DE69416005D1 - Analoge graupegeladressierung in einer ferroelektrischen flüssigkristallanzeige mit subelektrodenstruktur - Google Patents

Analoge graupegeladressierung in einer ferroelektrischen flüssigkristallanzeige mit subelektrodenstruktur

Info

Publication number
DE69416005D1
DE69416005D1 DE69416005T DE69416005T DE69416005D1 DE 69416005 D1 DE69416005 D1 DE 69416005D1 DE 69416005 T DE69416005 T DE 69416005T DE 69416005 T DE69416005 T DE 69416005T DE 69416005 D1 DE69416005 D1 DE 69416005D1
Authority
DE
Germany
Prior art keywords
subelectrode
liquid crystal
crystal display
gray level
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
DE69416005T
Other languages
English (en)
Other versions
DE69416005T2 (de
Inventor
Neil Lockmuller
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.)
Central Research Laboratories Ltd
Original Assignee
Central Research Laboratories Ltd
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 Central Research Laboratories Ltd filed Critical Central Research Laboratories Ltd
Publication of DE69416005D1 publication Critical patent/DE69416005D1/de
Application granted granted Critical
Publication of DE69416005T2 publication Critical patent/DE69416005T2/de
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
    • G09G3/3637—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with intermediate tones displayed by domain size control
    • 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
    • G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/207—Display of intermediate tones by domain size control

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)
DE69416005T 1993-12-02 1994-11-17 Analoge graupegeladressierung in einer ferroelektrischen flüssigkristallanzeige mit subelektrodenstruktur Expired - Fee Related DE69416005T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939324710A GB9324710D0 (en) 1993-12-02 1993-12-02 Analogue greyscale addressing
PCT/GB1994/002533 WO1995015548A1 (en) 1993-12-02 1994-11-17 Analogue greyscale addressing in a ferroelectric liquid crystal display with sub-electrode structure

Publications (2)

Publication Number Publication Date
DE69416005D1 true DE69416005D1 (de) 1999-02-25
DE69416005T2 DE69416005T2 (de) 1999-09-02

Family

ID=10745997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416005T Expired - Fee Related DE69416005T2 (de) 1993-12-02 1994-11-17 Analoge graupegeladressierung in einer ferroelektrischen flüssigkristallanzeige mit subelektrodenstruktur

Country Status (8)

Country Link
US (1) US5739798A (de)
EP (1) EP0731966B1 (de)
JP (1) JPH09505908A (de)
KR (1) KR100319960B1 (de)
CA (1) CA2177996A1 (de)
DE (1) DE69416005T2 (de)
GB (1) GB9324710D0 (de)
WO (1) WO1995015548A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5614924A (en) * 1994-06-01 1997-03-25 Sharp Kabushiki Kaisha Ferroelectric liquid crystal display device and a driving method of effecting gradational display therefor
EP0740187B1 (de) 1995-04-28 2004-06-23 Hewlett-Packard Company, A Delaware Corporation Elektrooptische Anzeigevorrichtung
GB2326509A (en) * 1997-06-20 1998-12-23 Sharp Kk Addressing liquid crystal displays
GB2508845A (en) * 2012-12-12 2014-06-18 Sharp Kk Analogue multi-pixel drive

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990068A (en) * 1976-01-26 1976-11-02 Control Data Corporation Plasma display panel drive system
EP0224243B1 (de) * 1985-11-26 1992-06-10 Canon Kabushiki Kaisha Optische Modulationsvorrichtung und Verfahren zu deren Ansteuerung
US5255110A (en) * 1985-12-25 1993-10-19 Canon Kabushiki Kaisha Driving method for optical modulation device using ferroelectric liquid crystal
US4824218A (en) * 1986-04-09 1989-04-25 Canon Kabushiki Kaisha Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes
JP2505757B2 (ja) * 1986-07-23 1996-06-12 キヤノン株式会社 光学変調素子の駆動法
US4822142A (en) * 1986-12-23 1989-04-18 Hosiden Electronics Co. Ltd. Planar display device
JPH0827460B2 (ja) * 1987-01-29 1996-03-21 キヤノン株式会社 光学変調素子
US4870398A (en) * 1987-10-08 1989-09-26 Tektronix, Inc. Drive waveform for ferroelectric displays
GB8808812D0 (en) * 1988-04-14 1988-05-18 Emi Plc Thorn Display device
US5136408A (en) * 1988-06-01 1992-08-04 Canon Kabushiki Kaisha Liquid crystal apparatus and driving method therefor
JP2592958B2 (ja) * 1989-06-30 1997-03-19 キヤノン株式会社 液晶装置
US5247288A (en) * 1989-11-06 1993-09-21 Board Of Trustees Of University Of Illinois High speed addressing method and apparatus for independent sustain and address plasma display panel
JP2941987B2 (ja) * 1990-04-09 1999-08-30 キヤノン株式会社 液晶表示装置およびその駆動方法
NL9000942A (nl) * 1990-04-20 1991-11-18 Philips Nv Weergeefinrichting.
US5250936A (en) * 1990-04-23 1993-10-05 Board Of Trustees Of The University Of Illinois Method for driving an independent sustain and address plasma display panel to prevent errant pixel erasures
US5075097A (en) * 1990-10-11 1991-12-24 Cameron Gordon M Method and apparatus for sulfuric acid concentration
JP3173061B2 (ja) * 1991-09-11 2001-06-04 ソニー株式会社 プラズマアドレス電気光学装置
JPH05134626A (ja) * 1991-11-11 1993-05-28 Sharp Corp 液晶素子とその駆動方法
US5400046A (en) * 1993-03-04 1995-03-21 Tektronix, Inc. Electrode shunt in plasma channel
EP0615221A3 (en) * 1993-03-12 1995-11-29 Pioneer Electronic Corp Driving apparatus of plasma display panel.
US5614924A (en) * 1994-06-01 1997-03-25 Sharp Kabushiki Kaisha Ferroelectric liquid crystal display device and a driving method of effecting gradational display therefor

Also Published As

Publication number Publication date
GB9324710D0 (en) 1994-01-19
EP0731966B1 (de) 1999-01-13
EP0731966A1 (de) 1996-09-18
JPH09505908A (ja) 1997-06-10
KR100319960B1 (ko) 2002-04-22
KR960706669A (ko) 1996-12-09
CA2177996A1 (en) 1995-06-08
US5739798A (en) 1998-04-14
WO1995015548A1 (en) 1995-06-08
DE69416005T2 (de) 1999-09-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee