ES2076262T3 - Aparato de cristal liquido y composicion de cristal liquido quiral esmectico a utilizar en el mismo. - Google Patents

Aparato de cristal liquido y composicion de cristal liquido quiral esmectico a utilizar en el mismo.

Info

Publication number
ES2076262T3
ES2076262T3 ES90112366T ES90112366T ES2076262T3 ES 2076262 T3 ES2076262 T3 ES 2076262T3 ES 90112366 T ES90112366 T ES 90112366T ES 90112366 T ES90112366 T ES 90112366T ES 2076262 T3 ES2076262 T3 ES 2076262T3
Authority
ES
Spain
Prior art keywords
voltage
liquid crystal
electrode
electrodes
orientation state
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 - Lifetime
Application number
ES90112366T
Other languages
English (en)
Inventor
Masahiro Terada
Masataka Yamashita
Shosei Mori
Shinichi Nakamura
Kenji Shinjo
Kazuharu Katagiri
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2076262T3 publication Critical patent/ES2076262T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

UN APARATO DE CRISTAL LIQUIDO INCLUYE: UNA CELULA DE CRISTAL LIQUIDO QUE COMPRENDE UN PAR DE SUSTRATOS QUE TIENE SOBRE SI UN PRIMER ELECTRODO Y UN SEGUNDO ELECTRODO, RESPECTIVAMENTE, DISPUESTOS OPUESTAMENTE ENTRE SI, Y UN CRISTAL DE LIQUIDO QUIRAL ESMECTICO QUE PRESENTA UNOS ESTADOS DE ORIENTACION PRIMERO Y SEGUNDO DISPUESTO ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO, Y UN CIRCUITO DE EXCITACION PARA APLICAR TENSIONES ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO, QUE INCLUYE UNAS TENSIONES VS Y VI QUE PROPORCIONANA UNAS TENSIONES VA Y VB (VB>VA), QUE GUARDAN LA RELACION: (VA-VB) / (VA+VB) >0,1 A 40OC, DONDE VA ES UN VALOR DE PICO MINIMO DE UNA TENSION (VS+VI) (CON ANCHURA DE IMPULSOS CONSTANTE), CAPAZ DE INVERTIR EL PRIMER ESTADO DE ORIENTACION DEL CRISTAL LIQUIDO QUIRAL ESMECTICO HACIA EL SEGUNDO ESTADO DE ORIENTACION AL APLICARSE UN IMPULSO DE TENSION ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO, PARA PROVOCAR EL PRIMER ESTADO DE ORIENTACION DEL CRISTAL DE LIQUIDO QUIRAL ESMECTICO, Y A CONTINUACION SE APLICA LA TENSION (VS+VI) ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO COMO COMBINACION DE UNA TENSION VS APLICADA AL PRIMER ELECTRODO Y UNA TENSION -VI APLICADA AL SEGUNDO ELECTRODO; Y VB ES UN VALOR DE (VS+VI) CALCULADO EN BASE A UN VALOR DE PICO MAXIMO DE UNA TENSION (VS-VI) (CON ANCHURA DE IMPULSO CONSTANTE) CAPAZ DE MANTENER EL PRIMER ESTADO DE ORIENTACION DEL CRISTAL LIQUIDO QUIRAL ESMECTICO CUANDO SE APLICA UN IMPULSO DE TENSION ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO, PARA PROVOCAR EL PRIMER ESTADO DE ORIENTACION, Y LUEGO SE APLICA LA TENSION (VS-VI) ENTRE LOS ELECTRODOS PRIMERO Y SEGUNDO, COMO COMBINACION DE UNA TENSION VS APLICADA AL PRIMER ELECTRODO Y UNA TENSION VI APLICADA AL SEGUNDO ELECTRODO
ES90112366T 1989-06-30 1990-06-28 Aparato de cristal liquido y composicion de cristal liquido quiral esmectico a utilizar en el mismo. Expired - Lifetime ES2076262T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1169422A JP2592958B2 (ja) 1989-06-30 1989-06-30 液晶装置

Publications (1)

Publication Number Publication Date
ES2076262T3 true ES2076262T3 (es) 1995-11-01

Family

ID=15886300

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90112366T Expired - Lifetime ES2076262T3 (es) 1989-06-30 1990-06-28 Aparato de cristal liquido y composicion de cristal liquido quiral esmectico a utilizar en el mismo.

Country Status (6)

