TWI536081B - 背光單元及使用該背光單元的顯示裝置 - Google Patents

背光單元及使用該背光單元的顯示裝置 Download PDF

Info

Publication number
TWI536081B
TWI536081B TW100130114A TW100130114A TWI536081B TW I536081 B TWI536081 B TW I536081B TW 100130114 A TW100130114 A TW 100130114A TW 100130114 A TW100130114 A TW 100130114A TW I536081 B TWI536081 B TW I536081B
Authority
TW
Taiwan
Prior art keywords
light
patterns
backlight unit
absorption
light sources
Prior art date
Application number
TW100130114A
Other languages
English (en)
Chinese (zh)
Other versions
TW201219925A (en
Inventor
金旻相
尹德鉉
金文政
徐政仁
金禎桓
張智源
Original Assignee
Ｌｇ伊諾特股份有限公司
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伊諾特股份有限公司 filed Critical Ｌｇ伊諾特股份有限公司
Publication of TW201219925A publication Critical patent/TW201219925A/zh
Application granted granted Critical
Publication of TWI536081B publication Critical patent/TWI536081B/zh

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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G02B6/0035—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided 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
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs

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)
TW100130114A 2010-11-02 2011-08-23 背光單元及使用該背光單元的顯示裝置 TWI536081B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100108139A KR101692509B1 (ko) 2010-11-02 2010-11-02 디스플레이 장치

Publications (2)

Publication Number Publication Date
TW201219925A TW201219925A (en) 2012-05-16
TWI536081B true TWI536081B (zh) 2016-06-01

Family

ID=44534040

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100130114A TWI536081B (zh) 2010-11-02 2011-08-23 背光單元及使用該背光單元的顯示裝置

Country Status (6)

Country Link
US (1) US8814377B2 (https=)
EP (1) EP2447767B1 (https=)
JP (1) JP5873664B2 (https=)
KR (1) KR101692509B1 (https=)
CN (1) CN102466179B (https=)
TW (1) TWI536081B (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101692509B1 (ko) * 2010-11-02 2017-01-03 엘지이노텍 주식회사 디스플레이 장치
JP2013143219A (ja) * 2012-01-10 2013-07-22 Sharp Corp 照明装置、表示装置及びテレビ受信装置
WO2013117755A1 (en) * 2012-02-10 2013-08-15 Tp Vision Holding B.V. Backlight device
CN102620205B (zh) * 2012-03-27 2014-06-11 深圳市华星光电技术有限公司 侧光式背光模组及其液晶显示器
JP6192987B2 (ja) * 2012-06-12 2017-09-06 エルジー イノテック カンパニー リミテッド 照明装置
JP6275399B2 (ja) 2012-06-18 2018-02-07 エルジー イノテック カンパニー リミテッド 照明装置
CN103515514B (zh) 2012-06-27 2017-05-24 Lg伊诺特有限公司 发光器件
KR101331908B1 (ko) * 2012-07-04 2013-11-22 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛 및 그 제조방법
WO2014016913A1 (ja) * 2012-07-25 2014-01-30 日立コンシューマエレクトロニクス株式会社 照明装置及びこれを用いた映像表示装置
EP3757447B1 (en) * 2012-12-17 2023-07-26 LG Innotek Co., Ltd. Blind spot detection module
KR102093911B1 (ko) * 2012-12-18 2020-04-14 엘지이노텍 주식회사 조명장치
KR101664422B1 (ko) 2013-01-23 2016-10-10 엘지전자 주식회사 평면 조명 장치
CN103175034A (zh) * 2013-03-26 2013-06-26 南京中电熊猫液晶显示科技有限公司 Led背光模组
KR102066138B1 (ko) 2013-11-26 2020-01-14 엘지디스플레이 주식회사 반사 시트와 이의 제조 방법
US10823895B2 (en) 2014-01-29 2020-11-03 E Ink Holdings Inc. Light-emitting module
TWI526743B (zh) 2014-01-29 2016-03-21 元太科技工業股份有限公司 發光模組
EP3015912B1 (en) 2014-10-31 2017-12-06 LG Electronics Inc. Backlight unit and display device including backlight unit
KR102309878B1 (ko) 2014-10-31 2021-10-08 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
WO2016068590A1 (en) * 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device including backlight unit
WO2016068592A1 (en) 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device having backlight unit
US12000582B2 (en) 2014-10-31 2024-06-04 Lg Electronics Inc. Display device having reflecting sheet with plurality of dot areas reducing reflectivity of the reflecting sheet
US20160313493A1 (en) * 2015-04-27 2016-10-27 Chi Lin Optoelectronics Co., Ltd. Light guide plate and transparent display apparatus having the same
CN105204224B (zh) * 2015-10-30 2018-09-14 擎中科技（上海）有限公司 一种3d显示器件
KR102463846B1 (ko) 2015-12-30 2022-11-04 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
JP7122832B2 (ja) * 2018-02-08 2022-08-22 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
WO2021055567A1 (en) * 2019-09-17 2021-03-25 Ghsp, Inc. Insulated transparent display for an appliance
KR102254403B1 (ko) * 2019-09-25 2021-05-20 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 디바이스
CN113126362A (zh) * 2019-12-31 2021-07-16 Tcl集团股份有限公司 光源板、背光源的制作方法、钢网及背光模组
KR20210117726A (ko) * 2020-03-20 2021-09-29 엘지이노텍 주식회사 조명모듈 및 조명장치

