DE69027196D1 - Flüssigkristallanzeige mit faseroptischer Frontplatte - Google Patents

Flüssigkristallanzeige mit faseroptischer Frontplatte

Info

Publication number
DE69027196D1
DE69027196D1 DE69027196T DE69027196T DE69027196D1 DE 69027196 D1 DE69027196 D1 DE 69027196D1 DE 69027196 T DE69027196 T DE 69027196T DE 69027196 T DE69027196 T DE 69027196T DE 69027196 D1 DE69027196 D1 DE 69027196D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
fiber optic
front panel
optic front
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
DE69027196T
Other languages
English (en)
Other versions
DE69027196T2 (de
Inventor
Laurence M Hubby
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69027196D1 publication Critical patent/DE69027196D1/de
Application granted granted Critical
Publication of DE69027196T2 publication Critical patent/DE69027196T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE69027196T 1990-01-09 1990-12-11 Flüssigkristallanzeige mit faseroptischer Frontplatte Expired - Fee Related DE69027196T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/462,679 US5035490A (en) 1990-01-09 1990-01-09 Fiber optic

Publications (2)

Publication Number Publication Date
DE69027196D1 true DE69027196D1 (de) 1996-07-04
DE69027196T2 DE69027196T2 (de) 1996-11-28

Family

ID=23837372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027196T Expired - Fee Related DE69027196T2 (de) 1990-01-09 1990-12-11 Flüssigkristallanzeige mit faseroptischer Frontplatte

Country Status (4)

Country Link
US (1) US5035490A (de)
EP (1) EP0436853B1 (de)
JP (1) JP3203000B2 (de)
DE (1) DE69027196T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181130A (en) * 1990-01-09 1993-01-19 Hewlett-Packard Company Fiber optic faceplate liquid crystal display
EP0525755A1 (de) * 1991-07-30 1993-02-03 Nitto Denko Corporation Flüssigkristallanzeige
EP0618476A1 (de) * 1993-03-31 1994-10-05 Hughes Aircraft Company Durchlicht-Projektionsschirm mit Unterdrückung von ausser-axialem Sonnenlicht
US5594561A (en) * 1993-03-31 1997-01-14 Palomar Technologies Corporation Flat panel display with elliptical diffuser and fiber optic plate
JP3144607B2 (ja) * 1993-04-09 2001-03-12 富士写真フイルム株式会社 光スイッチング素子
US5329386A (en) * 1993-04-13 1994-07-12 Hewlett-Packard Company Fiber-optic faceplate with tilted fibers
US5442467A (en) * 1994-03-21 1995-08-15 Xerox Corporation Enhanced off-axis viewing performance and luminous efficiency of a liquid crystal display employing fiberoptic faceplate elements
US5629784A (en) * 1994-04-12 1997-05-13 Ois Optical Imaging Systems, Inc. Liquid crystal display with holographic diffuser and prism sheet on viewer side
TW343290B (en) * 1994-06-09 1998-10-21 Hitachi Ltd Reflection type liquid crystal display device and reflection type color liquid crystal display device
US5521726A (en) * 1994-08-26 1996-05-28 Alliedsignal Inc. Polarizer with an array of tapered waveguides
JPH095745A (ja) * 1995-06-07 1997-01-10 Xerox Corp カラー液晶ディスプレイ装置の光ファイバフェースプレート
TW329500B (en) 1995-11-14 1998-04-11 Handotai Energy Kenkyusho Kk Electro-optical device
JPH09146108A (ja) * 1995-11-17 1997-06-06 Semiconductor Energy Lab Co Ltd 液晶表示装置およびその駆動方法
JP3708620B2 (ja) * 1996-03-01 2005-10-19 株式会社半導体エネルギー研究所 アクティブマトリクス型液晶電気光学装置
US6339463B1 (en) 1997-03-27 2002-01-15 Xerox Corporation Enhanced viewing angle performance on non-polarizer based color reflective liquid crystal display using a fiber-optic faceplate
US5963284A (en) * 1998-04-01 1999-10-05 Ois Optical Imaging Systems, Inc. LCD with diffuser having diffusing particles therein located between polarizers
GB0010697D0 (en) * 2000-05-03 2000-06-28 Microsharp Corp Limited Reflective light diffuser
JP4703887B2 (ja) * 2001-04-27 2011-06-15 株式会社半導体エネルギー研究所 画像表示装置
US7110175B2 (en) * 2004-02-27 2006-09-19 Bose Corporation Display screens
US20060251365A1 (en) * 2005-05-04 2006-11-09 Brewer Donald R Watch fiber optic image guide
US8717660B2 (en) 2012-07-03 2014-05-06 Qualcomm Mems Technologies, Inc. Annulus scattering diffuser for reflective display

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461239A1 (de) * 1974-12-23 1976-06-24 Berkel Patent Nv Vorrichtung zur digitalen anzeige von messdaten, insbesondere bei einer waage
JPS5464494A (en) * 1977-10-31 1979-05-24 Sharp Corp Liquid crystal display unit
JPS55110217A (en) * 1979-02-19 1980-08-25 Sharp Corp Driving system of liquid crystal display device
JPS5938591B2 (ja) * 1979-02-20 1984-09-18 シャープ株式会社 液晶表示装置
US4241984A (en) * 1979-06-04 1980-12-30 Timex Corporation Simplified field effect, twisted nematic liquid crystal display construction
US4349817A (en) * 1980-01-28 1982-09-14 Hoffman William C Liquid crystal display system using fiber optic faceplates
JPS56117217A (en) * 1980-02-21 1981-09-14 Sharp Corp Liquid-crystal display recorder
US4344668A (en) * 1980-03-17 1982-08-17 Hughes Aircraft Company Fiber optic light traps for electro-optical display devices
EP0130492A3 (de) * 1983-07-01 1987-07-15 Koninklijke Philips Electronics N.V. Flüssigkristallanzeige
US4674840A (en) * 1983-12-22 1987-06-23 Polaroid Corporation, Patent Dept. Liquid crystal display with polarizer and biaxial birefringent support
US4859037A (en) * 1986-02-18 1989-08-22 Seiko Epson Corporation Liquid crystal electrically-controlled birefringence display devices with improved contrast

Also Published As

Publication number Publication date
EP0436853B1 (de) 1996-05-29
DE69027196T2 (de) 1996-11-28
EP0436853A3 (en) 1992-03-25
JPH04212124A (ja) 1992-08-03
JP3203000B2 (ja) 2001-08-27
EP0436853A2 (de) 1991-07-17
US5035490A (en) 1991-07-30

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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: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8339 Ceased/non-payment of the annual fee