TWI362510B - - Google Patents

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Publication number
TWI362510B
TWI362510B TW095145420A TW95145420A TWI362510B TW I362510 B TWI362510 B TW I362510B TW 095145420 A TW095145420 A TW 095145420A TW 95145420 A TW95145420 A TW 95145420A TW I362510 B TWI362510 B TW I362510B
Authority
TW
Taiwan
Prior art keywords
light
film
light guiding
incident
backlight
Prior art date
Application number
TW095145420A
Other languages
English (en)
Chinese (zh)
Other versions
TW200734705A (en
Original Assignee
Hitachi Displays Ltd
Panasonic Liquid Crystal Displ
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, Panasonic Liquid Crystal Displ filed Critical Hitachi Displays Ltd
Publication of TW200734705A publication Critical patent/TW200734705A/zh
Application granted granted Critical
Publication of TWI362510B publication Critical patent/TWI362510B/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
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, 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
    • G02B6/0035—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
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

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)
  • Light Guides In General And Applications Therefor (AREA)
TW095145420A 2005-12-06 2006-12-06 Indication apparatus and plane light source apparatus TW200734705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005352167A JP4579146B2 (ja) 2005-12-06 2005-12-06 表示装置および面状光源装置

Publications (2)

Publication Number Publication Date
TW200734705A TW200734705A (en) 2007-09-16
TWI362510B true TWI362510B (enExample) 2012-04-21

Family

ID=38118356

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095145420A TW200734705A (en) 2005-12-06 2006-12-06 Indication apparatus and plane light source apparatus
TW098146493A TWI438508B (zh) 2005-12-06 2006-12-06 Surface light source device

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW098146493A TWI438508B (zh) 2005-12-06 2006-12-06 Surface light source device

Country Status (5)

