DE69930025D1 - Lichtleitende Platte, Oberfläche- Lichtquellenvorrichtung, und Reflexion-Type Flüssigkristall Anzeige - Google Patents

Lichtleitende Platte, Oberfläche- Lichtquellenvorrichtung, und Reflexion-Type Flüssigkristall Anzeige

Info

Publication number
DE69930025D1
DE69930025D1 DE69930025T DE69930025T DE69930025D1 DE 69930025 D1 DE69930025 D1 DE 69930025D1 DE 69930025 T DE69930025 T DE 69930025T DE 69930025 T DE69930025 T DE 69930025T DE 69930025 D1 DE69930025 D1 DE 69930025D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
source device
type liquid
reflection type
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
DE69930025T
Other languages
English (en)
Other versions
DE69930025T2 (de
DE949376T1 (de
Inventor
Seji Umemoto
Shuji Yano
Hideo Abe
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
Priority claimed from JP10124239A external-priority patent/JPH11306829A/ja
Priority claimed from JP10228705A external-priority patent/JP2000048617A/ja
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Application granted granted Critical
Publication of DE69930025D1 publication Critical patent/DE69930025D1/de
Publication of DE69930025T2 publication Critical patent/DE69930025T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/005—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
    • G02B6/0035—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
    • G02B6/0065—Manufacturing aspects; Material aspects
DE69930025T 1998-04-17 1999-04-16 Lichtleitende Platte, Oberfläche- Lichtquellenvorrichtung, und Reflexion-Type Flüssigkristall Anzeige Expired - Lifetime DE69930025T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP12423998 1998-04-17
JP10124239A JPH11306829A (ja) 1998-04-17 1998-04-17 導光板、面光源装置及び反射型液晶表示装置
JP22870598 1998-07-28
JP10228705A JP2000048617A (ja) 1998-07-28 1998-07-28 導光板、面光源装置及び反射型液晶表示装置

Publications (2)

Publication Number Publication Date
DE69930025D1 true DE69930025D1 (de) 2006-04-27
DE69930025T2 DE69930025T2 (de) 2006-08-10

Family

ID=26460949

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69930025T Expired - Lifetime DE69930025T2 (de) 1998-04-17 1999-04-16 Lichtleitende Platte, Oberfläche- Lichtquellenvorrichtung, und Reflexion-Type Flüssigkristall Anzeige

Country Status (5)