Country Link
US (1) US5119219A (es)
EP (1) EP0406705B1 (es)
JP (1) JP2592958B2 (es)
AT (1) ATE127261T1 (es)
DE (1) DE69021962T2 (es)
ES (1) ES2076262T3 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2847331B2 (ja) * 1991-04-23 1999-01-20 キヤノン株式会社 液晶表示装置
DE69306201T2 (de) * 1992-09-01 1997-05-28 Philips Electronics Nv Einrichtung zur optischen Modulation
GB2271211A (en) * 1992-10-03 1994-04-06 Central Research Lab Ltd Addressing a ferroelectric liquid crystal display.
DE69317640T2 (de) * 1992-12-28 1998-07-30 Canon Kk Verfahren und Einrichtung für eine Flüssigkristallanzeige
US5446570A (en) * 1993-04-27 1995-08-29 Canon Kabushiki Kaisha Liquid crystal display with projecting portions on the electrodes
US5592190A (en) * 1993-04-28 1997-01-07 Canon Kabushiki Kaisha Liquid crystal display apparatus and drive method
JP2932229B2 (ja) * 1993-06-04 1999-08-09 キヤノン株式会社 液晶表示素子
JP3069004B2 (ja) * 1993-06-30 2000-07-24 チッソ株式会社 スメクチックｃ液晶組成物および液晶表示素子
GB9324710D0 (en) * 1993-12-02 1994-01-19 Central Research Lab Ltd Analogue greyscale addressing
JP2942161B2 (ja) * 1993-12-28 1999-08-30 キヤノン株式会社 液晶の配向処理方法、該方法を用いた液晶素子の製造方法、並びに液晶素子
KR0147590B1 (ko) * 1994-06-03 1998-12-01 윤종용 매트릭스형 액정표시소자 구동 장치 및 방법
US5728318A (en) * 1994-11-10 1998-03-17 Canon Kabushiki Kaisha Liquid crystal composition, liquid crystal device and liquid crystal display apparatus
DE69517338T2 (de) * 1994-12-29 2000-11-30 Chisso Corp., Osaka Flüssigkristalline smektische zusammensetzung und flüssigkristallvorrichtung
DE69618413T2 (de) * 1995-10-12 2002-06-20 Canon K.K., Tokio/Tokyo Flüssigkristallzusammensetzung, Flüssigkristallvorrichtung und Flüssigkristallanzeigeapparat
US5858482A (en) * 1996-07-26 1999-01-12 Canon Kabushiki Kaisha Liquid crystal device and process for production thereof
GB2326509A (en) * 1997-06-20 1998-12-23 Sharp Kk Addressing liquid crystal displays
JP3787846B2 (ja) * 1997-10-01 2006-06-21 シチズン時計株式会社 反強誘電性液晶装置
JP3478717B2 (ja) 1997-10-27 2003-12-15 キヤノン株式会社 液晶表示装置の調整方法
EP1113412B1 (en) * 1999-12-27 2014-05-21 Japan Display Inc. Liquid crystal display apparatus and method for driving the same
US7284100B2 (en) * 2003-05-12 2007-10-16 International Business Machines Corporation Invalidating storage, clearing buffer entries, and an instruction therefor
KR101133753B1 (ko) * 2004-07-26 2012-04-09 삼성전자주식회사 감지 소자를 내장한 액정 표시 장치
JP5769353B2 (ja) 2007-07-13 2015-08-26 チェイル インダストリーズ インコーポレイテッド 粘着剤組成物及び光学部材
US9957213B2 (en) * 2013-07-30 2018-05-01 Semiconductor Energy Laboratory Co. Organic compound, liquid crystal composition, liquid crystal element, and liquid crystal display device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPS56107217A (en) * 1980-01-31 1981-08-26 Canon Inc Calescence point scanning element
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
JPS60107023A (ja) * 1983-11-15 1985-06-12 Canon Inc 液晶装置
FR2558606B1 (fr) * 1984-01-23 1993-11-05 Canon Kk Procede de commande d'un dispositif de modulation optique et dispositif de modulation optique pour sa mise en oeuvre
US4778260A (en) * 1985-04-22 1988-10-18 Canon Kabushiki Kaisha Method and apparatus for driving optical modulation device
GB2178581B (en) * 1985-07-12 1989-07-19 Canon Kk Liquid crystal apparatus and driving method therefor
JPS62150334A (ja) * 1985-12-25 1987-07-04 Canon Inc 液晶装置
US4770502A (en) * 1986-01-10 1988-09-13 Hitachi, Ltd. Ferroelectric liquid crystal matrix driving apparatus and method
JP2505756B2 (ja) * 1986-07-22 1996-06-12 キヤノン株式会社 光学変調素子の駆動法
JPS63116128A (ja) * 1986-11-04 1988-05-20 Canon Inc 光学変調装置
US4952032A (en) * 1987-03-31 1990-08-28 Canon Kabushiki Kaisha Display device
EP0293910B1 (en) * 1987-06-04 1994-02-02 Canon Kabushiki Kaisha Liquid crystal composition and liquid crystal device containing same
DE68918172T2 (de) * 1988-06-24 1995-01-26 Canon Kk Ferroelektrische chirale smektische Flüssigkristallzusammensetzung und Vorrichtung mit dieser Zusammensetzung.
EP0347941B1 (en) * 1988-06-24 1996-09-04 Canon Kabushiki Kaisha Chiral smectic liquid crystal composition and liquid crystal device using same

Also Published As

Publication number Publication date
EP0406705A3 (en) 1992-09-30
DE69021962T2 (de) 1996-02-15
ATE127261T1 (de) 1995-09-15
DE69021962D1 (de) 1995-10-05
US5119219A (en) 1992-06-02
EP0406705A2 (en) 1991-01-09
EP0406705B1 (en) 1995-08-30
JP2592958B2 (ja) 1997-03-19
JPH0335220A (ja) 1991-02-15

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