Universal Display Corporation

Princeton University

Nanosys, Inc.

Shoei Chemical Inc.

Kent State University

Udc Ireland Limited

Ruiqing Ma

Emory Krall

Michael G Hack

Prashant Mandlik

Julia J Brown

Huiqing Pang

Jeffrey Silvernail

Jason Paynter

Paul E Burrows

Peter Levermore

Kamala Rajan

Gregory McGraw

Sigurd Richard Wagner

Christian Justus Ippen

William E Quinn

Lin Han

Luke Walski

Benjamin Newmeyer

Siddharth Harikrishna Mohan

Eoin Billings

Duncan Jackson

Chaoyu Xiang

Daekyoung Kim

Deng-ke Yang

Mauro Premutico

Jesse Robert Manders

Diego Barrera

Chuanjun Xia

John Thomas Felts

Donald A Zehnder

Yue Cui

Dylan Charles Hamilton

Jason T Hartlove

Charles Hotz

Emma Dohner

Bhadrinarayana Lalgudi Visweswaran

Renata Saramak

Donald Zehnder

Jeff Silvernail

Chun Lin

Michael Stuart Weaver

Xin Xu

David Olmeijer

Wenzhou Guo

Ernest Lee

Brian D'Andrade

Woo-Young So

John Joseph Curley

Deng-Ke Yang

Yeewah Annie Chow

Alexander Tu

Michael O'Connor

Jesse R Manders

Zhaoqun Zhoi

Zhaoqun Zhou

Rajan Kamala

Jeffery Silvernail

Ken Urbanik

Gregory Mcgraw

Candice H Brown Elliot

Jeffrey A Silvernail

Siddharth Harikrishna

A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device.

Electronic device with reduced non-device edge area

The invention is in the field of nanostructure synthesis. Provided are highly luminescent nanostructures, particularly highly luminescent quantum dots, comprising a nanocrystal core/shell and a thin metal oxide on the outer shell of the nanostructure. Also provided are methods of preparing the nanostructures, films comprising the nanostructures, and devices comprising the nanostructures.

Method of improving performance of devices with QDs comprising thin metal oxide coatings

A novel thin film encapsulated OLED panel architecture and a method for making the panels with improved shelf life is disclosed. The OLED panel consists of a plurality of OLED pixels; each OLED pixel is individually hermetically sealed and isolated from its neighboring pixels. The organic stack of the OLED pixel is contained within its own hermetically sealed structure, achieved by making the structure on a barrier coated substrate and using a first barrier material as the grid and a second barrier for encapsulating the entire OLED pixel. The first barrier material provides the edge seal while the second barrier disposed over the pixel provides protection from top down moisture diffusion. By isolating and hermetically sealing individual pixels; any damage such as moisture and oxygen ingress due to defects or particles, delamination, cracking etc. can be effectively contained within the pixel thereby protecting other pixels in the panel.

Organic electroluminescent devices

The invention pertains to the field of nanotechnology. The invention provides highly luminescent nanostructures, particularly highly luminescent nanostructures comprising a ZnSeTecore and ZnS and/or ZnSe shell layers. The nanostructures comprising a ZnSeTecore and ZnS and/or ZnSe shell layers display a low full width at half-maximum and a high quantum yield. The invention also provides methods of producing the nanostructures.

Synthesis of blue-emitting ZnSeTealloy nanocrystals with low full width at half-maximum

This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures using a Group IV metal halide. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

Blue-emitting nanocrystals with cubic shape and group IV metal fluoride passivation

Embodiments of an electroluminescent device are described. The electroluminescent device includes a substrate, a first electrode disposed on the substrate, a first transport layer disposed on the first electrode, an emission layer having luminescent nanostructures disposed on the first transport layer, a second transport layer having an organic layer, and a second electrode disposed on the second transport layer. A first portion of the organic layer is disposed on the emission layer and a second portion of the organic layer is disposed on the first transport layer.

