US PATENT SUBCLASS 428 / 1.31
.~.~ Polarizer or dye containing viewing layer

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  DF  .~ With viewing layer of specified composition {3}
1.31.~.~ Polarizer or dye containing viewing layer

DEFINITION

Classification: 428/1.31

Polarizer or dye containing viewing layer:

(under subclass 1.3) Subject matter wherein the viewing layer includes a chemically identified material polarizer, a material causing light ray or other radiation to vibrate in a pre-defined pattern, or a dye, a material imparting color or to.