Patents by Inventor Shun UNAYAMA

Shun UNAYAMA 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).

  • Light-emitting material, organic light-emitting device, and compound
    Patent number: 10256415
    Abstract: An organic light-emitting device having a compound represented by the following general formula in a light-emitting layer thereof has a high light emission efficiency. R1 to R5 each independently represent a hydrogen atom or a substituent having a Hammett ?p value of 0 or more. R6 to R20 each independently represent a hydrogen atom or a substituent, provided that at least one of R6 to R20 represents a substituted or unsubstituted N,N-diarylamino group. m represents 1 or 2.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: April 9, 2019
    Assignee: KYULUX, INC.
    Inventors: Tadahisa Sato, Shun Unayama, Jie Li, Chihaya Adachi
  • LIGHT-EMITTING MATERIAL, ORGANIC LIGHT-EMITTING DEVICE, AND COMPOUND
    Publication number: 20170110670
    Abstract: An organic light-emitting device having a compound represented by the following general formula in a light-emitting layer thereof has a high light emission efficiency. R1 to R5 each independently represent a hydrogen atom or a substituent having a Hammett ?p value of 0 or more. R6 to R20 each independently represent a hydrogen atom or a substituent, provided that at least one of R6 to R20 represents a substituted or unsubstituted N,N-diarylamino group. m represents 1 or 2.
    Type: Application
    Filed: March 6, 2015
    Publication date: April 20, 2017
    Inventors: Tadahisa SATO, Shun UNAYAMA, Jie LI, Chihaya ADACHI