Patent · US Active

Quantum dot device and quantum dots

US11569468B2 · kind B2 · utility

3Cited by
8References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2021
Grant dateJan 31, 2023
Priority date
Expiry dateApr 15, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K50/115
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.