WO1992022768A1 - High aspect ratio light emitter having high uniformity and directionality - Google Patents
High aspect ratio light emitter having high uniformity and directionality Download PDFInfo
- Publication number
- WO1992022768A1 WO1992022768A1 PCT/CA1992/000219 CA9200219W WO9222768A1 WO 1992022768 A1 WO1992022768 A1 WO 1992022768A1 CA 9200219 W CA9200219 W CA 9200219W WO 9222768 A1 WO9222768 A1 WO 9222768A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light emitter
- inner portion
- distribution
- varies
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/02—Refractors for light sources of prismatic shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92910555A EP0593499B1 (en) | 1991-06-17 | 1992-05-26 | High aspect ratio light emitter having high uniformity and directionality |
DE69209838T DE69209838T2 (en) | 1991-06-17 | 1992-05-26 | WITH A LARGE AREA-TO-THICKNESS RATIO LIGHT EMITTERS WITH HIGH Uniformity and Directional Effect |
NO934663A NO303990B1 (en) | 1991-06-17 | 1993-12-16 | Light transmitter with large aspect ratio, and high uniformity and directivity |
FI935681A FI935681A (en) | 1991-06-17 | 1993-12-16 | Ljusemitter med stort avbildningsfoerhaollande och hoegklassig enhetlighet och riktning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US716,684 | 1991-06-17 | ||
US07/716,684 US5243506A (en) | 1991-06-17 | 1991-06-17 | High aspect ratio light emitter having high uniformity and directionality |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992022768A1 true WO1992022768A1 (en) | 1992-12-23 |
Family
ID=24879006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA1992/000219 WO1992022768A1 (en) | 1991-06-17 | 1992-05-26 | High aspect ratio light emitter having high uniformity and directionality |
Country Status (10)
Country | Link |
---|---|
US (1) | US5243506A (en) |
EP (1) | EP0593499B1 (en) |
JP (1) | JP2711481B2 (en) |
AU (1) | AU1785792A (en) |
CA (1) | CA2111437C (en) |
DE (1) | DE69209838T2 (en) |
DK (1) | DK0593499T3 (en) |
FI (1) | FI935681A (en) |
NO (1) | NO303990B1 (en) |
WO (1) | WO1992022768A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999018390A1 (en) * | 1997-10-06 | 1999-04-15 | Da.Ma S.R.L. | A linear lighting device having co-extruded internally prismatically scored screens |
DE19851633A1 (en) * | 1998-11-10 | 2000-05-18 | Tobias Hobert | Device for forwarding and distributing electromagnetic radiation, in particular visible light |
DE19924133A1 (en) * | 1999-05-26 | 2000-11-30 | Basler Ag | Lamp for producing a line of light with a specifiable intensity distribution along its length comprises reflectors whose position and/or surface curvature is adjustable relative to the light sources of the lamp |
US9476554B2 (en) | 2012-10-30 | 2016-10-25 | 3M Innovative Properties Company | Rectangular light duct extraction |
US9791128B2 (en) | 2012-10-30 | 2017-10-17 | 3M Innovative Properties Company | Curved light duct extraction |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2097109C (en) * | 1992-06-01 | 2000-01-11 | Shozo Kokawa | Liquid crystal display |
US6712481B2 (en) | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
US5613751A (en) | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
US5692822A (en) * | 1995-11-29 | 1997-12-02 | Minnesota Mining & Manufacturing Co. | Uniform bi-directional dependent line light source via controlled partial reflection |
ZA9610900B (en) * | 1995-12-27 | 1997-06-27 | Kevin D Miekis | Supporting structure for a prism light guide |
US5661839A (en) | 1996-03-22 | 1997-08-26 | The University Of British Columbia | Light guide employing multilayer optical film |
US5832164A (en) * | 1996-05-24 | 1998-11-03 | Miekis; Kevin D. | Supporting structure for a prism light guide |
GB2319877B (en) * | 1996-11-29 | 2000-07-26 | Principle Systems Limited | Illuminated sign |
US6031958A (en) * | 1997-05-21 | 2000-02-29 | Mcgaffigan; Thomas H. | Optical light pipes with laser light appearance |
US6079844A (en) * | 1997-06-10 | 2000-06-27 | The University Of British Columbia | High efficiency high intensity backlighting of graphic displays |
US6024462A (en) * | 1997-06-10 | 2000-02-15 | The University Of British Columbia | High efficiency high intensity backlighting of graphic displays |
