Patent · US Expired

Layer configuration comprising an electron-blocking element

US7307276B2 · kind B2 · utility

14Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 15, 2003
Grant dateDec 11, 2007
Priority date
Expiry dateOct 3, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A layer configuration on a support, the layer configuration comprising a non-photoactive element exclusive of unsubstituted poly(3,4-alkylenedioxythiophene)s, the element containing at least one polymer selected from the group consisting of polycarboxy-polymers, optionally quaternized polyamine-polymers and poly(vinylphosphonic acid), the surface of one side of the element being contiguous with a positive electrode and the surface on the opposite side of the element being contiguous with a material capable of transporting holes.

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