CH616757A5 - - Google Patents

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Publication number
CH616757A5
CH616757A5 CH874078A CH874078A CH616757A5 CH 616757 A5 CH616757 A5 CH 616757A5 CH 874078 A CH874078 A CH 874078A CH 874078 A CH874078 A CH 874078A CH 616757 A5 CH616757 A5 CH 616757A5
Authority
CH
Switzerland
Prior art keywords
electrode
liquid crystal
parallel alignment
coating
electrodes
Prior art date
Application number
CH874078A
Other languages
German (de)
English (en)
Inventor
Herbert Stanley Cole Jr
Charles Richard Stein
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH616757A5 publication Critical patent/CH616757A5/de

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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13725—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on guest-host interaction
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0208—Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
CH874078A 1977-08-18 1978-08-17 CH616757A5 (US06653308-20031125-C00199.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/825,659 US4128313A (en) 1977-08-18 1977-08-18 Liquid crystal display with dark characters on light background

Publications (1)

Publication Number Publication Date
CH616757A5 true CH616757A5 (US06653308-20031125-C00199.png) 1980-04-15

Family

ID=25244609

Family Applications (1)

Application Number Title Priority Date Filing Date
CH874078A CH616757A5 (US06653308-20031125-C00199.png) 1977-08-18 1978-08-17

Country Status (5)

Country Link
US (1) US4128313A (US06653308-20031125-C00199.png)
JP (1) JPS5466859A (US06653308-20031125-C00199.png)
CH (1) CH616757A5 (US06653308-20031125-C00199.png)
DE (1) DE2834771A1 (US06653308-20031125-C00199.png)
GB (1) GB2002943B (US06653308-20031125-C00199.png)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385113A2 (fr) * 1977-03-21 1978-10-20 Labo Electronique Physique Dispositif d'affichage d'information comportant une cellule de cristal liquide
US4291948A (en) * 1977-11-10 1981-09-29 International Standard Electric Corporation Liquid crystal display incorporating positive and negative smectic material
DE2805970C3 (de) * 1978-02-13 1980-09-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Flüssigkristall-Anzeigevorrichtung
CH638624A5 (de) * 1978-04-12 1983-09-30 Secr Defence Brit Elektrooptisches fluessigkristall-anzeigegeraet.
DE2824798A1 (de) * 1978-06-06 1979-12-13 Siemens Ag Fluessigkristallzelle
US4239345A (en) * 1979-04-16 1980-12-16 Bell Telephone Laboratories, Incorporated Bistable liquid crystal twist cell
JPS564121A (en) * 1979-06-22 1981-01-17 Stanley Electric Co Ltd Liquid crystal display device
CH625630A5 (US06653308-20031125-C00199.png) * 1979-07-06 1981-09-30 Ebauches Sa
US4333708A (en) * 1979-11-30 1982-06-08 Bell Telephone Laboratories, Incorporated Mechanically multistable liquid crystal cell
US4958916A (en) * 1980-01-08 1990-09-25 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US4840463A (en) * 1987-08-19 1989-06-20 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
USRE34950E (en) * 1980-01-08 1995-05-23 Clark Noel A Surface stabilized ferroelectric liquid crystal devices with means for aligning LC molecules at Ω(α) from normal to the means
US5227905A (en) * 1980-01-08 1993-07-13 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US5083855A (en) * 1980-01-08 1992-01-28 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
USRE34966E (en) * 1980-01-08 1995-06-13 Clark Noel A Surface stabilized ferroelectric liquid crystal devices with LC molecules aligned at angle Ω(α) from normal to substrates
US4563059A (en) * 1983-01-10 1986-01-07 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US4813767A (en) * 1980-01-08 1989-03-21 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US4451122A (en) * 1980-12-29 1984-05-29 Beckman Instruments, Inc. Multicompartment electro-optic display device
DE3313405A1 (de) * 1982-04-13 1983-10-20 Canon K.K., Tokyo Elektrooptische vorrichtung
JPS58186723A (ja) * 1982-04-26 1983-10-31 Seiko Epson Corp 液晶表示装置
US4572617A (en) * 1982-06-23 1986-02-25 Canon Kabushiki Kaisha Electrooptical device having thinner liquid crystal layer in display portions
JPS6026316A (ja) * 1983-07-22 1985-02-09 Casio Comput Co Ltd 画像形成装置
JPS61120119A (ja) * 1984-11-15 1986-06-07 Alps Electric Co Ltd 液晶ライトバルブ
JPS61272719A (ja) * 1985-05-27 1986-12-03 Hosiden Electronics Co Ltd 強誘電性液晶セル及びその製造方法
US4726659A (en) * 1986-02-24 1988-02-23 Rca Corporation Display device having different alignment layers
JPS62210421A (ja) * 1986-03-11 1987-09-16 Canon Inc 光学変調素子
JP2667816B2 (ja) * 1986-09-20 1997-10-27 キヤノン株式会社 液晶素子
US4813771A (en) * 1987-10-15 1989-03-21 Displaytech Incorporated Electro-optic switching devices using ferroelectric liquid crystals
US4872741A (en) * 1988-07-22 1989-10-10 General Electric Company Electrodeless panel discharge lamp liquid crystal display
USRE34492E (en) * 1988-10-11 1993-12-28 General Electric Company Combination lamp and integrating sphere for efficiently coupling radiant energy from a gas discharge to a lightguide
US4950059A (en) * 1988-10-11 1990-08-21 General Electric Company Combination lamp and integrating sphere for efficiently coupling radiant energy from a gas discharge to a lightguide
US5330420A (en) * 1992-01-13 1994-07-19 Therakos, Inc. Hemolysis detector
US5477359A (en) * 1993-01-21 1995-12-19 Sharp Kabushiki Kaisha Liquid crystal projector having a vertical orientating polyimide film
US6300993B1 (en) * 1998-01-20 2001-10-09 Industrial Technology Research Institute Wide viewing angle liquid crystal display panel
JP2001222017A (ja) * 1999-05-24 2001-08-17 Fujitsu Ltd 液晶表示装置及びその製造方法
US8462310B2 (en) 2008-10-14 2013-06-11 Hewlett-Packard Development Company, L.P. Bistable liquid crystal element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5942287B2 (ja) * 1972-12-19 1984-10-13 松下電器産業株式会社 色相変調表示装置
US3966304A (en) * 1973-08-20 1976-06-29 Asahi Kogaku Kogyo Kabushiki Kaisha Liquid crystal display device
US4002404A (en) * 1975-01-07 1977-01-11 Xerox Corporation Imaging system with latent alignment image
DE2658568C2 (de) * 1975-12-25 1983-12-22 Sharp K.K., Osaka Flüssigkristall-Darstellungseinrichtung mit einem pleochroitischen Farbstoff-Gastmaterial und einem nematischen Flüssigkristall-Wirtmaterial
JPS5424657A (en) * 1977-07-27 1979-02-24 Citizen Watch Co Ltd Liquid crystal display device

Also Published As

Publication number Publication date
GB2002943B (en) 1982-03-03
US4128313A (en) 1978-12-05
JPS5466859A (en) 1979-05-29
GB2002943A (en) 1979-02-28
DE2834771A1 (de) 1979-02-22

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: AMETEK AEROSPACE PRODUCTS, INC.

PUE Assignment

Owner name: TECHNOLOGY, INC. 64

PL Patent ceased