Patent · US Active

Luminescent particle and compound

US11136500B2 · kind B2 · utility

6Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2019
Grant dateOct 5, 2021
Priority date
Expiry dateSep 10, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2211/188
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An object of the present invention is to provide a luminescent particle having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield; and a compound having an emission maximum wavelength in a long wavelength range of 680 nm or longer and exhibiting a high quantum yield in the particles. According to the present invention, provided is a luminescent particle containing at least one kind of compound represented by Formula (1) (definitions of substituents in the formula are as set forth in the description) and a particle.

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