TW200712657A - Liquid crystal display device and backlight - Google Patents

Liquid crystal display device and backlight

Info

Publication number
TW200712657A
TW200712657A TW095122203A TW95122203A TW200712657A TW 200712657 A TW200712657 A TW 200712657A TW 095122203 A TW095122203 A TW 095122203A TW 95122203 A TW95122203 A TW 95122203A TW 200712657 A TW200712657 A TW 200712657A
Authority
TW
Taiwan
Prior art keywords
liquid crystal
crystal display
guide plate
light guide
light
Prior art date
Application number
TW095122203A
Other languages
English (en)
Other versions
TWI355534B (en
Inventor
Yoshiaki Takahashi
Masahiko Kurihara
Masayuki Mifune
Ken Kagabu
Original Assignee
Hitachi Displays Ltd
Hitachi Display Devices 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 Hitachi Displays Ltd, Hitachi Display Devices Ltd filed Critical Hitachi Displays Ltd
Publication of TW200712657A publication Critical patent/TW200712657A/zh
Application granted granted Critical
Publication of TWI355534B publication Critical patent/TWI355534B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of flexible or folded printed circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
TW095122203A 2005-07-08 2006-06-21 Liquid crystal display device and backlight TWI355534B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005200455A JP4664757B2 (ja) 2005-07-08 2005-07-08 液晶表示装置およびその照明装置

Publications (2)

Publication Number Publication Date
TW200712657A true TW200712657A (en) 2007-04-01
TWI355534B TWI355534B (en) 2012-01-01

Family

ID=37597381

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095122203A TWI355534B (en) 2005-07-08 2006-06-21 Liquid crystal display device and backlight

Country Status (5)

Country Link
US (1) US7570321B2 (zh)
JP (1) JP4664757B2 (zh)
KR (1) KR100829840B1 (zh)
CN (1) CN1892363B (zh)
TW (1) TWI355534B (zh)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI339292B (en) * 2005-12-12 2011-03-21 Au Optronics Corp Backliht module and liquid crystal display
TWI298410B (en) * 2005-12-23 2008-07-01 Au Optronics Corp Backlight module
TWI335467B (en) * 2006-09-29 2011-01-01 Chimei Innolux Corp Liquid crystal display device
TWM319423U (en) * 2007-03-05 2007-09-21 Innolux Display Corp Liquid crystal display
KR20080086636A (ko) * 2007-03-23 2008-09-26 엘지이노텍 주식회사 엘씨디 모듈
KR20080087411A (ko) * 2007-03-27 2008-10-01 삼성전자주식회사 백라이트 어셈블리, 이를 포함하는 표시 장치 및 이의 제조방법
KR101338991B1 (ko) * 2007-04-09 2013-12-09 엘지디스플레이 주식회사 액정표시장치
WO2008142871A1 (ja) * 2007-05-10 2008-11-27 Sharp Kabushiki Kaisha 照明装置およびそれを有する表示装置ならびにテレビ受信装置
KR101337072B1 (ko) * 2007-06-28 2013-12-05 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
CN201093372Y (zh) * 2007-08-31 2008-07-30 群康科技(深圳)有限公司 光源单元及采用该光源单元的显示模组
JP2009198670A (ja) * 2008-02-20 2009-09-03 Hitachi Displays Ltd 液晶表示装置
US8310627B2 (en) * 2008-02-27 2012-11-13 Sharp Kabushiki Kaisha Display device and television receiver apparatus
JPWO2009118960A1 (ja) * 2008-03-25 2011-07-21 シャープ株式会社 液晶表示装置
JP5104770B2 (ja) * 2008-03-28 2012-12-19 豊田合成株式会社 バックライト装置
WO2010016322A1 (ja) * 2008-08-04 2010-02-11 シャープ株式会社 照明装置およびそれを備えた液晶表示装置
CN101387766B (zh) * 2008-10-22 2012-09-05 友达光电股份有限公司 液晶显示器
KR101295146B1 (ko) * 2008-12-19 2013-08-09 엘지디스플레이 주식회사 액정표시소자
JP5072875B2 (ja) * 2009-02-04 2012-11-14 株式会社ジャパンディスプレイセントラル バックライトユニット及びこれを用いた液晶表示装置
CN101859515B (zh) * 2009-04-10 2013-07-31 鸿富锦精密工业（深圳）有限公司 显示模组及具有该显示模组的发光标示装置
KR101313653B1 (ko) * 2009-06-24 2013-10-02 엘지디스플레이 주식회사 액정표시장치
USRE46781E1 (en) 2009-11-12 2018-04-10 Lg Electronics Inc. Backlight unit and liquid crystal display including the same
KR101693655B1 (ko) 2009-11-12 2017-01-06 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
TWI405008B (zh) * 2009-12-04 2013-08-11 Au Optronics Corp 背光模組及包含該背光模組之顯示裝置
KR101028294B1 (ko) 2010-01-07 2011-04-11 엘지이노텍 주식회사 광학 어셈블리, 이를 구비한 백라이트 유닛 및 디스플레이 장치
KR101020923B1 (ko) * 2010-01-07 2011-03-09 엘지이노텍 주식회사 광학 어셈블리, 이를 구비한 백라이트 유닛 및 디스플레이 장치
KR100999780B1 (ko) * 2010-01-07 2010-12-08 엘지이노텍 주식회사 광학 어셈블리, 이를 구비한 백라이트 유닛 및 디스플레이 장치
JP5586974B2 (ja) * 2010-02-02 2014-09-10 キヤノン株式会社 表示装置
KR20110103074A (ko) 2010-03-12 2011-09-20 엘지전자 주식회사 디스플레이 장치
CN102770894A (zh) * 2010-02-23 2012-11-07 夏普株式会社 显示装置
WO2012164885A1 (ja) * 2011-06-03 2012-12-06 シャープ株式会社 照明装置及びそれを備えた液晶表示装置
US8937707B2 (en) 2011-08-23 2015-01-20 Asml Netherlands B.V. Lithographic apparatus, device manufacturing method, and method of calibrating a displacement measuring system
TWI459093B (zh) * 2011-11-18 2014-11-01 Au Optronics Corp 背光模組及其光源模組
CN104730617B (zh) * 2015-03-03 2018-11-23 深圳市华星光电技术有限公司 导光板、背光模组及显示装置
JP6408516B2 (ja) * 2016-07-01 2018-10-17 ミネベアミツミ株式会社 面状照明装置及び基板
CN107687597B (zh) * 2016-08-05 2020-09-29 卡任特照明解决方案有限公司 一种照明装置及其制造方法
CN107783222B (zh) * 2016-08-26 2020-07-14 美蓓亚三美株式会社 面状照明装置和基板
KR101910010B1 (ko) * 2016-12-12 2018-10-19 코오롱글로텍주식회사 면조명 장치 및 이를 제조하는 방법
US10768358B2 (en) * 2017-08-17 2020-09-08 Dura Operating, Llc Printed film with mounted light emitting diodes encapsulated in light guide
WO2023065348A1 (zh) * 2021-10-22 2023-04-27 瑞仪光电(南京)有限公司 背光模组及显示装置
DE102022001177A1 (de) * 2022-04-06 2023-10-12 Methode Electronics Malta Ltd. Hintergrundbeleuchtungsvorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0772815A (ja) * 1992-12-15 1995-03-17 Koito Mfg Co Ltd 液晶表示装置
JP3891387B2 (ja) * 2000-02-18 2007-03-14 株式会社エンプラス 面光源装置及び表示装置
US7173677B2 (en) * 2001-04-12 2007-02-06 Rohm Co., Ltd. Back light unit for liquid crystal display device and method for manufacturing the unit
JP4049624B2 (ja) 2001-07-27 2008-02-20 株式会社エンプラス 面光源装置、画像表示装置及び導光板
JP2003162916A (ja) * 2001-11-29 2003-06-06 Sanyo Electric Co Ltd 面光源装置
KR100783592B1 (ko) * 2002-02-05 2007-12-07 삼성전자주식회사 조명장치 및 이를 백라이트로 채택한 표시장치
JP4162122B2 (ja) * 2002-05-31 2008-10-08 オプトレックス株式会社 液晶表示素子用バックライト装置
JP4169257B2 (ja) * 2002-11-29 2008-10-22 オプトレックス株式会社 液晶表示素子用バックライト装置
JP3843393B2 (ja) 2002-12-19 2006-11-08 ミネベア株式会社 面状照明装置
JP2004227956A (ja) 2003-01-23 2004-08-12 Fujitsu Kasei Kk 面照明装置と液晶表示装置
JP3778186B2 (ja) * 2003-02-18 2006-05-24 株式会社豊田自動織機 導光板
KR100989338B1 (ko) * 2003-07-01 2010-10-25 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
TW200638075A (en) * 2005-04-22 2006-11-01 Hon Hai Prec Ind Co Ltd Light guide plate and backlight module using the same
TWM284913U (en) * 2005-09-09 2006-01-01 Innolux Display Corp Light guide plate, backlight module and liquid crystal display device

Also Published As

Publication number Publication date
CN1892363A (zh) 2007-01-10
TWI355534B (en) 2012-01-01
US7570321B2 (en) 2009-08-04
KR100829840B1 (ko) 2008-05-16
JP2007017783A (ja) 2007-01-25
KR20070006600A (ko) 2007-01-11
CN1892363B (zh) 2012-02-01
JP4664757B2 (ja) 2011-04-06
US20070008457A1 (en) 2007-01-11

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