To clean the frame and screen, gently wipe it with a microfiber cleaning cloth. Make sure to wipe the TV frame and screen as ...
Some brands, like LG, warn against putting any moisture near your TV at all. This includes both cleaning products and water. The risk is that it could damage the screen or short-circuit the set.
That means avoiding products like window cleaners ... that's a good thing. When cleaning a flat-screen TV, it's best to keep things simple to protect the screen from damage.