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

Alexey Borisovich Dyatkin

Lichang Zeng

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

Jerald Feldman

Robert W Walters

Scott Joseph

Eric A Margulies

Yeh-Jiun Tung

William Ceyrolles

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

Wei-Chun Shih

Drew Murphy

James Fiordelisio

Wu Yonggang

Ting-Chih (Carina) Wang

Raymond C Kwong

Brooks Jason

Charles Li

William J Ceyrolles

Gregory Kottas

Borisovich Dyatkin

Provided are compounds of formula Ir(L)(L), where m and n are each independently 1 or 2; and m+n=3; where Lhas a structure of Formula I and Lhas a structure of Formula II that are useful as emitters in OLEDs. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Organic electroluminescent materials and devices

A compound of Formula I is disclosed where R, R, R, and Reach independently represent mono to a maximum possible number of substitutions, or no substitution; where two of Xto Xare carbon, and the other two are nitrogen; where L is an organic linker; where R, R, R, R, and Rare each independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; where Rdoes not comprise a dibenzothiophene group; and where any adjacent substituents are optionally joined or fused into a ring.

Organic host materials for electroluminescent devices

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.

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.

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Plainsboro, NJ, United States of America

Bin Ma