Patent · US Expired

Organic light-emitting devices including specific barrier layers

US6960877B1 · kind B1 · utility

6Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1999
Grant dateNov 1, 2005
Priority date
Expiry dateDec 14, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K50/846

Abstract

An organic light-emitting device comprising a layer of light-emissive organic material interposed between a first electrode and a second electrode, at least one of the first and second electrodes comprising one or more electrode layers on the layer of light-emissive organic material for injecting charge carriers into the light-emissive organic material, wherein the organic light-emitting device further comprises a layer of dielectric material on the surface of the outermost electrode layer remote from the layer of light-emissive organic material.

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