LIGHT EMITTING DEVICE
    1.
    发明申请

    公开(公告)号:US20220216425A1

    公开(公告)日:2022-07-07

    申请号:US17445981

    申请日:2021-08-26

    Abstract: A light emitting device of an embodiment includes a first electrode oppositely disposed to a second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:

    ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE

    公开(公告)号:US20200185605A1

    公开(公告)日:2020-06-11

    申请号:US16547504

    申请日:2019-08-21

    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, in which at least one of the organic layers includes a polycyclic compound including a plurality of electron donors and an electron acceptor connecting the electron donors, at least one of the electron donors is a condensed ring including a borepine core, and the electron acceptor includes a phenyl group including, as a substituent, at least one cyano group or a heterocycle including at least one nitrogen atom, or a heteroaryl group including an oxygen atom or a sulfur atom for forming a ring, thereby achieving improved emission efficiency.

Patent Agency Ranking