Patent · US Expired

Organic electroluminescent element

US6558817B1 · kind B1 · utility

39Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1999
Grant dateMay 6, 2003
Priority date
Expiry dateSep 9, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917

Abstract

An organic electroluminescent element includes at least a positive electrode, an electron injection layer, and a negative electrode, wherein the electron injection layer is formed of an alkali metal organic salt, an alkaline earth metal organic salt, an alkali metal organometallic complex or an alkaline earth metal organometallic complex.

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