TW200615884A - Display device and driving device of light source therefor - Google Patents

Display device and driving device of light source therefor

Info

Publication number
TW200615884A
TW200615884A TW094128190A TW94128190A TW200615884A TW 200615884 A TW200615884 A TW 200615884A TW 094128190 A TW094128190 A TW 094128190A TW 94128190 A TW94128190 A TW 94128190A TW 200615884 A TW200615884 A TW 200615884A
Authority
TW
Taiwan
Prior art keywords
voltage
light source
driving device
driving
switching unit
Prior art date
Application number
TW094128190A
Other languages
English (en)
Inventor
Hyeon-Yong Jang
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200615884A publication Critical patent/TW200615884A/zh

Links

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
    • H05B41/2825—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 bridge converter in the final stage
    • H05B41/2828—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 bridge converter in the final stage using control circuits for the switching elements
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW094128190A 2004-11-04 2005-08-18 Display device and driving device of light source therefor TW200615884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040089245A KR101100881B1 (ko) 2004-11-04 2004-11-04 표시 장치용 광원의 구동 장치 및 표시 장치

Publications (1)

Publication Number Publication Date
TW200615884A true TW200615884A (en) 2006-05-16

Family

ID=36261040

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094128190A TW200615884A (en) 2004-11-04 2005-08-18 Display device and driving device of light source therefor

Country Status (5)

Country Link
US (1) US7365500B2 (zh)
JP (2) JP2006134856A (zh)
KR (1) KR101100881B1 (zh)
CN (1) CN1770227B (zh)
TW (1) TW200615884A (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2882870B1 (fr) * 2005-03-01 2007-08-10 Thales Sa Oscillateur de royer a electronique de decharge
KR101255509B1 (ko) * 2006-06-30 2013-04-16 엘지디스플레이 주식회사 램프 구동방법 및 장치
CN201025575Y (zh) * 2006-08-04 2008-02-20 鸿富锦精密工业（深圳）有限公司 光源驱动装置
KR101311630B1 (ko) 2006-10-12 2013-09-26 엘지디스플레이 주식회사 액정표시소자의 구동 장치 및 방법
CN101175359B (zh) * 2006-10-30 2011-11-30 鸿富锦精密工业（深圳）有限公司 电子镇流器
JP2008236885A (ja) * 2007-03-20 2008-10-02 Rohm Co Ltd インバータ装置ならびにそれを用いた電源装置、発光装置および画像表示装置
CN101583228B (zh) * 2008-05-16 2012-10-03 国琏电子（上海）有限公司 灯管控制系统
JP5600456B2 (ja) 2009-05-19 2014-10-01 ローム株式会社 発光ダイオードの駆動回路およびそれを用いた発光装置およびディスプレイ装置、駆動回路の保護方法
CN101894530B (zh) * 2009-05-19 2015-05-06 罗姆股份有限公司 驱动电路及其保护方法、发光装置及显示器装置
TWI429319B (zh) * 2009-05-29 2014-03-01 Lg Innotek Co Ltd 發光二極體驅動裝置
US20110101885A1 (en) * 2009-11-02 2011-05-05 Eric Yang Led backlight circuit for lcd panels
FR2976150B1 (fr) 2011-06-01 2013-06-14 Thales Sa Dispositif de commande de diodes electroluminescentes a tres grande dynamique de luminance pour ecran de visualisation
US9755641B1 (en) * 2014-01-10 2017-09-05 Reno Technologies, Inc. High speed high voltage switching circuit

