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. 13, 2018
Filed:
May. 31, 2016
Koninklijke Philips N.v., Eindhoven, NL;
Philipp Henning Gerlach, Eindhoven, NL;
Roger King, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The invention relates to a Vertical Cavity Surface Emitting Laser () comprising a first electrical contact (), a substrate (), a first Distributed Bragg Reflector (), an active layer (), a second Distributed Bragg Reflector () and a second electrical contact (). The Vertical Cavity Surface Emitting Laser comprises at least one AlGaAs-layer with 0.95≤y≤1 with a thickness of at least 40 nm, wherein the AlGaAs-layer is separated by means of at least one oxidation control layer (). The invention further relates to a laser device () comprising such a VCSEL () preferably an array of such a VCSELs () which are driven by an electrical driving circuit (). The invention also relates to a method of manufacturing such a VCSEL ().