Patents by Inventor Kunkun LIU

Kunkun LIU 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).

  • Patent number: 9859509
    Abstract: The invention provides a thioxanthone aromatic amine compound and an organic light emitting device using the compound. The thioxanthone aromatic amine compound includes a compound expressed by formula (I) or formula (II): where Ar1 and Ar2 each are selected from ammonia compounds with structures respectively expressed by formula (III) to formula (VII), or hydrogen atom, thioxanthone aromatic amine compound of the invention has single structure, determinate molecular weight, and has better solubility and film-forming property, and also has low biochemical temperature and decomposition temperature, and stable film morphology.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: January 2, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yifan Wang, Qinghua Zou, Shijian Su, Kunkun Liu, Zhiheng Wang, Yunchuan Li
  • Patent number: 9634260
    Abstract: The disclosure provides a conjugated compound having phenoxathiinl, method for preparing the same and OLED. The conjugated compound has one of the following formulas: Different kinds of electron-rich conjugated aromatic units are reacted with intermediate having phenoxathiinl by Suzuki coupling, Buchwald-Hartwig coupling, or Cu-catalyzed amination of halogenated aromatic hydrocarbons for forming the conjugated compound having phenoxathiin. The prepared novel compound is fluorescent, so that it can be used as the material of light emitting layer of OLED devices.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: April 25, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianjie Li, Yuanchun Wu, Shijian Su, Ming Liu, Kunkun Liu
  • Patent number: 9604941
    Abstract: The invention provides a conjugated compound containing a bis(phenylsulfonyl)benzene structure, a preparation method and an application thereof, the compound includes a chemical structure with one of structural general formulas as follows: the invention obtains a conjugated compound containing a bis(phenylsulfonyl)benzene structure by selecting multiple kinds of conjugated aromatic units to react with halogen-substituted bis(phenylsulfonyl)benzene in the manner of Suzuki coupling reaction, Buchwald-Hartwig coupling reaction or copper-catalyzed halogenated aromatic amination reaction. The novel compound prepared by the invention has the characteristic of fluorescence as well as a certain electrical conductivity, and thus can be applied to fabricate a light-emitting layer or an electron transport layer of an organic electroluminescent diode.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: March 28, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianjie Li, Yuanchun Wu, Shijian Su, Kunkun Liu, Ming Liu
  • Publication number: 20160351831
    Abstract: The invention provides a thioxanthone aromatic amine compound and an organic light emitting device using the compound. The thioxanthone aromatic amine compound includes a compound expressed by formula (I) or formula (II): where Ar1 and Ar2 each are selected from ammonia compounds with structures respectively expressed by formula (III) to formula (VII), or hydrogen atom, thioxanthone aromatic amine compound of the invention has single structure, determinate molecular weight, and has better solubility and film-forming property, and also has low biochemical temperature and decomposition temperature, and stable film morphology.
    Type: Application
    Filed: April 22, 2015
    Publication date: December 1, 2016
    Inventors: Yifan Wang, Qinghua Zou, Shijian Su, Kunkun Liu, Zhiheng Wang, Yunchuan Li
  • Publication number: 20160322584
    Abstract: The disclosure provides a conjugated compound having phenoxathiinl, method for preparing the same and OLED. The conjugated compound has one of the following formulas: Different kinds of electron-rich conjugated aromatic units are reacted with intermediate having phenoxathiinl by Suzuki coupling, Buchwald-Hartwig coupling, or Cu-catalyzed amination of halogenated aromatic hydrocarbons for forming the conjugated compound having phenoxathiin. The prepared novel compound is fluorescent, so that it can be used as the material of light emitting layer of OLED devices.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 3, 2016
    Inventors: Xianjie Li, Yuanchun Wu, Shijian Su, Ming Liu, Kunkun Liu
  • Publication number: 20160322567
    Abstract: The invention provides a conjugated compound containing a bis(phenylsulfonyl)benzene structure, a preparation method and an application thereof, the compound includes a chemical structure with one of structural general formulas as follows: the invention obtains a conjugated compound containing a bis(phenylsulfonyl)benzene structure by selecting multiple kinds of conjugated aromatic units to react with halogen-substituted bis(phenylsulfonyl)benzene in the manner of Suzuki coupling reaction, Buchwald-Hartwig coupling reaction or copper-catalyzed halogenated aromatic amination reaction. The novel compound prepared by the invention has the characteristic of fluorescence as well as a certain electrical conductivity, and thus can be applied to fabricate a light-emitting layer or an electron transport layer of an organic electroluminescent diode.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 3, 2016
    Inventors: Xianjie Li, Yuanchun Wu, Shijian Su, Kunkun Liu, Ming Liu
  • Patent number: 9455410
    Abstract: The present invention provides a micromolecular electron transport material based on pyridine and triazole, which is represented by the formula I, and an organic light-emitting diode using the micromolecular electron transport material. The micromolecular electron transport material of the present invention can improve the capacity of electron injection, transmitting and hole-blocking, thus can gain high ET and reduce the driving voltage of device.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 27, 2016
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Shi-Jian Su, Hua Ye, Kunkun Liu, Xianglong Li, Yi-Fan Wang, Qinghua Zou
  • Publication number: 20150318485
    Abstract: The present invention provides a micromolecular electron transport material based on pyridine and triazole, which is represented by the formula I, and an organic light-emitting diode using the micromolecular electron transport material. The micromolecular electron transport material of the present invention can improve the capacity of electron injection, transmitting and hole-blocking, thus can gain high ET and reduce the driving voltage of device.
    Type: Application
    Filed: January 6, 2014
    Publication date: November 5, 2015
    Inventors: Shi-Jian SU, Hua YE, Kunkun LIU, Xianglong LI, Yi-Fan WANG, Qinghua ZOU