“…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. Therefore, they are not only energy-efficient, but also allow for a “true black” thinner and lighter display.…”