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. 22, 2022
Filed:
Jul. 02, 2018
Applicant:
Osram Oled Gmbh, Regensburg, DE;
Inventor:
Christoph Klemp, Regensburg, DE;
Assignee:
OSRAM OLED GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/40 (2010.01); H01L 23/00 (2006.01); H01L 31/0203 (2014.01); H01L 33/00 (2010.01); H01L 33/48 (2010.01);
U.S. Cl.
CPC ...
H01L 33/40 (2013.01); H01L 24/04 (2013.01); H01L 31/0203 (2013.01); H01L 33/0095 (2013.01); H01L 33/486 (2013.01); H01L 2224/04042 (2013.01); H01L 2933/0016 (2013.01);
Abstract
A method of producing a layer stack includes a) forming a first layer having a first material composition on a substrate, b) performing intermediate processing of the substrate with the first layer, c) forming an additional layer having a second material composition, the first material composition and the second material composition differing from each other by at most 10% by weight, at least locally directly on the first layer and d) applying a second layer at least in places directly onto the additional layer.