Electroluminescent devices with organic transport layers

The invention pertains to the field of nanotechnology. The disclosure provides nanostructure compositions comprising (a) at least one organic solvent; (b) at least one population of nanostructures comprising a core and at least one shell, wherein the nanostructures comprise inorganic ligands bound to the surface of the nanostructures; and (c) at least one poly(alkylene oxide) additive. The nanostructure compositions comprising at least one poly(alkylene oxide) additive show improved solubility in organic solvents. And, the nanostructure compositions show increased suitability for use in inkjet printing. The disclosure also provides methods of producing emissive layers using the nanostructure compositions.

Nanostructure ink compositions for inkjet printing

Embodiments of a flexible electroluminescent (FEE) device are described. An FEE device includes a device stack with a quantum dot (QD) film configured to generate a first light having a first peak wavelength and a flexible substrate configured to support the device stack and emit a first portion of the first light. The FEE device further includes an encapsulation layer disposed on the device stack and an outcoupling layer disposed on the flexible substrate. The encapsulation layer can be configured to provide mechanical and environmental protection to the FEE device from moisture or oxygen. The outcoupling layer can be configured to prevent total internal reflection of a second portion of the first light within the flexible substrate and extract the second portion from the flexible substrate. The outcoupling layer can be further configured to eliminate air gaps at an interface between the outcoupling layer and a surface to be illuminated by the extracted second portion in response to the FEE device being substantially conformally placed on the surface.

Flexible electroluminescent devices

Embodiments of an electroluminescent device are described. The electroluminescent device includes a substrate, a first electrode disposed on the substrate, an emission layer comprising luminescent nanostructures disposed on the first electrode, a hybrid transport layer disposed on the emission layer, and a second electrode disposed on the hybrid transport layer. The hybrid transport layer includes an organic layer and inorganic nanostructures disposed within the organic layer. The luminescent nanostructures are separated from the inorganic nanostructures by the organic layer.

Electroluminescent devices with hybrid organic-inorganic transport layers

Hermetically sealed isolated OLED pixels

Embodiments of a display device are described. A display device includes a backlight unit having a light source and a liquid crystal display (LCD) module. The LCD module includes a nanostructure-based color conversion (NS-based CC) layer and a light extraction layer. The NS-based CC layer is configured to receive a primary light, from the light source, having a first peak wavelength and to convert a portion of the primary light to emit a first portion of a secondary light having a second peak wavelength. The second peak wavelength is different from the first peak wavelength. The light extraction layer is optically coupled to the NS-based CC layer and is configured to prevent total internal reflection of a second portion of the secondary light. The light extraction layer has patterned features with one or more dimension in nanometer scale.

Nanostructure based display devices with improved light extraction efficiency

Methods for forming a coating over a surface are disclosed. A method includes directing a first source of barrier film material toward a substrate in a first direction at an angle &#x3b8; relative to the substrate, wherein &#x3b8; is greater than about 0&#xb0; and less than about 85&#xb0;. Additionally, a method of depositing a barrier film over a substrate includes directing a plurality of N sources of barrier film material toward a substrate, each source being directed at an angle &#x3b8;relative to the substrate, wherein for each &#x3b8;, &#x3b8; is greater than about 0&#xb0; and less than about 180&#xb0;. For at least a first of the &#x3b8;, &#x3b8;is greater than about 0&#xb0; and less than about 85&#xb0;, and for at least a second of the &#x3b8;, &#x3b8;is greater than about 95&#xb0; and less than about 180&#xb0;.

Barrier film for electronic devices and substrates

This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures with fluoride passivation. The disclosure also provides methods of preparing nanostructures with fluoride and amine passivation. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.

Blue-emitting nanocrystals with cubic shape and fluoride passivation

A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system.

Manufacturing flexible organic electronic devices

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Morristown, NJ, United States of America

Ruiqing Ma