Research on Electroluminescence in Thin Film Yttria Oxysulfide

Abstract

Thin films of a rare-earth oxysulfide phosphor (Y2O2S:Eu ) were evaluated for use in a thin film electroluminescent emitter (TEL). For the first time, emission typical of the rare earth activator was observed in a rare earth host TFEL emitter. The films were characterized for optical spectrum, brightness-voltage characteristic, photoluminescence, crystal structure, and compared to efficient cathodoluminescent power phosphors (Y2O2S:Eu) as well as high efficiency TFEL emitters of ZnS:Mn. The present low intensity red emission (fractions of a ft-L) is limited by annealing induced cracks in the emitter structure.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1982
Accession Number
ADA214742

Entities

People

  • R. D. Ketchpel

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Cathode Ray Tubes
  • Compound Semiconductors
  • Crystal Lattices
  • Crystal Structure
  • Diffraction
  • Electric Fields
  • Electro-Optics
  • Electroluminescence
  • Electronic Components
  • Electronic Equipment
  • Luminescence
  • Measurement
  • Optical Properties
  • Physical Properties
  • Spectra
  • X Rays
  • X-Ray Diffraction

Fields of Study

  • Materials science

Readers

  • Human-Computer Interaction (HCI).
  • Materials Science and Engineering.
  • Thin Film Deposition Science.