BG25040A1 - A liquid crystal device for the imaging of fiqures,signs and symbols - Google Patents

A liquid crystal device for the imaging of fiqures,signs and symbols

Info

Publication number
BG25040A1
BG25040A1 BG7300024650A BG2465073A BG25040A1 BG 25040 A1 BG25040 A1 BG 25040A1 BG 7300024650 A BG7300024650 A BG 7300024650A BG 2465073 A BG2465073 A BG 2465073A BG 25040 A1 BG25040 A1 BG 25040A1
Authority
BG
Bulgaria
Prior art keywords
fiqures
signs
imaging
symbols
liquid crystal
Prior art date
Application number
BG7300024650A
Other languages
Bulgarian (bg)
Inventor
Lehmann
Schwella
Uhlig
Original Assignee
Werk Fernsehelektronik Veb
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 Werk Fernsehelektronik Veb filed Critical Werk Fernsehelektronik Veb
Publication of BG25040A1 publication Critical patent/BG25040A1/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
    • G02F1/133553—Reflecting elements

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
BG7300024650A 1972-10-13 1973-10-02 A liquid crystal device for the imaging of fiqures,signs and symbols BG25040A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16620572A DD99711A1 (en) 1972-10-13 1972-10-13

Publications (1)

Publication Number Publication Date
BG25040A1 true BG25040A1 (en) 1978-07-12

Family

ID=5488510

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7300024650A BG25040A1 (en) 1972-10-13 1973-10-02 A liquid crystal device for the imaging of fiqures,signs and symbols

Country Status (5)

Country Link
BG (1) BG25040A1 (en)
CH (1) CH563049A5 (en)
DD (1) DD99711A1 (en)
DE (1) DE2349592A1 (en)
GB (1) GB1385448A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190329A (en) * 1974-12-03 1980-02-26 Sharp Kabushiki Kaisha Liquid crystal display cell of the reflection type
GB2028529A (en) * 1978-08-21 1980-03-05 Gen Electric Liquid crystal displays
JPS59198489A (en) * 1983-04-27 1984-11-10 大日本スクリ−ン製造株式会社 Reflection type multicolor liquid crystal display element
JPH0449612Y2 (en) * 1987-07-13 1992-11-24
JP3361451B2 (en) * 1998-03-24 2003-01-07 出光興産株式会社 Color filter for reflective liquid crystal display device and reflective liquid crystal display device using the same

Also Published As

Publication number Publication date
CH563049A5 (en) 1975-06-13
DD99711A1 (en) 1973-08-20
GB1385448A (en) 1975-02-26
DE2349592A1 (en) 1974-04-25

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