公开(公告)号：US20160308137A1

公开(公告)日：2016-10-20

申请号：US15094099

申请日：2016-04-08

Applicant: SFC CO., LTD.

Inventor： Young-hwan PARK ,  Seo-Yeon YOON ,  Jeong-Soo KIM ,  Yeon-Kwon RYU ,  Jea-Geon LIM ,  Ji-Hwan KIM

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0058 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  C09K2211/1088 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/5004 ,  H01L51/508

Abstract: Disclosed herein is an organic light-emitting diode, comprising an anode, a hole transport layer, a light-emitting layer including a host and a dopant, an electron transport layer, and a cathode in that order, wherein an electron-density-controlling layer including an anthracene derivative represented by the following Chemical Formula A is disposed between the light-emitting layer and the electron transport layer, and wherein an affinity Ah (eV) of the host of the light-emitting layer, an affinity Aed (eV) of the electron-density-controlling layer, and an affinity Ae (eV) of the electron transport layer satisfy an relationship of Ah≧Aed≧Ae.

Abstract translation: 本发明公开了一种有机发光二极管，其包括阳极，空穴传输层，包括主体和掺杂剂的发光层，电子传输层和阴极，其中电子密度控制 包含由以下化学式A表示的蒽衍生物的层设置在发光层和电子传输层之间，并且其中发光层的主体的亲和力Ah（eV），亲和力Aed（eV） 的电子密度控制层，并且电子传输层的亲和力Ae（eV）满足Ah≥Aed≥Ae的关系。