CH621200A5 - - Google Patents

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Publication number
CH621200A5
CH621200A5 CH313578A CH313578A CH621200A5 CH 621200 A5 CH621200 A5 CH 621200A5 CH 313578 A CH313578 A CH 313578A CH 313578 A CH313578 A CH 313578A CH 621200 A5 CH621200 A5 CH 621200A5
Authority
CH
Switzerland
Prior art keywords
mixture
plates
molecules
layer
homeotropic
Prior art date
Application number
CH313578A
Other languages
English (en)
French (fr)
Inventor
Eric Saurer
Fereydoun Gharadjedaghi
Claude Laesser
Rene Viennet
Yves Ruedin
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH313578A priority Critical patent/CH621200A5/fr
Priority to DE2853639A priority patent/DE2853639C3/de
Priority to AT0174679A priority patent/AT380576B/de
Priority to US06/022,199 priority patent/US4277144A/en
Priority to GB7909677A priority patent/GB2020053B/en
Priority to FR7906940A priority patent/FR2420802A1/fr
Priority to NLAANVRAGE7902252,A priority patent/NL179685C/xx
Priority to JP3241079A priority patent/JPS54143162A/ja
Publication of CH621200A5 publication Critical patent/CH621200A5/fr

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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • 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
    • G02F1/13731—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 a field-induced phase transition
    • G02F1/13737—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 a field-induced phase transition in liquid crystals doped with a pleochroic dye
    • 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
    • G02F1/133371—Cells with varying thickness of the liquid crystal layer
    • 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
    • G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
CH313578A 1978-03-22 1978-03-22 CH621200A5 (US20070167544A1-20070719-C00007.png)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH313578A CH621200A5 (US20070167544A1-20070719-C00007.png) 1978-03-22 1978-03-22
DE2853639A DE2853639C3 (de) 1978-03-22 1978-12-08 Passive elektrooptische Anzeigezelle
AT0174679A AT380576B (de) 1978-03-22 1979-03-08 Passive elektrooptische anzeigezelle
US06/022,199 US4277144A (en) 1978-03-22 1979-03-20 Electro-optic passive display cell
GB7909677A GB2020053B (en) 1978-03-22 1979-03-20 Liquid crystal display
FR7906940A FR2420802A1 (fr) 1978-03-22 1979-03-20 Cellule d'affichage electro-optique passif
NLAANVRAGE7902252,A NL179685C (nl) 1978-03-22 1979-03-22 Passieve elektro-optische beeldcel.
JP3241079A JPS54143162A (en) 1978-03-22 1979-03-22 Cell for passive electrooptical display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH313578A CH621200A5 (US20070167544A1-20070719-C00007.png) 1978-03-22 1978-03-22

Publications (1)

Publication Number Publication Date
CH621200A5 true CH621200A5 (US20070167544A1-20070719-C00007.png) 1981-01-15

Family

ID=4249369

Family Applications (1)

Application Number Title Priority Date Filing Date
CH313578A CH621200A5 (US20070167544A1-20070719-C00007.png) 1978-03-22 1978-03-22

Country Status (8)

Country Link
US (1) US4277144A (US20070167544A1-20070719-C00007.png)
JP (1) JPS54143162A (US20070167544A1-20070719-C00007.png)
AT (1) AT380576B (US20070167544A1-20070719-C00007.png)
CH (1) CH621200A5 (US20070167544A1-20070719-C00007.png)
DE (1) DE2853639C3 (US20070167544A1-20070719-C00007.png)
FR (1) FR2420802A1 (US20070167544A1-20070719-C00007.png)
GB (1) GB2020053B (US20070167544A1-20070719-C00007.png)
NL (1) NL179685C (US20070167544A1-20070719-C00007.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564121A (en) * 1979-06-22 1981-01-17 Stanley Electric Co Ltd Liquid crystal display device
US4563059A (en) * 1983-01-10 1986-01-07 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
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
US5083855A (en) * 1980-01-08 1992-01-28 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
US4813767A (en) * 1980-01-08 1989-03-21 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
US5227905A (en) * 1980-01-08 1993-07-13 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
JPS56122866U (US20070167544A1-20070719-C00007.png) * 1980-02-20 1981-09-18
NL8200069A (nl) * 1982-01-11 1983-08-01 Philips Nv Weergeefinrichting met vloeibaar kristal.
JPS5979221A (ja) * 1982-10-29 1984-05-08 Canon Inc 電気光学装置
YU44866B (en) * 1983-09-09 1991-04-30 Inst Stefan Jozef Matrix lcd with an internal reflector and a measuring net
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
US4813771A (en) * 1987-10-15 1989-03-21 Displaytech Incorporated Electro-optic switching devices using ferroelectric liquid crystals
JP2801102B2 (ja) * 1991-02-01 1998-09-21 富士通株式会社 液晶表示装置
US5631754A (en) * 1995-10-20 1997-05-20 Physical Optics Corporation Holographic high contrast viewing screen embedded in a liquid crystal display
US6320639B1 (en) * 1996-03-11 2001-11-20 Canon Kabushiki Kaisha Liquid crystal device and process for production thereof
JP2000162624A (ja) * 1998-11-26 2000-06-16 Sanyo Electric Co Ltd 反射型液晶表示装置
JP3636641B2 (ja) * 1999-08-20 2005-04-06 セイコーエプソン株式会社 電気光学装置
JP3852342B2 (ja) * 2002-01-28 2006-11-29 セイコーエプソン株式会社 反射板、反射板の製造方法、液晶装置、電子機器
FR2957429B1 (fr) * 2010-03-12 2012-08-17 Commissariat Energie Atomique Modulateur de phase a base de cristal liquide a structure helicoidale

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4997636A (US20070167544A1-20070719-C00007.png) * 1973-01-18 1974-09-14
US3833287A (en) * 1973-03-08 1974-09-03 Bell Telephone Labor Inc Guest-host liquid crystal device
US4112157A (en) * 1973-06-18 1978-09-05 Siemens Aktiengesellschaft Method of producing a film which promotes homeotropic orientation of liquid crystals and a liquid crystal utilizing the film
CH629001A5 (fr) * 1978-02-06 1982-03-31 Ebauches Sa Cellule d'affichage electro-optique passif.
DE2805970C3 (de) * 1978-02-13 1980-09-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Flüssigkristall-Anzeigevorrichtung

Also Published As

Publication number Publication date
NL7902252A (nl) 1979-09-25
FR2420802A1 (fr) 1979-10-19
DE2853639C3 (de) 1987-10-22
DE2853639B2 (de) 1981-01-29
NL179685B (nl) 1986-05-16
AT380576B (de) 1986-06-10
FR2420802B1 (US20070167544A1-20070719-C00007.png) 1984-04-06
ATA174679A (de) 1985-10-15
JPS54143162A (en) 1979-11-08
NL179685C (nl) 1986-10-16
DE2853639A1 (de) 1979-09-27
US4277144A (en) 1981-07-07
GB2020053B (en) 1982-09-15
GB2020053A (en) 1979-11-07

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: ETA S.A. FABRIQUES D EBAUCHES

PL Patent ceased