That's something for their designers to figure out. Most LED TVs I've seen that aren't bargain basement garbage have thinner bezels than the current MacBook Pros, they have screen sizes of 40"+ and simply have a few mm more at the bottom of the display to accommodate controls and an IR sensor, more than enough for a camera given the iPhone manages to have one just fine in a very compact space.
And the casing is thicker than a laptop computer in both the iPhone and the LED TVs