And maybe just the layer of batteries could be replaced when it no longer holds a charge.
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That charge, in turn, affects the third layer, which is made of liquid crystals.
ECONOMIST: Curtains for celluloid
OLETs rely on three layers of material, with the bottom layers carrying a charge, the middle layer (the meat in this high-tech sandwich) emitting photons when excited by the bottom, and the top layer selectively letting those photos through.
ENGADGET: Organic Light Emitting Transistors might make us forget all about OLED
This suggests that perhaps those in charge were not so naive as the general public and that is a layer of the story that resonates with me.
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