CN100504528C - 液晶显示器的反相器 - Google Patents
液晶显示器的反相器 Download PDFInfo
- Publication number
- CN100504528C CN100504528C CN03164980.7A CN03164980A CN100504528C CN 100504528 C CN100504528 C CN 100504528C CN 03164980 A CN03164980 A CN 03164980A CN 100504528 C CN100504528 C CN 100504528C
- Authority
- CN
- China
- Prior art keywords
- signal
- phase inverter
- time constant
- piece
- pulse
- 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
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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
- G09G3/36—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
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- 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
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020053226A KR100890023B1 (ko) | 2002-09-04 | 2002-09-04 | 액정 표시 장치용 인버터 장치 |
KR0053226/02 | 2002-09-04 | ||
KR0053226/2002 | 2002-09-04 | ||
KR1020020069084A KR100915356B1 (ko) | 2002-11-08 | 2002-11-08 | 액정 표시 장치용 인버터 장치 |
KR0069084/02 | 2002-11-08 | ||
KR0069084/2002 | 2002-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1499248A CN1499248A (zh) | 2004-05-26 |
CN100504528C true CN100504528C (zh) | 2009-06-24 |
Family
ID=31996276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03164980.7A Expired - Fee Related CN100504528C (zh) | 2002-09-04 | 2003-09-04 | 液晶显示器的反相器 |
Country Status (4)
Country | Link |
---|---|
US (3) | US7417616B2 (zh) |
JP (2) | JP4970704B2 (zh) |
CN (1) | CN100504528C (zh) |
TW (2) | TWI418249B (zh) |
Families Citing this family (54)
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WO2005104762A2 (en) * | 2004-04-28 | 2005-11-10 | Michael Krieger | Mobile power system |
JP2005316298A (ja) * | 2004-04-30 | 2005-11-10 | Nec Lcd Technologies Ltd | 液晶表示装置、該液晶表示装置に用いられる光源駆動回路及び光源駆動方法 |
TWI281772B (en) * | 2004-05-04 | 2007-05-21 | Beyond Innovation Tech Co Ltd | Synchronous operation device |
KR101090248B1 (ko) * | 2004-05-06 | 2011-12-06 | 삼성전자주식회사 | 칼럼 드라이버 및 이를 갖는 평판 표시 장치 |
JP4912597B2 (ja) * | 2004-07-13 | 2012-04-11 | パナソニック株式会社 | 液晶表示装置 |
KR101133755B1 (ko) | 2004-07-22 | 2012-04-09 | 삼성전자주식회사 | 표시 장치 및 표시 장치용 광원의 구동 장치 |
KR20060015202A (ko) * | 2004-08-13 | 2006-02-16 | 삼성전자주식회사 | 평판 표시 장치용 복사 패드와, 이를 갖는 백라이트어셈블리 및 평판 표시 장치 |
JP2006084710A (ja) * | 2004-09-15 | 2006-03-30 | Toshiba Matsushita Display Technology Co Ltd | 表示制御回路、表示制御方法、および液晶表示装置 |
JP4218625B2 (ja) * | 2004-10-22 | 2009-02-04 | 株式会社デンソー | 液晶ディスプレイの保護装置 |
KR101100881B1 (ko) * | 2004-11-04 | 2012-01-02 | 삼성전자주식회사 | 표시 장치용 광원의 구동 장치 및 표시 장치 |
KR20060054826A (ko) * | 2004-11-16 | 2006-05-23 | 삼성전자주식회사 | 반사 시트, 이를 백라이트 어셈블리 및 표시장치 |
CN101339743B (zh) * | 2004-11-19 | 2011-02-09 | 索尼株式会社 | 背光装置、驱动背光的方法以及液晶显示设备 |
JP4227961B2 (ja) * | 2005-01-11 | 2009-02-18 | 埼玉日本電気株式会社 | 携帯電話装置 |
US7598679B2 (en) * | 2005-02-03 | 2009-10-06 | O2Micro International Limited | Integrated circuit capable of synchronization signal detection |
EP1894447A2 (en) * | 2005-06-10 | 2008-03-05 | Nxp B.V. | A control device for controlling the output of one or more full-bridges |
TWI326067B (en) | 2005-06-29 | 2010-06-11 | Mstar Semiconductor Inc | Flat display device, controller, and method for displaying images |
US8674968B2 (en) | 2005-06-29 | 2014-03-18 | Mstar Semiconductor, Inc. | Touch sensing method and associated circuit |
CN100419521C (zh) * | 2005-08-04 | 2008-09-17 | 群康科技(深圳)有限公司 | 液晶显示器 |
