High brightness optical device

Details High brightness optical device High brightness optical device

2008-03-04

2008-03-04

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C345S007000

Reexamination Certificate

active

07339742

ABSTRACT:
There is provided an optical device, comprising a display source; a light-diffuser; an imaging optical module, and an output aperture from the optical device characterized in that the light diffuser is an angular, non-uniform diffuser of light for increasing a portion of light emerging from the display source that passes through the output aperture. A method for improving the brightness of an optical display is also provided.

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patent: 6950220 (2005-09-01), Abramson et al.
patent: 2003/0030912 (2003-02-01), Gleckman et al.
patent: 1 096 293 (2001-05-01), None

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