Patent · US Active

Quantum dots, a composition or composite including the same, and an electronic device including the same

US11674078B2 · kind B2 · utility

1Cited by
12References
21Claims
0Family size

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Inventors

Key dates

Filing dateAug 13, 2021
Grant dateJun 13, 2023
Priority date
Expiry dateAug 13, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/331
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same.The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.

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