Why does Xiaomi TV darken the four corners in a solid color picture?

Solution:

The backlight of the LCD screen used by Xiaomi TV is an LED light source, which is a certain distance from the edge of the TV screen. The LED light source is scattered by optical technology to allow as much light as possible to be evenly distributed on the display screen. Where there are no LED lights at the four corners of the screen, there will be a little dimming. This is a normal phenomenon in the television industry and is in compliance with national technical specifications. It requested to use it with confidence.