Home » Gadgets » LG Electronics 4K UHD 27 Screen LED-Lit Monitor Gadgets LG Electronics 4K UHD 27 Screen LED-Lit Monitor May 20, 2016 LG Electronics 4K UHD (3840 x 2160 resolution) IPS 27-Inch LED-Lit Monitor 27UD88 with USB 3.0 Quick Charge and Pivot/Height/Tilt Adjustable Stand.