US5901266A (en) * | 1997-09-04 | 1999-05-04 | The University Of British Columbia | Uniform light extraction from light guide, independently of light guide length |
JP2003532133A (en) | 2000-04-25 | 2003-10-28 | ハネウェル・インターナショナル・インコーポレーテッド | Hollow light guide that distributes parallel light to liquid crystal display |
US6481882B1 (en) * | 2000-05-04 | 2002-11-19 | 3M Innovative Properties Company | Light pipe fixture with internal extractor |
US6809892B2 (en) * | 2000-07-26 | 2004-10-26 | 3M Innovative Properties Company | Hollow surface illuminator |
US6783269B2 (en) * | 2000-12-27 | 2004-08-31 | Koninklijke Philips Electronics N.V. | Side-emitting rod for use with an LED-based light engine |
US7384173B2 (en) * | 2004-12-30 | 2008-06-10 | 3M Innovative Properties Company | Brightness enhancement article |
US7591094B2 (en) * | 2005-05-31 | 2009-09-22 | The University Of British Columbia | Perforated multi-layer optical film luminaire |
US8224207B2 (en) | 2007-10-12 | 2012-07-17 | Fuji Xerox Co., Ltd. | Light irradiation element, image forming structure, and image forming apparatus |
JP5257654B2 (en) * | 2008-03-24 | 2013-08-07 | 富士ゼロックス株式会社 | Light irradiation body, image forming structure, and image forming apparatus |
US8066405B2 (en) * | 2007-10-25 | 2011-11-29 | Simon Jerome H | Lumenairs having structurally and electrically integrated arrangements of quasi point light sources, such as LEDs |
US8462292B2 (en) * | 2008-07-31 | 2013-06-11 | Rambus Delaware Llc | Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using the optically transmissive substrates and light emitting assemblies |
US9657907B2 (en) * | 2010-12-14 | 2017-05-23 | Bridgelux Inc. | Side light LED troffer tube |
US9733414B2 (en) | 2013-02-08 | 2017-08-15 | Quarkstar Llc | Illumination system based on active and passive illumination devices |
US20160123547A1 (en) * | 2013-05-31 | 2016-05-05 | 3M Innovative Properties Company | Luminaire for crosswalk |
US10302275B2 (en) | 2013-06-19 | 2019-05-28 | Bright View Technologies Corporation | Microstructure-based diffusers for creating batwing lighting patterns |
US10072816B2 (en) | 2013-06-19 | 2018-09-11 | Bright View Technologies Corporation | Microstructure-based optical diffusers for creating batwing and other lighting patterns |
US9765949B2 (en) | 2013-07-26 | 2017-09-19 | Bright View Technologies Corporation | Shaped microstructure-based optical diffusers for creating batwing and other lighting patterns |
US20160327241A1 (en) * | 2015-05-04 | 2016-11-10 | 3M Innovative Properties Company | Luminaire assembly |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787708A (en) * | 1987-05-08 | 1988-11-29 | Tir Systems Ltd. | Apparatus for continuously controlled emission of light from prism light guide |
WO1990004132A1 (en) * | 1988-10-07 | 1990-04-19 | Gulton Industries, Inc. | Illuminating system |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB713529A (en) * | 1951-03-16 | 1954-08-11 | Edward Wasteneys Hall | Improvements in or relating to lights for vehicles and devices for preventing dazzletherefrom and assisting in the penetration of fog |
US4105293A (en) * | 1976-08-25 | 1978-08-08 | Aizenberg Julian Borisovich | Lighting installation based on light guide |
US4260220A (en) * | 1979-06-15 | 1981-04-07 | Canadian Patents And Development Limited | Prism light guide having surfaces which are in octature |
US4337759A (en) * | 1979-10-10 | 1982-07-06 | John M. Popovich | Radiant energy concentration by optical total internal reflection |
US4335421A (en) * | 1980-03-17 | 1982-06-15 | Modia Joseph W | Light fixture, light aperture and method of uniformly illuminating an optically diffusive viewing area |
US4615579A (en) * | 1983-08-29 | 1986-10-07 | Canadian Patents & Development Ltd. | Prism light guide luminaire |
EP0167721B1 (en) * | 1984-07-02 | 1989-10-11 | Mitsubishi Rayon Co., Ltd. | Light diffuser |
CA1279783C (en) * | 1985-11-21 | 1991-02-05 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
US4805984A (en) * | 1985-11-21 | 1989-02-21 | Minnesota Mining And Manufacturing Company | Totally internally reflecting light conduit |
US4755921A (en) * | 1986-04-02 | 1988-07-05 | Minnesota Mining And Manufacturing Company | Lens |
