HD has 1920 x 1080 pixels (2,073,600) whereas UHD has 3840 x 2160 pixels (8,294,400). 4K means more pixels. The terms 4K and UHD are often used interchangeably but they have different aspect ...

Claiming the title of the world's number one 4K UHD and DLP brand, Optoma has introduced a capable new laser projector. The ...

With 3840 x 2160 pixels, UHD’s level of quality makes it very difficult for the human eye to actually make out pixels on close inspection. This development gives broadcast images a definition ...

SK Broadband says it is using AI technology on real-time broadcasting, allowing it to upgrade its sports channel into the UHD ...