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. 11, 2018
Filed:
Nov. 23, 2015
Applicant:
Oculus Vr, Llc, Menlo Park, CA (US);
Inventors:
Vincent Brennan, Cork, IE;
Christopher Percival, Blarney, IE;
Padraig Hughes, Cork, IE;
Allan Pourchet, Cork, IE;
Celine Claire Oyer, Cork, IE;
Assignee:
Oculus VR, LLC, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 33/24 (2010.01); H01L 33/06 (2010.01); H01L 33/10 (2010.01); H01L 33/32 (2010.01); H01L 33/58 (2010.01); H01L 27/15 (2006.01);
U.S. Cl.
CPC ...
H01L 33/24 (2013.01); H01L 27/156 (2013.01); H01L 33/06 (2013.01); H01L 33/10 (2013.01); H01L 33/32 (2013.01); H01L 33/58 (2013.01);
Abstract
A micro-LED, μLED, comprising: a substantially parabolic mesa structure; a light emitting source within the mesa structure; and a primary emission surface on a side of the device opposed to a top of the mesa structure; wherein the mesa structure has an aspect ratio, defined by (H*H)/Ac, of less than 0.5, and the μLED further comprises a reflective surface located in a region from the light emitting source to the primary emission surface, wherein the reflective surface has a roughness, Ra, less than 500 nm.