LCD TV panels of light transmittance is very low, to produce TV backlight brightness the display needed will need to provide adequate light intensity, and backlight system needs to consume more power.

液晶面板的光透射率极低，要产生电视需要的显示亮度就需要背光提供足够的光强，背光系统需要消耗较多的电能。

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Moreover, it can reduce energy consumption by adjusting the backlight brightness.

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