IT1257391B - PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE. - Google Patents

PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE.

Info

Publication number
IT1257391B
IT1257391B ITTO920626A ITTO920626A IT1257391B IT 1257391 B IT1257391 B IT 1257391B IT TO920626 A ITTO920626 A IT TO920626A IT TO920626 A ITTO920626 A IT TO920626A IT 1257391 B IT1257391 B IT 1257391B
Authority
IT
Italy
Prior art keywords
display panel
provides
pilot signal
cancellation pulse
ferroelectric crystals
Prior art date
Application number
ITTO920626A
Other languages
Italian (it)
Original Assignee
Seleco Spa
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 Seleco Spa filed Critical Seleco Spa
Priority to ITTO920626A priority Critical patent/IT1257391B/en
Publication of ITTO920626A0 publication Critical patent/ITTO920626A0/en
Priority to EP93202069A priority patent/EP0580226A1/en
Publication of ITTO920626A1 publication Critical patent/ITTO920626A1/en
Application granted granted Critical
Publication of IT1257391B publication Critical patent/IT1257391B/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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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
    • G09G2310/065—Waveforms comprising zero voltage phase or pause
    • 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
    • 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
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes

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)

Abstract

La presente invenzione si riferisce ad un sistema di pilotaggio per un pannello di visualizzazione utilizzante cristalli ferroelettrici; la caratteristica principale dell'invenzione consiste nel fatto che prevede l'impiego di un segnale di pilotaggio che presenta un impulso di cancellazione che precede gli impulsi di scrittura.The present invention refers to a driving system for a display panel using ferroelectric crystals; the main feature of the invention consists in the fact that it provides for the use of a driving signal which has a cancellation pulse which precedes the writing pulses.

ITTO920626A 1992-07-22 1992-07-22 PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE. IT1257391B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO920626A IT1257391B (en) 1992-07-22 1992-07-22 PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE.
EP93202069A EP0580226A1 (en) 1992-07-22 1993-07-16 Pilot system for a display panel utilizing ferroelectric crystals that provides the use of a pilot signal having a cancellation impulse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920626A IT1257391B (en) 1992-07-22 1992-07-22 PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE.

Publications (3)

Publication Number Publication Date
ITTO920626A0 ITTO920626A0 (en) 1992-07-22
ITTO920626A1 ITTO920626A1 (en) 1994-01-22
IT1257391B true IT1257391B (en) 1996-01-15

Family

ID=11410626

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO920626A IT1257391B (en) 1992-07-22 1992-07-22 PILOTING SYSTEM FOR A DISPLAY PANEL USING FERROELECTRIC CRYSTALS THAT PROVIDES THE USE OF A PILOT SIGNAL PRESENTING A CANCELLATION PULSE.

Country Status (2)

Country Link
EP (1) EP0580226A1 (en)
IT (1) IT1257391B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836656A (en) * 1985-12-25 1989-06-06 Canon Kabushiki Kaisha Driving method for optical modulation device
DE3784809T2 (en) * 1986-08-18 1993-07-08 Canon Kk METHOD AND DEVICE FOR CONTROLLING AN OPTICAL MODULATION ARRANGEMENT.
GB8808812D0 (en) * 1988-04-14 1988-05-18 Emi Plc Thorn Display device
GB2220096B (en) * 1988-06-21 1992-06-10 Stc Plc Co-ordinate addressing liquid crystal cells
AU628120B2 (en) * 1989-09-08 1992-09-10 Canon Kabushiki Kaisha Information processing system and apparatus

Also Published As

Publication number Publication date
ITTO920626A1 (en) 1994-01-22
EP0580226A1 (en) 1994-01-26
ITTO920626A0 (en) 1992-07-22

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950728