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: 11653558
    Abstract: A compound having the formula (LA)mIr(LB)3-m, where LA is and LB is selected from is disclosed. In the formula (LA)mIr(LB)3-m, LA and LB are different; each of X1 to X5 is C—RF or nitrogen; X is selected from O, S, and Se; each R1, R2, RB, RD, RE, and RF is hydrogen or a substituent; R3 is alkyl, cycloalkyl, or a combination thereof; and m is 1 or 2. OLEDs, consumer products, and formulations including the compound are also disclosed.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: May 16, 2023
    Assignee: Universal Display Corporation
    Inventors: Bin Ma, Edward Barron, Alan DeAngelis, Walter Yeager, Zeinab Elshenawy, Harvey Wendt, Ting-Chih Wang, Kwang-Ohk Cheon, Chuanjun Xia
  • Metal complex containing a first ligand, a second ligand, and a third ligand
    Patent number: 11653559
    Abstract: A metal complex containing three different ligands which may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can not only achieve device performed desired to be adjusted or improved by adjusting substituents but also have the effect of effectively controlling increase of the evaporation temperature. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: May 16, 2023
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Nannan Lu, Zhihong Dai, Qi Zhang, Cuifang Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • LIGHT-EMITTING MATERIAL WITH A POLYCYCLIC LIGAND
    Publication number: 20230144101
    Abstract: Provided is a light-emitting material with polycyclic ligand. The light-emitting material is a metal complex with polycyclic ligand and may be used as a light-emitting material in an electroluminescent device. While maintaining a very narrow FWHM, these novel metal complexes can better adjust the light-emitting color of the device, reduce the driving voltage of the device or maintain the driving voltage at a low level, improve device efficiency, greatly increase the lifetime of the device, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 11, 2023
    Inventors: Qi ZHANG, Cuifang ZHANG, Nannan LU, Chi Yuen Raymond KWONG, Chuanjun XIA, Han ZHANG, Xueyu LU, Zhihong DAI
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
    Publication number: 20230137110
    Abstract: Provided are an organic electroluminescent material and device. The organic electroluminescent material is a novel compound containing a dehydrobenzooxazole, dehydrobenzothiazole, dehydrobenzoselenazole, dehydrobenzimidazole structure or a similar structure. These novel compounds have properties such as a deep LUMO, strong electron acceptability, a strong charge transfer ability and low volatility. Due to unique properties, these novel compounds have the prospect for wide applications in the field of organic semiconductors, especially the potential for use as p-type conductive doping materials, charge transporting layer materials, hole injection layer materials and electrode materials of the organic semiconductors.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 4, 2023
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Zhihao Cui, Renjie Zheng, Juntao Hu, Hualong Ding, Chi Yuen Raymond Kwong, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230133996
    Abstract: New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed.
    Type: Application
    Filed: December 20, 2022
    Publication date: May 4, 2023
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Lichang ZENG, Jui-Yi TSAI, Chun LIN, Chuanjun XIA, Alexey Borisovich DYATKIN, Walter YEAGER
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20230136831
    Abstract: Provided is an organic electroluminescent device. The organic 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 H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound can be used as the host material in organic electroluminescent devices. The electroluminescent device has a long device lifetime and can provide better device performance. Further provided is a compound composition.
