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Proceedings Paper

Introduction of RGB colors into thin film electroluminescent displays by ion implantation
Author(s): Ward D. Halverson; Themis Parodos; H. Paul Maruska; Richard T. Tuenge; Russell A. Budzilek; Elliott Schlam
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Paper Abstract

We have shown that all emission colors can be introduced into a single layer of thin film electroluminescent (TFEL) phosphor by ion implantation. Four colors (RYGB) have been demonstrated in undoped ZnS TFEL panels by ion implanting transition metal and rare earth luminescence centers. Full size ion implanted TFEL panels with red, yellow, and green phosphors have comparable performance to commercial displays with co-evaporated phosphors. Bright blue, green, and weak red electroluminescence have been produced in ion implanted CaGa2S4. Control of activator charge compensation and depth distribution is very important for bright electroluminescence. Ion implantation appears very promising to fabricate full color TFEL displays by a simplified procedure, thus substantially reducing manufacturing costs.

Paper Details

Date Published: 1 April 1994
PDF: 6 pages
Proc. SPIE 2174, Advanced Flat Panel Display Technologies, (1 April 1994); doi: 10.1117/12.172146
Show Author Affiliations
Ward D. Halverson, Spire Corp. (United States)
Themis Parodos, Spire Corp. (United States)
H. Paul Maruska, Spire Corp. (United States)
Richard T. Tuenge, Planar Systems, Inc. (United States)
Russell A. Budzilek, Norden Systems, Inc. (United States)
Elliott Schlam, Elliott Schlam Associates (United States)


Published in SPIE Proceedings Vol. 2174:
Advanced Flat Panel Display Technologies
Peter S. Friedman, Editor(s)

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