Tablets with Retina-quality screens to arrive in 2012

X-bit Labs reports next-gen tablets may get screens with a resolution as high as 2048 x 1536 pixels:

Increasing demand for high information content and multimedia capability in mobile devices continues to drive flat panel display resolution to higher levels of pixel density. For example, the next generation of tablets may get screens with 2048*1536 resolution. As a result, the average pixel density of flat panel displays is expected to grow over the next few years.

At present panel makers are developing ultra-high resolutions, such as 2K (2048*1556) or 4K (4096*2160) for TVs and QXGA (2048*1536 pixels) for tablet PCs. According to the latest report from DisplaySearch, the average pixels per inch (PPI) of large-area (over 9.1�) TFT LCDs will increase from 88ppi in 2010 to 98ppi in 2015, while average ppi for small/medium (less than 9.0�) TFT LCDs will grow from 180 to 210 over the same period. Mobile phones are the most obvious driver of increasing ppi due to growth in smart phones, with displays like 3.5� 960*640 resolution (330ppi), 4.3� 800*480 (217ppi) and 1280*800 (330ppi).

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