3840 x 2160 pixel tablet display debuts

There are a number of tablets on the market today with high pixel counts including Apple's 9.7 inch, 2048 x 1536 pixel iPad screen and Google's Nexus 10.1 inch, 2560 x 1600 pixel display.

Japan Display touts 12-inch, 4K screen for notebooks and tablets

Japan Display has debuted a 12.1 inch, 3840 x 2160 pixel display targeted at next-gen notebooks and tablets.