You reminded me of something I was considering years ago: screens have incredible resolution (DPI) now, and still growing. Some technologies are based on a bac

You reminded me of something I was considering years ago: screens have incredible resolution (DPI) now, and still growing. Some technologies are based on a backlight and a mask which blocks it in the right spots to form the picture (LCD, LED Backlight) while others actively emit the right colors at every location (OLED, MicroLED). At some point it would be pointless to keep increasing DPI due to being higher than any healthy person can resolve at a typical distance - but what if we do keep shrinking the emitting elements but arrange them more sparsely (same amount of pixels, but each one is super tiny) - and use the rest of the space for what is effectively a solar panel? Completely stupid, or did I think of something reasonable? I could see this as a benefit especially on phones, tablets and watches (maybe glasses, absorbing invisible frequencies). My usual beer clause applies: If anyone builds it successfully and makes millions with it, and this post ends up the earliest mention of the idea, you owe me a beer.