Country Link
US (1) US6196692B1 (de)
EP (1) EP0950851B1 (de)
KR (1) KR100634712B1 (de)
DE (1) DE69930025T2 (de)
TW (1) TW521137B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11297115A (ja) * 1998-04-14 1999-10-29 Nitto Denko Corp 導光板、面光源装置及び反射型液晶表示装置
JP3520494B2 (ja) * 1998-05-11 2004-04-19 日東電工株式会社 反射型液晶表示装置
JP2000111900A (ja) * 1998-10-02 2000-04-21 Sony Corp 反射型表示装置
JP4113633B2 (ja) 1999-04-20 2008-07-09 日東電工株式会社 液晶表示装置
JP2000330098A (ja) * 1999-05-24 2000-11-30 Nitto Denko Corp 液晶セル用基板、液晶セル及び液晶表示装置
JP2000330107A (ja) * 1999-05-24 2000-11-30 Nitto Denko Corp 液晶表示装置
JP3669682B2 (ja) * 1999-06-15 2005-07-13 シャープ株式会社 反射型液晶表示装置および携帯電子機器
JP4414510B2 (ja) * 1999-06-22 2010-02-10 株式会社日立製作所 乗客用エスカレータ
KR100310946B1 (ko) * 1999-08-07 2001-10-18 구본준, 론 위라하디락사 액정표시장치 및 그 제조방법
US6421104B1 (en) 1999-10-22 2002-07-16 Motorola, Inc. Front illuminator for a liquid crystal display and method of making same
JP4251592B2 (ja) * 1999-10-25 2009-04-08 日東電工株式会社 面光源装置及び反射型液晶表示装置
JP2001166150A (ja) * 1999-12-13 2001-06-22 Nitto Denko Corp 導光板、面光源装置及び液晶表示装置
JP2001194534A (ja) 2000-01-13 2001-07-19 Nitto Denko Corp 導光板及びその製造方法
EP1143270B1 (de) * 2000-01-13 2007-03-14 Nitto Denko Corporation Optische Schicht und Flüssigkristall-Anzeigevorrichtung
EP1143269B1 (de) * 2000-01-13 2007-03-14 Nitto Denko Corporation Polarisator zur Änderung des optischen Wegs
JP4609962B2 (ja) 2000-02-02 2011-01-12 日東電工株式会社 光学フィルム
JP4442836B2 (ja) * 2000-02-02 2010-03-31 日東電工株式会社 光学フィルム
JP2001228315A (ja) * 2000-02-14 2001-08-24 Nitto Denko Corp 反射板及び液晶表示装置
JP4006918B2 (ja) * 2000-02-28 2007-11-14 オムロン株式会社 面光源装置及びその製造方法
JP2002023155A (ja) * 2000-07-05 2002-01-23 Nitto Denko Corp 反射型液晶表示装置
JP2004505553A (ja) * 2000-07-31 2004-02-19 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 画像感知表示装置
JP2002131552A (ja) 2000-10-24 2002-05-09 Nitto Denko Corp 導光板、面光源装置及び反射型液晶表示装置
JP2002139630A (ja) * 2000-10-31 2002-05-17 Alps Electric Co Ltd 導光板およびその製造方法、面発光装置並びに液晶表示装置
KR20020060325A (ko) * 2001-01-10 2002-07-18 박득일 면광원 장치의 도광판과 이의 제조방법
JP4662402B2 (ja) 2001-03-12 2011-03-30 日東電工株式会社 外光及び照明両モード用のフロントライト用の導光板、外光及び照明両モード用のフロントライト用の面光源装置並びに外光及び照明両モード用のフロントライト式の反射型液晶表示装置
KR100768271B1 (ko) * 2001-03-22 2007-10-17 삼성전자주식회사 모아레 현상을 제거하기 위한 반사형 액정표시어셈블리에서의 조명방법, 이를 적용한 반사형 액정표시어셈블리, 이들에 적용된 광 공급 유닛, 이에 적용된 광분포 변경 유닛의 제조방법
DE10134722A1 (de) * 2001-07-17 2003-02-06 Siemens Ag Kombiinstrument mit einer Flüssigkristallanzeige mit einem Reflektor auf ihrer Rückseite
US6705739B2 (en) * 2002-04-18 2004-03-16 Helix Technology Inc. Backlighting module for a display apparatus
JP2003317519A (ja) * 2002-04-18 2003-11-07 Koninkl Philips Electronics Nv 面照明装置及びこれを用いた表示装置
JP4294992B2 (ja) * 2003-03-31 2009-07-15 シャープ株式会社 反射型液晶表示装置
JP4248974B2 (ja) * 2003-09-02 2009-04-02 日東電工株式会社 光源装置および液晶表示装置
US20050095373A1 (en) * 2003-10-31 2005-05-05 Fuji Photo Film Co., Ltd. Optical compensatory sheet comprising cellulose acylate film
KR101114854B1 (ko) * 2004-12-24 2012-03-07 엘지디스플레이 주식회사 배광장치
DE102005035232A1 (de) * 2005-07-25 2007-02-01 Erich Utsch Ag Halter für ein Kfz-Kennzeichenschild
WO2007023894A1 (ja) * 2005-08-26 2007-03-01 Ccs Inc. 光照射装置及び光学部材
EP2128661A1 (de) * 2008-05-27 2009-12-02 LG Electronics Inc. Optische Folie und Flüssigkristallanzeige damit
US20090296022A1 (en) * 2008-05-28 2009-12-03 Junghoon Lee Optical sheet, backlight unit, and liquid crystal display
FR2950981A1 (fr) * 2009-10-02 2011-04-08 Francois Parmentier Film autocollant applique a l'optique guidee
US10436970B2 (en) * 2013-03-15 2019-10-08 Ideal Industries Lighting Llc Shaped optical waveguide bodies

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273206A (ja) 1985-09-27 1987-04-03 Hitachi Ltd 導光板
KR970008351B1 (ko) * 1991-12-03 1997-05-23 샤프 가부시끼가이샤 액정 표시 장치
JPH0794008A (ja) 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
DE9318362U1 (de) 1993-12-01 1994-02-03 Roehm Gmbh Gleichmäßig ausgeleuchtete Lichtleiterplatten
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
JPH09184925A (ja) * 1995-12-28 1997-07-15 Ohtsu Tire & Rubber Co Ltd :The 導光板装置
US5907375A (en) 1996-03-01 1999-05-25 Fuji Xerox Co., Ltd. Input-output unit
EP0879991A3 (de) * 1997-05-13 1999-04-21 Matsushita Electric Industrial Co., Ltd. Beleuchtungssystème

Also Published As

Publication number Publication date
DE69930025T2 (de) 2006-08-10
KR100634712B1 (ko) 2006-10-17
TW521137B (en) 2003-02-21
US6196692B1 (en) 2001-03-06
KR19990083239A (ko) 1999-11-25
EP0950851B1 (de) 2006-03-01
EP0950851A1 (de) 1999-10-20

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