CH619590B - Fluessigkristallanzeige-vorrichtung vom typ gast-wirt-effekt sowie verwendung dieser fluessigkristallanzeige-vorrichtung. - Google Patents

Fluessigkristallanzeige-vorrichtung vom typ gast-wirt-effekt sowie verwendung dieser fluessigkristallanzeige-vorrichtung.

Info

Publication number
CH619590B
CH619590B CH112477A CH112477A CH619590B CH 619590 B CH619590 B CH 619590B CH 112477 A CH112477 A CH 112477A CH 112477 A CH112477 A CH 112477A CH 619590 B CH619590 B CH 619590B
Authority
CH
Switzerland
Prior art keywords
crystal display
liquid crystal
display device
guest
host liquid
Prior art date
Application number
CH112477A
Other languages
English (en)
Other versions
CH619590GA3 (en
Inventor
Meinolph Kaufmann
Allan R Dr Kmetz
Terry Dr Scheffer
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 of CH619590B publication Critical patent/CH619590B/de
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH112477A priority Critical patent/CH619590GA3/xx
Priority to DE19772707671 priority patent/DE2707671A1/de
Priority to FR7720177A priority patent/FR2379127A1/fr
Priority to JP14870277A priority patent/JPS5396863A/ja
Priority to NL7801018A priority patent/NL7801018A/xx
Priority to GB3393/78A priority patent/GB1595842A/en
Publication of CH619590GA3 publication Critical patent/CH619590GA3/xx

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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage

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)
  • Liquid Crystal (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH112477A 1977-01-31 1977-01-31 Liquid-crystal display device of the guest-host effect type and use of this liquid-crystal display device CH619590GA3 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH112477A CH619590GA3 (en) 1977-01-31 1977-01-31 Liquid-crystal display device of the guest-host effect type and use of this liquid-crystal display device
DE19772707671 DE2707671A1 (de) 1977-01-31 1977-02-23 Fluessigkristallanzeige-vorrichtung zum typ gast-wirt-effekt sowie verwendung dieser fluessigkristallanzeige-vorrichtung
FR7720177A FR2379127A1 (fr) 1977-01-31 1977-06-30 Dispositif d'affichage a cristaux liquides du type a effet donneur-accepteur et application de ce dispositif
JP14870277A JPS5396863A (en) 1977-01-31 1977-12-09 Guestthost lc display
NL7801018A NL7801018A (nl) 1977-01-31 1978-01-27 Weergeefinrichting met een vloeibaar kristal van het gast-gastheer-type.
GB3393/78A GB1595842A (en) 1977-01-31 1978-01-27 Guest-host liquid crystal display device system and its application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH112477A CH619590GA3 (en) 1977-01-31 1977-01-31 Liquid-crystal display device of the guest-host effect type and use of this liquid-crystal display device

Publications (2)

Publication Number Publication Date
CH619590B true CH619590B (de)
CH619590GA3 CH619590GA3 (en) 1980-10-15

Family

ID=4203046

Family Applications (1)

Application Number Title Priority Date Filing Date
CH112477A CH619590GA3 (en) 1977-01-31 1977-01-31 Liquid-crystal display device of the guest-host effect type and use of this liquid-crystal display device

Country Status (6)

Country Link
JP (1) JPS5396863A (de)
CH (1) CH619590GA3 (de)
DE (1) DE2707671A1 (de)
FR (1) FR2379127A1 (de)
GB (1) GB1595842A (de)
NL (1) NL7801018A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386350A (en) * 1979-06-26 1983-05-31 Nippon Electric Co., Ltd. Display apparatus
CH687909A5 (de) * 1991-12-31 1997-03-27 Xelux Holding Ag Verfahren zum Betrieb einer Blendschutzvorrichtung.
CH687809A5 (de) * 1993-05-14 1997-02-28 Xelux Holding Ag Blendschutzvorrichtung.

Also Published As

Publication number Publication date
DE2707671A1 (de) 1978-08-03
CH619590GA3 (en) 1980-10-15
GB1595842A (en) 1981-08-19
NL7801018A (nl) 1978-08-02
FR2379127A1 (fr) 1978-08-25
JPS5396863A (en) 1978-08-24

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Legal Events

Date Code Title Description
PLX Patent declared invalid from date of grant onwards