WO2003040784A1 - Feuille a prismes, unite d'eclairage arriere utilisant cette feuille et dispositif d'affichage a cristaux liquides transmissifs - Google Patents

Feuille a prismes, unite d'eclairage arriere utilisant cette feuille et dispositif d'affichage a cristaux liquides transmissifs Download PDF

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Publication number
WO2003040784A1
WO2003040784A1 PCT/JP2002/011537 JP0211537W WO03040784A1 WO 2003040784 A1 WO2003040784 A1 WO 2003040784A1 JP 0211537 W JP0211537 W JP 0211537W WO 03040784 A1 WO03040784 A1 WO 03040784A1
Authority
WO
WIPO (PCT)
Prior art keywords
prism sheet
liquid crystal
display device
crystal display
transmissive liquid
Prior art date
Application number
PCT/JP2002/011537
Other languages
English (en)
French (fr)
Inventor
Sayuri Kohara
Fumiaki Yamada
Daiju Nakano
Original Assignee
International Business Machines Corporation
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 International Business Machines Corporation filed Critical International Business Machines Corporation
Priority to US10/494,747 priority Critical patent/US7661863B2/en
Priority to JP2003542367A priority patent/JP4351534B2/ja
Priority to EP02779997A priority patent/EP1455203A4/en
Publication of WO2003040784A1 publication Critical patent/WO2003040784A1/ja
Priority to US12/117,195 priority patent/US7661864B2/en

Links

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
    • G02B6/005—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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
PCT/JP2002/011537 2001-11-07 2002-11-05 Feuille a prismes, unite d'eclairage arriere utilisant cette feuille et dispositif d'affichage a cristaux liquides transmissifs WO2003040784A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/494,747 US7661863B2 (en) 2001-11-07 2002-11-05 Prism sheet including reflective elements with different curvature surfaces
JP2003542367A JP4351534B2 (ja) 2001-11-07 2002-11-05 プリズムシート、該プリズムシートを使用したバックライト・ユニットおよび透過型液晶表示装置
EP02779997A EP1455203A4 (en) 2001-11-07 2002-11-05 PRISM LEAFLET, RETRIEVAL UNIT WITH THE PRISM LEAF AND SURFACTANT LIQUID CRYSTAL DISPLAY EQUIPMENT
US12/117,195 US7661864B2 (en) 2001-11-07 2008-05-08 Back-light unit having prism sheet including reflective elements with different curvature surfaces, a back-light unit and LCD device using said back-light unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001342235 2001-11-07
JP2001-342235 2001-11-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/117,195 Continuation US7661864B2 (en) 2001-11-07 2008-05-08 Back-light unit having prism sheet including reflective elements with different curvature surfaces, a back-light unit and LCD device using said back-light unit

Publications (1)

Publication Number Publication Date
WO2003040784A1 true WO2003040784A1 (fr) 2003-05-15

Family

ID=19156125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/011537 WO2003040784A1 (fr) 2001-11-07 2002-11-05 Feuille a prismes, unite d'eclairage arriere utilisant cette feuille et dispositif d'affichage a cristaux liquides transmissifs

Country Status (7)

Country Link
US (2) US7661863B2 (ja)
EP (1) EP1455203A4 (ja)
JP (1) JP4351534B2 (ja)
KR (1) KR100781611B1 (ja)
CN (1) CN100529802C (ja)
TW (1) TWI258023B (ja)
WO (1) WO2003040784A1 (ja)

