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:
Nov. 19, 2002
Filed:
Nov. 30, 1998
Tsukasa Maruyama, Akita, JP;
Dowa Mining Co., Ltd., Tokyo, JP;
Abstract
Leadframe stock with frame portions on which leadframes A and B are supported by means of support bridges A and B, and concave reflector mirror stock with frame portions on which concave reflector mirror is supported by means of support bridges and which are provided with a glossy plate are made by blanking or etching metal sheets and press forming which is applied to make the concave reflector mirror stock the two stocks are made integral by joining their respective frame portions; the essential parts of the stocks including an LED chip and the concave reflector mirror are molded with light-transmissive resin such that they are completely buried in the resin; the support bridges A, B and are then cut off to sever the individual frame portions to produce a reflecting LED lamp apparatus that is rigid, highly resistant to heat and commercially available at low cost.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile