However, within a period of 24 hours, Panasonic also unveiled its own prototype 56-inch 4K OLED TV which boasts the same dazzling resolution and responsiveness as Sony's and was developed in part through using 3D printing technology. The other thing the two displays have in common is that as well as being mere prototypes, the TVs are both destined for production.
Samsung and LG also launched OLED TVs at this year's event, however unlike Panasonic and Sony's offerings, they're merely high definition, not ultra-high definition and, as such will be available to buy later this year.
Ultra-high definition appears set to become the new standard in television. The first TVs to offer this depth of resolution have been on the market since November 2012, retailing for $20,000 and although there is very little native content currently available for them, a number of broadcasters, including YouTube, have pledged to start streaming ‘4K' content before the end of the decade.