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CH590491A5 - - Google Patents

Info

Publication number
CH590491A5
CH590491A5 CH1231975A CH1231975A CH590491A5 CH 590491 A5 CH590491 A5 CH 590491A5 CH 1231975 A CH1231975 A CH 1231975A CH 1231975 A CH1231975 A CH 1231975A CH 590491 A5 CH590491 A5 CH 590491A5
Authority
CH
Switzerland
Application number
CH1231975A
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH1231975A priority Critical patent/CH590491A5/xx
Priority to DE19752546081 priority patent/DE2546081A1/en
Priority to GB39134/76A priority patent/GB1557581A/en
Priority to AT703176A priority patent/AT347512B/en
Priority to JP51114366A priority patent/JPS5240095A/en
Priority to FR7628542A priority patent/FR2326002A1/en
Priority to SU762405301A priority patent/SU713544A3/en
Publication of CH590491A5 publication Critical patent/CH590491A5/xx
Priority to AT60378A priority patent/AT353857B/en

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)
  • Light Guides In General And Applications Therefor (AREA)
CH1231975A 1975-09-23 1975-09-23 CH590491A5 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH1231975A CH590491A5 (en) 1975-09-23 1975-09-23
DE19752546081 DE2546081A1 (en) 1975-09-23 1975-10-15 Liquid crystal display with field effect - has illumination device comprising single unit translucent plate as light distributor
GB39134/76A GB1557581A (en) 1975-09-23 1976-09-21 Liquid crystal display devices
AT703176A AT347512B (en) 1975-09-23 1976-09-22 LIQUID CRYSTAL DISPLAY WITH FIELD EFFECT AND WITH A LIGHTING DEVICE
JP51114366A JPS5240095A (en) 1975-09-23 1976-09-22 Field effect liquid crystal indicator* illuminator therefor and method of producing same
FR7628542A FR2326002A1 (en) 1975-09-23 1976-09-22 LIGHTING DEVICE FOR A FIELD-EFFECT LIQUID CRYSTAL DISPLAY DEVICE AS WELL AS ITS EMBODIMENT PROCESS AND ITS APPLICATION
SU762405301A SU713544A3 (en) 1975-09-23 1976-09-24 Illuminating device for liquid crystal indicator with field effect
AT60378A AT353857B (en) 1975-09-23 1978-01-27 LIGHTING DEVICE FOR A FIELD EFFECT LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE LIGHTING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1231975A CH590491A5 (en) 1975-09-23 1975-09-23

Publications (1)

Publication Number Publication Date
CH590491A5 true CH590491A5 (en) 1977-08-15

Family

ID=4381905

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1231975A CH590491A5 (en) 1975-09-23 1975-09-23

Country Status (3)

Country Link
CH (1) CH590491A5 (en)
DE (1) DE2546081A1 (en)
SU (1) SU713544A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006450A1 (en) * 1978-06-23 1980-01-09 Blaupunkt-Werke GmbH Broad area light source

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622468A (en) * 1979-08-01 1981-03-03 Nissan Motor Liquid crystal display unit
DE3105063A1 (en) * 1981-02-12 1982-08-19 Robert Bosch Gmbh, 7000 Stuttgart Device for displaying or visualising information, images and the like, having a translucent information carrier and an illuminating device
US20110007231A1 (en) * 2008-03-05 2011-01-13 Sharp Kabushiki Kaisha Lighting device, display device and television receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006450A1 (en) * 1978-06-23 1980-01-09 Blaupunkt-Werke GmbH Broad area light source

Also Published As

Publication number Publication date
DE2546081A1 (en) 1977-03-24
SU713544A3 (en) 1980-01-30

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased