US20030214461A9 - Display panel filter for connection to a display panel - Google Patents
Display panel filter for connection to a display panel Download PDFInfo
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- US20030214461A9 US20030214461A9 US09/950,159 US95015901A US2003214461A9 US 20030214461 A9 US20030214461 A9 US 20030214461A9 US 95015901 A US95015901 A US 95015901A US 2003214461 A9 US2003214461 A9 US 2003214461A9
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- filter
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3639—Multilayers containing at least two functional metal layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10073—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising at least two glass sheets, neither of which being an outer layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10825—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
- B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3618—Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3642—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating containing a metal layer
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3644—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3652—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the coating stack containing at least one sacrificial layer to protect the metal from oxidation
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3668—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties
- C03C17/3676—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties specially adapted for use as electromagnetic shield
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
- G02B1/116—Multilayers including electrically conducting layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/896—Anti-reflection means, e.g. eliminating glare due to ambient light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/204—Di-electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/02—Noble metals
- B32B2311/08—Silver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/204—Plasma displays
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/365—Coating different sides of a glass substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/446—Electromagnetic shielding means; Antistatic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Glass Compositions (AREA)
- Filtering Materials (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention provides a device in the form of a filter which is useable in conjunction with a plasma display panel, which is applied to the front face of a display, and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement ratios, to reduce EMI emissions to levels which comply with consumer safety regulations and with military and aircraft standards and to reduce infrared transmission in the 800 nm-1000 nm range to a level which does not interfere with IR remote control operation. The present invention also relates to a method of making such a plasma display panel filter and device.
Description
- This application claims the benefit of Provisional Application Serial No. 60/116,562 filed Jan. 21, 1999.
- The present invention relates generally to a display panel filter, and more particularly to a filter having particular application for use with a plasma display panel or flat panel display. The present invention also relates to an IR/EMI filter film applied to a substrate for use in a display panel filter or otherwise and a method of making such a film and a display panel filter. The invention also relates to applying the display panel filter directly to a display panel and laminating the optical film between a pair of substrates in which one is a thin plastic film such as PET or other optical film.
- Visual display panels commonly known as plasma display panels or flat panel displays have been recently introduced for the purpose of displaying visual images or information on relatively large, flat screens. Plasma display panel technology utilizes selectively energized gas ions to bombard phosphors on a display screen, similar to an electron beam bombarding phosphors on a cathode ray tube (CRT) screen. Plasma display panels are similar to CRT displays in that both provide a means for visually displaying information or images from an input signal; however, important differences exist. First, a CRT display requires a significant depth dimension relative to the size of its display screen to accommodate a generally funnel shaped rearward portion for generation and deflection of the electron beam. Second, most CRT screens are curved. In contrast, the energization of the ions in a display panel using plasma display technology occurs in a relatively thin vacuum chamber adjacent to the display screen, resulting in a relatively thin display panel with a flat view face. Thus, plasma display panels are currently used primarily for relatively large display panels where CRTs are impractical or where a display panel with a significantly reduced depth dimension is necessary or desirable.
- Although plasma display panels provide significant advantages and improvements by facilitating relatively large visual displays with a reduced panel depth and by otherwise facilitating the use of displays in environments with space restrictions which preclude the use of conventional CRT displays, new problems have arisen. These problems relate to the quality of the visual display, increased infrared (IR) and electromagnetic interference (EMI) emissions, low contrast ratio and consumer safety issues. For example, photopic reflection from many plasma display panels is in excess of 15%. This adversely affects the quality of the display. Further, operation of the plasma display panel produces or has the potential of producing infrared (IR) emissions which are capable in some cases of interfering with a remote control of the panel or other devices utilizing infrared signaling. Still further, operation of the plasma display panel results in the generation and emission of electromagnetic interference (EMI). Accordingly, many plasma panel displays fail to meet governmental TCO and FCC requirements for EMI emissions and the stricter standards for various military, aircraft and other uses. The above problems necessary limit the applicability and desirability of using plasma display panels.
- Accordingly, there is a critical need in the art for a device or a filter, and in particular a multi-layer filter film, useable in conjunction with plasma display panels for addressing and solving the above problems and limitations. A need also exists for a method of making such a device, filter or film.
- To satisfy the need in the art, the present invention provides a device in the form of a single filter which is useable in conjunction with plasma display panels or other applications and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement, to maintain transmission integrity, to assist in reducing EMI emissions to levels which comply not only with consumer safety regulations, but preferably with various stricter standards, and to reduce infrared emissions in the 800 nm-1000 nm range to a level which does not interfere with remote control operation.
- Generally, the present invention comprises a substrate with a filter film (preferably an optical IR/EMI shielding film) applied thereto for use in a display panel filter. One embodiment of a filter device in accordance with the invention includes a filter film comprised of one or more conductive layers and one or more dielectric layers applied to a substrate which is then laminated to a second substrate. This second substrate may comprise a piece of transparent glass, plastic or other material, a thin flexible film such as PET or other optically clear film or the front face of the display device itself. The combination of the conductive and dielectric layers functions to provide the desired EMI and IR shielding and assists in reducing reflection and increasing contrast enhancement. This combination of layers may be provided as a single film containing both conductive and dielectric layers. Because lamination of the substrates necessarily requires use of an adhesive or other bonding agent and exposure of the same to at least one surface of the shielding film or filter, a layer of silicon dioxide (SiO2) or other material may be applied to the filter or film, if desired, to improve compatibility with and/or limit possible reactions between the outer layer of the filter or film and the adhesive. The outer surfaces of one or both substrates is also preferably an anti-reflective (AR) coating. The filter further includes an electrical connection member electrically connected to conductive layers within the EMI/IR shielding film. Grounding means is also provided in the form of an electrical wire or the like for electrically connecting the electrical connection member to a grounded terminal. Other means, however, may also be utilized.
- The preferred embodiment of the shielding film comprises one or more layers of a conductive material and one or more alternating layers of a dielectric. The conductive material may include various conductive metals or other materials such as silver, copper, gold and indium tin oxide, among others, although silver metal is preferred. The dielectric may include various materials such as niobium pentoxide, titanium dioxide and tin oxide, among others, although niobium pentoxide is preferred. Additionally, a thin protective layer is provided between adjacent conductive/dielectric layers to eliminate or limit undesirable oxidation or other deterioration of the conductive layer during formation of the film or otherwise. Such a protective layer is desirable when the conductive layer is subject to oxidation or other deterioration and/or the manufacturing conditions result in the film being exposed to high temperatures. Such conditions exist when the film is manufactured using sputtering or various other thin film deposition techniques, particularly for multiple layer films of two or more conductive material layers. In some cases, the protective layer is comprised of two or more layers of different materials.
