公开(公告)号：US11680205B2

公开(公告)日：2023-06-20

申请号：US17369961

申请日：2021-07-08

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ho Seong Jang ,  Gumin Kang ,  A-Ra Hong ,  Seung Yong Lee

IPC: C09K11/77 ,  C09K11/02 ,  G01N21/64 ,  B82Y20/00

CPC classification number: C09K11/7773 ,  C09K11/02 ,  B82Y20/00 ,  G01N21/64

Abstract: Provided is a core/multishell tetragonal upconversion nanophosphor capable of being excited by near-infrared (NIR) light having wavelengths of 800±20 nm, 980±20 nm, and 1532±20 nm to emit light of blue, green, red, and combinations thereof.