EP0747875B1 - Steuerverfahren für eine flache Anzeigetafel - Google Patents

Steuerverfahren für eine flache Anzeigetafel

Info

Publication number
EP0747875B1
EP0747875B1 EP96410067A EP96410067A EP0747875B1 EP 0747875 B1 EP0747875 B1 EP 0747875B1 EP 96410067 A EP96410067 A EP 96410067A EP 96410067 A EP96410067 A EP 96410067A EP 0747875 B1 EP0747875 B1 EP 0747875B1
Authority
EP
European Patent Office
Prior art keywords
anode
screen
color
biased
during
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 - Lifetime
Application number
EP96410067A
Other languages
English (en)
French (fr)
Other versions
EP0747875A1 (de
Inventor
Bernard Bancal
Axel Jaeger
Raynald Thevenet
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0747875A1 publication Critical patent/EP0747875A1/de
Application granted granted Critical
Publication of EP0747875B1 publication Critical patent/EP0747875B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0235—Field-sequential colour display

Definitions

  • Another object of the present invention is to provide such a method which also solves breakdown problems in color screens or monochrome screens.
  • the screen is a microtip color screen
  • each anode is divided into at least two separately addressable portions
  • the regeneration phases are performed on a first portion while an image is in progress of formation on another portion and, during a regeneration phase, a first portion of anode is low potential and the microtips and gates facing are polarized in an emission state.
  • said regeneration phase is interposed between each frame.

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)

Claims (7)

  1. Verfahren zur Steuerung eines Kathodolumineszenz- Bildschirms, welcher Anoden (9), Kathoden (2) und Gitter bzw. Gates (3) umfasst, dadurch gekennzeichnet, dass es zwischen Bilderzeugungsphasen Regenerationsphasen (Td) vorsieht, während welchen sich wenigstens ein Teil der Anoden auf niedrigem Potential befindet, derart dass sie keine Elektroden anziehen, und die entsprechenden Kathoden in einen Elektronenemissions-Zustand vorgespannt sind
  2. Verfahren nach Anspruch 1, bei welchem während der Regenerationsphasen sämtliche Anoden sich auf dem niedrigen Potential befinden und die Gitter bzw Gates in den genannten Elektronenemissions-Zustand vorgespannt sind.
  3. Verfahren nach Anspruch 1, bei welchem der Bildschirm einer mit Mikrospitzen (Mikrospitzen-Bildschirm) ist, dadurch gekennzeichnet, dass jede Anode jeweils in zwei gesondert adressierbare Teile unterteilt ist, dass die Regenerationsphasen jeweils an einem ersten Teil ausgeführt werden, während sich ein Bild an einem anderen Teil in Aufbau befindet, und dass während einer Regenerationsphase der erste Anodenteil sich auf dem genannten niedrigen Potential befindet und die Mikrospitzen und gegenüberstehenden Gitter bzw. Gates in den genannten Emissionszustand vorgespannt sind.
  4. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die genannte Regenerationsphase jeweils zwischen aufeinanderfolgende Einzel- bzw. Rasterteilbilder der Bilderzeugung zwischengeschaltet ist.
  5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass während der genannten Regenerationsphase die Gitter-bzw. Gatezeilen aufeinanderfolgend-sequentiell vorgespannt werden, während die Kathodenspalten in den genannten Emissionszustand vorgespannt sind
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die sequentielle Vorspannung in Gruppen von Gitter-bzw Gatezeilen erfolgt.
  7. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die Gitter bzw Gates aufeinanderfolgend-sequentiell und in Überlappung vorgespannt werden.
EP96410067A 1995-06-08 1996-06-04 Steuerverfahren für eine flache Anzeigetafel Expired - Lifetime EP0747875B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9507017 1995-06-08
FR9507017A FR2735266B1 (fr) 1995-06-08 1995-06-08 Procede de commande d'ecran plat de visualisation

Publications (2)

Publication Number Publication Date
EP0747875A1 EP0747875A1 (de) 1996-12-11
EP0747875B1 true EP0747875B1 (de) 2006-10-04

Family

ID=9479937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96410067A Expired - Lifetime EP0747875B1 (de) 1995-06-08 1996-06-04 Steuerverfahren für eine flache Anzeigetafel

Country Status (5)

Country Link
US (1) US5872551A (de)
EP (1) EP0747875B1 (de)
JP (1) JP3985279B2 (de)
DE (1) DE69636587T2 (de)
FR (1) FR2735266B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621475B1 (en) * 1996-02-23 2003-09-16 Canon Kabushiki Kaisha Electron generating apparatus, image forming apparatus, method of manufacturing the same and method of adjusting characteristics thereof
JP2000221936A (ja) * 1999-01-29 2000-08-11 Futaba Corp 電界放出型発光素子の駆動装置
US6380914B1 (en) * 1999-08-02 2002-04-30 Motorola, Inc. Method for improving life of a field emission display
FR2800510B1 (fr) 1999-10-28 2001-11-23 Commissariat Energie Atomique Procede de commande de structure comportant une source d'electrons a effet de champ
FR2804243B1 (fr) * 2000-01-25 2002-04-12 Pixtech Sa Regeneration d'anodes d'ecran plat de visualisation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52123829A (en) * 1976-04-12 1977-10-18 Sony Corp Color television receiver
US4366504A (en) * 1977-10-07 1982-12-28 Sharp Kabushiki Kaisha Thin-film EL image display panel
JPS57162692U (de) * 1981-04-03 1982-10-13
FR2623013A1 (fr) * 1987-11-06 1989-05-12 Commissariat Energie Atomique Source d'electrons a cathodes emissives a micropointes et dispositif de visualisation par cathodoluminescence excitee par emission de champ,utilisant cette source
US5172108A (en) * 1988-02-15 1992-12-15 Nec Corporation Multilevel image display method and system
JP2656843B2 (ja) * 1990-04-12 1997-09-24 双葉電子工業株式会社 表示装置
US5229691A (en) * 1991-02-25 1993-07-20 Panocorp Display Systems Electronic fluorescent display
US5532712A (en) * 1993-04-13 1996-07-02 Kabushiki Kaisha Komatsu Seisakusho Drive circuit for use with transmissive scattered liquid crystal display device

Also Published As

Publication number Publication date
DE69636587D1 (de) 2006-11-16
US5872551A (en) 1999-02-16
JP3985279B2 (ja) 2007-10-03
JPH0922270A (ja) 1997-01-21
EP0747875A1 (de) 1996-12-11
FR2735266A1 (fr) 1996-12-13
FR2735266B1 (fr) 1997-08-22
DE69636587T2 (de) 2007-07-05

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