then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a Neopixel could be used as well. The photosensor is a simple cadmium sulfide cell, which measures the ...

Instead of the white or blue LED backlights we typically see on QLED, QNED and traditional LCD TVs, these prototype TVs used an RGB LED-based backlight. That’s a separate LED element for each of the ...

This approach replaces traditional blue LEDs in mini-LED TVs with RGB LEDs, allowing the backlight to shine through with the correct color shade without relying on color filters or quantum dots.