Universal Display Corporation

Ting-Chih Wang

Chuanjun Xia

Vadim Adamovich

Lichang Zeng

Alexey Borisovich Dyatkin

Bin Ma

Walter H Yeager

Scott Joseph

Pierre-Luc T Boudreault

Michael Stewart Weaver

Zeinab M Elshenawy

Bert Alleyne

Chun Lin

Hitoshi Yamamoto

Zhiqiang Ji

Jui-Yi Tsai

Jason Brooks

Michael Stuart Weaver

Nicholas John Thompson

Gregg Kottas

Alan Deangelis

Suman Layek

Harvey Wendt

Edward Barron

Mingjuan Su

Kwang-Ohk Cheon

Jerald Feldman

James J Fiordeliso

Wei-Chun Shih

Morgan C MacInnis

Joseph A Macor

Noah Horwitz

Derek Ian Wozniak

Zeinab Elshenaway

Henry Carl Herbol

Bert Alleyene

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

A composition comprising a first compound and a second compound, wherein the first compound has a formula selected from the group consisting of wherein the second compound has the formula is disclosed.

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. The first and second compounds can have an evaporation temperature Tand T, respectively, of 150 to 350° C., and the absolute value of T-Tcan be less than 20° C. The first compound can have a concentration Cin the mixture and a concentration Cin a film formed by evaporating the mixture in a vacuum deposition tool at a constant pressure between 1×10Torr to 1×10Torr, at a 2 Å/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated, where the absolute value of (C−C)/Cis less than 5%.

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

A novel compound selected from is disclosed.

A compound containing indolocarbazole having a formula: Formula I is disclosed.

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 method for fabricating an OLED using a mixture that is an evaporation source for a vacuum deposition process includes providing a container that contains the mixture, providing a substrate having a first electrode disposed thereon, depositing an organic layer over the first electrode by evaporating the mixture in the container in a high vacuum deposition tool, and depositing a second electrode over the organic layer.

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.

A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.

Compounds containing indolocarbazole compounds of Formula I or Formula II comprising terphenyl groups and compounds of Formula III comprising triazine groups are disclosed in this application. These compounds are useful for application in organic electroluminescent devices. 

A novel composition formed of a first compound is disclosed where the first compound is selected from 

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

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%.

An organic light emitting device (OLED) that includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, the organic layer comprising a light-emitting dopant within a host material, the host material including an optically active host compound; wherein one enantiomer of the optically active host compound is present in an enantiomeric excess (ee) of at least 75%. A consumer product that includes the OLED.

Growing community of inventors

Lawrenceville, NJ, United States of America

Ting-Chih Wang