EP2219418A3 - LED illumination device - Google Patents
LED illumination device Download PDFInfo
- Publication number
- EP2219418A3 EP2219418A3 EP10000707.9A EP10000707A EP2219418A3 EP 2219418 A3 EP2219418 A3 EP 2219418A3 EP 10000707 A EP10000707 A EP 10000707A EP 2219418 A3 EP2219418 A3 EP 2219418A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- illumination
- color temperature
- illumination light
- color
- 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.)
- Granted
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]
- H05B45/20—Controlling the colour of the light
-
- 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
- H05B45/28—Controlling the colour 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]
- H05B45/40—Details of LED load circuits
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009017108A JP2010176985A (en) | 2009-01-28 | 2009-01-28 | Lighting system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2219418A2 EP2219418A2 (en) | 2010-08-18 |
EP2219418A3 true EP2219418A3 (en) | 2015-09-09 |
EP2219418B1 EP2219418B1 (en) | 2019-08-28 |
Family
ID=42140303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10000707.9A Active EP2219418B1 (en) | 2009-01-28 | 2010-01-25 | LED illumination device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2219418B1 (en) |
JP (1) | JP2010176985A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120051045A1 (en) * | 2010-08-27 | 2012-03-01 | Xicato, Inc. | Led Based Illumination Module Color Matched To An Arbitrary Light Source |
JP5740193B2 (en) * | 2011-04-11 | 2015-06-24 | 三菱電機株式会社 | Lighting device |
EP2728972B1 (en) * | 2012-10-31 | 2015-08-26 | Helvar Oy Ab | Controlling operation of light sources |
JP6210405B2 (en) * | 2013-05-13 | 2017-10-11 | パナソニックIpマネジメント株式会社 | Lighting device |
CN104105269A (en) * | 2014-07-29 | 2014-10-15 | 苏州乐聚一堂电子科技有限公司 | Intelligent two-circle color-changing flat panel lamp |
CN104159366A (en) * | 2014-07-29 | 2014-11-19 | 苏州乐聚一堂电子科技有限公司 | Intelligent multi-circle color-changing panel light |
CN104105270A (en) * | 2014-07-29 | 2014-10-15 | 苏州乐聚一堂电子科技有限公司 | Intelligent double-surface color-changing flat panel lamp |
JP5926836B2 (en) * | 2015-04-27 | 2016-05-25 | 三菱電機株式会社 | Lighting device |
CN105744685A (en) * | 2016-04-20 | 2016-07-06 | 黄初镇 | Apparatus for reducing illumination flickering |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040105261A1 (en) * | 1997-12-17 | 2004-06-03 | Color Kinetics, Incorporated | Methods and apparatus for generating and modulating illumination conditions |
US20050225264A1 (en) * | 2004-03-30 | 2005-10-13 | Kemp William H | LED lamp with color and brightness controller for use in wet, electrically hazardous bathing environments |
US7186003B2 (en) * | 1997-08-26 | 2007-03-06 | Color Kinetics Incorporated | Light-emitting diode based products |
WO2008129485A1 (en) * | 2007-04-24 | 2008-10-30 | Koninklijke Philips Electronics N. V. | User interface for multiple light control dimensions |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4495814B2 (en) * | 1999-12-28 | 2010-07-07 | アビックス株式会社 | Dimmable LED lighting fixture |
JP2004095369A (en) * | 2002-08-30 | 2004-03-25 | Matsushita Electric Works Ltd | Lighting device |
DE102005022832A1 (en) * | 2005-05-11 | 2006-11-16 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Headlamp for film and video recordings |
JP2007059260A (en) * | 2005-08-25 | 2007-03-08 | Toshiba Lighting & Technology Corp | Illumination device and illumination fixture |
TW200846589A (en) | 2007-05-22 | 2008-12-01 | Prodisc Technology Inc | Illumination device |
-
2009
- 2009-01-28 JP JP2009017108A patent/JP2010176985A/en active Pending
-
2010
- 2010-01-25 EP EP10000707.9A patent/EP2219418B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7186003B2 (en) * | 1997-08-26 | 2007-03-06 | Color Kinetics Incorporated | Light-emitting diode based products |
US20040105261A1 (en) * | 1997-12-17 | 2004-06-03 | Color Kinetics, Incorporated | Methods and apparatus for generating and modulating illumination conditions |
US20050225264A1 (en) * | 2004-03-30 | 2005-10-13 | Kemp William H | LED lamp with color and brightness controller for use in wet, electrically hazardous bathing environments |
WO2008129485A1 (en) * | 2007-04-24 | 2008-10-30 | Koninklijke Philips Electronics N. V. | User interface for multiple light control dimensions |
Also Published As
Publication number | Publication date |
---|---|
JP2010176985A (en) | 2010-08-12 |
EP2219418A2 (en) | 2010-08-18 |
EP2219418B1 (en) | 2019-08-28 |
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