When I was in school I learned that computer screens resolution was 72 pixels per inch. I also have happened to read the same thing in many mags, and books.<BR><BR>However quick and simple math tells ...

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 ...

A good smartphone now will have about 500 pixels per inch (PPI) on its screen. Even the best phones we could find clock in at just over 800 PPI. But Stanford researchers have a way to make displays ...

Researchers at Stanford University and Samsung have developed a new proof-of-concept for an ultra-high-resolution OLED display. The new “metaphotonic” display technology could improve the color purity ...