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:
Feb. 18, 2014
Filed:
Oct. 06, 2010
Applicant:
Jui-hung Yeh, Hsinchu, TW;
Inventor:
Jui-Hung Yeh, Hsinchu, TW;
Assignee:
Epistar Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
A light-emitting device includes a light-emitting stacked layer having an active layer, and a composite substrate located under the light-emitting stacked layer. The composite substrate includes a supportive substrate having a top surface and a bottom surface non-parallel to the active layer; a metal substrate located under the supportive substrate; and a reflective layer located between the supportive substrate and the metal substrate.