High efficiency ZnS:Mn ac thin film electroluminescent device structure
- 6 December 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (23) , 3119-3121
- https://doi.org/10.1063/1.110222
Abstract
A method for improving the luminous efficiency of a ZnS:Mn ac thin film electroluminescent device by modifying the structure to include thin, 100 Å, barrier layers of a Y2O3 is presented, with experimental comparisons of devices showing a fourfold increase in efficiency. The results are discussed in terms of electron tunneling and field redistribution as the mechanisms responsible for the enhancement of efficiency.Keywords
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