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75 Inch Panel Module

75 inch Panel Module The LED and the CCFL backlight are basically identical in structure, the main difference being that the CCFL line source is replaced by the LED point source. But why do major TV brand manufacturers use LEDs instead of CCFLs as backlights? In general, LEDs have the following......

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75 inch Panel Module

The LED and the CCFL backlight are basically identical in structure, the main difference being that the CCFL line source is replaced by the LED point source. But why do major TV brand manufacturers use LEDs instead of CCFLs as backlights? In general, LEDs have the following characteristics:

1. LED point light source form can adjust the brightness and brightness in each block. The number of gray levels of the LCD display can be increased by dimming. The picture is rendered with a wider color saturation (NTSC >100%), especially for brighter and darker levels, and the picture layering is more prominent.

2. LED light source fast-off feature improves reaction speed, improves the dynamic picture quality of LCD display, and reduces the feeling of shaking and afterimage. In the case of fast dot-out, the LED has a longer life than the CCFL.

3. The LED backlight module is small in size, and can be used as a sidelight type in addition to the direct type, which contributes to thinning.

4. LED TV has no radiation, environmental protection, no mercury, long life, power consumption can be reduced by more than 30%, is a veritable green product. However, compared with CCFL, LED TV still has many difficulties to overcome, such as the large number of LED backlight particles, how to solve the problem of uniformity. In addition, heat dissipation problems, luminous efficiency, and high cost have yet to be resolved.


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