CN102349351B - 用于控制发光二极管阵列的光强度输出的系统和设备 - Google Patents
用于控制发光二极管阵列的光强度输出的系统和设备 Download PDFInfo
- Publication number
- CN102349351B CN102349351B CN201080011169.7A CN201080011169A CN102349351B CN 102349351 B CN102349351 B CN 102349351B CN 201080011169 A CN201080011169 A CN 201080011169A CN 102349351 B CN102349351 B CN 102349351B
- Authority
- CN
- China
- Prior art keywords
- led
- junction temperature
- drive current
- heat
- controller
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Device Packages (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15864809P | 2009-03-09 | 2009-03-09 | |
US61/158,648 | 2009-03-09 | ||
PCT/IB2010/050794 WO2010103413A1 (en) | 2009-03-09 | 2010-02-23 | A system and apparatus for controlling light intensity output of light emitting diode arrays |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102349351A CN102349351A (zh) | 2012-02-08 |
CN102349351B true CN102349351B (zh) | 2016-01-20 |
Family
ID=42212104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080011169.7A Expired - Fee Related CN102349351B (zh) | 2009-03-09 | 2010-02-23 | 用于控制发光二极管阵列的光强度输出的系统和设备 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110316448A1 (zh) |
EP (1) | EP2407007A1 (zh) |
JP (1) | JP6087505B2 (zh) |
KR (1) | KR20110135958A (zh) |
CN (1) | CN102349351B (zh) |
CA (1) | CA2754674A1 (zh) |
TW (1) | TWI516166B (zh) |
WO (1) | WO2010103413A1 (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010103413A1 (en) * | 2009-03-09 | 2010-09-16 | Koninklijke Philips Electronics N.V. | A system and apparatus for controlling light intensity output of light emitting diode arrays |
US10475358B2 (en) * | 2014-11-14 | 2019-11-12 | Rohinni, LLC | Indicium illumination by light-generating sources |
US10139551B2 (en) * | 2014-11-14 | 2018-11-27 | Rohinni, LLC | Electronic device with light-generating sources to illuminate an indicium |
AT517625A1 (de) * | 2015-09-07 | 2017-03-15 | Mat Center Leoben Forschung Gmbh | Verfahren und Vorrichtung zur Überwachung eines Halbleitermoduls |
KR101616715B1 (ko) * | 2015-09-16 | 2016-04-29 | (주) 선일일렉콤 | Led 조명기구의 과열방지 장치 및 그 방법 |
US10009570B2 (en) * | 2016-02-24 | 2018-06-26 | International Business Machines Corporation | Thermal management of display screens |
DE102016003296A1 (de) | 2016-03-17 | 2017-09-21 | Audi Ag | Kraftfahrzeug mit wenigstens einem Scheinwerfer |
KR102355883B1 (ko) | 2016-05-31 | 2022-01-25 | 로히니, 엘엘씨. | 다기능 광 장치 |
US9905170B2 (en) * | 2016-06-20 | 2018-02-27 | GM Global Technology Operations LLC | Control of LED array in a liquid crystal display assembly |
CN114253048A (zh) * | 2017-07-21 | 2022-03-29 | 亮锐控股有限公司 | 控制分段闪光灯系统的方法 |
JP6796742B2 (ja) * | 2017-07-27 | 2020-12-09 | シグニファイ ホールディング ビー ヴィSignify Holding B.V. | 周囲温度推定値を使用して照明器具からのアナログ信号データを補償するためのシステム、方法、及び装置 |
US10354356B2 (en) * | 2017-11-02 | 2019-07-16 | Dell Products L.P. | Systems and methods for interconnecting and cooling multiple graphics processing unit (GPU) cards |
CN108777894A (zh) * | 2018-04-08 | 2018-11-09 | 广州大学 | 一种uv-led阵列固化光源驱动器及设计方法 |
CN108847182A (zh) * | 2018-08-16 | 2018-11-20 | 北京蜃景光电科技有限公司 | 显示器控制单元以及显示器系统 |
WO2023211426A1 (en) * | 2022-04-26 | 2023-11-02 | Lumitex, Inc. | Method and device for controlling light output based on junction temperature |
