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. 10, 2011
Filed:
May. 23, 2008
Shi-ming Chen, Tainan County, TW;
Chang-hsin Chu, Tainan County, TW;
Shi-Ming Chen, Tainan County, TW;
Chang-Hsin Chu, Tainan County, TW;
Chi Mei Lighting Technology Corporation, Tainan County, TW;
Abstract
A light-emitting device includes a substrate having an epitaxial-forming surface and a back surface opposite to the epitaxial-forming surface, the substrate being formed with a recess indented from the back surface, the back surface having a recessed portion that defines the recess, and a planar portion extending outwardly from the recessed portion; an epitaxy layer; a continuous heat-dissipating layer formed on the planar portion and the recessed portion of the back surface of the substrate; and first and second electrodes coupled electrically to the epitaxy layer.