CN1668157A - 用于控制基于led的照明系统的方法与装置 - Google Patents
用于控制基于led的照明系统的方法与装置 Download PDFInfo
- Publication number
- CN1668157A CN1668157A CNA2004100971736A CN200410097173A CN1668157A CN 1668157 A CN1668157 A CN 1668157A CN A2004100971736 A CNA2004100971736 A CN A2004100971736A CN 200410097173 A CN200410097173 A CN 200410097173A CN 1668157 A CN1668157 A CN 1668157A
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- Prior art keywords
- light source
- feedback
- signal
- led
- feedback signal
- 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.)
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
- G09G3/3413—Details of control of colour illumination sources
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/799,216 US7348949B2 (en) | 2004-03-11 | 2004-03-11 | Method and apparatus for controlling an LED based light system |
US10/799,216 | 2004-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1668157A true CN1668157A (zh) | 2005-09-14 |
CN1668157B CN1668157B (zh) | 2010-09-01 |
Family
ID=34920461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004100971736A Expired - Fee Related CN1668157B (zh) | 2004-03-11 | 2004-12-13 | 用于控制基于led的照明系统的方法与装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7348949B2 (zh) |
JP (1) | JP4903390B2 (zh) |
KR (1) | KR101193908B1 (zh) |
CN (1) | CN1668157B (zh) |
TW (1) | TWI380278B (zh) |
Cited By (10)
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CN101154338B (zh) * | 2006-09-26 | 2010-10-13 | 三星电子株式会社 | 基于led的光学系统及其老化补偿的方法 |
CN102706454A (zh) * | 2012-06-21 | 2012-10-03 | 伟创力电子技术(苏州)有限公司 | 一种基于usbtmc协议规范的led颜色及亮度的检测设备 |
CN101299325B (zh) * | 2007-05-02 | 2012-10-24 | 三星电子株式会社 | 驱动光源的方法以及采用该方法的背光装置 |
CN103222033A (zh) * | 2010-11-24 | 2013-07-24 | 应用材料公司 | 双灯泡灯头控制方法 |
CN103489411A (zh) * | 2013-09-24 | 2014-01-01 | 广东威创视讯科技股份有限公司 | 显示屏的色彩维持方法及系统 |
CN104240645A (zh) * | 2013-06-14 | 2014-12-24 | 联想(北京)有限公司 | 屏幕照射组件、电子设备以及屏幕照射组件的控制方法 |
CN104869695A (zh) * | 2015-03-31 | 2015-08-26 | 繁昌县博通电子商务有限公司 | 一种公共场所室内智能控制灯 |
CN105191496A (zh) * | 2013-11-25 | 2015-12-23 | 皇家飞利浦有限公司 | 控制照明装置的方法,照明控制器和照明系统 |
US9609703B2 (en) | 2013-11-25 | 2017-03-28 | Philips Lighting Holding B.V. | Method of controlling a lighting arrangement, a lighting controller and a lighting system |
CN117615483A (zh) * | 2023-12-23 | 2024-02-27 | 佛山市欧博智能电子科技有限公司 | 一种调光灯具及调光方法 |
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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 |
JP4510735B2 (ja) * | 2004-09-22 | 2010-07-28 | 統寶光電股▲ふん▼有限公司 | 設計手法、パネル及びその電子素子 |
TWI280554B (en) * | 2004-12-15 | 2007-05-01 | Au Optronics Corp | Light-merging control units |
CA2591133A1 (en) * | 2004-12-20 | 2006-06-29 | Color Kinetics Incorporated | Methods and apparatus for providing luminance compensation |
JP4904783B2 (ja) * | 2005-03-24 | 2012-03-28 | ソニー株式会社 | 表示装置及び表示方法 |
US20070041093A1 (en) * | 2005-08-22 | 2007-02-22 | Stuart Bard | Projector screen for use in a lighted room |
US20070069632A1 (en) * | 2005-09-26 | 2007-03-29 | Toppoly Optoelectronics Corp. | Electroluminescent device and pixel device |
KR101300565B1 (ko) * | 2005-10-26 | 2013-08-28 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | Led 루미너리 시스템, led 루미너리 제어 방법 및led 루미너리 제어 시스템 |
CN100437744C (zh) * | 2005-12-21 | 2008-11-26 | 比亚迪股份有限公司 | 一种显示终端色彩调整方法和系统 |
TWI326381B (en) * | 2005-12-23 | 2010-06-21 | Gigno Technology Co Ltd | Backlight module for liquid crystal display device |
US7439679B2 (en) * | 2006-03-16 | 2008-10-21 | Motorola, Inc. | Method and apparatus for illuminating light sources within an electronic device |
US8067970B2 (en) * | 2006-03-31 | 2011-11-29 | Masleid Robert P | Multi-write memory circuit with a data input and a clock input |
US20080012805A1 (en) * | 2006-07-13 | 2008-01-17 | Texas Instruments Incorporated | System and method for predictive pulse modulation in display applications |
US7759882B2 (en) * | 2006-07-31 | 2010-07-20 | Microsemi Corp.—Analog Mixed Signal Group Ltd. | Color control for scanning backlight |
KR101182245B1 (ko) | 2006-10-16 | 2012-09-14 | 삼성전자주식회사 | 디스플레이장치 및 그 제어방법 |
KR101288593B1 (ko) * | 2006-10-16 | 2013-07-22 | 엘지디스플레이 주식회사 | 발광 다이오드 구동 장치 및 이를 이용한 액정 표시 장치 |
JP4607846B2 (ja) * | 2006-10-19 | 2011-01-05 | ソニー株式会社 | 光源装置、光源駆動装置、発光量制御装置および液晶表示装置 |
WO2008050282A1 (en) * | 2006-10-27 | 2008-05-02 | Koninklijke Philips Electronics N.V. | Method and device for measuring a flux of a selected individual lightsource among a plurality of lightsources |
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DE102007004834A1 (de) * | 2007-01-31 | 2008-08-14 | Airbus Deutschland Gmbh | Lichtgerät und Verfahren zur Realisierung einer gewünschten Farbmischung |
US20080204382A1 (en) * | 2007-02-23 | 2008-08-28 | Kevin Len Li Lim | Color management controller for constant color point in a field sequential lighting system |
US7548030B2 (en) * | 2007-03-29 | 2009-06-16 | Microsemi Corp.—Analog Mixed Signal Group Ltd. | Color control for dynamic scanning backlight |
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KR101388977B1 (ko) * | 2007-08-07 | 2014-04-25 | 엘지디스플레이 주식회사 | 액정표시장치의 백라이트 구동방법 및 장치 |
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Also Published As
Publication number | Publication date |
---|---|
JP2005294821A (ja) | 2005-10-20 |
CN1668157B (zh) | 2010-09-01 |
TWI380278B (en) | 2012-12-21 |
KR20060043823A (ko) | 2006-05-15 |
US20050200578A1 (en) | 2005-09-15 |
TW200531002A (en) | 2005-09-16 |
US7348949B2 (en) | 2008-03-25 |
KR101193908B1 (ko) | 2012-10-29 |
JP4903390B2 (ja) | 2012-03-28 |
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