Disgruntled iPad owner? Suffering iPhone “retina” display envy? Who says you can’t have your piece of pretty faux cake and gobble a crazy high-res version of it, too? Certainly not Samsung, who’ve ...

Pixels per inch (PPI) or pixels per centimeter (PPCM) is a measurement of the pixel density (resolution) of devices in various contexts: typically computer displays, image scanners, and digital camera ...

Prototype from Sharp of a new screen for handhelds with an extremely high-resolution of 300 pixels per inch. Read Get the best tech, science, and culture news in your inbox daily. News from the future ...

When Apple unveiled its first Retina display with the iPhone 4 in 2010, it had an insane 326 pixels per inch, which Steve Jobs described as “comfortably over” the human retina limit of 300 ppi. With ...