{The TFT screen itself can’t emit light like OLED display, it's to be used that has a again-light of white vibrant light to create the picture. Newer panels use LED backlight (mild emitting diodes) to create their mild and so employ fewer power and require less depth by style. https://177inchtftlcddisplay06048.theobloggers.com/35908290/an-unbiased-view-of-2-3-inch-tft-lcd-display