BG25039A1 - A liquid crystal indicator - Google Patents

A liquid crystal indicator

Info

Publication number
BG25039A1
BG25039A1 BG7300024372A BG2437273A BG25039A1 BG 25039 A1 BG25039 A1 BG 25039A1 BG 7300024372 A BG7300024372 A BG 7300024372A BG 2437273 A BG2437273 A BG 2437273A BG 25039 A1 BG25039 A1 BG 25039A1
Authority
BG
Bulgaria
Prior art keywords
liquid crystal
crystal indicator
indicator
liquid
crystal
Prior art date
Application number
BG7300024372A
Other languages
Bulgarian (bg)
Inventor
Biermann
Brauer
Eichhorn
Gessner
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 BG25039A1 publication Critical patent/BG25039A1/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
    • 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
    • G02F1/133345—Insulating layers

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)
  • Liquid Crystal (AREA)
BG7300024372A 1972-09-06 1973-08-23 A liquid crystal indicator BG25039A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16552672A DD105372A1 (en) 1972-09-06 1972-09-06

Publications (1)

Publication Number Publication Date
BG25039A1 true BG25039A1 (en) 1978-07-12

Family

ID=5488114

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7300024372A BG25039A1 (en) 1972-09-06 1973-08-23 A liquid crystal indicator

Country Status (5)

Country Link
BG (1) BG25039A1 (en)
CH (1) CH558946A (en)
DD (1) DD105372A1 (en)
DE (1) DE2338558A1 (en)
FR (1) FR2198677A5 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436658C2 (en) * 1974-07-30 1976-10-14 Siemens Ag LIQUID CRYSTAL DISPLAY SCREEN
FR2382732A1 (en) * 1977-03-02 1978-09-29 Siemens Ag OPTICAL DISPLAY APPARATUS AND METHOD FOR MAKING A REFLECTIVE COATING FOR SUCH AN APPARATUS
DE2722018C2 (en) * 1977-05-14 1983-12-08 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Liquid crystal shutter
FR2847996B1 (en) * 2002-11-28 2005-10-07 Thales Sa DEDICATED DISPLAY DEVICE WITH PROXIMITY DETECTION

Also Published As

Publication number Publication date
DD105372A1 (en) 1974-04-12
DE2338558A1 (en) 1974-03-14
CH558946A (en) 1975-02-14
FR2198677A5 (en) 1974-03-29

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