EP1026657A3 - Adressierbare Matrixgeräte - Google Patents

Adressierbare Matrixgeräte Download PDF

Info

Publication number
EP1026657A3
EP1026657A3 EP00300444A EP00300444A EP1026657A3 EP 1026657 A3 EP1026657 A3 EP 1026657A3 EP 00300444 A EP00300444 A EP 00300444A EP 00300444 A EP00300444 A EP 00300444A EP 1026657 A3 EP1026657 A3 EP 1026657A3
Authority
EP
European Patent Office
Prior art keywords
row
signal generator
switching elements
electrode
electrode tracks
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.)
Withdrawn
Application number
EP00300444A
Other languages
English (en)
French (fr)
Other versions
EP1026657A2 (de
Inventor
Alistair Graham
Jonathan Rennie Hughes
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.)
Qinetiq Ltd
Sharp Corp
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence, Sharp Corp filed Critical UK Secretary of State for Defence
Publication of EP1026657A2 publication Critical patent/EP1026657A2/de
Publication of EP1026657A3 publication Critical patent/EP1026657A3/de
Withdrawn legal-status Critical Current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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3692—Details of drivers for data electrodes suitable for passive matrices only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/06—Passive matrix structure, i.e. with direct application of both column and row voltages to the light emitting or modulating elements, other than LCD or OLED
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • 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
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
EP00300444A 1999-02-04 2000-01-21 Adressierbare Matrixgeräte Withdrawn EP1026657A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9902343 1999-02-04
GBGB9902343.4A GB9902343D0 (en) 1999-02-04 1999-02-04 overnment Of The United Kingdom Of Great Britain And Northern Ireland The Addressable matrix arrays

Publications (2)

Publication Number Publication Date
EP1026657A2 EP1026657A2 (de) 2000-08-09
EP1026657A3 true EP1026657A3 (de) 2002-06-19

Family

ID=10847000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00300444A Withdrawn EP1026657A3 (de) 1999-02-04 2000-01-21 Adressierbare Matrixgeräte

Country Status (3)

Country Link
EP (1) EP1026657A3 (de)
JP (1) JP2000227584A (de)
GB (1) GB9902343D0 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002196719A (ja) * 2000-12-22 2002-07-12 Hitachi Ltd プラズマディスプレイ装置
US6943500B2 (en) 2001-10-19 2005-09-13 Clare Micronix Integrated Systems, Inc. Matrix element precharge voltage adjusting apparatus and method
KR100840330B1 (ko) * 2002-08-07 2008-06-20 삼성전자주식회사 액정 표시 장치 및 이에 사용하는 구동 집적 회로
FR2916296B1 (fr) * 2007-05-18 2009-08-21 Nemoptic Sa Procede d'adressage d'un ecran matriciel a cristal liquide et dispositif appliquant ce procede.
US8941640B2 (en) 2012-06-08 2015-01-27 Apple Inc. Differential VCOM resistance or capacitance tuning for improved image quality

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859997A (en) * 1986-12-16 1989-08-22 Thomson-Csf Display system for displaying essential data by separately handling different parts of the image to maximize reliability
JPH04269789A (ja) * 1991-02-25 1992-09-25 Seiko Instr Inc 電気光学的表示装置
JPH05203997A (ja) * 1992-01-24 1993-08-13 Toshiba Corp 液晶表示装置
JPH0777946A (ja) * 1993-09-07 1995-03-20 Seiko Epson Corp 液晶表示装置
US5671032A (en) * 1994-12-29 1997-09-23 Samsung Display Devices Co., Ltd. Ferroelectric liquid crystal device for gray scale display, gray scale display apparatus and method adopting the same
GB2334610A (en) * 1998-02-19 1999-08-25 Sharp Kk Driving liquid crystal displays

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859997A (en) * 1986-12-16 1989-08-22 Thomson-Csf Display system for displaying essential data by separately handling different parts of the image to maximize reliability
JPH04269789A (ja) * 1991-02-25 1992-09-25 Seiko Instr Inc 電気光学的表示装置
JPH05203997A (ja) * 1992-01-24 1993-08-13 Toshiba Corp 液晶表示装置
JPH0777946A (ja) * 1993-09-07 1995-03-20 Seiko Epson Corp 液晶表示装置
US5671032A (en) * 1994-12-29 1997-09-23 Samsung Display Devices Co., Ltd. Ferroelectric liquid crystal device for gray scale display, gray scale display apparatus and method adopting the same
GB2334610A (en) * 1998-02-19 1999-08-25 Sharp Kk Driving liquid crystal displays

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 060 (P - 1482) 5 February 1993 (1993-02-05) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 631 (P - 1648) 22 November 1993 (1993-11-22) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 06 31 July 1995 (1995-07-31) *

Also Published As

Publication number Publication date
GB9902343D0 (en) 1999-03-24
JP2000227584A (ja) 2000-08-15
EP1026657A2 (de) 2000-08-09

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