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:
Sep. 22, 2015
Filed:
Sep. 23, 2011
Dong-sing Wuu, Taichung, TW;
Ray-hua Horng, Taichung, TW;
Wei-ting Lin, Taichung, TW;
NATIONAL CHUNG-HSING UNIVERSITY, Taichung, TW;
Abstract
A patterned substrate for epitaxially forming a light-emitting diode includes: a top surface; a plurality of spaced apart recesses, each of which is indented downwardly from the top surface and each of which is defined by a recess-defining wall, the recess-defining wall having a bottom wall face, and a surrounding wall face that extends from the bottom wall face to the top surface; and a plurality of protrusions, each of which protrudes upwardly from the bottom wall face of the recess-defining wall of a respective one of the recesses. A light-emitting diode having the patterned substrate is also disclosed.