DE3587459D1 - Ferroelektrische fluessigkristall-zelle. - Google Patents

Ferroelektrische fluessigkristall-zelle.

Info

Publication number
DE3587459D1
DE3587459D1 DE8585105290T DE3587459T DE3587459D1 DE 3587459 D1 DE3587459 D1 DE 3587459D1 DE 8585105290 T DE8585105290 T DE 8585105290T DE 3587459 T DE3587459 T DE 3587459T DE 3587459 D1 DE3587459 D1 DE 3587459D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal cell
ferroelectric liquid
ferroelectric
cell
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 - Fee Related
Application number
DE8585105290T
Other languages
English (en)
Other versions
DE3587459T2 (de
Inventor
Kishiro Iwasaki
Susumu Era
Hisao Yokokura
Tadao Nakata
Akio Mukoh
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP8623584A external-priority patent/JPS60230635A/ja
Priority claimed from JP11645584A external-priority patent/JPS60260923A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3587459D1 publication Critical patent/DE3587459D1/de
Publication of DE3587459T2 publication Critical patent/DE3587459T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
    • C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
    • 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
    • C09K19/0225—Ferroelectric
    • 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
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide
    • 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
    • C09K2323/027—Polyimide
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31721—Of polyimide
DE19853587459 1984-05-01 1985-04-30 Ferroelektrische Flüssigkristall-Zelle. Expired - Fee Related DE3587459T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8623584A JPS60230635A (ja) 1984-05-01 1984-05-01 強誘電性液晶素子
JP11645584A JPS60260923A (ja) 1984-06-08 1984-06-08 液晶光変調素子

Publications (2)

Publication Number Publication Date
DE3587459D1 true DE3587459D1 (de) 1993-08-26
DE3587459T2 DE3587459T2 (de) 1994-01-05

Family

ID=26427392

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853587459 Expired - Fee Related DE3587459T2 (de) 1984-05-01 1985-04-30 Ferroelektrische Flüssigkristall-Zelle.

Country Status (3)

Country Link
US (1) US4634228A (de)
EP (1) EP0160302B1 (de)
DE (1) DE3587459T2 (de)

Families Citing this family (47)

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Publication number Priority date Publication date Assignee Title
JPS61120119A (ja) * 1984-11-15 1986-06-07 Alps Electric Co Ltd 液晶ライトバルブ
JPS61147232A (ja) * 1984-12-20 1986-07-04 Canon Inc 液晶素子
JPS61231525A (ja) * 1985-04-08 1986-10-15 Hitachi Ltd 強誘電性液晶素子とその製造方法
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
GB2177228B (en) * 1985-06-14 1989-12-28 Semiconductor Energy Lab Non-volatile liquid crystal optical storage device
US4855976A (en) * 1985-06-14 1989-08-08 Semiconductor Energy Laboratory Co., Ltd. Information writing method for an optical disc memory system utilizing a smectic chiral liquid crystal
DE3669079D1 (de) * 1985-07-10 1990-03-29 Hitachi Ltd Ferroelektrisches fluessigkristallelement und verfahren zu dessen herstellung.
US5196954A (en) * 1985-08-08 1993-03-23 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display
JPH0723942B2 (ja) * 1985-08-08 1995-03-15 株式会社半導体エネルギ−研究所 液晶装置
JP2558447B2 (ja) * 1985-09-18 1996-11-27 セイコー電子工業株式会社 強誘電性液晶電気光学素子
JPH0685032B2 (ja) * 1985-10-17 1994-10-26 キヤノン株式会社 カイラルスメクティック液晶素子
JPH0799419B2 (ja) * 1985-10-18 1995-10-25 キヤノン株式会社 液晶素子
CA1258512A (en) * 1985-10-28 1989-08-15 John W. Goodby Ferroelectric liquid crystal optical devices
JPS62124525A (ja) * 1985-11-25 1987-06-05 Semiconductor Energy Lab Co Ltd 液晶装置
GB8608116D0 (en) * 1986-04-03 1986-05-08 Secr Defence Liquid crystal devices
GB8608115D0 (en) * 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
GB8608114D0 (en) 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
US4835751A (en) * 1986-06-13 1989-05-30 Semiconductor Energy Laboratory, Ltd. Reading system for use with optical disc memory system utilizing a smectic chiral liquid crystal
US4853911A (en) * 1986-06-13 1989-08-01 Semiconductor Energy Laboratory Co., Ltd. Optical disc memory system utilizing a smectic chiral liquid crystal
US4879059A (en) * 1986-09-02 1989-11-07 Canon Kabushiki Kaisha Liquid crystal device
DE3789296T2 (de) * 1986-11-29 1994-10-13 Kanegafuchi Chemical Ind Polyimid mit Formstabilität beim Erhitzen.
EP0277547A3 (de) * 1987-01-20 1989-12-06 Kanegafuchi Chemical Industry Co., Ltd. Polyimid mit Formstabilität beim Erhitzen
JP2573595B2 (ja) * 1987-03-09 1997-01-22 鐘淵化学工業株式会社 ポリイミド膜
JPS63237031A (ja) * 1987-03-26 1988-10-03 Fuji Photo Film Co Ltd 液晶表示素子
US5268780A (en) * 1989-05-11 1993-12-07 Canon Kabushiki Kaisha Liquid crystal device having a polyimide alignment film substituted with fluorine or a fluorine-containing group
US5200848A (en) * 1987-09-17 1993-04-06 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
US5422749A (en) * 1987-09-17 1995-06-06 Canon Kabushiki Kaisha Ferroelectric smetic liquid crystal device
US5016989A (en) * 1987-09-18 1991-05-21 Canon Kabushiki Kaisha Liquid crystal element with improved contrast and brightness
JPH01177016A (ja) * 1987-12-28 1989-07-13 Sharp Corp 強誘電性液晶シャッタ
US5187402A (en) * 1988-08-31 1993-02-16 Seikosha Co., Ltd. Piezoelectric device and related converting devices
US5202600A (en) * 1988-08-31 1993-04-13 Seikosha Co., Ltd. Piezoelectric device and related converting devices
JP2709318B2 (ja) * 1988-08-31 1998-02-04 セイコープレシジョン株式会社 液晶パネルおよび液晶パネルを用いた変換装置
US5082352A (en) * 1988-09-29 1992-01-21 Canon Kabushiki Kaisha Ferroelectric liquid crystal apparatus
JPH02310524A (ja) * 1989-05-26 1990-12-26 Sharp Corp 液晶表示装置
US5011268A (en) * 1989-10-30 1991-04-30 General Electric Company Inorganic alignment layer for liquid crystal devices and method of forming
US4980041A (en) * 1989-10-30 1990-12-25 General Electric Company Method of making liquid crystal devices with improved adherence
US5013139A (en) * 1989-10-30 1991-05-07 General Electric Company Alignment layer for liquid crystal devices and method of forming
JPH04218018A (ja) * 1990-06-14 1992-08-07 Hoechst Japan Ltd 液晶セルの製造法
JP2553773B2 (ja) * 1991-01-09 1996-11-13 松下電器産業株式会社 空間光変調素子および神経ネットワーク回路
JP3097702B2 (ja) * 1991-08-13 2000-10-10 日産化学工業株式会社 新規な液晶配向処理剤
JP3365563B2 (ja) * 1993-01-22 2003-01-14 日産化学工業株式会社 液晶セル用配向処理剤
JP3177872B2 (ja) * 1995-03-27 2001-06-18 ジェイエスアール株式会社 液晶配向剤
US5700860A (en) * 1995-03-27 1997-12-23 Japan Synthetic Rubber Co., Ltd. Liquid crystal orienting agent
US5747122A (en) * 1996-03-08 1998-05-05 Nippondenso Co., Ltd. Antiferroelectric liquid crystal cell
US6088471A (en) * 1997-05-16 2000-07-11 Authentec, Inc. Fingerprint sensor including an anisotropic dielectric coating and associated methods
KR100926024B1 (ko) * 2002-03-26 2009-11-11 후지필름 가부시키가이샤 편광판 및 액정 디스플레이
US8370125B2 (en) * 2006-01-13 2013-02-05 Research In Motion Limited Handheld electronic device and method for disambiguation of text input providing artificial variants comprised of characters in a core alphabet

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527750A (en) * 1975-07-08 1977-01-21 Dainippon Printing Co Ltd Photoelectric cell
FR2422854A1 (fr) * 1978-04-14 1979-11-09 Tele Stage Ass Ltd Perfectionnements aux ensembles telescopiques, notamment pour la suspension d'appareils d'eclairage dans les studios de cinema et de television
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPS5911884B2 (ja) * 1980-02-15 1984-03-19 株式会社日立製作所 液晶表示素子
JPS57133432A (en) * 1981-02-13 1982-08-18 Canon Inc Orienting method for liquid crystal
JPS58173718A (ja) * 1982-04-07 1983-10-12 Hitachi Ltd 液晶光変調素子およびその製造方法
US4561726A (en) * 1983-07-29 1985-12-31 At&T Bell Laboratories Alignment of ferroelectric LCDs

Also Published As

Publication number Publication date
US4634228A (en) 1987-01-06
DE3587459T2 (de) 1994-01-05
EP0160302A2 (de) 1985-11-06
EP0160302A3 (en) 1988-11-30
EP0160302B1 (de) 1993-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee