Universal Display Corporation

Idemitsu Kosan Company, Limited

Other

Hodogaya Chemical Co., Ltd.

Nippon Steel & Sumikin Chemical Co., Ltd.

Michael Stewart Weaver

Vadim Adamovich

Chuanjun Xia

Michael G Hack

Julia J Brown

Bert Alleyne

Hitoshi Yamamoto

Alan Deangelis

Alexey Borisovich Dyatkin

Raymond Kwong

Lichang Zeng

James J Fiordeliso

Bin Ma

Jui-Yi Tsai

Walter H Yeager

Nasrin Ansari

Brian D'Andrade

Min-Hao Michael Lu

Dinesh Rayabarapu

Pierre-Luc T Boudreault

Scott Joseph

Ting-Chih Wang

Zhiqiang Ji

Nicholas John Thompson

Mingjuan Su

James R Esler

Jason Brooks

Eric A Margulies

Chun Lin

Kazuki Nishimura

Toshihiro Iwakuma

Edward Barron

Peter Levermore

David Zenan Li

Yeh-Jiun Tung

Theodore Zhou

Chishio Hosokawa

Scott A Beers

Mitsunori Ito

David B Knowles

Peter Borden Mackenzie

Marc A Baldo

Xin Xu

Woo-Young So

Michael Fusella

Vinod M Menon

Michael S Barone

Lech Michalski

Masahiro Kawamura

Vladimir Bulovic

Toshinari Ogiwara

Peter I Djurovich

Norimasa Yokoyama

Hsiao-Fan Chen

Tetsuya Inoue

Takahiro Kai

Louis D Silverstein

Toshihiro Yamamoto

Geza Szigethy

Jun Deng

Naoaki Kabasawa

Masaki Komori

Makoto Nagaoka

Kwang-Ohk Cheon

Glenn Morello

Mark A Rothman

Lou Silverstein

Yeh Tung

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 &#x212b;.

Organic electroluminescent materials and devices

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.

OLED device having enhancement layer(s)

An apparatus that includes a plurality of OLEDs provided on a first substrate is disclosed. Each OLED includes a first electrode, a second electrode disposed over the first electrode, and an organic electroluminescent material disposed between the first and the second electrodes. The apparatus also includes a first capping layer that is disposed over the second electrode of at least a first portion of the plurality of OLEDs such that the first capping layer is optically coupled to at least the first portion of the plurality of OLEDs, and a second capping layer. The second capping layer is disposed over the second electrode of at least a second portion of the plurality of OLEDs such that the second capping layer is optically coupled to the second portion of the plurality of OLEDs but not the first portion of the plurality of OLEDs, and the second portion of the plurality of OLEDs is different from the first portion of the plurality of OLEDs.

Non-common capping layer on an organic device

Device structures are provided that include one or more plasmonic OLEDs and zero or more non-plasmonic OLEDs. Each plasmonic OLED includes an enhancement layer that includes a plasmonic material which exhibits surface plasmon resonance that non-radiatively couples to an organic emissive material and transfers excited state energy from the emissive material to a non-radiative mode of surface plasmon polaritons in the plasmonic OLED.

Plasmonic PHOLED arrangement for displays

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 compound having a formula (L)Ir(L)having a structure selected from is disclosed. In the structures of formula (L)Ir(L), m is 1 or 2, R, R, R, R, and Rare each independently selected from hydrogen, deuterium, C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof, and, Ris selected from C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof.

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.

Embodiments of the disclosed subject matter may provide a wearable device that includes an organic light emitting diode (OLED) light source to output light. At least one emissive layer of the OLED light source of the wearable device may have a plurality of segments that are independently controllable to output the light at a duty cycle of less than 100%. The OLED light source of the wearable device may be encapsulated.

Wearable OLED illumination device

A compound of: is disclosed. In Formula IV, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sphybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L' is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.

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 &#x394;.

A composition of matter that includes a novel combination of host compounds containing indol-fused hosts and emissive dopants containing benzofuran or azabenzofuran ligand is disclosed,

The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.

Color stable organic light emitting diode stack

A dual host system for OLEDs that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the OLEDs is disclosed.

Growing community of inventors

Princeton, NJ, United States of America

Michael Stewart Weaver