Regarding font choices, you not only need not choose a font optimized for rendering on screen, but should not. Fonts optimized for screen rendering look cheap on the retina MacBook Pro—sometimes downright cheesy—in the same way they do when printed in a glossy magazine. He says that the physiology of the human retina is such that there must be at least pixels per inch in a pixelated display for the pixels to become imperceptible to the human eye at a distance of 12 inches mm.
The picture will look pixelated. So in my opinion, what Jobs said was fine. Soneira, while technically correct, was being picky. However, near visual acuity is usually poor due to presbyopia  in nearly everyone over 40, such that decreasing reading distance can actually reduce perceivable resolution. This was an isolated case for the platform however, as all other Symbian-based devices had larger displays with lower resolutions. Some older Symbian smartphones, including the Nokia N80 and N90 , featured a 2.
The first Android smartphones with the same display - Meizu M9 was launched a few months later in beginning of In October of the same year Galaxy Nexus was announced, which had a display with a better resolution. Aside from resolution, all generations of iPhone Retina displays receive high ratings for other aspects such as brightness and color accuracy, compared to those of contemporary smartphones, while some Android devices such as the LG G3 have sacrificed screen quality and battery life for high resolution.
Ars Technica suggested the "superfluousness of so many flagship phone features—the move from p to p to p and beyond From Wikipedia, the free encyclopedia. This article is about the HD screens of Apple products. For the heads-up-display technology, see Virtual retinal display. Brand name for high resolution displays featured in many products from Apple Inc.
Part of a Retina display on an iPhone 4. The pixels are not visible at normal viewing distance, creating an impression of sharp print-like text. Part of a non-Retina display on an iPhone 3GS. The pixels are visible at normal viewing distance. June 7, Retrieved June 4, Trademark Applications and Registrations Retrieval.
Retrieved June 19, Claims priority filing date with respect to prior application in Jamaica. Canadian Trade-marks Database. Also cites prior application in Jamaica. Retrieved Archived from the original on Retrieved 28 July Nielsen Norman Group.
Daring Fireball. Retrieved June 21, Retrieved 22 March Wired magazine. April 4, Retrieved July 9, March 19, Retrieved March 20, PC World. Retrieved 9 July Ars Technica. The Inquirer. Archived from the original on September 14, Retrieved 30 August 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:. Retina Displays are available on the following Apple products, at the following resolutions and pixel densities:. By Sam Costello.
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The goal of Retina displays is. There is an entirely different unit of measurement for Apple's Retina Display system: pixels per degree (PPD). Basically, we take two pixels. The pixel density of Retina displays is so high that your eyes can't detect individual pixels at a normal viewing distance. This gives content.