4K resolution
4K resolution, also called 4K, refers to a horizontal display resolution of approximately 4,000 pixels. Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 38402160 (4K UHD) is the dominant 4K standard, whereas the movie projection industry uses 40962160 (DCI 4K).
Toshiba
4K Ultra HD (3840×2160p) televisions provides four times the resolution of 1080p Full HD televisions. Toshiba's 4K HD LED televisions are powered by a CEVO 4K Quad + dual-core processor.