Patent ID: 7586477
Filing Date: 2009-09-08
Classification: G09G

Abstract:
1. An active matrix liquid crystal display apparatus, comprising: a plurality of pixels each including pixel switching transistors having a gate electrode, a first electrode, and a second electrode connected to a pixel electrode; a plurality of data signal lines each connected to the first electrode associated with any one of the pixel switching transistors; a plurality of gate signal lines each connected to the gate electrode associated with any one of the pixel switching transistors; a low level gate voltage generator that supplies a first gate voltage to a gate driver; and a high level gate voltage generator that supplies a second gate voltage to the gate driver, the gate driver including: wherein the high level gate voltage generator reduces the second gate voltage received by the level shifter to a voltage level substantially at a threshold voltage level of the one of the pixel switching transistors but enough to maintain an on-state of the pixel switching transistor until the control pulse supplied to the level shifter has the first logic level and the level shifter outputs the first gate voltage that turns off the one of the pixel switching transistors.