KR100726897B1 - 면 광원 장치 및 이 장치를 이용한 표시장치 - Google Patents

면 광원 장치 및 이 장치를 이용한 표시장치 Download PDF

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Publication number
KR100726897B1
KR100726897B1 KR1020050128535A KR20050128535A KR100726897B1 KR 100726897 B1 KR100726897 B1 KR 100726897B1 KR 1020050128535 A KR1020050128535 A KR 1020050128535A KR 20050128535 A KR20050128535 A KR 20050128535A KR 100726897 B1 KR100726897 B1 KR 100726897B1
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KR
South Korea
Prior art keywords
light source
casing
source device
sheet
light
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Expired - Fee Related
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KR1020050128535A
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English (en)
Korean (ko)
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KR20060074845A (ko
Inventor
세이지 사카이
토시유키 요네다
Original Assignee
미쓰비시덴키 가부시키가이샤
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Publication of KR20060074845A publication Critical patent/KR20060074845A/ko
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Publication of KR100726897B1 publication Critical patent/KR100726897B1/ko
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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
    • G02B6/0033—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)
KR1020050128535A 2004-12-27 2005-12-23 면 광원 장치 및 이 장치를 이용한 표시장치 Expired - Fee Related KR100726897B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004375997 2004-12-27
JPJP-P-2004-00375997 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
JPJP-P-2005-00106123 2005-04-01

Publications (2)

Publication Number Publication Date
KR20060074845A KR20060074845A (ko) 2006-07-03
KR100726897B1 true KR100726897B1 (ko) 2007-06-14

Family

ID=36611274

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050128535A Expired - Fee Related KR100726897B1 (ko) 2004-12-27 2005-12-23 면 광원 장치 및 이 장치를 이용한 표시장치

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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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
ES2463515T3 (es) * 2006-11-30 2014-05-28 Tp Vision Holding B.V. Un sistema de montura para una pantalla
US20100080018A1 (en) * 2006-12-07 2010-04-01 Koninklijke Philips Electronics N.V. compensating light guide
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
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
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
CN103542365A (zh) * 2012-07-16 2014-01-29 欧司朗股份有限公司 照明装置
WO2014020864A1 (ja) 2012-07-31 2014-02-06 三菱電機株式会社 面光源装置及び液晶表示装置
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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JPH08240720A (ja) * 1995-03-06 1996-09-17 Hitachi Ltd 液晶表示装置
JP2002138150A (ja) * 2000-11-02 2002-05-14 Teijin Ltd 白色ポリエステルフィルム
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
KR20030035850A (ko) * 2001-10-22 2003-05-09 가부시키가이샤 아드반스트 디스프레이 면형상 광원장치 및 이것을 구비한 액정 표시장치
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

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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
US6648485B1 (en) * 2000-11-13 2003-11-18 International Business Machines Corporation Highly collimating tapered light guide for uniform illumination of flat panel displays
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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
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
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08240720A (ja) * 1995-03-06 1996-09-17 Hitachi Ltd 液晶表示装置
JP2002138150A (ja) * 2000-11-02 2002-05-14 Teijin Ltd 白色ポリエステルフィルム
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
KR20030035850A (ko) * 2001-10-22 2003-05-09 가부시키가이샤 아드반스트 디스프레이 면형상 광원장치 및 이것을 구비한 액정 표시장치
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

Also Published As

Publication number Publication date
JP4604801B2 (ja) 2011-01-05
US20060139960A1 (en) 2006-06-29
TW200628926A (en) 2006-08-16
JP2006210309A (ja) 2006-08-10
KR20060074845A (ko) 2006-07-03

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