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.:

US 9709880 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 18, 2017

Filed:

Sep. 01, 2015
Applicant:

Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;

Inventor:

Kyo Yamamoto, Higashimurayama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G03B 21/00 (2006.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2013 (2013.01); G03B 21/208 (2013.01); G03B 21/2033 (2013.01); G03B 21/005 (2013.01); G03B 21/16 (2013.01); G03B 21/204 (2013.01);
Abstract

There is provided a light source unit having an excitation light shining device in which a plurality of semiconductor light emitting elements are arranged in rows and columns so that in the plurality of semiconductor light emitting elements, the direction of a major axis of an elliptic cross section of a light beam emitted from one semiconductor light emitting element is normal to the directions of major axes of elliptic cross sections of light beams emitted from adjacent light emitting elements.


Find Patent Forward Citations

Yamamoto, Kyo. (2017). Light source unit having semiconductor light emitting elements and projector having same light source unit (U.S. Patent No. 9709880). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9709880

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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