In April 2013 Sony showed a prototype 30″ 4K OLED panels at NAB 2013 , promising to release them in 2014. Now the company officially launched this professional monitor product, while shipments will begin in February 2015. Price is not determined yet, but it’ll sure be expensive… Sony’s BVM-X300 is Sony’s flagship professional monitor. Besides the 30″ 4K (40962016) OLED panel (produced by Sony), it features a high dynamic range, wide viewing angles, quick response and high contrast. The BMV-X300 can display 4K, 2K, UHD and HD formats and supports wide color gamut standards. Read more about Sony launches a 30" 4K professional OLED monitor

Go here to see the original: 
Sony launches a 30" 4K professional OLED monitor