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.:

US 11950496 B1

Date of Patent:

Apr. 02, 2024

Filed:

Nov. 23, 2016

Organic semiconductive layer comprising phosphine oxide compounds

Applicant:

Novaled Gmbh, Dresden, DE;

Inventor:

Volodymyr Senkovskyy, Dresden, DE;

Assignee:

Novaled GmbH, Dresden, DE;

Attorney:

Eversheds Sutherland (US) LLP

Primary Examiner:

Dawn L Garrett

Int. Cl.

CPC ...

H10K 85/60 (2023.01); C07F 9/53 (2006.01); C07F 9/576 (2006.01); C07F 9/6506 (2006.01); C07F 9/6521 (2006.01); C07F 9/655 (2006.01); C07F 9/6558 (2006.01); C07F 9/6561 (2006.01); H10K 50/16 (2023.01); H10K 50/165 (2023.01); H10K 50/17 (2023.01); H10K 50/19 (2023.01);

U.S. Cl.

CPC ...

H10K 85/615 (2023.02); C07F 9/5325 (2013.01); C07F 9/5765 (2013.01); C07F 9/65068 (2013.01); C07F 9/6521 (2013.01); C07F 9/65517 (2013.01); C07F 9/65522 (2013.01); C07F 9/65586 (2013.01); C07F 9/6561 (2013.01); H10K 50/16 (2023.02); H10K 50/165 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 50/171 (2023.02); H10K 50/19 (2023.02);

Abstract

The present invention relates to an. organic semiconductive layer which is an electron transport layer and/or an electron injection layer and/or an n-type charge generation layer, the organic semiconductive layer comprising at least one compound of formula (1) wherein Rand Rare each independently selected from Cto Calkyl; Aris selected from Cto Carylene or Cto Cheteroarylene; Aris independently selected from Cto Carylene or Cto Cheteroarylene; Ris independently selected from H, Cto Calkyl or Cto Caryl; wherein each of Ar, Arand Rmay each independently be unsubstituted or substituted with at least one Cto Calky group; n is 0 or 1; and m is 1 in case of n=0; and m is 1 or 2 in case of n=1, phosphine oxide compounds comprised therein and to organic electroluminescent devices comprising such layers and compounds.

Find Patent Forward Citations