CN101527120A - 驱动光源的方法、光源装置和具有该光源装置的显示装置 - Google Patents
驱动光源的方法、光源装置和具有该光源装置的显示装置 Download PDFInfo
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- CN101527120A CN101527120A CN200910006356A CN200910006356A CN101527120A CN 101527120 A CN101527120 A CN 101527120A CN 200910006356 A CN200910006356 A CN 200910006356A CN 200910006356 A CN200910006356 A CN 200910006356A CN 101527120 A CN101527120 A CN 101527120A
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- voltage
- led
- led string
- output terminal
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- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
-
- 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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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
-
- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080020279A KR101473366B1 (ko) | 2008-03-05 | 2008-03-05 | 광원구동방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치 |
KR10-2008-0020279 | 2008-03-05 | ||
KR1020080020279 | 2008-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101527120A true CN101527120A (zh) | 2009-09-09 |
CN101527120B CN101527120B (zh) | 2013-06-05 |
Family
ID=41053091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100063565A Expired - Fee Related CN101527120B (zh) | 2008-03-05 | 2009-02-10 | 驱动光源的方法、光源装置和具有该光源装置的显示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8363004B2 (zh) |
JP (1) | JP2009212082A (zh) |
KR (1) | KR101473366B1 (zh) |
CN (1) | CN101527120B (zh) |
Cited By (14)
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CN102074208A (zh) * | 2009-11-24 | 2011-05-25 | 乐金显示有限公司 | 液晶显示器及其局部调光控制方法 |
CN102438345A (zh) * | 2010-09-29 | 2012-05-02 | 力林科技股份有限公司 | 发光二极管的驱动电路及用于驱动电路的短路保护电路 |
CN102573205A (zh) * | 2010-12-23 | 2012-07-11 | 通嘉科技股份有限公司 | 集成电路、控制方法、与光源提供系统 |
CN102740567A (zh) * | 2012-07-04 | 2012-10-17 | 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 |
CN102956210A (zh) * | 2011-08-26 | 2013-03-06 | 乐金显示有限公司 | 液晶显示器及其驱动方法 |
CN103150983A (zh) * | 2011-12-07 | 2013-06-12 | 美格纳半导体有限公司 | 用于led阵列的短路的检测电路和led驱动设备 |
CN103209743A (zh) * | 2010-09-15 | 2013-07-17 | 艾夫迪斯齐尔德建公司 | 被照明的非接触式铙钹拾音器 |
CN103280193A (zh) * | 2013-05-28 | 2013-09-04 | 深圳市华星光电技术有限公司 | 一种背光驱动电路、液晶显示装置和背光驱动方法 |
CN103295547A (zh) * | 2013-05-08 | 2013-09-11 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路及其驱动方法、液晶显示装置 |
US9001109B2 (en) | 2012-07-09 | 2015-04-07 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED backlight driving circuit, backlight module, and LCD device |
US9258862B2 (en) | 2013-05-08 | 2016-02-09 | Shenzhen China Star Optoelectronics Technology Co., Ltd | LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit |
US9271361B2 (en) | 2013-05-28 | 2016-02-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight driving circuit, LCD device, and method for driving the backlight driving circuit |
CN109155120A (zh) * | 2016-03-21 | 2019-01-04 | Lg电子株式会社 | 图像显示设备 |
CN110933818A (zh) * | 2018-09-17 | 2020-03-27 | 英飞凌科技股份有限公司 | 具有led模块的电子电路 |
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KR101521098B1 (ko) * | 2009-01-06 | 2015-05-20 | 삼성디스플레이 주식회사 | 광원 구동 방법 및 이를 수행하기 위한 광원 장치 |
EP2214456A1 (en) * | 2009-01-22 | 2010-08-04 | Nanker(Guang Zhou)Semiconductor Manufacturing Corp. | LED lamp circuit |
KR101539359B1 (ko) * | 2009-02-05 | 2015-07-27 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치 |
CA2778546A1 (en) * | 2009-09-16 | 2011-03-24 | Electronic Research Pty Ltd | A led display system |
US8525774B2 (en) * | 2009-10-28 | 2013-09-03 | Top Victory Investments Ltd. | Light-emitting diode (LED) driving circuit |
EP2481267B1 (en) * | 2009-12-04 | 2014-02-12 | OSRAM GmbH | A method for controlling the operation of an electronic converter, and a corresponding electronic converter, lighting system and software product |
US8493000B2 (en) * | 2010-01-04 | 2013-07-23 | Cooledge Lighting Inc. | Method and system for driving light emitting elements |
KR101696749B1 (ko) * | 2010-01-25 | 2017-01-17 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 갖는 표시장치 |
