Patent · US Expired

Dielectric thin film and thin-film EL device using same

US6036823A · kind A · utility

20Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1998
Grant dateMar 14, 2000
Priority date
Expiry dateJul 30, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B33/22
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A thin-film electroluminescent device includes dielectric layers having improved dielectric characteristics. The device is fabricated by forming a first transparent electrode layer of ITO, a first dielectric layer, a luminescent layer, a second dielectric layer, and a second transparent electrode layer of ITO in this order on an insulating substrate. Each of the two dielectric layers is a film constituted by TaSnON. That is, the film includes tantalum, tin, oxygen, and nitrogen.

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