US PATENT SUBCLASS 349 / 110
.~.~.~ Opaque mask or black mask

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

56  DF  PARTICULAR STRUCTURE {7}
84  DF  .~ Having significant detail of cell structure only {17}
104  DF  .~.~ Filter {3}
110.~.~.~ Opaque mask or black mask {1}
111  DF  .~.~.~.~> Conductive mask

DEFINITION

Classification: 349/110

Opaque mask or black mask:

(under subclass 104) Subject matter wherein a structure covering certain portions of the liquid crystal cell totally or substantially blocks all of the light incident thereon.