Patents by Inventor Dongxin MA

Dongxin MA 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: 10749128
    Abstract: The present invention relates to a depositable ionic organic functional material having a structure selected from the formulas (21) to (26). The depositable ionic organic functional material can be used in high-efficiency blue to red OLEDs. The present invention also relates to an organic electroluminescent device using the depositable ionic organic functional material as a dopant in the organic light-emitting layer thereof.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: August 18, 2020
    Assignees: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Lian Duan, Dongxin Ma, Song Liu, Jing Xie, Fei Zhao
  • Publication number: 20180277785
    Abstract: The present invention relates to a depositable ionic organic functional material having a structure shown in the following formula (1): wherein, R is a hydrogen atom, a halogen atom or —CF3; R? is a hydrogen atom or a halogen atom; the N?N ligand is selected from Pzpy shown in the following formula (31) and its derivatives, Pyim shown in the following formula (32), Ptop shown in the following formula (33), Pop shown in the following formula (34), Bpy shown in the following formula (35), and Dfppy shown in the following formula (36): When the functional material is used as a luminescent dye, the synthesis conditions are mild and easy to carry out, the yield is high, and the product is simple to purify. The functional material can be used in high-efficiency blue to red OLEDs.
    Type: Application
    Filed: June 15, 2016
    Publication date: September 27, 2018
    Applicants: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., Tsinghua University
    Inventors: Lian DUAN, Dongxin MA, Song LIU, Jing XIE, Fei ZHAO