Patent ID: 11912919
Assignee: NAJING TECHNOLOGY CORPORATION LIMITED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  H  B | IPC B  C  H

Claim 0:
1. A core-shell quantum dot, wherein a core of said quantum dot is CdSeXS(1-X), and shells of said quantum dot comprise a first shell and a second shell covering said first shell, said first shell being selected from one or more of ZnSe, ZnSeYS(1-Y) and Cd(Z)Zn(1-Z)S, said second shell being one of Cd(Z)Zn(1-Z)S and ZnS, a maximum emission peak of said core-shell quantum dot being less than or equal to 480 nm, wherein, 0<X<1, 0<Y<1, 0<Z<1; a photoluminescence efficiency of said quantum dot is greater than or equal to 90%.