Universal Display Corporation

University of Southern California

Princeton University

Nippon Steel & Sumikin Chemical Co., Ltd.

Universal Display Corpration

Bert Alleyne

Chuanjun Xia

Pierre-Luc T Boudreault

Bin Ma

Raymond Kwong

Jason Brooks

Vadim Adamovich

James J Fiordeliso

Michael Stewart Weaver

Alan Deangelis

Alexey Borisovich Dyatkin

Nasrin Ansari

Jui-Yi Tsai

Mark Edward Thompson

Zhiqiang Ji

Walter H Yeager

Peter I Djurovich

Scott Joseph

Chun Lin

Dinesh Rayabarapu

Suman Layek

Hitoshi Yamamoto

David Zenan Li

Yonggang Wu

Edward Barron

Ting-Chih Wang

Peter B MacKenzie

Scott A Beers

Wei-Chun Shih

Lichang Zeng

Harvey Wendt

Stephen R Forrest

Michael Stuart Weaver

Hsiao-Fan Chen

Mingjuan Su

Brian D'Andrade

Arnold Tamayo

Xiaofan Ren

Jerald Feldman

Gregg Kottas

Robert W Walters

Peter Borden Mackenzie

Tyler Fleetham

Takahiro Kai

Toshihiro Yamamoto

Eric A Margulies

Masaki Komori

Daniel W Silverstein

Alan DeAngelis

Lech Michalski

Steven R Cordero

Ed Barron

Tissa Sajoto

Xiao-Chang Charles Li

Derek Ian Wozniak

Ting-Chih (Carina) Wang

Zeinab Elshenaway

Raymond C Kwong

Brooks Jason

Mark Thompson

Stephen Forrest

Scott Ansari

Vadim Aadamovich

Steven Cordero

Brian Wendell D'Andrade

Brian Wendell D'ANDRADE

Compounds of Formula I, are provided. In Formula I, M is Pd or Pt; each of Xto Xis C or N; one of Zand Zis C and the other is N; Y is selected from O, S, Se, N*R, CRR', SiRR′, or GeRR′; Kis a direct bond, O, or S; each R, R′, R, R, R, and Ris independently hydrogen or a substituent; at least one of R, R′, R, R, R, or Ris a substituent R*; and (i) R* comprises a 5-membered or 6-membered heterocyclic ring, or (ii) R* comprises Formula Ia: Formula Ia;

Organic electroluminescent materials and devices

Provided is a compound comprising a ligand Lhaving where ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; one of X-Xis C if linked to ring A; one of X-Xis N if adjacent to the linking C and coordinates to a metal M to form a five-membered chelate ring as indicated by the two dashed lines.

A compound that can be useful as emitters in an OLED that includes a ligand Lof Formula I is disclosed.

A compound comprising a heteroleptic iridium complex having a structure of Formula II, is provided. In Formula II, each of R, R, R, R, R, and R, is independently selected from the group consisting of hydrogen, deuterium, cycloalkyl, deuterated cycloalkyl, alkyl, and deuterated alkyl; at least one of R, R, R, R, R, and Ris not hydrogen or deuterium; and each R and R' is independently selected from a variety of substitutions. OLEDs and formulations containing the compound of Formula II are also provided.

Provided are organometallic compounds having a structure of Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

A compound including a first ligand Lof Formula I, is disclosed. In Formula I, ring B is a 5- or 6-membered ring; X, X, and Xare each CRor N; R is a 5- or 6-membered carbocyclic or heterocyclic ring, which can be further fused or substituted; and (1) when ring B is an unfused 6-membered ring, Xand Xare N, and Xis C; and (2) when ring B is a fused 6-membered ring, ring B has the structure of Formula II, In this structure, the wavy line indicates the point of connection to ring A; Qto Qare each C or N; and, when proviso (2) applies, (I) at least one of X, X, and Xis N; or (II) R is two or more fused or unfused 5- or 6-membered carbocyclic or heterocyclic rings, or (III) at least ring A or R is substituted with a partially or fully deuterated alkyl or partially or fully deuterated cycloalkyl group.

A compound including a first ligand Lof Formula I, is disclosed. In Formula I, ring B is a 5- or 6-membered ring; X, X, and Xare each CRor N; R is a 5- or 6-membered carbocyclic or heterocyclic ring, which can be further fused or substituted; and (1) when ring B is an unfused 6-membered ring, Xand Xare N, and Xis C; and (2) when ring B is a fused 6-membered ring, ring B has the structure of Formula II, In this structure, the wavy line indicates the point of connection to ring A; Qto Qare each C or N; and, when proviso (2) applies, (I) at least one of X, X, and Xis N; or (II) R is two or more fused or unfused 5- or 6-membered carbocyclic or heterocyclic rings, or (III) both.

Provided are organometallic compounds that includes a ligand Lof Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

This present invention includes novel ligands for metal complexes, which include three fused cycles or heterocycles. The first ring may be either a pyridine or a pyrimidine ring, which coordinates with the iridium metal. The second ring may be a six-membered ring, which may or may not contain nitrogen atoms. The third ring may be either a five or six membered ring. The combination of these aromatic rings provides near infrared or infrared emission in PHOLEDs devices. The bottom ring of the ligand is an alkylated cycle or heterocycle which provides a good efficiency and emission line shape.

A compound having an ancillary ligand Lhaving the formula: Formula I is disclosed. The ligand Lis coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

Provided are organometallic compounds including a ligand Lof Formula I: Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Provided are phenylthienothiazole containing compounds. The compound of the present invention comprises a first phenylthienothiazole-derived ligand Laccording to Formula I as described herein which is coordinated to Ir to form a 5-membered chelate ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Provided are compounds having a ligand Lof Formula I that are useful as emissive compounds in organic light emitting devices.

A compound of: is disclosed. In Formula III, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sphybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L' is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.

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Ewing, NJ, United States of America

Bert Alleyne