Patent · US Expired

Thin film inorganic light emitting diode

US6706551B2 · kind B2 · utility

21Cited by
18References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 24, 2002
Grant dateMar 16, 2004
Priority date
Expiry dateJan 24, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K50/805
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for the manufacturing of a Thin Film Inorganic Light Emitting Diode is disclosed. The device contains in one single layer or in a double layer a dispersion of zinc sulfide doped with a luminescent centre, and a water-compatible p-type semiconductive polymer, preferably a polythiophene/polymeric polyanion complex.

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