Patents by Inventor Chuanjun (Sean) Xia

Chuanjun (Sean) 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).

  • Publication number: 20250228124
    Abstract: Disclosed is a device that includes an emissive material or region including a host that is doped with a first material as an emitter that is an acceptor and a phosphorescent-capable second material as a sensitizer. The first material and the second material each has a first singlet state and a first triplet state. The first triplet state of the second material is not lower than the first triplet state of the first material. The second material transfers excitons to the first material and the excitons that transition to the first triplet state of the first material can be activated to the first singlet state of the first material through a thermal activation process.
    Type: Application
    Filed: March 27, 2025
    Publication date: July 10, 2025
    Applicant: Universal Display Corporation
    Inventors: Woo-Young SO, Jui-Yi TSAI, Chuanjun XIA
  • Publication number: 20250219598
    Abstract: Disclosed is a method and standard module for amplifying pulsed power. The key point of the technical solution is as follows: a method for amplifying pulsed power is formed by means of the joint action of a LASER mode of a crystal medium, a carrier multiplication amplification mode of a semiconductor medium, and a plasma breakdown amplification mode of a gas medium. Electric power which is amplified is converted into optical power first, the optical power is amplified again, and the amplified optical power is converted into electric power again by a photoelectric conversion and amplification device. A gas switch is triggered based on a photoconductive switch to generate a timing-synchronized high-power electric pulse. The high-power electric pulse may be directly outputted or distributed in multiple channels to obtain multiple timing-synchronized trigger signals. In combination with pulse charge of a capacitor, multiple timing-synchronized high-power electric pulses are outputted.
    Type: Application
    Filed: March 18, 2025
    Publication date: July 3, 2025
    Inventors: LINGYUN WANG, JIANQIANG YUAN, LIANGJI ZHOU, LIN CHEN, HONGWEI LIU, WEIPING XIE, MENG WANG, HONGTAO LI, YI SHEN, AN HE, JIABIN FU, PING JIANG, YUAN LI, BING WEI, YANG HE, CHUANJUN FENG, YUE ZHAO, JIE WANG, JUNJUN KANG, ZHAOHUI ZHANG
  • Publication number: 20250221305
    Abstract: Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.
    Type: Application
    Filed: March 14, 2025
    Publication date: July 3, 2025
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Chuanjun XIA
  • Publication number: 20250207019
    Abstract: Novel Iridium complexes having three different bidentate ligands useful for phosphorescent emitters in OLEDs are disclosed. At least one of the three different bidentate ligands is a carbene ligand.
    Type: Application
    Filed: February 7, 2025
    Publication date: June 26, 2025
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Chuanjun XIA, Chun LIN, Adrian U. PALACIOS, Enrique OÑATE, Miguel A. ESTERUELAS, Pierre-Luc T. BOUDREAULT, Sonia BAJO, Montserrat OLIVAN
  • Publication number: 20250194632
    Abstract: A method for producing a high-purity rice protein powder and a rice syrup is provided. The method includes: homogenizing a rice slurry, adding amylase thereto, heating the resulting mixture for a reaction to obtain a rice syrup liquid, and subjecting same to centrifugal separation to separately obtain a liquid-phase rice sugar liquid and a first precipitate; subjecting the liquid-phase rice sugar liquid to decoloration, ion exchange and evaporation to obtain a rice syrup, adding the first precipitate into second wastewater, and subjecting same to washing and centrifugal dewatering to obtain a second precipitate; adding pure water into the second precipitate, stirring same until uniform, heating same to 60° C. or more, maintaining the temperature, and dehydrating same to obtain a filter cake and second wastewater; and crushing and drying the filter cake to obtain a rice protein powder with a high purity and without thermal denaturation.
    Type: Application
    Filed: March 15, 2023
    Publication date: June 19, 2025
    Inventors: Chuanjun Zou, Jiarui Zou
  • Publication number: 20250194418
    Abstract: Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a compound having a structure of Formula 1 and can be used as a host material in an organic electroluminescent device. These new compounds can provide better device performance such as unexpected improvement in lifetime. Further provided are an organic electroluminescent device comprising the compound, a compound composition comprising the compound and an electronic device comprising the compound.
