DE3438756C2 - - Google Patents

Info

Publication number
DE3438756C2
DE3438756C2 DE19843438756 DE3438756A DE3438756C2 DE 3438756 C2 DE3438756 C2 DE 3438756C2 DE 19843438756 DE19843438756 DE 19843438756 DE 3438756 A DE3438756 A DE 3438756A DE 3438756 C2 DE3438756 C2 DE 3438756C2
Authority
DE
Germany
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
DE19843438756
Other versions
DE3438756A1 (de
Inventor
Rolf 7501 Marxell De Cremers
Bogdan 7500 Karlsruhe De Kosmowski
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.)
Borg Instruments AG
Original Assignee
Borg Instruments 7537 Remchingen De GmbH
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 Borg Instruments 7537 Remchingen De GmbH filed Critical Borg Instruments 7537 Remchingen De GmbH
Priority to DE19843438756 priority Critical patent/DE3438756A1/de
Publication of DE3438756A1 publication Critical patent/DE3438756A1/de
Application granted granted Critical
Publication of DE3438756C2 publication Critical patent/DE3438756C2/de
Granted 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13475—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE19843438756 1984-10-23 1984-10-23 Doppeldrehzellen-anzeigeeinrichtung Granted DE3438756A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843438756 DE3438756A1 (de) 1984-10-23 1984-10-23 Doppeldrehzellen-anzeigeeinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843438756 DE3438756A1 (de) 1984-10-23 1984-10-23 Doppeldrehzellen-anzeigeeinrichtung

Publications (2)

Publication Number Publication Date
DE3438756A1 DE3438756A1 (de) 1986-04-24
DE3438756C2 true DE3438756C2 (de) 1987-03-12

Family

ID=6248548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843438756 Granted DE3438756A1 (de) 1984-10-23 1984-10-23 Doppeldrehzellen-anzeigeeinrichtung

Country Status (1)

Country Link
DE (1) DE3438756A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4433310C2 (de) 1994-09-20 1997-01-30 Valeo Borg Instr Verw Gmbh Anzeigeeinrichtung mit distanziert voreinander angeordneten Zellen
DE29823400U1 (de) * 1997-08-01 1999-05-27 Siemens Ag Beheizbare Flüssigkristall-Anzeigeeinrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2058104C2 (de) * 1970-11-26 1987-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anzeigeelement mit einem Flüssigkristall
US3967881A (en) * 1974-04-04 1976-07-06 Matsushita Electric Industrial Co., Ltd. Liquid crystal display
JPS53101296A (en) * 1977-02-16 1978-09-04 Seiko Epson Corp Display unit
DE2807282A1 (de) * 1978-02-21 1979-08-30 Blaupunkt Werke Gmbh Fluessigkristallzelle
JPS5688112A (en) * 1979-12-20 1981-07-17 Sharp Corp Liquid crystal display device
DE3034181A1 (de) * 1980-09-11 1982-03-25 Robert Bosch Gmbh, 7000 Stuttgart Fluessigkristallzelle mit elektrisch umschaltbaren farben
CH632368B (fr) * 1980-12-19 Asulab Sa Cellule d'affichage a cristaux liquides.
JPS58186723A (ja) * 1982-04-26 1983-10-31 Seiko Epson Corp 液晶表示装置
GB2129954B (en) * 1982-10-22 1986-03-05 Stc Plc Liquid crystal display device

Also Published As

Publication number Publication date
DE3438756A1 (de) 1986-04-24

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8380 Miscellaneous part iii

Free format text: SPALTE 1, ZEILE 16 "AUF" AENDERN IN "MIT"

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BORG INSTRUMENTS VERWALTUNG-GMBH, 7537 REMCHINGEN,

8327 Change in the person/name/address of the patent owner

Owner name: VALEO BORG INSTRUMENTS VERWALTUNG GMBH, 75196 REMC

8339 Ceased/non-payment of the annual fee