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:
Apr. 15, 2014
Filed:
Jul. 19, 2011
Applicants:
Lac Nguyen, Markham, CA;
Chang Han, Pleasanton, CA (US);
Inventors:
Lac Nguyen, Markham, CA;
Chang Han, Pleasanton, CA (US);
Assignee:
Cofan USA, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
Abstract
An LED device with improved circuit board LED support structure is presented. A top surface of a thermally-conductive substrate of this LED device comprises a thermally-conductive pillar. The pillar is not covered with a dielectric layer and an LED package is arranged directly on the pillar with the LED packages bottom thermally-conductive plate in direct contact with the pillar top surface.