CN105116587A - Liquid crystal display panel and manufacturing method thereof - Google Patents
Liquid crystal display panel and manufacturing method thereof Download PDFInfo
- Publication number
- CN105116587A CN105116587A CN201510612554.1A CN201510612554A CN105116587A CN 105116587 A CN105116587 A CN 105116587A CN 201510612554 A CN201510612554 A CN 201510612554A CN 105116587 A CN105116587 A CN 105116587A
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- layer
- display panels
- blue light
- array base
- base palte
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133357—Planarisation layers
Abstract
The invention provides a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises an array substrate (1), a color film substrate (2) arranged to be opposite to the array substrate (1), and a liquid crystal layer (3) sandwiched between the array substrate (1) and the color film substrate (2). The array substrate (1) comprises a liner substrate (11), a TFT layer (12) arranged on the liner substrate (11), a flat layer (13) arranged on the TFT layer (12), and a pixel electrode layer (14) arranged on the flat layer (13). A UV adsorbent (5) is mixed in the flat layer (13) so that the liquid crystal display panel can effectively filter short-wave blue light, and the damage to the human eyes by the short-wave blue light is reduced. The manufacturing method of the liquid crystal display panel is simple, the production cost is low, the prepared liquid crystal display panel can effectively filter the short-wave blue light, and the damage to the human eyes by the short-wave blue light is reduced.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display panels and preparation method thereof.
Background technology
Liquid crystal indicator (LCD, LiquidCrystalDisplay) has that fuselage is thin, power saving, the many merits such as radiationless, be widely used.As: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen etc.Usual liquid crystal indicator comprises housing, is located at the display panels in housing and is located at the backlight module (Backlightmodule) in housing.Wherein, the structure of display panels is mainly by a thin-film transistor array base-plate (ThinFilmTransistorArraySubstrate, TFTArraySubstrate), a colored filter substrate (ColorFilterSubstrate, CF) and the liquid crystal layer (LiquidCrystalLayer) be configured between two substrates formed, its principle of work is by applying the rotation that driving voltage controls the liquid crystal molecule of liquid crystal layer on two panels glass substrate, the light refraction of backlight module out being produced picture.
Nature itself does not have independent white light, presents white light after blue light and green glow, yellow light mix.Wherein, green glow and gold-tinted energy less, less to eye irritation, and blue light wavelength is short, energy is high, large to the injury of eyes.No matter modern is life or work all will use computer or mobile phone, inevitably will come into contacts with display screen, but viewing screen is easy to cause eye fatigue for a long time, and then harms one's eyes, cause irreversible injury.The a large amount of blue lights existed in the backlight of the real arch-criminal in fact worked the mischief display panel just.Research shows, shortwave blue light irradiates eyes for a long time, can produce a kind of light reaction material within the eye---free radical, it can cause retinal pigment epithelium to become feeble and die.After photosensory cell lacks nutriment for a long time and tapers off, finally can cause a kind of irreversible eye disease---ARM.This disease can affect central vision, causes eyes to occur blind spot.Owing to not yet having therapy can cure this disease at present, so medical expert appeals, to endanger by the conscious blue light that prevents in life.
Therefore, while these high-tech products of use, eye-protecting function becomes indispensable one.Compared to external application anti-blue light safety goggles, reduce blue light injury from display source and be considered as more worth good trend by medical circle.
Refer to Fig. 1, for existing a kind of display panels that can absorb ultraviolet light, this display panels comprises: the array base palte 100 and the color membrane substrates 200 that are oppositely arranged, be located at the upper polaroid 400 above described color membrane substrates 200, be located at the lower polaroid 600 below described array base palte 100, and the liquid crystal layer 300 be located between described array base palte 100 and color membrane substrates 200, wherein, at upper polaroid 400 by Triafol T (TriacetylCellulose, TAC) doped with UV absorbing agent 500 in the supporting layer formed, the light of below 380nm wave band can be absorbed, prevent extraneous ultraviolet from affecting liquid crystal drive effect.Further, in order to reduce the harm of shortwave blue light to human eye, concentration and dosage by promoting UV absorbing agent 500 promote the blue wave band of filtration, but due to the process problems of polaroid, cross filter section and at most also can only reach below 400nm, effectively can not reduce blue light harm.
