JP4604801B2 - 面状光源装置および該装置を用いた表示装置 - Google Patents

面状光源装置および該装置を用いた表示装置 Download PDF

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Publication number
JP4604801B2
JP4604801B2 JP2005106123A JP2005106123A JP4604801B2 JP 4604801 B2 JP4604801 B2 JP 4604801B2 JP 2005106123 A JP2005106123 A JP 2005106123A JP 2005106123 A JP2005106123 A JP 2005106123A JP 4604801 B2 JP4604801 B2 JP 4604801B2
Authority
JP
Japan
Prior art keywords
light source
housing
light
reflection
source device
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
JP2005106123A
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English (en)
Japanese (ja)
Other versions
JP2006210309A (ja
JP2006210309A5 (enExample
Inventor
誠司 境
俊之 米田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2005106123A priority Critical patent/JP4604801B2/ja
Priority to US11/291,979 priority patent/US20060139960A1/en
Priority to TW094144226A priority patent/TW200628926A/zh
Priority to KR1020050128535A priority patent/KR100726897B1/ko
Publication of JP2006210309A publication Critical patent/JP2006210309A/ja
Publication of JP2006210309A5 publication Critical patent/JP2006210309A5/ja
Application granted granted Critical
Publication of JP4604801B2 publication Critical patent/JP4604801B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B6/0033—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
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white

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)
  • Optical Elements Other Than Lenses (AREA)
JP2005106123A 2004-12-27 2005-04-01 面状光源装置および該装置を用いた表示装置 Expired - Fee Related JP4604801B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005106123A JP4604801B2 (ja) 2004-12-27 2005-04-01 面状光源装置および該装置を用いた表示装置
US11/291,979 US20060139960A1 (en) 2004-12-27 2005-12-02 Surface light source device and display apparatus using the same
TW094144226A TW200628926A (en) 2004-12-27 2005-12-14 Surface light source device and display apparatus using the same
KR1020050128535A KR100726897B1 (ko) 2004-12-27 2005-12-23 면 광원 장치 및 이 장치를 이용한 표시장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004375997 2004-12-27
JP2005106123A JP4604801B2 (ja) 2004-12-27 2005-04-01 面状光源装置および該装置を用いた表示装置

Publications (3)

Publication Number Publication Date
JP2006210309A JP2006210309A (ja) 2006-08-10
JP2006210309A5 JP2006210309A5 (enExample) 2008-03-06
JP4604801B2 true JP4604801B2 (ja) 2011-01-05

Family

ID=36611274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005106123A Expired - Fee Related JP4604801B2 (ja) 2004-12-27 2005-04-01 面状光源装置および該装置を用いた表示装置

Country Status (4)

Country Link
US (1) US20060139960A1 (enExample)
JP (1) JP4604801B2 (enExample)
KR (1) KR100726897B1 (enExample)
TW (1) TW200628926A (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5052860B2 (ja) * 2005-12-15 2012-10-17 三菱電機株式会社 面状光源装置及びこれを用いた表示装置
WO2008065614A1 (en) * 2006-11-30 2008-06-05 Koninklijke Philips Electronics N.V. A rim system for a display
JP2010511987A (ja) * 2006-12-07 2010-04-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 補償型導光体
CN102047027B (zh) * 2008-05-29 2012-11-21 京瓷株式会社 光源装置及具有该光源装置的显示装置
WO2010084648A1 (ja) * 2009-01-20 2010-07-29 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
JP2010212039A (ja) * 2009-03-10 2010-09-24 Stanley Electric Co Ltd 照明装置
USRE47656E1 (en) 2009-08-27 2019-10-22 Lg Electronics Inc. Optical assembly, backlight unit and display apparatus thereof
JP2011134620A (ja) * 2009-12-25 2011-07-07 Hitachi Consumer Electronics Co Ltd バックライト装置及びこれを用いた液晶表示装置
JP2011249190A (ja) * 2010-05-28 2011-12-08 Ushio Inc 線状光源装置
CN201867506U (zh) * 2010-10-15 2011-06-15 北京京东方光电科技有限公司 导光板及背光源
WO2012073826A1 (ja) * 2010-12-03 2012-06-07 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
WO2012073830A1 (ja) * 2010-12-03 2012-06-07 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
CN103542365A (zh) * 2012-07-16 2014-01-29 欧司朗股份有限公司 照明装置
CN104487762B (zh) 2012-07-31 2016-12-21 三菱电机株式会社 面光源装置和液晶显示装置
JP5820845B2 (ja) 2012-09-07 2015-11-24 キヤノン・コンポーネンツ株式会社 照明装置、イメージセンサユニットおよび紙葉類識別装置
WO2014168061A1 (ja) * 2013-04-08 2014-10-16 堺ディスプレイプロダクト株式会社 反射シート材、光源装置及び表示装置
WO2015011834A1 (ja) * 2013-07-26 2015-01-29 堺ディスプレイプロダクト株式会社 光学ユニット及び表示装置
KR102090036B1 (ko) * 2013-09-16 2020-03-18 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
JP2015216037A (ja) * 2014-05-12 2015-12-03 三菱電機株式会社 面光源装置および液晶表示装置
TWI749713B (zh) * 2020-08-14 2021-12-11 群光電能科技股份有限公司 背光模組及其發光觸控裝置

