EP0717305A3 - Flüssigkristallelement und Flüssigkristallvorrichtung - Google Patents

Flüssigkristallelement und Flüssigkristallvorrichtung Download PDF

Info

Publication number
EP0717305A3
EP0717305A3 EP96102488A EP96102488A EP0717305A3 EP 0717305 A3 EP0717305 A3 EP 0717305A3 EP 96102488 A EP96102488 A EP 96102488A EP 96102488 A EP96102488 A EP 96102488A EP 0717305 A3 EP0717305 A3 EP 0717305A3
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
crystal element
spontaneous polarization
electrode substrates
interelectrode
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
EP96102488A
Other languages
English (en)
French (fr)
Other versions
EP0717305B1 (de
EP0717305A2 (de
Inventor
Shuzo Kaneko
Ryoji Fujiwara
Akio Yoshida
Tomoko Maruyama
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
Priority claimed from JP03192048A external-priority patent/JP3143497B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0717305A2 publication Critical patent/EP0717305A2/de
Publication of EP0717305A3 publication Critical patent/EP0717305A3/de
Application granted granted Critical
Publication of EP0717305B1 publication Critical patent/EP0717305B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3648Control of matrices with row and column drivers using an active matrix
    • G09G3/3651Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • G09G2310/061Details of flat display driving waveforms for resetting or blanking
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • G09G2310/065Waveforms comprising zero voltage phase or pause
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/2011Display of intermediate tones by amplitude modulation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/207Display of intermediate tones by domain size control

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal Substances (AREA)
EP96102488A 1990-08-22 1991-08-21 Flüssigkristallvorrichtung Expired - Lifetime EP0717305B1 (de)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP22170990 1990-08-22
JP221710/90 1990-08-22
JP22171090 1990-08-22
JP22170990 1990-08-22
JP22171090 1990-08-22
JP221709/90 1990-08-22
JP19204891 1991-07-31
JP192048/91 1991-07-31
JP03192048A JP3143497B2 (ja) 1990-08-22 1991-07-31 液晶装置
EP91114021A EP0473058B1 (de) 1990-08-22 1991-08-21 Flüssigkristallgerät

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP91114021.8 Division 1991-08-21
EP91114021A Division EP0473058B1 (de) 1990-08-22 1991-08-21 Flüssigkristallgerät

Publications (3)

Publication Number Publication Date
EP0717305A2 EP0717305A2 (de) 1996-06-19
EP0717305A3 true EP0717305A3 (de) 1996-11-20
EP0717305B1 EP0717305B1 (de) 2002-11-06

Family

ID=27326554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102488A Expired - Lifetime EP0717305B1 (de) 1990-08-22 1991-08-21 Flüssigkristallvorrichtung

Country Status (4)

Country Link
EP (1) EP0717305B1 (de)
AT (2) ATE227437T1 (de)
DE (2) DE69133146T2 (de)
ES (1) ES2098286T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19732381A1 (de) * 1997-07-25 1999-01-28 Hoechst Ag Ferroelektrische Flüssigkristallanzeige mit aktiven Matrix Elementen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294852A2 (de) * 1987-06-12 1988-12-14 Canon Kabushiki Kaisha Vorrichtung mit einem ferroelektrischen Flüssigkristall

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294852A2 (de) * 1987-06-12 1988-12-14 Canon Kabushiki Kaisha Vorrichtung mit einem ferroelektrischen Flüssigkristall

Also Published As

Publication number Publication date
EP0717305B1 (de) 2002-11-06
DE69125228D1 (de) 1997-04-24
DE69133146T2 (de) 2004-02-05
ES2098286T3 (es) 1997-05-01
EP0717305A2 (de) 1996-06-19
ATE227437T1 (de) 2002-11-15
DE69125228T2 (de) 1997-08-28
DE69133146D1 (de) 2002-12-12
ATE150570T1 (de) 1997-04-15

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