Summary of the invention
The object of the present invention is to provide a kind of display panels, this display panels can effectively filter shortwave blue light, reduces shortwave blue light to the harm of human eye.
The present invention also aims to the method for making providing a kind of display panels, the method technique is simple, and production cost is low, and obtained display panels can effectively filter shortwave blue light, reduces shortwave blue light to the harm of human eye.
For achieving the above object, the invention provides a kind of display panels, comprising: the color membrane substrates that array base palte and described array base palte are oppositely arranged and the liquid crystal layer be located between described array base palte and color membrane substrates;
Described array base palte comprises: underlay substrate, the TFT layer be located on described underlay substrate, the pixel electrode layer be located at the flatness layer on described TFT layer and be located on described flatness layer;
Doped with the UV absorbing agent that can absorb shortwave blue light in described flatness layer.
Described UV absorbing agent comprises at least one in benzophenone compounds and benzotriazole compound.
Described color membrane substrates comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix".
Described UV absorbing agent can absorb the blue light of below 420nm wave band completely, partially absorbs the blue light of 420nm ~ 450nm wave band.
Also comprise the lower polaroid being located at described array base palte lower surface and the upper polaroid being located at described color membrane substrates upper surface.
The present invention also provides a kind of method for making of display panels, comprises the steps:
Step 1, provide a underlay substrate, described underlay substrate makes TFT layer;
Step 2, on described TFT layer, make flatness layer, doped with the UV absorbing agent for absorbing shortwave blue light in described flatness layer;
Step 3, on described flatness layer, make pixel electrode layer, obtained array base palte;
Step 4, make color membrane substrates, by color membrane substrates and array base palte to group, and pour into Formation of liquid crystals liquid crystal layer, obtain display panels.
Described UV absorbing agent comprises at least one in benzophenone compounds and benzotriazole compound.
Described color membrane substrates comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix".
Described UV absorbing agent can absorb the blue light of below 420nm wave band completely, partially absorbs the blue light of 420nm ~ 450nm wave band.
Also comprise: step 5, polaroid under the lower surface of described array base palte attaches, attach polaroid at the upper surface of described color membrane substrates.
Beneficial effect of the present invention: the invention provides a kind of display panels, UV absorbing agent is doped with in the flatness layer of array base palte, absorb shortwave blue light by UV absorbing agent, the visual fatigue avoiding Long-Time Service display device to cause and chronic injury, and can not picture display effect be affected.The present invention also provides a kind of method for making of display panels, and the method, by adulterating UV absorbing agent in flatness layer, enables the display panels obtained effectively filter shortwave blue light, reduce shortwave blue light to the harm of human eye, technique is simple, and not needing increases processing procedure, and production cost is low.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the existing structural representation that can absorb the display panels of ultraviolet light;
Fig. 2 is the structural representation of display panels of the present invention;
Fig. 3 is the process flow diagram of the method for making of display panels of the present invention.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 2, first the present invention provides a kind of display panels, comprising: the color membrane substrates 2 that array base palte 1 and described array base palte 1 are oppositely arranged and the liquid crystal layer 3 be located between described array base palte 1 and color membrane substrates 2;
Described array base palte 1 comprises: underlay substrate 11, the TFT layer 12 be located on described underlay substrate 11, the pixel electrode layer 14 be located at the flatness layer 13 on described TFT layer 12 and be located on described flatness layer 13;
Doped with the UV absorbing agent 5 that can absorb shortwave blue light in described flatness layer 13.
Particularly, the material of main part of described flatness layer 13 is photoresistance, doped with UV absorbing agent 5 in photoresist.
