Patent · US Expired

Blue light emitting semiconductor nanocrystal materials

US7253452B2 · kind B2 · utility

102Cited by
51References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2005
Grant dateAug 7, 2007
Priority date
Expiry dateMar 4, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/819
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A semiconductor nanocrystal includes a core including a first semiconductor material and an overcoating including a second semiconductor material. A monodisperse population of the nanocrystals emits blue light over a narrow range of wavelengths with a high quantum efficiency.

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