WO2002097323A1 - High efficiency reflector for directing collimated light into light guides - Google Patents
High efficiency reflector for directing collimated light into light guides Download PDFInfo
- Publication number
- WO2002097323A1 WO2002097323A1 PCT/CA2001/001445 CA0101445W WO02097323A1 WO 2002097323 A1 WO2002097323 A1 WO 2002097323A1 CA 0101445 W CA0101445 W CA 0101445W WO 02097323 A1 WO02097323 A1 WO 02097323A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reflector
- light
- axis
- collimating
- light guide
- 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
- G02B6/24—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
-
- 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
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0006—Coupling light into the fibre
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lenses (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01980073A EP1390663A1 (en) | 2001-05-29 | 2001-10-11 | High efficiency reflector for directing collimated light into light guides |
JP2003500466A JP2004527014A (en) | 2001-05-29 | 2001-10-11 | Highly efficient reflector for directing parallel light into an optical waveguide |
CA002445433A CA2445433C (en) | 2001-05-29 | 2001-10-11 | High efficiency reflector for directing collimated light into light guides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/865,430 US6418253B2 (en) | 1999-03-08 | 2001-05-29 | High efficiency reflector for directing collimated light into light guides |
US09/865,430 | 2001-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002097323A1 true WO2002097323A1 (en) | 2002-12-05 |
Family
ID=25345495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2001/001445 WO2002097323A1 (en) | 2001-05-29 | 2001-10-11 | High efficiency reflector for directing collimated light into light guides |
Country Status (5)
Country | Link |
---|---|
US (2) | US6418253B2 (en) |
EP (1) | EP1390663A1 (en) |
JP (1) | JP2004527014A (en) |
CA (1) | CA2445433C (en) |
WO (1) | WO2002097323A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7438423B2 (en) | 2005-08-29 | 2008-10-21 | 3M Innovative Properties Company | Illumination system and projection system incorporating same |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19932430C2 (en) * | 1999-07-12 | 2002-03-14 | Harting Elektrooptische Bauteile Gmbh & Co Kg | Opto-electronic assembly and component for this assembly |
US6809892B2 (en) * | 2000-07-26 | 2004-10-26 | 3M Innovative Properties Company | Hollow surface illuminator |
US6840633B2 (en) * | 2000-11-30 | 2005-01-11 | Texas Instruments Incorporated | Lamp reflector assembly |
US7064740B2 (en) * | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
WO2004003613A1 (en) * | 2002-06-28 | 2004-01-08 | Koninklijke Philips Electronics N.V. | Luminaire and dynamic road-marking unit |
US6783250B2 (en) * | 2002-09-25 | 2004-08-31 | Koninklijke Philips Electronics N.V. | Efficient light collector for projection display system |
CN1890989B (en) * | 2003-12-18 | 2012-08-08 | 夏普株式会社 | Dynamic gamma for a liquid crystal display |
US7872631B2 (en) | 2004-05-04 | 2011-01-18 | Sharp Laboratories Of America, Inc. | Liquid crystal display with temporal black point |
US7602369B2 (en) | 2004-05-04 | 2009-10-13 | Sharp Laboratories Of America, Inc. | Liquid crystal display with colored backlight |
US8395577B2 (en) | 2004-05-04 | 2013-03-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with illumination control |
US7777714B2 (en) | 2004-05-04 | 2010-08-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive width |
US7898519B2 (en) | 2005-02-17 | 2011-03-01 | Sharp Laboratories Of America, Inc. | Method for overdriving a backlit display |
US8050512B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8050511B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
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 |
US9143657B2 (en) | 2006-01-24 | 2015-09-22 | Sharp Laboratories Of America, Inc. | Color enhancement technique using skin color detection |
US7592996B2 (en) * | 2006-06-02 | 2009-09-22 | Samsung Electronics Co., Ltd. | Multiprimary color display with dynamic gamut mapping |
US8941580B2 (en) | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
JP2010140888A (en) * | 2008-11-14 | 2010-06-24 | Seiko Epson Corp | Lighting device, and projector |
JP2011216278A (en) * | 2010-03-31 | 2011-10-27 | Koito Mfg Co Ltd | Lamp fitting for vehicle |
US8632232B2 (en) * | 2010-03-31 | 2014-01-21 | Koito Manufacturing Co., Ltd. | Vehicular headlamp having a columnar light guide |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000053972A1 (en) * | 1999-03-08 | 2000-09-14 | Minnesota Mining And Manufacturing Company | High efficiency reflector for directing collimated light into light guides |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2179161A (en) | 1938-03-24 | 1939-11-07 | Rambusch Decorating Company | Illuminating device |
US4241382A (en) | 1979-03-23 | 1980-12-23 | Maurice Daniel | Fiber optics illuminator |
US4615579A (en) | 1983-08-29 | 1986-10-07 | Canadian Patents & Development Ltd. | Prism light guide luminaire |
US4750798A (en) | 1983-08-29 | 1988-06-14 | Canadian Patents And Developement Limited | Prism light guide luminaire |
JPS6392909A (en) | 1986-10-08 | 1988-04-23 | Alps Electric Co Ltd | Condenser |
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 |
US4755918A (en) | 1987-04-06 | 1988-07-05 | Lumitex, Inc. | Reflector system |
US4834495A (en) | 1987-05-08 | 1989-05-30 | Minnesota Mining And Manufacturing Company | Collapsible light pipe |
US4787708A (en) | 1987-05-08 | 1988-11-29 | Tir Systems Ltd. | Apparatus for continuously controlled emission of light from prism light guide |
-
2001
- 2001-05-29 US US09/865,430 patent/US6418253B2/en not_active Expired - Lifetime
- 2001-10-11 CA CA002445433A patent/CA2445433C/en not_active Expired - Lifetime
- 2001-10-11 EP EP01980073A patent/EP1390663A1/en not_active Withdrawn
- 2001-10-11 WO PCT/CA2001/001445 patent/WO2002097323A1/en not_active Application Discontinuation
- 2001-10-11 JP JP2003500466A patent/JP2004527014A/en active Pending
-
2002
- 2002-05-10 US US10/142,161 patent/US6522807B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000053972A1 (en) * | 1999-03-08 | 2000-09-14 | Minnesota Mining And Manufacturing Company | High efficiency reflector for directing collimated light into light guides |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7438423B2 (en) | 2005-08-29 | 2008-10-21 | 3M Innovative Properties Company | Illumination system and projection system incorporating same |
US7841726B2 (en) | 2005-08-29 | 2010-11-30 | 3M Innovative Properties Company | Illumination system and projection system incorporating the same |
Also Published As
Publication number | Publication date |
---|---|
CA2445433C (en) | 2007-03-27 |
US20010038736A1 (en) | 2001-11-08 |
EP1390663A1 (en) | 2004-02-25 |
US6418253B2 (en) | 2002-07-09 |
US6522807B2 (en) | 2003-02-18 |
CA2445433A1 (en) | 2002-12-05 |
JP2004527014A (en) | 2004-09-02 |
US20020159692A1 (en) | 2002-10-31 |
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