JPS61241731A - スメクテイック液晶装置 - Google Patents

スメクテイック液晶装置

Info

Publication number
JPS61241731A
JPS61241731A JP8365185A JP8365185A JPS61241731A JP S61241731 A JPS61241731 A JP S61241731A JP 8365185 A JP8365185 A JP 8365185A JP 8365185 A JP8365185 A JP 8365185A JP S61241731 A JPS61241731 A JP S61241731A
Authority
JP
Japan
Prior art keywords
liquid crystal
time
dark
voltage
bright
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
JP8365185A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431372B2 (de
Inventor
Takamasa Harada
隆正 原田
Masaaki Taguchi
田口　雅明
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments 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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP8365185A priority Critical patent/JPS61241731A/ja
Priority to EP19860302887 priority patent/EP0200427B1/de
Priority to DE8686302887T priority patent/DE3682610D1/de
Publication of JPS61241731A publication Critical patent/JPS61241731A/ja
Publication of JPH0431372B2 publication Critical patent/JPH0431372B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
JP8365185A 1985-04-19 1985-04-19 スメクテイック液晶装置 Granted JPS61241731A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8365185A JPS61241731A (ja) 1985-04-19 1985-04-19 スメクテイック液晶装置
EP19860302887 EP0200427B1 (de) 1985-04-19 1986-04-17 Elektrooptische Vorrichtung mit chiral smektischem Flüssigkristall und Verfahren zu deren Ansteuerung
DE8686302887T DE3682610D1 (de) 1985-04-19 1986-04-17 Elektrooptische vorrichtung mit chiral smektischem fluessigkristall und verfahren zu deren ansteuerung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8365185A JPS61241731A (ja) 1985-04-19 1985-04-19 スメクテイック液晶装置

Publications (2)

Publication Number Publication Date
JPS61241731A true JPS61241731A (ja) 1986-10-28
JPH0431372B2 JPH0431372B2 (de) 1992-05-26

Family

ID=13808352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8365185A Granted JPS61241731A (ja) 1985-04-19 1985-04-19 スメクテイック液晶装置

Country Status (3)

Country Link
EP (1) EP0200427B1 (de)
JP (1) JPS61241731A (de)
DE (1) DE3682610D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281136A (ja) * 1987-05-13 1988-11-17 Canon Inc 液晶装置
US5132818A (en) * 1985-12-25 1992-07-21 Canon Kabushiki Kaisha Ferroelectric liquid crystal optical modulation device and driving method therefor to apply an erasing voltage in the first time period of the scanning selection period
US5440412A (en) * 1985-12-25 1995-08-08 Canon Kabushiki Kaisha Driving method for a ferroelectric optical modulation device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010328A (en) * 1987-07-21 1991-04-23 Thorn Emi Plc Display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0629919B2 (ja) * 1982-04-16 1994-04-20 株式会社日立製作所 液晶素子の駆動方法
EP0106386A3 (de) * 1982-09-23 1985-03-13 BBC Brown Boveri AG Verfahren zur Ansteuerung einer multiplexierbaren, bistabilen Flüssigkristallanzeige
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
AU584867B2 (en) * 1983-12-09 1989-06-08 Seiko Instruments & Electronics Ltd. A liquid crystal display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132818A (en) * 1985-12-25 1992-07-21 Canon Kabushiki Kaisha Ferroelectric liquid crystal optical modulation device and driving method therefor to apply an erasing voltage in the first time period of the scanning selection period
US5440412A (en) * 1985-12-25 1995-08-08 Canon Kabushiki Kaisha Driving method for a ferroelectric optical modulation device
JPS63281136A (ja) * 1987-05-13 1988-11-17 Canon Inc 液晶装置

Also Published As

Publication number Publication date
EP0200427B1 (de) 1991-11-27
EP0200427A1 (de) 1986-11-05
JPH0431372B2 (de) 1992-05-26
DE3682610D1 (de) 1992-01-09

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