Patents Assigned to IDEMIITSU KOSAN CO., LTD.
  • LADDER COMPOUND, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
    Publication number: 20150270496
    Abstract: A compound represented by the following formula (1). In the formula (1), when Ar1 and Ar2 are the same substituents, as for all of the following pairs: Y1 and Y12, Y2 and Y11, Y3 and Y10, Y4 and Y9, Y5 and Y8, and Y6 and Y7, Y1 to Y12 of each pair are not the same as each other.
    Type: Application
    Filed: October 10, 2013
    Publication date: September 24, 2015
    Applicant: IDEMIITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Ryohei Hashimoto, Kei Yoshida