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:
Nov. 07, 2017
Filed:
Aug. 26, 2015
Epileds Technologies, Inc., Tainan, TW;
Lucemitek Co., Ltd., Taoyuan, TW;
Kung-Hsieh Hsu, Tainan, TW;
Cheng-Yu Chiu, Taoyuan, TW;
Ming-Sen Hsu, Tainan, TW;
Chun-Hung Chen, Taoyuan, TW;
Chun-Yi Lee, Taoyuan, TW;
Epileds Technologies, Inc., Tainan, TW;
Abstract
A sapphire substrate with patterned structure includes a sapphire base; a plurality of the cavities formed on a surface of the sapphire base; and a template layer. The plurality of the cavities are periodically arranged at a predetermined distance from each other, and each of the plurality of the cavities has a bottom surface and a top opening. Each of the plurality of the cavities comprises at least a first and a second inclined surfaces, and the first and the second inclined surfaces are inclined by a first and a second angles respectively with respect to the bottom surface of the plurality of the cavities.