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).

  • Publication number: 20180130962
    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: Application
    Filed: August 31, 2017
    Publication date: May 10, 2018
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Lichang ZENG, Mingjuan SU
  • Publication number: 20180108848
    Abstract: A new series of iptycene derivatives as ligands for metal complexes that are useful as phosphorescent emitters for incorporation into OLEDs are disclosed.
    Type: Application
    Filed: December 8, 2016
    Publication date: April 19, 2018
    Applicant: Universal Display Corporation
    Inventors: Mingjuan SU, Lichang ZENG, Chuanjun XIA
  • Publication number: 20180097187
    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: Application
    Filed: November 29, 2017
    Publication date: April 5, 2018
    Applicant: Universal Display Corporation
    Inventors: Pierre-Luc T. BOUDREAULT, Mingjuan SU, Harvey WENDT, Scott JOSEPH
  • Publication number: 20180097179
    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.
    Type: Application
    Filed: September 15, 2017
    Publication date: April 5, 2018
    Applicant: Universal Display Corporation
    Inventors: Pierre-Luc T. BOUDREAULT, Mingjuan SU, Harvey WENDT, Scott JOSEPH
  • Publication number: 20180097185
    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: October 10, 2017
    Publication date: April 5, 2018
    Inventors: Mingjuan Su, Walter Yeager, Alan DeAngelis, Bin Ma, Jui-Yi Tsai, Lichang Zeng, Chuanjun Xia
  • Publication number: 20180006247
    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: Application
    Filed: May 19, 2017
    Publication date: January 4, 2018
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Mingjuan SU, Edward BARRON, Zhiqiang JI, Chuanjun XIA
  • Publication number: 20170373259
    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: June 9, 2017
    Publication date: December 28, 2017
    Inventors: Mingjuan Su, Walter Yeager, Alan DeAngelis, Bin Ma, Lichang Zeng, Chuanjun Xia
  • 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
  • Publication number: 20170263872
    Abstract: Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.
    Type: Application
    Filed: May 26, 2017
    Publication date: September 14, 2017
    Applicant: Universal Display Corporation
    Inventors: Bin MA, Mingjuan SU, Chuanjun XIA
  • Patent number: 9748500
    Abstract: Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: August 29, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Mingjuan Su, Chuanjun Xia
  • Publication number: 20170077425
    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: Application
    Filed: August 18, 2016
    Publication date: March 16, 2017
    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
  • Publication number: 20170077426
    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 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.
    Type: Application
    Filed: August 18, 2016
    Publication date: March 16, 2017
    Applicant: Universal Display Corporation
    Inventors: Chuanjun XIA, Chun LIN, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI, Mingjuan SU, Lichang ZENG, Zhiqiang LI, Edward BARRON, Walter YEAGER, Alexey Borisovich DYATKIN
  • Patent number: 9595682
    Abstract: Embodiments described herein relate to compositions including iptycene-based structures and extended iptycene structures. In some embodiments, the compositions may be useful in organic light-emitting diodes (OLEDs), organic photovoltaics, and other devices.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: March 14, 2017
    Assignee: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, Timothy M. Swager, Georgiy Teverovskiy, Mingjuan Su
  • Publication number: 20160240800
    Abstract: A compound having a Pt tetradentate structure selected from the group consisting of is provided. In the structures of Formula 1 and Formula 2, 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 Formulas 1 and 2 are also described.
    Type: Application
    Filed: February 2, 2016
    Publication date: August 18, 2016
    Applicant: Universal Display Corporation
    Inventors: Bin MA, Mingjuan SU, Alan DEANGELIS, Edward BARRON, Chuanjun XIA
  • Publication number: 20160211469
    Abstract: Phosphorescent iridium complexes comprising multi-alkyl-substituted aza-DBF and 2-phenylpyridine ligands is disclosed. These complexes are useful as emitters for phosphorescent OLEDs.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 21, 2016
    Applicant: Universal Display Corporation
    Inventors: Bin Ma, Mingjuan Su, Chuanjun Xia
  • Publication number: 20160099422
    Abstract: A composition formed of a mixture of a first compound and a second compound wherein 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. The first compound has an evaporation temperature T1 and the second compound has an evaporation temperature T2 where both T1 and T2 are between 100 to 400° C. and the absolute value of T1?T2 is less than 20° C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating said mixture in a high vacuum deposition tool with a chamber base pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein absolute value of (C1?C2)/C1 is less than 5%.
    Type: Application
    Filed: September 24, 2015
    Publication date: April 7, 2016
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang ZENG, Chuanjun XIA, Scott JOSEPH, Walter YEAGER, Mingjuan SU, Ting-Chih WANG
  • Publication number: 20140124762
    Abstract: Embodiments described herein relate to compositions including iptycene-based structures and extended iptycene structures. In some embodiments, the compositions may be useful in organic light-emitting diodes (OLEDs), organic photovoltaics, and other devices.
    Type: Application
    Filed: October 30, 2013
    Publication date: May 8, 2014
    Applicant: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, Timothy M. Swager, Georgiy Teverovskiy, Mingjuan Su
  • Publication number: 20110015401
    Abstract: One aspect of the invention relates to a metal-catalyzed conversion of aryl halides and sulfonates to the corresponding aryl fluorides. Another aspect of the invention relates to a metal-catalyzed conversion of heteroaryl halides and sulfonates to the corresponding heteroaryl fluorides. Another aspect of the invention relates to a metal-catalyzed conversion of vinyl halides and sulfonates to the corresponding vinyl fluorides. In certain embodiments, simple fluoride sources, such as AgF and CsF, are used. In certain embodiments, the transformations tolerate a wide range of functional groups, allowing for introduction of fluorine atoms into highly functionalized organic molecules.
    Type: Application
    Filed: July 13, 2010
    Publication date: January 20, 2011
    Applicant: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, Donald Allen Watson, Mingjuan Su, Georgiy Teverovskiy