US20070120807A1 (en) * | 2005-11-28 | 2007-05-31 | Shwang-Shi Bai | Display system with high motion picture quality and luminance control thereof |
US7746330B2 (en) * | 2005-12-22 | 2010-06-29 | Au Optronics Corporation | Circuit and method for improving image quality of a liquid crystal display |
KR100791841B1 (ko) * | 2006-03-10 | 2008-01-07 | 삼성전자주식회사 | 프레임 신호에 동기된 백라이트 신호를 발생하기 위한장치와 방법 |
WO2007120001A1 (en) * | 2006-04-18 | 2007-10-25 | Lg Innotek Co., Ltd | Pulse width modulation apparatus and apparatus for driving light source having the same |
EP1863006A1 (en) * | 2006-06-02 | 2007-12-05 | THOMSON Licensing | Method and circuit for controlling the backlight of a display apparatus |
KR101255267B1 (ko) | 2006-06-30 | 2013-04-15 | 엘지디스플레이 주식회사 | 램프 구동방법 및 장치 |
KR101204861B1 (ko) * | 2006-07-28 | 2012-11-26 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
CN101308634B (zh) * | 2007-05-16 | 2010-06-09 | 明基电通股份有限公司 | 显示系统 |
DE102007033471B4 (de) * | 2007-07-18 | 2011-09-22 | Austriamicrosystems Ag | Schaltungsanordnung und Verfahren zur Ansteuerung segmentierter LED-Hintergrundbeleuchtungen |
US9390659B2 (en) | 2007-07-18 | 2016-07-12 | Ams Ag | Circuit configuration and method for controlling particularly segmented LED background illumination |
KR101452975B1 (ko) * | 2008-02-21 | 2014-10-21 | 삼성디스플레이 주식회사 | 백라이트 제어 회로, 백라이트 장치 및 이를 이용한액정표시장치 |
US8288967B2 (en) * | 2008-03-21 | 2012-10-16 | Richtek Technology Corp. | LED control circuit and method |
US8068087B2 (en) * | 2008-05-29 | 2011-11-29 | Sharp Laboratories Of America, Inc. | Methods and systems for reduced flickering and blur |
KR101483627B1 (ko) * | 2008-07-29 | 2015-01-19 | 삼성디스플레이 주식회사 | 표시 장치 |
KR101497651B1 (ko) * | 2008-09-03 | 2015-03-06 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
KR101512054B1 (ko) * | 2008-12-08 | 2015-04-14 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치 |
KR101351408B1 (ko) * | 2008-12-18 | 2014-01-23 | 엘지디스플레이 주식회사 | 액정표시장치의 구동장치 및 그 구동방법 |
JP2010181654A (ja) * | 2009-02-05 | 2010-08-19 | Seiko Epson Corp | 表示装置,電子機器および表示装置の駆動方法 |
KR101404584B1 (ko) * | 2009-02-19 | 2014-06-11 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 및 그 백라이트 유닛의 구동방법 |
KR101056289B1 (ko) * | 2009-02-27 | 2011-08-11 | 삼성모바일디스플레이주식회사 | Dc― dc 컨버터 및 그를 이용한 유기전계발광표시장치 |
EP2500625A4 (en) * | 2009-11-10 | 2014-06-11 | Sharp Kk | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER |
US20130002963A1 (en) * | 2010-03-25 | 2013-01-03 | Masashi Yokota | Display device and television receiver |
JP5610556B2 (ja) * | 2011-05-25 | 2014-10-22 | Necディスプレイソリューションズ株式会社 | 表示装置及び光情報検出方法 |
CN102890905B (zh) * | 2011-07-20 | 2015-04-01 | 联咏科技股份有限公司 | 栅极驱动器及相关的显示装置 |
US20130044085A1 (en) * | 2011-08-16 | 2013-02-21 | Poshen Lin | Liquid crystal panel driving circuit and liquid crystal display Device Using the Same |
KR101981281B1 (ko) * | 2011-11-03 | 2019-05-23 | 삼성디스플레이 주식회사 | 유기 전계 발광 표시 장치 |
KR101966393B1 (ko) * | 2011-11-18 | 2019-04-08 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
TWI444965B (zh) * | 2011-12-30 | 2014-07-11 | Au Optronics Corp | 閘極高電壓產生器及顯示模組 |
US9269306B2 (en) * | 2013-03-29 | 2016-02-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight driving circuit, LCD device, and method for driving the backlight driving circuit |
CN103928010A (zh) * | 2014-05-04 | 2014-07-16 | 深圳市华星光电技术有限公司 | 用于驱动液晶面板的数据驱动电路及液晶面板的驱动方法 |
