Appeal No. 1998-2045
Application 08/402,374
The disclosed invention pertains to a liquid crystal
display device 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 invention is
primarily directed to details of the field effect transistors.
Representative claim 23 is reproduced as follows:
23. 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; and
a 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 less than 10 amps so that the leakage-11
current flowing through the field effect transistor is less
than 1/10 of a 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.
2
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