US PATENT SUBCLASS 349 / 42
.~.~.~ Transistor


Current as of: June, 1999
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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

19  DF  PARTICULAR EXCITATION OF LIQUID CRYSTAL {6}
33  DF  .~ Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) {8}
41  DF  .~.~ With particular switching device {2}
42.~.~.~ Transistor {2}
43  DF  .~.~.~.~> Structure of transistor {3}
48  DF  .~.~.~.~> Plural nonredundant transistors per pixel


DEFINITION

Classification: 349/42

Transistor:

(under subclass 41) Subject matter wherein the switching device comprises a three-terminal semiconductor device.