CN107276565B (zh) * | 2017-06-13 | 2020-10-16 | 中国科学院上海高等研究院 | 一种占空比调节电路及其实现方法 |
JP6702284B2 (ja) * | 2017-09-05 | 2020-06-03 | 株式会社デンソー | 液晶パネルの駆動回路および液晶表示装置 |
CN109410880B (zh) * | 2018-12-20 | 2020-09-08 | 深圳市华星光电半导体显示技术有限公司 | 显示面板驱动电路 |
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TWI695585B (zh) | 2019-07-31 | 2020-06-01 | 力林科技股份有限公司 | 脈波寬度調變控制電路以及脈波寬度調變信號的控制方法 |
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JPS60159882A (ja) * | 1984-01-31 | 1985-08-21 | 松下電器産業株式会社 | 透過形画像表示装置の背面照明用光源装置 |
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JPH0980377A (ja) | 1995-09-07 | 1997-03-28 | Toshiba Corp | 画像表示装置の調光装置 |
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JPH1073801A (ja) * | 1996-09-02 | 1998-03-17 | Nec Home Electron Ltd | 液晶表示装置 |
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JP2000111873A (ja) | 1998-10-08 | 2000-04-21 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
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JP2001166278A (ja) | 1999-12-06 | 2001-06-22 | Matsushita Electric Ind Co Ltd | 液晶表示装置用バックライト制御装置 |
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JP2001215889A (ja) | 2000-01-31 | 2001-08-10 | Fujitsu Ltd | 表示装置のバックライト制御装置 |
JP2002056996A (ja) | 2000-08-11 | 2002-02-22 | Nippon Avionics Co Ltd | 液晶バックライト調光方式 |
JP2002091388A (ja) | 2000-09-13 | 2002-03-27 | Toshiba Corp | 液晶表示装置 |
JP2002100496A (ja) * | 2000-09-26 | 2002-04-05 | Sanyo Electric Co Ltd | 平面ランプの調光装置 |
JP2002123226A (ja) * | 2000-10-12 | 2002-04-26 | Hitachi Ltd | 液晶表示装置 |
JP3638123B2 (ja) | 2000-10-27 | 2005-04-13 | シャープ株式会社 | 表示モジュール |
JP4895450B2 (ja) * | 2000-11-10 | 2012-03-14 | 三星電子株式会社 | 液晶表示装置及びその駆動装置と方法 |
JP4210040B2 (ja) | 2001-03-26 | 2009-01-14 | パナソニック株式会社 | 画像表示装置および方法 |
JP4123766B2 (ja) | 2001-12-06 | 2008-07-23 | 松下電器産業株式会社 | 調光制御装置 |
TW575849B (en) * | 2002-01-18 | 2004-02-11 | Chi Mei Optoelectronics Corp | Thin film transistor liquid crystal display capable of adjusting its light source |
KR100494707B1 (ko) * | 2002-03-20 | 2005-06-13 | 비오이 하이디스 테크놀로지 주식회사 | 표시 장치에 사용되는 저잡음의 백라이트 시스템 및 이를구동하는 방법 |
-
2003
- 2003-09-04 US US10/656,696 patent/US7417616B2/en not_active Expired - Fee Related
- 2003-09-04 CN CN03164980.7A patent/CN100504528C/zh not_active Expired - Fee Related
- 2003-09-04 TW TW092124484A patent/TWI418249B/zh not_active IP Right Cessation
- 2003-09-04 JP JP2003312624A patent/JP4970704B2/ja not_active Expired - Fee Related
- 2003-09-04 TW TW099110268A patent/TWI396469B/zh not_active IP Right Cessation
-
2008
- 2008-04-24 US US12/108,951 patent/US8723780B2/en not_active Expired - Fee Related
-
2010
- 2010-06-28 JP JP2010146704A patent/JP5635313B2/ja not_active Expired - Fee Related
-
2014
- 2014-05-12 US US14/275,521 patent/US9082369B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US9082369B2 (en) | 2015-07-14 |
TWI418249B (zh) | 2013-12-01 |
US7417616B2 (en) | 2008-08-26 |
US8723780B2 (en) | 2014-05-13 |
JP5635313B2 (ja) | 2014-12-03 |
CN1499248A (zh) | 2004-05-26 |
TW200405765A (en) | 2004-04-01 |
JP2010287575A (ja) | 2010-12-24 |
US20080198183A1 (en) | 2008-08-21 |
US20140247205A1 (en) | 2014-09-04 |
JP4970704B2 (ja) | 2012-07-11 |
JP2004126567A (ja) | 2004-04-22 |
TW201031270A (en) | 2010-08-16 |
TWI396469B (zh) | 2013-05-11 |
US20040056825A1 (en) | 2004-03-25 |
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