Screen Size 75" Panel Technology IPS Back Light Type Edge Aspect Ratio 16 : 9 Native Resolution 3,840 x 2,160 (4K UHD) Refresh Rate 120 Hz Brightness 500 nit (Typ.) Contrast Ratio 1,000 : 1 Dynamic CR 1,000,000 : 1 Color gamut NTSC 72% Viewing Angle (H x V) 178 × 178 Color Depth 1.07 Billon Colors (10 bit (D)) Response Time 6 ms (G to G) Surface Treatment 28% Life Time (Typ.) 50,000 Hrs Operation Hours (Hours / Days) 24 / 7 Portrait / Landscape Yes / Yes