WO1996014597A1 - Hollow light guide for diffuse light - Google Patents
Hollow light guide for diffuse light Download PDFInfo
- Publication number
- WO1996014597A1 WO1996014597A1 PCT/CA1995/000613 CA9500613W WO9614597A1 WO 1996014597 A1 WO1996014597 A1 WO 1996014597A1 CA 9500613 W CA9500613 W CA 9500613W WO 9614597 A1 WO9614597 A1 WO 9614597A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light guide
- cover
- light
- octature
- wall material
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
-
- 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
- F21V7/00—Reflectors for light sources
-
- 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
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95934577A EP0789854B1 (en) | 1994-11-02 | 1995-10-27 | Light guide assembly for trapping and guiding light |
JP8514917A JP3032016B2 (en) | 1994-11-02 | 1995-10-27 | Hollow light guide assembly for diffused light |
DE69507503T DE69507503T2 (en) | 1994-11-02 | 1995-10-27 | LIGHT LINE ARRANGEMENT FOR INHIBITING AND LEADING LIGHT |
CA002200441A CA2200441C (en) | 1994-11-02 | 1995-10-27 | Hollow light guide for diffuse light |
NO971856A NO971856L (en) | 1994-11-02 | 1997-04-22 | Hollow diffuser for diffused light |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/333,340 US5481637A (en) | 1994-11-02 | 1994-11-02 | Hollow light guide for diffuse light |
US08/333,340 | 1994-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996014597A1 true WO1996014597A1 (en) | 1996-05-17 |
Family
ID=23302380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA1995/000613 WO1996014597A1 (en) | 1994-11-02 | 1995-10-27 | Hollow light guide for diffuse light |
Country Status (7)
Country | Link |
---|---|
US (1) | US5481637A (en) |
EP (1) | EP0789854B1 (en) |
JP (1) | JP3032016B2 (en) |
CA (1) | CA2200441C (en) |
DE (1) | DE69507503T2 (en) |
NO (1) | NO971856L (en) |
WO (1) | WO1996014597A1 (en) |
Cited By (2)
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EP1887389A3 (en) * | 2006-08-11 | 2008-03-05 | LG Electronics Inc. | Light pipe having a structure of enhancing an emission of a light |
US7565050B2 (en) | 2006-10-13 | 2009-07-21 | Lg Electronics, Inc. | Light pipe having an improved structure of prisms |
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US6080467A (en) * | 1995-06-26 | 2000-06-27 | 3M Innovative Properties Company | High efficiency optical devices |
US5997121A (en) * | 1995-12-14 | 1999-12-07 | Xerox Corporation | Sensing system for detecting presence of an ink container and level of ink therein |
US5661839A (en) | 1996-03-22 | 1997-08-26 | The University Of British Columbia | Light guide employing multilayer optical film |
US6473554B1 (en) | 1996-12-12 | 2002-10-29 | Teledyne Lighting And Display Products, Inc. | Lighting apparatus having low profile |
US6031958A (en) | 1997-05-21 | 2000-02-29 | Mcgaffigan; Thomas H. | Optical light pipes with laser light appearance |
US5901266A (en) * | 1997-09-04 | 1999-05-04 | The University Of British Columbia | Uniform light extraction from light guide, independently of light guide length |
US6134092A (en) * | 1998-04-08 | 2000-10-17 | Teledyne Lighting And Display Products, Inc. | Illumination device for non-emissive displays |
US6130976A (en) | 1998-04-15 | 2000-10-10 | 3M Innovative Properties Company | Coupling system for a light conduit |
DE69809086T2 (en) * | 1998-04-15 | 2003-07-24 | Minnesota Mining & Mfg | ASSEMBLY FOR A TUBULAR WAVE LADDER LIGHTING SYSTEM |
US6386723B1 (en) | 1999-02-25 | 2002-05-14 | Steelcase Development Corporation | Tasklight for workspaces and the like |
EP1236009A2 (en) * | 1999-11-30 | 2002-09-04 | Reflexite Corporation | Luminaire system |
EP1264298B1 (en) | 2000-03-06 | 2007-01-03 | Teledyne Lighting and Display Products, Inc. | Led light source with field-of-view-controlling optics |
JP2003526190A (en) | 2000-03-06 | 2003-09-02 | テレダイン ライティング アンド ディスプレイ プロダクツ, インコーポレイテッド | Lighting device having quantum dot layer |
US6646769B1 (en) * | 2000-06-21 | 2003-11-11 | Umax Data Systems, Inc. | Light source mechanism for an imaging apparatus |
US6637924B2 (en) | 2000-11-15 | 2003-10-28 | Teledyne Lighting And Display Products, Inc. | Strip lighting apparatus and method |
