Patent · US Expired

Sunlight viewable thin film electroluminescent display having a graded layer of light absorbing dark material

US5517080A · kind A · utility

10Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1992
Grant dateMay 14, 1996
Priority date
Expiry dateDec 14, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An AC thin film electroluminescent display panel includes a metal assist structure formed on and in electrical contact over each transparent electrode, and a graded layer of light absorbing dark material which combine to provide a sunlight viewable display panel.

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