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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.