Universal Display Corporation

Other

Scott Joseph

Chuanjun Xia

Pierre-Luc T Boudreault

Alexey Borisovich Dyatkin

Lichang Zeng

Bert Alleyne

Vadim Adamovich

Ting-Chih Wang

Walter H Yeager

Hitoshi Yamamoto

Harvey Wendt

Raymond Kwong

Michael Stewart Weaver

Gregg Kottas

Mingjuan Su

Chun Lin

Suman Layek

Zeinab M Elshenawy

David Zenan Li

James R Esler

Bin Ma

James J Fiordeliso

Zhiqiang Ji

Jason Brooks

Michael Stuart Weaver

Nicholas John Thompson

Hsiao-Fan Chen

Chi Hang Lee

Siu Tung Lam

Daniel W Silverstein

Zeinab Elshenaway

Bert Alleyene

Organic electroluminescent materials and devices

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 compound having an ancillary ligand Lhaving the formula: Formula I is disclosed. The ligand Lis coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

A composition of materials including a first compound having a structure according to Formula I

A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The first compound has at least one aromatic ring with at least one substituent R of Formula I In the structure of Formula I, R′ includes at least one fluorine atom; R′ represents mono to a maximum possible number of substitutions, or no substitution; each Ris a hydrogen or one of a variety of substituents; L is an organic linker or direct bond; any two R, Rsubstituents may be joined or fused together to form a ring; the dashed line of Formula I is a bond to a first aromatic ring of the at least one aromatic ring; and n is an integer from 1 to 10. Organic light emitting devices and consumer products containing the compounds are also disclosed.

A compound having a formula M(L)(L)(L)is provided. In the compound of M(L)(L)(L), ligand Lis ligand Lis and ligand Lis In addition, M is a metal having an atomic mass greater than 40, x is 1, 2, or 3, and y and z are independently 0, 1, or 2. In the compound, Zis carbon or nitrogen; one of Zto Zis nitrogen and three of Zto Zare carbon substituted by R, and rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring. Each R, R, R, and Ris independently selected from a group of substituents, where at least one Ris heteroaryl, which can be further substituted, and any adjacent substitutents are optionally joined or fused into a ring. Formulations and devices, such as OLEDs, that include the first compound are also provided.

Organic electroluminescent compounds and devices

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.

Devices containing novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds can exhibit delayed fluorescence in the devices.

A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.

Novel organic metal complexes containing fused isoquinoline type ligands useful as emitters for near infrared OLED devices are disclosed. Such a compound has a first ligand Lhaving the Formula: 

A composition of materials including a first compound having a structure according to Formula I 

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 premixed co-evaporation source that is a mixture of a first compound and a second compound is disclosed. The co-evaporation source is for vacuum deposition process. The first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. At least one of the first compound and the second compound is a fluorescent or delayed fluorescent emitter. The first compound has an evaporation temperature T1 of 100 to 400&#xb0; C.; the second compound has an evaporation temperature T2 of 100 to 400&#xb0; C.; the absolute value of T1&#x2212;T2 is less than 20&#xb0; C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating the mixture in a high vacuum deposition tool with a chamber base pressure between 1&#xd7;10Torr to 1&#xd7;10Torr, at a 2 &#x212b;/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated. The absolute value of (C1&#x2212;C2)/C1 is less than 5%.

A compound including a first ligand Lof Formula I is disclosed.

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.

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Ewing, NJ, United States of America

Scott Joseph