Production year
1995
© Laurence MEDARD/CNRS Images
19950001_0336
Poudres luminescentes à base d'oxydes ou de sulfures. Ces substances émettent de la lumière à basse température, sous l'effet d'une excitation. Elles sont souvent utilisées pour illuminer les écrans cathodiques ou les écrans plats.
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1995
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