CN100434981C - 液晶显示器的环流器电流控制装置 - Google Patents

液晶显示器的环流器电流控制装置 Download PDF

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Publication number
CN100434981C
CN100434981C CNB2006101068331A CN200610106833A CN100434981C CN 100434981 C CN100434981 C CN 100434981C CN B2006101068331 A CNB2006101068331 A CN B2006101068331A CN 200610106833 A CN200610106833 A CN 200610106833A CN 100434981 C CN100434981 C CN 100434981C
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CN
China
Prior art keywords
mentioned
resistance
circulator
frequency
voltage
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Expired - Fee Related
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CNB2006101068331A
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English (en)
Chinese (zh)
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CN1896815A (zh
Inventor
張源基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Nanjing Display Co Ltd
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LG Electronics Nanjing Display Co Ltd
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Publication of CN1896815A publication Critical patent/CN1896815A/zh
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Publication of CN100434981C publication Critical patent/CN100434981C/zh
Expired - Fee Related legal-status Critical Current
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    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • 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
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/025—Reduction of instantaneous peaks of current

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CNB2006101068331A 2005-08-31 2006-07-31 液晶显示器的环流器电流控制装置 Expired - Fee Related CN100434981C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020050081022A KR100854840B1 (ko) 2005-08-31 2005-08-31 액정표시기의 인버터 전류 제어 장치
KR10-2005-0081022 2005-08-31
KR1020050081022 2005-08-31

Publications (2)

Publication Number Publication Date
CN1896815A CN1896815A (zh) 2007-01-17
CN100434981C true CN100434981C (zh) 2008-11-19

Family

ID=37609362

Family Applications (1)

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CNB2006101068331A Expired - Fee Related CN100434981C (zh) 2005-08-31 2006-07-31 液晶显示器的环流器电流控制装置

Country Status (2)

Country Link
KR (1) KR100854840B1 (ko)
CN (1) CN100434981C (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100020326A (ko) 2008-08-12 2010-02-22 삼성전자주식회사 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치
CN102646400B (zh) * 2011-08-15 2013-12-18 北京京东方光电科技有限公司 一种显示器驱动电路、驱动方法及液晶显示装置
CN103093727B (zh) * 2013-01-23 2015-11-18 深圳创维－Rgb电子有限公司 背光控制信号调整方法和装置
KR102258239B1 (ko) 2013-11-12 2021-06-02 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시장치
CN108446008B (zh) * 2018-02-27 2021-08-10 晶晨半导体(上海)股份有限公司 一种分级调频调压的动态响应调节方法
WO2021238362A1 (zh) * 2020-05-26 2021-12-02 海信视像科技股份有限公司 显示设备
CN114677978B (zh) * 2022-04-01 2022-09-20 北京芯格诺微电子有限公司 应对帧同步信号切换导致亮度异常的led背光驱动方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002008881A (ja) * 2000-06-28 2002-01-11 Osram-Melco Ltd 密閉形照明器具及び照明器具
CN1458547A (zh) * 2002-05-17 2003-11-26 三星电子株式会社 背后照明设备、其驱动方法、及配有该设备的液晶显示器
CN1495488A (zh) * 2002-07-22 2004-05-12 ���ǵ�����ʽ���� 液晶显示器及为其驱动光源的装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100382158B1 (ko) * 2000-10-20 2003-05-01 주식회사 지엘디 플라즈마 방전형 플랫 백라이트의 구동회로
KR100943715B1 (ko) * 2003-04-21 2010-02-23 삼성전자주식회사 전원 공급 장치, 액정 표시 장치 및 그 구동 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002008881A (ja) * 2000-06-28 2002-01-11 Osram-Melco Ltd 密閉形照明器具及び照明器具
CN1458547A (zh) * 2002-05-17 2003-11-26 三星电子株式会社 背后照明设备、其驱动方法、及配有该设备的液晶显示器
CN1495488A (zh) * 2002-07-22 2004-05-12 ���ǵ�����ʽ���� 液晶显示器及为其驱动光源的装置

Also Published As

Publication number Publication date
CN1896815A (zh) 2007-01-17
KR100854840B1 (ko) 2008-08-27
KR20070025176A (ko) 2007-03-08

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