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134549A (en) * 1990-06-19 1992-07-28 Enplas Corporation Surface light source device
GB2267378B (en) * 1992-05-22 1996-07-10 Nokia Mobile Phones Uk Illuminated LCD apparatus
JPH08227074A (ja) 1995-02-22 1996-09-03 Sanyo Electric Co Ltd 面照明素子
JP3360785B2 (ja) * 1996-07-29 2002-12-24 株式会社エンプラス サイドライト型面光源装置
TW464784B (en) * 1996-12-06 2001-11-21 Alps Electric Co Ltd Liquid crystal display device
JP3043996B2 (ja) * 1996-12-25 2000-05-22 株式会社明拓システム バックライトユニットの輝度均一化装置
KR100385692B1 (ko) 1999-11-26 2003-05-27 주식회사 광운디스플레이기술 형광 램프 평면 배열형 ｌｃｄ 백라이터
EP1420273B1 (en) * 2000-01-13 2007-08-01 Nitto Denko Corporation Optical film and liquid-crystal display device
JP2003242817A (ja) 2002-02-13 2003-08-29 Matsushita Electric Ind Co Ltd バックライト装置
AU2003266667A1 (en) * 2002-09-30 2004-04-23 Sharp Kabushiki Kaisha Backlight unit and liquid crystal display unit using backlight unit
KR100574366B1 (ko) 2003-12-08 2006-04-27 엘지.필립스 엘시디 주식회사 액정표시모듈
KR100665011B1 (ko) 2004-11-08 2007-01-09 삼성전기주식회사 발광 다이오드를 이용한 백라이트 장치
WO2006055872A2 (en) * 2004-11-17 2006-05-26 Fusion Optix, Inc. Enhanced light fixture
CN1808234A (zh) * 2005-01-20 2006-07-26 鸿富锦精密工业（深圳）有限公司 导光板
JP2006291064A (ja) * 2005-04-12 2006-10-26 Seiko Instruments Inc 蛍光体フィルム、照明装置、及び、これを有する表示装置
US7674028B2 (en) * 2006-01-13 2010-03-09 Avery Dennison Corporation Light enhancing structures with multiple arrays of elongate features of varying characteristics
WO2007083805A1 (ja) 2006-01-23 2007-07-26 Fujifilm Corporation 面状照明装置
US7607814B2 (en) * 2006-05-24 2009-10-27 3M Innovative Properties Company Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces
US7959343B2 (en) * 2006-09-19 2011-06-14 Koninklijke Philips Electronics N.V. Illumination system for luminaires and display devices
JP2008076783A (ja) * 2006-09-22 2008-04-03 Dainippon Printing Co Ltd レンズアレイシート、面光源装置、背面投射型表示装置、レンズアレイシートの製造方法
CN100492125C (zh) * 2006-11-17 2009-05-27 群康科技(深圳)有限公司 液晶显示装置
US7507012B2 (en) * 2007-05-16 2009-03-24 Rohm And Haas Denmark Finance A/S LCD displays with light redirection
CN101652706B (zh) * 2007-07-04 2012-09-05 东莞万德电子制品有限公司 印刷式超薄导光板
EP2347292A1 (en) * 2008-11-05 2011-07-27 Koninklijke Philips Electronics N.V. Light emitting device
JP2010191169A (ja) * 2009-02-18 2010-09-02 Oji Paper Co Ltd 輝度均斉化シートおよび面光源装置
KR20100108139A (ko) 2009-03-27 2010-10-06 (주)팜미디어 이동통신 단말기에서 ｓｍｓ를 이용한 금융 정보 관리 방법및 이동통신 단말기
WO2010113361A1 (ja) * 2009-04-03 2010-10-07 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
KR100964467B1 (ko) * 2009-11-24 2010-06-16 엘지전자 주식회사 디스플레이 장치
KR101692509B1 (ko) * 2010-11-02 2017-01-03 엘지이노텍 주식회사 디스플레이 장치

