Optical structures for diffusing light

Details Optical structures for diffusing light Optical structures for diffusing light

G - Physics

03

F

G03F 7/00 (2006.01) G02B 5/02 (2006.01) G02B 6/10 (2006.01) G02B 6/122 (2006.01) G02B 6/24 (2006.01) G03B 21/62 (2006.01) G03F 7/20 (2006.01) G02B 6/12 (2006.01)

Patent

CA 2273050

Optical diffusing structures can be fabricated from photopolymerizable material by directing light through a transparent or translucent substrate and then through the photopolymerizable material for a period of time sufficient to photopolymerize only a portion of the material. The resultant structure can be utilized as a diffuser, a viewing screen, and in other applications, and can be combined with other light-directing structures such as arrays of tapered optical waveguides.

L'invention concerne des structures optiques de diffusion qui peuvent être fabriquées à partir d'un matériau photopolymerisable par orientation de la lumière à travers un substrat transparent ou translucide, puis à travers ledit matériau photopolymerisable pendant une période assez longue pour ne photopolymériser qu'une partie dudit matériau. La structure ainsi formée peut être utilisée en tant que diffuseur ou qu'écran de visualisation et peut servir à d'autres applications. Elle peut également être combinée à d'autres structures d'orientation lumineuse, comme des groupements de guides d'ondes optiques de transition.

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