US PATENT SUBCLASS 349 / 87
.~.~.~ For variable polarizer

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}
86  DF  .~.~ Microencapsulated or polymer dispersed liquid crystal {4}
87.~.~.~ For variable polarizer

DEFINITION

Classification: 349/87

For variable polarizer:

(under subclass 86) Subject matter wherein the encapsulated or dispersed liquid crystal has a polarizing effect without the use of a separate polarizing element and which is controllable by excitation applied to the liquid crystal cell.

(1) Note. Included here are stretched polymer dispersed liquid crystal films. For excluded subject matter see, SEARCH THIS CLASS, SUBCLASS below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86, for microencapsulated or polymer dispersed liquid crystal.