TW337579B - A drive - Google Patents

A drive

Info

Publication number
TW337579B
TW337579B TW085114682A TW85114682A TW337579B TW 337579 B TW337579 B TW 337579B TW 085114682 A TW085114682 A TW 085114682A TW 85114682 A TW85114682 A TW 85114682A TW 337579 B TW337579 B TW 337579B
Authority
TW
Taiwan
Prior art keywords
drive
liquid crystal
crystal display
voltage levels
driving
Prior art date
Application number
TW085114682A
Other languages
Chinese (zh)
Inventor
Ho Kay-Pui
Original Assignee
Varintelligent Bvi Ltd
Terence Leslie Johnson
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 Varintelligent Bvi Ltd, Terence Leslie Johnson filed Critical Varintelligent Bvi Ltd
Application granted granted Critical
Publication of TW337579B publication Critical patent/TW337579B/en

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
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2230/00—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
    • 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
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

A drive used for liquid crystal display with preset drive voltage levels and means for varying an ON:OFF ratio over a number of cycles effectively to present variable driving voltage levels for the driving of a liquid crystal display.
TW085114682A 1995-11-27 1996-11-28 A drive TW337579B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9524193.1A GB9524193D0 (en) 1995-11-27 1995-11-27 A driver
GB9624443A GB2307584A (en) 1995-11-27 1996-11-25 A driver for a liquid crystal display

Publications (1)

Publication Number Publication Date
TW337579B true TW337579B (en) 1998-08-01

Family

ID=10784492

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085114682A TW337579B (en) 1995-11-27 1996-11-28 A drive

Country Status (5)

Country Link
EP (1) EP0778558A3 (en)
KR (1) KR970029309A (en)
GB (2) GB9524193D0 (en)
SG (1) SG54392A1 (en)
TW (1) TW337579B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3339492B2 (en) * 2000-05-10 2002-10-28 日新電機株式会社 Operation method of ion source and ion beam irradiation device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193728B1 (en) * 1985-03-08 1992-08-19 Ascii Corporation Display control system
FR2621728B1 (en) * 1987-10-09 1990-01-05 Thomson Csf SYSTEM FOR VIEWING HALF-TONE IMAGES ON A MATRIX SCREEN
US5196839A (en) * 1988-09-16 1993-03-23 Chips And Technologies, Inc. Gray scales method and circuitry for flat panel graphics display
JPH0720821A (en) * 1993-06-24 1995-01-24 Internatl Business Mach Corp <Ibm> Multigradation thin-film transistor liquid-crystal display
JP3275991B2 (en) * 1994-07-27 2002-04-22 シャープ株式会社 Active matrix display device and driving method thereof

Also Published As

Publication number Publication date
KR970029309A (en) 1997-06-26
GB9524193D0 (en) 1996-01-31
EP0778558A2 (en) 1997-06-11
GB9624443D0 (en) 1997-01-15
EP0778558A3 (en) 1998-02-04
SG54392A1 (en) 1998-11-16
GB2307584A (en) 1997-05-28

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