You have several choices -
- Do Sharp make a bracket or you can buy a universal one assuming you have VESA mounting point s on the TV. VESA is 4 holes at either 100mm or i think 200mm centres in a square arrangement
- Fixed bracket or one that tilts and or swivels?
I have a fixed bracket for my Hitachi plasma and generally once you have a set position you wont move it so my advice is unless you want to tilt the display just get a simple fixed non adjustable bracket.
Prices are from £25 upwards. My Hitachi bracket was £80 but then it is holding 30kg and fits like a glove.
Hope that helps?