公开(公告)号：US20200248070A1

公开(公告)日：2020-08-06

申请号：US16566903

申请日：2019-09-11

Applicant: Lextar Electronics Corporation

Inventor： Zhen BAO ,  Yu-Jui TSENG ,  Ru-Shi LIU ,  Hung-Chun TONG ,  Hung-Chia WANG ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: C09K11/66 ,  C01G21/00 ,  H01L33/50

Abstract: A perovskite luminescent nanocrystal has a chemical formula represented by: Cs4BX6, wherein B includes one or more selected from the group consisting of Ge, Pb, Sn, Sb, Bi, Cu, and Mn, and X includes one or more selected from the group consisting of Cl, Br, and I, wherein the Cs4BX6 perovskite luminescent nanocrystal has a pure phase, and a molar ratio of Cs to B (Cs/B) in the Cs4BX6 perovskite luminescent nanocrystal is greater than 1 and less than 4.