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Xiaobai, take a look! The difference between LED displays and LCD displays.

Release time: 2023-02-24 09:53

[Summary Description] Ordinary LCD screens use CCFL light sources, which are cold cathode fluorescent lamps. There is one lamp on each side of the screen, and there is a backlight panel on the back of the monitor made of fluorescent materials, which allows the light sources on both sides to be evenly distributed across the entire back of the screen, thus making the whole screen glow uniformly. Due to technological limitations, the brightness of such monitors is not completely uniform, but it is just difficult to notice. At the same time, the lamps have a certain lifespan, and over time they will turn yellow.

In fact, LED displays and LCD displays are the same, the main difference lies in the different backlight sources that produce light on the screen.

Ordinary LCD displays use CCFL light sources, which are cold cathode fluorescent lamps, with one on each side of the screen. There is a backlight panel on the back of the monitor made of fluorescent material, which allows the light sources on both sides to be evenly distributed across the entire back of the screen, thus making the whole screen glow evenly. Due to technological limitations, the brightness of such monitors is not completely uniform, but it is just hard to notice, and the lamp tubes have a certain lifespan, which will turn yellow over time.

LED LCD displays use LED light sources, which are light-emitting diodes (similar to the red and blue indicator lights on household appliances). These light-emitting diodes are very energy-efficient, and because they are not lamp tubes, they can be arranged in an array and evenly distributed behind the LCD screen. The brightness is good, making the backlight more uniform. Such monitors can be made thinner and more energy-efficient, and the lifespan of LEDs is longer than that of CCFLs, with stable color reproduction that is not easily yellowed.

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