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:
Jul. 02, 2019
Filed:
Oct. 15, 2018
Applicant:
Phoenix Electric Co., Ltd., Hyogo, JP;
Inventors:
Tetsuya Gouda, Hyogo, JP;
Tomohiko Inoue, Hyogo, JP;
Assignee:
PHOENIX ELECTRIC CO., LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/00 (2006.01); F21V 7/04 (2006.01); F21W 131/406 (2006.01); F21Y 107/50 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 7/04 (2013.01); F21W 2131/406 (2013.01); F21Y 2107/50 (2016.08); F21Y 2115/10 (2016.08);
Abstract
An LED lamp includes a plurality of LEDs and a pillar that is defined by a polygonal cross-sectional shape and includes a plurality of lateral surfaces on which the plurality of LEDs are disposed. A pillar radius ratio is set to fall in a range of greater than or equal to 3.73% and less than or equal to 18.25%. The pillar radius ratio is defined as a dimensional ratio of a pillar radius to a radius of an opening of a reflector made in shape of a bowl. The pillar radius is defined as a distance from a center point of the pillar to each of the plurality of lateral surfaces.