US PATENT SUBCLASS 428 / 1.3
.~ With viewing 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}
1.3.~ With viewing layer of specified composition {3}
1.31  DF  .~.~> Polarizer or dye containing viewing layer
1.32  DF  .~.~> Silicon compound (e.g., glass, organosilicon, etc.)
1.33  DF  .~.~> Ester (e.g., polycarbonate, polyacrylate, etc.)

DEFINITION

Classification: 428/1.3

With viewing layer of specified composition:

(under subclass 1.1) Subject matter further including a

chemical identified layer for looking through.