Universal Display Corporation

Fmc Corporation

Bayer Cropscience Ag

Walter H Yeager

Jui-Yi Tsai

Chuanjun Xia

Alexey Borisovich Dyatkin

Lichang Zeng

Zhiqiang Ji

Pierre-Luc T Boudreault

Chun Lin

Bin Ma

Edward Barron

Scott A Beers

Zeinab M Elshenawy

Mingjuan Su

Thomas G Cullen

David B Knowles

Robert W Walters

Suman Layek

Cory S Brown

Gregg Kottas

Alan Deangelis

Robert N Henrie, Ii

Vadim Adamovich

Eric A Margulies

Bert Alleyne

George Theodoridis

Peter Borden Mackenzie

Clinton J Peake

Ting-Chih Wang

Jason Brooks

Scott Joseph

Michael Stewart Weaver

Harvey Wendt

Kwang-Ohk Cheon

Daniel H Cohen

Ian R Silverman

Stephen F Donovan

Raymond Kwong

John W Lyga

James J Fiordeliso

Ping Ding

Y Larry Zhang

Alan DeAngelis

Julia J Brown

Edward J Barron

David Rosen

Albert C Lew

Partha S Ray

Munirathnam K Chaguturu

John W Buser

Peter Borden MacKenzie

Ariamala Gopalsamy

Wei-Chun Shih

David Zenan Li

Inna Shulman

David M Roush

Paul E Rensner

Guozhi Wang

Seong Jae Yu

Ed Barron

Dennis L Warkentin

Qun Zhang

Geza Szigethy

Hsiao-Fan Chen

Hongyan Qi

Frank Zawacki

John A Dixson

Syed F Ali

Dominic P Suarez

Elizabeth Gerig Rowley

Lech Michalski

Gregory S Kottas

Steven Shunxiang Zhang

Ellen M Crawford

Christina B Duggan

Mary E Brown

Michael Stuart Weaver

Jerald Feldman

Jianming Yu

Nasrin Ansari

Peter B MacKenzie

Benjamin J Dugan

Dinesh Rayabarapu

John Francis Chiarello

Steven W Szczepanski

Manorama M Patel

Syed Z Ahmed

Stephen Shunxiang Zhang

Robert N Henrie Ii

Ting-Chih (Carina) Wang

Derek Wozniak

James Fiordelisio

Shunxiang Zhang

Hongbin Men

New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed. Such compounds can have a structure of Formula III, where rings A, B, C, and D are ring; Land Leach a direct bond or a linking group; nand nare 0 or 1; if nor nis 1, then Lor Lis a direct bond or a linking group, and if nor nis 0, Lor Lis not present; Q, Q, Qand Qare a direct bond or oxygen; ring A is trans to ring D, ring B is trans to ring C in a square-planar coordination configuration; Mis Pt, and the compound comprises at least one Pt-carbene bond.

Tetradentate organic electroluminescent materials and devices

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.

Organic electroluminescent materials and devices

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.

A compound comprising a first bidentate ligand Lhaving a structure of Formula I, is provided. In Formula I, each of Yto Yis CR or N; each R can be same or different; each R is hydrogen or a substituent; at least one pair selected from Y-Y, Y-Y, or Y-Yare CR and the Rs are joined or fused into a ring; and Lis complexed to a metal M selected from the group consisting of Os, Ir, Pd, and Pt. Formulations, OLEDs, and consumer products containing the compound are also provided.

The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.

Provided are multicyclic organic electroluminescent compounds having a ligand Lof Formula I shown below: Also provided are OLEDs and related consumer products that contain an organic layer having these organic electroluminescent compounds.

Organic materials containing dibenzofuran or aza-dibenzofuran moiety are disclosed in this application. These materials are expected to improve OLED device performance.

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

A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent Rat one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in Rwhere that atom is the farthest away from the metal among the atoms in R; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R, the first distance is longer than the radius r by at least 2.9 Å.

An OLED including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes a compound having the formula [L]Ir[L]is disclosed. In the formula, Lis

A compound having a structure of Formula I In Formula I, M is Pd or Pt; each of Xto Xis independently C or N; ring A is a 5-membered or 6-membered ring; Kand Kare selected from a direct bond, O, S, and NR; Lis an organic linker; Yis selected from O, S, BR, PR, Se and NR; each R, R, R, R, R, and Ris hydrogen or a substituent; and any two substituents can be joined or fused to form a ring. Further provided are OLEDs and related consumer products that utilize these compounds.

A compound comprising a first bidentate ligand L, wherein Lcomprises a structure of Formula I;

A compound having the formula Ir(L)(L), having the structure of Formula I is provided. In the structure of Formula I, each of Athrough Ais independently carbon or nitrogen; at least one of Athrough Ais nitrogen; ring B is bonded to ring A through a C—C bond; the iridium is bonded to ring A through an Ir—C bond; X is O, S, or Se; each of Rthrough Rare independently selected from a variety of substituents, which may be linked for form a ring; n is an integer from 1 to 3; and at least one Radjacent to ring C is not hydrogen. Formulations and devices, such as OLEDs, that include the first compound are also provided.

Provided are a compound comprising a ligand Lof Formula I that are useful 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.

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Yardley, PA, United States of America

Walter H Yeager