I'm sure you already know about Sheldon Cooper from The Big Bang Theory, Max Braverman from Parenthood, Abed on Community, Boston Legal's Jerry, Sonya Cross from The Bridge, and a number of other TV characters with Aspergers. John Elder Robison has written a great article about TV's outing of Aspergers, and with the new DSM-5 removing Aspergers as a separate diagnosis, the potential implications for on screen characters.

It's well worth a read:

http://www.vulture.com/2013/07/aspergers-tv-the-bridge-diane-kruger-sheldon-cooper.html