The 30- and 56-inch 4K OLED monitor prototypes that Sony introduced yesterday are sitting prominently in the company's booth here at NAB, and they're really quite something. These sets offer wider viewing angles and reduced color shift compared to previous-gen monitors, and Sony is emphasizing the technology's color accuracy. We got a taste of the 56-inch, 3,840 x 2,160 model back at CES, but it looks like we can extinguish all hopes of this monitor making it to the consumer marke
