DE69936298D1 - Lichtleiterplatte, oberflächenlichtquelle, reflektierende flüssigkristallanzeige - Google Patents

Lichtleiterplatte, oberflächenlichtquelle, reflektierende flüssigkristallanzeige

Info

Publication number
DE69936298D1
DE69936298D1 DE69936298T DE69936298T DE69936298D1 DE 69936298 D1 DE69936298 D1 DE 69936298D1 DE 69936298 T DE69936298 T DE 69936298T DE 69936298 T DE69936298 T DE 69936298T DE 69936298 D1 DE69936298 D1 DE 69936298D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
guide plate
reflective liquid
light source
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 - Lifetime
Application number
DE69936298T
Other languages
English (en)
Inventor
Shuuji Yano
Seiji Umemoto
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko 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 Nitto Denko Corp filed Critical Nitto Denko Corp
Application granted granted Critical
Publication of DE69936298D1 publication Critical patent/DE69936298D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/0035—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
    • 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
DE69936298T 1998-04-14 1999-04-13 Lichtleiterplatte, oberflächenlichtquelle, reflektierende flüssigkristallanzeige Expired - Lifetime DE69936298D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10121762A JPH11297115A (ja) 1998-04-14 1998-04-14 導光板、面光源装置及び反射型液晶表示装置
PCT/JP1999/001963 WO1999053370A1 (fr) 1998-04-14 1999-04-13 Plaque guide optique, dispositif source de lumiere superficielle, ecran a cristaux liquides reflectif

Publications (1)

Publication Number Publication Date
DE69936298D1 true DE69936298D1 (de) 2007-07-26

Family

ID=14819265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936298T Expired - Lifetime DE69936298D1 (de) 1998-04-14 1999-04-13 Lichtleiterplatte, oberflächenlichtquelle, reflektierende flüssigkristallanzeige

Country Status (6)

Country Link
US (1) US6585386B1 (de)
EP (1) EP1072929B1 (de)
JP (1) JPH11297115A (de)
KR (1) KR20010042691A (de)
DE (1) DE69936298D1 (de)
WO (1) WO1999053370A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4986198B2 (ja) * 2001-03-15 2012-07-25 日東電工株式会社 光学フィルム及び液晶表示装置
WO2003085424A1 (fr) * 2002-04-08 2003-10-16 Nitto Denko Corporation Feuille a diffusion de lumiere, dispositif optique, et afficheur d'image
AU2003215839A1 (en) * 2002-04-25 2003-11-10 Koninklijke Philips Electronics N.V. Compact lighting system and display device
KR20040104598A (ko) * 2002-04-25 2004-12-10 닛토덴코 가부시키가이샤 광확산성 시트, 광학소자 및 화상 표시장치
TW575185U (en) * 2002-11-15 2004-02-01 Hon Hai Prec Ind Co Ltd Backlight system and light guide plate thereof
KR100546604B1 (ko) * 2003-04-29 2006-01-26 엘지전자 주식회사 디스플레이 장치
JP2008257259A (ja) * 2008-05-15 2008-10-23 Nitto Denko Corp 液晶表示装置及び導光板
TWI408405B (zh) 2009-10-27 2013-09-11 Eternal Chemical Co Ltd 光學膜複合物
US20130083080A1 (en) * 2011-09-30 2013-04-04 Apple Inc. Optical system and method to mimic zero-border display
CN102759211A (zh) * 2012-02-22 2012-10-31 梁宝利 锥形光导管聚能发射器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212048A (en) 1978-06-16 1980-07-08 General Electric Company Illuminator for reflective dichroic liquid crystal displays
DE3102626A1 (de) * 1981-01-27 1982-08-19 Siemens AG, 1000 Berlin und 8000 München "passive elektrooptische anzeigevorrichtung"
JPH04356014A (ja) * 1991-01-14 1992-12-09 Murata Mach Ltd 液晶表示装置
JP3007735B2 (ja) 1991-12-03 2000-02-07 シャープ株式会社 液晶表示装置
JP3015174B2 (ja) * 1991-12-03 2000-03-06 シャープ株式会社 液晶表示装置
JP3286138B2 (ja) * 1995-08-03 2002-05-27 日東電工株式会社 導光板、面光源装置、偏光光源装置及び液晶表示装置
US5914760A (en) * 1996-06-21 1999-06-22 Casio Computer Co., Ltd. Surface light source device and liquid crystal display device using the same
US6151089A (en) * 1998-01-20 2000-11-21 Sony Corporation Reflection type display with light waveguide with inclined and planar surface sections
JP3642381B2 (ja) * 1998-02-26 2005-04-27 日東電工株式会社 導光板、面光源装置及び反射型液晶表示装置
JPH11259007A (ja) * 1998-03-10 1999-09-24 Sony Corp 反射型表示装置
KR100634712B1 (ko) * 1998-04-17 2006-10-17 니또 덴꼬 코포레이션 도광판, 표면 광원 장치 및 반사형 액정 디스플레이

Also Published As

Publication number Publication date
EP1072929A1 (de) 2001-01-31
KR20010042691A (ko) 2001-05-25
WO1999053370A1 (fr) 1999-10-21
EP1072929A4 (de) 2001-05-02
EP1072929B1 (de) 2007-06-13
JPH11297115A (ja) 1999-10-29
US6585386B1 (en) 2003-07-01

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Legal Events

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