- In the preferred embodiment, the transparent substrates comprise view side and panel side substrates with the panel side substrate being the substrate closest to, or adjacent to, the display screen. Similarly, each of the substrates includes a view side facing away from the display screen and a panel side facing the display screen. In one embodiment, the EMI/IR shielding film or filter is applied directly to one side of one of the substrates and is then laminated to a second substrate by a urethane or other adhesive with the optical shielding film positioned therebetween. The laminated substrates are then mounted in front of a display with the first substrate preferably adjacent to the display. This embodiment further includes an environmental degradation barrier for the conductive layers within the EMI/IR shielding layer. This barrier extends around the edge of the laminated filter and is constructed of a conductive material. This barrier is electrically connected both with the electrical connection member or busbar and with a grounding terminal.
- In a further embodiment, the EMI/IR shielding film or filter is applied to the panel side of the view side substrate (the substrate furthest from the display). Subsequently, such substrate, with the film applied thereto, is laminated onto, or otherwise applied directly to, the front face of the display with the optical film positioned therebetween.
- In a still further embodiment, the optical film is applied to a first substrate, with a second substrate in the form of a thin transparent plastic film such as, but not limited to, polyethyleneterephthalate (PET) laminated to the first substrate with a thickness preferably less than about 0.06 inches (60 mils). Subsequently, the laminated structure is applied directly to, or mounted in front of, the front face of a display unit.
- One aspect of the method of the present invention relates to a method of making a film or filter of the type described above for use in conjunction with a plasma display panel. Such method generally includes providing a transparent substrate, applying an EMI/IR shielding film or filter to such substrate and then laminating such substrate to a second substrate. A further aspect of the method is to apply such substrate, with the film thereon, directly to the front face of the flat panel or other display. A still further aspect of the method is to laminate a coated substrate to a second substrate comprised of a plastic film such as PET and then applying it to, or mounting it in front of, a display unit.
- Accordingly, an object of present invention is to provide a film or filter for use in conjunction with a plasma display panel.
- Another object of the present invention is to provide a plasma display panel filter which provides anti-reflective, EMI shielding, contrast enhancement and infrared shielding capabilities and which also complies with consumer safety requirements.
- A further object of the present invention is to provide a plasma display panel filter having one or more conductive layers and one or more dielectric layers formed on a transparent substrate for subsequent lamination to a second substrate.
- A still further object of the present invention is to provide a plasma display panel filter with an improved film providing both EMI and IR shielding capabilities.
- A further object of the present invention is to provide a plasma display panel filter with an improved means for electrically connecting the EMI shielding layer to a grounding terminal.
- A still further object of the present invention is to provide a plasma display panel fiter with an electrically conductive material around the edge of the filter to prevent environmental degradation of the EMI shielding layer and to maximize the EMI shielding efficiency of such layer.
- A still further object of the present invention is to provide a plasma display panel as described above which includes a layer to prevent or minimize possible reactions between the lamination adhesive and the shielding film and/or to improve compatibility with the adhesive and promote the adhesive strength.
- Another object of the present invention is to provide a substrate with an optical EMI/IR shielding film thereon which is applied directly to the front face of a display or display panel.
- A still further object of the present invention is to provide an optical filter comprised of an optical film laminated between a first substrate and a second substrate comprised of a plastic film such as PET.
- Another object of the present invention is to provide a method of making a film and plasma display panel filter of the type described above.
- A still further object of the present invention is a method of making a substrate with an EMI/IR shielding film as described above and applying the same directly to the front face of a display.
- These and other objects of the present invention will become apparent with reference to the drawings, the description of the preferred embodiment and method and the appended claims.
- FIG. 1 is an isometric, exploded view of a plasma display panel and associated filter in accordance with the present invention.
- FIG. 2 is an enlarged view, partially in section, of one embodiment of a plasma display panel filter as viewed along the section line2-2 of FIG. 1.
- FIG. 3 is a schematic sectional view of the EMI/IR shielding film in accordance with the present invention.
- FIG. 4 is a view similar to that of FIG. 2 of a further plasma display panel filter.
- FIG. 5 is an enlarged view, partially in section, and similar to that of FIG. 2, of a further embodiment of a plasma display panel filter.
- FIG. 6 is a schematic sectional view of a further embodiment of the shielding film in accordance with the present invention.
- FIG. 7 is a view showing application of a coated substrate directly to the front face of a display.
- FIG. 8 is a view showing lamination of a coated substrate to a second substrate comprised of a plastic film.
- The present invention relates to a plasma display panel filter, or shielding film for use therein, which functions to provide EMI and IR shielding capabilities. Preferably the filter also provides anti-reflective (AR) capability. Various features of the present invention have possible application other than for display panel filters. However, the description of the preferred embodiment will be for use in a plasma display panel filter.
- Reference is first made to FIG. 1 illustrating an exploded, isometric view of a
plasma display panel 10 and associatedfilter 14 in accordance with the present invention. Thedisplay panel 10 as illustrated in FIG. 1 in accordance with the preferred embodiment is a generally rectangular configured device having a front viewing or display screen 11 and a recessedarea 12 for receiving adisplay panel filter 14. It should be understood, however, that the possible relationships between a plasma display panel and a filter in accordance with the present invention is not limited to the embodiment disclosed in FIG. 1. If desired, thedisplay panel 10 can be assembled with thefilter 14 being an integral part of thepanel 10. Alternatively, thepanel 10 andfilter 14 can be separate, stand alone items which are purchased separately. In such case, means may be provided for suspending thefilter 14 from a portion of thepanel 10 or connecting thefilter 14 to thepanel 10 so that thefilter 14 is directly in front of and substantially adjacent to the display screen 11. It is also contemplated that the filter can be bonded or laminated directly to the display screen 11, if desired. - With continuing reference to FIG. 1, the
filter 14 of the preferred embodiment includes a generally flat,planer filter lamination 15 having aview side 16 facing away from the display screen 11 and anopposite panel side 17 facing the display screen 11. Thefilter 14 further includes an electricallyconductive element 18 in the form of a strip of conductive material applied to the peripheral edge of thefilter lamination 15. As illustrated in FIG. 1, the electricallyconductive material 18 of the preferred embodiment extends around the periphery of thelamination 15 and for a limited distance inwardly on both theview side 16 and thepanel side 17. As will be described in greater detail below, theconductive element 18 functions in conjunction with electrically conductive layers within thelamination 15 to provide EMI and other shielding capability to the filter. Grounding means comprised of one or more grounding clips 19 with anelectrical lead 20, or some other means, is commonly electrically connected with theconductor 18 for electrically connecting theconductor 18 to aground terminal 21. - Reference is next made to FIG. 2 which is a partial sectional view of the
filter lamination 15 as viewed along the section line 2-2 of FIG. 1. In general, thefilter lamination 15 includes a pair oftransparent substrates substrate 22 is the view side substrate and thesubstrate 24 is the panel side substrate. Each of thesubstrates anti-reflective coating IR shielding film 27 comprised of a combination of dielectric and conductive layers is applied to the view side of thepanel side substrate 24 and between thesubstrate film 27 is thus laminated between thesubstrates lamination layer 30 after being applied to thesubstrate 24 by sputtering. - In the preferred embodiment, the
transparent substrates transparent substrates substrates substrates - The
anti-reflective coating 25 applied to the view side of thesubstrate 22, is similar to theanti-reflective coating 26 applied to the panel side of thesubstrate 24, and can be any anti-reflective coating known in the art. Preferably, theanti-reflective coatings substrates view side 16 andpanel side 17 of thefilter 15 to an acceptable level. In a structure incorporating the filter of the present invention, the photopic reflection normally exhibited by the display screen 11 (FIG. 1) is significantly reduced in some embodiments by as much as a factor of 10 or more, from a reflection of over 15% to a reflection of about 4 or 5% to 1.0% or less. - The specific structure of the
anti-reflective coatings - The
film 27 is comprised of a combination of dielectric and conductive layers and is primarily designed to reduce the EMI and IR emissions to acceptable levels, while at the same time minimizing any adverse affect on the transmission of visible light through the filter. Thefilm 27 is transparent and each of its dielectric and conductive layers is transparent. In the preferred embodiment, thefilm 27 is applied to the view side of thepanel substrate 24 by sputtering or reactive sputtering and comprises a series of dielectric layers separated by layers of an electrically conductive material. Specifically, thefilm 27 includes fourdielectric layers conductive layers - With reference to FIG. 3, the
layers layers film 27 structures, layers 52, 56 and 60 of a further metal or other material are added adjacent to theconductive layers dielectric layers - The electrically
conductive layers conductive layers conductive layers layers layers - The dielectric layers50, 54, 58 and 61 are high refractive index materials and function primarily to reduce reflectivity, and thus improve transmission of visible light in the regions of about 380 nm to 800 nm. In the preferred embodiment, the dielectric material of the
layers - The outer
dielectric layers outer layers - In some structures where the
film 27 is formed by sputtering or reactive sputtering, the various film layers and the conductive material is reactive to one or more of the materials making up the adjacent layer. In such cases, it is necessary to first provide a thin protective or sacrificial material layer next to the conductive material layer to prevent its oxidation or other reaction to the reactive materials of the dielectric layers. In the embodiment of FIG. 3, thelayers titanium layer conductive layer protective layers - The preferred embodiment of the
film 27 is a seven layer film comprising three conductive material layers and four dielectric material layers. It is contemplated, however, that films with different total layers can also be utilized. Preferably, however, the number of dielectric layers should exceed the number of conductive layers by one. Thus, where n equals the number of conductive layers, the number of dielectric layers is preferably n+1. - Accordingly, the
film 27 of FIG. 2 comprises a plurality of conductive and dielectric layers including a pair of end dielectric layers and alternating conductive and inner dielectric layers disposed therebetween. The end dielectric layers have an optical thickness of between about 0.4 to 0.8 and preferably 0.6 at a wavelength of about 450 nm to 650 nm, the inner dielectric layers have an optical thickness of about 0.7 to 1.5 at a wavelength of about 450 nm to 650 nm and the conductive layers have a physical thickness of about 5 nm to 15 nm. - In the embodiment of FIG. 2, the
film 27 is applied by sputtering the various film layers to the view side of the panel side orfilm carrying substrate 24, with thelayer 50 sputtered first and then followed by thelayer 51, thelayer 52 and sequentially by thelayers film carrying substrate 24 is then laminated to thesubstrate 22 via the adhesive orlamination layer 30, with thefilm 27 facing thesubstrate 22. Thelamination material 30 in the preferred embodiment comprises a sheet of polyurethane adhesive. As shown, theadhesive sheet 30 is positioned between thefilm 27 and the panel side of thesubstrate 22. Many adhesives or laminations such as PVB, acrylic and/or others can, of course, be used to laminate thesubstrates layer 30 is positioned between thesubstrates - A further embodiment of the filter in accordance with the present invention is shown in FIG. 6. FIG. 6 is similar to the embodiment of FIG. 3 except that it illustrates a modified
film 27′. Thefilm 27′ of FIG. 6 differs from thefilm 27 of FIG. 3 in two respects: First, thefilm 27′ includes additional protective orsacrificial layers layers additional layer 57 is applied over theouter dielectric layer 61 so that when the substrates are laminated together, thelayer 57 is positioned between thedielectric layer 61 and the adhesive 30. - As discussed above with respect to the embodiment of FIG. 3, the protective or
sacrificial layers dielectric layers - To prevent, or at least minimize, the disadvantages associated with adjacent layers of titanium and niobium pentoxide as described above, and to thereby facilitate the use of both titanium and niobium in the filter of the present invention, a thin layer of a further
protective material layers layers layers - For the same reasons as discussed above, niobium pentoxide is the preferred dielectric for the
layers outer dielectric layer 61. Despite being preferred, however, strength of adhesion between the niobium pentoxideouter layer 61 and many of the adhesives is less than desired. To overcome these limitations, the embodiment of FIG. 6 provides athin layer 57 of silicon dioxide (SiO2) or other adhesive compatible layer on the outer surface of theouter dielectric layer 61 so that when thesubstrates layer 57 is positioned between thelayer 61 and the adhesive 30. - This
additional layer 57 improves the adhesive bond between thecoated substrate 24 and thesubstrate 22 and thus acts as an adhesion promoter and also limits any possible reaction between the dielectric and the adhesive. Preferably this layer is silicon dioxide or some other silicon based composition. However, other materials or compositions will work as well. Thelayer 57 is preferably about 2 nm to 50 nm thick and more preferably about 10 nm to 30 nm thick. - Both the
film 27 of FIGS. 2 and 4 and thefilm 27′ of FIG. 6 provide sufficient sheet resistance to reduce EMI emissions to acceptable levels. Preferably, thefilms films - During assembly of the
filter lamination 15, abusbar 32 is applied to the outer peripheral edge portion of thesubstrate 24. Preferably this busbar includes afirst leg 34 electrically contacting thefilm 27 and extending inwardly from the outer peripheral edge of thesubstrate 24, asecond leg 36 applied over theanti-reflective coating 26 and also extending inwardly from the outer peripheral edge of thesubstrate 24 and athird leg 35 electrically connected with thelegs substrate 24. If desired, thelegs - In the preferred embodiment, the
legs substrate 24 for a distance of at least 1.0 mm and preferably a distance greater than or about 2.0 mm. Further, thebusbar 32 in accordance with the present invention preferably extends around the entire periphery of thesubstrate 24 and thus thefilm 27. It is contemplated that thebusbar 32 can be applied in a variety of ways. In the preferred embodiment, however, thebusbar 32 is a solder based, electrically conductive material applied via ultrasonic soldering. - Following application of the
busbar 32 to the peripheral edge portion of thesubstrate 24, a conductive environmentaldegradation barrier member 38 in the form of electromagnetic shielding tape is applied over theleg portion 35 of thebusbar 32. Themember 38 is applied to the outer or panel side of theanti-reflective coating 26 along the outer peripheral edge ofsuch coating 26. Themember 38 extends inwardly a limited distance from the outermost peripheral edge of thecoating 26. This limited distance is greater than 5 nm and preferably equal to or greater than about 9 nm. If desired, thebarrier member 38 can be applied to all threelegs buss bar 32. Themember 38 is preferably applied to and connected withleg 35 of thebusbar 32 by an electrically conductive adhesive. Accordingly, themember 38 serves the primary function of making an electrical connection with thebusbar 32 via the electrically conductive adhesive. - Grounding means is also provided for electrically connecting the
member 38, and thus thebusbar 32 and theconductive layers grounding terminal 21. In one embodiment as shown in FIGS. 1, 2, 4 and 5, this means is in the form of agrounding clip 19 having afirst leg 42 engaging themember 38, asecond leg 45 with aspring contact member 46 for making electrical contact with thecoating 25 of thesubstrate 22, and athird leg 44 joining thelegs electrical lead 20 has one end connected to theconnector clip 19 and a second end connected with the groundingterminal 21. Other means can of course also be provided for making this electrical grounding connection. - FIG. 4 shows an alternate embodiment for connecting the
busbar 32 to thefilm 27 and connecting the member ortape 38 to thebusbar 32. As shown in FIG. 4, the busbar is comprised only of theleg 34, with thelegs leg 41 of thetape 38 is provided directly over thebusbar leg 34, with thelegs tape 38 covering the end and a portion of the face, respectively, of thesubstrate 24. In his embodiment, both the busbar and the tape would be applied to thesubstrate 24 before lamination to thesubstrate 22. - FIG. 7 illustrates a further embodiment in accordance with the present invention. In the embodiment of FIG. 7, the substrate to which the EMI/IR film has been applied is bonded or otherwise applied directly to the front face of a flat panel or other display. This has several advantages. First, it eliminates an additional substrate layer and thus surface reflection from such layer. This accordingly improves the optical performance of the display. Secondly, direct bonding of the coated substrate to the front face of the display eliminates the need for any mounting mechanism for a separate filter such as that illustrated in FIG. 1. Thirdly, applying the coated substrate directly to the front face of the display results in a lighter and less complex display unit.
- With reference to FIG. 7, the display is illustrated generally by the
reference character 65 and includes an outer frame 66 and afront face substrate 68. The coated substrate to be applied to thefront face substrate 68 includes asubstrate 69 preferably constructed of glass or transparent plastic. Thissubstrate 69, in the embodiment of FIG. 7, is considered to be the view side substrate with thesubstrate 68 of thedisplay 65 being considered the panel side substrate. In the embodiment of FIG. 7, theoptical shielding film 70 is applied to the panel side of theview side substrate 69. Thisfilm 70, in the preferred embodiment, comprises thefilm 27 of FIG. 3 or thefilm 27′ of FIG. 6 as described above. If desired, anAR coating 71 can also be applied to the view side of theview side substrate 69. Thesubstrate 69, with thefilm 70 and the coating 71 (if desired) applied thereon is laminated or otherwise bonded to the front surface of thedisplay substrate 68. To facilitate this, anadhesive sheet 72 is positioned between thecoated substrate 69 and thefront face substrate 68 to bond the substrates together. Theadhesive sheet 72 can comprise a polyurethane adhesive, PVB, acrylic or any other materials commonly used as adhesives in such an application. - FIG. 8 illustrates a further embodiment in accordance with the present invention. In the embodiment of FIG. 8, the
substrate 69 to which the optical EMI/IR shielding film 70 has been applied is laminated to a second substrate 73 comprised of a thin plastic film such as PET with a thickness less than 0.06 inches (60 mils), more preferably less than about 0.025 inches (25 mils) and most preferably less than about 0.015 inches (15 mils). While the preferred film substrate 73 is PET, other films such as polycarbonates, acrylics and others may also be used. Materials suitable for use as the film substrate 73 should preferably be optically clear so as to not adversely affect light transmission. This entire filter structure is then mounted in front of a display unit as shown in FIG. 1, or bonded or otherwise applied directly to the front face of a flat panel or other display. - With specific reference to FIG. 8, the display is illustrated generally by the
reference character 65 and includes an outer frame 66 and afront face substrate 68. Thecoated substrate 69 is preferably constructed of glass or transparent plastic and, in the embodiment of FIG. 8, is considered to be the view side substrate. In the embodiment of FIG. 8, theoptical shielding film 70 is applied to the panel side of theview side substrate 69 via sputtering or the like. The second substrate 73 in the form of a thin plastic film such as PET as described above is then laminated or otherwise applied to thesubstrate 69 with theoptical film 70 positioned therebetween. - In one embodiment, this filter structure comprised of the
substrates 69 and 73 with thefilm 70 positioned therebetween is then mounted in front of thedisplay 65 anddisplay substrate 68 such as is shown in FIG. 1. In this embodiment, an anti-reflective (AR) coating 71 can be applied to the view side of thesubstrate 69 and anAR coating 74 can be applied to the panel side of the substrate 73 as shown in FIG. 8. If an AR coating is to be applied to the film substrate 73 by a technique such as sputtering, it is preferable to first apply an abrasion resistant coating or hard coat to the substrate 73 to facilitate adherence of the sputtered AR coating. Such abrasion resistant coatings are known in the art and can include thermally cured siloxane based coatings and UV cured acrylic based coatings, among others. - In a further embodiment, the filter comprised of the
substrates 69 and 73 with thefilm 70 therebetween may be bonded or otherwise applied directly to the front face of thedisplay substrate 68. This bonding can be accomplished, if desired, with the use of anadhesive sheet 72 positioned between the PET substrate 73 and thefront face substrate 68 as shown. In this further embodiment, theAR coating 74 may be eliminated. - The method aspect of the present invention, including the method of forming the filter film on a first substrate and subsequently laminating the same to a second substrate can be understood as follows. First, a transparent substrate preferably of glass or plastic is provided. If desired, the non-coated side surface of such substrate can be provided with an anti-reflective coating by sputtering or other deposition technologies. In some cases this ultimately may be the view side, while in other cases it may ultimately be the panel side.