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* Cited by examiner, † Cited by third party
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JP2005045199A (ja) * 2003-07-25 2005-02-17 Seoul Semiconductor Co Ltd チップ発光ダイオード及びその製造方法
JP2005049857A (ja) * 2003-07-15 2005-02-24 Mitsubishi Rayon Co Ltd 光源装置
US7303323B2 (en) 2003-11-12 2007-12-04 Lg Electronics Inc. Backlight assembly of liquid crystal display
JP2008122912A (ja) * 2006-11-14 2008-05-29 Samsung Electronics Co Ltd 光学部材の製造方法
JP2008153106A (ja) * 2006-12-19 2008-07-03 Kuraray Co Ltd 面光源素子およびそれを用いた画像表示装置
JPWO2006107105A1 (ja) * 2005-04-01 2008-10-02 ソニー株式会社 バックライト装置、液晶表示装置及び光偏向シート
JP2009053511A (ja) * 2007-08-28 2009-03-12 Dainippon Printing Co Ltd 光制御シート、面光源装置、透過型表示装置
JP2009157405A (ja) * 2002-03-15 2009-07-16 Mitsubishi Rayon Co Ltd 光偏向素子及び面光源装置
JP2009199832A (ja) * 2008-02-20 2009-09-03 Sony Corp 照明装置および表示装置
JP2011515671A (ja) * 2008-03-20 2011-05-19 シーメンス アクチエンゲゼルシヤフト 光学式測定装置およびタービン
JP2014085404A (ja) * 2012-10-19 2014-05-12 Dainippon Printing Co Ltd プリズムシート、面光源装置および表示装置
WO2017017946A1 (ja) * 2015-07-30 2017-02-02 パナソニックＩｐマネジメント株式会社 電子ミラー装置
JP2020507907A (ja) * 2017-01-04 2020-03-12 スリーエム イノベイティブ プロパティズ カンパニー トップハット光出力分布を有する非対称光方向転換フィルム

