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: 20230232697
    Abstract: Embodiments of the disclosed subject matter provide a device including a micronozzle array having separate redundant groups of depositors that each include a delivery aperture disposed between two exhaust apertures. The device may include a first row of depositors of a first redundant group, each of which may be connected in parallel to first common delivery lines and first common exhaust lines. The device may include a second row of depositors of a second redundant group, each of which is connected in parallel to second common delivery and second common exhaust lines. The first row of depositors and the second row of depositors may operate independently from one another. The device may be disposed within a deposition chamber and in proximity of a substrate.
    Type: Application
    Filed: January 31, 2023
    Publication date: July 20, 2023
    Inventors: William E. QUINN, Gregory MCGRAW, Gregg KOTTAS, Xin XU, Julia J. BROWN
  • Patent number: 11700756
    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: February 17, 2021
    Date of Patent: July 11, 2023
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Nicholas J. Thompson, Julia J. Brown
  • Patent number: 11678499
    Abstract: Arrangements for phosphorescent blue emissive materials, layers, and devices are provided. The arrangements include a host having first a triplet energy level of at least 2.8 eV and an absolute difference of not more than 0.3 eV between the first singlet and triplet energy levels, and an emitter that includes an emissive transition metal complex and a first triplet energy level of at least 2.7 eV.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: June 13, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Nicholas J. Thompson, Jerald Feldman, Julia J. Brown
  • Patent number: 11637271
    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: Grant
    Filed: October 30, 2020
    Date of Patent: April 25, 2023
    Assignee: Universal Display Corporation
    Inventors: Ruiqing Ma, Jeffrey Silvernail, Prashant Mandlik, Julia J. Brown, John Felts
  • Publication number: 20230112871
    Abstract: Embodiments of the disclosed subject matter provide a device having a substrate, and a plurality of unit areas of an organic light emitting diode (OLED) display disposed on the substrate. The unit areas may be repeating, area-filling subdivisions on the substrate that each have an anode and a cathode. The organic film may be disposed over portions of the device other than the unit areas. The device may include at least one pixel having a plurality of sub-pixels disposed within each of the plurality of unit areas. The cathode of at least one pixel of each of the plurality of unit areas may be a common cathode.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Inventors: Xin XU, Gregory MCGRAW, William E. QUINN, Gregg KOTTAS, Jason PAYNTER, Julia J. BROWN
  • Patent number: 11600777
    Abstract: Embodiments of the disclosed subject matter provide a device including a micronozzle array having separate redundant groups of depositors that each include a delivery aperture disposed between two exhaust apertures. The device may include a first row of depositors of a first redundant group, each of which may be connected in parallel to first common delivery lines and first common exhaust lines. The device may include a second row of depositors of a second redundant group, each of which is connected in parallel to second common delivery and second common exhaust lines. The first row of depositors and the second row of depositors may operate independently from one another. The device may be disposed within a deposition chamber and in proximity of a substrate.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: March 7, 2023
    Assignee: Universal Display Corporation
    Inventors: William E. Quinn, Gregory McGraw, Gregg Kottas, Xin Xu, Julia J. Brown
  • Publication number: 20230056000
    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: October 12, 2022
    Publication date: February 23, 2023
    Inventors: Michael HACK, Julia J. BROWN, Michael Stuart WEAVER, Woo-Young SO
  • Publication number: 20230036234
    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: October 12, 2022
    Publication date: February 2, 2023
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN
  • Patent number: 11552159
    Abstract: Embodiments of the disclosed subject matter provide a device having a substrate, and a plurality of unit areas of an organic light emitting diode (OLED) display disposed on the substrate. The unit areas may be repeating, area-filling subdivisions of the substrate that each have an anode and a cathode. The organic film may be disposed over portions of the device other than the unit areas. The device may include at least one pixel having a plurality of sub-pixels disposed within each of the plurality of unit areas. The cathode of at least one pixel of each of the plurality of unit areas may be a common cathode.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: January 10, 2023
    Assignee: Universal Display Corporation
    Inventors: Xin Xu, Gregory McGraw, William E. Quinn, Gregg Kottas, Jason Paynter, Julia J. Brown
  • Patent number: 11552278
    Abstract: Embodiments of the disclosed subject matter may provide a display device or display surface including at least one emissive layer and a near-infrared (NIR) emissive layer disposed in a stack arrangement between a first electrode and a second electrode, where NIR light is emitted from the NIR emissive layer through the at least one emissive layer, or visible light is emitted from the at least one emissive layer through the NIR emissive layer, and where the NIR light output by the NIR emissive layer has a peak wavelength of 740 nm-1000 nm. Embodiments of the disclosed subject matter may provide a near infrared (NIR) light source disposed behind or in front of an active-matrix organic light emitting diode (AMOLED), where the NIR light source has an area greater than 25% of an active area of the display device or display surface.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: January 10, 2023
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Julia J. Brown
  • Patent number: 11502263
    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: Grant
    Filed: August 19, 2020
    Date of Patent: November 15, 2022
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael S. Weaver, Julia J. Brown
  • Patent number: 11502134
    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: March 3, 2020
    Date of Patent: November 15, 2022
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Julia J. Brown, Michael Stuart Weaver, Woo-Young So
  • Publication number: 20220293869
    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: May 24, 2022
    Publication date: September 15, 2022
    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: 11424419
    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: April 21, 2020
    Date of Patent: August 23, 2022
    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: 20220199956
    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: March 15, 2022
    Publication date: June 23, 2022
    Inventors: Prashant MANDLIK, Ruiqing MA, Jeffrey SILVERNAIL, Julia J. BROWN, Lin HAN, Sigurd WAGNER, Luke WALSKI
  • Patent number: 11309522
    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: Grant
    Filed: October 24, 2019
    Date of Patent: April 19, 2022
    Assignees: UNIVERSAL DISPLAY CORPORATION, THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Prashant Mandlik, Ruiqing Ma, Jeffrey Silvernail, Julia J. Brown, Lin Han, Sigurd Wagner, Luke Walski
  • Publication number: 20220115458
    Abstract: Devices, pixel arrangements, and fabrication techniques thereof are provided for devices that include pixels having red, green, and blue sub-pixels, where the blue sub-pixel is shared among more than one pixel in the arrangement. The display includes fewer than three data lines per pixel and uses only three colors of sub-pixel.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 14, 2022
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN
  • Publication number: 20220102442
    Abstract: Devices, arrangements, and techniques are provided to improve the color saturation of displays such as OLED displays while avoiding or substantially reducing any increase in power consumption that typically would be associated with such increase in saturation. A three-subpixel per pixel red/green/blue (RGB) architecture is provided as well as a four sub-pixel approach which uses two red sub-pixels for each pixel (red/red/green/blue, or R1R2GB).
    Type: Application
    Filed: August 24, 2021
    Publication date: March 31, 2022
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN
  • Publication number: 20220102441
    Abstract: Devices, arrangements, and techniques are provided to improve the color saturation of displays such as OLED displays while avoiding or substantially reducing any increase in power consumption that typically would be associated with such increase in saturation. A three-subpixel per pixel red/green/blue (RGB) architecture is provided as well as a four sub-pixel approach which uses two red sub-pixels for each pixel (red/red/green/blue, or R1R2GB).
    Type: Application
    Filed: August 24, 2021
    Publication date: March 31, 2022
    Inventors: Michael HACK, Michael Stuart WEAVER, Julia J. BROWN
  • Publication number: 20220045294
    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: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Michael Stuart Weaver, Julia J. Brown