LCD is a kind of passive display device as known. It need the uniform light provided by backlight model.

众所周知液晶显示器是一种被动显示器件，需要背光模组提供显示所需要的均匀光源。

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LCD is a kind of passive display device as known. It need the uniform light provided by backlight model.

众所周知液晶显示器是一种被动显示器件，需要背光模组提供显示所需要的均匀光源。

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