US PATENT SUBCLASS 313 / 504
.~.~.~ Organic phosphor

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

483  DF  WITH LUMINESCENT SOLID OR LIQUID MATERIAL {4}
498  DF  .~ Solid-state type {8}
503  DF  .~.~ With particular phosphor or electrode material {1}
504.~.~.~ Organic phosphor

DEFINITION

Classification: 313/504

(under subclass 503) Subject matter wherein the phosphor is an organic compound.