Organic light-emitting device
    2.
    发明授权

    公开(公告)号:US10930853B2

    公开(公告)日:2021-02-23

    申请号:US15182298

    申请日:2016-06-14

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound as a fluorescent host and a third compound as a fluorescent dopant, and the electron transport region includes a fourth compound and a fifth compound including, as a ring-forming moiety, a nitrogen-containing heterocyclic group including *═N—*′, wherein the first compound, the fourth compound, and at least one selected from the second compound and the third compound each independently include at least one group selected from groups represented by Formulae A to D:

Patent Agency Ranking