Patents by Inventor Chuanjun Xia

Chuanjun Xia 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).

  • HETEROLEPTIC IRIDIUM COMPLEXES AS DOPANTS
    Publication number: 20220302396
    Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 22, 2022
    Applicant: Universal Display Corporation
    Inventors: Gregg KOTTAS, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
  • ELECTROLUMINESCENT MATERIAL AND DEVICE
    Publication number: 20220289681
    Abstract: Disclosed are an electroluminescent material and device. The compound is a compound formed by connecting an indole- and pyrrole-fused azamacrocycle to triazine or a similar structure thereof at a specific position and is used as the host material of the electroluminescent device. These novel compounds have significantly reduced evaporation temperature and better thermal stability, can effectively reduce energy consumption, which more facilitates the device manufacturing process, and in addition, can also effectively improve device efficiency and reduce device drive voltage, which can provide better device performance. Further disclosed are an electroluminescent device, a compound formulation, and a display assembly.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 15, 2022
    Inventors: Qiang WANG, Le WANG, Junfei WANG, Han ZHANG, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    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
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220285632
    Abstract: Compounds are provided that comprise a ligand having a 5-substituted 2-phenylquinoline. In particular, the 2-phenylquinoline may be substituted with a cycloalkyl containing group at the 5-position. These compounds may be used in organic light emitting devices, in particular as red emitters in the emissive layer of such devices, to provide devices having improved properties.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 8, 2022
    Applicant: Universal Display Corporation
    Inventors: Chuanjun XIA, Bin MA, David Zenan LI, Bert ALLEYNE, Alan DEANGELIS, James FIORDELISO, Vadim ADAMOVICH
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220278287
    Abstract: Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.
    Type: Application
    Filed: May 11, 2022
    Publication date: September 1, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: SCOTT BEERS, Chuanjun Xia, Harvey Wendt, Suman Layek
  • ELECTROLUMINESCENT DEVICE
    Publication number: 20220274998
    Abstract: Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer at least comprises a first compound having a structure of H1-L1-Ar1 and a second compound having a structure of H2-L2-Ar2. These new compound combinations can be used as host materials in electroluminescent devices. These new compound combinations can greatly improve the lifetime of the device and provide the device with better performance. Further provided is a display assembly including the electroluminescent device.
    Type: Application
    Filed: December 3, 2021
    Publication date: September 1, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Le Wang, Chi Yuen Raymond Kwong, Qiang Wang, Han Zhang, Junfei Wang, Menglan Xie, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11427607
    Abstract: A compound that has the structure according to Formula M(LA)x(LB)y(LC)z is disclosed. In Formula M(LA)x(LB)y(LC)z, ligand LA is ligand LB is and ligand LC is and OLEDs and formulations containing these compounds are disclosed. In Formula M(LA)x(LB)y(LC)z: M is a metal; x is 1 or 2; X1-X4 and A1-A8 are C or N; at least one of A1-A8 is N; X is O, S, or Se; two adjacent RB form a six-member aromatic ring E fused to ring B; and each RA-RE and R1-R4 is independently hydrogen or a substituent.
    Type: Grant
    Filed: September 7, 2019
    Date of Patent: August 30, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Vadim Adamovich, Hitoshi Yamamoto, Harvey Wendt, Chuanjun Xia
  • Organic electroluminescent materials and devices
    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
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220259239
    Abstract: Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a metal complex including a ligand La having a structure of Formula 1, and the metal complex can be used as a luminescent material in an electroluminescent device. These new compounds, when used in electroluminescent devices, can show better performance, provide more saturated luminescence, higher luminous efficiency and narrower full width at half maximum, and significantly improve the comprehensive performance of devices. Further provided are an electroluminescent device including the metal complex and a compound combination including the metal complex.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 18, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Wei Cai, Ming Sang, Hongbo Li, Zhen Wang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220255022
    Abstract: Novel ligands for metal complexes containing five-membered ring fused on pyridine or pyrimidine ring combined with partially fluorinated side chains exhibiting improved external quantum efficiency and lifetime are disclosed.
    Type: Application
    Filed: April 15, 2022
    Publication date: August 11, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: PIERRE-LUC T. BOUDREAULT, Harvey WENDT, Chuanjun XIA
  • HIGH-YIELD LOW-COST LARGE-AREA FLEXIBLE OLED LIGHTING MODULE
    Publication number: 20220252225
    Abstract: The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 11, 2022
    Inventors: Huiqing PANG, Chuanjun XIA
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220246867
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 4, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi TSAI, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20220231232
    Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device comprises a first compound having a structure of Formula 1 and a second compound having a structure of Formula 2. Compared to the related art or a device comprising only the first compound or the second compound, a combination of the first compound and the second compound can significantly improve the overall performance of the organic electroluminescent device, such as improved device efficiency, an extended device lifetime and reduced device voltage. Further provided are a display assembly comprising the organic electroluminescent device and a compound composition comprising the first compound and the second compound.
    Type: Application
    Filed: December 29, 2021
    Publication date: July 21, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Qiang Wang, Feng Li, Jianfei Yao, Junfei Wang, Le Wang, Han Zhang, Yang Wang, Gang Yang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220231237
    Abstract: Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed.
    Type: Application
    Filed: April 1, 2022
    Publication date: July 21, 2022
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Suman LAYEK, Chuanjun XIA, Zhiqiang JI, Edward BARRON
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220231230
    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: April 1, 2022
    Publication date: July 21, 2022
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Chuanjun XIA, Scott JOSEPH, Walter YEAGER, Mingjuan SU, Ting-Chih WANG
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220216421
    Abstract: Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3?-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
    Type: Application
    Filed: March 11, 2022
    Publication date: July 7, 2022
    Applicant: Universal Display Corporation
    Inventors: Chuanjun XIA, Raymong KWONG, Ken-Tsung Wong, Ming-Cheng KUO
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220213116
    Abstract: Provided are an organic electroluminescent material and device. The organic electroluminescent material is a compound having a structure of Formula 1. Those novel compounds are applicable to electroluminescent devices and can provide better device performance, such as an increase in device lifetime. Further provided are an electroluminescent device containing the compound and a compound composition containing the compound.
    Type: Application
    Filed: December 10, 2021
    Publication date: July 7, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Feng Li, Yang Wang, Jianfei Yao, Junfei Wang, Gang Yang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ELECTROLUMINESCENT DEVICE
    Publication number: 20220216433
    Abstract: Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer includes a first metal complex of a ligand having a structure represented by Formula 1 and a first compound having a structure represented by Formula 2. The novel material combination comprising the first metal complex and the first compound can be used in an emissive layer in an electroluminescent device. The novel material combination can enable the novel electroluminescent device to obtain a darker red color, a lower voltage, higher efficiency, and a longer lifetime and can provide better device performance. Further provided are an electronic device and a compound combination.
    Type: Application
    Filed: November 10, 2021
    Publication date: July 7, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Chi Yuen Raymond Kwong, Qi Zhang, Junfei Wang, Le Wang, Qiang Wang, Han Zhang, Xueyu Lu, Xinfang Hao, Menglan Xie, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11380855
    Abstract: Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: July 5, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Scott Beers, Chuanjun Xia, Harvey Wendt, Suman Layek
  • Heteroleptic iridium complexes as dopants
    Patent number: 11380854
    Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: July 5, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Gregg Kottas, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia