In fact, LED displays and LCD displays are the same, with the main difference being the backlight light source used to generate bright light on the screen.
Ordinary LCD screens use CCFL light sources, also known as cold cathode fluorescent tubes, with one on each side of the screen and a backlight plate on the back of the display, which is composed of fluorescent substances and can evenly distribute the light sources on both sides on the entire back of the screen, thus making the entire screen uniformly bright.
Due to technological limitations, the brightness of such displays is not completely uniform, but it is difficult to detect. At the same time, the lamp tube has a certain lifespan and will turn yellow over time.
The LED display screen uses an LED light source, which is a light emitting diode (similar to the red and blue indicator lights on household appliances). This type of LED is very energy-efficient, and because it is not a lamp, it can form an array and be evenly distributed behind the LCD screen.
Good brightness, making the backlight more uniform. This type of display can be made thinner and more energy-efficient, and the lifespan of LEDs is longer than that of CCFL. It has stable color and is not prone to yellowing.
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