The Asus VP228T has an LCD display type which is better than most medium monitors that are a similar age to it. Most LCD screens that have been available for a comparable time to it have an LED display type.
This flatpanel monitor's display type (LCD) is actually the worst display type amongst all recently released medium monitors.
An LED display type is the best display type amongst comparable types of flatpanel monitor.
If you want an LCD screen with a better display type then you might also want to consider the Acer KA240H (LED and cheaper), or the HP V243 (LED and cheaper).