All majore PC-makers have announced laptops with 4K screens. But Toshiba may be the first to actually hit stores with it's new Satellite P55T, a 15.6 inch features an Intel Core i7 CPU and discrete AMD graphicsa and a 3840x2160 native resolution, the same found on the current generation 4K televisions.
According to Toshiba " the panel is certified by Technicolor, the digital product and services company, and a Technicolor app included with the system allows you to switch between warm, cool, Technicolor, and other screen color profiles."