公开(公告)号：US20210408424A1

公开(公告)日：2021-12-30

申请号：US17469833

申请日：2021-09-08

Applicant: Anhui University

Inventor： Xingang REN ,  Qing CI ,  Zhixiang HUANG ,  Kaikun NIU ,  Ming FANG ,  Guangshang CHENG ,  Lixia YANG

IPC: H01L51/50 ,  H01L51/52

Abstract: This disclosure provides a perovskite light-emitting diode with an adjustable light field, including a glass layer, an anode, a hole transport layer, an emission layer, an electron transport layer and a cathode in sequence from top to bottom. The electron transport layer is provided with a periodic nano-grating structure.