IT1240381B - Circuito generatore di segnali di pilotaggio per display - Google Patents

Circuito generatore di segnali di pilotaggio per display

Info

Publication number
IT1240381B
IT1240381B IT67501A IT6750190A IT1240381B IT 1240381 B IT1240381 B IT 1240381B IT 67501 A IT67501 A IT 67501A IT 6750190 A IT6750190 A IT 6750190A IT 1240381 B IT1240381 B IT 1240381B
Authority
IT
Italy
Prior art keywords
display
signal circuit
piloting signal
piloting
circuit
Prior art date
Application number
IT67501A
Other languages
English (en)
Other versions
IT9067501A1 (it
IT9067501A0 (it
Inventor
Fabio Zuliani
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 IT67501A priority Critical patent/IT1240381B/it
Publication of IT9067501A0 publication Critical patent/IT9067501A0/it
Priority to ES91111067T priority patent/ES2081394T3/es
Priority to DE69113879T priority patent/DE69113879T2/de
Priority to EP91111067A priority patent/EP0464807B1/en
Publication of IT9067501A1 publication Critical patent/IT9067501A1/it
Application granted granted Critical
Publication of IT1240381B publication Critical patent/IT1240381B/it

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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, 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
    • G09G3/3622—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Selective Calling Equipment (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IT67501A 1990-07-06 1990-07-06 Circuito generatore di segnali di pilotaggio per display IT1240381B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67501A IT1240381B (it) 1990-07-06 1990-07-06 Circuito generatore di segnali di pilotaggio per display
ES91111067T ES2081394T3 (es) 1990-07-06 1991-07-04 Circuito generador de señales excitadoras para visualizacion.
DE69113879T DE69113879T2 (de) 1990-07-06 1991-07-04 Schaltungsanordnung zur Erzeugung von Anzeige-Treibersignalen.
EP91111067A EP0464807B1 (en) 1990-07-06 1991-07-04 Circuit generating driving signals for display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67501A IT1240381B (it) 1990-07-06 1990-07-06 Circuito generatore di segnali di pilotaggio per display

Publications (3)

Publication Number Publication Date
IT9067501A0 IT9067501A0 (it) 1990-07-06
IT9067501A1 IT9067501A1 (it) 1992-01-06
IT1240381B true IT1240381B (it) 1993-12-10

Family

ID=11302951

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67501A IT1240381B (it) 1990-07-06 1990-07-06 Circuito generatore di segnali di pilotaggio per display

Country Status (4)

Country Link
EP (1) EP0464807B1 (it)
DE (1) DE69113879T2 (it)
ES (1) ES2081394T3 (it)
IT (1) IT1240381B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313223A (en) * 1996-05-17 1997-11-19 Sharp Kk Liquid crystal device
GB2313224A (en) * 1996-05-17 1997-11-19 Sharp Kk Ferroelectric liquid crystal device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414544A (en) * 1981-06-12 1983-11-08 Interstate Electronics Corp. Constant data rate brightness control for an AC plasma panel
US4622549A (en) * 1983-06-29 1986-11-11 International Business Machines Corporation Repetition rate compensation and mixing in a plasma panel
US4819186A (en) * 1987-01-30 1989-04-04 Casio Computer Co., Ltd. Waveform generating apparatus for driving liquid crystal device
GB2207272B (en) * 1987-07-18 1991-08-14 Stc Plc Addressing liquid crystal cells
JPH0310217A (ja) * 1989-06-07 1991-01-17 Seiko Epson Corp 液晶装置の駆動方法
JPH0331817A (ja) * 1989-06-29 1991-02-12 Seiko Epson Corp 液晶装置の駆動方法

Also Published As

Publication number Publication date
IT9067501A1 (it) 1992-01-06
DE69113879D1 (de) 1995-11-23
EP0464807A2 (en) 1992-01-08
DE69113879T2 (de) 1996-04-11
EP0464807B1 (en) 1995-10-18
IT9067501A0 (it) 1990-07-06
ES2081394T3 (es) 1996-03-01
EP0464807A3 (en) 1992-07-01

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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