The latests OTT video news, deals, launches and product round up from the Faultline teams. Sony has revealed its new line of Z series TV display technologies, which it says brings the quality of 4K HDR to a level that surpasses that of its X series line of 4K HDR UHD TVs. The Z series uses Backlight Master Drive technology which expands brightness and contrast, and features a dense LED structure with a lighting algorithm, discrete lighting control, and an optical design with a calibrated beam LED. It is the discrete LED control feature that allows the Backlight Master Drive to dim and boost each LED individually, whereas previously local dimming was controlled by zones with several LEDs. It also…