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.
Patent No.:
Date of Patent:
Apr. 24, 2001
Filed:
Oct. 08, 1999
Applicant:
Inventor:
Takashi Ohta, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/710 ; F21V 2/900 ; G03B 2/114 ; G03B 2/128 ;
U.S. Cl.
CPC ...
G02B 2/710 ; F21V 2/900 ; G03B 2/114 ; G03B 2/128 ;
Abstract
A projective image display apparatus directed to effecting improved brightness of a displayed image for projection. The improved brightness is a consequence of harmonizing an intensity distribution of light from one or more light sources and converting light from the one or more light sources into linearly polarized light of one direction.