- Following this, the film27 (FIG. 3) or the
film 27′ (FIG. 6) comprised of the plurality of dielectric and conductive layers is applied to the side of the substrate opposite to the anti-reflective coating. If no anti-reflective coating is applied, thefilm film film busbar 32 is applied to the entire peripheral edge portion of the film coatedsubstrate 24. Preferably the legs of the busbar are applied in stages with theleg 34 first applied to the outer edges of thefilm leg 35 applied to the outer peripheral edge of thesubstrate 24. In the embodiment of FIG. 4, the busbar is applied only in the form of theleg 34 and the tape ormember 38 is then applied to the substrate. - The film coated substrate is then preferably laminated to a
second substrate 22 which may also be provided with an AR coating, either before or after lamination. The lamination is preferably accomplished by positioning theadhesive sheet 30 between the side of thesubstrate 22 opposite theAR coating 25 and the side of thesubstrate 24 carrying thefilm substrate 24 can be applied to a plastic film such as PET film or directly to the front face of a display device. - When the lamination is complete, the conductive member or
tape 38 is applied to the outer peripheral edge portions of thefilter 15 as illustrated in FIG. 2. The grounding clip or other grounding means 19 is then applied to themember 38 as shown. - In the embodiment of FIG. 5, the EMI/IR filter is provided by the
layers material layer 28 is applied to the panel or inner side of thesubstrate 22 to reduce and limit EMI emissions and an infrared absorbinglayer 29 is laminated between thesubstrates - In the embodiment of FIG. 5, the electrically
conductive material layer 28 is applied to the panel side of thesubstrate 22 as shown. Although thislayer 28 can be constructed of a variety of materials, it must preferably include an electrically conductive component or layer which provides sufficient electrical conductivity, and thus sufficiently low electrical resistance, while still maintaining acceptable visible light transmission. Preferably, theconductive layer 28 exhibits sheet resistance of less than 5 ohms per square and more preferably less than 1.5 ohms per square. Thelayer 28 provides electromagnetic interference (EMD shielding and assists in reducing EMI emissions to levels which comply with consumer safety and other regulations and standards. Thelayer 28 also provides an IR shielding function as well to assist in reducing infrared emissions to acceptable levels. Preferably theconductive layer 28 extends over the entire panel side of thesubstrate 22. Thislayer 28 can, if desired, comprise a single layer of an electrically conductive material such as silver or indium tin oxide (ITO) and can also comprise additional layers and materials such as other metals and materials which may be conductive as well as dielectrics and materials which may not be conductive. Such additional layers and materials can be provided to assist in infrared shielding and reduction of reflection as well as to provide contrast enhancement to the filter. This may be accomplished by introducing color or tint into the coating. - The
layer 28 in the present invention can be applied to thesubstrate 22 by any known means. Preferably, however, the layer or layers which form the electricallyconductive material layer 28 is applied by sputtering or reactive sputtering one or more metals such as silver, gold or copper. The thickness of thelayer 28 should preferably be in the range of less than 2500 Å and most preferably in the range of 2000-2500 Å. - The
layer 29 comprises an infrared absorbing film which is a separate, free-standing film and is sandwiched between, and laminated to, thesubstrates 22 an 24 by thelamination material infrared shielding film 29 can comprise any film which functions to provide near infrared absorbing capability such as dyed polyethylene terapthalate (PET) or dyed polyurethane. In the preferred embodiment, the film thickness ranges from 5-10 mils and further includes contrast enhancement capability. Thefilm 29 is effective to reduce the infrared transmission in the 800 nm-1000 nm range to a level preferably less than 20%. At these reduced levels, interference with infrared remote control transmitters either for the panel display in question or other remote control devices is eliminated. - The
lamination materials adhesive sheet 33 is positioned between thefilm 29 and thecoating 28, while the other polyurethaneadhesive sheet 31 is positioned between thefilm 29 and the view side of thesubstrate 24. Many adhesives or laminations such as PVB, acrylic and/or others can, of course, be used to laminate thefilm 29 between thecoated substrates layers substrates - Alternative methods of applying the
layer 29 may also be utilized. For example, a recently introduced technique involves positioning thecoated substrates - The method aspect of the present invention relating to the embodiment of FIG. 5, including the method of making the plasma display panel filter, can be understood as follows. First, a pair of transparent substrates such as glass or plastic are provided. One of these substrates will ultimately form the
view side substrate 22 positioned on the view side of the filter, while the other substrate will ultimately form thepanel side substrate 24. Both of thesesubstrates anti-reflective coatings - Following this, the EMI shielding layer in the form of the electrically
conductive coating 28 is also applied to the panel side of thesubstrate 22. Preferably, this coating is also applied by sputtering. Next, thebusbar 32 is applied to the entire peripheral edge portion of thesubstrate 22. Preferably the legs of the busbar are applied in stages with theleg 34 first applied to the outer edges of thecoating 28 and theleg 35 applied to the outer peripheral edge of thesubstrate 22. - The
infrared film 29 is then laminated between thecoated substrates adhesive sheet 33 between thefilm 29 and theconductive coating 28 of thesubstrate 22 and a secondadhesive lamination sheet 31 between the other side of thefilm 29 and the view side of thesubstrate 24. The entire lamination lay-up is then placed in an autoclave under appropriately elevated heat and pressure conditions to laminate the lay-up together. In one procedure, the lamination lay-up is exposed to a temperature of approximately 220° F. and a pressure of approximately 150 p.s.i. for about four hours. - When the lamination is complete, the
