Patents by Inventor Michael S. Weaver

Michael S. Weaver 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).

  • Patent number: 10403854
    Abstract: An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positioned no more than a threshold distance away from the organic emissive layer, wherein the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer, and the threshold distance is where the total non-radiative decay rate constant is equal to the total radiative decay rate constant; and an outcoupling layer disposed over the enhancement layer, wherein the outcoupling layer scatters radiative energy from the enhancement layer to free space.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: September 3, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Nicholas J. Thompson, Marc A. Baldo, Michael S. Weaver, Vinod M. Menon
  • Patent number: 10403830
    Abstract: An organic light emitting device (OLED) is provided. The OLED has an anode, a cathode, and an emission layer, disposed between the anode and the cathode, including a first emitting compound; wherein the first emitting compound is capable of functioning as a blue phosphorescent emitter in the OLED at room temperature; wherein the first emitting compound has PLQY of less than 90% at room temperature; wherein the OLED has an external quantum efficiency of between 8% and 20% at 1 mA/cm2.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 3, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael S. Weaver, Nicholas J. Thompson, Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Patent number: 10340313
    Abstract: A first method comprises providing a plurality of organic light emitting devices (OLEDs) on a first substrate. Each of the OLEDs includes a transmissive top electrode. The plurality of OLEDs includes a first portion of OLEDs and a second portion of OLEDs that is different from the first portion. The first method further includes depositing a first capping layer over at least the first portion of the plurality of OLEDs such that the first capping layer is optically coupled to at least the first portion of the plurality of OLEDs. A second capping layer is deposited over at least the second portion of the plurality of OLEDs such that the second capping layer is optically coupled to the second portion of the plurality of OLEDs but not the first portion of the plurality of OLEDs.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: July 2, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael S. Weaver, Michael Hack
  • Publication number: 20190148651
    Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 16, 2019
    Applicant: Universal Display Corporation
    Inventors: CHUANJUN XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
  • Publication number: 20190140194
    Abstract: An OLED structure including a first organic layer disposed between the anode and the cathode is disclosed. The first organic layer includes a primary phosphorescent emitter and a first host, and where one of the following conditions is true: (1) the first organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer disposed between the anode and the cathode, wherein the second organic layer includes a secondary emitter. The phosphorescent emitter has a peak emission wavelength ?max that is ?600 nm and ?750 nm, the secondary emitter has a peak emission wavelength ?max that is ?750 nm, and the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 9, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Eric A. MARGULIES, Zhiqiang JI, Nicholas J. THOMPSON, Geza SZIGETHY, Michael S. WEAVER, Jerald FELDMAN
  • Patent number: 10256427
    Abstract: An OLED device includes, in order, an electron blocking layer, an organic emissive layer, and a hole blocking layer. Its organic emissive layer contains at least four components: an electron transporting compound, a host, a hole transporting compound, and an emitting compound capable of phosphorescence emission at room temperature. The emitting compound has HOMO energy level of 5.2 eV or lower and a LUMO energy level of 2.5 eV or higher.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: April 9, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Vadim Adamovich, James Esler, Jason Brooks, Michael S. Weaver, Julia J. Brown
  • Patent number: 10229960
    Abstract: A display includes a frontplane having multiple pixels in a first pixel region and multiple pixels in a second pixel region. At least one display characteristic in the first pixel region is different from at least one display characteristic in the second pixel region. The at least one characteristic is selected from the group consisting of resolution, cavity mode, outcoupling, color and color filter. A display with a curved scan line and variable spaced data line backplane architecture is also described. In addition, a method of reducing power requirements in a display is described.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: March 12, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael S. Weaver, Julia A. Brown
  • Publication number: 20190071461
    Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 7, 2019
    Applicant: Universal Display Corporation
    Inventors: Pierre-Luc T. Boudreault, Alexey Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia, Hitoshi Yamamoto, Michael S. Weaver, Bert Alleyne, James Fiordeliso
  • Patent number: 10199581
    Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: February 5, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Alexey Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia, Hitoshi Yamamoto, Michael S. Weaver, Bert Alleyne, James Fiordeliso
  • Patent number: 10186672
    Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 22, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
  • Patent number: 10177126
    Abstract: Described herein are devices and methods related to lighting systems that are color tunable and have a long lifetime. In certain embodiments, the device comprises two independently controlled phosphorescent OLED lighting panels coupled together in one package to emit light in one direction. In certain embodiment, aspects of the device are tunable, such as RGB color, color temperature, and luminance.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: January 8, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael S. Weaver
  • Publication number: 20180345749
    Abstract: An electrically adjustable hydraulic shock absorber includes a piston positioned within a tube that divides a fluid chamber into a first working chamber and a second working chamber. A piston rod is attached to the piston and projects. An electronically-controlled valve is positioned within a rod guide. A circuit board is in communication with the electronically-controlled valve. A carrier includes an inner wall and an outer wall interconnected by a bottom wall thereby defining a pocket. A circuit board is positioned within the pocket.
