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:
Oct. 22, 2013
Filed:
Sep. 09, 2009
Applicant:
Kenji Miyazaki, Tokyo, JP;
Inventor:
Kenji Miyazaki, Tokyo, JP;
Assignee:
NEC Display Solutions, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/18 (2006.01); G03B 21/22 (2006.01); G03B 21/26 (2006.01); F21V 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection display device that modulates light on the basis of image information to form an optical image, and that projects the formed optical image, includes: light source devicesR,G andB; optical modulation devicethat modulates lights emitted from light source devicesR,G andB; and common metal plateon which light source devicesR,G andB and optical modulation deviceare mounted, light source devicesR,G andB and optical modulation devicebeing thermally connected via metal plate