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Japan Display unveils 12" 4K tablet screen with 3840 x 2160 pixels of resolution

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By Daniel Petrov

Updated: Oct 23, 2013, 5:10 AM

Tablets

We might be marveling at the 326ppi score that the new iPad mini with Retina Display brought to tablets, but what if we tell you soon you will have even higher pixel density, and on a 12" slate at that.

That's right, Japan Display, the government-backed JV of Toshiba, Sony and Hitachi's mobile screen divisions, just announced such a screen. The 12.1" LCD panel sports a true 4K resolution of 3840x2160 pixels with a regular RGB matrix arrangement. The side frame is 2mm, and the panel can supply 500 nits of brightness, which is excellent for a tablet. Check out the full specs list below and drool over the tablets that let you watch 4K movies in full bloom next year.

Screen size	Diagonal 30.1cm (12.1 type)
Number of pixels	(Vertical) 3840 (horizontal) x RGB x 2160 (4K2K)
Definition	365ppi
External dimensions	273.67mm (W) x 164.60mm (H) x1.96mm (D)
Frame size	2.0mm on the left and right 2.0mm below 6.8mm
Color gamut (NTSC ratio)	70%
Contrast (CR) ratio	1000: 1 (Typ.)
View angle	160 degrees or more up and down / left and right (at CR> 100:1)
Screen brightness	500 cd / ²　(Typ.)
Power consumption (white 500 cd / ² hour)	3600MW (in panel power consumption 360mW)
For driving liquid crystal driver LSI number	Two

source: JapanDisplay

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Daniel, a devoted tech writer at PhoneArena from 2010 to 2025, has been engrossed in mobile technology since the Windows Mobile era. His expertise spans mobile hardware, software, and carrier networks, and he's keenly interested in the future of digital health, car connectivity, and 5G. Beyond his professional pursuits, Daniel finds balance in travel, reading, and exploring new tech innovations, while contemplating the ethical and privacy implications of our digital future.