FR2887643B1 - Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant. - Google Patents

Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant.

Info

Publication number
FR2887643B1
FR2887643B1 FR0605756A FR0605756A FR2887643B1 FR 2887643 B1 FR2887643 B1 FR 2887643B1 FR 0605756 A FR0605756 A FR 0605756A FR 0605756 A FR0605756 A FR 0605756A FR 2887643 B1 FR2887643 B1 FR 2887643B1
Authority
FR
France
Prior art keywords
liquid crystal
display device
same
crystal display
backlight unit
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.)
Expired - Fee Related
Application number
FR0605756A
Other languages
English (en)
Other versions
FR2887643A1 (fr
Inventor
Ju Young Bang
Myung Gi Jang
Hee Jeong Park
Gil Won Han
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 FR2887643A1 publication Critical patent/FR2887643A1/fr
Application granted granted Critical
Publication of FR2887643B1 publication Critical patent/FR2887643B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
FR0605756A 2005-06-28 2006-06-27 Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant. Expired - Fee Related FR2887643B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050056582A KR101203519B1 (ko) 2005-06-28 2005-06-28 백라이트 및 이를 구비한 액정표시장치

Publications (2)

Publication Number Publication Date
FR2887643A1 FR2887643A1 (fr) 2006-12-29
FR2887643B1 true FR2887643B1 (fr) 2012-08-17

Family

ID=36803916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0605756A Expired - Fee Related FR2887643B1 (fr) 2005-06-28 2006-06-27 Unite de retroeclairage et dispositif d'affichage a cristaux liquides l'utilisant.

Country Status (6)

Country Link
US (1) US8004631B2 (fr)
JP (1) JP4499692B2 (fr)
KR (1) KR101203519B1 (fr)
CN (1) CN1892356B (fr)
FR (1) FR2887643B1 (fr)
GB (1) GB2427744B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101165840B1 (ko) * 2005-06-09 2012-07-13 엘지디스플레이 주식회사 백라이트유닛과 이를 이용한 액정표시장치
GB2447443A (en) * 2007-03-05 2008-09-17 Sharp Kk Backlight and display
EP2470947B1 (fr) * 2009-08-27 2016-03-30 LG Electronics Inc. Ensemble optique, unité de rétro-éclairage et appareil d'affichage de ceux-ci
USRE47656E1 (en) 2009-08-27 2019-10-22 Lg Electronics Inc. Optical assembly, backlight unit and display apparatus thereof
EP4080275A1 (fr) 2011-04-04 2022-10-26 LG Innotek Co., Ltd. Appareil d'éclairage
KR101357583B1 (ko) * 2011-07-29 2014-02-05 엘지이노텍 주식회사 조명장치 및 이를 이용한 액정표시장치
JP6265055B2 (ja) * 2014-01-14 2018-01-24 ソニー株式会社 発光装置、表示装置および照明装置
KR20160145878A (ko) * 2015-06-10 2016-12-21 삼성디스플레이 주식회사 액정 표시 장치
JP6704786B2 (ja) 2016-05-18 2020-06-03 株式会社ジャパンディスプレイ 表示装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5639158A (en) * 1994-08-19 1997-06-17 Nec Corporation Led-array light source
JP2000216437A (ja) 1998-11-20 2000-08-04 Kano Densan Hongkong Yugenkoshi 照明装置、照明装置を有する表示装置、表示装置用照明装置並びに電子機器
JP2001215501A (ja) * 2000-02-02 2001-08-10 Fuji Photo Film Co Ltd 照明装置および液晶表示装置
JP2002098958A (ja) * 2000-09-21 2002-04-05 Seiko Epson Corp 液晶装置及び液晶装置用シート
JP4397394B2 (ja) * 2003-01-24 2010-01-13 ディジタル・オプティクス・インターナショナル・コーポレイション 高密度照明システム
JP2004311353A (ja) * 2003-04-10 2004-11-04 Advanced Display Inc 面状光源装置および該装置を用いた液晶表示装置
US6974229B2 (en) * 2003-05-21 2005-12-13 Lumileds Lighting U.S., Llc Devices for creating brightness profiles
JP4601269B2 (ja) * 2003-07-14 2010-12-22 株式会社 日立ディスプレイズ 液晶表示装置及びその製造方法
JP4256738B2 (ja) * 2003-07-23 2009-04-22 三菱電機株式会社 面状光源装置および該装置を用いる表示装置
KR100574366B1 (ko) * 2003-12-08 2006-04-27 엘지.필립스 엘시디 주식회사 액정표시모듈
JP2005249942A (ja) * 2004-03-02 2005-09-15 Hitachi Displays Ltd 表示装置
CN100487538C (zh) 2004-04-15 2009-05-13 友达光电股份有限公司 背光组件
TWI314232B (en) * 2004-05-28 2009-09-01 Epistar Corp A second light-guided planar light source device
JP4543813B2 (ja) * 2004-08-04 2010-09-15 ソニー株式会社 バックライト装置及びこのバックライト装置を備えた液晶表示装置
KR100677135B1 (ko) * 2004-09-25 2007-02-02 삼성전자주식회사 측 발광 디바이스 및 이를 광원으로 사용하는 백라이트유닛 및 이를 채용한 액정표시장치
KR101167301B1 (ko) * 2004-10-30 2012-07-19 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛
KR101197046B1 (ko) * 2005-01-26 2012-11-06 삼성디스플레이 주식회사 발광다이오드를 사용하는 2차원 광원 및 이를 이용한 액정표시 장치
KR100644684B1 (ko) * 2005-02-26 2006-11-14 삼성전자주식회사 직선형 측 발광기 및 이를 채용한 백라이트 시스템 및 액정표시장치
CN1847949A (zh) * 2005-04-15 2006-10-18 鸿富锦精密工业（深圳）有限公司 直下式背光模组
KR101134302B1 (ko) * 2005-06-30 2012-04-13 엘지디스플레이 주식회사 액정표시장치용 커버버툼 및 이를 이용한 발광다이오드백라이트어셈블리와 액정표시장치모듈

Also Published As

Publication number Publication date
US20060290840A1 (en) 2006-12-28
FR2887643A1 (fr) 2006-12-29
KR101203519B1 (ko) 2012-11-22
GB2427744B (en) 2008-03-26
GB2427744A (en) 2007-01-03
GB0612646D0 (en) 2006-08-02
JP4499692B2 (ja) 2010-07-07
CN1892356B (zh) 2010-12-15
KR20070000912A (ko) 2007-01-03
CN1892356A (zh) 2007-01-10
US8004631B2 (en) 2011-08-23
JP2007011359A (ja) 2007-01-18

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