Total internal reflection prism for use with digital micromirror devices

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10578776
APP PUB NO 20180329116A1
SERIAL NO

15594694

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Abstract

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A total internal reflection prism, for use with a digital micromirror device (DMD), is provided. The total internal reflection prism comprises: a DMD-facing side; an air gap internal to the TIR prism, the air gap including a total internal reflection (TIR) surface; and an anti-reflective (AR) coating at the TIR surface of the air gap, the AR coating one or more of: optimized for transmission of DMD off-state light through the air gap; and having higher transmission at a DMD off-state angle than at an angle where one or more of illumination light and DMD on-state light are transmitted through the air gap.

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Patent Owner(s)

Patent OwnerAddress
CHRISTIE DIGITAL SYSTEMS USA INC10550 CAMDEN DR CYPRESS CA 90630

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Uetsuki, Kazumasa Waterloo, CA 1 0

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