申请人:Sony Corporation
公开号:EP2709183A1
公开(公告)日:2014-03-19
An organic EL multi-color emitting device including a substrate, and a first light-emitting element and a second light-emitting element arranged on the surface of the substrate; the first light-emitting element including, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the second light-emitting element including, between an anode and a cathode, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the first organic layer including a first light-emitting dopant; the third organic layer including a second light-emitting dopant; the second organic layer including any of (A) a compound including an arylamine site, and a furan site or a thiophene site, (B) a compound including an arylamine site and a site comprising a nitrogen-containing six-membered ring structure, (C) a compound including a carbazole site; and a furan site or a thiophene site, and (D) a compound including a carbazole site and a site including a nitrogen-containing six-membered ring structure.
一种有机EL多色发光器件,包括基板,以及排列在基板表面上的第一发光元件和第二发光元件;所述第一发光元件在阳极和阴极之间,在垂直于基板表面的方向上依次包括第一有机层、第二有机层和第三有机层;所述第二发光元件在阳极和阴极之间,在垂直于基板表面的方向上依次包括第二有机层和第三有机层;第一有机层包括第一发光掺杂剂; 第三有机层包括第二发光掺杂剂; 第二有机层包括以下任何一种化合物 (A) 包括芳基胺位点和呋喃位点或噻吩位点的化合物, (B) 包括芳基胺位点和包含含氮六元环结构的位点的化合物, (C) 包括咔唑位点的化合物;(D) 包括一个咔唑位点和一个含氮六元环结构的位点的化合物。