ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

    公开(公告)号:US20210091313A1

    公开(公告)日:2021-03-25

    申请号:US17017186

    申请日:2020-09-10

    Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting layer, and a second emitting layer, in which the first emitting layer includes a first host material in a form of a first compound represented by a formula (1), the second emitting layer includes a second host material in a form of a second compound represented by a formula (2) and having at least one group represented by a formula (21), and the first emitting layer is in direct contact with the second emtting layer.

Patent Agency Ranking