Optical: systems and elements – Diffusing of incident light
Reexamination Certificate
2001-07-16
2010-02-09
Chang, Audrey Y (Department: 2872)
Optical: systems and elements
Diffusing of incident light
C359S015000
Reexamination Certificate
active
07660039
ABSTRACT:
Kinoform diffusers (82) exhibit controllable diffusion characteristics that include off-axis transmittance and reflectance properties, elimination of zero-order beam, and freedom from spectral dispersion under achromatic illumination. Light control devices (76, 80, 82) implemented with kinoform diffusers having controllable diffusion characteristics provide anisotropic luminous intensity distributions and glare control at high viewing angles while maintaining high luminaire efficiency or daylight utilization.
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Ashdown Ian
Crenshaw Melissa
Santoro Scott
Chang Audrey Y
Ledalite Architectural Products Inc.
Stoel Rives LLP-PDX
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