    Type: Application
    Filed: June 6, 2017
    Publication date: December 6, 2018
    Inventors: Scott S. DUNAWAY, Matthew L. ROESSLE, Robert C. HARRIS, Michael J. LEPKOWSKI, Corey L. STEWART, Michael S. WEAVER, Gary BUTZKE
  • Publication number: 20180342680
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Application
    Filed: July 27, 2018
    Publication date: November 29, 2018
    Applicant: Universal Display Corporation
    Inventors: Vadim ADAMOVICH, Hitoshi YAMAMOTO, Ting-Chih WANG, Michael S. WEAVER, Chuanjun XIA, Bert ALLEYNE, Pierre-Luc T. BOUDREAULT, Alexey Borisovich DYATKIN, Scott JOSEPH
  • Patent number: 10109815
    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: April 27, 2017
    Date of Patent: October 23, 2018
    Assignee: Universal Display Corporation
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown
  • Publication number: 20180258118
    Abstract: Metal complexes useful as emitters in OLEDs are disclosed.
    Type: Application
    Filed: November 7, 2017
    Publication date: September 13, 2018
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Michael S. Weaver, Eric A. Margulies, Zhiqiang Ji
  • Patent number: 10074806
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: September 11, 2018
    Assignee: Universal Display Corporation
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Ting-Chih Wang, Michael S. Weaver, Chuanjun Xia, Bert Alleyne, Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Scott Joseph
  • Publication number: 20180237463
    Abstract: A compound having the formula Ir(LA)n(LB)3-n, having the structure Formula I, is disclosed. In Formula I, Z1, Z2, Z3, and Z4 each independently are N or CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 23, 2018
    Applicant: Universal Display Corporation
    Inventors: Lichang Zeng, Zhiqiang Ji, Eric A. Margulies, Paul M. Lahti, Michael S. Weaver
  • Publication number: 20180219182
    Abstract: An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positioned no more than a threshold distance away from the organic emissive layer, wherein the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer, and the threshold distance is where the total non-radiative decay rate constant is equal to the total radiative decay rate constant; and an outcoupling layer disposed over the enhancement layer, wherein the outcoupling layer scatters radiative energy from the enhancement layer to free space.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Applicant: Universal Display Corporation
    Inventors: Nicholas J. THOMPSON, Marc A. BALDO, Michael S. WEAVER, Vinod M. MENON
  • Patent number: 9985232
    Abstract: An organic electroluminescence device utilizes a novel combination of one or more biscarbazole derivative compounds as the phosphorescent host material in combination with an organometallic phosphorescent material as a dopant in the light emitting region of the device, where the biscarbazole derivative compounds are represented by a formula (1A) or (2A) below: where A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3; and the organometallic phosphorescent material is a compound having a substituted chemical structure represented by the formula (4A): where each R is indepen
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: May 29, 2018
    Assignees: Idemitsu Kosan Co., Ltd., Universal Display Corporation
    Inventors: Kazuki Nishimura, Toshihiro Iwakuma, Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown
  • Patent number: 9966541
    Abstract: An organic electroluminescence device utilizes a novel combination comprising one or more biscarbazole derivative compounds as the phosphorescent host material in combination with a green phosphorescent dopant material in the light emitting region of the device, where the biscarbazole derivative compounds are represented by a formula (1A) or (1B) below; where A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3; and the green phosphorescent dopant material is a phosphorescent organometallic complex having a chemical structure represented by LL?L?M wherein M is a metal that forms octa
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: May 8, 2018
    Assignees: IDEMITSU KOSAN CO. LTD., UNIVERSAL DISPLAY CORPORATION
    Inventors: Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown, Kazuki Nishimura, Toshihiro Iwakuma