-Read on: http://blog.homecinemachoice.com/page/h ... n_ultra_hdThe so-called UD panel features a pixel resolution of 3,840 x 2,160 (aka 4K2K), which is about 6,000,000 more pixels than a Full HD screen, and refreshes at a rate of 120Hz. RGB LED backlights are employed to increase the colour saturation of the TV.