Universal Display Corporation

Erik Mora

Jui-Yi Tsai

Pierre-Luc T Boudreault

Alexey Borisovich Dyatkin

Zhiqiang Ji

Wei-Chun Shih

Miguel A Esteruelas

Enrique Oñate

Provided are organoiridium compounds that are useful as emitters in OLEDs. The compounds have Formula I LLIr-L-Ir-LL, where: L is a bis-bidentate ligand including two or more aromatic rings; one of the two or more aromatic rings is bonded to the two Ir atoms at the same time; and each of L, L, L, and Lis independently a bidentate N-heterocyclic carbene ligand or a substituted or unsubstituted acetylacetonate ligand with L, L, L, and Leach being the same or different. Also provided are formulations including these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.

Organic electroluminescent materials and devices

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Saragossa, Spain

Erik Mora