Patent · US Expired

Electroluminescent material, electroluminescent element and color conversion filter

US6656608B1 · kind B1 · utility

89Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1999
Grant dateDec 2, 2003
Priority date
Expiry dateDec 20, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An electroluminescent element, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.

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