Patent · US Expired

Phosphor

US7241400B2 · kind B2 · utility

4Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2004
Grant dateJul 10, 2007
Priority date
Expiry dateMar 5, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K11/08
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A phosphor includes particles having an average particle size of from 10 nm to 2 μm, wherein 90% by mass or more of all of the particles have particle sizes within ±30% of the average particle size and a ratio of particles having no corners to all of the particles is 80% or more in number.

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