EP1881743A3 - Lighting apparatus - Google Patents
Lighting apparatus Download PDFInfo
- Publication number
- EP1881743A3 EP1881743A3 EP07013491A EP07013491A EP1881743A3 EP 1881743 A3 EP1881743 A3 EP 1881743A3 EP 07013491 A EP07013491 A EP 07013491A EP 07013491 A EP07013491 A EP 07013491A EP 1881743 A3 EP1881743 A3 EP 1881743A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- electric power
- lighting apparatus
- phosphor
- increased
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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]
- H05B45/10—Controlling the intensity of the light
- H05B45/18—Controlling the intensity of the light using temperature feedback
-
- 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
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- 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]
- H05B45/40—Details of LED load circuits
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006189881 | 2006-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1881743A2 EP1881743A2 (en) | 2008-01-23 |
EP1881743A3 true EP1881743A3 (en) | 2010-04-28 |
Family
ID=38573362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07013491A Withdrawn EP1881743A3 (en) | 2006-07-10 | 2007-07-10 | Lighting apparatus |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1881743A3 (en) |
JP (1) | JP2013235847A (en) |
CN (1) | CN101106856B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2461895A (en) * | 2008-07-16 | 2010-01-20 | Elliot Makin | Light emitting diode driver |
KR101849786B1 (en) | 2009-03-18 | 2018-04-17 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Lighting device |
DE102010005743A1 (en) * | 2009-07-09 | 2011-01-13 | Siteco Beleuchtungstechnik Gmbh | LED control |
WO2011033432A1 (en) * | 2009-09-18 | 2011-03-24 | Koninklijke Philips Electronics N.V. | Lighting module |
JP5607980B2 (en) * | 2010-04-09 | 2014-10-15 | パナソニック株式会社 | Lighting device, lamp, lighting circuit device, lighting fixture |
US9807825B2 (en) | 2010-05-18 | 2017-10-31 | Cree, Inc. | Solid state lighting devices utilizing memristors |
US8710995B2 (en) | 2010-05-20 | 2014-04-29 | Rohm Co., Ltd. | Lighting apparatus |
WO2015198699A1 (en) * | 2014-06-26 | 2015-12-30 | Necライティング株式会社 | Organic el panel control device, light source device, organic el panel control method, program, and recording medium |
WO2020170421A1 (en) * | 2019-02-22 | 2020-08-27 | 三菱電機株式会社 | Refrigerator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0952757A2 (en) * | 1998-04-25 | 1999-10-27 | Mannesmann VDO Aktiengesellschaft | Circuit for controlling the light intensity of current controlled LEDS for display illumination |
DE20008346U1 (en) * | 2000-05-09 | 2001-09-20 | Sidler GmbH & Co., 72072 Tübingen | Electrical arrangement with several electrical components |
WO2002015145A2 (en) * | 2000-08-17 | 2002-02-21 | Power Signal Technologies, Inc. | Solid state light with self diagnostics and predictive failure analysis mechanisms |
DE20220356U1 (en) * | 2002-06-20 | 2003-06-05 | Insta Elektro GmbH, 58511 Lüdenscheid | Lighting unit comprising light emitting diodes, includes microprocessor and circuitry determining intensity from characteristic curve |
US20040108982A1 (en) * | 2002-12-09 | 2004-06-10 | Lockheed Martin Corporation | Method of LED life extension and end-of-life prediction |
WO2005030903A1 (en) * | 2003-09-24 | 2005-04-07 | Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh | Highly efficient led-based illumination system featuring improved color rendering |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540326B4 (en) * | 1995-10-28 | 2006-06-14 | Automotive Lighting Reutlingen Gmbh | Headlights for vehicles |
JP4443853B2 (en) * | 2002-04-23 | 2010-03-31 | 株式会社半導体エネルギー研究所 | LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE USING THE SAME |
JP2004327823A (en) * | 2003-04-25 | 2004-11-18 | Nikon Corp | Illuminator, exposure apparatus, and exposure method |
JP2005005546A (en) * | 2003-06-13 | 2005-01-06 | Hitachi Lighting Ltd | Led lighting device |
JP4277610B2 (en) * | 2003-07-23 | 2009-06-10 | 豊田合成株式会社 | Light emitting device |
US7176635B2 (en) * | 2004-02-24 | 2007-02-13 | Musco Corporation | Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
DE102004018343B4 (en) * | 2004-04-15 | 2017-06-14 | Zumtobel Lighting Gmbh | lighting system |
JP4590994B2 (en) * | 2004-09-09 | 2010-12-01 | 豊田合成株式会社 | Light emitting device and manufacturing method thereof |
-
2007
- 2007-07-09 CN CN2007101280724A patent/CN101106856B/en not_active Expired - Fee Related
- 2007-07-10 EP EP07013491A patent/EP1881743A3/en not_active Withdrawn
-
2013
- 2013-07-22 JP JP2013151467A patent/JP2013235847A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0952757A2 (en) * | 1998-04-25 | 1999-10-27 | Mannesmann VDO Aktiengesellschaft | Circuit for controlling the light intensity of current controlled LEDS for display illumination |
DE20008346U1 (en) * | 2000-05-09 | 2001-09-20 | Sidler GmbH & Co., 72072 Tübingen | Electrical arrangement with several electrical components |
WO2002015145A2 (en) * | 2000-08-17 | 2002-02-21 | Power Signal Technologies, Inc. | Solid state light with self diagnostics and predictive failure analysis mechanisms |
DE20220356U1 (en) * | 2002-06-20 | 2003-06-05 | Insta Elektro GmbH, 58511 Lüdenscheid | Lighting unit comprising light emitting diodes, includes microprocessor and circuitry determining intensity from characteristic curve |
US20040108982A1 (en) * | 2002-12-09 | 2004-06-10 | Lockheed Martin Corporation | Method of LED life extension and end-of-life prediction |
WO2005030903A1 (en) * | 2003-09-24 | 2005-04-07 | Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh | Highly efficient led-based illumination system featuring improved color rendering |
Also Published As
Publication number | Publication date |
---|---|
CN101106856A (en) | 2008-01-16 |
EP1881743A2 (en) | 2008-01-23 |
CN101106856B (en) | 2012-01-25 |
JP2013235847A (en) | 2013-11-21 |
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Legal Events
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H05B 37/03 20060101ALI20100319BHEP Ipc: H05B 33/08 20060101AFI20071018BHEP |
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Effective date: 20101129 |
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Effective date: 20160202 |