公开(公告)号：US20160155950A1

公开(公告)日：2016-06-02

申请号：US14886420

申请日：2015-10-19

Applicant: LG DISPLAY CO., LTD.

Inventor： JungKeun KIM ,  ChangWook HAN ,  DoHan KIM ,  YoonHeung TAK ,  Jeongdae SEO ,  Hyoseok KIM ,  Hyeseung KANG ,  Jun Yeob LEE

IPC: H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/0052 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5084 ,  H01L51/5088 ,  H01L51/5278 ,  H01L2251/552

Abstract: An organic light emitting display device is disclosed. The organic light emitting device includes a first light emitting part between an anode and a cathode, the first light emitting layer having a hole injection layer, a first hole transport layer, and a first light emitting layer; a second light emitting part over the first light emitting part, the second light emitting part having a second hole transport layer and a second light emitting layer; and a first charge generation layer between the first light emitting part and the second light emitting part, the first charge generation layer having a P-type charge generation layer, wherein at least one among the hole injection layer, the first hole transport layer, the second hole transport layer, and the P-type charge generation layer includes a carbonitrile compound.

Abstract translation: 公开了一种有机发光显示装置。 有机发光器件包括在阳极和阴极之间的第一发光部分，第一发光层具有空穴注入层，第一空穴传输层和第一发光层; 在所述第一发光部分上方的第二发光部分，所述第二发光部分具有第二空穴传输层和第二发光层; 以及在第一发光部分和第二发光部分之间的第一电荷产生层，第一电荷产生层具有P型电荷产生层，其中空穴注入层，第一空穴传输层， 第二空穴传输层，P型电荷产生层包括腈化合物。