The LCD display backlight plays a very important role in the use of the LCD display, so do you really understand the functions of the LCD display backlight?

The principle of LCD panel backlight is to assemble the reflector, light guide plate, upper and lower BEF, LED light bar and rubber frame iron frame together. When the LED strip is charged, the element emits side-view light, which becomes flat light behind the light guide plate and provides backlight for the LCD display. The control panels of TVs, mobile phones, computers and various smart devices all use LCD screens and have backlights.

What is the function of the LCD backlight panel?

1. Cell Phone LCD Panel Blue Light Board

There are several films behind the LCD screen of the mobile phone, they are a reflective film (silver), a light guide plate (transparent plastic sheet) and two optical diffraction films (the purpose is to make the light distribution more uniform).

2. TV LCD Panel Backlight

The backlight panel of the LCD panel of the TV is a light source device used to ensure the brightness behind the LCD screen.

Since the LCD panel itself does not emit light, it needs a backlight panel to assist in emitting light. The brightness and uniformity of the backlight panel directly affect the performance of the liquid crystal display.