HD Television High definition flat screen TV is a flat screen TV with HD display function. Hd flat-screen TVS typically have a resolution of 1920×1080 pixels, allowing for sharper, more detailed images. Compared with traditional TVS, HDTV flat-panel TVS have a larger screen size, higher resolution, richer color performance and wider viewing angles. It also has intelligent functions that can connect to the Internet, watch online videos, browse the web, play games and so on. High definition flat screen TV is widely used in home entertainment, education, office and so on.