US PATENT SUBCLASS 349 / 71
.~.~.~ Formed of planar phosphor or fluorescent layer separate from illumination source

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}
70  DF  .~.~ Fluorescent light source {1}
71.~.~.~ Formed of planar phosphor or fluorescent layer separate from illumination source

DEFINITION

Classification: 349/71

Formed of planar phosphor or fluorescent layer separate from illumination source:

(under subclass 70) Subject matter including a continuous layer or a layer of individual elements separate from an illumination source wherein the layer emits light when excited by radiant energy.