Princeton University

University of Michigan

University of Southern California

Other

Universal Display Corporation

American Telephone & Telegraph Co., At&t Bell Laboratories

At&t Bell Laboratories

Hughes Aircraft Company

Industry-Academic Cooperation Foundation, Dankook University

Hewlett-packard Development Company, L.P.

Bell Telephone Laboratories

Boston University

Usc Corporation

The Trustees of Frinceton University

Forrest, Stephen R.

Stephen R Forrest

Mark Edward Thompson

Paul E Burrows

Vladimir Bulovic

Marc A Baldo

Jeramy David Zimmerman

Kyusang Lee

Barry P Rand

Peter Peumans

Max Shtein

Michael Slootsky

Gregory McGraw

Chihaya Adachi

Peter I Djurovich

Sergey Lamansky

Richard Royal Lunt

Andrei Shoustikov

Brian E Lassiter

Yujian You

Raymond Kwong

Jiangeng Xue

Xin Xu

Milind R Gokhale

Fan Yang

Xin Xiao

Gong Gu

Scott F Sibley

Changsoon Kim

Yue Qu

Soichi Uchida

Linda Susan Sapochak

Noel Christopher Giebink

Dennis Matthew McCarty

Drew Murphy

Feras Abdel-Razzaq

Vadim Adamovich

Brian D'Andrade

Dmitri Z Garbuzov

Christopher Kyle Renshaw

Pavel V Studenkov

Xiangfei Qi

Yongxi Li

Dejiu Fan

Kuen-Ting Shiu

Viacheslav V Diev

Kenneth Hanson

Guodan Wei

Yifan Zhang

Jongchan Kim

Gautam Parthasarathy

Yiru Sun

Michael G Hack

Vinod M Menon

Xiaofan Ren

Mark C Thompson

Richard L Panock

Caleb Coburn

Peter Djurovic

Vladimir Sinisa Ban

Siddharth Harikrishna Mohan

Fengnian Xia

Jaesang Lee

Zilan Shen

Julian Cheng

Cong Trinh

Siyi Wang

Elizabeth Mayo

Bryan E Koene

Ning Li

Hiroshi Kanno

Jason Brooks

Bert Alleyne

Gregory L Tangonan

Paul A Kohl

Yusuke Ota

Arnold Tamayo

David J Bishop

Paul H Schmidt

De Yu Zang

Michael S Arnold

Jun Yeob Lee

Theodore Zhou

Andrej Lenert

Martin L Kaplan

Yong Joo Cho

John R Zuber

Haiping Hong

Muazzam Idris

Carsten Borek

Julia J Brown

Nicos A Petasis

Jeffrey J Schwartz

Craig M Perlov

Vladimir G Kozlov

Thirumalai N Venkatesan

Anthony Grbic

Richard G Smith

Jun Yeop Lee

Byung Doo Chin

An optoelectronic device comprises an anode, an emissive layer positioned over the anode, a charge generation layer stack positioned over the emissive layer, the charge generation layer stack comprising at least one hole transport layer and at least one electron transport layer positioned over the hole transport layer, and a cathode positioned over the charge generation layer stack. Other organic optoelectronic devices are also disclosed.

Optoelectronic device including charge generation layer stack

An organic photovoltaic device comprises a first electrode, at least one organic heterojunction layer positioned over the first electrode, a second electrode positioned over the organic heterojunction layer, and a thin film stack positioned over the second electrode, comprising a plurality of sublayers of a first dielectric material alternating with a plurality of sublayers of a second dielectric material, wherein at least one of the plurality of sublayers of the first dielectric material has a thickness that is different from another of the plurality of sublayers of the first dielectric material, wherein the organic photovoltaic device has a mean transmittance of between 10% and 100% for light between 420 nm and 670 nm, with a variance of ±10%, and wherein an index contrast between the sublayers in the thin film stack is at least 0.1. A method of fabricating an organic photovoltaic device is also disclosed.

High efficiency, color neutral, semi-transparent organic photovoltaics for energy harvesting windows

The present disclosure relates to organic photosensitive devices comprising a substrate; a first electrode disposed over the substrate; a second electrode disposed over the first electrode; a photoactive region positioned between the first electrode and the second electrode; and at least one reflector disposed over the second electrode, wherein the at least one reflector is configured to at least partially reflect one or more desired wavelengths. Also disclosed are methods of preparing photosensitive devices having at least one reflector configured to at least partially reflect one or more desired wavelengths.

Organic photosensitive devices with reflectors

The present invention relates to mixed blocking layers and devices, such as organic light emitting diodes and other devices, including the same.

Organic light emitting diode having a mixed blocking layer

An organic photovoltaic device comprises an anode and a cathode, an active layer positioned between the anode and the cathode, comprising a first donor material and a first acceptor material in a first ratio, and an interface layer positioned between the anode and the cathode, comprising a second donor material and a second acceptor material in a second ratio. A method of fabricating an organic photovoltaic device and an organic photovoltaic device produced with the disclosed methods are also disclosed herein.

