EP0992972A3 - Methode de commande de l'intensité lumineuse d'une cellule d'un écran d'affichage plat - Google Patents

Methode de commande de l'intensité lumineuse d'une cellule d'un écran d'affichage plat Download PDF

Info

Publication number
EP0992972A3
EP0992972A3 EP99119311A EP99119311A EP0992972A3 EP 0992972 A3 EP0992972 A3 EP 0992972A3 EP 99119311 A EP99119311 A EP 99119311A EP 99119311 A EP99119311 A EP 99119311A EP 0992972 A3 EP0992972 A3 EP 0992972A3
Authority
EP
European Patent Office
Prior art keywords
cell
adjusting
light intensity
flat panel
panel display
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.)
Withdrawn
Application number
EP99119311A
Other languages
German (de)
English (en)
Other versions
EP0992972A2 (fr
Inventor
Roland Dipl.-Ing. Bohl
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Publication of EP0992972A2 publication Critical patent/EP0992972A2/fr
Publication of EP0992972A3 publication Critical patent/EP0992972A3/fr
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • G09G2320/0238—Improving the black level
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • 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
    • G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Gas Discharge Display Tubes (AREA)
  • Television Receiver Circuits (AREA)
EP99119311A 1998-10-01 1999-09-29 Methode de commande de l'intensité lumineuse d'une cellule d'un écran d'affichage plat Withdrawn EP0992972A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998145187 DE19845187A1 (de) 1998-10-01 1998-10-01 Verfahren zur Einstellung der Helligkeit einer Zelle eines Flachdisplays
DE19845187 1998-10-01

Publications (2)

Publication Number Publication Date
EP0992972A2 EP0992972A2 (fr) 2000-04-12
EP0992972A3 true EP0992972A3 (fr) 2000-10-25

Family

ID=7883030

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99119311A Withdrawn EP0992972A3 (fr) 1998-10-01 1999-09-29 Methode de commande de l'intensité lumineuse d'une cellule d'un écran d'affichage plat

Country Status (2)

Country Link
EP (1) EP0992972A3 (fr)
DE (1) DE19845187A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563479B2 (en) * 2000-12-22 2003-05-13 Visteon Global Technologies, Inc. Variable resolution control system and method for a display device
US7456829B2 (en) * 2004-12-03 2008-11-25 Hewlett-Packard Development Company, L.P. Methods and systems to control electronic display brightness

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05100652A (ja) * 1991-10-04 1993-04-23 Kokusai Electric Co Ltd 表示器の輝度特性制御装置
EP0614321A2 (fr) * 1993-03-02 1994-09-07 Fujitsu General Limited Dispositif d'affichage couleur avec panneau d'affichage à plasma
US5754150A (en) * 1995-02-17 1998-05-19 Sharp Kabushiki Kaisha Liquid crystal luminance adjusting apparatus
US5757343A (en) * 1995-04-14 1998-05-26 Pioneer Electronic Corporation Apparatus allowing continuous adjustment of luminance of a plasma display panel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1534777A (fr) * 1967-06-01 1968-08-02 Thomson Houston Comp Francaise Perfectionnements aux circuits de correction de gamma
US4589022A (en) * 1983-11-28 1986-05-13 General Electric Company Brightness control system for CRT video display
JPH0437263A (ja) * 1990-05-31 1992-02-07 Matsushita Electric Ind Co Ltd 階調補正装置
DE4217594A1 (de) * 1992-05-27 1993-12-02 Siemens Nixdorf Inf Syst Einrichtung zur Helligkeits- und/oder Kontrastregelung von Bildschirmgeräten
US6362835B1 (en) * 1993-11-23 2002-03-26 Texas Instruments Incorporated Brightness and contrast control for a digital pulse-width modulated display system
DE19509035B4 (de) * 1994-03-23 2007-06-28 Carl Zeiss Optronics Gmbh Verfahren zum Steuern der Helligkeit einer Bildschirmdarstellung und Gerät, insbesondere Wärmebildgerät, damit
DE19720876A1 (de) * 1997-05-17 1998-11-19 Grundig Ag Verfahren und Vorrichtung zur Kontrasteinstellung bei impulsbreitengesteuerten Bildanzeigen
DE19721984C2 (de) * 1997-05-26 1999-10-07 Siemens Ag Monitor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05100652A (ja) * 1991-10-04 1993-04-23 Kokusai Electric Co Ltd 表示器の輝度特性制御装置
EP0614321A2 (fr) * 1993-03-02 1994-09-07 Fujitsu General Limited Dispositif d'affichage couleur avec panneau d'affichage à plasma
US5754150A (en) * 1995-02-17 1998-05-19 Sharp Kabushiki Kaisha Liquid crystal luminance adjusting apparatus
US5757343A (en) * 1995-04-14 1998-05-26 Pioneer Electronic Corporation Apparatus allowing continuous adjustment of luminance of a plasma display panel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 451 (P - 1595) 18 August 1993 (1993-08-18) *