Country Link
US (5) US20070126950A1 (enExample)
JP (1) JP4579146B2 (enExample)
KR (1) KR100863848B1 (enExample)
CN (2) CN101976003A (enExample)
TW (2) TW200734705A (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4579146B2 (ja) * 2005-12-06 2010-11-10 株式会社 日立ディスプレイズ 表示装置および面状光源装置
US8322874B2 (en) * 2007-09-06 2012-12-04 3M Innovative Properties Company Lightguides having light extraction structures providing regional control of light output
KR20090059996A (ko) * 2007-12-07 2009-06-11 삼성전자주식회사 백라이트유닛 및 이를 갖는 평판표시장치
CN101487972B (zh) * 2008-01-18 2014-09-10 北京京东方光电科技有限公司 可调节透过率的掩模板的掩模方法
US8749729B2 (en) * 2008-02-07 2014-06-10 Sony Corporation Light guide plate, surface-emitting apparatus, liquid crystal display apparatus, and method of producing a light guide plate
JP5190735B2 (ja) * 2008-03-06 2013-04-24 Ｎｌｔテクノロジー株式会社 バックライト及び液晶表示装置
JP4528902B2 (ja) * 2008-08-06 2010-08-25 株式会社オプトデザイン 光源装置、照明装置および表示装置
JP2010049989A (ja) * 2008-08-22 2010-03-04 Fujikura Ltd 面状発光装置
DE102008058894B3 (de) * 2008-11-26 2010-06-17 Vimecon Gmbh Laserapplikator
TW201123411A (en) * 2009-12-30 2011-07-01 Harvatek Corp A light emission module with high-efficiency light emission and high-efficiency heat dissipation and applications thereof
JP5631776B2 (ja) * 2010-03-03 2014-11-26 株式会社東芝 照明装置およびこれを備えた液晶表示装置
KR20120023921A (ko) * 2010-09-03 2012-03-14 엘지이노텍 주식회사 백라이트 유닛
JP5550505B2 (ja) * 2010-09-16 2014-07-16 株式会社東芝 面状照明装置およびこれを備えた液晶表示装置
TWI465808B (zh) 2010-11-25 2014-12-21 Ｌｇ伊諾特股份有限公司 背光單元及其顯示設備
JP2012136199A (ja) * 2010-12-28 2012-07-19 Nippon Seiki Co Ltd 表示装置
JP5321767B1 (ja) * 2011-09-29 2013-10-23 凸版印刷株式会社 照明装置、表示装置
KR102075922B1 (ko) 2012-05-10 2020-02-11 엘지디스플레이 주식회사 도광판 및 이를 이용한 액정표시 장치
CN102692673B (zh) * 2012-06-20 2014-09-03 丹阳博昱科技有限公司 一种用掩模板制作大版导光片的方法
JP6157827B2 (ja) * 2012-09-28 2017-07-05 恵和株式会社 導光シート、エッジライト型バックライトユニット及びラップトップコンピュータ
WO2014078170A1 (en) * 2012-11-13 2014-05-22 Johnson Controls Technology Company Illuminated vehicle interior component
TWI498638B (zh) * 2013-10-18 2015-09-01 Au Optronics Corp 顯示裝置
WO2015064883A1 (en) * 2013-11-01 2015-05-07 Seoul Semiconductor Co., Ltd. Light source module and backlight unit having the same
US9563005B2 (en) * 2014-03-11 2017-02-07 Sakai Display Products Corporation Light source device, display apparatus, and method of manufacturing light source device
KR102204953B1 (ko) * 2014-06-25 2021-01-19 삼성디스플레이 주식회사 형광 시트 및 이를 포함하는 라이트 유닛과 액정 표시 장치
TR201901088T4 (tr) * 2014-09-25 2019-02-21 Koninklijke Philips Nv Çıktının yönsel kontrolu ile gösterim cihazı ve böyle bir gösterim cihazı için bir arka ışık.
KR102244847B1 (ko) * 2014-12-31 2021-04-28 엘지디스플레이 주식회사 초집광 도광필름 및 이를 이용한 평판 표시장치용 박막형 백 라이트 유닛
CN108182873B (zh) * 2016-12-08 2020-08-07 乐金显示有限公司 嵌入有光学图像传感器的平板显示器
JP7013164B2 (ja) * 2017-08-07 2022-01-31 株式会社ジャパンディスプレイ 表示装置
CN108800056B (zh) * 2018-08-20 2024-07-09 华域视觉科技(上海)有限公司 一种汽车信号灯的光学结构
KR102698294B1 (ko) * 2018-09-07 2024-08-26 삼성전자주식회사 조명 장치 및 이를 포함하는 전자 장치와 조명 방법
KR102668143B1 (ko) * 2019-01-03 2024-05-24 삼성디스플레이 주식회사 표시장치
CN109633962B (zh) * 2019-02-18 2021-10-15 友达光电（苏州）有限公司 显示装置
KR20210115236A (ko) 2020-03-12 2021-09-27 엘지이노텍 주식회사 광원모듈
CN111915982A (zh) * 2020-08-17 2020-11-10 上海中航光电子有限公司 一种背光模组以及显示装置
US11221515B1 (en) * 2021-01-04 2022-01-11 Sunrex Technology Corp. Backlight module
KR20220154435A (ko) * 2021-05-13 2022-11-22 에스엘 주식회사 차량용 램프
CN116774339A (zh) * 2022-03-08 2023-09-19 董瑞春 一种基于微结构的高清晰度平面导光器件

