Universal Display Corporation

Enrique Oñate

Jui-Yi Tsai

Miguel A Esteruelas

Pierre-Luc T Boudreault

Ana M Lopez

Alexey Borisovich Dyatkin

Chuanjun Xia

Montserrat Oliván

Chun Lin

Adrian U Palacios

Sonia Bajo

Zhiqiang Ji

Wei-Chun Shih

Morgan C Macinnis

Llorenç Benavent

Esther Raga

Ainhoa San Torcuato

Daniel Gomez-Bautista

Morgan C MacInnis

Roberto Gomez Alabau

Erik Mora

Maria Benitez

Maria L Buil

A compound including a first ligand Lof Formula I, is disclosed. In Formula I, moiety A is a monocyclic or polycyclic ring structure comprising 5-membered and/or 6-membered rings; each Rand Ris independently hydrogen or a general substituent; Lis coordinated to a metal M, selected from the group consisting of Os, Ir Pd, Pt, Cu, Ag, and Au; metal M can be coordinated to other ligands; and any two of Rand Rcan be joined or fused together to form a ring. Formulations, OLEDs, and consumer products containing the compound, as well as, methods of making the compound are also disclosed.

Organic electroluminescent materials and devices

Novel Iridium complexes having three different bidentate ligands useful for phosphorescent emitters in OLEDs are disclosed. At least one of the three different bidentate ligands is a carbene ligand.

A compound comprising a hexadentate ligand of Formula I coordinated to a metal selected from the group consisting of iridium, rhodium, and osmium;

Provided are compounds having a first ligand Lof that are useful in OLEDs as emitters.

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.

A compound comprising a hexadentate ligand of Formula I coordinated to a metal selected from the group consisting of iridium, rhodium, and osmium 

A compound having the formula Ir(L)(L), where Lhas a structure of Formula I and Lis a bidentate ligand is disclosed. In the structure of Formula I, rings A, B, C, and D are each independently 5- or 6-membered carbocyclic or heterocyclic rings; each of Zto Zis C or N; Lhas at least one Ir&#x2014;C bond; L is CR or N; each RR, R, and Ris independently hydrogen or one of the preferred general substituents; and any two substituents may be joined or fused together to form a ring. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.

A compound of the formula MLLwhere ligand Lis of Formula I, and ligand Lis of Formula II below. 

The present invention provides compounds comprising a tridentate ligand Lwherein Lis complexed to a metal, M. The metal complexes comprising the tridentate ligand Lmay be useful in an organic layer disposed between the anode and the cathode in an organic light emitting device (OLED).

This invention discloses heteroleptic iridium complexes containing two tridentate ligands with three five- and one six-cyclometalated rings, showing desired device performance properties.

This invention discloses iridium complexes containing one tetradentate ligand and one bidentate ligand. The heteroleptic iridium complexes showed desired properties such as good EQE, LT, and CIE.

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Saragossa, Spain

Enrique Oñate