FR2749431B1 - Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ - Google Patents

Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ

Info

Publication number
FR2749431B1
FR2749431B1 FR9606945A FR9606945A FR2749431B1 FR 2749431 B1 FR2749431 B1 FR 2749431B1 FR 9606945 A FR9606945 A FR 9606945A FR 9606945 A FR9606945 A FR 9606945A FR 2749431 B1 FR2749431 B1 FR 2749431B1
Authority
FR
France
Prior art keywords
brightness
adjusting
field emission
matrix screen
emission matrix
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.)
Expired - Fee Related
Application number
FR9606945A
Other languages
English (en)
Other versions
FR2749431A1 (fr
Inventor
Bernard Bancal
Francois Darbois
Jean Francois Peyre
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.)
Pixtech SA
Original Assignee
Pixtech SA
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 Pixtech SA filed Critical Pixtech SA
Priority to FR9606945A priority Critical patent/FR2749431B1/fr
Publication of FR2749431A1 publication Critical patent/FR2749431A1/fr
Application granted granted Critical
Publication of FR2749431B1 publication Critical patent/FR2749431B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G09G3/22—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
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2329/00—Electron emission display panels, e.g. field emission display 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)
FR9606945A 1996-05-31 1996-05-31 Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ Expired - Fee Related FR2749431B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9606945A FR2749431B1 (fr) 1996-05-31 1996-05-31 Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9606945A FR2749431B1 (fr) 1996-05-31 1996-05-31 Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ

Publications (2)

Publication Number Publication Date
FR2749431A1 FR2749431A1 (fr) 1997-12-05
FR2749431B1 true FR2749431B1 (fr) 1998-08-14

Family

ID=9492749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9606945A Expired - Fee Related FR2749431B1 (fr) 1996-05-31 1996-05-31 Reglage de la luminosite d'ensemble d'un ecran matriciel a emission de champ

Country Status (1)

Country Link
FR (1) FR2749431B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6069598A (en) * 1997-08-29 2000-05-30 Candescent Technologies Corporation Circuit and method for controlling the brightness of an FED device in response to a light sensor
US6069597A (en) * 1997-08-29 2000-05-30 Candescent Technologies Corporation Circuit and method for controlling the brightness of an FED device
WO1999021159A1 (fr) * 1997-10-17 1999-04-29 Motorola Inc. Procede permettant de commander la luminosite d'un ecran plat
FR2786597B1 (fr) * 1998-11-27 2001-02-09 Pixtech Sa Adressage numerique d'un ecran plat de visualisation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707638A (en) * 1987-01-27 1987-11-17 Mitsubishi Denki Kabushiki Kaisha Luminance adjusting system for a flat matrix type cathode-ray tube
FR2627308B1 (fr) * 1988-02-15 1990-06-01 Commissariat Energie Atomique Procede de commande d'un ecran d'affichage matriciel permettant d'ajuster son contraste et dispositif pour la mise en oeuvre de ce procede
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
JPH088674B2 (ja) * 1989-07-11 1996-01-29 シャープ株式会社 表示装置
JP2642204B2 (ja) * 1989-12-14 1997-08-20 シャープ株式会社 液晶表示装置の駆動回路
US5103144A (en) * 1990-10-01 1992-04-07 Raytheon Company Brightness control for flat panel display
DE69226723T2 (de) * 1991-05-21 1999-04-15 Sharp Kk Verfahren und Einrichtung zum Steuern einer Anzeigeeinrichtung

Also Published As

Publication number Publication date
FR2749431A1 (fr) 1997-12-05

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Legal Events

Date Code Title Description
GC Lien (pledge) constituted
ST Notification of lapse