EP0561135A3 - - Google Patents

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Publication number
EP0561135A3
EP0561135A3 EP93101638A EP93101638A EP0561135A3 EP 0561135 A3 EP0561135 A3 EP 0561135A3 EP 93101638 A EP93101638 A EP 93101638A EP 93101638 A EP93101638 A EP 93101638A EP 0561135 A3 EP0561135 A3 EP 0561135A3
Authority
EP
European Patent Office
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.)
Withdrawn
Application number
EP93101638A
Other versions
EP0561135A2 (de
Inventor
Claus Dr Escher
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of EP0561135A2 publication Critical patent/EP0561135A2/de
Publication of EP0561135A3 publication Critical patent/EP0561135A3/xx
Withdrawn legal-status Critical Current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
    • G09G3/3622Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, 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
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202Addressing of scan or signal lines
    • G09G2310/0205Simultaneous scanning of several lines in flat panels
    • 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
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
EP93101638A 1992-02-08 1993-02-03 Verfahren zur Ansteuerung von bistabilen, insbesondere ferroelektrischen Flüssigkristalldisplays Withdrawn EP0561135A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4203685 1992-02-08
DE4203685 1992-02-08

Publications (2)

Publication Number Publication Date
EP0561135A2 EP0561135A2 (de) 1993-09-22
EP0561135A3 true EP0561135A3 (enrdf_load_stackoverflow) 1994-12-21

Family

ID=6451248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101638A Withdrawn EP0561135A2 (de) 1992-02-08 1993-02-03 Verfahren zur Ansteuerung von bistabilen, insbesondere ferroelektrischen Flüssigkristalldisplays

Country Status (3)

Country Link
EP (1) EP0561135A2 (enrdf_load_stackoverflow)
JP (1) JPH05281912A (enrdf_load_stackoverflow)
KR (1) KR930018456A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001680A1 (en) * 1987-08-12 1989-02-23 The General Electric Company, Plc Apparatus and method for driving a ferroelectric liquid crystal device
WO1989001681A1 (en) * 1987-08-12 1989-02-23 The General Electric Company, Plc Ferroelectric liquid crystal devices
EP0424958A2 (en) * 1989-10-27 1991-05-02 Canon Kabushiki Kaisha Liquid crystal display apparatus having controlled power-off

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001680A1 (en) * 1987-08-12 1989-02-23 The General Electric Company, Plc Apparatus and method for driving a ferroelectric liquid crystal device
WO1989001681A1 (en) * 1987-08-12 1989-02-23 The General Electric Company, Plc Ferroelectric liquid crystal devices
EP0424958A2 (en) * 1989-10-27 1991-05-02 Canon Kabushiki Kaisha Liquid crystal display apparatus having controlled power-off

Also Published As

Publication number Publication date
JPH05281912A (ja) 1993-10-29
EP0561135A2 (de) 1993-09-22
KR930018456A (ko) 1993-09-22

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