Patent ID: 6294796
Filing Date: 2001-09-25
Classification: G02F,H01L

Abstract:
A liquid crystal device wherein data signals are supplied to liquid crystal cells through a plurality of field effect transistors arranged in a plurality of picture elements, each of said field effect transistors comprising:a channel region comprising a thin film of silicon;a gate insulating film in contact with the channel region; anda gate electrode in contact with the gate insulating film and opposing the channel region, wherein a leakage current of the field effect transistor in the OFF state is dependent on the thickness of the channel region, and the channel region has a thickness less than 2500 A so that when the field effect transistor is in the OFF state, the leakage current flowing through the field effect transistor is less than 1/10 of the leakage current flowing through a corresponding liquid crystal cell based on a resistance of the liquid crystal cells and an area of the picture elements.