Acceptor bottom layer for organic photovoltaics

Organic photovoltaic cells (OPVs) and their compositions are described herein. In one or more embodiments, the acceptor with an active layer of an OPV includes is a non-fullerene acceptor. Such non-fullerene acceptors may provide improved OPV performance characteristics such as improved power conversion efficiency, open circuit voltage, fill factor, short circuit current, and/or external quantum efficiency. One example of a non-fullerene acceptor is (4,4,10,10-tetrakis(4-hexylphenyl)-5,11-(2-ethylhexyloxy)-4,10-dihydro-dithienyl[1,2-b:4,5b']benzodi-thiophene-2,8-diyl) bis(2-(3-oxo-2,3-dihydroinden-5,6-dichloro-1-ylidene) malononitrile.

Organic photovoltaic cells and non-fullerene acceptors thereof

Implementations of the disclosed subject matter provide a window, an energy and light producing device including at least one transparent photovoltaic device and at least one non-transparent Organic Light Emitting Device (OLED) in an optical path of the window. A controller may control the operation of the non-transparent OLED of the energy and light producing device. An energy storage device may be electrically coupled to the controller and the energy and light producing device to store energy generated by the transparent photovoltaic device and to power the non-transparent OLED. In some implementations, a LED or OLED may be mounted in the frame of the window and may be powered by the energy storage device.

Integrated photovoltaic window and light source

Devices, systems, and techniques are provided for improved OVJP deposition using a shutter disposed within the OVJP print head, between the print head inlet and the nozzle outlets. An OVJP print head as disclosed includes an inlet for organic material entrained in a carrier gas, a micronozzle array outlet, and a shutter disposed in the gas flow path between the inlet and the micronozzle array outlet. The shutter allows for rapid cutoff of carrier gas flow through the print head with extremely low latency.

Pneumatic shutters to control organic vapor jet printing

An organic electronic optoelectronic device comprises a substrate, a first electrode positioned over the substrate, a first organic buffer layer positioned over the first electrode, and a first inorganic emissive layer positioned over the first organic buffer layer. A method of fabricating an organic optoelectronic device is also disclosed.

Hybrid organic-inorganic light emitting device

A method of fabricating an organic optoelectronic device comprises positioning a patterning layer over a substrate, etching the patterning layer using a photolithographic process to create an etched patterning layer, positioning a layer of an organic material over the etched patterning layer, and removing at least a portion of the etched patterning layer and at least a portion of the layer of the organic material to create a patterned organic layer over the substrate.

Peel-off patterning method for fabrication of organic optoelectronic devices

A method of fabricating a light emitting device comprises providing a mold having an unpolished surface with an arithmetic mean roughness Rin a range from 0.1 μm to 10 μm, depositing a thin polymer film over the surface of the mold, wherein the film has a thickness in a range from 1 μm to 100 μm, positioning a light emitting body onto the thin polymer film, wherein the light emitting body includes an anode, a cathode, and a light emitting layer positioned between the anode and the cathode, and separating the thin polymer film with the light emitting body from the mold. A light emitting device is also described.

Flexible electronic display device

An optoelectronic device comprises a first electrode; a first host material layer positioned over the first electrode; a second host material layer positioned over the first host material layer; at least one ultrathin dopant layer positioned between the first and second host material layers, the at least one ultrathin dopant layer having a thickness of less than 2 Å; and a second electrode positioned over the second host material layers. Other organic optoelectronic devices are also disclosed.

Optoelectronic device including ultrathin dopant layers

A method for fabricating an organic electronic device comprises providing a plurality of photoresist structures on a substrate, the substrate having a first electrode layer, the photoresist structures having a bottom surface attached to the substrate and a top surface opposite the bottom surface, the top surface having a dimension greater than a dimension of the bottom surface, positioning a mask over the structures, the mask having a plurality of openings, and depositing an emissive material over the substrate through at least one of the plurality of openings to form at least one emissive element. An organic electronic device and a method of fabricating an organic electronic component are also described.

System and method for organic electronic device patterning

An organic electronic device comprises a substrate, at least one morphological stabilizing layer positioned over the substrate, the morphological stabilizing layer comprising a material having a Tgreater than 50° C., and at least one organic layer positioned in direct contact with the morphological stabilizing layer. A method of making an organic electronic device is also disclosed.

Optoelectronic device including morphological stabilizing layer

The present invention relates in part to an asymmetric non-fullerene acceptor compound for use in organic photovoltaic (OPV) devices. The invention also relates in part to an OPV device comprising an asymmetric non-fullerene acceptor compound.

Asymmetric non-fullerene acceptor and organic photovoltaic device comprising the same

Growing community of inventors

Ann Arbor, MI, United States of America

Stephen R Forrest