Patent ID: 7420536
Filing Date: 2008-09-02
Classification: G09G,G11C

Abstract:
1. An active matrix display device comprising: a display panel having gate lines and data lines defining pixels; a gate driver in the display panel to supply output signals to gate lines of the display panel; and a data driver to supply image signals to data lines of the display panel, wherein the gate driver includes a plurality of shift registers to output signals that are sequentially shifted, each of the shift registers including: a first control part for controlling a first node in response to a first clock signal among a plurality of clock signals; a second control part for controlling second and third nodes in response to the start signal and a second clock signal; and an output part to selectively output one of a third clock signal and a first supply voltage in response to voltages of the first, second, and third nodes, whereby second and third supply voltages are changed in different levels in a period for application at the second and third nodes.