The CRT is still the gold standard when it comes to exhibiting rich colour, smooth motion and deep blacks with superb detail. Canon and Toshiba have been developing the technology to create a better flat panel, called SED (surface-conduction electron-emitter display).
It uses 6,220,800 electron emitters, one for each colour per pixel, that cause red, blue or green phosphors to glow. SEDs have higher contrast, more accurate color and better motion response than LCD or plasma, while consuming less power.
http://www.canon.com/technology/canon_tech/exp lanation/sed.html