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:
Jan. 06, 2015
Filed:
Jul. 02, 2013
Epistar Corporation, Hsinchu, TW;
De-Shan Kuo, Hsinchu, TW;
Chun-Hsiang Tu, Hsinchu, TW;
Po-Shun Chiu, Hsinchu, TW;
Chun-Teng Ko, Hsinchu, TW;
Min-Hsun Hsieh, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
A light-emitting device comprising: a light-emitting stacked layer having a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer; a transparent conductive oxide layer formed on the second conductivity type semiconductor layer wherein the transparent conductive oxide layer having a first portion and a second portion and the upper surface of the transparent conductive oxide layer is a textured surface; a first electrode formed on the second portion of the transparent conductive oxide layer, and a second electrode formed on the first conductivity type semiconductor layer; a planarization layer formed on the first portion of the transparent conductive oxide layer, and the second electrode; and a reflective layer formed on the planarization layer that is devoid of the first electrode and the second electrode.