According to the research published in the journal Science Advances, scientists have created the world's smallest pixels that could be used for new types of large-scale flexible displays.
About:
Developed by: Scientists from the University of Cambridge in the UK.
Process of Creation:
The world's smallest pixels have been created by trapping particles of light under tiny rocks of At the centre of the pixels is a tiny particle of gold a few billionths of a metre across.
The grain sits on top of a reflective surface, trapping light in the gap in between. Surrounding each grain is a thin sticky coating which changes chemically when electrically switched, causing the pixel to change colour across the spectrum.
Scientists made the pixels by coating vats of golden grains with an active polymer called polyaniline and then spraying them onto flexible mirror-coated plastic, to dramatically drive down production cost.
Features:
The pixels are the smallest yet created, a million times smaller than typical smartphone pixels.
They can be seen in bright sunlight and because they do not need constant power to keep their set colour, have an energy performance that make large areas feasible and sustainable.
Potential Applications and Benefits:
The pixels could enable a host of new application possibilities such as building-sized display screens, architecture which can switch off solar heat load, active camouflage clothing and coatings, as well as tiny indicators for coming internet-of-things devices.
The colour pixels are compatible with roll-to-roll fabrication on flexible plastic films, dramatically reducing their production cost.
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