Abstract
The performance of AC thin film electroluminescent structures is discussed in terms of visual appearance, power consumption and reliability. The thin film deposition technique is of fundamental importance in order to obtain a reliable display with a uniform emission. To reduce power consumption in a matrix display, it is essential to minimize the modulation voltage by having a stable luminance versus voltage characteristic with a steep rise in luminance for voltages above threshold for the onset of the emission. Diffuse reflectance increases with the ZnS : Mn layer thickness suggesting that a rather thin light emitting layer is optimal in displays intended to be used in strong illumination.
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