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:
Mar. 19, 2024
Filed:
Dec. 18, 2020
Osram Oled Gmbh, Regensburg, DE;
Alfred Lell, Maxhütte-Haidhof, DE;
Georg Brüderl, Burglengenfeld, DE;
John Brückner, Regensburg, DE;
Sven Gerhard, Alteglofsheim, DE;
Muhammad Ali, Regensburg, DE;
Thomas Adlhoch, Brennberg, DE;
OSRAM OLED GmbH, Regensburg, DE;
Abstract
A semiconductor laser includes a substrate having a semiconductor layer sequence with an active layer that generates light during operation of the semiconductor laser, and a contact layer on a bottom side of the substrate opposite the semiconductor layer sequence, wherein the contact layer has at least one first partial region and at least one second partial region which are formed contiguously, the at least one first partial region is annealed, and the at least one second partial region is unannealed.