Sharp 5.5-Inch Smartphone Screen Is 2160 x 3840 Pixels

It wasn’t all that long ago that a smartphone with a 720p display was considered the flagship. It wasn’t all that long ago that hearing news of a 1080p screen on a smartphone blew my mind. At the time, many people said that the human eye couldn’t really see the difference on a screen that small. Well, tell that to Sharp, because they’re pushing the envelope even further with a 5.5-inch screen that has a resolution of 2160 x 3840 pixels.

The whole naming scheme for screen resolutions can get awfully confusing, so let’s put some of this into perspective. Most of us understand 720p as 1280 x 720 pixels and 1080p as 1920 x 1080 pixels. The recently launched Samsung Galaxy S6 has a 5.1-inch UHD display, boasting a resolution of 2560 x 1440 pixels. That’s sometimes called 2K and it’s effectively four times the resolution of 720p, offering a pixel density of 577ppi.

What do we have with Sharp’s newest panel? With a resolution of 2160 x 3840 pixels (or 3840 x 2160, if you prefer), this 5.5-inch display is described as being 4K. In other words, it has four times the resolution of 1080p with a pixel density of 806ppi. That’s just nuts. By comparison, the iPhone 6 Plus has a 5.5-inch 1920 x 1080 pixels for a 401ppi pixel density.

If we argued that the human eye has a hard time discerning the difference between 720p and 1080p on a screen about five inches in size, what can we say about seeing the difference between 2K and 4K in a panel that size? Or is this just a spec war for the sake of specs themselves? In any case, Sharp’s IGZO panel has not yet been implemented in an actual smartphone, sadly, though that should happen some time next year. By then, it’s quite possible that we’ll see Samsung follow the Note 4 with a 4K-boasting Galaxy Note 5.


Source: Mobileburn

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