公开(公告)号：US10903442B2

公开(公告)日：2021-01-26

申请号：US16040471

申请日：2018-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin Lee ,  Jihye Shim ,  Yeonwoo Lee ,  Jehong Choi ,  Hyunju Choi ,  Sangwoo Pyo ,  Myungsuk Han

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H05B33/10

Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.