Optical diffuser with UV blocking coating using inorganic...

Details Optical diffuser with UV blocking coating using inorganic... Optical diffuser with UV blocking coating using inorganic...

2006-01-04

2008-11-04

Lavarias, Arnel C (Department: 2872)

Optical: systems and elements

Diffusing of incident light

C359S361000, C362S355000

Reexamination Certificate

active

07446939

ABSTRACT:
A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of ultraviolet (UV) radiation. In certain example embodiments, the diffuser includes a glass substrate which supports a UV coating(s) that blocks significant amounts of UV radiation thereby reducing the amount of UV radiation which can make its way through the diffuser. In certain example embodiments, the coating may include inorganic particulate in a fit matrix so that the coating may both diffuse visible light and perform UV blocking.

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