A new type of electronic paper can display brilliant colours under ambient light, keeping energy consumption at a minimum.
The reflective screens, which could cut the energy consumption of smart phones, tablets and other technology, were developed at Chalmers University of Technology in Sweden.
Traditional digital screens use backlights to illuminate the text or images displayed upon them. This works well indoors, but struggles in bright sunlight.
Reflective screens instead use the ambient light, which lights up the page and reflects in the same way as it does from conventional paper
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