Who owns retina display technology

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Sep 3, at am. Read on to understand what Retina Display is, how it's different from other screens, and what products use it. Retina Display smooths the jagged edges of the screen's pixels and makes images seem more natural. Retina Display gets its name from Apple's claim that screens made using the technology are so sharp that it's impossible for the human eye to distinguish the individual pixels that make up the screen. The benefits of the technology are particularly visible when looking at text.

On Retina Display, the curved edges of fonts are substantially smoother than on previous display technologies. A Retina Display's high-quality images are the result of several factors:. There's no single answer to the question "what is Retina Display resolution? Instead, a screen has to meet two criteria to qualify as a Retina Display screen: pixel density and the distance from which the user views the screen.

Pixel density is how tightly packed the screen's pixels are—the greater the density, the smoother the images. Pixel density is measured in pixels per inch PPI , which is how many pixels are present in one square inch of screen.

This metric is based on a combination of the device's screen resolution and its physical size. The iPhone 4 had PPI due to a 3. That changed as later models were released. That, too, is a Retina Display screen. This is where the second factor comes in. Viewing distance refers to how far away users typically hold the device from their faces. For example, the iPhone is usually held relatively close to the user's face, while a MacBook Pro display is seen from farther away.

This matters because the defining characteristic of a Retina Display is that the human eye can't distinguish the pixels. Something that's seen up close needs a greater pixel density for the eye not to see the pixels. Pixel density can be lower for displays viewed at a greater distance. As Apple has introduced new devices, screen sizes, and pixel densities—and made improvements to the display technology—the company began to use other names for different Retina Display types.

These include:.