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.
Type:
Application
Filed:
March 6, 2019
Publication date:
November 26, 2020
Applicants:
BASF SE, OLEDWORKS GMBH, OSRAM OLEO GMBH
Inventors:
Evelyn FUCHS, Oliver MOLT, Korinna DORMANN, Thomas GESSNER, Nicolle LANGER, lngo MUENSTER, JianQiang Qu, Christian LENNARTZ, Christian SCHILDKNECHT, Soichi WATANABE, Gerhard WAGENBLAST, Guenter SCHMID, Herbert Friedrich BOERNER, Volker van ELSBERGEN