Universal Display Corporation

Merck Sharp + Dohme Corp.

Fmc Corporation

Bayer Cropscience Ag

Harvey Wendt

Chuanjun Xia

Pierre-Luc T Boudreault

Suman Layek

Scott A Beers

Walter H Yeager

Scott Joseph

Bin Ma

Vadim Adamovich

Alan Deangelis

Zeinab M Elshenawy

Edward Barron

Mingjuan Su

Bert Alleyne

Scott D Edmondson

Hitoshi Yamamoto

Jui-Yi Tsai

Alexey Borisovich Dyatkin

Zhiqiang Ji

Lichang Zeng

John W Lyga

Gregori J Morriello

Bing Li

Kwang-Ohk Cheon

Saroj Sehgel

Robert H Henrie, Ii

Chun Lin

Michael Stuart Weaver

Dong-Ming Shen

Ting-Chih Wang

Cheng Zhu

Richard Berger

David M Roush

Liping Wang

Lehua Chang

Stephen F Donovan

Ping Ding

John A Dixson

Nam Fung Kar

Bart Harper

George Theodoridis

Jeffrey John Hale

Ihor E Kopka

Nanjing Zhang

Stephen D Goble

Vincent Colandrea

Deyou Sha

John Francis Chiarello

Alan DeAngelis

Christopher R Moyes

Chris Moyes

Greg J Morriello

Chuanjun (Sean) Xia

Joseph Scott

Chris R Moyes

Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.

Organic electroluminescent materials and devices

Novel ligands for metal complexes containing five-membered ring fused on pyridine or pyrimidine ring combined with partially fluorinated side chains exhibiting improved external quantum efficiency and lifetime are disclosed.

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 that has the structure according to Formula M(L)(L)(L)is disclosed. In Formula M(L)(L)(L), ligand Lis ligand Lis and ligand Lis and OLEDs and formulations containing these compounds are disclosed. In Formula M(L)(L)(L); M is a metal; x is 1 or 2; X-Xand A-Aare C or N; at least one of A-Ais N; X is O, S, or Se; two adjacent Rform a six-member aromatic ring E fused to ring B; and each R-Rand RRis independently hydrogen or a substituent.

This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.

A novel compound having a first ligand Lof is disclosed. The compound is useful as emitter dopant in OLEDs.

A compound having a formula M(L)(L)(L), where ligand Lis ligand Lis and ligand Lis is disclosed. In formula M(L)(L)(L), M is a metal having an atomic number greater than 40; x is 1 or 2; y and z are independently 0, 1, or 2; x+y+z is the oxidation state of the metal M; A-Aare carbon or nitrogen; ring B is bonded to ring A through a C&#x2014;C bond; M is bonded to ring A through a M-C bond; X is O, S, Se, CRR', or NR; rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; at least one Ris a five-membered or six-membered heterocyclic ring which can be further substituted by R; each R substituent is independently selected from the several substituents; and any adjacent R substitutents are optionally joined to form a ring.

Novel ligands for metal complexes that are useful as phosphorescent emitters in OLEDs are disclosed. The ligands contain an aryl covalently bonded to the coordinating metal where the aryl group has at least two different alkyl side chains that are linked ortho and para compared to the linkage of the coordinating metal on that aryl group.

A compound having the formula (L)Ir(L), where Lis and Lis selected from is disclosed. In the formula (L)Ir(L), Land Lare different; each of Xto Xis C&#x2014;Ror nitrogen; X is selected from O, S, and Se; each R, R, R, R, R, and Ris hydrogen or a substituent; Ris alkyl, cycloalkyl, or a combination thereof; and m is 1 or 2. OLEDs, consumer products, and formulations including the compound are also disclosed.

A compound that has the structure according to Formula M(L)(L)(L)is disclosed. In Formula M(L)(L)(L), ligand Lis ligand Lis and ligand Lis and OLEDs and formulations containing these compounds are disclosed. In Formula M(L)(L)(L): M is a metal; x is 1 or 2; X-Xand A-Aare C or N; at least one of A-Ais N; X is O, S, or Se; two adjacent Rform a six-member aromatic ring E fused to ring B; and each R-Rand R-Ris independently hydrogen or a substituent.

Ligands for metal complexes that are useful as phosphorescent emitters in OLEDs are disclosed. The ligands contain an aryl group covalently bonded to the coordinating metal. The aryl group has a cycloalkyl or a substituted cycloalkyl that is linked para to the linkage of the coordinating metal on that aryl group.

Novel phosphorescent metal complexes containing ligands having the Formula I: bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission.

Growing community of inventors

Medford Lakes, NJ, United States of America

Harvey Wendt