GB2175726B - Liquid crystal apparatus - Google Patents

Liquid crystal apparatus

Info

Publication number
GB2175726B
GB2175726B GB8609746A GB8609746A GB2175726B GB 2175726 B GB2175726 B GB 2175726B GB 8609746 A GB8609746 A GB 8609746A GB 8609746 A GB8609746 A GB 8609746A GB 2175726 B GB2175726 B GB 2175726B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal apparatus
liquid
crystal
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
Application number
GB8609746A
Other languages
English (en)
Other versions
GB2175726A (en
GB8609746D0 (en
Inventor
Shinjiro Okada
Masahiko Enari
Yutaka Inaba
Tsutomu Toyono
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 JP8438085A external-priority patent/JPS61243429A/ja
Priority claimed from JP5526486A external-priority patent/JPS62211620A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB8609746D0 publication Critical patent/GB8609746D0/en
Publication of GB2175726A publication Critical patent/GB2175726A/en
Application granted granted Critical
Publication of GB2175726B publication Critical patent/GB2175726B/en
Expired 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
    • 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
    • G09G3/3674—Details of drivers for scan electrodes
    • 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
    • G09G2310/04—Partial updating of the display screen
    • 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
    • G09G2310/062—Waveforms for resetting a plurality of scan lines at a time
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display

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 Display Device Control (AREA)
  • Liquid Crystal (AREA)
GB8609746A 1985-04-22 1986-04-22 Liquid crystal apparatus Expired GB2175726B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8438085A JPS61243429A (ja) 1985-04-22 1985-04-22 液晶装置
JP5526486A JPS62211620A (ja) 1986-03-13 1986-03-13 液晶装置

Publications (3)

Publication Number Publication Date
GB8609746D0 GB8609746D0 (en) 1986-05-29
GB2175726A GB2175726A (en) 1986-12-03
GB2175726B true GB2175726B (en) 1989-07-26

Family

ID=26396159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8609746A Expired GB2175726B (en) 1985-04-22 1986-04-22 Liquid crystal apparatus

Country Status (3)

Country Link
DE (1) DE3613446A1 (fr)
FR (1) FR2580826B1 (fr)
GB (1) GB2175726B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
GB2185614B (en) * 1985-12-25 1990-04-18 Canon Kk Optical modulation device
US5255110A (en) * 1985-12-25 1993-10-19 Canon Kabushiki Kaisha Driving method for optical modulation device using ferroelectric liquid crystal
GB2208741B (en) * 1987-08-12 1992-03-25 Gen Electric Co Plc Ferroelectric liquid crystal devices
DE68922159T2 (de) * 1988-08-17 1995-09-14 Canon Kk Anzeigevorrichtung.
US5172105A (en) * 1989-12-20 1992-12-15 Canon Kabushiki Kaisha Display apparatus
EP0574810B1 (fr) * 1992-06-11 1998-09-09 Canon Kabushiki Kaisha Dispositif d'affichage
US8743041B2 (en) 2008-10-30 2014-06-03 Sharp Kabushiki Kaisha Liquid crystal display drive circuit and liquid crystal display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141279A (en) * 1983-04-19 1984-12-12 Canon Kk Electro-optical display devices
GB2156131A (en) * 1984-01-23 1985-10-02 Canon Kk Display devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324140B2 (fr) * 1973-01-24 1978-07-19
JPS57201295A (en) * 1981-06-04 1982-12-09 Sony Corp Two-dimensional address device
JPS59121391A (ja) * 1982-12-28 1984-07-13 シチズン時計株式会社 液晶表示装置
JPS59216190A (ja) * 1983-05-24 1984-12-06 株式会社日立製作所 表示制御方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141279A (en) * 1983-04-19 1984-12-12 Canon Kk Electro-optical display devices
GB2156131A (en) * 1984-01-23 1985-10-02 Canon Kk Display devices

Also Published As

Publication number Publication date
FR2580826A1 (fr) 1986-10-24
GB2175726A (en) 1986-12-03
FR2580826B1 (fr) 1993-11-05
GB8609746D0 (en) 1986-05-29
DE3613446C2 (fr) 1990-10-04
DE3613446A1 (de) 1986-11-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030422

PE20 Patent expired after termination of 20 years

Effective date: 20030422