Also Published As

Publication number Publication date
EP0992972A2 (fr) 2000-04-12
DE19845187A1 (de) 2000-04-13

Similar Documents

Publication Publication Date Title
DE69006272T2 (de) Verfahren und Vorrichtung zum Dimmen einer Leuchtstofflampe in einer LCD-Anzeigen-Rückbeleuchtung.
DE3623514C2 (fr)
EP0989787A3 (fr) Procédé et circuit de commande de l' intensité lumineuse et du comportement de lampes à décharge
DE69716172T2 (de) EL Beleuchtungsanordnung
DE202011000857U1 (de) Display-Hintergrundbeleuchtungsanordnung zur Erhöhung der Farbsättigungs-, Helligkeits- und Weißabgleichsleistung
DE112014001132B4 (de) Farbsteuerungsverfahren
DE102004023186A1 (de) Verfahren zum Einstellen eines Farbortes eines von einer LED-Lichtquelle emittierten Lichts
EP0992972A3 (fr) Methode de commande de l'intensité lumineuse d'une cellule d'un écran d'affichage plat
EP2308560B1 (fr) Dispositif de luminothérapie
DE202010013087U1 (de) Anzeige
DE59206189D1 (de) Verfahren und einrichtung zur helligkeits- und/oder farbtemperaturregelung für ein mikroskopisches beleuchtungssystem
DE10337357A1 (de) Verfahren und Vorrichtung zur Beleuchtungssteuerung für eine Kamera
EP1016623A3 (fr) Procédé de préparation d'acides phosphiniques
WO2017005237A1 (fr) Dispositif de simulation de la lumière du jour
EP2375870B1 (fr) Procédé et système de commande d'éclairage
EP2408270A1 (fr) Luminaire controllé par capteur
DE10356721B4 (de) Leuchtbild mit einem Tag- Nacht-Effekt
DE2456041A1 (de) Elektrolytisches verfahren und vorrichtung zum veraendern der oberflaecheneigenschaften von glas
DE19548261A1 (de) Verfahren zur Herstellung einer Bronchantitpatina auf Kupferhalbzeug
DE2411388A1 (de) Verfahren und vorrichtung zum fotometrischen sortieren von stueckigen mineralien
DE102024122381A1 (de) Verfahren zur Zustandsanzeige eines Elektrogeräts, Anzeigevorrichtung und Elektrogerät
DE69933267T2 (de) Vorrichtung zur Funktionskontrolle wenigstens einer Funktionseinheit eines Kraftfahrzeugs
DE3000400A1 (de) Verfahren und vorrichtung zum betreiben von leuchtstofflampen, hochdruckdampflampen u.dgl.
DE20012928U1 (de) Raster für Leuchten
DE10032201B4 (de) Verfahren zum Betreiben einer frei beschreibbaren, blendfreien und energiesparenden Lichtzeichenanlage im Verkehrsbereich und Gerätesystem zu dessen Realisierung

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20001014

17Q First examination report despatched

Effective date: 20010222

AKX Designation fees paid

Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 20020126