TWI369524B - Liquid crystal display and device of driving light source therefor - Google Patents

Liquid crystal display and device of driving light source therefor

Info

Publication number
TWI369524B
TWI369524B TW093137613A TW93137613A TWI369524B TW I369524 B TWI369524 B TW I369524B TW 093137613 A TW093137613 A TW 093137613A TW 93137613 A TW93137613 A TW 93137613A TW I369524 B TWI369524 B TW I369524B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
light source
crystal display
driving light
source therefor
Prior art date
Application number
TW093137613A
Other languages
English (en)
Other versions
TW200523616A (en
Inventor
Sang-Yong Lee
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 TW200523616A publication Critical patent/TW200523616A/zh
Application granted granted Critical
Publication of TWI369524B publication Critical patent/TWI369524B/zh

Links

Classifications

    • 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
    • H05B41/26—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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
TW093137613A 2003-12-04 2004-12-06 Liquid crystal display and device of driving light source therefor TWI369524B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030087591A KR101046921B1 (ko) 2003-12-04 2003-12-04 액정 표시 장치 및 표시 장치용 광원의 구동 장치

Publications (2)

Publication Number Publication Date
TW200523616A TW200523616A (en) 2005-07-16
TWI369524B true TWI369524B (en) 2012-08-01

Family

ID=34709218

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093137613A TWI369524B (en) 2003-12-04 2004-12-06 Liquid crystal display and device of driving light source therefor

Country Status (4)

Country Link
US (1) US7411357B2 (zh)
JP (1) JP4625688B2 (zh)
KR (1) KR101046921B1 (zh)
TW (1) TWI369524B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI254270B (en) * 2004-01-15 2006-05-01 Hon Hai Prec Ind Co Ltd Lighting apparatus formed by serially driving lighting units
US7309964B2 (en) * 2004-10-01 2007-12-18 Au Optronics Corporation Floating drive circuit for cold cathode fluorescent lamp
JP2006134663A (ja) * 2004-11-04 2006-05-25 Funai Electric Co Ltd 冷陰極管駆動回路
JP2006244728A (ja) * 2005-02-28 2006-09-14 Nec Lcd Technologies Ltd 冷陰極管点灯装置、該冷陰極管点灯装置に用いられる駆動方法及び集積回路
KR101130572B1 (ko) * 2005-06-28 2012-03-30 엘지디스플레이 주식회사 액정표시장치용 형광램프 구동장치
KR100624515B1 (ko) * 2005-09-29 2006-09-15 정연강 플라즈마 방전형 램프용 트랜스의 구조 및 이에 대한제조방법
KR101147181B1 (ko) * 2005-11-17 2012-05-25 삼성전자주식회사 인버터 회로, 백라이트 장치 및 그것을 이용한액정표시장치
KR101242124B1 (ko) * 2005-11-30 2013-03-12 삼성디스플레이 주식회사 백 라이트 어셈블리 및 그것을 구비한 액정 표시 장치
US7834559B2 (en) * 2006-02-16 2010-11-16 Logah Technology Corp. Lamp circuit of liquid crystal device backlight source
KR20090061994A (ko) * 2007-12-12 2009-06-17 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
RU2446642C1 (ru) * 2008-04-03 2012-03-27 Шарп Кабусики Кайся Схема инвертора, устройство подсветки и устройство отображения

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3293592B2 (ja) * 1999-06-11 2002-06-17 日本電気株式会社 液晶表示装置とそのバックライトの点灯方法
US6320329B1 (en) * 1999-07-30 2001-11-20 Philips Electronics North America Corporation Modular high frequency ballast architecture
KR100350014B1 (ko) * 2000-04-15 2002-08-24 주식회사 광운디스플레이기술 외부전극 형광램프를 포함하는 백라이트 및 그 구동방법
JP4023079B2 (ja) * 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置
JP2002175891A (ja) * 2000-12-08 2002-06-21 Advanced Display Inc 多灯式バックライト用インバータ
JP2002305881A (ja) * 2001-04-02 2002-10-18 Nec Tokin Corp インバータ回路
KR100857848B1 (ko) * 2002-05-17 2008-09-10 삼성전자주식회사 백라이트 어셈블리와 이의 구동 방법과 이를 갖는 액정 표시 장치
KR100892584B1 (ko) * 2002-08-26 2009-04-08 삼성전자주식회사 전원공급장치와 이를 갖는 백라이트 어셈블리 및 액정표시 장치
US7095392B2 (en) * 2003-02-07 2006-08-22 02Micro International Limited Inverter controller with automatic brightness adjustment circuitry
US6936975B2 (en) * 2003-04-15 2005-08-30 02Micro International Limited Power supply for an LCD panel
KR100552903B1 (ko) * 2003-06-03 2006-02-22 엘지.필립스 엘시디 주식회사 액정표시장치의 램프 구동장치
US7187139B2 (en) * 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system

Also Published As

Publication number Publication date
KR101046921B1 (ko) 2011-07-06
US7411357B2 (en) 2008-08-12
JP4625688B2 (ja) 2011-02-02
KR20050054242A (ko) 2005-06-10
JP2005168293A (ja) 2005-06-23
US20050146291A1 (en) 2005-07-07
TW200523616A (en) 2005-07-16

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees