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:
Apr. 19, 2016
Filed:
Sep. 25, 2015
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/46 (2010.01); H01L 33/42 (2010.01); H01L 33/60 (2010.01); H01L 33/20 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 33/42 (2013.01); H01L 33/20 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01);
Abstract
A light-emitting element comprises a light-emitting stack comprising an active layer, a first insulative layer having a first refractive index on the light-emitting stack, a second insulative layer having a second refractive index on the first insulative layer, and a transparent conducting structure having a third refractive index on the second insulative layer, wherein the second refractive index is between the first refractive index and the third refractive index, and the first refractive index is smaller than 1.4.