“…Display devices can be divided into liquid crystal displays (LCD), organic light-emitting diode displays (OLED), micro-LEDs, and mini-LEDs. At present, the LCD with the highest market share is a non-self-emitting device, it needs a backlight and color filter film to realize full color display 1 – 7 The self-luminous devices, such as OLED, mini-LEDs, and micro-LEDs, do not require a backlight system in comparison to LCD.…”