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:
Aug. 09, 2011
Filed:
May. 21, 2009
Takayoshi Moriyama, Miura, JP;
Kazunari Higuchi, Yokohama, JP;
Sumio Hashimoto, Yokosuka, JP;
Shinichi Kumashiro, Yokohama, JP;
Takayoshi Moriyama, Miura, JP;
Kazunari Higuchi, Yokohama, JP;
Sumio Hashimoto, Yokosuka, JP;
Shinichi Kumashiro, Yokohama, JP;
Toshiba Lighting & Technology Corporation, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A reflector built in a down light includes a plurality of floodlight openings respectively exposing a plurality of light-emitting elements to a front surface side, a plurality of radial partition walls which respectively partition and surround these floodlight openings, and an inner circumferential partition wall. Each of the partition walls has a ridge line, and the reflector includes a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings. The plurality of radial partition walls extend from the center of the reflector towards the outer circumference, and the inner circumferential partition wall is located between the center and the outer circumference.