KR890702175A - Flat panel display and driving method - Google Patents

Abstract

No content

Description

Flat panel display and driving method

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

1 is a diagram showing an embodiment of a driving method of the present invention, FIG. 2 is a diagram illustrating a light and shade in a conventional LCD, and FIG. 3 is an equivalent circuit diagram of an LCD.

Claims (15)

A flat panel display having a plurality of display pixels provided at intersections of scan electrodes arranged in a matrix and signal electrodes, comprising: a first driving circuit for driving the scan electrodes from one terminal and a second driving circuit from the other terminal; And a driving circuit for the flat panel display. The flat panel display device according to claim 1, further comprising a third drive circuit for driving the signal electrode from one terminal and a fourth drive circuit for driving from the other terminal. The flat panel display of claim 2, wherein the first and second driving circuits perform the same operation control by the same control signal. 3. The first and second drive circuits of claim 2, wherein the same operation control is performed by the same first control signal, and the third and fourth drive circuits are operated by the same second control signal. Flat panel display, characterized in that the control is performed. 4. The first and second drive circuits of claim 3, wherein the first and second drive circuits are provided with means for receiving a signal indicating power supply of the control signal and forcibly outputting the same, level output to both terminals of the scan electrode. Flat panel display, characterized in that. 5. The apparatus of claim 4, wherein the first and second driving circuits receive a signal indicating power supply in the first control signal and forcibly output the same first level to both terminals of the scan electrode. And the third and fourth driving circuits are provided with means for receiving a signal indicative of power-on of the second control signal and forcibly outputting the same second level to both terminals of the signal electrode. Flat panel display, characterized in that. 6. The first driving circuit according to claim 5, wherein the first driving circuit receives a first output terminal connected to one terminal of the scan electrode, receives the control signal, and applies a voltage of a predetermined level to the first output terminal. And a second output circuit connected to the other terminal of the scan electrode, and receiving the control signal and applying the control signal to the second output terminal. And a second transistor for outputting a voltage of a predetermined level. 7. The first driving circuit according to claim 6, wherein the first driving circuit receives a first output terminal connected to one terminal of the scan electrode and the first control signal to receive a first output terminal. A first transistor for outputting a voltage of a predetermined level, wherein the second drive circuit receives a second output terminal connected to the other terminal of the scan electrode and the first control signal; A second transistor configured to output a voltage of the first predetermined level to the second output terminal, wherein the third drive circuit is a third output terminal connected to one terminal of the signal electrode; And a third transistor configured to receive the second control signal and output a second predetermined level of voltage to the third output terminal, wherein the fourth drive circuit is provided on the other side of the signal electrode. Connected to the terminal And a fourth transistor configured to receive a fourth output terminal and the second control signal, and output a voltage having the second predetermined level to the fourth output terminal. The flat panel display of claim 7 or 8, wherein the flat panel display is a liquid crystal display. The flat panel display of claim 9, wherein the scan electrode and the signal electrode are formed of a transparent electrode. The flat panel display of claim 10, wherein the flat panel display is a dot matrix liquid crystal display. A driving method of a flat panel display device in which a plurality of display pixels are provided at intersections of scan electrodes and signal electrodes arranged in a matrix shape, wherein the scan electrodes are the same from separate scan side driving circuits at both terminals of the electrodes. A drive method of a flat panel display device characterized by driving at a level output. 13. The method of driving a flat panel display device according to claim 12, wherein the signal electrodes are driven at outputs of the same level by means of separate signal side driving furnaces from both terminals of the electrodes. The method of claim 12, wherein a predetermined period of time from the power-on of the flat panel display device is to force the drive outputs of the respective scan side driver circuits to the same level, and to make both terminals of the scan electrode the same level. A method of driving a flat panel display, characterized in that. The method of claim 13, wherein a predetermined period of time from the power-on of the flat panel display device is to force the drive outputs of the respective scan side driver circuits to the same level, and the both terminals of the scan electrode are the same first. And driving the outputs of the respective signal side driving circuits to the same level to set the two levels of the terminals of the signal electrodes at the same second level. ※ Note: The disclosure is based on the initial application.