Particularly, described UV absorbing agent 5 comprises benzophenone compounds (OxybenzophenoneBasedCompound) and at least one in benzotriazole compound (BenzotriazolBasedCompound).
Particularly, described color membrane substrates 2 comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix" (not shown).
Further, described UV absorbing agent 5 can absorb the blue light of below 420nm wave band completely, partially absorb the blue light of 420nm ~ 450nm wave band, by carrying out absorption in various degree to the blue light of different-waveband, both reduce the harm of shortwave blue light to human eye, turn avoid the havoc of picture color effect.Compared to prior art, UV absorbing agent 5 is doped in flatness layer 13 by the present invention, and flatness layer 13 is thicker than the supporting layer thickness of polaroid, effectively can ensure the homogeneity that UV absorbing agent 5 distributes in flatness layer 13.
In addition, described display panels also comprises the lower polaroid 4 being located at described array base palte 1 lower surface and the upper polaroid 6 being located at described color membrane substrates 2 upper surface.
Refer to Fig. 3, and composition graphs 2, the present invention also provides a kind of method for making of display panels, comprises the steps:
Step 1, provide a underlay substrate 11, described underlay substrate 11 makes TFT layer 12.
Particularly, described underlay substrate 11 is transparency carrier, preferred glass substrate, and described TFT layer 12 comprises the film crystal pipe unit of several array arrangement.
Step 2, on described TFT layer 12, make flatness layer 13, doped with the UV absorbing agent 5 for absorbing shortwave blue light in described flatness layer 13.
Particularly, the material of main part of described flatness layer 13 is photoresistance, by the UV absorbing agent 5 that adulterates in photoresist, can obtain the flatness layer 13 doped with UV absorbing agent 5, and technique is simple, does not need to increase processing procedure.
Particularly, in described step 2, the UV absorbing agent 5 of doping comprises at least one in benzophenone compounds and benzotriazole compound.Described UV absorbing agent 5 can absorb the blue light of below 420nm wave band completely, partially absorb the blue light of 420nm ~ 450nm wave band, by carrying out absorption in various degree to the blue light of different-waveband, both reduced the harm of shortwave blue light to human eye, turn avoid the havoc of picture color effect.Compared to prior art, UV absorbing agent 5 is doped in flatness layer 13 by the present invention, and flatness layer 13 is thicker than the supporting layer thickness of polaroid, effectively can ensure the homogeneity that UV absorbing agent 5 distributes in flatness layer 13.
Step 3, on described flatness layer 13, make pixel electrode layer 14, obtained array base palte 1.
Particularly, the material of described pixel electrode layer 14 is ITO (tin indium oxide).
Step 4, make color membrane substrates 2, by color membrane substrates 2 with array base palte 1 to group, and pour into Formation of liquid crystals liquid crystal layer 3, obtained display panels.
Particularly, described color membrane substrates 2 comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix" (not shown).
Further, the method for making of described display panels also comprises: step 5, polaroid 4 under the lower surface of described array base palte 1 attaches, and the upper surface carried on the back at described color membrane substrates 2 attaches polaroid 6.
In sum, the invention provides a kind of display panels, in the flatness layer of array base palte, be doped with UV absorbing agent, absorb shortwave blue light by UV absorbing agent, the visual fatigue avoiding Long-Time Service display device to cause and chronic injury, and can not picture display effect be affected.The present invention also provides a kind of method for making of display panels, and the method, by adulterating UV absorbing agent in flatness layer, enables the display panels obtained effectively filter shortwave blue light, reduce shortwave blue light to the harm of human eye, technique is simple, and not needing increases processing procedure, and production cost is low.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (10)
1. a display panels, it is characterized in that, comprising: array base palte (1), and the color membrane substrates (2) that is oppositely arranged of described array base palte (1) and the liquid crystal layer (3) that is located between described array base palte (1) and color membrane substrates (2);
Described array base palte (1) comprising: underlay substrate (11), the TFT layer (12) be located on described underlay substrate (11), the pixel electrode layer (14) be located at the flatness layer (13) on described TFT layer (12) and be located on described flatness layer (13);
Doped with the UV absorbing agent (5) that can absorb shortwave blue light in described flatness layer (13).
