DE69023215T2 - Method and device for controlling a ferroelectric liquid crystal display panel. - Google Patents

Method and device for controlling a ferroelectric liquid crystal display panel.

Info

Publication number
DE69023215T2
DE69023215T2 DE69023215T DE69023215T DE69023215T2 DE 69023215 T2 DE69023215 T2 DE 69023215T2 DE 69023215 T DE69023215 T DE 69023215T DE 69023215 T DE69023215 T DE 69023215T DE 69023215 T2 DE69023215 T2 DE 69023215T2
Authority
DE
Germany
Prior art keywords
controlling
liquid crystal
crystal display
display panel
ferroelectric liquid
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
DE69023215T
Other languages
German (de)
Other versions
DE69023215D1 (en
Inventor
Takaji Numao
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69023215D1 publication Critical patent/DE69023215D1/en
Publication of DE69023215T2 publication Critical patent/DE69023215T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE69023215T 1989-12-29 1990-12-28 Method and device for controlling a ferroelectric liquid crystal display panel. Expired - Fee Related DE69023215T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1342512A JPH03203776A (en) 1989-12-29 1989-12-29 Display controller for ferroelectric liquid crystal panel

Publications (2)

Publication Number Publication Date
DE69023215D1 DE69023215D1 (en) 1995-11-30
DE69023215T2 true DE69023215T2 (en) 1996-04-25

Family

ID=18354317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023215T Expired - Fee Related DE69023215T2 (en) 1989-12-29 1990-12-28 Method and device for controlling a ferroelectric liquid crystal display panel.

Country Status (4)

Country Link
EP (1) EP0435701B1 (en)
JP (1) JPH03203776A (en)
KR (1) KR940003428B1 (en)
DE (1) DE69023215T2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920006903A (en) * 1990-09-27 1992-04-28 쯔지 하루오 Control Method and Display Control Device of LCD
JP3251064B2 (en) * 1991-11-07 2002-01-28 シャープ株式会社 LCD panel display controller
JP2996564B2 (en) * 1991-11-08 2000-01-11 シャープ株式会社 Driving method of liquid crystal panel
EP0581594B1 (en) * 1992-07-31 1998-09-30 Canon Kabushiki Kaisha Display controlling apparatus
EP0608053B1 (en) * 1993-01-11 1999-12-01 Canon Kabushiki Kaisha Colour display system
JP3222691B2 (en) * 1994-07-04 2001-10-29 キヤノン株式会社 Change line detection apparatus and method
JP3900663B2 (en) * 1997-06-25 2007-04-04 ソニー株式会社 Optical spatial modulation element and image display device
JP2000182508A (en) 1998-12-16 2000-06-30 Sony Corp Field emission type cathode, electron emitting device, and manufacture of electron emitting device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118929A (en) * 1984-07-05 1986-01-27 Seiko Instr & Electronics Ltd Liquid-crystal display device
JP2768421B2 (en) * 1987-08-31 1998-06-25 シャープ株式会社 Display method of ferroelectric liquid crystal display device
AU634725B2 (en) * 1988-10-31 1993-03-04 Canon Kabushiki Kaisha Display system

Also Published As

Publication number Publication date
KR910013036A (en) 1991-08-08
JPH03203776A (en) 1991-09-05
KR940003428B1 (en) 1994-04-22
EP0435701A2 (en) 1991-07-03
EP0435701B1 (en) 1995-10-25
DE69023215D1 (en) 1995-11-30
EP0435701A3 (en) 1992-08-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee