US PATENT SUBCLASS 349 / 66
.~.~.~ Louvres


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

56  DF  PARTICULAR STRUCTURE {7}
61  DF  .~ Particular illumination {4}
62  DF  .~.~ With integral optical element for guiding or distributing light from the light source {5}
66.~.~.~ Louvres


DEFINITION

Classification: 349/66

Louvres:

(under subclass 62) Subject matter wherein the optical means is formed of thin parallel slats or strips which reflect or refract light rays toward or away from the liquid crystal cell.