FR2326002B3 - - Google Patents

Info

Publication number
FR2326002B3
FR2326002B3 FR7628542A FR7628542A FR2326002B3 FR 2326002 B3 FR2326002 B3 FR 2326002B3 FR 7628542 A FR7628542 A FR 7628542A FR 7628542 A FR7628542 A FR 7628542A FR 2326002 B3 FR2326002 B3 FR 2326002B3
Authority
FR
France
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
Application number
FR7628542A
Other languages
French (fr)
Other versions
FR2326002A1 (fr
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 CH1231975A external-priority patent/CH590491A5/xx
Priority claimed from CH806776A external-priority patent/CH600471A5/xx
Application filed by BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2326002A1 publication Critical patent/FR2326002A1/fr
Application granted granted Critical
Publication of FR2326002B3 publication Critical patent/FR2326002B3/fr
Granted 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0463—Portable signs, boards or panels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7628542A 1975-09-23 1976-09-22 Dispositif d'eclairage d'un dispositif d'affichage a cristal liquide a effet de champ ainsi que son procede de realisation et son application Granted FR2326002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1231975A CH590491A5 (tr) 1975-09-23 1975-09-23
CH806776A CH600471A5 (tr) 1976-06-24 1976-06-24

Publications (2)

Publication Number Publication Date
FR2326002A1 FR2326002A1 (fr) 1977-04-22
FR2326002B3 true FR2326002B3 (tr) 1979-06-01

Family

ID=25702746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628542A Granted FR2326002A1 (fr) 1975-09-23 1976-09-22 Dispositif d'eclairage d'un dispositif d'affichage a cristal liquide a effet de champ ainsi que son procede de realisation et son application

Country Status (4)

Country Link
JP (1) JPS5240095A (tr)
AT (1) AT347512B (tr)
FR (1) FR2326002A1 (tr)
GB (1) GB1557581A (tr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229783A (en) * 1979-03-12 1980-10-21 Timex Corporation Backlight for electrooptic display
DE2927100A1 (de) * 1979-07-04 1981-01-08 Siemens Ag Anordnung zur helligkeitsverstaerkung von passiven anzeigevorrichtungen
DE2930507A1 (de) * 1979-07-27 1981-02-12 Licentia Gmbh Anzeigevorrichtung
DE3424239A1 (de) * 1984-06-30 1986-01-16 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Elektronische anzeigevorrichtung
WO2005024873A1 (en) * 2003-09-08 2005-03-17 Koninklijke Philips Electronics N.V. A body and an electronic device

Also Published As

Publication number Publication date
ATA703176A (de) 1978-05-15
GB1557581A (en) 1979-12-12
JPS5240095A (en) 1977-03-28
FR2326002A1 (fr) 1977-04-22
AT347512B (de) 1978-12-27

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