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US5816677A (en) * 1905-03-01 1998-10-06 Canon Kabushiki Kaisha Backlight device for display apparatus
CA1227075A (en) * 1983-01-12 1987-09-22 Ronald A.W. Clarke Colour varying reflector
JP2830972B2 (ja) * 1995-03-06 1998-12-02 株式会社日立製作所 液晶表示装置
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
JP3538746B2 (ja) * 1997-03-07 2004-06-14 株式会社エンプラス サイドライト型面光源装置
JP2000122056A (ja) * 1998-10-14 2000-04-28 Enplas Corp サイドライト型面光源装置及び液晶表示装置
US6771327B2 (en) * 2000-09-18 2004-08-03 Citizen Watch Co., Ltd. Liquid crystal display device with an input panel
JP2002138150A (ja) * 2000-11-02 2002-05-14 Teijin Ltd 白色ポリエステルフィルム
US6648485B1 (en) * 2000-11-13 2003-11-18 International Business Machines Corporation Highly collimating tapered light guide for uniform illumination of flat panel displays
JP2002258764A (ja) * 2001-02-27 2002-09-11 Toshiba Lighting & Technology Corp バックライトおよび表示装置
DE60224038T2 (de) * 2001-06-01 2008-11-06 Philips Lumileds Lighting Company, LLC, San Jose Kompaktes verlichtungssystem und zugehörige anzeige
JP4907810B2 (ja) * 2001-09-28 2012-04-04 恵和株式会社 反射シート及びこれを用いたバックライトユニット
JP3931070B2 (ja) * 2001-10-22 2007-06-13 株式会社アドバンスト・ディスプレイ 面状光源装置及びこれを備えた液晶表示装置
JP2003262702A (ja) * 2002-03-07 2003-09-19 Fuji Photo Film Co Ltd 反射防止フィルム、偏光板、および画像表示装置
JP3923867B2 (ja) * 2002-07-26 2007-06-06 株式会社アドバンスト・ディスプレイ 面状光源装置及びそれを用いた液晶表示装置
US7446829B2 (en) * 2002-09-30 2008-11-04 Sharp Kabushiki Kaisha Backlight unit and liquid crystal display unit using backlight unit
KR100897504B1 (ko) * 2002-12-03 2009-05-15 삼성전자주식회사 백라이트 어셈블리
JP4156919B2 (ja) * 2002-12-18 2008-09-24 三菱電機株式会社 面状光源装置、液晶表示装置及び表示装置
JP4091414B2 (ja) * 2002-12-18 2008-05-28 三菱電機株式会社 面状光源装置、表示装置及び液晶表示装置
EP1574780B1 (en) * 2002-12-18 2008-05-21 Sharp Kabushiki Kaisha Light guide plate, illuminating device using same, area light source and display
KR100493387B1 (ko) * 2002-12-26 2005-06-07 엘지.필립스 엘시디 주식회사 표시장치의 백 라이트 유닛 및 그 백라이트 유닛을 사용한액정표시장치
JP2004220981A (ja) * 2003-01-16 2004-08-05 Tama Electric Co Ltd 反射体及びバックライト装置
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KR100476563B1 (ko) * 2003-06-02 2005-03-18 삼성전기주식회사 디스플레이용 라이트 유닛
US7278775B2 (en) * 2004-09-09 2007-10-09 Fusion Optix Inc. Enhanced LCD backlight

Also Published As

Publication number Publication date
KR20060074845A (ko) 2006-07-03
JP2006210309A (ja) 2006-08-10
US20060139960A1 (en) 2006-06-29
TW200628926A (en) 2006-08-16
KR100726897B1 (ko) 2007-06-14

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