Optical diffuser with uv blocking coating

Details Optical diffuser with uv blocking coating Optical diffuser with uv blocking coating

G - Physics

02

B

G02B 5/02 (2006.01)

Patent

CA 2628751

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 of this invention, 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 makes its way through the diffuser. In certain example embodiments, the coating may including particulate so that the coating may both diffuse visible light and perform UV blocking.

La présente invention porte sur un diffuseur de système d'éclairage, ledit diffuseur étant capable de bloquer des quantités significatives de rayonnements ultraviolets (UV). Dans certains modes d'application exemplifiant l'invention, le diffuseur inclut un substrat de type verre portant un ou plusieurs revêtements UV qui bloquent des quantités significatives de rayonnements UV, réduisant ainsi la quantité de rayonnements UV qui passent au travers du diffuseur. Dans certains modes d'application exemplifiant l'invention, le revêtement peut inclure des particules, de façon à ce qu'il puisse à la fois diffuser la lumière visible et bloquer les UV.

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