Patent ID: 6756956
Filing Date: 2004-06-29
Classification: G09G

Abstract:
An active matrix type liquid crystal display apparatus comprising:a display pixel unit including a plurality of pixels arranged in a matrix; a data signal driving circuit for outputting a gray-scale voltage control signal to said pixels, the gray-scale voltage control signal having a pulse width in accordance with gray-scale information of display data; a scan signal driving circuit for outputting at least one of an active voltage and inactive voltage to said pixels; and a gray-scale voltage selecting circuit for outputting a gray-scale voltage to said pixels, the gray-scale voltage being increased and decreased in accordance with time; wherein each of said pixels includes a liquid crystal cell and a switching element having a drain terminal, a common terminal and a gate terminal, said gate terminal is connected to said data signal driving circuit through a gate electrode, said common terminal is connected to said scan signal driving circuit through a common electrode, and said drain terminal is connected to said gray-scale voltage selecting circuit through a drain electrode.