How to make a TV transparent?

When watching the live broadcast, at the last moment, Mr. tech also believed that this kind of transparent TV only exists in sci-fi film TV, and Xiaomi just released a concept machine. < / P > < p > previously, we have learned that OLED screens emit light through a single sub-pixel, which is similar to countless small LED beads attached to a substrate, and the images are displayed by turning these LEDs on and off. < / P > < p > Xiaomi also designed a dedicated UI for transparent TV, removing the background solid color part of the original UI, creating a feeling of card suspension. Continue ReadingAmerican companies begin to give up R & D: who should pay for corporate research?