Transmissive optical elements including transparent plastic...

Details Transmissive optical elements including transparent plastic... Transmissive optical elements including transparent plastic...

2006-04-18

2006-04-18

Nelms, David (Department: 2818)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Including integrally formed optical element

C257S080000, C257S098000, C438S025000

Reexamination Certificate

active

07029935

ABSTRACT:
A transmissive optical element is fabricated by filling a mold with molten liquid that includes a transparent plastic and a phosphor additive, and allowing the molten liquid to solidify to produce the transmissive optical element having phosphor dispersed therein. Accordingly, a separate phosphor coating or phosphor-containing encapsulant need not be used. Transmissive optical elements include a shell made of transparent plastic with a phosphor dispersed therein. The phosphor may be uniformly and/or nonuniformly dispersed in the shell.

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