公开(公告)号：US20170250348A1

公开(公告)日：2017-08-31

申请号：US15241236

申请日：2016-08-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundo JIN ,  Jaeyoung LEE ,  Youngtak LEE

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0081 ,  H01L51/508 ,  H01L51/52

Abstract: An organic light emitting device including a first electrode; a hole transport region on the first electrode; an emission layer on the hole transport region; a first buffer layer on the emission layer; a second buffer layer on the first buffer layer; an electron transport region on the second buffer layer; and a second electrode on the electron transport region, wherein the first buffer layer includes a first buffer compound represented by the following Formula 1 or Formula 2, and the second buffer layer includes a second buffer compound represented by the following Formula 3:

公开(公告)号：US20170133604A1

公开(公告)日：2017-05-11

申请号：US15194611

申请日：2016-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngtak LEE ,  Jahyun IM ,  Hyundo JIN

IPC: H01L51/00 ,  C07D493/04

CPC classification number: H01L51/0073 ,  C07D493/04 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/5016 ,  H01L51/5096 ,  H01L2251/558

Abstract: An organic light emitting device and a display device, the organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; a buffer layer on the emission layer; an electron transport region on the buffer layer; and a cathode on the electron transport region, wherein the buffer layer includes a buffer compound represented by the following Formula 1: