Patents by Inventor Mingjuan Su

Mingjuan Su 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: 11127906
    Abstract: Novel phosphorescent metal complexes containing ligands having the Formula I: bearing either a naphthalene or other fused heterocycle moieties such as benzofuran and benzothiophene useful as emitters in OLEDs and improve the device efficiency and the FWHM of the emission are disclosed.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: September 21, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Mingjuan Su, Harvey Wendt, Scott Joseph
  • Patent number: 11114624
    Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: September 7, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Mingjuan Su, Walter Yeager, Alan Deangelis, Bin Ma, Jui-Yi Tsai, Lichang Zeng, Chuanjun Xia
  • Patent number: 11084838
    Abstract: A compound having a formula: Formula I useful as emitters in OLEDs is disclosed.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 10, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Mingjuan Su
  • Patent number: 11038115
    Abstract: A compound including a first ligand LA of Formula I, useful as an emitter in OLEDs is disclosed.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: June 15, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Mingjuan Su, Jerald Feldman
  • Publication number: 20210095195
    Abstract: A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NRE, O, S, and Se; X3 and X4 each independently carbon or nitrogen; and one of Q1, Q3, and Q4 is oxygen, and the remaining two of Q1, Q3, and Q4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 1, 2021
    Applicant: Universal Display Corporation
    Inventors: Bin MA, Mingjuan SU, Alan DEANGELIS, Edward BARRON, Chuanjun XIA
  • Patent number: 10957866
    Abstract: New metal complexes containing a substituted fused aromatic moiety is disclosed. The substituents on the fused aromatic moiety fine-tune molecular energy levels and solid-state self-assembly, conducive to improved material performance in devices useful for phosphorescent organic light emitting devices.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: March 23, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Mingjuan Su, Edward Barron, Zhiqiang Ji, Chuanjun Xia
  • Patent number: 10944062
    Abstract: The present invention includes novel transition metal complexes of bidentate ligands containing benzofused imidazole moieties. The materials are useful for application in organic electroluminescence devices.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: March 9, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jerald Feldman, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Mingjuan Su, Tongxiang (Aaron) Lu
  • Patent number: 10889754
    Abstract: A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NRE, O, S, and Se; X3 and X4 each independently carbon or nitrogen; and one of Q1, Q3, and Q4 is oxygen, and the remaining two of Q1, Q3, and Q4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 12, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Mingjuan Su, Alan Deangelis, Edward Barron, Chuanjun Xia
  • Publication number: 20200335710
    Abstract: A compound having a metal coordination complex structure, where the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The compound has a first ligand coordinated to a metal. The free-state of the first ligand has a first triplet energy T1 of EL at 77K, while the compound has a first triplet energy T1 of E at 77K, and the difference in energy (?E) between E and EL is ?250 meV. The compound has a triplet emission spectrum with a FWHM value of no more than 45 nm. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 22, 2020
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Eric A. MARGULIES, Zhiqiang JI, Alexey Borisovich DYATKIN, Walter YEAGER, Mingjuan SU
  • Publication number: 20200303657
    Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Applicant: Universal Display Corporation
    Inventors: MINGJUAN SU, WALTER YEAGER, ALAN DEANGELIS, BIN MA, JUI-YI TSAI, LICHANG ZENG, CHUANJUN XIA
  • 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: 10727423
    Abstract: A compound having a metal coordination complex structure, where the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The compound has a first ligand coordinated to a metal. The free-state of the first ligand has a first triplet energy T1 of EL at 77K, while the compound has a first triplet energy T1 of E at 77K, and the difference in energy (?E) between E and EL is ?250 meV. The compound has a triplet emission spectrum with a FWHM value of no more than 45 nm. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 28, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Eric A. Margulies, Zhiqiang Ji, Alexey Borisovich Dyatkin, Walter Yeager, Mingjuan Su
  • Publication number: 20200220088
    Abstract: A compound having a formula (LA)mIr(LB)3-m having a structure selected from is disclosed. In the structures of formula (LA)mIr(LB)3-m, m is 1 or 2, R1, R2, R3, R4, and R5 are each independently selected from hydrogen, deuterium, C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof, and, R6 is selected from C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 9, 2020
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: BIN Ma, Vadim Adamovich, Edward Barron, Jui-Yi Tsai, Mingjuan Su, Lech Michalski, Chuanjun Xia, Michael S. Weaver, Walter Yeager, Bert Alleyne
  • Patent number: 10686140
    Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: June 16, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Mingjuan Su, Walter Yeager, Alan DeAngelis, Bin Ma, Jui-Yi Tsai, Lichang Zeng, Chuanjun Xia
  • Patent number: 10680187
    Abstract: A composition that includes a first compound where the first compound is capable of functioning as an emitter in an organic light emitting device at room temperature is disclosed.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: June 9, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Lichang Zeng, Mingjuan Su
  • Patent number: 10672996
    Abstract: The present invention relates to organometallic complexes for use as emitters where a molecule of the compound has an orientation factor greater than 0.67, and devices, such as organic light emitting diodes, including the same.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: June 2, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Vadim Adamovich, Edward Barron, Jui-Yi Tsai, Mingjuan Su, Lech Michalski, Chuanjun Xia, Michael S. Weaver, Walter Yeager, Bert Alleyne
  • 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
  • Patent number: 10651403
    Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 12, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Mingjuan Su, Walter Yeager, Alan DeAngelis, Bin Ma, Lichang Zeng, Chuanjun Xia
  • Publication number: 20190296252
    Abstract: A composition including a first compound capable of functioning as a phosphorescent emitter in an OLED is provided. The first compound has at least one aromatic ring and at least one substituent R directly bonded to one of the at least one aromatic rings. Each substituent R has the formula of where (a) G1 is selected from NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; and G2 is a non-aromatic polycyclic group; (b) G1 is a direct bond; and G2 is a non-aromatic spiro polycyclic group; or (c) G1 is selected from direct bond, NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; G2 is a non-aromatic polycyclic group; and R is directly bonded to a phenyl, pyridine, or triazine. R1, R2, and R3 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun XIA, Chun LIN, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI, Mingjuan SU, Lichang ZENG, Zhiqiang JI, Edward BARRON, Walter YEAGER, Alexey Borisovich DYATKIN
  • Publication number: 20190280212
    Abstract: A premixed co-evaporation source that is a mixture of a first compound and a second compound is disclosed. The co-evaporation source is for vacuum deposition process. The first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. At least one of the first compound and the second compound is a fluorescent or delayed fluorescent emitter. The first compound has an evaporation temperature T1 of 100 to 400° C.; the second compound has an evaporation temperature T2 of 100 to 400° C.; the absolute value of T1?T2 is less than 20° C.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Chuanjun XIA, Scott JOSEPH, Walter YEAGER, Mingjuan SU, Ting-Chih WANG