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).

  • Organic electroluminescent materials and devices
    Patent number: 11374180
    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: Grant
    Filed: April 29, 2020
    Date of Patent: June 28, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bin Ma, David Zenan Li, Bert Alleyne, Alan Deangelis, James Fiordeliso, Vadim Adamovich
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220194956
    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 increased device lifetime. Further provided are an organic electroluminescent device containing the compound and a compound composition containing the compound.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 23, 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
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20220199916
    Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device has a first metal complex containing a ligand with a structure of Formula 1 and a first compound with a structure of Formula 2. Compared with the related art, a combination of such two compounds can significantly improve performance of the organic electroluminescent device, such as external quantum efficiency, power efficiency and current efficiency of the device. Further provided are an electronic apparatus including the organic electroluminescent device and a compound composition containing the first metal complex and the first compound.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 23, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Chi Yuen Raymond Kwong, Jianfei Yao, Zhen Wang, Feng Li, Yang Wang, Junfei Wang, Gang Yang, Hongbo Li, Ming Sang, Wei Cai, Chuanjun Xia
  • High-yield low-cost large-area flexible OLED lighting module
    Patent number: 11359770
    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: Grant
    Filed: June 5, 2019
    Date of Patent: June 14, 2022
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO. LTD.
    Inventors: Huiqing Pang, Chuanjun Xia
  • PHOSPHORESCENT ORGANOMETALLIC COMPLEX AND DEVICE THEREOF
    Publication number: 20220181560
    Abstract: Provided are a phosphorescent organometallic complex and a device thereof. The organometallic complex contains a ligand La having a structure of Formula 1 and a ligand Lb having a structure of Formula 2. Such metal complexes can be used as light-emitting materials in electroluminescent devices. These novel compounds in organic electroluminescent devices can effectively improve efficiency, reduce device voltage, and provide better device performance. Further provided are an organic electroluminescent device containing the metal complex and a compound composition containing the metal complex.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 9, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Zhen Wang, Wei Cai, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220177502
    Abstract: Provided are an electroluminescent material and a device thereof. The electroluminescent material is an organic compound formed by connecting an indole- and pyrrole-fused azamacrocycle with dibenzofuran and similar structures thereof and can be used as the host material in electroluminescent devices. These new compounds can greatly improve the device lifetime and provide great device performance. Further provided are an electroluminescent device, a compound combination, and a display assembly.
    Type: Application
    Filed: December 3, 2021
    Publication date: June 9, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Qiang Wang, Le Wang, Han Zhang, Junfei Wang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Azaindolocarbazole compounds
    Patent number: 11349081
    Abstract: New azaindolocarbazole compounds are disclosed, which can be used as hosts in an organic electroluminescent device. Compared to existing host materials, the compounds can effectively modulate the charge transporting properties in host materials and give OLEDs better performance. An electroluminescent device and a formulation are also disclosed.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 31, 2022
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11349087
    Abstract: Iridium complexes containing hexadentate ligands are disclosed. Multidentate iridium complexes of Formula II showed desired properties in term of EQE, LT, CIE, etc.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: May 31, 2022
    Assignee: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Chuanjun Xia, Zhiqiang Ji
  • Organic electroluminescent materials and devices
    Patent number: 11349080
    Abstract: Organic electroluminescent materials and devices are disclosed. The organic electroluminescent materials are novel benzodithiophene or its analogous structure compounds, which can be used as charge transporting materials, hole injection materials, or the like in an electroluminescent device. These novel compounds can offer excellent performance compared with existing materials, for example, to further improve the voltage, efficiency and/or lifetime of the OLEDs.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 31, 2022
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220165968
    Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex containing a ligand La having a structure of Formula 1. Such new compounds with a fluorine substituent introduced at a particular position of the ligand La are applicable to electroluminescent devices and can provide more saturated luminescence and better device performance such as improved device efficiency and reduced device voltage. Further provided are an electroluminescent device containing the metal complex and a compound composition containing the metal complex.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Ming Sang, Hongbo Li, Wei Cai, Zhen Wang, Tao Wang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20220162244
    Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex containing a ligand La having a structure of Formula 1A and a ligand Lb, having a structure of Formula 1B. Such metal complexes are applicable to electroluminescent devices and can obtain a higher sublimation yield during sublimation and have a lower evaporation temperature and can provide better device performance such as an increased device lifetime and a narrower full width at half maximum. Further provided are an electroluminescent device containing the metal complex and a compound composition containing the metal complex.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 26, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Ming Sang, Zhen Wang, Hongbo Li, Wei Cai, Yanhua Liu, Bin Tang, Xuan Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11342510
    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: Grant
    Filed: May 23, 2019
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Chuanjun Xia, Scott Joseph, Walter Yeager, Mingjuan Su, Ting-Chih Wang
  • Organic electroluminescent materials and devices
    Patent number: 11342515
    Abstract: Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Suman Layek, Chuanjun Xia, Zhiqiang Ji, Edward Barron
  • Organic electroluminescent materials and devices
    Patent number: 11342516
    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: Grant
    Filed: September 11, 2020
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11335864
    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: Grant
    Filed: November 15, 2019
    Date of Patent: May 17, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Harvey Wendt, Chuanjun Xia
  • Organic luminescent materials containing tetraphenylene ligands
    Patent number: 11325934
    Abstract: Organic luminescent materials containing tetraphenylene ligands are disclosed, which can be used as emitters in the emissive layer of an organic electroluminescent device. The organic luminescent materials is metal complexes which comprise a new series of tetraphenylene ligands. The use of these novel ligands can decrease aggregation in the solid state and improve the lifetime of device. Also disclosed are an electroluminescent device and a formulation.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 10, 2022
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • Boron and nitrogen containing heterocyclic compounds
    Patent number: 11329237
    Abstract: Boron and nitrogen containing heterocyclic compounds are disclosed, which can be used as emitters, hosts, charge blocking materials, charge transporting materials, etc. in an electroluminescent device. These novel compounds can offer very narrow emissive spectrum, and obtain high saturated deep blue emission. Also disclosed are an organic light-emitting device and a formulation.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: May 10, 2022
    Assignee: Beijing Summer Sprout Technology Co., Ltd.
    Inventor: Chuanjun Xia
  • NOVEL ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20220140252
    Abstract: Disclosed are a novel organic electroluminescent material and a device thereof. The organic electroluminescent material is a novel compound having the structure in Formula 1. The organic electroluminescent material has LUMO energy levels of different depths, can be used as a single hole injection material, and is also an excellent p-type dopant material, which is of great significance for the development of new high-performance hole injection materials. Also disclosed are an organic electroluminescent device comprising the novel compound and a compound composition comprising the novel compound.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 5, 2022
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Hualong Ding, Chi Yuen Raymond Kwong, Chuanjun Xia
  • METAL COMPLEX, ELECTROLUMINESCENT DEVICE INCLUDING THE SAME, AND USE THEREOF
    Publication number: 20220131093
    Abstract: Provided are a metal complex, an electroluminescent device containing the same, and a use thereof. The metal complex has a structure of M(La)m(Lb)n and can more effectively fine-tune a light-emitting color and adjust an emission peak width, thereby narrowing a full width at half maximum, making the light-emitting color more saturated, and improving device efficiency, current efficiency, and external quantum efficiency.
    Type: Application
    Filed: January 15, 2021
    Publication date: April 28, 2022
    Inventors: Cuifang ZHANG, Nannan LU, Zhihong DAI, Chi Yuen Raymond Kwong, Chuanjun XIA
  • Organic electroluminescent materials and devices
    Patent number: 11316113
    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: Grant
    Filed: March 8, 2018
    Date of Patent: April 26, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Raymond Kwong, Ken-Tsung Wong, Ming-Cheng Kuo