Patents by Inventor Julia J. Brown

Julia J. Brown has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Edge barrier film for electronic devices
    Patent number: 9923168
    Abstract: In some embodiments, a first product is provided. The first product may include a substrate, a device having a device footprint disposed over the substrate, and a barrier film disposed over the substrate and substantially along a side of the device footprint. The barrier film may comprise a mixture of a polymeric material and non-polymeric material. The barrier film may have a perpendicular length that is less than or equal to 3.0 mm from the side of the device footprint.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: March 20, 2018
    Assignee: Universal Display Corporation
    Inventors: Prashant Mandlik, Ruiqing Ma, Julia J. Brown
  • HYBRID DISPLAY
    Publication number: 20180069059
    Abstract: A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a second sub-pixel is configured to emit a second color, and includes a first portion of a first organic emissive stack configured to emit an initial color different from the first color. A third sub-pixel is configured to emit a third color different from the initial color, and includes a second portion of the first organic emissive stack, and a first color altering layer disposed in a stack with the second portion of the first organic emissive stack.
    Type: Application
    Filed: November 13, 2017
    Publication date: March 8, 2018
    Inventors: Michael HACK, Michael Stuart WEAVER, William T. MAYWEATHER, III, Julia J. BROWN, Nicholas J. THOMPSON
  • VERY HIGH RESOLUTION STACKED OLED DISPLAY
    Publication number: 20180033839
    Abstract: A full-color display and techniques for fabrication thereof are provided. The display includes first and second continuous independently addressable organic emissive layers disposed over a single substrate or between two substrates or portions of a flexible substrate. The use of continuous emissive layers of a limited number of colors allows for a relatively high resolution display to be achieved without the use of fine metal masks or similar components.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Inventors: Michael HACK, Michael Stuart WEAVER, William E. QUINN, Julia J. Brown
  • Hybrid layers for use in coatings on electronic devices or other articles
    Patent number: 9882167
    Abstract: A method for protecting an electronic device comprising an organic device body. The method involves the use of a hybrid layer deposited by chemical vapor deposition. The hybrid layer comprises a mixture of a polymeric material and a non-polymeric material, wherein the weight ratio of polymeric to non-polymeric material is in the range of 95:5 to 5:95, and wherein the polymeric material and the non-polymeric material are created from the same source of precursor material. Also disclosed are techniques for impeding the lateral diffusion of environmental contaminants.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 30, 2018
    Assignees: The Trustees of Princeton University, Universal Display Corporation
    Inventors: Prashant Mandlik, Sigurd Wagner, Jeffrey A. Silvernail, Ruiqing Ma, Julia J. Brown, Lin Han
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20170365801
    Abstract: 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 R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; 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 R1, the first distance is longer than the radius r by at least 2.9 ?.
    Type: Application
    Filed: June 9, 2017
    Publication date: December 21, 2017
    Applicant: Universal Display Corporation
    Inventors: Eric A. MARGULIES, Zhiqiang JI, Jui-Yi TSAI, Chun LIN, Alexey Borisovich DYATKIN, Mingjuan SU, Bin MA, Michael S. WEAVER, Julia J. BROWN, Lichang ZENG, Walter YEAGER, Alan DEANGELIS, Chuanjun XIA
  • Methods for fabricating OLEDs
    Patent number: 9843024
    Abstract: Systems and methods for fabricating an OLED are provided, which include dispensing a substrate material onto a substrate carrier, the substrate carrier being rotated by one or more drums, curing the substrate material to form a substrate, depositing at least one OLED onto the substrate, and separating the substrate from the substrate carrier.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: December 12, 2017
    Assignee: Universal Display Corporation
    Inventors: Ruiqing Ma, John Felts, Jeffrey Silvernail, Zhaoqun Zhoi, Emory Krall, Julia J. Brown
  • ARCHITECTURE FOR VERY HIGH RESOLUTION AMOLED DISPLAY
    Publication number: 20170352709
    Abstract: Full-color pixel arrangements for use in displays and other devices, and devices including the same, are provided. The pixel arrangement includes a patterned electrode layer including multiple electrodes, a patterned emissive layer disposed over the electrode layer, a blanket organic emissive layer disposed over the patterned emissive layer, a second electrode layer disposed between the organic emissive layers, and a third electrode layer disposed over the second blanket organic emissive layer. Electrodes within each of the electrode layers are individually addressable.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 7, 2017
    Inventors: Michael Hack, Michael Stuart Weaver, Nicholas J. Thompson, Julia J. Brown, Ruiqing Ma
  • Hybrid display
    Patent number: 9818804
    Abstract: A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a second sub-pixel is configured to emit a second color, and includes a first portion of a first organic emissive stack configured to emit an initial color different from the first color. A third sub-pixel is configured to emit a third color different from the initial color, and includes a second portion of the first organic emissive stack, and a first color altering layer disposed in a stack with the second portion of the first organic emissive stack.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: November 14, 2017
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, William T. Mayweather, III, Julia J. Brown, Nicholas J. Thompson
  • Barrier covered microlens films
    Patent number: 9818967
    Abstract: Optical components and devices are provided that include a substrate, a microlens array, and a barrier film system conformally covering the microlens array. An OLED may be optically coupled to the microlens array. The barrier film may provide protection to the microlens array or other components, without having a significant negative impact on outcoupling of light from the coupled OLED by the microlens array.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 14, 2017
    Assignee: Universal Display Corporation
    Inventors: Ruiqing Ma, Julia J. Brown, Michael Hack, Siddharth Harikrishna Mohan, Gregory McGraw
  • Reducing OLED device efficiency at low luminance
    Patent number: 9786858
    Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: October 10, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown
  • HIGH RESOLUTION LOW POWER CONSUMPTION OLED DISPLAY WITH EXTENDED LIFETIME
    Publication number: 20170287987
    Abstract: Systems and techniques are provided that allow for fabrication of full-color OLED displays that include only two colors of emissive regions and four or more sub-pixels within pixels of the device. Mask arrangements for fabricating such devices are also provided.
    Type: Application
    Filed: January 26, 2015
    Publication date: October 5, 2017
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN, Woo-Young SO, Candice H. BROWN
  • METHODS FOR FABRICATING OLEDs
    Publication number: 20170288175
    Abstract: Systems and methods for fabricating an OLED are provided, which include dispensing a substrate material onto a substrate carrier, the substrate carrier being rotated by one or more drums, curing the substrate material to form a substrate, depositing at least one OLED onto the substrate, and separating the substrate from the substrate carrier.
    Type: Application
    Filed: June 9, 2017
    Publication date: October 5, 2017
    Inventors: Ruiqing MA, John FELTS, Jeffrey SILVERNAIL, Zhaoqun ZHOI, Emory KRALL, Julia J. BROWN
  • REDUCING OLED DEVICE EFFICIENCY AT LOW LUMINANCE
    Publication number: 20170229671
    Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown
  • HIGH RESOLUTION LOW POWER CONSUMPTION OLED DISPLAY WITH EXTENDED LIFETIME
    Publication number: 20170229520
    Abstract: OLED-based devices that include at least two colors of emissive regions are provided, in which one region is optically coupled to a microcavity and the other is not. Devices including pixels in which only a portion of sub-pixels within the pixel are coupled to a microcavity are provided.
    Type: Application
    Filed: January 26, 2015
    Publication date: August 10, 2017
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN, Woo-Young SO, Candice H. BROWN
  • MANUFACTURING FLEXIBLE ORGANIC ELECTRONIC DEVICES
    Publication number: 20170187006
    Abstract: 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.
    Type: Application
    Filed: March 15, 2017
    Publication date: June 29, 2017
    Inventors: Ruiqing Ma, Jeff Silvernail, Prashant Mandlik, Julia J. Brown, John Felts
  • Four component phosphorescent OLED for cool white lighting application
    Patent number: 9655199
    Abstract: A light emitting system is provided including a first organic light emitting device. The first organic light emitting device includes an anode, a cathode, a first organic emitting layer disposed between the anode and the cathode, and a second organic emitting layer disposed between the anode and the cathode. The first organic emitting layer and the second organic emitting layer each include an emissive dopant having a peak wavelength of between 400 to 500 nanometers, but one of the peak wavelength of one of the dopants is at least 4 nm less than the peak wavelength of the other dopant. The first organic emitting layer and the second organic emitting layer may overlap each other, such as being disposed one over the other. The device may be used in white light or multi-color systems.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: May 16, 2017
    Assignee: Universal Display Corporation
    Inventors: Michael Weaver, Xin Xu, Julia J. Brown
  • NOVEL OLED DISPLAY ARCHITECTURE
    Publication number: 20170133439
    Abstract: A device that may be used as a multi-color pixel is provided. The device has a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The device may be a pixel of a display having four sub-pixels. The first device may emit red light, the second device may emit green light, the third device may emit light blue light and the fourth device may emit deep blue light.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 11, 2017
    Inventors: Michael Hack, Julia J. Brown, Michael Stuart Weaver, Peter Levermore, Woo-Young So
  • THREE STACK HYBRID WHITE OLED FOR ENHANCED EFFICIENCY AND LIFETIME
    Publication number: 20170125718
    Abstract: OLEDs containing a stacked hybrid architecture including a phosphorescent organic emissive unit and two fluorescent organic emissive units are disclosed. The stacked hybrid architecture includes a plurality of electrodes and a hybrid emissive stacked disposed between at least two of the electrodes. The stack contains at least three emissive units and at least two charge generation layers. At least one of the three emissive units is a phosphorescent organic emissive unit and at least two of the three emissive units are fluorescent organic emissive units. More specifically, the two fluorescent organic emissive units may be blue organic emissive units that emit light from the same or different color regions.
    Type: Application
    Filed: January 9, 2017
    Publication date: May 4, 2017
    Inventors: Michael Stuart Weaver, Julia J. Brown
  • Apparatus and Method to Deliver Organic Material via Organic Vapor-Jet Printing (OVJP)
    Publication number: 20170104159
    Abstract: Systems and arrangements of OVJP deposition devices are provided, in which one or more organic material crucibles are directly attached to an injection block and a print head without the need for external delivery components such as feedtubes. Each crucible may be hermetically sealed until it is attached to the injection block, allowing for a single device to provide for storage, transport, and deposition of the organic material.
    Type: Application
    Filed: October 12, 2016
    Publication date: April 13, 2017
    Inventors: Matthew KING, William E. QUINN, Gregory MCGRAW, Siddharth HARIKRISHNA MOHAN, Elliot H. HARTFORD, Jr., Benjamin SWEDLOVE, Gregg KOTTAS, Tomasz TROJACKI, Julia J. BROWN
  • HIGH RESOLUTION LOW POWER CONSUMPTION OLED DISPLAY WITH EXTENDED LIFETIME
    Publication number: 20170092699
    Abstract: Arrangements of pixel components that allow for full-color devices, while using emissive devices that use blue color altering layers in conjunction with blue emissive regions, that emit at not more than two colors, and/or that use limited number of color altering layers, are provided. Devices disclosed herein also may be achieved using simplified fabrication techniques compared to conventional side-by-side arrangements, because fewer masking steps may be required.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Inventors: Michael Hack, Michael Stuart Weaver, Julia J. Brown, Xin Xu