    Type: Application
    Filed: September 29, 2022
    Publication date: May 4, 2023
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Le Wang, Qiang Wang, Han Zhang, Ziyan Zhang, Meiying Wang, Junfei Wang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11641774
    Abstract: A method for fabricating an OLED using a mixture that is an evaporation source for a vacuum deposition process includes providing a container that contains the mixture, providing a substrate having a first electrode disposed thereon, depositing an organic layer over the first electrode by evaporating the mixture in the container in a high vacuum deposition tool, and depositing a second electrode over the organic layer.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: May 2, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Vadim Adamovich, Lichang Zeng, Ting-Chih Wang, Chuanjun Xia, Michael S. Weaver
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230130110
    Abstract: A composition of materials including a first compound having a structure according to Formula I
    Type: Application
    Filed: August 15, 2022
    Publication date: April 27, 2023
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Suman Layek, Pierre-Luc T. Boudreault, Zeinab Elshenawy, Gregg Kottas, Alexey Borisovich Dyatkin, Scott Joseph, Vadim Adamovich, Chuanjun Xia, Ting-Chih Wang, Walter Yeager
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230126221
    Abstract: A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 27, 2023
    Applicant: Universal Display Corporation
    Inventors: LICHANG ZENG, Ting-Chih Wang, Alexey Borisovich Dyatkin, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230131934
    Abstract: Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 27, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang ZENG, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11637251
    Abstract: Novel compounds comprising heteroleptic iridium complexes are provided. The compounds have a particular combination of ligands which includes a single pyridyl dibenzo-substituted ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants, to provide devices having improved efficiency, lifetime, and manufacturing.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: April 25, 2023
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Raymond C. Kwong, Suman Layek
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230111223
    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: November 8, 2022
    Publication date: April 13, 2023
    Applicant: Universal Display Corporation
    Inventors: BIN MA, Mingjuan SU, Alan DEANGELIS, Edward BARRON, Chuanjun XIA
  • Organic electroluminescent materials and devices
    Patent number: 11626563
    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: Grant
    Filed: March 10, 2020
    Date of Patent: April 11, 2023
    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
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20230107413
    Abstract: Iridium complexes comprising three different bidentate ligands and their use in OLEDs to enhance the device efficiency and lifetime are disclosed. The complexes have a structure of the formula Ir(LA)(LB)(LC), where ligand LA is selected from a variety of structures, ligand LB has the structure and LC has the structure In these structures rings A, B, C, and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; R1, R2, R3, RA, RB, RC, and RD can be any of a variety of substituents, and Z1 and Z2 are each independently C or N.
    Type: Application
    Filed: August 4, 2022
    Publication date: April 6, 2023
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Zhiqiang Ji, Alexey Borisovich Dyatkin, Chuanjun Xia, Chun Lin, Lichang Zeng, Walter Yeager
  • LUMINESCENT MATERIAL HAVING MULTI-SUBSTITUTED PHENYL LIGAND
    Publication number: 20230109178
    Abstract: Provided is a luminescent material having a multi-substituted phenyl ligand, wherein the luminescent material is a metal complex, the metal complex has a general formula of M(La)m(Lb)n(Lc)q, and the first ligand La has a structure of Formula 1. The metal complex can be used as luminescent materials in organic electroluminescent devices. This new metal complex can improve the device efficiency and provide more saturated deep red luminescence, thereby providing better device performance. Further provided are an electroluminescent device and a compound composition.
    Type: Application
    Filed: July 18, 2022
    Publication date: April 6, 2023
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Zhihong Dai, Qi Zhang, Chi Yuen Raymond Kwong, Chuanjun Xia
  • Organic electroluminescent materials and devices
    Patent number: 11611042
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: March 21, 2023
    Assignee: Universal Display Corporation
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Ting-Chih Wang, Michael S. Weaver, Chuanjun Xia, Bert Alleyne, Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Scott Joseph
  • Organic electroluminescent materials and devices
    Patent number: 11605789
    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: Grant
    Filed: June 12, 2019
    Date of Patent: March 14, 2023
    Assignee: 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
  • Organic electroluminescent materials and devices
    Patent number: 11600791
    Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: March 7, 2023
    Assignee: Universal Display Corporation
    Inventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
  • Organic electroluminescent materials and devices
    Patent number: 11600782
    Abstract: Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 7, 2023
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Chuanjun Xia
  • ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE
    Publication number: 20230063868
    Abstract: Disclosed are organic electroluminescent material and device. The organic electroluminescent material is a metal complex with a structure of Formula 1. These novel metal complexes can be used in electroluminescent device, and show more excellent performance, for example, they can reduce the driving voltage and full width at half maximum, obtain more saturated light emission, improve the efficiency and the lifetime of the device, and finally, it can improve the comprehensive performance of the device significantly.
    Type: Application
    Filed: July 7, 2022
    Publication date: March 2, 2023
    Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Ming Sang, Zhen Wang, Hongbo Li, Wei Cai, Zheng Wang, Chi Yuen Raymond Kwong, Chuanjun Xia