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FI884937L - Anordning foer alstrande av ljusstyrkenivaoer hos en displayruta. - Google Patents

Anordning foer alstrande av ljusstyrkenivaoer hos en displayruta. Download PDF

Info

Publication number
FI884937L
FI884937L FI884937A FI884937A FI884937L FI 884937 L FI884937 L FI 884937L FI 884937 A FI884937 A FI 884937A FI 884937 A FI884937 A FI 884937A FI 884937 L FI884937 L FI 884937L
Authority
FI
Finland
Prior art keywords
ljustyrkenivaoer
displayruta
alstrande
hos
anordning foer
Prior art date
Application number
FI884937A
Other languages
English (en)
Other versions
FI87292C (fi
FI884937A0 (fi
FI87292B (fi
Inventor
Jean Dieudonne
Didier Verslype
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of FI884937A0 publication Critical patent/FI884937A0/fi
Publication of FI884937L publication Critical patent/FI884937L/fi
Application granted granted Critical
Publication of FI87292B publication Critical patent/FI87292B/fi
Publication of FI87292C publication Critical patent/FI87292C/fi

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
    • G09G3/2007—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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FI884937A 1987-10-30 1988-10-26 Anordning foer alstrande av ljusstyrkenivaoer hos en displayruta FI87292C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715058A FR2622724B1 (fr) 1987-10-30 1987-10-30 Dispositif de generation de niveaux de brillance sur un ecran de visualisation
FR8715058 1987-10-30

Publications (4)

Publication Number Publication Date
FI884937A0 FI884937A0 (fi) 1988-10-26
FI884937L true FI884937L (fi) 1989-05-01
FI87292B FI87292B (fi) 1992-08-31
FI87292C FI87292C (fi) 1992-12-10

Family

ID=9356337

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884937A FI87292C (fi) 1987-10-30 1988-10-26 Anordning foer alstrande av ljusstyrkenivaoer hos en displayruta

Country Status (5)

Country Link
US (1) US5030947A (fi)
JP (1) JPH01147595A (fi)
DE (1) DE3836789A1 (fi)
FI (1) FI87292C (fi)
FR (1) FR2622724B1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633764B1 (fr) * 1988-06-29 1991-02-15 Commissariat Energie Atomique Procede et dispositif de commande d'un ecran matriciel affichant des niveaux de gris
JP2720607B2 (ja) * 1990-03-02 1998-03-04 株式会社日立製作所 表示装置、階調表示方法及び駆動回路
JP2774680B2 (ja) * 1990-08-21 1998-07-09 キヤノン株式会社 ズームレンズ
US5206633A (en) * 1991-08-19 1993-04-27 International Business Machines Corp. Self calibrating brightness controls for digitally operated liquid crystal display system
US5245326A (en) * 1991-08-19 1993-09-14 International Business Machines Corp. Calibration apparatus for brightness controls of digitally operated liquid crystal display system
US5495287A (en) * 1992-02-26 1996-02-27 Hitachi, Ltd. Multiple-tone display system
FR2691568B1 (fr) * 1992-05-21 1996-12-13 Commissariat Energie Atomique Procede d'affichage de differents niveaux de gris et systeme de mise en óoeuvre de ce procede.
DE4432065A1 (de) * 1994-09-09 1996-03-14 Lueder Ernst Verfahren und Schaltungsanordnung zur Wandlung eines digitalen Datenwortes mit N Bit in einen analogen Spannungswert
JP3418676B2 (ja) * 1998-04-13 2003-06-23 シャープ株式会社 液晶駆動回路
JP4828338B2 (ja) * 2005-09-14 2011-11-30 株式会社リコー 画像処理装置およびプログラム
WO2011065387A1 (en) 2009-11-27 2011-06-03 Canon Kabushiki Kaisha Image display apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020280A (en) * 1973-02-21 1977-04-26 Ryuichi Kaneko Pulse width luminance modulation system for a DC gas discharge display panel
NL7810125A (nl) * 1977-10-07 1979-04-10 Hitachi Ltd Beeldweergavesysteem.
NL7903515A (nl) * 1979-05-04 1980-11-06 Philips Nv Modulatorschakeling voor een matrixweergeefinrichting.
DE3026392C2 (de) * 1980-02-26 1985-08-22 Sharp K.K., Osaka Anzeigevorrichtung mit einem elektrolumineszenten Dünnschichtelement zur Bilddarstellung
GB2109976B (en) * 1981-10-19 1986-06-18 Texas Instruments Ltd Display apparatus
US4661809A (en) * 1982-05-05 1987-04-28 Litton Systems, Inc. Magneto-optic chip with gray-scale capability
DE3379612D1 (en) * 1982-09-21 1989-05-18 Fujitsu Ltd Method of driving a matrix type display
EP0106386A3 (de) * 1982-09-23 1985-03-13 BBC Brown Boveri AG Verfahren zur Ansteuerung einer multiplexierbaren, bistabilen Flüssigkristallanzeige
US4554539A (en) * 1982-11-08 1985-11-19 Rockwell International Corporation Driver circuit for an electroluminescent matrix-addressed display
JPS59181880A (ja) * 1983-03-31 1984-10-16 Toshiba Electric Equip Corp 映像表示装置
US4531160A (en) * 1983-05-03 1985-07-23 Itek Corporation Display processor system and method
US4631576A (en) * 1984-11-13 1986-12-23 Hazeltine Corporation Nonuniformity correction system for color CRT display
US4698685A (en) * 1986-05-28 1987-10-06 Rca Corporation Apparatus and method for correcting CCD pixel nonuniformities

Also Published As

Publication number Publication date
FI87292C (fi) 1992-12-10
FR2622724B1 (fr) 1993-02-12
FR2622724A1 (fr) 1989-05-05
FI884937A0 (fi) 1988-10-26
FI87292B (fi) 1992-08-31
US5030947A (en) 1991-07-09
DE3836789A1 (de) 1989-05-11
JPH01147595A (ja) 1989-06-09

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Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: THOMSON-CSF