WO2001080603A3 - Method and apparatus to improve the colour rendering of a solid state light source - Google Patents
Method and apparatus to improve the colour rendering of a solid state light source Download PDFInfo
- Publication number
- WO2001080603A3 WO2001080603A3 PCT/IB2001/000630 IB0100630W WO0180603A3 WO 2001080603 A3 WO2001080603 A3 WO 2001080603A3 IB 0100630 W IB0100630 W IB 0100630W WO 0180603 A3 WO0180603 A3 WO 0180603A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light source
- colour
- colour rendering
- solid state
- improve
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- 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
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001246762A AU2001246762A1 (en) | 2000-04-19 | 2001-04-18 | Method and apparatus to improve the colour rendering of a solid state light source |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/552,699 US6329764B1 (en) | 2000-04-19 | 2000-04-19 | Method and apparatus to improve the color rendering of a solid state light source |
US09/552,699 | 2000-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001080603A2 WO2001080603A2 (en) | 2001-10-25 |
WO2001080603A3 true WO2001080603A3 (en) | 2002-02-28 |
Family
ID=24206418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2001/000630 WO2001080603A2 (en) | 2000-04-19 | 2001-04-18 | Method and apparatus to improve the colour rendering of a solid state light source |
Country Status (5)
Country | Link |
---|---|
US (1) | US6329764B1 (en) |
AU (1) | AU2001246762A1 (en) |
MY (1) | MY133767A (en) |
TW (1) | TWI223967B (en) |
WO (1) | WO2001080603A2 (en) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040052076A1 (en) | 1997-08-26 | 2004-03-18 | Mueller George G. | Controlled lighting methods and apparatus |
US7014336B1 (en) | 1999-11-18 | 2006-03-21 | Color Kinetics Incorporated | Systems and methods for generating and modulating illumination conditions |
US20030133292A1 (en) | 1999-11-18 | 2003-07-17 | Mueller George G. | Methods and apparatus for generating and modulating white light illumination conditions |
US7132804B2 (en) * | 1997-12-17 | 2006-11-07 | Color Kinetics Incorporated | Data delivery track |
JP2003510856A (en) | 1999-09-29 | 2003-03-18 | カラー・キネティックス・インコーポレーテッド | Combined illumination and calibration apparatus and calibration method for multiple LEDs |
JP4197814B2 (en) * | 1999-11-12 | 2008-12-17 | シャープ株式会社 | LED driving method, LED device and display device |
US7303300B2 (en) | 2000-09-27 | 2007-12-04 | Color Kinetics Incorporated | Methods and systems for illuminating household products |
US7358929B2 (en) * | 2001-09-17 | 2008-04-15 | Philips Solid-State Lighting Solutions, Inc. | Tile lighting methods and systems |
US6759814B2 (en) * | 2002-03-28 | 2004-07-06 | Eastman Kodak Company | Illuminator and method of making same |
US6683423B2 (en) * | 2002-04-08 | 2004-01-27 | David W. Cunningham | Lighting apparatus for producing a beam of light having a controlled luminous flux spectrum |
US20060293727A1 (en) * | 2002-05-09 | 2006-12-28 | Greg Spooner | System and method for treating exposed tissue with light emitting diodes |
US7023543B2 (en) | 2002-08-01 | 2006-04-04 | Cunningham David W | Method for controlling the luminous flux spectrum of a lighting fixture |
EP1620676A4 (en) | 2003-05-05 | 2011-03-23 | Philips Solid State Lighting | Lighting methods and systems |
US7354172B2 (en) | 2004-03-15 | 2008-04-08 | Philips Solid-State Lighting Solutions, Inc. | Methods and apparatus for controlled lighting based on a reference gamut |
DE102004050655A1 (en) * | 2004-10-18 | 2006-06-01 | Volkswagen Ag | A vehicle lighting device and method for controlling a vehicle lighting device |
EP1650736A1 (en) * | 2004-10-25 | 2006-04-26 | Barco NV | Backlight modulation for display |
EP1849152A4 (en) * | 2004-12-20 | 2012-05-02 | Philips Solid State Lighting | Color management methods and apparatus for lighting |
KR100628716B1 (en) * | 2005-02-02 | 2006-09-28 | 삼성전자주식회사 | Led driver |
WO2006093889A2 (en) | 2005-02-28 | 2006-09-08 | Color Kinetics Incorporated | Configurations and methods for embedding electronics or light emitters in manufactured materials |
WO2006130973A1 (en) * | 2005-06-08 | 2006-12-14 | Tir Systems Ltd. | Backlighting apparatus and method |
US7872430B2 (en) | 2005-11-18 | 2011-01-18 | Cree, Inc. | Solid state lighting panels with variable voltage boost current sources |
EP2033278B1 (en) * | 2006-05-31 | 2019-04-10 | Cree, Inc. | Lighting device and method of lighting |
DE102006032071B4 (en) * | 2006-07-11 | 2008-07-10 | Austriamicrosystems Ag | Control circuit and method for controlling light emitting diodes |
US8410727B2 (en) * | 2007-03-08 | 2013-04-02 | Rohm Co., Ltd. | LED lighting device and driving method for the same |
US8049709B2 (en) | 2007-05-08 | 2011-11-01 | Cree, Inc. | Systems and methods for controlling a solid state lighting panel |
DE102007031038A1 (en) * | 2007-07-04 | 2009-01-08 | Tridonicatco Schweiz Ag | Circuit for operating light-emitting diodes (LEDs) |
US7701151B2 (en) * | 2007-10-19 | 2010-04-20 | American Sterilizer Company | Lighting control system having temperature compensation and trim circuits |
US7812551B2 (en) * | 2007-10-19 | 2010-10-12 | American Sterilizer Company | Lighting control method having a light output ramping function |
US8040070B2 (en) * | 2008-01-23 | 2011-10-18 | Cree, Inc. | Frequency converted dimming signal generation |
US8278831B2 (en) * | 2008-01-28 | 2012-10-02 | Nxp B.V. | LED driver circuit and method, and system and method for estimating the junction temperature of a light emitting diode |
US10264637B2 (en) | 2009-09-24 | 2019-04-16 | Cree, Inc. | Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof |
US8901829B2 (en) * | 2009-09-24 | 2014-12-02 | Cree Led Lighting Solutions, Inc. | Solid state lighting apparatus with configurable shunts |
US9713211B2 (en) | 2009-09-24 | 2017-07-18 | Cree, Inc. | Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof |
US8901845B2 (en) | 2009-09-24 | 2014-12-02 | Cree, Inc. | Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods |
US8476836B2 (en) | 2010-05-07 | 2013-07-02 | Cree, Inc. | AC driven solid state lighting apparatus with LED string including switched segments |
US8619103B2 (en) * | 2011-01-31 | 2013-12-31 | Global Oled Technology Llc | Electroluminescent device multilevel-drive chromaticity-shift compensation |
US9839083B2 (en) | 2011-06-03 | 2017-12-05 | Cree, Inc. | Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same |
US8742671B2 (en) | 2011-07-28 | 2014-06-03 | Cree, Inc. | Solid state lighting apparatus and methods using integrated driver circuitry |
DE102016214576A1 (en) * | 2016-08-05 | 2018-02-08 | Osram Gmbh | Light module with at least one semiconductor light source |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4504776A (en) * | 1980-11-12 | 1985-03-12 | Bei Electronics, Inc. | Power saving regulated light emitting diode circuit |
FR2711884A1 (en) * | 1993-10-29 | 1995-05-05 | Solartec Sarl | Signalling device, in particular for road, aeronautical or maritime signalling |
EP0924823A1 (en) * | 1997-12-17 | 1999-06-23 | Hewlett-Packard Company | Driver circuit for a solid state optical emitter device |
GB2333593A (en) * | 1998-01-22 | 1999-07-28 | Hochiki Co | Light emission circuit |
US6016038A (en) * | 1997-08-26 | 2000-01-18 | Color Kinetics, Inc. | Multicolored LED lighting method and apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2212658B (en) | 1987-11-13 | 1992-02-12 | Plessey Co Plc | Solid state light source |
IE820328L (en) | 1996-08-15 | 1983-08-16 | Eaton Corp | Illumination system |
US5783909A (en) * | 1997-01-10 | 1998-07-21 | Relume Corporation | Maintaining LED luminous intensity |
US6028694A (en) * | 1997-05-22 | 2000-02-22 | Schmidt; Gregory W. | Illumination device using pulse width modulation of a LED |
US6095661A (en) * | 1998-03-19 | 2000-08-01 | Ppt Vision, Inc. | Method and apparatus for an L.E.D. flashlight |
-
2000
- 2000-04-19 US US09/552,699 patent/US6329764B1/en not_active Expired - Lifetime
-
2001
- 2001-04-18 AU AU2001246762A patent/AU2001246762A1/en not_active Abandoned
- 2001-04-18 WO PCT/IB2001/000630 patent/WO2001080603A2/en active Application Filing
- 2001-04-19 TW TW090109413A patent/TWI223967B/en not_active IP Right Cessation
- 2001-04-19 MY MYPI20011855A patent/MY133767A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4504776A (en) * | 1980-11-12 | 1985-03-12 | Bei Electronics, Inc. | Power saving regulated light emitting diode circuit |
FR2711884A1 (en) * | 1993-10-29 | 1995-05-05 | Solartec Sarl | Signalling device, in particular for road, aeronautical or maritime signalling |
US6016038A (en) * | 1997-08-26 | 2000-01-18 | Color Kinetics, Inc. | Multicolored LED lighting method and apparatus |
EP0924823A1 (en) * | 1997-12-17 | 1999-06-23 | Hewlett-Packard Company | Driver circuit for a solid state optical emitter device |
GB2333593A (en) * | 1998-01-22 | 1999-07-28 | Hochiki Co | Light emission circuit |
Also Published As
Publication number | Publication date |
---|---|
TWI223967B (en) | 2004-11-11 |
WO2001080603A2 (en) | 2001-10-25 |
US6329764B1 (en) | 2001-12-11 |
MY133767A (en) | 2007-11-30 |
AU2001246762A1 (en) | 2001-10-30 |
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