公开(公告)号：US20190148648A1

公开(公告)日：2019-05-16

申请号：US16042794

申请日：2018-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin LEE ,  Jihye SHIM ,  Yeonwoo LEE ,  Jehong CHOI ,  Hyunju CHOI ,  Sangwoo PYO ,  Myungsuk HAN

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: Disclosed are an organic light-emitting diode and an organic light-emititng display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; and an organic layer interposed between the first electrode and the second layer and including a hole transport region, a light-emitting layer, an electron transport region, and a diffusion barrier layer, wherein the diffusion barrier layer includes one or more diffusion barrier materials including a 6- to 20-membered N-heterocyclic aromatic compound, a lithium complex, and/or a phosphine oxide-based compound.

公开(公告)号：US20190148663A1

公开(公告)日：2019-05-16

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: H01L51/50 ,  H01L51/52 ,  H05B33/10 ,  H01L27/32

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.