US6326506B1 (en) | 2001-06-11 | 2001-12-04 | Dow Corning Asia, Ltd. | Method of preparing an organosilicon compound |
US6784603B2 (en) * | 2001-07-20 | 2004-08-31 | Teledyne Lighting And Display Products, Inc. | Fluorescent lighting apparatus |
US7064740B2 (en) * | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
DE20314364U1 (en) * | 2003-09-16 | 2004-02-26 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Rotary switch in a motor vehicle |
US7623105B2 (en) | 2003-11-21 | 2009-11-24 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive color |
WO2005067453A2 (en) * | 2003-12-18 | 2005-07-28 | Sharp Laboratories Of America, Inc. | Dynamic gamma for a liquid crystal display |
US7602369B2 (en) * | 2004-05-04 | 2009-10-13 | Sharp Laboratories Of America, Inc. | Liquid crystal display with colored backlight |
US7532192B2 (en) * | 2004-05-04 | 2009-05-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with filtered black point |
US7612757B2 (en) * | 2004-05-04 | 2009-11-03 | Sharp Laboratories Of America, Inc. | Liquid crystal display with modulated black point |
US7777714B2 (en) * | 2004-05-04 | 2010-08-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive width |
US7505018B2 (en) * | 2004-05-04 | 2009-03-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with reduced black level insertion |
US8395577B2 (en) * | 2004-05-04 | 2013-03-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with illumination control |
US7872631B2 (en) * | 2004-05-04 | 2011-01-18 | Sharp Laboratories Of America, Inc. | Liquid crystal display with temporal black point |
US7023451B2 (en) * | 2004-06-14 | 2006-04-04 | Sharp Laboratories Of America, Inc. | System for reducing crosstalk |
US7556836B2 (en) * | 2004-09-03 | 2009-07-07 | Solae, Llc | High protein snack product |
US7898519B2 (en) * | 2005-02-17 | 2011-03-01 | Sharp Laboratories Of America, Inc. | Method for overdriving a backlit display |
US8050511B2 (en) * | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8050512B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US7525528B2 (en) * | 2004-11-16 | 2009-04-28 | Sharp Laboratories Of America, Inc. | Technique that preserves specular highlights |
US7180779B2 (en) * | 2005-07-11 | 2007-02-20 | Atmel Corporation | Memory architecture with enhanced over-erase tolerant control gate scheme |
US9143657B2 (en) * | 2006-01-24 | 2015-09-22 | Sharp Laboratories Of America, Inc. | Color enhancement technique using skin color detection |
US8121401B2 (en) * | 2006-01-24 | 2012-02-21 | Sharp Labortories of America, Inc. | Method for reducing enhancement of artifacts and noise in image color enhancement |
US7658514B2 (en) * | 2006-04-13 | 2010-02-09 | Lg Electronics Inc. | Light guide, method and apparatus for manufacturing the same, and illuminating system having the same |
KR101233199B1 (en) * | 2006-04-13 | 2013-02-15 | 엘지전자 주식회사 | Light pipe with structured inside and outside surface |
US8941580B2 (en) * | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
CN101387789B (en) * | 2007-09-13 | 2010-10-06 | 北京京东方光电科技有限公司 | Backlight lamp and back light module of liquid crystal display |
KR100970741B1 (en) * | 2008-02-04 | 2010-07-16 | 이강훈 | Light pipe |
TWM358263U (en) * | 2009-01-06 | 2009-06-01 | Univ Nat Taiwan Science Tech | Prism array and joint thereof |
EP2481978B1 (en) | 2011-01-28 | 2015-04-08 | SMR Patents S.à.r.l. | Rear view mirror comprising a hollow light guide |
US9415126B2 (en) * | 2013-05-23 | 2016-08-16 | Sensor Electronic Technology, Inc. | Reflective transparent optical chamber |
JP6058831B2 (en) | 2013-06-25 | 2017-01-11 | フィリップス ライティング ホールディング ビー ヴィ | Light emitting module having a curved prism sheet |
US20160011346A1 (en) | 2014-07-14 | 2016-01-14 | Sergiy Vasylyev | High incidence angle retroreflective sheeting |
TW201700911A (en) * | 2015-05-04 | 2017-01-01 | 3M新設資產公司 | Luminaire |
ITUA20161588A1 (en) * | 2016-03-11 | 2017-09-11 | Bevilacqua Carlotta Francesca Isolina Maria De | LIGHT OPTICAL TRANSMISSION AND DISTRIBUTION ELEMENT AND LIGHTING DEVICE INCLUDING THIS OPTICAL ELEMENT |
WO2021087617A1 (en) * | 2019-11-08 | 2021-05-14 | The University Of British Columbia | Linear optical cavity array light guide |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236030A2 (en) * | 1986-02-21 | 1987-09-09 | Minnesota Mining And Manufacturing Company | Method and apparatus for controlled emission of light from prism light guide |
EP0372272A1 (en) * | 1988-12-09 | 1990-06-13 | TRILUX-LENZE GmbH & Co. KG | Lighting fixture with a reflecting grid |
EP0513713A2 (en) * | 1991-05-15 | 1992-11-19 | AUGUST JORDAN GMBH & CO. | Light fixture incorporating a linear light source |
WO1993024787A1 (en) * | 1992-06-04 | 1993-12-09 | Minnesota Mining And Manufacturing Company | Line light source |
Family Cites Families (30)
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US4260220A (en) * | 1979-06-15 | 1981-04-07 | Canadian Patents And Development Limited | Prism light guide having surfaces which are in octature |
US4750798A (en) * | 1983-08-29 | 1988-06-14 | Canadian Patents And Developement Limited | Prism light guide luminaire |
US4805984A (en) * | 1985-11-21 | 1989-02-21 | Minnesota Mining And Manufacturing Company | Totally internally reflecting light conduit |
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 |
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 |
US4787708A (en) * | 1987-05-08 | 1988-11-29 | Tir Systems Ltd. | Apparatus for continuously controlled emission of light from prism light guide |
US4799136A (en) * | 1987-05-29 | 1989-01-17 | Guth Lighting Systems, Inc. | Lighting fixture having concave shaped reflector and improved asymmetric light reflection system |
US4952023A (en) * | 1988-03-18 | 1990-08-28 | Minnesota Mining And Manufacturing Company | Internally illuminated retroreflective sign |
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US5190370A (en) * | 1991-08-21 | 1993-03-02 | Minnesota Mining And Manufacturing Company | High aspect ratio lighting element |
US5207498A (en) * | 1991-08-27 | 1993-05-04 | Electrolux Corporation | Vacuum cleaner headlight |
US5237641A (en) * | 1992-03-23 | 1993-08-17 | Nioptics Corporation | Tapered multilayer luminaire devices |
US5339382A (en) * | 1993-02-23 | 1994-08-16 | Minnesota Mining And Manufacturing Company | Prism light guide luminaire with efficient directional output |
US5363470A (en) * | 1993-07-08 | 1994-11-08 | Minnesota Mining And Manufacturing Company | Displacing an optical lighting film's linear array of grooves to facilitate emission of light |
-
1994
- 1994-11-02 US US08/333,340 patent/US5481637A/en not_active Expired - Lifetime
-
1995
- 1995-10-27 DE DE69507503T patent/DE69507503T2/en not_active Expired - Lifetime
- 1995-10-27 WO PCT/CA1995/000613 patent/WO1996014597A1/en active IP Right Grant
- 1995-10-27 EP EP95934577A patent/EP0789854B1/en not_active Expired - Lifetime
- 1995-10-27 CA CA002200441A patent/CA2200441C/en not_active Expired - Fee Related
- 1995-10-27 JP JP8514917A patent/JP3032016B2/en not_active Expired - Fee Related
-
1997
- 1997-04-22 NO NO971856A patent/NO971856L/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236030A2 (en) * | 1986-02-21 | 1987-09-09 | Minnesota Mining And Manufacturing Company | Method and apparatus for controlled emission of light from prism light guide |
EP0372272A1 (en) * | 1988-12-09 | 1990-06-13 | TRILUX-LENZE GmbH & Co. KG | Lighting fixture with a reflecting grid |
EP0513713A2 (en) * | 1991-05-15 | 1992-11-19 | AUGUST JORDAN GMBH & CO. | Light fixture incorporating a linear light source |
WO1993024787A1 (en) * | 1992-06-04 | 1993-12-09 | Minnesota Mining And Manufacturing Company | Line light source |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1887389A3 (en) * | 2006-08-11 | 2008-03-05 | LG Electronics Inc. | Light pipe having a structure of enhancing an emission of a light |
US7565050B2 (en) | 2006-10-13 | 2009-07-21 | Lg Electronics, Inc. | Light pipe having an improved structure of prisms |
Also Published As
Publication number | Publication date |
---|---|
JP3032016B2 (en) | 2000-04-10 |
US5481637A (en) | 1996-01-02 |
CA2200441C (en) | 2002-07-30 |
CA2200441A1 (en) | 1996-05-17 |
NO971856L (en) | 1997-07-02 |
NO971856D0 (en) | 1997-04-22 |
EP0789854A1 (en) | 1997-08-20 |
JPH10508704A (en) | 1998-08-25 |
DE69507503D1 (en) | 1999-03-04 |
EP0789854B1 (en) | 1999-01-20 |
DE69507503T2 (en) | 2009-09-17 |
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