The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 25, 2005

Filed:

Mar. 01, 2004
Applicant:

Tsutou Asakura, Odawara, JP;

Inventor:

Tsutou Asakura, Odawara, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G20F 103 ; G03B 2100 ;
U.S. Cl.
CPC ...
Abstract

Removal of unnecessary reflected light in an image display apparatus employing reflective spatial light modulators to enable display of a high-quality image, having good contrast and no occurrence of the ghosting phenomena. Modulated light of each color synthesized by a fourth modulated light beam splitteris injected into a projection lensas circularly polarized light by a λ/4 plate, reflected light (R', G′, B′) reflected from the projection lensdoes not return to the respective spatial light modulating elementsandfor each color.


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