FR2872594B1 - Unite de retroeclairage et dispositif d'affichage a cristaux liquides munie d'une telle unite de retroeclairage - Google Patents

Unite de retroeclairage et dispositif d'affichage a cristaux liquides munie d'une telle unite de retroeclairage

Info

Publication number
FR2872594B1
FR2872594B1 FR0506449A FR0506449A FR2872594B1 FR 2872594 B1 FR2872594 B1 FR 2872594B1 FR 0506449 A FR0506449 A FR 0506449A FR 0506449 A FR0506449 A FR 0506449A FR 2872594 B1 FR2872594 B1 FR 2872594B1
Authority
FR
France
Prior art keywords
backlight unit
liquid crystal
display device
crystal display
device provided
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.)
Active
Application number
FR0506449A
Other languages
English (en)
Other versions
FR2872594A1 (fr
Inventor
Hee Jung Hong
Kyung Joon Kwon
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 Display Co Ltd
Original Assignee
LG Philips LCD 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 Philips LCD Co Ltd filed Critical LG Philips LCD Co Ltd
Publication of FR2872594A1 publication Critical patent/FR2872594A1/fr
Application granted granted Critical
Publication of FR2872594B1 publication Critical patent/FR2872594B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
    • F16L17/025—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket the sealing rings having radially directed ribs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133613—Direct backlight characterized by the sequence of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fluid Mechanics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
FR0506449A 2004-05-27 2005-06-24 Unite de retroeclairage et dispositif d'affichage a cristaux liquides munie d'une telle unite de retroeclairage Active FR2872594B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040037769A KR100619627B1 (ko) 2004-05-27 2004-05-27 액정표시장치의 휘도 제어 장치 및 방법

Publications (2)

Publication Number Publication Date
FR2872594A1 FR2872594A1 (fr) 2006-01-06
FR2872594B1 true FR2872594B1 (fr) 2007-01-19

Family

ID=35455174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0506449A Active FR2872594B1 (fr) 2004-05-27 2005-06-24 Unite de retroeclairage et dispositif d'affichage a cristaux liquides munie d'une telle unite de retroeclairage

Country Status (6)

Country Link
US (1) US7768495B2 (fr)
JP (1) JP4516480B2 (fr)
KR (1) KR100619627B1 (fr)
CN (1) CN100361009C (fr)
DE (1) DE102005024121B4 (fr)
FR (1) FR2872594B1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003303353A1 (en) * 2002-12-30 2004-07-22 Koninklijke Philips Electronics N.V. Optical display driving method
US7956838B2 (en) 2005-01-25 2011-06-07 Sharp Kabushiki Kaisha Display device, instrument panel, automatic vehicle, and method of driving display device
KR101192779B1 (ko) * 2005-12-29 2012-10-18 엘지디스플레이 주식회사 액정 표시장치의 구동장치 및 구동방법
JP4951973B2 (ja) * 2006-01-10 2012-06-13 ソニー株式会社 表示装置及び表示方法
KR100831369B1 (ko) * 2006-06-09 2008-05-21 삼성전자주식회사 표시장치용 백라이트장치 및 그 밝기조절방법
KR101279117B1 (ko) * 2006-06-30 2013-06-26 엘지디스플레이 주식회사 유기발광다이오드 표시소자 및 그의 구동 방법
JP5256552B2 (ja) * 2006-07-10 2013-08-07 Ｎｌｔテクノロジー株式会社 液晶表示装置、該液晶表示装置に用いられる駆動制御回路及び駆動方法
JP5175504B2 (ja) * 2006-10-10 2013-04-03 三洋電機株式会社 投写型映像表示装置
KR20080043537A (ko) * 2006-11-14 2008-05-19 삼성에스디아이 주식회사 발광 장치 및 표시 장치
KR101327835B1 (ko) 2006-12-28 2013-11-11 엘지디스플레이 주식회사 액정 표시장치의 구동장치와 그 구동방법
CN101325038B (zh) * 2007-06-15 2010-05-26 群康科技(深圳)有限公司 液晶显示器及其驱动方法
KR101512047B1 (ko) * 2008-08-13 2015-04-16 삼성디스플레이 주식회사 광원 로컬 구동 방법, 이를 수행하기 위한 광원 장치 및 이광원 장치를 포함하는 표시 장치
KR101622649B1 (ko) 2009-12-18 2016-05-20 엘지디스플레이 주식회사 액정 표시장치의 구동장치와 그 구동방법
US9993142B2 (en) 2013-03-28 2018-06-12 Endochoice, Inc. Fluid distribution device for a multiple viewing elements endoscope
WO2017064584A1 (fr) * 2015-10-12 2017-04-20 Semiconductor Energy Laboratory Co., Ltd. Dispositif d'affichage et son procédé de pilotage
CN105448247A (zh) * 2016-01-04 2016-03-30 京东方科技集团股份有限公司 调制背光源的方法及装置、灯条、背光模组、显示装置

