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 9046239 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 02, 2015

Filed:

Mar. 13, 2013
Applicant:

Minebea Co., Ltd., Kitasaku-gun, Nagano, JP;

Inventor:

Masaki Asai, Fukudi, JP;

Assignee:

MINEBEA CO., LTD., Kitasaku-gun, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 3/00 (2006.01); F21V 5/02 (2006.01); G02B 3/08 (2006.01); G02B 19/00 (2006.01); F21Y 101/02 (2006.01);
U.S. Cl.
CPC ...
F21V 5/02 (2013.01); F21Y 2101/02 (2013.01); G02B 3/08 (2013.01); G02B 19/0061 (2013.01); G02B 19/0014 (2013.01);
Abstract

An illumination device includes: a light source including a plurality of light emission elements disposed adjacent to one another and phosphors; and a lens sheet including a plurality of first prisms disposed on an optical axis of the light source and disposed concentrically around the optical axis of the light source, wherein a plurality of second prisms reaching up to an outer peripheral portion of the lens sheet is radially formed around the optical axis of the light source on a surface of the lens sheet where the first prisms are formed.


Find Patent Forward Citations

Asai, Masaki. (2015). Illumination device (U.S. Patent No. 9046239). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9046239

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

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