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:
Oct. 31, 2006
Filed:
Feb. 24, 2003
Shinji Isokawa, Kyoto, JP;
Tomoji Yamaguchi, Kyoto, JP;
Shinji Isokawa, Kyoto, JP;
Tomoji Yamaguchi, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A light emitting diode lamp includes a lead terminalformed with a cuphaving a conical inner circumferential surface serving as a light reflective surface, an LED chipbonded to a bottom surfaceof the cup with a die bonding material H, a molded portionmade of a transparent synthetic resin for packaging the cup of the lead terminal. The bottom surfaceof the cup is formed with a recessor a protrusionto which the LED chipis bonded with the die bonding material H, whereby the light conversion efficiency of the conical light reflective surfaceis enhanced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile