Patent · US Active

Quantum dot device and quantum dots

US10978657B2 · kind B2 · utility

4Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2019
Grant dateApr 13, 2021
Priority date
Expiry dateAug 23, 2039

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.