DE102022115951A1 (de) | 2022-06-27 | 2023-12-28 | HELLA GmbH & Co. KGaA | Energieversorgung für eine Leuchte mit einer Matrix aus LEDs, insbesondere LED-Kraftfahrzeugscheinwerfer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1989786A (zh) * | 2004-07-23 | 2007-06-27 | 皇家飞利浦电子股份有限公司 | 固态照明单元的温度优先颜色控制系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0204212D0 (en) * | 2002-02-22 | 2002-04-10 | Oxley Dev Co Ltd | Led drive circuit |
US7023543B2 (en) * | 2002-08-01 | 2006-04-04 | Cunningham David W | Method for controlling the luminous flux spectrum of a lighting fixture |
JP2008543043A (ja) * | 2005-05-27 | 2008-11-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 異なる色の光を発する半導体の装置の制御 |
RU2434368C2 (ru) * | 2005-06-03 | 2011-11-20 | Конинклейке Филипс Электроникс Н.В. | Система и способ для управления светильником сид |
JP2009526385A (ja) * | 2006-02-10 | 2009-07-16 | ティーアイアール テクノロジー エルピー | 光源輝度制御システム及び方法 |
US20080033897A1 (en) * | 2006-08-02 | 2008-02-07 | Lloyd Kenneth A | Object Oriented System and Method of Graphically Displaying and Analyzing Complex Systems |
US20080238340A1 (en) * | 2007-03-26 | 2008-10-02 | Shun Kei Mars Leung | Method and apparatus for setting operating current of light emitting semiconductor element |
WO2008120133A2 (en) * | 2007-03-29 | 2008-10-09 | Koninklijke Philips Electronics N.V. | Method and device for driving an led system |
US8207931B2 (en) * | 2007-05-31 | 2012-06-26 | Hong Kong Applied Science and Technology Research Institute Company Limited | Method of displaying a low dynamic range image in a high dynamic range |
WO2010103413A1 (en) * | 2009-03-09 | 2010-09-16 | Koninklijke Philips Electronics N.V. | A system and apparatus for controlling light intensity output of light emitting diode arrays |
-
2010
- 2010-02-23 WO PCT/IB2010/050794 patent/WO2010103413A1/en active Application Filing
- 2010-02-23 CN CN201080011169.7A patent/CN102349351B/zh not_active Expired - Fee Related
- 2010-02-23 CA CA2754674A patent/CA2754674A1/en not_active Abandoned
- 2010-02-23 KR KR1020117023568A patent/KR20110135958A/ko not_active Application Discontinuation
- 2010-02-23 JP JP2011553557A patent/JP6087505B2/ja not_active Expired - Fee Related
- 2010-02-23 US US13/255,118 patent/US20110316448A1/en not_active Abandoned
- 2010-02-23 EP EP10707355A patent/EP2407007A1/en not_active Withdrawn
- 2010-03-08 TW TW099106669A patent/TWI516166B/zh not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1989786A (zh) * | 2004-07-23 | 2007-06-27 | 皇家飞利浦电子股份有限公司 | 固态照明单元的温度优先颜色控制系统 |
Also Published As
Publication number | Publication date |
---|---|
TWI516166B (zh) | 2016-01-01 |
US20110316448A1 (en) | 2011-12-29 |
EP2407007A1 (en) | 2012-01-18 |
WO2010103413A1 (en) | 2010-09-16 |
CA2754674A1 (en) | 2010-09-16 |
CN102349351A (zh) | 2012-02-08 |
TW201041442A (en) | 2010-11-16 |
JP2012519977A (ja) | 2012-08-30 |
JP6087505B2 (ja) | 2017-03-01 |
KR20110135958A (ko) | 2011-12-20 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: The city of Eindhoven in Holland Patentee after: KONINKLIJKE PHILIPS N.V. Address before: The city of Eindhoven in Holland Patentee before: Koninklijke Philips Electronics N.V. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: The city of Eindhoven in Holland Patentee after: PHILIPS LIGHTING HOLDING B.V. Address before: The city of Eindhoven in Holland Patentee before: KONINKLIJKE PHILIPS N.V. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180223 |