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General Motors has received a patent for a fascinating self-cleaning technology that could eliminate the annoyance of smudgy fingerprints all over touchscreens.
Where most screens use red, green and blue LEDs, set at different intensities, to create their full color palette, GM's design would add a fourth pixel throughout the matrix, specifically tuned to the invisible ultraviolet wavelength.
The parent covers the use of the technology in "computers, mobile devices, televisions, kiosks, teller machines, and household appliances" as well as vehicles.
https://newatlas.com/technology/self-cleaning-touch-screen-gm/
Sabra Brock
Jonathan Chrimes