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:
May. 19, 2020
Filed:
Mar. 16, 2017
Osram Oled Gmbh, Regensburg, DE;
Fabian Kopp, Penang, MY;
Attila Molnar, Penang, MY;
OSRAM OLED GMBH, Regensburg, DE;
Abstract
A method for producing an optoelectronic semiconductor chip is specified, wherein a method step A) involves providing a semiconductor layer stack comprising a semiconductor layer of a first type, a semiconductor layer of a second type and an active layer arranged between the semiconductor layer of the first type and the semiconductor layer of the second type. Furthermore, the method comprises in a method step B) forming a mesa structure in the semiconductor layer of the first type, the semiconductor layer of the second type and the active layer. The method furthermore comprises in a method step C) applying a passivation layer to the mesa structure by means of vapour deposition or sputtering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile