September 27, 2022

Retina Display screen technology is very closely related to Apple devices, such as iPhone, Macbook, or iPad. Apart from Apple devices, no more laptops, tablets, or phones use Retina Displays.

Some of you Macbook, iPhone, or iPad users, may be familiar with Retina Display screen technology. Although it may be familiar, but do you really know what is meant by Retina Display?

For more details, please refer to the explanation below, about what Retina Display is commonly used in Apple devices.

What is Retina Display?

Retina Display (retina display) is actually just a name for LCD (light-emitting diode) and OLED (organic light-emitting diode) panel display technologies that are specifically for Apple devices.

Examples of Retina Displays with LCD panels can be found on the iPhone 6, 7, 8, or iPhone SE 2 and SE 3 series. While the use of Retina Displays with OLED panels includes the iPhone X, Xs, 11 Pro, 12 Pro, and iPhone series. etc.

To note, the use of LCD and OLED panels is basically not only used on Apple devices. Although there is nothing special about using the panel, Apple offers some special criteria for the Retina Display.

A screen can be called a Retina Display because it can present images that are sharp and smooth (not broken) for the human eye at a normal viewing distance (about 30 cm), as reported by the Macworld page.

One of the main points of the sharpness of the image produced by the Retina Display comes from the pixel density. On a screen, the visible image is actually an image of a collection of pixels.

Pixel density is generally measured in “ppi” (pixels per inch) units, such as 301 ppi, 458 ppi, and so on. The more pixels on the screen, the sharper the image can be.

In its history, the Retina Display first appeared on the iPhone 4 with fairly dense pixels, which is 326 ppi. Through the pixel density, the iPhone 4 at that time could display images sharply at a normal viewing distance of 30 cm.

To date, Apple has released several types of Retina Displays, such as Retina HD, Super Retina HD, and Liquid Retina HD. This type of Retina Display is distinguished by screen resolution, not just pixel density.

For example, the Retina HD screen used on the iPhone 6, 7, and 8. Although the pixel density is the same as the regular Retina on the iPhone 4, 5, and 5s (326 ppi), the “HD” label is attached because the screen used has a resolution HD (750 x 1334 pixels).

Thus the explanation about the Retina Display screen commonly used on Apple devices, such as iPhone, Macbook, or iPad, may be useful.

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