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

David B Knowles

Edward Barron

Mingjuan Su

Jason Brooks

Gregg Kottas

Peter Borden Mackenzie

Bert Alleyne

Eric A Margulies

Peter B MacKenzie

Mark Edward Thompson

Jerald Feldman

Enrique Oñate

Suman Layek

Ana M Lopez

Alan Deangelis

Michael Stewart Weaver

Peter I Djurovich

Raymond Kwong

Jun Deng

Wei-Chun Shih

Michael S Barone

Enrique Onate

Adrian U Palacios

Julia J Brown

Zeinab M Elshenawy

Hsiao-Fan Chen

Woo-Young So

Morgan C Macinnis

Alan DeAngelis

Peter Borden MacKenzie

Sonia Bajo

Montserrat Oliván

Tyler Fleetham

Arnold Tamayo

Sean Michael Ryno

Llorenç Benavent

Ainhoa San Torcuato

Esther Raga

Vadim Adamovich

James J Fiordeliso

Peter Wolohan

Harvey Wendt

Geza Szigethy

Nasrin Ansari

Rasha Hamze

Morgan C MacInnis

Paul M Lahti

Ed Barron

Lech Michalski

Gregory S Kottas

Erik Mora

Daniel Gomez-Bautista

Roberto Gomez Alabau

Michael Stuart Weaver

George Fitzgerald

Ting-Chih Wang

Tongxiang Lu

Tongxiang (Aaron) Lu

Noah Horwitz

Tissa Sajoto

Ana Lopez

Elena Sheina

Beatriz Eguillor Armendariz

Miguel A Esteruelas Rodrigo

Montserrat Olivan Esco

Enrique Onate Rodriguez

Zeinab Elshenaway

Montserrat Olivan

Enrique Oñate Rodriguez

Tamara Bolano

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.

Organic electroluminescent materials and devices

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

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.

Provided are multicyclic organic electroluminescent compounds having a ligand Lof Formula I shown below: Also provided are OLEDs and related consumer products that contain an organic layer having these organic electroluminescent compounds.

Provided are organometallic compounds having a structure of Formula I: Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic 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.

Novel Iridium complexes having three different bidentate ligands useful for phosphorescent emitters in OLEDs are disclosed. At least one of the three different bidentate ligands is a carbene ligand.

Provided is a new composition of matter for phosphorescent emitters containing a chelating ligand comprised of a fused heterocyclic structure containing boron. The disclosed ligands form two bonds to the metal forming a 6-membered chelate and can be further substituted to form tridentate or tetradentate ligands.

An OLED including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes a compound having the formula [L]Ir[L]is disclosed. In the formula, Lis

A compound having a structure of Formula I In Formula I, M is Pd or Pt; each of Xto Xis independently C or N; ring A is a 5-membered or 6-membered ring; Kand Kare selected from a direct bond, O, S, and NR; Lis an organic linker; Yis selected from O, S, BR, PR, Se and NR; each R, R, R, R, R, and Ris hydrogen or a substituent; and any two substituents can be joined or fused to form a ring. Further provided are OLEDs and related consumer products that utilize these compounds.

Growing community of inventors

Newtown, PA, United States of America

Jui-Yi Tsai