CN101923832B - 一种背光模组 - Google Patents
一种背光模组 Download PDFInfo
- Publication number
- CN101923832B CN101923832B CN2010102456788A CN201010245678A CN101923832B CN 101923832 B CN101923832 B CN 101923832B CN 2010102456788 A CN2010102456788 A CN 2010102456788A CN 201010245678 A CN201010245678 A CN 201010245678A CN 101923832 B CN101923832 B CN 101923832B
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- light emitting
- voltage
- lamp string
- module backlight
- 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
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005142 aphototropism Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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
-
- 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
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
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 Devices (AREA)
Abstract
Description
Claims (11)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102456788A CN101923832B (zh) | 2010-07-30 | 2010-07-30 | 一种背光模组 |
US12/995,730 US8653738B2 (en) | 2010-07-30 | 2010-09-01 | Backlight module |
EP20100855182 EP2600187A4 (en) | 2010-07-30 | 2010-09-01 | BACKLIGHT MODULE |
PCT/CN2010/076533 WO2012012954A1 (zh) | 2010-07-30 | 2010-09-01 | 一种背光模组 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102456788A CN101923832B (zh) | 2010-07-30 | 2010-07-30 | 一种背光模组 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101923832A CN101923832A (zh) | 2010-12-22 |
CN101923832B true CN101923832B (zh) | 2012-05-30 |
Family
ID=43338727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010102456788A Expired - Fee Related CN101923832B (zh) | 2010-07-30 | 2010-07-30 | 一种背光模组 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2600187A4 (zh) |
CN (1) | CN101923832B (zh) |
WO (1) | WO2012012954A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999938A (zh) * | 2020-09-14 | 2020-11-27 | 业成科技(成都)有限公司 | 背光模组及其液晶显示器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101329850A (zh) * | 2008-07-09 | 2008-12-24 | 北京巨数数字技术开发有限公司 | 一种液晶显示装置 |
CN101533607A (zh) * | 2008-03-14 | 2009-09-16 | 原景科技股份有限公司 | 发光二极管的驱动电路以及发光二极管的驱动方法 |
CN101578002A (zh) * | 2009-06-05 | 2009-11-11 | 彩虹集团公司 | 一种发光二极管led背光源亮度补偿方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100459821C (zh) * | 2003-11-14 | 2009-02-04 | 立锜科技股份有限公司 | 驱动多组直流光源的驱动电路 |
JP4544068B2 (ja) * | 2005-07-14 | 2010-09-15 | ソニー株式会社 | 発光ダイオード素子の駆動回路、光源装置、表示装置 |
US20080100561A1 (en) * | 2006-10-31 | 2008-05-01 | Price Erin L | System and Method for Managing LED Backlight Performance in a Display |
US20080180414A1 (en) * | 2007-01-30 | 2008-07-31 | Kai Ming Fung | Method and apparatus for controlling light emitting diode |
US7948468B2 (en) * | 2007-02-23 | 2011-05-24 | The Regents Of The University Of Colorado | Systems and methods for driving multiple solid-state light sources |
EP2313936A4 (en) * | 2008-07-16 | 2017-06-28 | 3M Innovative Properties Company | Stable light source |
CN101640029B (zh) * | 2008-07-29 | 2013-08-21 | 群创光电股份有限公司 | 背光模块、液晶显示装置及光源驱动方法 |
JP2010161264A (ja) * | 2009-01-09 | 2010-07-22 | Renesas Technology Corp | Led駆動回路および半導体素子ならびに画像表示装置 |
-
2010
- 2010-07-30 CN CN2010102456788A patent/CN101923832B/zh not_active Expired - Fee Related
- 2010-09-01 WO PCT/CN2010/076533 patent/WO2012012954A1/zh active Application Filing
- 2010-09-01 EP EP20100855182 patent/EP2600187A4/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101533607A (zh) * | 2008-03-14 | 2009-09-16 | 原景科技股份有限公司 | 发光二极管的驱动电路以及发光二极管的驱动方法 |
CN101329850A (zh) * | 2008-07-09 | 2008-12-24 | 北京巨数数字技术开发有限公司 | 一种液晶显示装置 |
CN101578002A (zh) * | 2009-06-05 | 2009-11-11 | 彩虹集团公司 | 一种发光二极管led背光源亮度补偿方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2600187A4 (en) | 2014-01-01 |
EP2600187A1 (en) | 2013-06-05 |
WO2012012954A1 (zh) | 2012-02-02 |
CN101923832A (zh) | 2010-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7471287B2 (en) | Light source driving circuit for driving light emitting diode components and driving method thereof | |
US8188679B2 (en) | Self-powered LED bypass-switch configuration | |
US8686653B2 (en) | LED backlight driving method, liquid crystal display device and LED backlight driving circuit | |
CN101207950B (zh) | 发光二极管的驱动方法、系统以及冗余电路 | |
US20060022607A1 (en) | Device for driving light emitting diode strings | |
TWI735865B (zh) | 發光二極體驅動系統及發光二極體驅動裝置 | |
CN101222805A (zh) | 一种用于多串led分时调整的方法及使用该方法的驱动装置 | |
CN100539782C (zh) | 光源驱动电路及其驱动方法 | |
CN102762011A (zh) | 一种led恒流调光驱动电路装置 | |
US20140176014A1 (en) | Led backlight driver circuit | |
CN102548121B (zh) | 集成电路、控制方法、与光源提供系统 | |
KR20160019933A (ko) | Led 백라이트 구동회로 및 액정 디스플레이 | |
CN202268152U (zh) | 显示屏背光恒流恒压驱动电路 | |
CN100546420C (zh) | 光源驱动电路 | |
US7863825B2 (en) | LED driver circuit for providing desired luminance with constant current | |
CN101923832B (zh) | 一种背光模组 | |
WO2012011339A1 (ja) | 発光装置 | |
CN103024977B (zh) | 发光二极管驱动电路 | |
US8653738B2 (en) | Backlight module | |
CN203086780U (zh) | Led驱动器控制器和led驱动器 | |
CN101950535B (zh) | 发光装置与相关驱动方法 | |
TWI406594B (zh) | 發光模組的定頻調光方法及定頻調光電路 | |
US8692476B2 (en) | Boost circuit for LED backlight driver circuit | |
CN203934076U (zh) | 交流多段分区驱动式led光引擎 | |
CN102118902A (zh) | 电源供应系统及其控制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Backlight module Effective date of registration: 20190426 Granted publication date: 20120530 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: 2019440020032 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201016 Granted publication date: 20120530 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen China Star Optoelectronics Technology Co.,Ltd. Registration number: 2019440020032 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 |