Reflective projection display system

Details Reflective projection display system Reflective projection display system

2005-01-11

2005-01-11

Nguyen, Judy (Department: 2851)

Optics: image projectors

Reflector

Plural

C353S033000, C353S081000, C348S771000, C359S291000, C359S834000, C359S850000

Reexamination Certificate

active

06840634

ABSTRACT:
A reflective projection display system for receiving a light ray and projecting it onto a screen in a light-state mode. The reflective projection display system includes a reflective micro-mirror panel, a projecting device and a prism set. Before reaching the reflective micro-mirror panel, the light ray is firstly reflected by the prism set. The light ray reflected by the reflective micro-mirror panel in the light-state mode directly passes through the prism set and is then received by the projection lens. The light ray reflected by the reflective micro-mirror panel in the dark-state mode is totally reflected at an interface between a prism adjacent to the reflective micro-mirror panel and an air gap adjacent to the prism.

REFERENCES:
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patent: 6560048 (2003-05-01), Okamori et al.
patent: 6583940 (2003-06-01), Nishikawa et al.
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patent: 20030189692 (2003-10-01), Kawano et al.
patent: 20040008402 (2004-01-01), Patel et al.
patent: 20040125347 (2004-07-01), Patel et al.

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