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WO2006133458A2 (en) 2005-06-09 2006-12-14 Ubright Optronics Corporation Moire reducing optical substrates with irregular prism structures
TWI315432B (en) * 2005-11-21 2009-10-01 Optoma Corp Brightness enhancement film and backlight module
TWI339743B (en) 2005-12-06 2011-04-01 Ubright Optronics Corp A luminance enhancement film and manufacturing method thereof and method for enhancing brightness of an image
CN101356473B (zh) * 2006-01-05 2012-03-28 夏普株式会社 照明装置、显示装置和电视接收机
JP4923671B2 (ja) * 2006-03-29 2012-04-25 ソニー株式会社 液晶表示装置
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JP4962884B2 (ja) * 2006-06-06 2012-06-27 三国電子有限会社 面光源装置ならびにプリズムシートと液晶表示装置
TWI384260B (zh) 2006-06-30 2013-02-01 Ubright Optronics Corp 具有瑕疵遮蔽結構之增亮光學基板
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US7766528B2 (en) * 2006-11-15 2010-08-03 3M Innovative Properties Company Back-lit displays with high illumination uniformity
JP2008177070A (ja) * 2007-01-19 2008-07-31 Sony Corp 光制御素子、面光源装置および液晶表示装置
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US20110102311A1 (en) * 2008-02-15 2011-05-05 Tomoko Nango Backlight unit and liquid crystal display device
CN102057416A (zh) 2008-06-05 2011-05-11 可乐丽股份有限公司 塑料片材和灯饰标志牌
US8233115B2 (en) * 2008-07-25 2012-07-31 Honeywell International Inc. Flat panel display assembly with improved luminance uniformity and method for constructing the same
KR100978078B1 (ko) * 2008-08-26 2010-08-26 삼성전자주식회사 프리즘 시트와 이를 구비한 액정표시장치
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US8033693B2 (en) 2009-04-30 2011-10-11 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Lighting structure with multiple reflective surfaces
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CN102155711A (zh) * 2010-02-12 2011-08-17 中强光电股份有限公司 光学片
US20110241977A1 (en) * 2010-04-01 2011-10-06 Microsoft Corporation Enhanced viewing brightness for surface display
TWI467084B (zh) 2011-01-28 2015-01-01 窗組及其導光膜
US8107164B2 (en) * 2010-06-03 2012-01-31 Chi Lin Technology Co., Ltd. Window system and light guiding film therein
WO2012173117A1 (ja) * 2011-06-14 2012-12-20 住友化学株式会社 バックライト装置及び液晶表示装置
US9588264B2 (en) * 2011-10-12 2017-03-07 Corning Incorporated Bezel-concealing display covers and display devices
CN102588835B (zh) * 2012-02-08 2016-01-13 苏州晶智科技有限公司 一种用于液晶显示器的新型背光模组
CN103123691B (zh) * 2013-02-26 2019-02-12 百度在线网络技术（北京）有限公司 一种莫尔条纹的过滤方法和装置
TWI490526B (zh) * 2013-07-05 2015-07-01 Pixart Imaging Inc 光學感測模組及具有該光學感測模組之電子裝置
WO2015147491A1 (ko) * 2014-03-27 2015-10-01 주식회사 엘엠에스 역프리즘 복합시트 및 이를 포함한 백라이트 유닛 및 액정표시장치
JP2015195181A (ja) * 2014-03-28 2015-11-05 大日本印刷株式会社 面光源装置および表示装置
CN109655958B (zh) * 2018-09-13 2020-11-10 韩国高一智株式会社 一种带有凹角形状的导光板及使用该导光板的背光模组
CN111796349A (zh) * 2020-07-02 2020-10-20 Tcl华星光电技术有限公司 一种视角扩散膜片及显示面板
JP6853603B1 (ja) * 2020-09-30 2021-03-31 サンテック株式会社 波長可変フィルタ
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009157405A (ja) * 2002-03-15 2009-07-16 Mitsubishi Rayon Co Ltd 光偏向素子及び面光源装置
JP2005049857A (ja) * 2003-07-15 2005-02-24 Mitsubishi Rayon Co Ltd 光源装置
JP4544517B2 (ja) * 2003-07-15 2010-09-15 三菱レイヨン株式会社 光源装置
JP2007235182A (ja) * 2003-07-25 2007-09-13 Seoul Semiconductor Co Ltd チップ発光ダイオード
USRE42112E1 (en) 2003-07-25 2011-02-08 Seoul Semiconductor Co., Ltd. Chip light emitting diode and fabrication method thereof
JP2005045199A (ja) * 2003-07-25 2005-02-17 Seoul Semiconductor Co Ltd チップ発光ダイオード及びその製造方法
US7303323B2 (en) 2003-11-12 2007-12-04 Lg Electronics Inc. Backlight assembly of liquid crystal display
CN100397184C (zh) * 2003-11-12 2008-06-25 Lg电子株式会社 液晶显示器的背光组件
JPWO2006107105A1 (ja) * 2005-04-01 2008-10-02 ソニー株式会社 バックライト装置、液晶表示装置及び光偏向シート
JP2008122912A (ja) * 2006-11-14 2008-05-29 Samsung Electronics Co Ltd 光学部材の製造方法
JP2008153106A (ja) * 2006-12-19 2008-07-03 Kuraray Co Ltd 面光源素子およびそれを用いた画像表示装置
JP4704326B2 (ja) * 2006-12-19 2011-06-15 株式会社クラレ 面光源素子およびそれを用いた画像表示装置
JP2009053511A (ja) * 2007-08-28 2009-03-12 Dainippon Printing Co Ltd 光制御シート、面光源装置、透過型表示装置
JP2009199832A (ja) * 2008-02-20 2009-09-03 Sony Corp 照明装置および表示装置
JP2011515671A (ja) * 2008-03-20 2011-05-19 シーメンス アクチエンゲゼルシヤフト 光学式測定装置およびタービン
JP2014085404A (ja) * 2012-10-19 2014-05-12 Dainippon Printing Co Ltd プリズムシート、面光源装置および表示装置
WO2017017946A1 (ja) * 2015-07-30 2017-02-02 パナソニックＩｐマネジメント株式会社 電子ミラー装置
JP2017030425A (ja) * 2015-07-30 2017-02-09 パナソニックＩｐマネジメント株式会社 電子ミラー装置
CN107848461A (zh) * 2015-07-30 2018-03-27 松下知识产权经营株式会社 电子镜装置
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JP2020507907A (ja) * 2017-01-04 2020-03-12 スリーエム イノベイティブ プロパティズ カンパニー トップハット光出力分布を有する非対称光方向転換フィルム
JP7076754B2 (ja) 2017-01-04 2022-05-30 スリーエム イノベイティブ プロパティズ カンパニー トップハット光出力分布を有する非対称光方向転換フィルム

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US7661863B2 (en) 2010-02-16
CN100529802C (zh) 2009-08-19
TWI258023B (en) 2006-07-11
US7661864B2 (en) 2010-02-16
EP1455203A4 (en) 2006-01-25
EP1455203A1 (en) 2004-09-08
KR20050043723A (ko) 2005-05-11
JPWO2003040784A1 (ja) 2005-03-03
CN1578915A (zh) 2005-02-09
US20070222916A1 (en) 2007-09-27
KR100781611B1 (ko) 2007-12-05
JP4351534B2 (ja) 2009-10-28
US20080212338A1 (en) 2008-09-04

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