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:
Jul. 05, 2022
Filed:
Nov. 02, 2017
Applicant:
Cynora Gmbh, Bruchsal, DE;
Inventor:
Angela Digennaro, Heidelberg, DE;
Assignee:
CYNORA GMBH, Bruchsal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/50 (2013.01); H01L 51/5004 (2013.01); H01L 51/5012 (2013.01); H01L 2251/5384 (2013.01); H01L 2251/552 (2013.01);
Abstract
The present invention relates to an organic electroluminescent device comprising a light-emitting layer B containing at least one host compound H of formula (I) wherein not more than two of the residues A, A, Aand Aare each N, X is O or S, and X' is NR, O or S. Further, the present invention refers to a method for generating light of a desired wavelength range by means of an organic electroluminescent device according to the present invention to which an electrical current is applied.