US Patent No. 10,925,133

CARBON DOT LIGHT EMITTING DIODES


Patent No. 10,925,133
Issue Date February 16, 2021
Title Carbon Dot Light Emitting Diodes
Inventorship Weiyong Yu, Shreveport, LA (US)
Yu Zhang, Changchun (CN)
Assignee BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY, Baton Rouge, LA (US)

Claim of US Patent No. 10,925,133

1. A method of producing light comprising the step of:supplying a current of electricity to an electroluminescent light emitting diode (LED);
wherein the electroluminescent LED device comprises a hole transport layer, an electron transport layer, an active emissive layer between the hole transport layer and the electron transport layer, and carbon dots form the active emissive layer; and
wherein the light emitting diode device is an electroluminescent light emitting diode device, and the carbon dots are substantially spherical in shape.