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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 11770971 B1

PDFFull Text
Date of Patent:
Sep. 26, 2023

Filed:

Oct. 11, 2021

Esters containing aromatic groups as solvents for organic electronic formulations

Applicant:

Merck Patent Gmbh, Darmstadt, DE;

Inventors:

Gaëlle Béalle, Heidelberg, DE;

Christoph Leonhard, Otzberg, DE;

Hsin-Rong Tseng, Wiesbaden, DE;

Irina Martynova, Griesheim, DE;

Aurélie Ludemann, Frankfurt am Main, DE;

Edgar Kluge, Gross-Gerau, DE;

Anja Jatsch, Frankfurt am Main, DE;

Manuel Hamburger, Mannheim, DE;

Li Wei Tan, Eastleigh, GB;

Pawel Miskiewicz, Southampton, GB;

Philip Edward May, Sidcup, GB;

Daniel Walker, Southampton, GB;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorney:

Faegre Drinker Biddle & Reath LLP

Primary Examiner:

Mark Kopec

Int. Cl.
CPC ...
H01B 1/12 (2006.01); C09D 11/00 (2014.01); H10K 85/60 (2023.01); C09D 11/50 (2014.01); C09D 11/52 (2014.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01); H10K 71/00 (2023.01); H10K 71/15 (2023.01); H10K 71/13 (2023.01); H10K 85/30 (2023.01); H10K 85/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C09D 11/36 (2013.01); C09D 11/38 (2013.01); C09D 11/50 (2013.01); C09D 11/52 (2013.01); H01B 1/12 (2013.01); H10K 71/00 (2023.02); H10K 71/15 (2023.02); H10K 85/626 (2023.02); H10K 71/135 (2023.02); H10K 85/151 (2023.02); H10K 85/30 (2023.02); H10K 85/342 (2023.02);
Abstract

The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise (A) at least one specific ester solvent containing an aromatic group and (B) at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earth metals, lanthanides and actinides.

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