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KR101146989B1 (ko) | 2010-05-06 | 2012-05-22 | 삼성모바일디스플레이주식회사 | Dc-dc 컨버터, 이를 포함하는 유기 전계 발광 표시 장치 및 그 구동 방법 |
KR101097352B1 (ko) | 2010-05-06 | 2011-12-23 | 삼성모바일디스플레이주식회사 | Dc-dc 컨버터, 그 구동 방법, dc-dc 컨버터를 포함하는 유기 전계 발광 표시 장치 및 그 구동 방법 |
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KR102006966B1 (ko) * | 2010-11-23 | 2019-08-02 | 온세미컨덕터코리아 주식회사 | Led 발광 장치의 구동 장치 및 구동 방법 |
JP2012118263A (ja) * | 2010-11-30 | 2012-06-21 | Mitsumi Electric Co Ltd | バックライト装置、該バックライト装置を備えた表示装置、及び、照明装置 |
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US9548021B2 (en) | 2012-06-01 | 2017-01-17 | Samsung Display Co., Ltd. | Method of driving light-source and display apparatus for performing the method |
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KR102008360B1 (ko) * | 2017-05-25 | 2019-08-07 | 온세미컨덕터코리아 주식회사 | Led 발광 장치의 구동 방법 |
KR102581457B1 (ko) | 2018-07-05 | 2023-09-21 | 엘지이노텍 주식회사 | 광원 구동장치 및 그 방법 |
CN108983453B (zh) * | 2018-07-26 | 2021-11-05 | 武汉天马微电子有限公司 | 背光模组的检测装置、检测治具及显示模组 |
KR102193202B1 (ko) * | 2018-11-23 | 2020-12-18 | 문대식 | Led 구동 장치 제어 시스템 |
CN111986625A (zh) * | 2020-08-05 | 2020-11-24 | 深圳市华星光电半导体显示技术有限公司 | 背光驱动电路及显示装置 |
CN112967662B (zh) * | 2020-10-30 | 2022-05-13 | 重庆康佳光电技术研究院有限公司 | Led驱动方法、驱动装置 |
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-
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- 2009-01-22 JP JP2009011737A patent/JP2009212082A/ja active Pending
- 2009-02-10 CN CN2009100063565A patent/CN101527120B/zh not_active Expired - Fee Related
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Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074208B (zh) * | 2009-11-24 | 2013-11-06 | 乐金显示有限公司 | 液晶显示器及其局部调光控制方法 |
CN102074208A (zh) * | 2009-11-24 | 2011-05-25 | 乐金显示有限公司 | 液晶显示器及其局部调光控制方法 |
CN103209743A (zh) * | 2010-09-15 | 2013-07-17 | 艾夫迪斯齐尔德建公司 | 被照明的非接触式铙钹拾音器 |
CN103209743B (zh) * | 2010-09-15 | 2015-08-05 | 艾夫迪斯齐尔德建公司 | 被照明的非接触式铙钹拾音器 |
CN102438345A (zh) * | 2010-09-29 | 2012-05-02 | 力林科技股份有限公司 | 发光二极管的驱动电路及用于驱动电路的短路保护电路 |
CN102573205B (zh) * | 2010-12-23 | 2014-06-18 | 通嘉科技股份有限公司 | 集成电路、控制方法、与光源提供系统 |
CN102573205A (zh) * | 2010-12-23 | 2012-07-11 | 通嘉科技股份有限公司 | 集成电路、控制方法、与光源提供系统 |
CN102956210A (zh) * | 2011-08-26 | 2013-03-06 | 乐金显示有限公司 | 液晶显示器及其驱动方法 |
CN102956210B (zh) * | 2011-08-26 | 2015-04-01 | 乐金显示有限公司 | 液晶显示器及其驱动方法 |
CN103150983B (zh) * | 2011-12-07 | 2017-04-12 | 美格纳半导体有限公司 | 用于led阵列的短路的检测电路和led驱动设备 |
CN103150983A (zh) * | 2011-12-07 | 2013-06-12 | 美格纳半导体有限公司 | 用于led阵列的短路的检测电路和led驱动设备 |
CN102740567B (zh) * | 2012-07-04 | 2014-10-29 | 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 |
WO2014005340A1 (zh) * | 2012-07-04 | 2014-01-09 | 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 |
CN102740567A (zh) * | 2012-07-04 | 2012-10-17 | 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 |
US9001109B2 (en) | 2012-07-09 | 2015-04-07 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED backlight driving circuit, backlight module, and LCD device |
CN103295547A (zh) * | 2013-05-08 | 2013-09-11 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路及其驱动方法、液晶显示装置 |
CN103295547B (zh) * | 2013-05-08 | 2015-05-20 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路及其驱动方法、液晶显示装置 |
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WO2014180054A1 (zh) * | 2013-05-08 | 2014-11-13 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路及其驱动方法、液晶显示装置 |
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US9271361B2 (en) | 2013-05-28 | 2016-02-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight driving circuit, LCD device, and method for driving the backlight driving circuit |
CN109155120A (zh) * | 2016-03-21 | 2019-01-04 | Lg电子株式会社 | 图像显示设备 |
CN110933818A (zh) * | 2018-09-17 | 2020-03-27 | 英飞凌科技股份有限公司 | 具有led模块的电子电路 |
CN110933818B (zh) * | 2018-09-17 | 2024-03-19 | 英飞凌科技股份有限公司 | 具有led模块的电子电路 |
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CN101527120B (zh) | 2013-06-05 |
KR101473366B1 (ko) | 2014-12-17 |
JP2009212082A (ja) | 2009-09-17 |
US20090225021A1 (en) | 2009-09-10 |
KR20090095135A (ko) | 2009-09-09 |
US8363004B2 (en) | 2013-01-29 |
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