CN1892802A - 液晶显示装置用电源电路 - Google Patents

液晶显示装置用电源电路 Download PDF

Info

Publication number
CN1892802A
CN1892802A CNA2006101088759A CN200610108875A CN1892802A CN 1892802 A CN1892802 A CN 1892802A CN A2006101088759 A CNA2006101088759 A CN A2006101088759A CN 200610108875 A CN200610108875 A CN 200610108875A CN 1892802 A CN1892802 A CN 1892802A
Authority
CN
China
Prior art keywords
power
power supply
winding
supply
mentioned
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.)
Pending
Application number
CNA2006101088759A
Other languages
English (en)
Chinese (zh)
Inventor
宋炫承
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
Original Assignee
LG Electronics Nanjing Display Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Nanjing Display Co Ltd filed Critical LG Electronics Nanjing Display Co Ltd
Publication of CN1892802A publication Critical patent/CN1892802A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
CNA2006101088759A 2005-12-02 2006-08-17 液晶显示装置用电源电路 Pending CN1892802A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050116677A KR100677967B1 (ko) 2005-12-02 2005-12-02 액정표시장치용 전원공급회로
KR1020050116677 2005-12-02

Publications (1)

Publication Number Publication Date
CN1892802A true CN1892802A (zh) 2007-01-10

Family

ID=37597600

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006101088759A Pending CN1892802A (zh) 2005-12-02 2006-08-17 液晶显示装置用电源电路

Country Status (2)

Country Link
KR (1) KR100677967B1 (ko)
CN (1) CN1892802A (ko)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100953161B1 (ko) * 2003-07-07 2010-04-20 삼성전자주식회사 전원 공급 장치 및 이를 이용한 액정 표시 장치

Also Published As

Publication number Publication date
KR100677967B1 (ko) 2007-02-02

Similar Documents

Publication Publication Date Title
CN1278301C (zh) 用于提供电源的设备和具有该设备的液晶显示器
CN202168249U (zh) Led驱动电路
CN100342755C (zh) 用于lcd屏的电源
CN1770947A (zh) 低噪声半桥式直流/交流萤光灯驱动电路
CN102186291B (zh) 驱动电路结构
CN1808875A (zh) 用于驱动放电灯的dc到ac电能转换的方法和设备
CN1547686A (zh) 用于调光的冷阴极荧光灯的电子镇流器
CN1924648A (zh) 用于液晶显示屏的电源拓扑结构
CN1991961A (zh) 用于液晶显示器的混合背光驱动装置
CN1747307A (zh) 对于双端dc－ac变换器的ac电压输出幅度的控制
CN1575082A (zh) 用于异步脉宽调制驱动类型的液晶显示板的背光逆变器
CN1882210A (zh) 电源供应系统
US20070114952A1 (en) Light source driver circuit
CN1868110A (zh) 功率变换器
CN1449642A (zh) 用于液晶显示背面照明的电压馈电推挽式谐振逆变器
CN1882213A (zh) 具有反激转换器的多相输入调光镇流器及其方法
CN1575444A (zh) 单级功率因数校正+镇流器控制电路/通用功率转换器
CN1691869A (zh) 为冷阴极荧光灯供电的双端电路控制器和驱动器体系结构
CN101060746A (zh) 一种荧光灯驱动电源
CN1886021A (zh) 多灯管驱动系统
TW201243806A (en) Current-sharing backlight driving circuit for light-emitting diodes and method for operating the same
CN1892802A (zh) 液晶显示装置用电源电路
CN1386316A (zh) 电子换流器
CN2696271Y (zh) 市网高压供电的冷阴极荧光灯电源
CN103517504A (zh) 发光二极管驱动装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication