DE69633758D1 - Lichtleiterfolie - Google Patents

Lichtleiterfolie

Info

Publication number
DE69633758D1
DE69633758D1 DE69633758T DE69633758T DE69633758D1 DE 69633758 D1 DE69633758 D1 DE 69633758D1 DE 69633758 T DE69633758 T DE 69633758T DE 69633758 T DE69633758 T DE 69633758T DE 69633758 D1 DE69633758 D1 DE 69633758D1
Authority
DE
Germany
Prior art keywords
light
guiding sheet
guiding
sheet
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
DE69633758T
Other languages
English (en)
Other versions
DE69633758T2 (de
Inventor
Johji Mamiya
Masaru Suzuki
Yoshinori Momose
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.)
AU Optronics Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69633758D1 publication Critical patent/DE69633758D1/de
Publication of DE69633758T2 publication Critical patent/DE69633758T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • 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
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • 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
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing 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
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • 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
    • G02F1/133528—Polarisers
    • G02F1/13355—Polarising beam splitters [PBS]
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DE69633758T 1995-06-22 1996-06-13 Lichtleiterfolie Expired - Fee Related DE69633758T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7155735A JPH095739A (ja) 1995-06-22 1995-06-22 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
JP15573595 1995-06-22

Publications (2)

Publication Number Publication Date
DE69633758D1 true DE69633758D1 (de) 2004-12-09
DE69633758T2 DE69633758T2 (de) 2005-11-10

Family

ID=15612310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633758T Expired - Fee Related DE69633758T2 (de) 1995-06-22 1996-06-13 Lichtleiterfolie

Country Status (7)

Country Link
US (1) US5764322A (de)
EP (1) EP0750209B1 (de)
JP (1) JPH095739A (de)
KR (1) KR0184630B1 (de)
CA (1) CA2177919A1 (de)
DE (1) DE69633758T2 (de)
TW (1) TW436657B (de)

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JP2830972B2 (ja) * 1995-03-06 1998-12-02 株式会社日立製作所 液晶表示装置
EP0789857B1 (de) * 1995-08-23 2004-06-30 Koninklijke Philips Electronics N.V. Beleuchtungssystem für eine flachtafel-bildanzeigevorrichtung
US6239851B1 (en) 1995-10-12 2001-05-29 Ibm Corporation Planar light source device having polarization separator formed of two sheets with mating triangular prisms and different indices of refraction
US6104454A (en) * 1995-11-22 2000-08-15 Hitachi, Ltd Liquid crystal display
JP3402138B2 (ja) * 1996-09-27 2003-04-28 株式会社日立製作所 液晶表示装置
DE69836042T2 (de) * 1997-03-04 2007-02-22 Matsushita Electric Industrial Co., Ltd., Kadoma Lineare Beleuchtungsvorrichtung
KR100229614B1 (ko) * 1997-04-10 1999-11-15 구자홍 액정표시장치
JP4130492B2 (ja) * 1998-02-09 2008-08-06 日東電工株式会社 異種ポリマー配列板の製造方法
GB9803327D0 (en) * 1998-02-17 1998-04-15 Ici Plc An edge-lit illumination system
JPH11352474A (ja) * 1998-06-08 1999-12-24 Sharp Corp 液晶表示装置用バックライト及び液晶表示装置
US6234639B1 (en) 1998-06-15 2001-05-22 Asahi Kogaku Kogyo Kabushiki Kaisha Polarization converter and lighting device for LCD panel
GB2340280A (en) * 1998-08-03 2000-02-16 Lite On Electronics Inc Grating structure for lightguide of a display backlight
CN1134607C (zh) * 1998-11-27 2004-01-14 夏普株式会社 照明装置以及使用该照明装置的液晶显示装置
JP3906956B2 (ja) * 1998-12-24 2007-04-18 株式会社 日立ディスプレイズ 液晶表示装置
JP3574365B2 (ja) * 1999-05-28 2004-10-06 ユニベルシテ・ド・リエージュ 照明装置、その用い方及び製造方法
US6532052B1 (en) 1999-08-23 2003-03-11 Kent Displays, Inc. Brightness enhancement for bistable cholesteric displays
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JP3457591B2 (ja) * 1999-10-08 2003-10-20 インターナショナル・ビジネス・マシーンズ・コーポレーション 液晶表示装置
JP2003519898A (ja) 2000-01-14 2003-06-24 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 表示装置
JP2003532269A (ja) * 2000-05-04 2003-10-28 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 画像表示装置及び該画像表示装置において光伝導体を製造する方法
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US8384674B1 (en) 2001-01-30 2013-02-26 Hewlett-Packard Development Company, L.P. Integrated enclosure/touch screen assembly
JP2002268061A (ja) * 2001-03-09 2002-09-18 Nitto Denko Corp 反射型液晶表示装置
AUPR401101A0 (en) * 2001-03-27 2001-04-26 Solaglo Pty Ltd Illuminated background display apparatus
JP4059692B2 (ja) 2001-04-24 2008-03-12 シャープ株式会社 照明装置およびそれを備える表示装置ならびに導光板
US6992659B2 (en) 2001-05-22 2006-01-31 Palmone, Inc. High transparency integrated enclosure touch screen assembly for a portable hand held device
US7142195B2 (en) 2001-06-04 2006-11-28 Palm, Inc. Interface for interaction with display visible from both sides
JP3801032B2 (ja) * 2001-11-29 2006-07-26 日本電気株式会社 光源とこの光源を用いた液晶表示装置
US7852430B1 (en) * 2001-11-29 2010-12-14 Palm, Inc. Light guide spacers for backlighting a reflective display
WO2003069399A1 (fr) * 2002-02-14 2003-08-21 Sony Corporation Unite d'affichage a cristaux liquides
US7425089B2 (en) * 2002-11-06 2008-09-16 Sharp Kabushiki Kaisha Lighting device and image display unit and light guide provided with it
TW556844U (en) * 2002-12-20 2003-10-01 Hon Hai Prec Ind Co Ltd Lightguide plate and surface-light source
US20040202003A1 (en) * 2003-04-11 2004-10-14 Guide Corporation Selective output wave-guide
JP2005038822A (ja) * 2003-06-26 2005-02-10 Sharp Corp フラットパネルディスプレイ用照明装置、および、発光ランプ
KR100677122B1 (ko) * 2004-06-23 2007-02-02 삼성전자주식회사 백라이트 유닛용 도광판 및 그 제조방법
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US7220046B2 (en) * 2004-07-29 2007-05-22 Hewlett-Packard Development Company, L.P. Replaceable lamp header
US7542117B2 (en) * 2004-09-16 2009-06-02 Sharp Kabushiki Kaisha Liquid crystal display device having a selective reflection layer, mobile electronic device incorporating the same, and substrate for liquid crystal display device having a selective reflection layer
US7280275B2 (en) * 2005-08-01 2007-10-09 Agilent Technologies, Inc. High efficiency beam distribution with independent wavefront correction
WO2007018079A1 (ja) * 2005-08-05 2007-02-15 Sharp Kabushiki Kaisha 液晶表示装置およびそれを備えた携帯型電子機器
JP2007047409A (ja) * 2005-08-09 2007-02-22 Sharp Corp 液晶表示装置およびそれを備えた携帯型電子機器
CN100585270C (zh) * 2005-08-12 2010-01-27 夏普株式会社 背光单元和液晶显示装置
US7973880B2 (en) 2005-09-02 2011-07-05 Sharp Kabushiki Kaisha Illumination device and liquid crystal display device
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
US7515143B2 (en) * 2006-02-28 2009-04-07 Microsoft Corporation Uniform illumination of interactive display panel
WO2008047346A2 (en) * 2006-10-17 2008-04-24 Oms Displays Ltd. Semitransparent integrated optic mirror
WO2009116012A2 (en) * 2008-03-19 2009-09-24 I2Ic Corporation A directional linear light source
TW200946827A (en) * 2008-05-12 2009-11-16 Radiant Opto Electronics Corp Lighting apparatus
JP2009288373A (ja) * 2008-05-28 2009-12-10 Seiko Epson Corp 液晶装置、および電子機器
JP2009288372A (ja) * 2008-05-28 2009-12-10 Seiko Epson Corp 液晶装置、および電子機器
US10061158B2 (en) * 2012-10-31 2018-08-28 Apple Inc. Light guide plate with integrated reflector for display backlight
CN103968306A (zh) * 2014-05-27 2014-08-06 深圳市华星光电技术有限公司 背光模组以及液晶显示器
KR102297895B1 (ko) * 2015-01-22 2021-09-02 엘지디스플레이 주식회사 도광판 및 이를 포함하는 액정표시장치
US10007046B2 (en) * 2015-08-14 2018-06-26 Radiant Opto-Electronics (Suzhou) Co., Ltd. Light guide film, backlight module and display device having the same
KR102360611B1 (ko) * 2017-07-13 2022-02-09 엘지전자 주식회사 디스플레이 디바이스
WO2020115735A1 (en) * 2018-12-05 2020-06-11 Elbit Systems Ltd Display illumination optics
CN113671619B (zh) * 2020-05-14 2023-08-25 四川龙华光电薄膜股份有限公司 反射式显示装置及其前置光源模块
CN114446200A (zh) * 2022-01-30 2022-05-06 重庆长安新能源汽车科技有限公司 一种能够发光的汽车徽标

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Also Published As

Publication number Publication date
CA2177919A1 (en) 1996-12-23
JPH095739A (ja) 1997-01-10
EP0750209A1 (de) 1996-12-27
TW436657B (en) 2001-05-28
EP0750209B1 (de) 2004-11-03
KR0184630B1 (ko) 1999-05-01
KR970002816A (ko) 1997-01-28
US5764322A (en) 1998-06-09
DE69633758T2 (de) 2005-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AU OPTRONICS CORP., HSINCHU, TW

8339 Ceased/non-payment of the annual fee