GB2196100B (en) * | 1986-10-01 | 1990-07-04 | Mitsubishi Rayon Co | Light diffusing device |
US4850665A (en) * | 1987-02-20 | 1989-07-25 | Minnesota Mining And Manufacturing Company | Method and apparatus for controlled emission of light from prism light guide |
US4874228A (en) * | 1987-03-24 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Back-lit display |
US4799137A (en) * | 1987-03-24 | 1989-01-17 | Minnesota Mining And Manufacturing Company | Reflective film |
US4834495A (en) * | 1987-05-08 | 1989-05-30 | Minnesota Mining And Manufacturing Company | Collapsible light pipe |
US4984144A (en) * | 1987-05-08 | 1991-01-08 | Minnesota Mining And Manufacturing Company | High aspect ratio light fixture and film for use therein |
US4791540A (en) * | 1987-05-26 | 1988-12-13 | Minnesota Mining And Manufacturing Company | Light fixture providing normalized output |
US4937716A (en) * | 1988-05-05 | 1990-06-26 | Tir Systems Ltd | Illuminating device having non-absorptive variable transmissivity cover |
US4989125A (en) * | 1988-05-10 | 1991-01-29 | Minnesota Mining And Manufacturing Company | Reflector using fresnel-type structures having a plurality of active faces |
US4996632A (en) * | 1988-10-07 | 1991-02-26 | Gulton Industries, Inc. | Multi-color illuminating system |
US5054885A (en) * | 1988-10-11 | 1991-10-08 | Minnesota Mining And Manfuacturing Company | Light fixture including a partially collimated beam of light and reflective prisms having peaks lying on a curved surface |
US5043850A (en) * | 1990-01-10 | 1991-08-27 | Minnesota Mining And Manufacturing Company | Direction dependent line light source |
-
1991
- 1991-06-17 US US07/716,684 patent/US5243506A/en not_active Expired - Lifetime
-
1992
- 1992-05-26 DE DE69209838T patent/DE69209838T2/en not_active Expired - Lifetime
- 1992-05-26 DK DK92910555.9T patent/DK0593499T3/en active
- 1992-05-26 JP JP4510354A patent/JP2711481B2/en not_active Expired - Fee Related
- 1992-05-26 WO PCT/CA1992/000219 patent/WO1992022768A1/en active IP Right Grant
- 1992-05-26 EP EP92910555A patent/EP0593499B1/en not_active Expired - Lifetime
- 1992-05-26 CA CA002111437A patent/CA2111437C/en not_active Expired - Lifetime
- 1992-05-26 AU AU17857/92A patent/AU1785792A/en not_active Abandoned
-
1993
- 1993-12-16 NO NO934663A patent/NO303990B1/en not_active Application Discontinuation
- 1993-12-16 FI FI935681A patent/FI935681A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787708A (en) * | 1987-05-08 | 1988-11-29 | Tir Systems Ltd. | Apparatus for continuously controlled emission of light from prism light guide |
WO1990004132A1 (en) * | 1988-10-07 | 1990-04-19 | Gulton Industries, Inc. | Illuminating system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999018390A1 (en) * | 1997-10-06 | 1999-04-15 | Da.Ma S.R.L. | A linear lighting device having co-extruded internally prismatically scored screens |
DE19851633A1 (en) * | 1998-11-10 | 2000-05-18 | Tobias Hobert | Device for forwarding and distributing electromagnetic radiation, in particular visible light |
DE19924133A1 (en) * | 1999-05-26 | 2000-11-30 | Basler Ag | Lamp for producing a line of light with a specifiable intensity distribution along its length comprises reflectors whose position and/or surface curvature is adjustable relative to the light sources of the lamp |
US9476554B2 (en) | 2012-10-30 | 2016-10-25 | 3M Innovative Properties Company | Rectangular light duct extraction |
US9791128B2 (en) | 2012-10-30 | 2017-10-17 | 3M Innovative Properties Company | Curved light duct extraction |
Also Published As
Publication number | Publication date |
---|---|
AU1785792A (en) | 1993-01-12 |
NO934663L (en) | 1993-12-17 |
NO303990B1 (en) | 1998-10-05 |
DE69209838T2 (en) | 1996-11-28 |
DE69209838D1 (en) | 1996-05-15 |
CA2111437A1 (en) | 1992-12-23 |
FI935681A (en) | 1994-02-14 |
CA2111437C (en) | 1995-07-18 |
EP0593499B1 (en) | 1996-04-10 |
JP2711481B2 (en) | 1998-02-10 |
EP0593499A1 (en) | 1994-04-27 |
JPH06507996A (en) | 1994-09-08 |
FI935681A0 (en) | 1993-12-16 |
NO934663D0 (en) | 1993-12-16 |
US5243506A (en) | 1993-09-07 |
DK0593499T3 (en) | 1996-05-06 |
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