Universal Display Corporation

University of Southern California

Jui-Yi Tsai

Alexey Borisovich Dyatkin

Zhiqiang Ji

Walter H Yeager

Pierre-Luc T Boudreault

Chuanjun Xia

Chun Lin

Bin Ma

Robert W Walters

Lichang Zeng

Scott A Beers

Miguel A Esteruelas

Cory S Brown

Mingjuan Su

David B Knowles

Edward Barron

Jason Brooks

Gregg Kottas

Peter Borden Mackenzie

Bert Alleyne

Jerald Feldman

Eric A Margulies

Peter B MacKenzie

Mark Edward Thompson

Enrique Oñate

Suman Layek

Ana M Lopez

Alan Deangelis

Michael Stewart Weaver

Peter I Djurovich

Hsiao-Fan Chen

Raymond Kwong

Wei-Chun Shih

Tyler Fleetham

Jun Deng

Morgan C Macinnis

Alan DeAngelis

Adrian U Palacios

Enrique Onate

Michael S Barone

Julia J Brown

Zeinab M Elshenawy

Woo-Young So

Rasha Hamze

Sean Michael Ryno

Sonia Bajo

Montserrat Oliván

Peter Borden MacKenzie

Peter Wolohan

Arnold Tamayo

Ainhoa San Torcuato

Esther Raga

Llorenç Benavent

Vadim Adamovich

James J Fiordeliso

Harvey Wendt

Geza Szigethy

Nasrin Ansari

Morgan C MacInnis

Paul M Lahti

Ed Barron

Lech Michalski

Gregory S Kottas

Roberto Gomez Alabau

Erik Mora

Daniel Gomez-Bautista

Michael Stuart Weaver

George Fitzgerald

Ting-Chih Wang

Tongxiang Lu

Tongxiang (Aaron) Lu

Noah Horwitz

Tissa Sajoto

Ana Lopez

Elena Sheina

Beatriz Eguillor Armendariz

Enrique Oñate Rodriguez

Montserrat Olivan

Zeinab Elshenaway

Enrique Onate Rodriguez

Montserrat Olivan Esco

Miguel A Esteruelas Rodrigo

Tamara Bolano

Gregory Kottas

Roberto G Alabau

Walter H Yaeger

Enrique OÑATE

Raymond C Kwong

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.

Organic electroluminescent materials and devices

Provided is a new class of phosphorescent emitters. The inventive emitters feature a benzimidazole phenoxide ligand, which is connected via 'top linkers' to form novel tetradentate ligands. These phosphorescent emitters are Pt tetradentate complexes when used in OLEDs as emitters improves device external quantum efficiency (EQE) and operational lifetimes.

Provided are organometallic compounds including a ligand Lof a structure of Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Compound of Formula I, is provided. In Formula I, rings A, B, C, and D are 5- or 6-membered rings; each of X-X, X-X, and Z-Zis C or N; each of L, L, and Lis selected from a direct bond or a divalent linker; each of a and b is 0 or 1; Y is O, S, Se, or NR; W is O, S, NR, C═R, or CRR; up to 1 of Zto Zis N; each R, R', R, R, R, R, R, R, and Ris hydrogen or a substituent. Formulations, OLEDs, and consumer products containing the same are also disclosed.

Provided are Platinum and Iridium complexes with spiro[]nonane and analogs-including ligands. Also provided are formulations including these Platinum and Iridium complexes with spiro[]nonane and analogs-including ligands. Further provided are OLEDs and related consumer products that utilize these Platinum and Iridium complexes with spiro[]nonane and analogs-including ligands.

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.

Provided are iridium complexes having a ligand Lof Formula I Also provided are formulations comprising these iridium complexes. Further provided are OLEDs and related consumer products that utilize these iridium complexes.

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 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 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.

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.

A compound including a first ligand Lselected from the following group: is disclosed.

Disclosed is a device that includes an emissive material or region including a host that is doped with a first material as an emitter that is an acceptor and a phosphorescent-capable second material as a sensitizer. The first material and the second material each has a first singlet state and a first triplet state. The first triplet state of the second material is not lower than the first triplet state of the first material. The second material transfers excitons to the first material and the excitons that transition to the first triplet state of the first material can be activated to the first singlet state of the first material through a thermal activation process.

Phosphorescence-sensitized delayed fluorescence light emitting system

Provided are organometallic compounds including a ligand Lhaving a structure of Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Growing community of inventors

Newtown, PA, United States of America

Jui-Yi Tsai