The TV industry has come a long way, and is still going further!
Super high "High Definition (source which.co.uk)
Samsung boasted the world’s largest super high ‘high definition’ TV – featuring an incredible resolution of 3840x2160 – that’s double today’s ‘Full HD’ screens.
Sony and Samsung's strength is reliability, and Panasonic's strength is Innovation.
Panasonic was the Leader because they were the first to make the jump into flat panel's, but Samsung and Sony are clearly closing the gap.