The best way to check whether a TV bracket will fit your TV is to check the VESA spacing. It should also give a maximum load that it can support, so ensure this is greater than the weight of your TV. Beyond that, there is little difference between and LCD TV bracket and an LED TV bracket.
LED is increasingly popular and it is estimated that by 2014 around three quarters of sales will be of LED TVs. The improved energy efficiency and better picture mean that LED TVs are more appealing to consumers and when prices are more affordable, they are sure to take over the market.