The LED19D2000 has a maximum display resolution of HD Ready. That's 56% less display resolution than a Full HD television, which is the most common display resolution.
An HD Ready HD type is actually the worst display resolution across all TVs of a comparable type and age to the LED19D2000.
A Full HD HD type is the best display resolution across similar types of television.
If the display resolution of this TV is too low for you then you might also want to consider the Samsung T24D391 (£169.98) (Full HD) which is also higher rated.