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:
Jan. 03, 2006
Filed:
Jun. 30, 2000
Applicants:
Kazuhiro Arai, Kadoma, JP;
Syoichi Yoshii, Fujiidera, JP;
Inventors:
Kazuhiro Arai, Kadoma, JP;
Syoichi Yoshii, Fujiidera, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/22 (2006.01); G03B 21/28 (2006.01); G03B 21/14 (2006.01); G03B 21/56 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image light is P-polarized to the screen (). Therefore, reflection of light on the screen () is reduced.
Arai, Kazuhiro. (2006). Rear projection display device (U.S. Patent No. 6981771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6981771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile