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. 29, 2025
Filed:
Nov. 22, 2023
Basf SE, Ludwigshafen, DE;
Oledworks Gmbh, Aachen, DE;
Osram Oled Gmbh, Regensburg, DE;
Evelyn Fuchs, Mannheim, DE;
Oliver Molt, Weinheim, DE;
Korinna Dormann, Bad Duerkheim, DE;
Thomas Gessner, Heidelberg, DE;
Nicolle Langer, Heppenheim, DE;
Ingo Muenster, Boehl-Iggelheim, DE;
Jianqiang Qu, Shanghai, CN;
Christian Lennartz, Schifferstadt, DE;
Christian Schildknecht, Mannheim, DE;
Soichi Watanabe, Mannheim, DE;
Gerhard Wagenblast, Wachenheim, DE;
Guenter Schmid, Hemhofen, DE;
Herbert Friedrich Boerner, Aachen, DE;
Volker Van Elsbergen, Aachen, DE;
Abstract
The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.