    Type: Application
    Filed: December 9, 2024
    Publication date: June 12, 2025
    Inventors: Qiang Wang, Le Wang, Ziyan Zhang, Gaoqi Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Publication number: 20250183166
    Abstract: This invention discloses iridium complexes containing phenylpyridine ligand wherein there is an aryl or heterocyclic ring fused into phenyl ring. The iridium complexes showed desired device performance.
    Type: Application
    Filed: December 16, 2024
    Publication date: June 5, 2025
    Inventors: Bin Ma, Chuanjun Xia
  • Patent number: 12319857
    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: September 20, 2023
    Date of Patent: June 3, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Mingjuan Su, Alan Deangelis, Edward Barron, Chuanjun Xia
  • Patent number: 12302750
    Abstract: The present invention relates to novel light-emitting materials. These materials comprise a side chain that includes a fully deuterated or partially deuterated alkyl chain. This new side chain could improve device lifetime compared to nondeuterated side chains.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: May 13, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin
  • Patent number: 12302753
    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: Grant
    Filed: January 18, 2022
    Date of Patent: May 13, 2025
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Hualong Ding, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Patent number: 12295199
    Abstract: Disclosed is a device that includes an emissive material or region including a host that is doped with a first material as an emitter that is an acceptor and a phosphorescent-capable second material as a sensitizer. The first material and the second material each has a first singlet state and a first triplet state. The first triplet state of the second material is not lower than the first triplet state of the first material. The second material transfers excitons to the first material and the excitons that transition to the first triplet state of the first material can be activated to the first singlet state of the first material through a thermal activation process.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: May 6, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Woo-Young So, Jui-Yi Tsai, Chuanjun Xia
  • Patent number: 12295262
    Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: May 6, 2025
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia
  • Patent number: 12289984
    Abstract: Metal complexes containing azabenzothiazole are disclosed, which comprise a new series of ligands containing azabenzothiazole structure. The metal complexes can be used as emitters in the emissive layer of an organic electroluminescent device. The use of these novel metal complexes as emitters in OLED devices leads to more saturated color than the compounds containing benzothiazole ligands. An electroluminescent device and a formulation are also disclosed.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 29, 2025
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • Publication number: 20250133952
    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: December 12, 2024
    Publication date: April 24, 2025
    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: 12284913
    Abstract: Organic materials containing dibenzofuran or aza-dibenzofuran moiety are disclosed in this application. These materials are expected to improve OLED device performance.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: April 22, 2025
    Inventors: Lichang Zeng, Zeinab Elshenawy, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia
  • Patent number: 12281082
    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: Grant
    Filed: June 2, 2021
    Date of Patent: April 22, 2025
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Qiang Wang, Le Wang, Junfei Wang, Han Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Patent number: 12284911
    Abstract: A dual host system for OLEDs that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the OLEDs is disclosed.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: April 22, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Vadim Adamovich, Chuanjun Xia, Michael Weaver
  • Patent number: 12274165
    Abstract: Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: April 8, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Chuanjun Xia
  • Patent number: 12274157
    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: October 30, 2023
    Date of Patent: April 8, 2025
    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: 12274167
    Abstract: Disclosed are a novel organic electroluminescent material and a device thereof. Such a novel organic electroluminescent material has a structure of Formula 1, and when applied to the organic electroluminescent device, can improve the balance of electrons and holes in the organic electroluminescent device and thus bring excellent device effects such as the improvement of external quantum efficiency, current efficiency, and service life. The novel organic electroluminescent material can be used to prepare organic semiconductor devices and is suitable for different types of organic semiconductor devices, including but not limited to fluorescent OLEDs, phosphorescent OLEDs, white OLEDs, laminated OLEDs, OTFTs, OPVs, etc. Further disclosed are an electroluminescent device comprising the organic electroluminescent material and a compound formulation comprising the organic electroluminescent material.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: April 8, 2025
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Hualong Ding, Chi Yuen Raymond Kwong, Chuanjun Xia