CN101841949A - 背光源驱动电路和驱动方法 - Google Patents
背光源驱动电路和驱动方法 Download PDFInfo
- Publication number
- CN101841949A CN101841949A CN200910080562A CN200910080562A CN101841949A CN 101841949 A CN101841949 A CN 101841949A CN 200910080562 A CN200910080562 A CN 200910080562A CN 200910080562 A CN200910080562 A CN 200910080562A CN 101841949 A CN101841949 A CN 101841949A
- Authority
- CN
- China
- Prior art keywords
- field
- effect transistor
- led
- type
- switching circuit
- 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
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100805620A CN101841949B (zh) | 2009-03-20 | 2009-03-20 | 背光源驱动电路和驱动方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100805620A CN101841949B (zh) | 2009-03-20 | 2009-03-20 | 背光源驱动电路和驱动方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101841949A true CN101841949A (zh) | 2010-09-22 |
CN101841949B CN101841949B (zh) | 2013-05-29 |
Family
ID=42744954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100805620A Active CN101841949B (zh) | 2009-03-20 | 2009-03-20 | 背光源驱动电路和驱动方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101841949B (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102629458A (zh) * | 2011-10-21 | 2012-08-08 | 北京京东方光电科技有限公司 | 背光板电路、背光板以及发光二极管驱动器 |
CN102750911A (zh) * | 2012-07-10 | 2012-10-24 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
CN102800298A (zh) * | 2012-09-11 | 2012-11-28 | 深圳市华星光电技术有限公司 | Led背光驱动电路及led背光驱动方法 |
CN102867487A (zh) * | 2011-07-04 | 2013-01-09 | 乐金显示有限公司 | 液晶显示装置及驱动该液晶显示装置的方法 |
CN103839529A (zh) * | 2014-02-25 | 2014-06-04 | 青岛海信电器股份有限公司 | 一种背光源的驱动系统及方法 |
CN104050747A (zh) * | 2014-06-23 | 2014-09-17 | 中国工商银行股份有限公司 | 验钞装置、取现方法及装置 |
CN104254182A (zh) * | 2014-09-18 | 2014-12-31 | 电子科技大学 | 一种led驱动电路 |
WO2016197541A1 (zh) * | 2015-06-11 | 2016-12-15 | 京东方科技集团股份有限公司 | Led灯条结构及其控制方法、背光模组、液晶显示装置 |
CN112820243A (zh) * | 2019-10-31 | 2021-05-18 | 荣耀终端有限公司 | 一种背光控制电路及其控制方法、显示终端 |
CN112911757A (zh) * | 2021-01-27 | 2021-06-04 | 上汽大众汽车有限公司 | 多功能led驱动系统和驱动方法 |
CN114299868A (zh) * | 2021-12-30 | 2022-04-08 | 京东方科技集团股份有限公司 | 一种显示基板及其控制方法、显示装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6888529B2 (en) * | 2000-12-12 | 2005-05-03 | Koninklijke Philips Electronics N.V. | Control and drive circuit arrangement for illumination performance enhancement with LED light sources |
JP4306657B2 (ja) * | 2004-10-14 | 2009-08-05 | ソニー株式会社 | 発光素子駆動装置および表示装置 |
KR100679410B1 (ko) * | 2006-04-04 | 2007-02-06 | 엘지.필립스 엘시디 주식회사 | 발광 다이오드의 구동 장치 |
TW200743408A (en) * | 2006-05-08 | 2007-11-16 | Xiang-Ji Xie | LED illumination apparatus |
CN101222805B (zh) * | 2007-12-20 | 2012-07-18 | 北京中星微电子有限公司 | 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 |
-
2009
- 2009-03-20 CN CN2009100805620A patent/CN101841949B/zh active Active
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102867487A (zh) * | 2011-07-04 | 2013-01-09 | 乐金显示有限公司 | 液晶显示装置及驱动该液晶显示装置的方法 |
CN102867487B (zh) * | 2011-07-04 | 2015-02-04 | 乐金显示有限公司 | 液晶显示装置及驱动该液晶显示装置的方法 |
US9001022B2 (en) | 2011-07-04 | 2015-04-07 | Lg Display Co., Ltd. | Liquid crystal display device using a dimming control method and method for driving the same |
WO2013056650A1 (zh) * | 2011-10-21 | 2013-04-25 | 北京京东方光电科技有限公司 | 背光板电路、背光板以及发光二极管驱动器 |
US8917031B2 (en) | 2011-10-21 | 2014-12-23 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight panel circuit, back light panel and light emitting diode driver |
CN102629458A (zh) * | 2011-10-21 | 2012-08-08 | 北京京东方光电科技有限公司 | 背光板电路、背光板以及发光二极管驱动器 |
CN102750911B (zh) * | 2012-07-10 | 2015-11-25 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
CN102750911A (zh) * | 2012-07-10 | 2012-10-24 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
CN102800298A (zh) * | 2012-09-11 | 2012-11-28 | 深圳市华星光电技术有限公司 | Led背光驱动电路及led背光驱动方法 |
CN103839529A (zh) * | 2014-02-25 | 2014-06-04 | 青岛海信电器股份有限公司 | 一种背光源的驱动系统及方法 |
CN104050747A (zh) * | 2014-06-23 | 2014-09-17 | 中国工商银行股份有限公司 | 验钞装置、取现方法及装置 |
CN104254182A (zh) * | 2014-09-18 | 2014-12-31 | 电子科技大学 | 一种led驱动电路 |
WO2016197541A1 (zh) * | 2015-06-11 | 2016-12-15 | 京东方科技集团股份有限公司 | Led灯条结构及其控制方法、背光模组、液晶显示装置 |
US9915778B2 (en) | 2015-06-11 | 2018-03-13 | Boe Technology Group Co., Ltd. | LED lamp strip structure and control method thereof, backlight module, liquid crystal display device |
CN112820243A (zh) * | 2019-10-31 | 2021-05-18 | 荣耀终端有限公司 | 一种背光控制电路及其控制方法、显示终端 |
CN112820243B (zh) * | 2019-10-31 | 2022-05-27 | 荣耀终端有限公司 | 一种背光控制电路及其控制方法、显示终端 |
CN112911757A (zh) * | 2021-01-27 | 2021-06-04 | 上汽大众汽车有限公司 | 多功能led驱动系统和驱动方法 |
CN114299868A (zh) * | 2021-12-30 | 2022-04-08 | 京东方科技集团股份有限公司 | 一种显示基板及其控制方法、显示装置 |
CN114299868B (zh) * | 2021-12-30 | 2023-01-31 | 京东方科技集团股份有限公司 | 一种显示基板及其控制方法、显示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101841949B (zh) | 2013-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101841949B (zh) | 背光源驱动电路和驱动方法 | |
CN102136252B (zh) | 背光组件和具有它的显示装置 | |
CN102214432B (zh) | 电源管理与控制模块以及液晶显示器 | |
CN101660692B (zh) | 背光组件及其驱动方法 | |
CN101183831B (zh) | 直流-直流转换器、液晶显示设备、老化测试装置及方法 | |
US8198822B2 (en) | Light source driving apparatus and light source apparatus having the same | |
CN201718080U (zh) | 发光二极管背光源驱动系统 | |
US20080238337A1 (en) | Architecture for driving multiple loads at constant current | |
CN111052870B (zh) | 利用充电恢复的节能驱动电路 | |
KR101716353B1 (ko) | 발광 다이오드 어레이의 구동 장치 및 이를 포함하는 액정 표시 장치 | |
KR101710154B1 (ko) | 액정표시장치용 전원회로 및 이를 포함하는 액정표시장치 | |
CN100550100C (zh) | 发光显示面板的驱动装置及驱动方法 | |
US20100123741A1 (en) | Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus | |
CN102254526B (zh) | 发光元件驱动装置和显示装置 | |
US20110140615A1 (en) | Apparatus and method of driving light source | |
US20130147381A1 (en) | Driving circuit and driving method for light emitting diode and display apparatus using the same | |
US20080055948A1 (en) | Ripple-free drive circuit for LED backlights of LCD panel | |
CN103280203A (zh) | Led背光驱动电路、液晶显示装置和一种驱动方法 | |
CN109686319A (zh) | 一种超多背光分区驱动控制电路及显示装置 | |
CN104091570A (zh) | 背光电路及其驱动方法、背光模组、显示装置 | |
CN102103831A (zh) | 一种led背光驱动电路 | |
CN108231027B (zh) | 一种低功耗的液晶显示设备 | |
GB2535932A (en) | Flyback boosted circuit, LED backlight drive circuit and liquid crystal display | |
CN101527988B (zh) | 光源驱动模块及电路 | |
KR101373395B1 (ko) | 백라이트 유닛 및 이를 구비한 액정표시장치 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150624 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150624 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150624 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: 215200 No. 1700, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu, Zhongshan North Road Patentee after: Gaochuang (Suzhou) Electronics Co.,Ltd. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee before: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right |