Messi vs Mbappe

LED advantage:1. The screen can be made thinner. If we pay attention to some LCD monitors, we can see that there are several filamentary CCFL tubes arranged. In order to make the screen emit light evenly, some other devices need to be added, so that it cannot be done very well. Thin; but the backlight is different, the LED backlight itself is a flat light-emitting material, no need to add other devices.2. No yellowing and darkening CCFL fluorescent lamps, like fluorescent lamps, will age after a long time, so traditional notebook screens will turn yellow and darken after two or three years, while LED backlit screens have a much longer lifespan, at least two years. three times.3. More power-saving LED is a kind of semiconductor, which works under low voltage, has simple structure and low power consumption.