Merck Patent Gmbh

Jonas Valentin Kroesser

Amir Hossain Parham

Philipp Stoessel

Christof Pflumm

Anja Jatsch

Thomas Eberle

Rémi Manouk Anémian

Rémi Manouk Anemian

The present invention describes carbazole derivatives formula (1), where the following applies to the symbols used: Y is on each occurrence, identically or differently, CR or N; X is selected from C(R1)2, O, S, PR1, P(&#x2550;O)R1 or BR1; characterized in that at least one group R is present which stands, identically or differently on each occurrence, for a group of the following formula (2), and/or in that at least one group R1 is present which stands for a group of the following formula (3) or (4), in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.

Carbazole derivatives for organic electroluminescence devices

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Frankfurt am Main, Germany

Jonas Valentin Kroesser