YouTuber explains the detailed physics behind LED technology – Interesting Engineering

YouTuber Lesics brings us beautifully illustrated videos on some of the most modern developments and technologies out there. You may remember this episode where he explained how railway power lines work or this clip where he analyzed the engineering behind the Burj Khalifa.
Now, he is back with another issue on the physics behind LED technologies. Today, scientists continue to make strides in developing LED technology. While OLED technology has become superior to simple LED technology, the new improvements may make LED the king once more.
But what exactly are LED displays? They consist of a flat panel display that uses an array of light-emitting diodes as pixels for a video display. Because they are so bright, they can be used outdoors where they are visible in the sun for store signs and billboards.
We have also seen their emergence in destination signs on public transport vehicles, as well as variable-message signs on highways. They also present a viable alternative to traditional projection screens.
With their use in such diverse industries, one might wonder how OLEDs are becoming better than them. What’s the difference between the two technologies, and how can LEDs catch up? Finally, what’s in store for the future of LEDs?
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