Radiant energy – Radiant energy generation and sources – With radiation modifying member
Patent
1998-08-25
2000-12-26
Nguyen, Kiet T.
Radiant energy
Radiant energy generation and sources
With radiation modifying member
359 15, 359 28, 359599, 430320, G02B 532
Patent
active
061663891
ABSTRACT:
An apparatus for projecting light on to a predetermined area includes a light source and a transparent element disposed adjacent the light source where in the transparent element is made from a sol-gel type glass, quartz, or other optical material. A plurality of surface micro-structures integral in a surface of the transparent element are provided which both homogenize and control directionality of light passing form the light source through the transparent element. These micro-structures produce a predetermined pattern of highly transmissive, smoothly varying, non-discontinuous light in a predetermined direction which is suitable for any number of applications wherein a sol-gel material transparent element including the diffuser surface structures are particularly well suited.
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Laine Jeffrey A.
Savant Gajendra D.
Shie Rick L.
Nguyen Kiet T.
Physical Optics Corporation
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