Patent ID: 6337722
Filing Date: 2002-01-08
Classification: G02F

Abstract:
A liquid crystal display panel having electrostatic discharge preventing circuitry, comprising:a plurality of gate lines; a plurality of data lines, the gate lines and the data lines define an array of pixels; a plurality of switching devices respectively connected to the pixels, the switching devices connected to the gate lines and data lines; a common line; and a plurality of electrostatic discharge prevention circuits each coupled to the common line and one of the gate and lines, each electrostatic discharge prevention circuit having at least one switching device and at least one control terminal connected to the at least one switching device, wherein the at least one switching device operates in response to a signal from the control terminal, wherein the at least one switching device comprises a transistor having a source electrode, a drain electrode and a gate electrode, one of the source and drain electrodes being coupled to one of the gate and data lines, the other of the source and drain electrodes being coupled to the common line, and the gate electrode being coupled to the control terminal, and wherein the electrostatic discharge prevention circuit further comprises: a first resistance unit coupled to the source and the gate electrodes; and a second resistance unit coupled to the drain and the gate electrodes.