Composite optical dividing device

Details Composite optical dividing device Composite optical dividing device

2009-02-04

2010-06-22

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S618000, C359S634000

Reexamination Certificate

active

07742234

ABSTRACT:
A composite optical-dividing component receives a light beam. There are mixed-bands in the light beam. The composite optical-dividing component includes a first optical-patch and a second optical-patch. The first optical-patch has multiple micro-structural lenses in an identical shape. Each micro-structural lens receives the light beam and generates a deflecting light in some degrees of condense. The second optical patch has multiple polygonal structures. Some polygonal structures are periodic and provide the function of deflection in order to receive the deflecting light and then separate multiple bands from the beam. In accordance with wavelengths in multiple bands, the bands are emitted to a target area (RGB) in a plane, respectively. Another part of the polygonal structures has the capability of light refraction, which receives the deflecting light and deflects and the rest of the bands in the beam. And it is emitted to a target area (W) in a plane.

REFERENCES:
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patent: 5503732 (1996-04-01), Miyazaki et al.
patent: 5682265 (1997-10-01), Farn et al.
patent: 5801795 (1998-09-01), Ogino
patent: 2002/0001066 (2002-01-01), Kobayashi
patent: I278395 (2007-04-01), None

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