GB1381429A - Liquid-crystal cells - Google Patents

Liquid-crystal cells

Info

Publication number
GB1381429A
GB1381429A GB2956673A GB2956673A GB1381429A GB 1381429 A GB1381429 A GB 1381429A GB 2956673 A GB2956673 A GB 2956673A GB 2956673 A GB2956673 A GB 2956673A GB 1381429 A GB1381429 A GB 1381429A
Authority
GB
United Kingdom
Prior art keywords
electrode
plates
cell
edge
layer
Prior art date
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
GB2956673A
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.)
Electrovac AG
Original Assignee
Electrovac AG
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 Electrovac AG filed Critical Electrovac AG
Publication of GB1381429A publication Critical patent/GB1381429A/en
Expired 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G04G17/045—Mounting of the display
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

1381429 Liquid crystal cell ELECTROVAC FABRIKATION ELEKTROTECHNISCHER SPEZIALARTIKEL GmbH 21 June 1973 [3 July 1972] 29566/73 Heading H4F In a cell comprising a layer of liquid crystal material between two plates sealed at their margins, a thin film electrode is disposed on the major surface of at least one plate and has a portion extending over an edge face of the plate where it is covered by a metal coating applied by stoving, vapour deposition or cathodic deposition. Solder per se may be deposited on the coating or a metal pad or blade soldered thereto, to connect the electrode to an external circuit. If electrodes are disposed on both plates, with superimposed extending portions, the metal coating interconnects them. The position of an aperture in the edge of the cell for filling purposes may coincide with the position of the extending portions, so that, after filling, the cell is hermetically sealed with synthetic resin (for interconnection of the two electrodes only) or with an amalgam (alloy), or conductive adhesive (for additional connection to an external circuit). The edge of the plate(s) may be bevelled where the extending portion of the electrode exits, or along the entire edge. As particularly described, one electrode may be reflective, and the plates are of glass and sealed together with glass solder. A stack of cells (alternate plates and liquid crystal material) may be formed, the respective extending electrode portions (and filling apertures) being offset from each other. The metal coating may include a first layer of chromium for adhesion to the electrode, a second easily solderable layer (copper, silver, tin) and a third optional oxidation resistant layer, such as gold.
GB2956673A 1972-07-03 1973-06-21 Liquid-crystal cells Expired GB1381429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT571572A AT323249B (en) 1972-07-03 1972-07-03 LIQUID CRYSTAL CELL

Publications (1)

Publication Number Publication Date
GB1381429A true GB1381429A (en) 1975-01-22

Family

ID=3578863

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2956673A Expired GB1381429A (en) 1972-07-03 1973-06-21 Liquid-crystal cells

Country Status (5)

Country Link
AT (1) AT323249B (en)
DE (1) DE2333206B2 (en)
FR (1) FR2191136B1 (en)
GB (1) GB1381429A (en)
IT (1) IT986610B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037930A (en) * 1976-04-05 1977-07-26 Hitachi, Ltd. Liquid crystal display cells
US4277143A (en) * 1977-08-05 1981-07-07 Siemens Aktiengesellschaft Liquid crystal cell having electrodes on adjacent plates connected by a contact bridge and the process of producing same
US4283118A (en) * 1977-02-22 1981-08-11 Sharp Kabushiki Kaisha Liquid crystal display with a substrate carrying display electrodes and integrated circuit chip connected thereto

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047380B (en) * 1974-11-05 1980-09-10 Rca Corp LIQUID CRYSTAL DEVICE AND RELATED MANUFACTURING PROCEDURE
CH613533A5 (en) * 1977-02-25 1979-09-28 Bbc Brown Boveri & Cie Liquid crystal display device and method for producing such a display device
JPS57161882A (en) * 1981-03-31 1982-10-05 Hitachi Ltd Display body panel
DE3310444C2 (en) * 1983-03-23 1986-05-07 Borg Instruments GmbH, 7537 Remchingen Multi-color liquid crystal display device
DE4113901A1 (en) * 1991-04-27 1992-10-29 Krone Ag MODULAR DISPLAY DEVICE MADE FROM LIQUID CRYSTAL CELLS
FR2904437B1 (en) * 2006-07-28 2008-10-24 Saint Gobain ACTIVE DEVICE HAVING VARIABLE ENERGY / OPTICAL PROPERTIES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2264702C3 (en) * 1971-08-18 1978-08-31 Dai Nippon Toryo K.K., Osaka (Japan) Liquid crystal element
US3751137A (en) * 1971-10-18 1973-08-07 Rockwell International Corp Liquid crystal display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037930A (en) * 1976-04-05 1977-07-26 Hitachi, Ltd. Liquid crystal display cells
US4283118A (en) * 1977-02-22 1981-08-11 Sharp Kabushiki Kaisha Liquid crystal display with a substrate carrying display electrodes and integrated circuit chip connected thereto
US4277143A (en) * 1977-08-05 1981-07-07 Siemens Aktiengesellschaft Liquid crystal cell having electrodes on adjacent plates connected by a contact bridge and the process of producing same

Also Published As

Publication number Publication date
IT986610B (en) 1975-01-30
DE2333206A1 (en) 1974-01-24
FR2191136B1 (en) 1977-05-13
DE2333206B2 (en) 1979-07-12
AT323249B (en) 1975-06-25
FR2191136A1 (en) 1974-02-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee