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).

  • Publication number: 20200373360
    Abstract: Full-color display arrangements and device architectures are provided that include a stack of unpatterned organic emissive layers, with color-altering layers and down-conversion layers to provide individual sub-pixels, where the emissive stack includes not more than two distinct emissive colors.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Inventors: Michael HACK, Michael Stuart WEAVER, Nicholas J. THOMPSON, Julia J. BROWN
  • Publication number: 20200357860
    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 29, 2020
    Publication date: November 12, 2020
    Inventors: Michael HACK, Michael Stuart WEAVER, William E. QUINN, Julia J. Brown
  • Publication number: 20200343316
    Abstract: 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.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 29, 2020
    Inventors: Michael HACK, Michael Stuart WEAVER, Nicholas J. THOMPSON, Julia J. BROWN
  • Patent number: 10811633
    Abstract: A flexible AMOLED display is disclosed including an OLED stack having an anode layer, a cathode layer and an organic light emitting layer between the anode layer and the cathode layer. A backplane includes a substrate, a plurality of bus lines, and a thin film transistor array. A permeation barrier layer is positioned between the OLED stack and the backplane, and a plurality of vias connect the OLED anode layer to the backplane thin film transistor array. In one embodiment, a neutral plane of the AMOLED display crosses the permeation barrier. In one embodiment, the thickness of at least a portion of the bus lines is greater than the thickness of the cathode layer. A method of increasing the flexibility of an AMOLED display is disclosed. A method of assembling a flexible AMOLED display under a processing temperature of less than 200 degrees Celsius is also disclosed.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: October 20, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Ruiqing Ma, Julia J. Brown
  • Patent number: 10797112
    Abstract: 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.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 6, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Nicholas J. Thompson, Julia J. Brown
  • Publication number: 20200295291
    Abstract: Emissive devices are provided that include a phosphorescent emitter placed within a threshold distance of an enhancement layer to achieve transient lifetimes of 200 ns or less.
    Type: Application
    Filed: March 10, 2020
    Publication date: September 17, 2020
    Inventors: Michael FUSELLA, Nicholas J. THOMPSON, Julia J. BROWN, Michael Stuart WEAVER
  • Patent number: 10756141
    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: Grant
    Filed: July 25, 2017
    Date of Patent: August 25, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, William E. Quinn, Julia J. Brown
  • Publication number: 20200266391
    Abstract: Devices, components and fabrication methods are provided for improving the efficiency of OLED displays. An outcoupling component such as a microlens array (MLA) is attached to an OLED, with a relatively small distance between the MLA and the OLED. Cross-talk and back scattering are reduced by the use of colored lenses, focusing layers, and other methods.
    Type: Application
    Filed: May 7, 2020
    Publication date: August 20, 2020
    Inventors: Ruiqing Ma, Julia J. Brown, Chaoyu Xiang, Michael Hack, Jason Paynter
  • Publication number: 20200251668
    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: April 21, 2020
    Publication date: August 6, 2020
    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
  • Patent number: 10700134
    Abstract: This disclosure relates to reduced power consumption OLED displays at reduced cost for reduced information content applications, such as wearable displays. Image quality for wearable displays can be different than for high information content smart phone displays and TVs, where the wearable display has an architecture that in includes, for example, an all phosphorescent device and/or material system that may be fabricated at reduced cost. The reduced power consumption can facilitate wireless and solar charging.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: June 30, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Julia J. Brown, Michael Stuart Weaver, Woo-Young So
  • Publication number: 20200203439
    Abstract: This disclosure relates to reduced power consumption OLED displays at reduced cost for reduced information content applications, such as wearable displays. Image quality for wearable displays can be different than for high information content smart phone displays and TVs, where the wearable display has an architecture that in includes, for example, an all phosphorescent device and/or material system that may be fabricated at reduced cost. The reduced power consumption can facilitate wireless and solar charging.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Inventors: Michael HACK, Julia J. BROWN, Michael Stuart WEAVER, Woo-Young SO
  • Patent number: 10686159
    Abstract: Devices, components and fabrication methods are provided for improving the efficiency of OLED displays. An outcoupling component such as a microlens array (MLA) is attached to an OLED, with a relatively small distance between the MLA and the OLED. Cross-talk and back scattering are reduced by the use of colored lenses, focusing layers, and other methods.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: June 16, 2020
    Assignee: Universal Display Corporation
    Inventors: Ruiqing Ma, Julia J. Brown, Chaoyu Xiang, Michael Hack, Jason Paynter
  • Patent number: 10672997
    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: Grant
    Filed: June 9, 2017
    Date of Patent: June 2, 2020
    Assignee: 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
  • Publication number: 20200161584
    Abstract: A flexible AMOLED display is disclosed including an OLED stack having an anode layer, a cathode layer and an organic light emitting layer between the anode layer and the cathode layer. A backplane includes a substrate, a plurality of bus lines, and a thin film transistor array. A permeation barrier layer is positioned between the OLED stack and the backplane, and a plurality of vias connect the OLED anode layer to the backplane thin film transistor array. In one embodiment, a neutral plane of the AMOLED display crosses the permeation barrier. In one embodiment, the thickness of at least a portion of the bus lines is greater than the thickness of the cathode layer. A method of increasing the flexibility of an AMOLED display is disclosed. A method of assembling a flexible AMOLED display under a processing temperature of less than 200 degrees Celsius is also disclosed.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 21, 2020
    Inventors: Michael Hack, Ruiqing Ma, Julia J. Brown
  • Publication number: 20200119312
    Abstract: Novel microlens array architectures for enhanced light outcoupling from light emission are provided. Organic light emitting devices (OLEDs) that include an outcoupling layer including these novel microlens array architectures and method for fabricating such OLEDs are provided. These devices may be used to provide OLEDs with optimized light extraction.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 16, 2020
    Inventors: Yue CUI, Deng-ke YANG, Ruiqing Ma, Gregory McGraw, Julia J. Brown
  • Publication number: 20200119279
    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: November 20, 2019
    Publication date: April 16, 2020
    Inventors: Matthew KING, William E. QUINN, Gregory MCGRAW, Siddharth HARIKRISHNA MOHAN, Elliot H. HARTFORD, Benjamin SWEDLOVE, Gregg KOTTAS, Tomasz TROJACKI, Julia J. BROWN
  • Publication number: 20200111989
    Abstract: 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.
    Type: Application
    Filed: September 19, 2019
    Publication date: April 9, 2020
    Inventors: Michael HACK, Michael S. WEAVER, Julia J. BROWN
  • Patent number: 10586486
    Abstract: Light emitting devices including sub-pixels having different numbers of emissive layers are provided. At least one sub-pixel of a first color may include a single emissive layer, and at least one sub-pixel of a second color may include multiple emissive layers disposed in a vertical stack. Light emitting devices in which different voltages are applied to each sub-pixel or group of sub-pixels are also provided. In some configurations, the voltage to be applied to a sub-pixel may be selected based upon the number of emissive layers in the sub-pixel.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: March 10, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Julia J. Brown, Michael Stuart Weaver, Mauro Premutico
  • Publication number: 20200058898
    Abstract: A method of fabricating an organic light emitting device (OLED) on a substrate includes providing a mold having surface features, forming a substrate over the mold, fabricating an OLED over the substrate while the substrate is in the mold, and removing the mold from the substrate having the OLED fabricated thereon.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Ruiqing Ma, Julia J. Brown
  • Publication number: 20200058902
    Abstract: 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.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: Prashant MANDLIK, Ruiqing MA, Jeffrey SILVERNAIL, Julia J. BROWN, Lin HAN, Sigurd WAGNER, Luke WALSKI