JP5784981B2 - バックライトユニット及び表示装置 - Google Patents

バックライトユニット及び表示装置 Download PDF

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Publication number
JP5784981B2
JP5784981B2 JP2011116697A JP2011116697A JP5784981B2 JP 5784981 B2 JP5784981 B2 JP 5784981B2 JP 2011116697 A JP2011116697 A JP 2011116697A JP 2011116697 A JP2011116697 A JP 2011116697A JP 5784981 B2 JP5784981 B2 JP 5784981B2
Authority
JP
Japan
Prior art keywords
display device
guide plate
disposed
light guide
bottom cover
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
JP2011116697A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011249332A5 (enExample
JP2011249332A (ja
Inventor
ユ，ドンク
パク，スンヨン
ジャン，ヨンベ
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 Innotek Co Ltd
Original Assignee
LG Innotek 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 Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of JP2011249332A publication Critical patent/JP2011249332A/ja
Publication of JP2011249332A5 publication Critical patent/JP2011249332A5/ja
Application granted granted Critical
Publication of JP5784981B2 publication Critical patent/JP5784981B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • G02F1/133553—Reflecting 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP2011116697A 2010-05-25 2011-05-25 バックライトユニット及び表示装置 Expired - Fee Related JP5784981B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100048496A KR101700790B1 (ko) 2010-05-25 2010-05-25 표시장치
KR10-2010-0048496 2010-05-25

Publications (3)

Publication Number Publication Date
JP2011249332A JP2011249332A (ja) 2011-12-08
JP2011249332A5 JP2011249332A5 (enExample) 2014-07-10
JP5784981B2 true JP5784981B2 (ja) 2015-09-24

Family

ID=44673969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011116697A Expired - Fee Related JP5784981B2 (ja) 2010-05-25 2011-05-25 バックライトユニット及び表示装置

Country Status (5)

Country Link
US (1) US8982299B2 (enExample)
EP (1) EP2390694B1 (enExample)
JP (1) JP5784981B2 (enExample)
KR (1) KR101700790B1 (enExample)
CN (1) CN102287681A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012109207A (ja) * 2010-10-18 2012-06-07 Meitaku Kogyo Kk 面照明体
KR101876369B1 (ko) * 2011-12-30 2018-07-10 삼성전자주식회사 디스플레이 장치
CN102679118A (zh) * 2012-06-13 2012-09-19 昆山维金五金制品有限公司 显示屏的上固定件
KR101969323B1 (ko) * 2012-06-29 2019-04-16 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치모듈
US10031273B2 (en) 2013-08-20 2018-07-24 Sakai Display Products Corporation Light source device and display apparatus
CN104503109B (zh) * 2014-12-08 2017-10-17 青岛海信电器股份有限公司 一种液晶显示模组及显示装置
KR20180003687A (ko) * 2016-06-30 2018-01-10 삼성디스플레이 주식회사 반사형 액정표시장치
CN107193333B (zh) * 2017-06-19 2020-06-23 京东方科技集团股份有限公司 显示装置及其显示模块
CN109584727B (zh) * 2019-01-29 2021-12-21 维沃移动通信有限公司 终端设备

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147618A (ja) 1995-11-20 1997-06-06 Sharp Corp 照明装置
JP2001216828A (ja) * 2000-02-04 2001-08-10 Seiko Epson Corp 面光源ユニットならびにそれを備えた表示装置および電子機器
JP2002196312A (ja) * 2000-12-25 2002-07-12 Hitachi Ltd 液晶表示装置
JP4662216B2 (ja) * 2001-02-23 2011-03-30 株式会社エンプラス 面光源装置，画像表示装置及び光制御部材
JP2002318386A (ja) 2001-04-23 2002-10-31 Rohm Co Ltd 液晶表示素子用バックライト装置の構造及びその製造方法
KR100840715B1 (ko) * 2002-05-28 2008-06-23 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치
KR100937705B1 (ko) 2003-07-05 2010-01-20 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR20050070197A (ko) 2003-12-29 2005-07-07 엘지.필립스 엘시디 주식회사 액정표시모듈
KR100684793B1 (ko) * 2004-12-07 2007-02-20 삼성에스디아이 주식회사 릴상의 테이프 캐리어 패키지와 이를 적용한 플라즈마디스플레이 장치
KR100947533B1 (ko) 2005-03-10 2010-03-12 삼성전자주식회사 백라이트 어셈블리 및 이를 구비한 표시 장치
KR20080034717A (ko) * 2006-10-17 2008-04-22 주식회사 우영 에지형 ｌｅｄ 백라이트 유니트
KR20080035240A (ko) 2006-10-19 2008-04-23 삼성전자주식회사 액정 표시 장치
JP2008129259A (ja) * 2006-11-20 2008-06-05 Dainippon Printing Co Ltd 光学シート、面光源装置、スクリーン、表示装置
KR20080060101A (ko) 2006-12-26 2008-07-01 엘지디스플레이 주식회사 액정표시장치
KR101317888B1 (ko) * 2007-05-18 2013-10-16 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
JP4915354B2 (ja) 2008-01-24 2012-04-11 船井電機株式会社 液晶モジュール
JP2010097924A (ja) 2008-09-18 2010-04-30 Hitachi Ltd 液晶表示装置
KR101511493B1 (ko) * 2008-11-27 2015-04-14 삼성디스플레이 주식회사 액정 표시 모듈 및 이를 포함하는 표시 장치 세트 및 액정 표시 모듈의 조립 방법

Also Published As

Publication number Publication date
EP2390694A1 (en) 2011-11-30
EP2390694B1 (en) 2021-03-03
KR20110129073A (ko) 2011-12-01
US20110292320A1 (en) 2011-12-01
US8982299B2 (en) 2015-03-17
CN102287681A (zh) 2011-12-21
KR101700790B1 (ko) 2017-02-01
JP2011249332A (ja) 2011-12-08

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