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:
Dec. 31, 2019
Filed:
Apr. 24, 2015
Siemens Aktiengesellschaft, Munich, DE;
Ana-Maria Krestel, Erlangen, DE;
Anna Maltenberger, Leutenbach, DE;
Marina A Petrukhina, Schenectady, NY (US);
Guenter Schmid, Hemhofen, DE;
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Abstract
A bi-nuclear phosphorescent emitter according to the following formula is disclosed. The emitter may include metal atoms Mand M, fluorescent emitter ligands L, L', terminal ligands L, L′, and bridging ligands L, L′, wherein Mand Mare In, Tl, Sn, Pb, Sb, and Bi; Land L′ are comprise substituted or non-substituted C6-C70 aromatics or heteroaromatics; Land L′ are fluorinated or non-fluorinated, bi-dentate C2-C30 heteroalkyl or heteroaromatics; Land L′ are fluorinated or non-fluorinated, mono-, bi-, or tri-dentate C2-C30 O—, S—, N, heteroalkyl or heteroaromatics; and n and m are 1 or 2 independently of one another.