Introduction of RGB colors into thin film electroluminescent displays by ion implantation

Ward D. Halverson; Themis Parodos; H. Paul Maruska; Richard T. Tuenge; Russell A. Budzilek; Elliott Schlam

doi:10.1117/12.172146

1 April 1994 Introduction of RGB colors into thin-film electroluminescent displays by ion implantation

Ward D. Halverson, Themis Parodos, H. Paul Maruska, Richard T. Tuenge, Russell A. Budzilek, Elliott Schlam

Proceedings Volume 2174, Advanced Flat Panel Display Technologies; (1994) https://doi.org/10.1117/12.172146
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

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.

Citation Download Citation

Ward D. Halverson, Themis Parodos, H. Paul Maruska, Richard T. Tuenge, Russell A. Budzilek, and Elliott Schlam "Introduction of RGB colors into thin-film electroluminescent displays by ion implantation", Proc. SPIE 2174, Advanced Flat Panel Display Technologies, (1 April 1994); https://doi.org/10.1117/12.172146

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