FR2349905A1 - Dispositif d'affichage a cristal liquide a eclairage additionnel - Google Patents

Dispositif d'affichage a cristal liquide a eclairage additionnel

Info

Publication number
FR2349905A1
FR2349905A1 FR7712375A FR7712375A FR2349905A1 FR 2349905 A1 FR2349905 A1 FR 2349905A1 FR 7712375 A FR7712375 A FR 7712375A FR 7712375 A FR7712375 A FR 7712375A FR 2349905 A1 FR2349905 A1 FR 2349905A1
Authority
FR
France
Prior art keywords
liquid crystal
display device
crystal display
additional lighting
lighting liquid
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.)
Withdrawn
Application number
FR7712375A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2349905A1 publication Critical patent/FR2349905A1/fr
Withdrawn legal-status Critical Current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
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13725—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on guest-host interaction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
FR7712375A 1976-04-30 1977-04-25 Dispositif d'affichage a cristal liquide a eclairage additionnel Withdrawn FR2349905A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762619367 DE2619367A1 (de) 1976-04-30 1976-04-30 Fluessigkristallanzeige mit zusatzbeleuchtung

Publications (1)

Publication Number Publication Date
FR2349905A1 true FR2349905A1 (fr) 1977-11-25

Family

ID=5976868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712375A Withdrawn FR2349905A1 (fr) 1976-04-30 1977-04-25 Dispositif d'affichage a cristal liquide a eclairage additionnel

Country Status (6)

Country Link
US (1) US4167307A (fr)
JP (1) JPS52133783A (fr)
DE (1) DE2619367A1 (fr)
FR (1) FR2349905A1 (fr)
GB (1) GB1566516A (fr)
SE (1) SE7705006L (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382732A1 (fr) * 1977-03-02 1978-09-29 Siemens Ag Appareil d'affichage optique et procede pour fabriquer un revetement reflechissant pour un tel appareil
FR2417155A1 (fr) * 1978-02-13 1979-09-07 Siemens Ag Dispositif d'affichage a cristal liquide comportant une plaque fluorescente
EP0185495A2 (fr) * 1984-12-18 1986-06-25 Itt Industries, Inc. Panneau d'affichage à cristaux liquides
WO1995027920A1 (fr) * 1994-04-06 1995-10-19 Screen Technology Limited Ecran d'affichage

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712325A1 (de) * 1977-03-21 1978-09-28 Siemens Ag Optisches anzeigeelement
DE2753203A1 (de) * 1977-11-29 1979-05-31 Siemens Ag Verfahren zur darstellung eines bildes vor einem optisch kontrastierenden hintergrund
US4294517A (en) * 1979-05-14 1981-10-13 Timex Corporation Electrooptical device with encapsulated self-luminous backlight assembly
US4470666A (en) * 1979-06-18 1984-09-11 General Motors Corporation Colored liquid crystal display
US4518225A (en) * 1983-04-11 1985-05-21 Rockwell International Corporation Multicolored liquid crystal displays utilizing photoluminescent transflectors and mask
US4678285A (en) * 1984-01-13 1987-07-07 Ricoh Company, Ltd. Liquid crystal color display device
US4772885A (en) * 1984-11-22 1988-09-20 Ricoh Company, Ltd. Liquid crystal color display device
DE3511838C2 (de) * 1985-03-30 1987-05-14 Braun Ag, 6000 Frankfurt Uhr mit Taschenlampe
NO159899C (no) * 1986-03-25 1989-02-15 Kjell Hansen Skjerm for bildefremvisning og/eller -opptak.
CA1274613A (fr) * 1986-12-24 1990-09-25 Leendert Vriens Dispositifs connexes de projection et d'affichage
JPH039320A (ja) * 1989-06-06 1991-01-17 Asahi Optical Co Ltd 液晶表示装置
US5018837A (en) * 1989-07-03 1991-05-28 Motorola, Inc. Enhanced contrast liquid crystal display device
JPH05127161A (ja) * 1991-11-07 1993-05-25 Rohm Co Ltd 液晶表示装置及びそのバツクライト
GB2262619A (en) * 1991-11-30 1993-06-23 Meitaku Syst Kk Edge light panel and its production
US5815228A (en) * 1996-12-06 1998-09-29 Ericsson Inc. Lighting for liquid crystal displays
EP1069463A3 (fr) * 1999-07-15 2004-08-04 Alps Electric Co., Ltd. Dispositif d'affichage à cristal liquide du type à matrice active
GB2361087A (en) * 2000-04-05 2001-10-10 Chien Liang Chen Illumination Arrangements for a Liquid Crystal Display
JP2003098272A (ja) * 2001-07-17 2003-04-03 Casio Comput Co Ltd 電子機器および液晶表示装置
US7219893B2 (en) * 2003-05-14 2007-05-22 Aruze Corporation Gaming machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837730A (en) * 1973-11-28 1974-09-24 Bell Telephone Labor Inc Matrix-addressed liquid crystal display
US3833287A (en) * 1973-03-08 1974-09-03 Bell Telephone Labor Inc Guest-host liquid crystal device
CH1206174A4 (fr) * 1973-09-07 1977-05-31 Seiko Instr & Electronics Montre-bracelet électronique
US3864905A (en) * 1973-11-14 1975-02-11 Hoffmann La Roche Horological instrument incorporating means for illuminating a liquid crystal display
US4043636A (en) * 1974-12-23 1977-08-23 Intel Corporation Illumination-panel for liquid crystal display of similar device
US4006968A (en) * 1975-05-02 1977-02-08 Hughes Aircraft Company Liquid crystal dot color display

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382732A1 (fr) * 1977-03-02 1978-09-29 Siemens Ag Appareil d'affichage optique et procede pour fabriquer un revetement reflechissant pour un tel appareil
FR2417155A1 (fr) * 1978-02-13 1979-09-07 Siemens Ag Dispositif d'affichage a cristal liquide comportant une plaque fluorescente
EP0185495A2 (fr) * 1984-12-18 1986-06-25 Itt Industries, Inc. Panneau d'affichage à cristaux liquides
EP0185495A3 (fr) * 1984-12-18 1988-09-14 Itt Industries, Inc. Panneau d'affichage à cristaux liquides
WO1995027920A1 (fr) * 1994-04-06 1995-10-19 Screen Technology Limited Ecran d'affichage
GB2301928A (en) * 1994-04-06 1996-12-18 Screen Tech Ltd Display screen
GB2301928B (en) * 1994-04-06 1999-01-06 Screen Tech Ltd Display screen

Also Published As

Publication number Publication date
SE7705006L (sv) 1977-10-31
GB1566516A (en) 1980-04-30
JPS52133783A (en) 1977-11-09
DE2619367A1 (de) 1977-11-17
US4167307A (en) 1979-09-11

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Legal Events

Date Code Title Description
ST Notification of lapse