Universal Display Corporation

Massachusetts Institute of Technology

University of Pennsylvania

Nicholas John Thompson

Michael Stuart Weaver

Michael Fusella

Michael G Hack

Vadim Adamovich

Tyler Fleetham

Jason Brooks

Julia J Brown

Jerald Feldman

Vinod M Menon

Hsiao-Fan Chen

Chun Lin

Peter Wolohan

Marc A Baldo

Eric A Margulies

Michael Stewart Weaver

Geza Szigethy

Zhiqiang Ji

Scott A Beers

Rasha Hamze

Morgan C Macinnis

William T Mayweather, Iii

Moungi G Bawendi

Vladimir Bulovic

George Fitzgerald

Sean Michael Ryno

Tongxiang (Aaron) Lu

Daniel Norbert Congreve

Ivan Milas

Mengfei Wu

Mark Edward Thompson

Pierre-Luc T Boudreault

Bin Ma

Peter I Djurovich

Christopher Bruce Murray

Cherie Renee Kagan

Scott Joseph

Jun Deng

Ting-Chih Wang

Woo-Young So

Douglas Williams

Morgan C MacInnis

Joseph A Macor

Mark W B Wilson

Glenn Morello

Noah Horwitz

Charles J Stanton, Iii

Raghupathi Neelarapu

Renata Saramak

Katarina Rohlfing

Olexandr Tretyak

Michael O'Connor

David E Paller

Fadi M Jradi

Henry Carl Herbol

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

Organic electroluminescent materials and devices

Provided are organometallic compounds based on platin or palladium and their various uses including as emitters in devices having the structure of Formula I comprising at least four rings as defined herein. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices and related consumer products that utilize these compounds.

Techniques are provided for depositing a monolayer of nanoparticles over an OLED or comparable device. In combination with an enhancement layer disposed within a threshold distance of an emissive layer of the OLED, the nanoparticles may be used to provide a nanopatch antenna or otherwise improve the performance of the OLED.

Application of nanoparticles for plasmon energy extraction in organic devices

A compound of Formula I, or Formula II, is provided. In Formulae I and II, M is Pt or Pd; each R, R, R, R, R, R, R, R, and Ris hydrogen or one of the General Substituents; Ris one of the General Substituents; at least one of R, R, and Ris not hydrogen; any two of R, R, R, R, R, R, R, R, and Rmay be joined or fused together to form a ring; and R, R, and Rtogether comprise at least one heterocyclic group or at least two carbocyclic groups; with the proviso that at least one of Rand Rcomprises a cyclic group when Ris one of five specific moieties.

Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

Organic electroluminescent devices

Emissive devices are provided that include an outcoupling layer having a plurality of nanoparticles such that the outcoupling layer has at least 3 regions possessing distinct bulk refractive index values. One or more dielectric materials are arranged at least partially between the outcoupling layer and an emissive layer of the device.

A compound having a structure of Formula I, is provided. In Formula I, Zto Zare each CR or N; three consecutive ones of Zto Zwithin the same ring cannot be N; each R is independently a hydrogen or a substituent selected from a variety of substituents; at least one R includes and electron donor substituent; at least one R includes an electron acceptor substituent; and any two Rs on the same ring can be joined or fused together to form a ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.

An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positioned no more than a threshold distance away from the organic emissive layer, wherein the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer, and the threshold distance is where the total non-radiative decay rate constant is equal to the total radiative decay rate constant; and an outcoupling layer disposed over the enhancement layer, wherein the outcoupling layer scatters radiative energy from the enhancement layer to free space.

Provided is an OLED that includes, sequentially: an anode; a first emissive region; and a cathode; wherein the first emissive region comprises: a first compound; and a second compound; wherein the first compound is capable of functioning as a perovskite emitter in an OLED; wherein the second compound is capable of functioning as an emitter in an OLED, wherein the second compound is selected from the group consisting of phosphorescent emitters, fluorescent emitters, and delayed fluorescent emitters.

Provided is an OLED structure includes an organic layer having a primary phosphorescent emitter and a first host; where one of the following conditions is true: (1) the organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer where the second organic layer includes a secondary emitter. The primary phosphorescent emitter has a peak emission wavelength λmax that is ≥600 nm and ≤750 nm; the secondary emitter has a peak emission wavelength λmax that is ≥750 nm; the primary phosphorescent emitter is capable of transferring energy to the secondary emitter; the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter; the primary phosphorescent emitter has the formula Pt(L); Lcan represent one or more ligands that are the same or different; each Lis independently monodentate or multidentate; and m represents a maximum possible number of ligands Lthat can coordinate to Pt.

Provided are multi-NBN host compounds. The compound has the structure of Formula I: Also provided are formulations comprising these multi-NBN host compounds. Further provided are OLEDs and related consumer products that utilize these multi-NBN host compounds.

Embodiments of the disclosed subject matter provide an emissive layer, a first electrode layer, a plurality of nanoparticles and a material disposed between the first electrode layer and the plurality of nanoparticles. In some embodiments, the device may include a second electrode layer and a substrate, where the second electrode layer is disposed on the substrate, and the emissive layer is disposed on the second electrode layer. In some embodiments, a second electrode layer may be disposed on the substrate, the emissive layer may be disposed on the second electrode layer, the first electrode layer may be disposed on the emissive layer, a first dielectric layer of the material may be disposed on the first electrode layer, the plurality of nanoparticles may be disposed on the first dielectric layer, and a second dielectric layer may be disposed on the plurality of nanoparticles and the first dielectric layer.

Provided are compounds, formulations comprising compounds, and devices that utilize compounds, where the devices include a substrate, a first electrode, an organic emissive layer comprising an organic emissive material disposed over the first electrode. The device includes an enhancement layer, comprising a plasmonic material exhibiting surface plasmon resonance that non-radiatively couples to the organic emissive material and transfers excited state energy from the organic emissive material to the non-radiative mode of surface plasmon polaritons. The enhancement layer is provided no more than a threshold distance away from the organic emissive layer, where the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer. At least one of the organic emissive material and the organic emissive layer has a vertical dipole ratio (VDR) value of equal or greater than 0.33.

Embodiments of the disclosed subject matter provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color that is a red-shifted color of a deep blue sub-pixel of the plurality of sub-pixels. Embodiments of the disclosed subject matter may also provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color, and where the plurality of sub-pixels comprise a light blue sub-pixel, a deep blue sub-pixel, a red sub-pixel, and a green sub-pixel.

Growing community of inventors

Trenton, NJ, United States of America

Nicholas John Thompson