US PATENT SUBCLASS 428 / 1.2
.~ Alignment layer of specified composition

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

1.1  DF  LIQUID CRYSTAL OPTICAL DISPLAY HAVING LAYER OF SPECIFIED COMPOSITION {5}
1.2.~ Alignment layer of specified composition {4}
1.21  DF  .~.~> Alignment layer is inorganic
1.23  DF  .~.~> Silicon compound (i.e., organosilicon)
1.25  DF  .~.~> Polyamide
1.26  DF  .~.~> Polyimide {2}

DEFINITION

Classification: 428/1.2

Alignment layer of specified composition:

(under subclass 1.1) Subject matter wherein a chemical composition has been stipulated for a layer that acts to selectively orient liquid crystal molecules.