| 摘要 |
<p>A liquid crystal device for an electro-optical device is provided, the liquid crystal device including a plurality of liquid crystal cells wherein data signals are supplied to the liquid crystal cells through a plurality of field effect transistors arranged in a plurality of picture elements. The liquid crystal device comprises a substrate (71, 86) having a pixel region and at least one driver region; driving means (161) formed in the at least one driver region for driving ssaid field effect transistors, the driving means (161) comprising at least a shift register (163) having CMOS thin film transistors and sample and hold circuits (166), the CMOS thin film transistors including first conductive type thin film transistors and second conductive type thin film transistors, and the sample and hold circuits (166) including at least first conductive type thin film transistors, the gate length of the first conductive type thin film transistors of CMOS thin film transistors being greater than the gate length of the first conductive type thin film transistors of the sample and hold circuits.</p> |
