The LG 43UW761 has a maximum display resolution of 4K Ultra HD. That's over four times the display resolution of the most common HD type of Full HD. 4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
This television's display resolution (4K Ultra HD) is actually the best display resolution amongst all mid-size TVs that have been around for the last year.
Amongst comparable types of television the worst display resolution is HD Ready.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
There are a number of other 4K Ultra HD TVs currently available that you might also want to consider including the UE43KU6510 (£619.00), or the UE49KU6100 (£579.00) both from Samsung which is cheaper.