Universal Display Corporation

Zhiqiang Ji

Jui-Yi Tsai

Alexey Borisovich Dyatkin

Pierre-Luc T Boudreault

Lichang Zeng

Walter H Yeager

Chun Lin

Chuanjun Xia

Wei-Chun Shih

Eric A Margulies

Bin Ma

Suman Layek

Edward Barron

Mingjuan Su

Jerald Feldman

Bert Alleyne

Alan Deangelis

Hsiao-Fan Chen

Tyler Fleetham

Michael Stuart Weaver

Michael Stewart Weaver

Tongxiang Lu

Julia J Brown

Geza Szigethy

George Fitzgerald

Miguel A Esteruelas

Rasha Hamze

Paul M Lahti

Sean Michael Ryno

Jason Brooks

Nicholas John Thompson

Peter Wolohan

Morgan C Macinnis

Enrique Oñate

Vadim Adamovich

Harvey Wendt

Ting-Chih Wang

Woo-Young So

Daniel W Silverstein

Alan DeAngelis

Joseph A Macor

Ana M Lopez

Noah Horwitz

Diana Drennan

Esther Raga

James J Fiordeliso

Scott Joseph

Morgan C MacInnis

Tongxiang (Aaron) Lu

Llorenç Benavent

Wystan Neil Palmer

Ana Lopez

Ainhoa San Torcuato

Derek Ian Wozniak

Elena Sheina

Erik Mora

Ting-Chih (Carina) Wang

Enrique Onate

Neil Palmer

Provided is a compound including a first ligand Lof Formula I In Formula I, ring C is a 5- or 6-membered ring; each of Xto Xis C or N; one of Xto Xis C and is connected to ring C, and one of Xto Xis N and is coordinated to a metal M; Y is a divalent linker; K is a direct bond, O, or S; each R', R″, R, R, and Ris hydrogen or a general substituent; at least one of Ror Rcomprises an electron-withdrawing group; at least one of Ris a cyclic group; and metal M is selected from Os, Ir, Pd, Pt, Cu, Ag, and Au. Formulations, devices, and consumer products comprising the compound are also disclosed.

Organic electroluminescent materials and devices

Compounds having a particular molecular shape that makes transition dipole moments (TDM) of the compounds in an EML align within the plane of the EML and produce the maximum light extraction effect are disclosed.

Novel compounds that contain azadibenzofuran, azadibenzothiophene, and azadibenzoselenophene with fused rings that can be used as a host material in phosphorescent OLEDs are disclosed.

Metal complexes with cyclic ligands having Formula (I), are disclosed. Ligands with cyclic structure are believed to be beneficial to the rigidity and stability of the metal complexes, which is desirable for improving OLED device performance.

A compound comprising a ligand Lcomprising a moiety L having a structure of Formula I is provided. In Formula I, Lcoordinated to a metal M; Ais selected from B, N, P, P═O, P═S, Al, Ga, SiR″, GeR″, and SnR″; where rings A, B, and C are 5- or 6-membered rings; Y, Y, and Yare selected from direct bonds, the metal M, and a variety of linkers; a+b+c=2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.

A compound including a bidentate ligand Lthat includes a moiety of Formula I, is described. In Formula I, ligand Lis coordinated to a metal M by two bonds, and (i) both bonds are with Formula I, and if the metal M is coordinated by a direct bond to a nitrogen of ring C or ring D, then at least one of ring A, ring B, ring C, and ring D is not a benzene ring; or (ii) one of the two bonds is with Formula I, and the other bond is with Formula II which is attached to one of rings A, B, C, or D. In addition, each of ring A, ring B, ring C, ring D, and, if present, ring E is a 5-membered or 6-membered ring; each R, R, R, R, and Ris a hydrogen or one of a variety of substituents.

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

The present invention discloses novel Pt(IV) compounds useful for enhancing the performance of organic electroluminescent devices.

Provided are compounds of Formula Ir(L)(L)wherein:

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 comprising a ligand Lof Formula I, where G has a structure of is disclosed. In ligand L, Ring C is a 5-membered or 6-membered ring; K is a direct bond, O, or S; when K is O or S, Xis C; each of R, R, and Ris H or a substituent, and can be joined together to form a ring; each of Xto Xis independently C or N; Xis C if it is connected to ring C; the Rsubstituents of at least two adjacent ones of Xto Xare joined to form a ring; and the ligand Lis complexed to Ir through the two indicated dash lines to form a 5-membered chelate ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

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.

A compound including a first ligand Lof is disclosed. In the structure of Formula I, one of Land Lis C, and the other is N; Yto Yare each C or N; at least two adjacent Y, Y, Y, and Yare carbon atoms that are fused to a structure of Zand Zare each O, S, Se, NR, CRR', or SiRR′; and each R, R′, R, R, R, and Ris hydrogen or a substituent; and any two substituents may be joined or fused together to form a ring. In the compound, Lis complexed to a metal M by Land L, and M has an atomic weight greater than 40. Organic light emitting devices and consumer products containing the compounds are also disclosed.

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Ewing, NJ, United States of America

Zhiqiang Ji