EP0344753A3 - Flüssigkristallgerät und Verfahren zum Steuern dieses Gerätes - Google Patents

Flüssigkristallgerät und Verfahren zum Steuern dieses Gerätes Download PDF

Info

Publication number
EP0344753A3
EP0344753A3 EP19890109852 EP89109852A EP0344753A3 EP 0344753 A3 EP0344753 A3 EP 0344753A3 EP 19890109852 EP19890109852 EP 19890109852 EP 89109852 A EP89109852 A EP 89109852A EP 0344753 A3 EP0344753 A3 EP 0344753A3
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
pixel
crystal apparatus
pulse
electrodes
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.)
Granted
Application number
EP19890109852
Other languages
English (en)
French (fr)
Other versions
EP0344753B1 (de
EP0344753A2 (de
Inventor
Shinjiro Okada
Yutaka Inaba
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of EP0344753A2 publication Critical patent/EP0344753A2/de
Publication of EP0344753A3 publication Critical patent/EP0344753A3/de
Application granted granted Critical
Publication of EP0344753B1 publication Critical patent/EP0344753B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display

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)
EP19890109852 1988-06-01 1989-05-31 Flüssigkristallgerät und Verfahren zum Steuern dieses Gerätes Expired - Lifetime EP0344753B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13590788A JPH0833537B2 (ja) 1988-06-01 1988-06-01 液晶装置及びその駆動法
JP135907/88 1988-06-01

Publications (3)

Publication Number Publication Date
EP0344753A2 EP0344753A2 (de) 1989-12-06
EP0344753A3 true EP0344753A3 (de) 1991-08-14
EP0344753B1 EP0344753B1 (de) 1995-08-02

Family

ID=15162618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890109852 Expired - Lifetime EP0344753B1 (de) 1988-06-01 1989-05-31 Flüssigkristallgerät und Verfahren zum Steuern dieses Gerätes

Country Status (3)

Country Link
EP (1) EP0344753B1 (de)
JP (1) JPH0833537B2 (de)
DE (1) DE68923654T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2312542B (en) * 1995-12-21 2000-02-23 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
GB9526270D0 (en) * 1995-12-21 1996-02-21 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
US6423385B1 (en) * 1999-02-25 2002-07-23 Hitachi, Ltd. Liquid crystal display devices

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244804A2 (de) * 1986-05-09 1987-11-11 Hitachi, Ltd. Verfahren zur Multiplexsteuerung eines ein ferroelektrisches Flüssigkristall enthaltenden optischen Schalterelementes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244804A2 (de) * 1986-05-09 1987-11-11 Hitachi, Ltd. Verfahren zur Multiplexsteuerung eines ein ferroelektrisches Flüssigkristall enthaltenden optischen Schalterelementes

Also Published As

Publication number Publication date
EP0344753B1 (de) 1995-08-02
JPH01304430A (ja) 1989-12-08
DE68923654D1 (de) 1995-09-07
DE68923654T2 (de) 1996-01-18
EP0344753A2 (de) 1989-12-06
JPH0833537B2 (ja) 1996-03-29

Similar Documents

Publication Publication Date Title
EP0366117A3 (de) Flüssigkristall-Vorrichtung
AU2507488A (en) Liquid crystal apparatus
ATE148954T1 (de) Flüssigkristall-anzeigevorrichtung und verfahren zu ihrer ansteuerung
EP0197743A3 (de) Flüssigkristall-Zellenadressierung
EP0767449A3 (de) Verfahren und Schaltung zur Steuerung einer Flüssigkristallanzeigetafel mit aktiver Matrix Regelung der Durchschnittssteuerspannung
WO2003075086A3 (en) Electrophoretic display device and driving means for restoring the brightness level
CA2137723A1 (en) Display Apparatus
KR940024652A (ko) 액정 장치의 구동 방법
ATE140098T1 (de) Flüssigkristallanzeigevorrichtung
CA2057965A1 (en) Method of driving a matrix-type liquid crystal display device
EP0306203A3 (de) Verfahren zum Steuern einer ferroelektrischen Flüssigkristallanzeige
EP0355693A3 (de) Anzeigevorrichtung
EP0350934A3 (de) Flüssigkristallanzeigegerät
CA2038687A1 (en) Method and apparatus for driving active matrix liquid crystal device
EP0469531A3 (en) Liquid crystal apparatus and driving method therefor
EP0373786A3 (de) Anzeigegerät
EP0171177A3 (de) Ansteuerung von smektischen Flüssigkristallanzeigetafeln
ES2074493T3 (es) Aparato de cristal liquido.
ATE135129T1 (de) Verfahren zur adressierung jeder spalte eines rastergebildeten flüssigkristallbildschirms
EP0344753A3 (de) Flüssigkristallgerät und Verfahren zum Steuern dieses Gerätes
TW325530B (en) Liquid crystal display device and method for driving display device
TW334552B (en) Method for driving of nematic liquid crystal
KR910008634A (ko) 표시제어장치
EP0221613B1 (de) Anzeigegerät mit Niederspannungssteuerung
EP0864911A3 (de) Elektrooptische Einrichtung mit einem ferroelektrischen Flüssigkristall und Methode zu deren Herstellung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19890531

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT NL

17Q First examination report despatched

Effective date: 19930414

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT NL

REF Corresponds to:

Ref document number: 68923654

Country of ref document: DE

Date of ref document: 19950907

ET Fr: translation filed
ITF It: translation for a ep patent filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20030508

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20030528

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20030530

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20030612

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20041201

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20041201

GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050131

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20041201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050531