Driving method of gas-discharge display panel
First Claim
1. A method of driving a gas-discharge panel having (i) at least one reset electrode, (ii) first and second electrode groups for forming N electrode pairs, the electrodes of said first electrode group being wired in a p-phase connection and the electrodes of said second electrode group being wired in an m-phase connection, p being an integer of 3≦
- p≦
N and m being a positive integer not greater then p, and (iii) current limiting resistor means connected to one of said first and second electrode groups, comprising the steps of;
(a) applying at least one reset pulse voltage having a maximum pulse width of (m-1)T/N to said reset electrode at the beginning of each frame of period T, the reset pulse voltage having a predetermined value with respect to a reference value;
(b) successively applying cathode pulse voltages with their pulse widths of (p-1)T/N to the respective p-phase electrode connections of said first electrode group with a phase shift of T/N to each other, the cathode pulse voltages having a value smaller than the reference value; and
(c) successively applying anode pulse voltages with their maximum pulse width of (m-1)T/N to the respective m-phase electrode connections of said second electrode group with a phase shift of T/N to each other, the anode pulse voltages having a value larger than the reference value, said anode and cathode pulse voltage values differing from said reference value sufficiently to support discharge,whereby a reset discharge generated by said reset pulse voltage and the first one of said cathode and anode pulse voltages applied for each frame is successively transferred by means of said cathode and anode pulse voltages to display desired information.
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Abstract
A method of driving a gas-discharge panel having at least one reset electrode and cathode and anode groups for forming N electrode pairs. The cathodes are p-phase connected (p≧3) while the anodes are m-phase connected (m≦p). The reset electrode is applied with a reset pulse voltage having a period of T of one frame. Cathode pulse voltages having their pulse widths of (p-1)T/N are successively applied to the cathodes for respective p phases with a phase shift of T/N to each other while anode pulse voltages having their pulse widths of at maximum (m-1)T/N are successively applied to the anodes for respective m phases with a phase shift of T/N to each other. A reset discharge which is generated by the reset pulse voltage and the first one of the cathode pulse voltages and anode pulse voltages applied for each frame and having a value cooperating with the reset pulse voltage value is successively transferred by means of the cathode and anode voltages to display desired information. As a result, the display luminance can be improved (p-1) times without impairing the self-scanning function.
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Citations
11 Claims
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1. A method of driving a gas-discharge panel having (i) at least one reset electrode, (ii) first and second electrode groups for forming N electrode pairs, the electrodes of said first electrode group being wired in a p-phase connection and the electrodes of said second electrode group being wired in an m-phase connection, p being an integer of 3≦
- p≦
N and m being a positive integer not greater then p, and (iii) current limiting resistor means connected to one of said first and second electrode groups, comprising the steps of;(a) applying at least one reset pulse voltage having a maximum pulse width of (m-1)T/N to said reset electrode at the beginning of each frame of period T, the reset pulse voltage having a predetermined value with respect to a reference value; (b) successively applying cathode pulse voltages with their pulse widths of (p-1)T/N to the respective p-phase electrode connections of said first electrode group with a phase shift of T/N to each other, the cathode pulse voltages having a value smaller than the reference value; and (c) successively applying anode pulse voltages with their maximum pulse width of (m-1)T/N to the respective m-phase electrode connections of said second electrode group with a phase shift of T/N to each other, the anode pulse voltages having a value larger than the reference value, said anode and cathode pulse voltage values differing from said reference value sufficiently to support discharge, whereby a reset discharge generated by said reset pulse voltage and the first one of said cathode and anode pulse voltages applied for each frame is successively transferred by means of said cathode and anode pulse voltages to display desired information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- p≦
Specification