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ201203A (en) * 1981-07-28 1985-08-30 Lee Electric Lighting Arc lamp supply:fet bridge inverter powered by constant current source
JPS63249474A (ja) * 1987-04-03 1988-10-17 Matsushita Electric Works Ltd インバ−タ用制御装置
JPH0750876Y2 (ja) * 1988-10-07 1995-11-15 松下電工株式会社 インバータ装置
JPH0349192A (ja) * 1989-07-17 1991-03-01 Kyoshin Denki Seisakusho:Kk 放電灯の点灯装置
US5173643A (en) * 1990-06-25 1992-12-22 Lutron Electronics Co., Inc. Circuit for dimming compact fluorescent lamps
JPH04120118U (ja) * 1991-04-03 1992-10-27 スタンレー電気株式会社 スイツチングレギユレータ
US5317497A (en) * 1992-05-18 1994-05-31 Loctite Luminescent Systems, Inc. Internally excited, controlled transformer saturation, inverter circuitry
US5583402A (en) * 1994-01-31 1996-12-10 Magnetek, Inc. Symmetry control circuit and method
US6002213A (en) * 1995-10-05 1999-12-14 International Rectifier Corporation MOS gate driver circuit with analog input and variable dead time band
JPH10112396A (ja) * 1996-10-08 1998-04-28 Taiyo Yuden Co Ltd 放電灯点灯装置
US6794831B2 (en) * 1998-04-15 2004-09-21 Talking Lights Llc Non-flickering illumination based communication
US6064579A (en) * 1998-06-15 2000-05-16 Northrop Grumman Corporation Shifted drive inverter for multiple loads
JP2002044957A (ja) * 2000-07-26 2002-02-08 Matsushita Electric Works Ltd インバータ装置
US6531835B2 (en) * 2000-12-18 2003-03-11 Ambit Microsystems Corporation Back lighting source module for liquid crystal display
JP3494154B2 (ja) * 2001-03-12 2004-02-03 日産自動車株式会社 パワートランジスタの駆動用電源回路
JP2003086392A (ja) * 2001-09-11 2003-03-20 Toshiba Lighting & Technology Corp 放電ランプ点灯装置、照明器具および調光照明システム
TWI418249B (zh) * 2002-09-04 2013-12-01 Samsung Display Co Ltd 液晶顯示器之換流器

Also Published As

Publication number Publication date
US20060091820A1 (en) 2006-05-04
JP2011124234A (ja) 2011-06-23
CN1770227B (zh) 2010-05-05
KR101100881B1 (ko) 2012-01-02
US7365500B2 (en) 2008-04-29
JP2006134856A (ja) 2006-05-25
CN1770227A (zh) 2006-05-10
KR20060040057A (ko) 2006-05-10

Similar Documents

Publication Publication Date Title
TW200615884A (en) Display device and driving device of light source therefor
TW200639787A (en) Display device and driving method thereof
WO2009014344A3 (en) Backlight and liquid crystal display device
WO2007117057A3 (en) Display system and power control method thereof
EP1962263A3 (en) Backlight unit, liquid crystal display device having the same and control method thereof
TW200500699A (en) Liquid crystal display
TW200710793A (en) Display device and driving method thereof
TW200710781A (en) Display driver
TW200737070A (en) Voltage controlled backlight driver
TW200709150A (en) Display device using enhanced gate driver
TW200518632A (en) Power supply system and liquid crystal display device having the same
TW200712640A (en) Apparatus for driving a flat panel display and repair flat panel display signal line
WO2009147595A3 (en) Ambient illumination system, display device and method of generating an illumination variation and method of providing a data service
TW200630949A (en) Driving apparatus for liquid crystal display and liquid crystal display including the same
TW200501538A (en) Power device and liquid crystal display device using the same
TW200643857A (en) Liquid crystal display, backlight module and lamp driving apparatus thereof
TW200613832A (en) Module and method for controlling a backlight module and lcd for thereof
WO2011143136A3 (en) Ac battery employing magistor technology
TW200721072A (en) Power supply control circuit of display device
EP2242171A3 (en) Power supply unit and organic light emitting display device using the same
TW200745997A (en) Light driving device
TW200701589A (en) Apparatus for supplying power source
TW200744041A (en) System for displaying image and driving method for liquid crystal displaying device
TW200725527A (en) A liquid crystal display device and a method for driving the same
TW200605017A (en) Liquid crystal display device