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:
May. 13, 2014
Filed:
May. 27, 2010
Makoto Sakai, Yokosuka, JP;
Toshiya Tanaka, Yokosuka, JP;
Keiichi Shimizu, Yokosuka, JP;
Hitoshi Kawano, Yokosuka, JP;
Makoto Sakai, Yokosuka, JP;
Toshiya Tanaka, Yokosuka, JP;
Keiichi Shimizu, Yokosuka, JP;
Hitoshi Kawano, Yokosuka, JP;
Toshiba Lighting & Technology Corporation, Tokyo, JP;
Abstract
The invention provides a self-ballasted lamp having high heat radiation performance, which is lightweight and inexpensive. A substrate having LED elements mounted is provided at one edge side of the radiator, and a cap is provided at the other edge side the radiator. A lighting circuit is accommodated between the radiator and the cap. The radiator includes a cylindrical cover member and an annular radiation member fitted to the outer circumferential part of the cover member and is composed by combining the cover member and the radiation member together. The cover member and the radiation member are made of metal and are formed by press-working.