conductive member 38, comprised of thelegs filter 15 as illustrated in FIG. 5. Thegrounding clip 19 is then applied to themember 38 as shown. - With respect to the embodiment of FIG. 7, the
optical shielding film 70 is first applied to one side ofsubstrate 69. If desired, anAR coating 71 can also be applied to the other side of thesubstrate 69. If applied, thecoating 71 is preferably comprised of a plurality of individual layers which together provide thesubstrate 69 with anti-reflective properties. Next, thesubstrate 69 is bonded to the front face of thedisplay substrate 68 by anadhesive sheet 72 or some other bonding technique. Finally, electrical and/or grounding connections are made in a manner similar to that described above with respect to the other embodiments. - With respect to the embodiment of FIG. 8, the method involves applying an
optical shielding film 70 to one side of afirst substrate 69. If desired, anAR coating 71 can be applied to the other side of thesubstrate 69. Next, a second substrate 73 in the form of a thin plastic film such as PET or other optically clear film is laminated to thefirst substrate 69 with theoptical film 70 positioned therebetween. Next, the entire filter structure is mounted in front of adisplay 65 as shown in FIG. 1, or otherwise directly bonded to the front surface of thedisplay substrate 68 by anadhesive sheet 72 or some other bonding technique. If anAR coating 74 is to be applied to the film substrate 73, it is preferable to first apply an abrasion resistant coating. - Although the description of the preferred embodiment and method have been quite specific, it is contemplated that various modifications may be made without deviating from the—spirit of the present invention. For example, although the preferred embodiment has been described with respect to a plasma display device, certain features have broader applications. For example, the additional protective layer for the silver or other conductive material may have applications for other than display devices. In general, any application where oxidation or other deterioration of the conductive layer is a concern, can use this feature of the invention. Accordingly, it is intended that the scope of the present invention be dictated by the appended claims rather than by the description of the preferred embodiment and method.
Claims (20)
1. An optical display comprising:
a transparent first substrate having first and second sides; and
a multi-layer optical film applied to one of said first and second sides, said film comprising at least one electrically conductive layer, at least one dielectric layer and a protective layer positioned between said dielectric layer and said electrically conductive layer; and
a second substrate comprised of a thin plastic film with a thickness less than about 0.06 inches laminated to said first substrate with said optical film positioned therebetween.
2. The display of claim 1 wherein said plastic film is PET.
3. The display of claim 2 wherein said protective layer is comprised of first and second layers of protective material.
4. The display of claim 3 wherein said dielectric is comprised of niobium pentoxide.
5. The display of claim 4 wherein said first protective layer is oxidized titanium and said second layer comprises a material having a plasma energy level less than niobium pentoxide.
6. The optical filter of claim 5 wherein said second layer is tin oxide.
7. The optical filter of claim 6 wherein said oxidized titanium is adjacent to said electrically conductive layer and said tin oxide is adjacent to said dielectric layer.
8. The optical filter of claim 7 wherein said electrically conductive layer is silver.
9. The optical filter of claim 1 wherein said second substrate has a thickness of less than about 0.025 inches.
10. The optical film of claim 5 wherein said second protective material layer is one or more of tin oxide (SnO2), zinc oxide (ZnO2) and a silicon dioxide (SiO2).
11. The optical film of claim 10 wherein said oxidized titanium is adjacent to said electrically conductive layer and said second protective material is adjacent to said dielectric layer.
12. The optical film of claim 11 wherein said conductive material layer is silver.
13. The optical film of claim 12 including a plurality of electrically conductive layers and a plurality of dielectric layers alternating with said electrically conductive layers.
14. A method of making an optical filter comprising:
providing a transparent substrate having a first side and a second side;
applying a multi-layer optical film to one of said first and second sides of said transparent substrate, said film comprising at least one electrically conductive layer, at least one dielectric layer, and at least one protective layer between said electrically conductive layer and said dielectric layer; and
laminating a second substrate to said first substrate with said optical film positioned therebetween, said second substrate comprised of a thin plastic film with a thickness less than about 0.06 inches.
15. The method of claim 14 wherein said plastic film is PET.
16. The method of claim 15 wherein said protective layer comprises first and second layers.
17. The method of claim 16 wherein the application step includes applying an electrically conductive layer to said one side of said first transparent substrate or to a dielectric layer applied to said first substrate, applying said first layer to said electrically conductive layer, applying said second layer to said first layer and applying said dielectric layer to said second layer.
18. The method of claim 17 wherein said dielectric layer is niobium pentoxide, said first layer is titanium and said second layer is a material having a plasma energy level less than niobium pentoxide.
19. The method of claim 18 wherein said electrically conductive layer is silver and wherein said second layer is one or more of tin oxide (SnO2), zinc oxide (ZnO2) and silicon dioxide (SiO2).
20. The method of claim 14 including applying the optical filter to the front face of a display.
Priority Applications (1)
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US09/950,159 US20030214461A9 (en) | 1999-01-21 | 2001-09-10 | Display panel filter for connection to a display panel |
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US09/950,159 US20030214461A9 (en) | 1999-01-21 | 2001-09-10 | Display panel filter for connection to a display panel |
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US09/487,038 Expired - Fee Related US6490091B1 (en) | 1999-01-21 | 2000-01-19 | Display panel filter and method of making the same |
US09/950,159 Abandoned US20030214461A9 (en) | 1999-01-21 | 2001-09-10 | Display panel filter for connection to a display panel |
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US09/487,038 Expired - Fee Related US6490091B1 (en) | 1999-01-21 | 2000-01-19 | Display panel filter and method of making the same |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060244678A1 (en) * | 2005-04-29 | 2006-11-02 | Lg Electronics Inc | Filter for display apparatus and plasma display apparatus comprising filter |
US20110032234A1 (en) * | 2009-08-10 | 2011-02-10 | Samsung Electronics Co., Ltd. | Plasma display apparatus to reduce emi emission |
US20120182703A1 (en) * | 2011-01-14 | 2012-07-19 | Harris Corporation, Corporation Of The State Of Delaware | Method of making an electronic device having a liquid crystal polymer solder mask laminated to an interconnect layer stack and related devices |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6353501B1 (en) * | 1999-01-21 | 2002-03-05 | Viratec Thin Films, Inc. | Display panel filter connection to a display panel |
JP3510845B2 (en) | 2000-08-29 | 2004-03-29 | Hoya株式会社 | Optical member having antireflection film |
CA2355021C (en) | 2000-08-29 | 2004-11-02 | Hoya Corporation | Optical element having antireflection film |
MXPA02009426A (en) | 2001-02-08 | 2003-10-06 | Cardinal Cg Co | Edge treatments for coated substrates. |
EP1372369A4 (en) * | 2001-03-02 | 2007-08-15 | Hitachi Chemical Co Ltd | Electromagnetic shield film, electromagnetic shield unit and display |
US6841813B2 (en) * | 2001-08-13 | 2005-01-11 | Matrix Semiconductor, Inc. | TFT mask ROM and method for making same |
KR100507842B1 (en) * | 2002-01-11 | 2005-08-17 | 에스케이씨 주식회사 | A front optical filter for a plasma display panel |
US7405872B2 (en) * | 2003-05-28 | 2008-07-29 | Astic Signals Defenses Llc | System and method for filtering electromagnetic transmissions |
AU2003234300A1 (en) * | 2002-05-28 | 2003-12-19 | Deron Simpson | A system and methods for filtering electromagnetic visual, and minimizing acoustic transmissions |
SE523348C2 (en) * | 2002-08-15 | 2004-04-13 | Totalfoersvarets Forskningsins | Transparent box with radar reflective properties |
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CN101854794A (en) * | 2003-08-25 | 2010-10-06 | 旭硝子株式会社 | Electromagnetic shielding multilayer body and display using same |
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FR2862961B1 (en) * | 2003-11-28 | 2006-02-17 | Saint Gobain | TRANSPARENT SUBSTRATE USED ALTERNATELY OR CUMULATIVELY FOR THERMAL CONTROL, ELECTROMAGNETIC SHIELDING AND HEATED GLAZING. |
US7323217B2 (en) * | 2004-01-08 | 2008-01-29 | Qualcomm Mems Technologies, Inc. | Method for making an optical interference type reflective panel |
KR100827401B1 (en) * | 2004-10-18 | 2008-05-06 | 삼성코닝정밀유리 주식회사 | EMI Filter, method for fabricating the same and the apparatus employing the same |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5153054A (en) * | 1989-01-05 | 1992-10-06 | Glaverbel | Coated glazing material |
US5450238A (en) * | 1993-12-10 | 1995-09-12 | Viratec Thin Films, Inc. | Four-layer antireflection coating for deposition in in-like DC sputtering apparatus |
US5579162A (en) * | 1994-10-31 | 1996-11-26 | Viratec Thin Films, Inc. | Antireflection coating for a temperature sensitive substrate |
US5719705A (en) * | 1995-06-07 | 1998-02-17 | Sola International, Inc. | Anti-static anti-reflection coating |
US5993950A (en) * | 1996-07-25 | 1999-11-30 | Glaverbel | Metal coated substrates |
US6090473A (en) * | 1997-06-24 | 2000-07-18 | Bridgestone Corporation | Electromagnetic-wave shielding and light transmitting plate |
US6090481A (en) * | 1996-03-26 | 2000-07-18 | Glaverbel | Coated substrate for transparent assembly with high selectivity |
US6104530A (en) * | 1996-05-28 | 2000-08-15 | Mitsui Chemicals, Inc. | Transparent laminates and optical filters for displays using same |
US6287675B1 (en) * | 1993-08-12 | 2001-09-11 | Saint-Gobain Vitrage | Transparent substrate provided with a stack of thin layers |
US6469685B1 (en) * | 1997-06-25 | 2002-10-22 | Viratec Thin Films, Inc. | Display panel filter and method of making the same |
US6490091B1 (en) * | 1999-01-21 | 2002-12-03 | Viratec Thin Films, Inc. | Display panel filter and method of making the same |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3977905A (en) * | 1973-02-13 | 1976-08-31 | Communications Satellite Corporation (Comsat) | Solar cell with niobium pentoxide anti-reflective coating |
US4412255A (en) | 1981-02-23 | 1983-10-25 | Optical Coating Laboratory, Inc. | Transparent electromagnetic shield and method of manufacturing |
NO157212C (en) | 1982-09-21 | 1988-02-10 | Pilkington Brothers Plc | PROCEDURE FOR THE PREPARATION OF LOW EMISSION PATIENTS. |
US4710669A (en) | 1985-12-19 | 1987-12-01 | Zenith Electronics Corporation | Internal electrical connector for a tension mask tube |
US4799745A (en) | 1986-06-30 | 1989-01-24 | Southwall Technologies, Inc. | Heat reflecting composite films and glazing products containing the same |
GB8713437D0 (en) | 1987-06-09 | 1987-07-15 | Pilkington Brothers Plc | Shielding panel |
US4910090A (en) | 1987-10-21 | 1990-03-20 | Southwall Technologies, Inc. | EMI/RFI shield for visual display terminals |
GB8900166D0 (en) | 1989-01-05 | 1989-03-01 | Glaverbel | Glass coating |
GB8918859D0 (en) | 1989-08-18 | 1989-09-27 | Pilkington Plc | Electromagnetic shielding panel |
US5377045A (en) | 1990-05-10 | 1994-12-27 | The Boc Group, Inc. | Durable low-emissivity solar control thin film coating |
US5183700A (en) | 1990-08-10 | 1993-02-02 | Viratec Thin Films, Inc. | Solar control properties in low emissivity coatings |
CA2067765A1 (en) | 1990-08-30 | 1992-03-01 | Eric R. Dickey | Dc reactively sputtered optical coatings including niobium oxide |
US5106671A (en) | 1990-12-10 | 1992-04-21 | Ford Motor Company | Transparent anti-reflective coating |
JP3355654B2 (en) | 1992-04-06 | 2002-12-09 | 松下電器産業株式会社 | Image display device and method of manufacturing the same |
US5486847A (en) | 1992-12-21 | 1996-01-23 | Ncr Corporation | Apparatus for a stylus input system for shielding RFI/EMI fields |
FR2710333B1 (en) | 1993-09-23 | 1995-11-10 | Saint Gobain Vitrage Int | Transparent substrate provided with a stack of thin layers acting on solar and / or infrared radiation. |
US5398046A (en) | 1993-10-01 | 1995-03-14 | Litton Systems, Inc. | Faceplate for an interactive display terminal |
DE4407502A1 (en) * | 1994-03-07 | 1995-09-14 | Leybold Ag | Multi-layer coating |
DE69503896T3 (en) * | 1994-05-03 | 2005-10-27 | Cardinal Cg Co., Eden Prairie | TRANSPARENT ITEM WITH SILICONE NITRIDE PROTECTIVE LAYER |
FR2728559B1 (en) * | 1994-12-23 | 1997-01-31 | Saint Gobain Vitrage | GLASS SUBSTRATES COATED WITH A STACK OF THIN LAYERS WITH INFRARED REFLECTION PROPERTIES AND / OR IN THE FIELD OF SOLAR RADIATION |
JP3520627B2 (en) | 1995-09-14 | 2004-04-19 | ソニー株式会社 | Anti-reflection member, method of manufacturing the same, and cathode ray tube |
US5804102A (en) | 1995-12-22 | 1998-09-08 | Mitsui Chemicals, Inc. | Plasma display filter |
FR2755962B1 (en) * | 1996-11-21 | 1998-12-24 | Saint Gobain Vitrage | GLAZING COMPRISING A SUBSTRATE PROVIDED WITH A STACK OF THIN FILMS FOR SUN PROTECTION AND / OR THERMAL INSULATION |
US5811923A (en) | 1996-12-23 | 1998-09-22 | Optical Coating Laboratory, Inc. | Plasma display panel with infrared absorbing coating |
RU2121706C1 (en) | 1996-12-24 | 1998-11-10 | Вячеслав Владимирович Минин | Method for manual input of data to computer and device which implements said method |
JP2000167969A (en) * | 1998-12-07 | 2000-06-20 | Nitto Denko Corp | Transparent laminated body and plasma display panel filter employing the same |
EP1008872B1 (en) * | 1998-12-11 | 2004-09-29 | Nitto Denko Corporation | Transparent laminate and filter for plasma display panel using the transparent laminate |
-
2000
- 2000-01-19 US US09/487,121 patent/US6353501B1/en not_active Expired - Fee Related
- 2000-01-19 US US09/487,038 patent/US6490091B1/en not_active Expired - Fee Related
- 2000-01-20 CZ CZ20012666A patent/CZ20012666A3/en unknown
- 2000-01-20 DE DE60030838T patent/DE60030838D1/en not_active Expired - Lifetime
- 2000-01-20 WO PCT/US2000/001497 patent/WO2000043711A1/en not_active Application Discontinuation
- 2000-01-20 JP JP2000595090A patent/JP2002535713A/en active Pending
- 2000-01-20 AU AU28550/00A patent/AU2855000A/en not_active Abandoned
- 2000-01-20 AT AT00906978T patent/ATE340367T1/en not_active IP Right Cessation
- 2000-01-20 EP EP00906978A patent/EP1144908B1/en not_active Expired - Lifetime
-
2001
- 2001-09-10 US US09/950,159 patent/US20030214461A9/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5153054A (en) * | 1989-01-05 | 1992-10-06 | Glaverbel | Coated glazing material |
US6287675B1 (en) * | 1993-08-12 | 2001-09-11 | Saint-Gobain Vitrage | Transparent substrate provided with a stack of thin layers |
US5450238A (en) * | 1993-12-10 | 1995-09-12 | Viratec Thin Films, Inc. | Four-layer antireflection coating for deposition in in-like DC sputtering apparatus |
US5579162A (en) * | 1994-10-31 | 1996-11-26 | Viratec Thin Films, Inc. | Antireflection coating for a temperature sensitive substrate |
US5719705A (en) * | 1995-06-07 | 1998-02-17 | Sola International, Inc. | Anti-static anti-reflection coating |
US6090481A (en) * | 1996-03-26 | 2000-07-18 | Glaverbel | Coated substrate for transparent assembly with high selectivity |
US6104530A (en) * | 1996-05-28 | 2000-08-15 | Mitsui Chemicals, Inc. | Transparent laminates and optical filters for displays using same |
US5993950A (en) * | 1996-07-25 | 1999-11-30 | Glaverbel | Metal coated substrates |
US6090473A (en) * | 1997-06-24 | 2000-07-18 | Bridgestone Corporation | Electromagnetic-wave shielding and light transmitting plate |
US6469685B1 (en) * | 1997-06-25 | 2002-10-22 | Viratec Thin Films, Inc. | Display panel filter and method of making the same |
US6490091B1 (en) * | 1999-01-21 | 2002-12-03 | Viratec Thin Films, Inc. | Display panel filter and method of making the same |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060244678A1 (en) * | 2005-04-29 | 2006-11-02 | Lg Electronics Inc | Filter for display apparatus and plasma display apparatus comprising filter |
US20110032234A1 (en) * | 2009-08-10 | 2011-02-10 | Samsung Electronics Co., Ltd. | Plasma display apparatus to reduce emi emission |
CN101996568A (en) * | 2009-08-10 | 2011-03-30 | 三星电子株式会社 | Plasma display apparatus with reduced emi emission |
US20120182703A1 (en) * | 2011-01-14 | 2012-07-19 | Harris Corporation, Corporation Of The State Of Delaware | Method of making an electronic device having a liquid crystal polymer solder mask laminated to an interconnect layer stack and related devices |
US8693203B2 (en) * | 2011-01-14 | 2014-04-08 | Harris Corporation | Method of making an electronic device having a liquid crystal polymer solder mask laminated to an interconnect layer stack and related devices |
US9059317B2 (en) | 2011-01-14 | 2015-06-16 | Harris Corporation | Method of making an electronic device having a liquid crystal polymer solder mask laminated to an interconnect layer stack and related devices |
Also Published As
Publication number | Publication date |
---|---|
US6490091B1 (en) | 2002-12-03 |
EP1144908A1 (en) | 2001-10-17 |
AU2855000A (en) | 2000-08-07 |
DE60030838D1 (en) | 2006-11-02 |
US6353501B1 (en) | 2002-03-05 |
US20020075203A1 (en) | 2002-06-20 |
WO2000043711A1 (en) | 2000-07-27 |
WO2000043711A9 (en) | 2001-09-07 |
EP1144908B1 (en) | 2006-09-20 |
CZ20012666A3 (en) | 2002-04-17 |
JP2002535713A (en) | 2002-10-22 |
EP1144908A4 (en) | 2005-02-02 |
ATE340367T1 (en) | 2006-10-15 |
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Legal Events
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