Rabin & Berdo, P.C.
Dye-sensitized upconversion nanophosphor
Provided is a dye-sensitized upconversion nanophosphor including a core, a first shell surrounding at least part of the core, and an organic dye bonded to a surface of the nanophosphor which has an absorption band ranging from 650 nm to 850 nm and which is excited in a near-infrared region to emit visible light. The dye-sensitized upconversion nanophosphor may be included in a display apparatus, a fluorescent contrast agent, or an anti-counterfeiting code. The organic dye may be an IR-808 dye.
Korea Institute of Science and Technology
C C C C G
C09K C09K C09K C09K G06Q
inventional inventional inventional inventional additional
A Ra Joon Soo Seung Yong Ho Seong So Hye Hyung Duk
Hong Han Lee Jang Cho Ko