Universal Display Corporation

University of Southern California

Other

Universal Display Corpration

Bin Ma

Chuanjun Xia

Alan Deangelis

Chun Lin

Raymond Kwong

Jui-Yi Tsai

Walter H Yeager

Bert Alleyne

Vadim Adamovich

Lichang Zeng

Alexey Borisovich Dyatkin

Jason Brooks

Edward Barron

Mingjuan Su

Pierre-Luc T Boudreault

Zhiqiang Ji

James J Fiordeliso

Yonggang Wu

David B Knowles

Zeinab M Elshenawy

Mark Edward Thompson

Scott A Beers

Peter I Djurovich

Ting-Chih Wang

Michael Stewart Weaver

Gregg Kottas

Suman Layek

David Zenan Li

Alan DeAngelis

Harvey Wendt

Kwang-Ohk Cheon

Peter B MacKenzie

Ed Barron

Julia J Brown

Robert W Walters

Scott Joseph

Eric A Margulies

Yeh-Jiun Tung

William Ceyrolles

Jerald Feldman

Peter Wolohan

George Fitzgerald

Cory S Brown

Daniel W Silverstein

Dinesh Rayabarapu

Michael S Barone

Xiao-Chang Charles Li

Lech Michalski

Michael Stuart Weaver

Nicholas John Thompson

Peter Borden Mackenzie

Drew Murphy

James Fiordelisio

Wu Yonggang

Ting-Chih (Carina) Wang

Borisovich Dyatkin

Gregory Kottas

Scott Beers

David Knowles

Michael S Weaver

Walter Yeager

Zeinab Elshenawy

William J Ceyrolles

Charles Li

Brooks Jason

Raymond C Kwong

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.

Organic electroluminescent materials and devices

A compound having a first ligand Lof Formula I is disclosed, where Zto Zare each independently C or N; at least one of Zto Zis N; and ring A is a structure of Formula II

A composition comprising a first compound and a second compound, wherein the first compound has a formula selected from the group consisting of wherein the second compound has the formula is disclosed.

A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L, L, and Lare each independently a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO, SiRR', GeRR′, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NR, O, S, and Se; Xand Xeach independently carbon or nitrogen; and one of Q, Q, and Qis oxygen, and the remaining two of Q, Q, and Qeach represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.

Provided are novel silane derived compounds. Also provided are OLEDs and related consumer products that contain these novel silane derived compounds. Further provided are formulations comprising these novel silane derived 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.

Provided are compounds of formula Ir(L)(L)(L)where Lforms a 5-membered chelate ring with Ir;

This invention discloses iridium complexes containing phenylpyridine ligand wherein there is an aryl or heterocyclic ring fused into phenyl ring. The iridium complexes showed desired device performance.

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.

The present invention includes a novel series of host materials for OLEDs based on substituted fused 1,2,4-triazines, represented by Formula I. The invention also includes an organic light-emitting device comprising an anode, a cathode, and an organic layer, disposed between the anode and the cathode, comprising a compound of Formula I. The compounds of the invention may improve the device EQE and lifetime.

A composition is disclosed that includes a first compound capable of functioning as a host in an emissive layer of an OLED at room temperature; and a second compound that includes a ligand Lof Formula III or Formula V disclosed herein.

Host materials for electroluminescent devices

A compound comprising a ligand L, having a structure of Formula I, is provided. In Formula I, Ato Aare each independently CR or N; at least two adjacent ones of Ato Aare CR and the Rs are joined together to form a six-membered ring fused to ring A or ring C; X is O, S, or Se; each R and Ris independently hydrogen or a substituent; any adjacent substituents are optionally joined or fused into a ring; the ligand Lis coordinated to a metal M; the metal M is bonded to ring A through a M-C bond; the metal M can be coordinated to other ligands; and the ligand Lis optionally linked with other ligands. Formulations, OLEDs, and consumer products containing such compounds are also disclosed.

This invention relates to the development of heterocyclic materials with high triplet excitation energy, which can be used as host materials in electroluminescent devices such as a PHOLED. The materials improve the performance of such devices by enhancing the lifetime and efficiency of the device when the newly developed heterocyclic materials are utilized as a host.

A compound having the formula Ir(L)(L)is disclosed wherein Lis an aza-DBF ligand and Lis an alkyl-substituted phenylpyridine ligand, wherein the compound has a structure according to Formula I: wherein each of Ato Acomprise carbon or nitrogen; wherein at least one of Ato Ais nitrogen; wherein ring B is bonded to ring A through a C—C bond; wherein the iridium is bonded to ring A through a Ir—C bond; wherein X is O, S, or Se; wherein R' and R″ each independently represent mono-, di-substitution, or no substitution; wherein any adjacent substitutions in R′, R″, R, R, R, R, R, and Rare optionally linked together to form a ring; wherein R, R, R′, and R″ are each independently selected from a variety of substituents; wherein R, R, R, and Rare each independently selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein n is an integer from 1 to 3; and wherein total number of carbons in at least one of the pairs Rand R, and Rand Ris at least four.

A compound including a first ligand Lof Formula I is disclosed. The compound is useful as an emitter in phosphorescent OLEDs.

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Plainsboro, NJ, United States of America

Bin Ma