CN102287681A - 背光单元和显示装置 - Google Patents

背光单元和显示装置 Download PDF

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Publication number
CN102287681A
CN102287681A CN2011101467900A CN201110146790A CN102287681A CN 102287681 A CN102287681 A CN 102287681A CN 2011101467900 A CN2011101467900 A CN 2011101467900A CN 201110146790 A CN201110146790 A CN 201110146790A CN 102287681 A CN102287681 A CN 102287681A
Authority
CN
China
Prior art keywords
bottom cover
guide plate
backlight unit
light guide
optical sheet
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.)
Pending
Application number
CN2011101467900A
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English (en)
Chinese (zh)
Inventor
俞东局
朴成用
张荣倍
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 CN102287681A publication Critical patent/CN102287681A/zh
Pending legal-status Critical Current

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    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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)
CN2011101467900A 2010-05-25 2011-05-25 背光单元和显示装置 Pending CN102287681A (zh)

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 (1)

Publication Number Publication Date
CN102287681A true CN102287681A (zh) 2011-12-21

Family

ID=44673969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101467900A Pending CN102287681A (zh) 2010-05-25 2011-05-25 背光单元和显示装置

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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105492942A (zh) * 2013-08-20 2016-04-13 堺显示器制品株式会社 光源装置和显示装置
CN107193333A (zh) * 2017-06-19 2017-09-22 京东方科技集团股份有限公司 显示装置及其显示模块
CN107561766A (zh) * 2016-06-30 2018-01-09 三星显示有限公司 反射式液晶显示设备

Families Citing this family (5)

* 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
KR101969323B1 (ko) * 2012-06-29 2019-04-16 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치모듈
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
CN109584727B (zh) * 2019-01-29 2021-12-21 维沃移动通信有限公司 终端设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020080298A1 (en) * 2000-12-25 2002-06-27 Norihisa Fukayama Liquid crystal display device
US20060007708A1 (en) * 2002-05-28 2006-01-12 Young-Jae Lee Backlight assembly and liquid crystal display apparatus having the same

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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
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020080298A1 (en) * 2000-12-25 2002-06-27 Norihisa Fukayama Liquid crystal display device
US20060007708A1 (en) * 2002-05-28 2006-01-12 Young-Jae Lee Backlight assembly and liquid crystal display apparatus having the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105492942A (zh) * 2013-08-20 2016-04-13 堺显示器制品株式会社 光源装置和显示装置
CN105492942B (zh) * 2013-08-20 2018-12-21 堺显示器制品株式会社 光源装置和显示装置
CN107561766A (zh) * 2016-06-30 2018-01-09 三星显示有限公司 反射式液晶显示设备
CN107193333A (zh) * 2017-06-19 2017-09-22 京东方科技集团股份有限公司 显示装置及其显示模块
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

Also Published As

Publication number Publication date
JP5784981B2 (ja) 2015-09-24
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
KR101700790B1 (ko) 2017-02-01
JP2011249332A (ja) 2011-12-08

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Application publication date: 20111221