DE3750364D1 - Beleuchtungssystem für Flüssigkristallanzeige. - Google Patents

Beleuchtungssystem für Flüssigkristallanzeige.

Info

Publication number
DE3750364D1
DE3750364D1 DE3750364T DE3750364T DE3750364D1 DE 3750364 D1 DE3750364 D1 DE 3750364D1 DE 3750364 T DE3750364 T DE 3750364T DE 3750364 T DE3750364 T DE 3750364T DE 3750364 D1 DE3750364 D1 DE 3750364D1
Authority
DE
Germany
Prior art keywords
source
panel
light
liquid crystal
crystal display
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
DE3750364T
Other languages
English (en)
Other versions
DE3750364T2 (de
Inventor
John Alfred Clarke
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3750364D1 publication Critical patent/DE3750364D1/de
Publication of DE3750364T2 publication Critical patent/DE3750364T2/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
    • G09F13/00—Illuminated signs; Luminous advertising
    • 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)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Details Of Measuring Devices (AREA)
  • Indicating Measured Values (AREA)
DE3750364T 1986-12-17 1987-12-10 Beleuchtungssystem für Flüssigkristallanzeige. Expired - Fee Related DE3750364T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08630155A GB2198867A (en) 1986-12-17 1986-12-17 A liquid crystal display illumination system

Publications (2)

Publication Number Publication Date
DE3750364D1 true DE3750364D1 (de) 1994-09-15
DE3750364T2 DE3750364T2 (de) 1995-02-23

Family

ID=10609157

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3750364T Expired - Fee Related DE3750364T2 (de) 1986-12-17 1987-12-10 Beleuchtungssystem für Flüssigkristallanzeige.

Country Status (8)

Country Link
US (1) US4915479A (de)
EP (1) EP0271956B1 (de)
JP (1) JP2713408B2 (de)
KR (1) KR960004645B1 (de)
CN (1) CN1021603C (de)
AT (1) ATE109904T1 (de)
DE (1) DE3750364T2 (de)
GB (1) GB2198867A (de)

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Publication number Publication date
EP0271956A3 (en) 1990-05-30
KR960004645B1 (ko) 1996-04-11
CN1021603C (zh) 1993-07-14
US4915479A (en) 1990-04-10
DE3750364T2 (de) 1995-02-23
ATE109904T1 (de) 1994-08-15
JP2713408B2 (ja) 1998-02-16
EP0271956B1 (de) 1994-08-10
CN87107536A (zh) 1988-06-29
GB8630155D0 (en) 1987-01-28
GB2198867A (en) 1988-06-22
EP0271956A2 (de) 1988-06-22
JPS63163305A (ja) 1988-07-06
KR880008227A (ko) 1988-08-30

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