Quad HD zone display on smartphones has already arrived and hopefully, the mobile brands will look for the rich pixel display in upcoming years. Till now, Samsun Galaxy S5 LTE-A is the Smartphone that has the top display pixel density of 576ppi.

However, the renewed Smartphone brands are trailing behind because rumor represents that Sharp is planning for a 5.5” 4K IGZO LCD display with a pixel density of 842ppi that screen’s resolution of 2160 x 4096.

4.1-inch IGZO LCD display with Rich-Pixels Represents by Sharp

However, the new 4.1-inch IGZO LCD display by Sharp will be the representative of rich-pixel in this era because the device will have not less than 736ppi on its 1600 x 2560 pixels resolution display. At the same time, Sharp has announced that the pixel density will be same on 6” display with a resolution of 2160 x 3840. The brand is currently working on 5.5” 4K screen for higher pixel density.
According to Sharp, the high pixel density manufacturing will be available in 2016 but the samples of the device will be released sometime in 2015. Now, we can only wait and image how much pixels do the brand represent.