Fake Back-light Brightness - Video screen Controller Board LED Panel LVDS

Those controller boards have fake brightness. It just makes the picture whiter or darker without affecting back-light

N173HGE-L11/L21 1920*1080 Controller board driver 40pin LVDS TV AV Screen panel LCD LED HDMI-compatible 17.3" remote VGA

M.NT68676 Driver Board Kit for N173HGE-L11 N173HGE L11 HDMI+DVI+VGA LCD LED screen Controller Board

Control Board Monitor Kit for N173HGE-L11 TV+HDMI+VGA+AV+USB LCD LED screen Controller Board Driver

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