公开(公告)号：US20160204356A1

公开(公告)日：2016-07-14

申请号：US14728141

申请日：2015-06-02

Applicant: Samsung Display Co. Ltd.

Inventor： Seung Gak YANG ,  Hee Yeon KIM

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384

Abstract: An organic light emitting diode comprises a first electrode; a second electrode; and an organic layer comprising a first hole-transporting host, a second electron-transporting host, and a phosphorescent guest, and arranged between the first electrode and the second electrode, wherein the first hole-transporting host comprising at least one selected from the group consisting of compounds expressed by chemical formulas 1 and 2 below, wherein in the chemical formulas 1 and 2, A, L, and R1 to R20 are defined the same as in the specification.

Abstract translation: 有机发光二极管包括第一电极; 第二电极; 以及包含第一空穴传输性主体，第二电子传输性主体和磷光客体的有机层，并配置在所述第一电极与所述第二电极之间，其中，所述第一空穴传输性主体包含选自所述第一空穴传输性基团， 由以下化学式1和2表示的化合物组成，其中在化学式1和2中，A，L和R 1至R 20定义与说明书中相同。