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816677A (en) 1905-03-01 1998-10-06 Canon Kabushiki Kaisha Backlight device for display apparatus
JPH08152526A (ja) * 1994-11-30 1996-06-11 Sharp Corp 面照明用シートとこれを用いた装置
JPH095739A (ja) * 1995-06-22 1997-01-10 Internatl Business Mach Corp <Ibm> 導光シ−ト及びその製造方法、及び前記導光シ−トを用いたバックライト及び前記バックライトを用いた液晶表示装置
JPH1021720A (ja) * 1996-06-27 1998-01-23 Nec Corp バックライト装置
JP2000147429A (ja) * 1998-11-10 2000-05-26 Nitto Denko Corp 偏光面光源装置及び液晶表示装置
KR20000016446U (ko) * 1999-02-01 2000-09-25 김순택 액정표시장치
EP1067424B1 (en) * 1999-02-01 2009-01-07 Seiko Epson Corporation Display device, electronic device and light guide
JP4000704B2 (ja) * 1999-02-26 2007-10-31 オムロン株式会社 導光板
US7108416B1 (en) * 1999-03-29 2006-09-19 Rohm Co., Ltd. Planar light source
US6972813B1 (en) * 1999-06-09 2005-12-06 3M Innovative Properties Company Optical laminated bodies, lighting equipment and area luminescence equipment
JP2001083508A (ja) * 1999-09-14 2001-03-30 Seiko Epson Corp 表示装置及びそれを用いた電子機器
JP2001108987A (ja) 1999-10-06 2001-04-20 Nidec Copal Corp 面発光装置
US6598987B1 (en) * 2000-06-15 2003-07-29 Nokia Mobile Phones Limited Method and apparatus for distributing light to the user interface of an electronic device
JP2002133933A (ja) * 2000-10-26 2002-05-10 Rohm Co Ltd 照明装置およびこの照明装置を備えた液晶表示装置
JP2003215570A (ja) 2002-01-22 2003-07-30 Sumitomo Chem Co Ltd 半透過半反射型液晶表示装置とそれ用の光源装置及びフィルム
KR100459223B1 (ko) * 2002-04-03 2004-12-03 엘지.필립스 엘시디 주식회사 백 라이트
JP2004062004A (ja) * 2002-07-31 2004-02-26 Kawaguchiko Seimitsu Co Ltd 光拡散シート及びこれを用いたバックライト装置
JP4076214B2 (ja) * 2002-08-29 2008-04-16 シチズン電子株式会社 両面発光照明ユニット
JP4153776B2 (ja) * 2002-11-07 2008-09-24 三菱電機株式会社 面状光源装置および該装置を用いた液晶表示装置
JP2004171870A (ja) * 2002-11-19 2004-06-17 Alps Electric Co Ltd 照明装置及び液晶表示装置
US7478942B2 (en) * 2003-01-23 2009-01-20 Samsung Electronics Co., Ltd. Light guide plate with light reflection pattern
TW577549U (en) * 2003-01-30 2004-02-21 Toppoly Optoelectronics Corp Back light module for flat display device
KR100508240B1 (ko) * 2003-03-13 2005-08-17 엘지.필립스 엘시디 주식회사 액정표시모듈
JP4239700B2 (ja) * 2003-06-17 2009-03-18 オムロン株式会社 面光源装置及び当該面光源装置を用いた機器
JP2005134498A (ja) 2003-10-29 2005-05-26 Optrex Corp 液晶表示装置
JP4020397B2 (ja) * 2004-06-14 2007-12-12 惠次 飯村 点光源を用いた面光源
US7513669B2 (en) * 2005-08-01 2009-04-07 Avago Technologies General Ip (Singapore) Pte. Ltd. Light source for LCD back-lit displays
JP4579146B2 (ja) * 2005-12-06 2010-11-10 株式会社 日立ディスプレイズ 表示装置および面状光源装置

Also Published As

Publication number Publication date
CN101976003A (zh) 2011-02-16
US20110102708A1 (en) 2011-05-05
TW200734705A (en) 2007-09-16
US8817205B2 (en) 2014-08-26
TW201015132A (en) 2010-04-16
TWI438508B (zh) 2014-05-21
US20120127753A1 (en) 2012-05-24
CN1979309A (zh) 2007-06-13
JP4579146B2 (ja) 2010-11-10
US8085360B2 (en) 2011-12-27
US20130250612A1 (en) 2013-09-26
CN1979309B (zh) 2010-11-10
US20110292681A1 (en) 2011-12-01
US20070126950A1 (en) 2007-06-07
KR20070060026A (ko) 2007-06-12
KR100863848B1 (ko) 2008-10-15
US8416364B2 (en) 2013-04-09
JP2007157540A (ja) 2007-06-21

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