2. display panels as claimed in claim 1, it is characterized in that, described UV absorbing agent (5) comprises at least one in benzophenone compounds and benzotriazole compound.
3. display panels as claimed in claim 1, is characterized in that, described color membrane substrates (2) comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix".
4. display panels as claimed in claim 1, it is characterized in that, described UV absorbing agent (5) can absorb the blue light of below 420nm wave band completely, partially absorbs the blue light of 420nm ~ 450nm wave band.
5. display panels as claimed in claim 1, it is characterized in that, also comprise the lower polaroid (4) being located at described array base palte (1) lower surface and the upper polaroid (6) being located at described color membrane substrates (2) upper surface.
6. a method for making for display panels, is characterized in that, comprises the steps:
Step 1, provide a underlay substrate (11), make TFT layer (12) described underlay substrate (11) is upper;
Step 2, on described TFT layer (12), make flatness layer (13), doped with the UV absorbing agent (5) for absorbing shortwave blue light in described flatness layer (13);
Step 3, on described flatness layer (13), make pixel electrode layer (14), obtained array base palte (1);
Step 4, make color membrane substrates (2), by color membrane substrates (2) and array base palte (1) to group, and pour into Formation of liquid crystals liquid crystal layer (3), obtained display panels.
7. the method for making of display panels as claimed in claim 6, it is characterized in that, described UV absorbing agent (5) comprises at least one in benzophenone compounds and benzotriazole compound.
8. the method for making of display panels as claimed in claim 6, is characterized in that, described color membrane substrates (2) comprises underlay substrate and the color blocking layer be located on described underlay substrate and black matrix".
9. the method for making of display panels as claimed in claim 6, it is characterized in that, described UV absorbing agent (5) can absorb the blue light of below 420nm wave band completely, partially absorbs the blue light of 420nm ~ 450nm wave band.
10. the method for making of display panels as claimed in claim 6, it is characterized in that, also comprise: step 5, polaroid (4) under the lower surface of described array base palte (1) attaches, attach upper polaroid (6) at the upper surface of described color membrane substrates (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612554.1A CN105116587A (en) | 2015-09-22 | 2015-09-22 | Liquid crystal display panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612554.1A CN105116587A (en) | 2015-09-22 | 2015-09-22 | Liquid crystal display panel and manufacturing method thereof |
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| CN105116587A true CN105116587A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510612554.1A Pending CN105116587A (en) | 2015-09-22 | 2015-09-22 | Liquid crystal display panel and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388662A (en) * | 2015-12-25 | 2016-03-09 | 武汉华星光电技术有限公司 | Display panel and polaroid |
| CN108572479A (en) * | 2018-04-17 | 2018-09-25 | 昆山龙腾光电有限公司 | Display device |
| CN109116615A (en) * | 2018-08-20 | 2019-01-01 | 深圳市华星光电技术有限公司 | Color membrane substrates and liquid crystal display panel |
| CN112782887A (en) * | 2019-11-07 | 2021-05-11 | 合肥鑫晟光电科技有限公司 | Display panel and display device |
| CN113156696A (en) * | 2021-04-14 | 2021-07-23 | 武汉华星光电半导体显示技术有限公司 | Display device |
| WO2023123546A1 (en) * | 2021-12-30 | 2023-07-06 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| WO2024031235A1 (en) * | 2022-08-08 | 2024-02-15 | 刘叔弦 | Cholesteric liquid crystal display |
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| WO2024031235A1 (en) * | 2022-08-08 | 2024-02-15 | 刘叔弦 | Cholesteric liquid crystal display |
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Application publication date: 20151202 |