Bulg. J. Phys. vol.31 no.3-4 (2004), pp. 92-95



Colour Characteristics of AC HEL Structures with Various Protective Layer

L. Yourukova, K. Kolentsov, A. Zheliaskova
Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia
Abstract. The changes in the colour characteristics of Alternating Current Hybrid Electroluminescent structures with yellow emission, as a function of the type of the protective layer, are investigated. Conclusions for the possible applications of some of the investigated HEL structures in various systems for representation of colour sign information are given.

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