KR930003002A - Driving circuit of discharge display panel - Google Patents

Abstract

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Description

Driving circuit of discharge display panel

Since this is an open matter, no full text was included.

2 is a schematic diagram showing a positive electrode driving circuit of a pulse memory type discharge display panel according to the present invention;

3 is a waveform diagram showing waveforms of respective parts of FIG. 2;

Claims (5)

A display anode drive circuit for driving a plurality of display anode lines with a cathode drive signal, and a cathode drive circuit for driving a plurality of cathode lines with a linear driving scan with a cathode drive signal. And a discharge preventing voltage is supplied in the first half of the supply pause period of the discharge holding voltage, and is kept in a high impedance state when no air pressure discharge voltage is supplied when data is written in the second half of the same supply pause period. A driving method of a pulse memory type discharge display panel which causes gas discharge due to a potential difference between a display cathode drive signal and the cathode drive signal, wherein the display cathode drive circuit has a write discharge voltage in the latter half period between the same supply stops. The display anode line without data writing except for the supplied display anode line is A method of driving a pulse memory type discharge display panel, wherein the anti-discharge voltage is continuously supplied during the second half of the same idle period. A display anode drive circuit for driving a plurality of display anode lines with a positive drive signal, and a cathode drive circuit for driving the plurality of cathode lines with a linear driving signal as a cathode drive signal. The discharge sustain voltage is continuously applied at a predetermined cycle. And a discharge prevention voltage is supplied in the first half of the supply pause period of the discharge sustain voltage, and is maintained in a high impedance state when the atmospheric pressure discharge voltage is not supplied when data is written in the second half of the same supply pause period. A driving method of a pulse memory type discharge display panel which causes gas discharge by a potential difference between an anode drive signal and the cathode drive signal, wherein the display cathode drive circuit connects the discharge sustain voltage to each other through each diode. A first switch that is turned on at regular intervals to feed each of the display anode wires However, when the data is written, a plurality of write discharge voltages are supplied to the corresponding display anode lines through each series connection of a diode and a resistor, and when there is no data write, a plurality of switches are switched to a high impedance state (open state). Second switch means; And supplying the discharge preventing voltage to each corresponding display anode line through each series connection of a diode and the resistor only during the first half of the supply stop when the data is written, and when the data is not written, the supply stop. A drive circuit for a pulse memory type discharge display panel, comprising a plurality of third switch means for continuously supplying in the latter half of the period. 3. The driving circuit of a pulse memory type discharge display panel according to claim 2, wherein the value of the resistor is approximately 10? -100k ?. 3. The driving circuit of the pulse memory type discharge display panel according to claim 2, wherein the value of the discharge preventing voltage has a potential difference such that erroneous discharge does not occur in a scan pulse period of the cathode drive signal. 5. The driving circuit of a pulse memory type discharge display panel according to claim 4, wherein a value of the discharge preventing voltage is -10V to -200V. ※ Note: This is to be disclosed by the original application.