EP0149381A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method for driving a gas discharge display panel
Assignee: Fujitsu Ltd
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Filing: 1984-12-06
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Granted: —
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Expires: 2004-12-06
Abstract
Abstract In a gas discharge display panel, first (y',, y' 2 ,.., y' m ) and second (y" 1 , y" 2 ,..., y" m ) driving electrodes are capacitively coupled to each display electrode (5a, 5b,..., 5m x m') on at least one of two substrates. The first and second driving electrodes of the display electrodes are formed by a first group of driving electrodes and a second group of driving electrodes by connecting the first and second driving electrodes as a plurality of groups. Specified display electrodes are controlled by selecting the first and second electrodes at the same time. The method for driving the gas discharge display panel comprising the steps of : discharging all dots in one selected line of the discharge electrodes which are to be written ; and erasing selected dots which are not to be written.
Inventors
- 👤 Akira Otsuka
- 👤 Kenji Horio
- 👤 Tsuyoshi Tanioka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 15:28
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/28; G09G3/288; G09G3/297; G09G3/291; G09G3/293; G09G3/2935; G09G2310/00; G09G2310/02; G09G2310/0202; G09G2310/0218
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
In a gas discharge display panel in which a first and a second driving electodes are capacitively coupled to each display electrode on at least one of two substrates, said first and second driving electrodes of said display electrodes are formed by a first group of driving electrodes and a second group of driving electrodes by connecting said first and said second driving electrodes as a plurality of groups, and specified display electrodes are controlled by selecting said first and said second electrodes at a same time, the method for driving said gas discharge display panel comprising the steps of: a first step for discharging all dots in selected one line of the discharge electrodes which are to be written; and a second step for erasing dots which are not to be written.
Claim 2
Dependent Claim
133 words
In a gas discharge display panel in which a first and a second driving electodes are capacitively coupled to each display electrode on at least one of two substrates, said first and second driving electrodes of said display electrodes are formed by a first group of driving electrodes and a second group of driving electrodes by connecting said first and said second driving electrodes as a plurality of groups, and specified display electrodes are controlled by selecting said first and said second electrodes at a same time, the method for driving said gas discharge display panel comprising the steps of: a first step for discharging all dots in selected one line of the discharge electrodes which are to be written; and a second step for erasing dots which are not to be written.
Claim 3
Dependent Claim
96 words
The method according to claim 1, wherein said first step for discharging all dots in one line comprises steps of applying a write pulse to all display electrodes on a first substrate, selectively applying a sustain voltage pulse to said first and second driving electrodes multiplexed by the capacitive coupling, and said second step for erasing dots comprises steps of applying an erase data signal pulse to the display electrode on said first substrate, and applying the same voltage pulse as in said first step to said first and second driving electrodes on said second substrate.
Claim 4
Dependent Claim
60 words
The method according to claim 1, wherein said second step comprises steps of applying an erase pulse to one line after lighting all of said lines connected as a matrix, and said erasing operation being cancelled by applying voltage which is smaller than one half of a sustain voltage to opposed electrodes at the same timing as said erase pulse.
Claim 5
Dependent Claim
34 words
The method according to claim 1, wherein a circuit for applying the voltage pulse by which said erase operation is cancelled is floated, and said circuit is formed by a low voltage integrated circuit.
Claim 6
Dependent Claim
47 words
The method according to claim 1, wherein positive·negative sustain pulses and erase pulse·write pulses are applied to the display electrodes multiplexed by the capacitive coupling, and a circuit for applying the pulse by which the erase operation is cancelled is formed by said low voltage integrated circuit.
References Cited (Backward Citations)
No citation records indexed.
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