Why my LCD TV Has Colored Vertical Lines on Half of the Screen?

Any damage to the LCD panel itself can cause distortions. If this is the case, then replacing hardware won't help, and the screen itself will have to be replaced. If there's any damage, it might have been faulty from the beginning or may have been caused if the TV was dropped or hit by another object. Replacing the screen is easiest to do by letting the TV's manufacturer replace or repair it, but this can usually only be done if your TV is still under warranty. In many cases it will be more cost effective to simply buy a new TV altogether, since replacement screens can be very expensive.
anyway... if you want to have an idea of what is going on and what it would cost to repair.