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. 28, 2014
Filed:
Sep. 16, 2010
Applicants:
Masao Imai, Minato-ku, JP;
Goroh Saitoh, Minato-ku, JP;
Fujio Okumura, Minato-ku, JP;
Inventors:
Assignee:
Nec Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/00 (2006.01); G03B 21/20 (2006.01); G02B 5/04 (2006.01); G02B 27/10 (2006.01); H04N 9/31 (2006.01); G03B 33/06 (2006.01); G03B 33/12 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2033 (2013.01); G03B 21/14 (2013.01); G03B 21/2073 (2013.01); G02B 5/04 (2013.01); G02B 27/10 (2013.01); H04N 9/3105 (2013.01); H04N 9/3167 (2013.01); G03B 33/06 (2013.01); G03B 33/12 (2013.01);
Abstract
A light source device includes: a first light source () that emits first polarized light of a plurality of colors including different wavelengths; a second light source () that emits second polarized light whose polarization state differs from that of the first polarized light and that includes light of at least one color from among the plurality of colors; and a first color synthesis optical element () that synthesizes the first polarized light emitted from the first light source () and the second polarized light emitted from the second light source ().