Patent ID: 11870004
Assignee: HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 3:
4. A quantum dot light-emitting device, comprising:
a hole transport layer, a quantum dot emitting layer and an electron transport layer,
wherein the electron transport layer comprises a metal oxide nanoparticle comprising:
a Zn containing metal Me1 oxide nanoparticle of Zn1-xMe1O (0≤x≤0.5) composition;
and a metal Me2 ion surface treatment layer formed on a surface of the nanoparticle,
wherein Me1 is any one selected from Li, Be, Na, Mg, Al, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Ge, Rb, Sr, Zr, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Sb, Ba, or a combination thereof,

and wherein Me2 is any one selected from Li, Be, Na, Mg, Al, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Zr, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Sb, Ba, or a combination thereof.