< GO BACK 4K Claims Commercial Video Market Posted on 2014-02-17·By Aaron Stern Sony unleashed a slew of 4K flat panels into the consumer market over the past year, ranging from 55 to 84 diagonal inches. Posted in: Audio/Video, Digital Signage, Displays, HDMI, Networks, Photos Tagged with: 4K, Atlona, Blackmagic, Christie Digital, DSE, DVIGear, Sony, Ultra HD