Patent · US Expired

Organic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layer

US6121726A · kind A · utility

72Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1997
Grant dateSep 19, 2000
Priority date
Expiry dateDec 16, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K59/38
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An organic EL color display which can give off color light without recourse to a plurality of light emitting layers and be fabricated at low cost is built up of an organic EL color display comprising an organic EL light emitting device for emitting bluish green light, a blue transmitting layer, a green transmitting layer, a fluorescence converting layer that absorbs bluish green light and giving off light including red light, and a red transmitting layer.

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