公开(公告)号：US20140361272A1

公开(公告)日：2014-12-11

申请号：US14291806

申请日：2014-05-30

Applicant: Samsung Display Co., LTD.

Inventor： Young-Cheol JOO ,  Soo-Jin PARK

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

CPC classification number: H01L51/5088 ,  H01L51/0072 ,  H01L51/5008 ,  H01L51/5056

Abstract: A light emitting element includes: a first electrode, a hole injection layer disposed on the first electrode; a hole transport layer disposed on the hole injection layer; a light emitting layer disposed on the hole transport layer, where the light emitting layer includes a light emission host and a light emission dopant; an electron transport layer disposed on the light emitting layer; an electron injection layer disposed on the electron transport layer; and a second electrode disposed on the electron injection layer.

Abstract translation: 发光元件包括：第一电极，设置在第一电极上的空穴注入层; 设置在空穴注入层上的空穴传输层; 设置在空穴传输层上的发光层，其中发光层包括发光主体和发光掺杂剂; 设置在发光层上的电子传输层; 设置在电子传输层上的电子注入层; 以及设置在电子注入层上的第二电极。