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:
Jun. 19, 2018
Filed:
May. 19, 2017
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/42 (2010.01); H01L 33/22 (2010.01); H01L 33/38 (2010.01); H01L 33/46 (2010.01); H01L 33/14 (2010.01); H01L 33/40 (2010.01);
U.S. Cl.
CPC ...
H01L 33/42 (2013.01); H01L 33/22 (2013.01); H01L 33/38 (2013.01); H01L 33/46 (2013.01); H01L 33/14 (2013.01); H01L 33/405 (2013.01);
Abstract
A light-emitting element, comprises a light-emitting stack comprising an active layer; a window layer on the light-emitting stack, wherein the window layer has a surface opposite to the light-emitting stack; and an insulative layer on the surface, wherein the surface comprises a cavity and the insulative layer substantially conformally covering the cavity, and wherein the insulative layer has a first refractive index equal to or smaller than 1.4.