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3427636B2 (ja) * 1996-09-06 2003-07-22 オムロン株式会社 面光源装置及び液晶表示装置
JPH10162988A (ja) * 1996-11-28 1998-06-19 Canon Inc 照明装置
JPH11109317A (ja) * 1997-09-30 1999-04-23 Sony Corp 液晶表示装置
CN100432788C (zh) * 1998-07-24 2008-11-12 精工爱普生株式会社 显示装置
JP3766231B2 (ja) * 1999-05-10 2006-04-12 Ｎｅｃビューテクノロジー株式会社 液晶表示装置
TWI249630B (en) 1999-05-10 2006-02-21 Matsushita Electric Ind Co Ltd Image display device and method for displaying image
JP3688574B2 (ja) 1999-10-08 2005-08-31 シャープ株式会社 液晶表示装置および光源装置
JP3661758B2 (ja) 1999-10-22 2005-06-22 オムロン株式会社 信号伝送装置
JP3618066B2 (ja) 1999-10-25 2005-02-09 株式会社日立製作所 液晶表示装置
KR100442304B1 (ko) * 2000-07-07 2004-08-04 가부시끼가이샤 도시바 액정 표시 방법
JP3971892B2 (ja) 2000-09-08 2007-09-05 株式会社日立製作所 液晶表示装置
JP3523170B2 (ja) * 2000-09-21 2004-04-26 株式会社東芝 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
KR100726131B1 (ko) 2000-11-20 2007-06-12 엘지.필립스 엘시디 주식회사 시분할방식의 액정표시장치의 컬러영상표시 방법
KR100750917B1 (ko) * 2001-01-04 2007-08-22 삼성전자주식회사 휘도 레벨 제어 기능을 갖는 액정 표시 장치와 이의 구동방법 및 장치
JP2002258281A (ja) * 2001-03-01 2002-09-11 Furuno Electric Co Ltd 液晶ディスプレイ、輝度調整装置および表示装置
JP2002341347A (ja) * 2001-05-18 2002-11-27 Matsushita Electric Ind Co Ltd 液晶表示装置
KR100381423B1 (ko) * 2001-07-23 2003-04-26 삼성전자주식회사 휴대용 컴퓨터와 그 제어방법
KR100438522B1 (ko) 2001-08-21 2004-07-03 엘지.필립스 엘시디 주식회사 백라이트 유닛
CN100410994C (zh) * 2001-11-02 2008-08-13 夏普株式会社 图像显示装置
JP2003177727A (ja) * 2001-12-13 2003-06-27 Nec Viewtechnology Ltd 画像表示装置および光量調節方法
WO2003083820A1 (fr) 2002-03-28 2003-10-09 Matsushita Electric Industrial Co., Ltd. Dispositif d'affichage a cristaux liquides
JP2004054250A (ja) * 2002-05-29 2004-02-19 Matsushita Electric Ind Co Ltd 画像表示方法及びその装置
JP3935045B2 (ja) * 2002-10-18 2007-06-20 シャープ株式会社 照明装置、バックライト装置、液晶表示装置
KR101097584B1 (ko) * 2004-11-25 2011-12-22 엘지디스플레이 주식회사 액정표시장치의 휘도제어 장치 및 방법
JP2014065873A (ja) 2012-09-27 2014-04-17 Dic Corp ラジカル重合性化合物

Also Published As

Publication number Publication date
FR2872594A1 (fr) 2006-01-06
JP2005338848A (ja) 2005-12-08
KR100619627B1 (ko) 2006-09-08
US20060007100A1 (en) 2006-01-12
JP4516480B2 (ja) 2010-08-04
US7768495B2 (en) 2010-08-03
DE102005024121A1 (de) 2005-12-29
KR20050112643A (ko) 2005-12-01
CN100361009C (zh) 2008-01-09
CN1702519A (zh) 2005-11-30
DE102005024121B4 (de) 2009-08-20

Similar Documents

Publication Publication Date Title
FR2872594B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides munie d'une telle unite de retroeclairage
FR2895527B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant
FR2893426B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides utilisant celui-ci
FR2886442B1 (fr) Ensemble de retroeclairage pour dispositif d'affichage a cristaux liquides et dispositif d'affichage utilisant celui-ci
FR2887395B1 (fr) Dispositif d'affichage a cristaux liquides
GB2430071B (en) Backlight unit and liquid crystal display device having the same
TWI315418B (en) Backlight device and liquid crystal display device
TWI339760B (en) Backlight device and liquid crystal display device
EP1956288A4 (fr) Dispositif de rétroéclairage et afficheur à cristaux liquides
DE602005025389D1 (de) Flüssigkristallanzeigevorrichtung mit direkter weisser Rückbeleuchtung räumlich einheitlicher Farbmaßzahl
GB0422347D0 (en) Transflective liquid crystal display device
TWI369393B (en) Direct-underlying backlight type liquid crystal display device and light diffusing plate
FR2888030B1 (fr) Dispositif d'affichage a cristaux liquides
TWI341410B (en) A semi-transmission liquid crystal display device
GB0525342D0 (en) Light-emitting diode backlight assembly and liquid crystal display device using the same
FR2903203B1 (fr) Dispositif d'affichage a cristaux liquides
FR2903214B1 (fr) Dispositif d'affichage a cristaux liquides et ordinateur portable equipe de ce dernier.
EP1717512A4 (fr) Dispositif de retroeclairage et afficheur a cristaux liquides
TWI341415B (en) Backlight module and liquid crystal display device
FR2887995B1 (fr) Feuille prismatique, unite de retroeclairage utilisant celle-ci et dispositif d'affichage a cristaux liquides comportant l'unite de retroeclairage
TWI340274B (en) Backlight unit and liquid crystal display device
FR2856505B1 (fr) Dispositif d'affichage a cristaux liquides
FR2888003B1 (fr) Panneau d'affichage a cristaux liquides et structure de pixel
FR2887643B1 (fr) Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant.
GB2417819B (en) Backlight assembly and liquid crystal display using the same

Legal Events

Date Code Title Description
CD Change of name or company name
PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13