FR2365139A1 - Procede de selection de l'alignement dans des cellules a cristaux liquides - Google Patents

Procede de selection de l'alignement dans des cellules a cristaux liquides

Info

Publication number
FR2365139A1
FR2365139A1 FR7723833A FR7723833A FR2365139A1 FR 2365139 A1 FR2365139 A1 FR 2365139A1 FR 7723833 A FR7723833 A FR 7723833A FR 7723833 A FR7723833 A FR 7723833A FR 2365139 A1 FR2365139 A1 FR 2365139A1
Authority
FR
France
Prior art keywords
alignment
liquid crystal
radicals
selecting
oxygen
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.)
Granted
Application number
FR7723833A
Other languages
English (en)
French (fr)
Other versions
FR2365139B1 (OSRAM
Inventor
Ray M Gibson
Gerard J Sprokel
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2365139A1 publication Critical patent/FR2365139A1/fr
Application granted granted Critical
Publication of FR2365139B1 publication Critical patent/FR2365139B1/fr
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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/02—Pretreatment of the material to be coated
    • C23C16/0227—Pretreatment of the material to be coated by cleaning or etching
    • C23C16/0245—Pretreatment of the material to be coated by cleaning or etching by etching with a plasma
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/401—Oxides containing silicon
    • C23C16/402—Silicon dioxide
    • 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
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/021—Inorganic, e.g. glass or silicon oxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
FR7723833A 1976-09-20 1977-07-26 Procede de selection de l'alignement dans des cellules a cristaux liquides Granted FR2365139A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/724,439 US4038439A (en) 1976-09-20 1976-09-20 Method for producing selected alignment in liquid crystal

Publications (2)

Publication Number Publication Date
FR2365139A1 true FR2365139A1 (fr) 1978-04-14
FR2365139B1 FR2365139B1 (OSRAM) 1980-09-05

Family

ID=24910445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7723833A Granted FR2365139A1 (fr) 1976-09-20 1977-07-26 Procede de selection de l'alignement dans des cellules a cristaux liquides

Country Status (7)

Country Link
US (1) US4038439A (OSRAM)
JP (1) JPS5339148A (OSRAM)
CA (1) CA1085945A (OSRAM)
DE (1) DE2740384A1 (OSRAM)
FR (1) FR2365139A1 (OSRAM)
GB (1) GB1542372A (OSRAM)
IT (1) IT1114122B (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105298A (en) * 1977-04-11 1978-08-08 Rca Corporation Electro-optic devices
US4188426A (en) * 1977-12-12 1980-02-12 Lord Corporation Cold plasma modification of organic and inorganic surfaces
GB1601601A (en) * 1978-01-18 1981-11-04 Standard Telephones Cables Ltd Liquid crystal display cells
DE2824798A1 (de) * 1978-06-06 1979-12-13 Siemens Ag Fluessigkristallzelle
US4252838A (en) * 1978-09-11 1981-02-24 Honeywell Inc. Glow discharge fabrication of transparent conductive coatings
US4261650A (en) * 1978-12-18 1981-04-14 International Business Machines Corporation Method for producing uniform parallel alignment in liquid crystal cells
US4456638A (en) * 1981-04-06 1984-06-26 Polytronix, Inc. Polymer packaging material for liquid crystal cell
US5215677A (en) * 1985-09-27 1993-06-01 Sanyo Electric Co., Ltd. Liquid crystal display device
JPH02246358A (ja) * 1989-03-20 1990-10-02 Fujitsu Miyagi Electron:Kk リードフレーム
JPH03241767A (ja) * 1990-02-20 1991-10-28 Matsushita Electric Ind Co Ltd リードフレームの製造方法
DE4015869A1 (de) * 1990-05-17 1991-11-21 Nokia Unterhaltungselektronik Hochaufloesende passiv angesteuerte fluessigkristallanzeige
JPH04246852A (ja) * 1991-02-01 1992-09-02 Nec Corp 半導体装置用パッケージ
EP1111441B1 (en) * 1997-06-12 2009-12-02 Sharp Kabushiki Kaisha Vertically-aligned (VA) liquid crystal display device
US6660341B2 (en) * 2001-06-07 2003-12-09 International Business Machines Corporation Tilted vertical alignment of liquid crystals employing inorganic thin film composition and ion beam treatment
RU2317313C2 (ru) * 2004-10-28 2008-02-20 Самсунг Электроникс Ко., Лтд Способ получения жидкокристаллической полимерной пленки

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175180A1 (OSRAM) * 1972-03-08 1973-10-19 Seiko Instr & Electronics
FR2185804A1 (OSRAM) * 1972-05-25 1974-01-04 Asahi Glass Co Ltd
FR2193207A1 (OSRAM) * 1972-07-15 1974-02-15 Dainippon Ink & Chemicals
FR2287740A1 (fr) * 1974-10-10 1976-05-07 American Micro Syst Dispositif d'affichage a cristaux liquides presentant un alignement homogene des molecules

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343058B2 (OSRAM) * 1972-03-08 1978-11-16
US3834792A (en) * 1972-04-10 1974-09-10 Ncr Alignment film for a liquid crystal display cell
JPS5438908B2 (OSRAM) * 1973-05-11 1979-11-24
US3938242A (en) * 1973-09-27 1976-02-17 Rca Corporation Fabrication of liquid crystal devices
FR2248529B1 (OSRAM) * 1973-10-19 1978-02-17 Thomson Csf
US3941901A (en) * 1974-02-15 1976-03-02 Hoffmann-La Roche Inc. Surface alignment method for liquid crystal cells and production of polarizers therefor
JPS5284760A (en) * 1976-01-07 1977-07-14 Hitachi Ltd Formation of electrode for liquid crystal display element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175180A1 (OSRAM) * 1972-03-08 1973-10-19 Seiko Instr & Electronics
FR2185804A1 (OSRAM) * 1972-05-25 1974-01-04 Asahi Glass Co Ltd
FR2193207A1 (OSRAM) * 1972-07-15 1974-02-15 Dainippon Ink & Chemicals
FR2287740A1 (fr) * 1974-10-10 1976-05-07 American Micro Syst Dispositif d'affichage a cristaux liquides presentant un alignement homogene des molecules

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/77 *

Also Published As

Publication number Publication date
FR2365139B1 (OSRAM) 1980-09-05
GB1542372A (en) 1979-03-21
JPS6242254B2 (OSRAM) 1987-09-07
DE2740384A1 (de) 1978-03-23
JPS5339148A (en) 1978-04-10
IT1114122B (it) 1986-01-27
CA1085945A (en) 1980-09-16
US4038439A (en) 1977-07-26

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Legal Events

Date Code Title Description
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