Also Published As

Publication number Publication date
JP5873664B2 (ja) 2016-03-01
KR20120046470A (ko) 2012-05-10
KR101692509B1 (ko) 2017-01-03
CN102466179B (zh) 2015-11-25
US8814377B2 (en) 2014-08-26
CN102466179A (zh) 2012-05-23
JP2012099462A (ja) 2012-05-24
US20110305004A1 (en) 2011-12-15
EP2447767B1 (en) 2018-04-04
EP2447767A1 (en) 2012-05-02
TW201219925A (en) 2012-05-16

Similar Documents

Publication Publication Date Title
TWI536081B (zh) 背光單元及使用該背光單元的顯示裝置
CN102884476B (zh) 背光单元和显示设备
TWI546593B (zh) 背光模組及使用該背光模組的顯示裝置
TWI528082B (zh) 照明系統及使用該照明系統的顯示裝置
KR20110114268A (ko) 백라이트 유닛 및 이를 포함하는 디스플레이 장치
US8915639B2 (en) Lighting system including a projection and display device with the projection
US20130016521A1 (en) Backlight unit and display apparatus using the same
KR20110104311A (ko) 차광 패턴을 갖는 백라이트 유닛 및 그의 차광 패턴 형성방법
KR101827970B1 (ko) 백라이트 유닛 및 그를 이용한 표시장치
KR101769933B1 (ko) 백라이트 유닛 및 이를 포함하는 디스플레이 장치
KR20120073074A (ko) 디스플레이 장치
KR20130039406A (ko) 백라이트 유닛 및 이를 이용한 디스플레이 장치
US8931911B2 (en) Lighting system and display apparatus using the same
KR20110026904A (ko) 백 라이트 유닛 및 이를 포함하는 디스플레이 장치
KR102582503B1 (ko) 액정 표시 장치
KR102831847B1 (ko) 표시 장치
KR101948139B1 (ko) 백라이트 유닛 및 그를 이용한 조명 시스템
TWI493255B (zh) 在用於導光之樹脂層範圍之背光單元以及使用其之ｌｃｄ
KR101894352B1 (ko) 백라이트 유닛 및 그를 이용한 조명 시스템
KR20110026903A (ko) 백 라이트 유닛 및 이를 포함하는 디스플레이 장치
KR20220030352A (ko) 미니 led를 광원으로 하는 에지형 백라이트 장치
WO2019004070A1 (ja) 照明装置および表示装置
KR20110029865A (ko) 백라이트 유닛 및 그를 이용한 디스플레이 장치

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees