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What is an LED backlight source?

日期: 2018-12-11
浏览次数: 505

It is a certain number of LEDs (light-emitting diodes) that form a light-emitting panel of an array of surface light sources according to a certain regularity. And it is divided into dot matrix (also known as direct type) and side light type. Among them, the dot matrix type is mainly used for high-end models of various brands due to uniform brightness, high contrast, natural color, high resolution and long life; although the brightness of the sidelight type is a little uneven (not carefully seen, it may not be seen), but the cost is low, mainly used for the low-end models of various brands.

What is an LED backlight source? 

Sidelight LED backlight

  

Since the liquid crystal panel itself does not emit light. Therefore, the light source provided by the backlight module hits the liquid crystal panel to cause the liquid crystal display to emit light. The light quality of the backlight module light source determines the visual effect of the exterior of the display.

What is an LED backlight source?

 White LED backlight panel

The LED backlight module can bring many benefits, which can make the brightness of the display screen more uniform, lower power consumption, and the shape can be thinner and lighter. However, the WLED (white LED) backlight is commonly used in the market. In fact, this kind of backlight is only to replace the components of the light, and the display effect is very weak or not improved. At present, the LED display referred to by the merchant refers to a display product using a white LED backlight.


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