Where have all the OLED TVs gone?

CES 2009: Samsung 31-inch OLED TV prototype
Samsung's 31-inch prototype was one of the few OLED TVs on display at CES 2009

One of the biggest surprises of CES has been the almost complete non-appearance of OLED TVs at this year's event.

It's surprising because the internet hype-machine surrounding the new technology - which promises brighter, slimmer and more colour-accurate TVs - had let us to expect that OLED TVs you could actually buy would have a major presence at CES 2009.