How to interface an arduino with a television

Hello guys...please i'm new in using arduino. I wanted to know if the is way to interface arduino with an lcd or led television of 20 inches and more.

Yes, if the TV has the correct kind of input:
http://playground.arduino.cc/Main/TVout

Hi Afia, welcome.

You can also use an IR LED to successfully interface with said devices.

Define "interface".
While working with Arduino and/or programming, always be as meticulous as you can.

Thanks guys...but if you can elaborate more ...i will be very happy

Hi.

How about something like this (click !)?