"Oh, they became round," said an OLED researcher looking at the iPhone X's display showing the home screen. The iPhone X is the first iPhone that has employed an OLED display. And the shape of its display is unusual. To expand the display area as much as possible, many parts were cut out to make round shapes that are uncommon among normal displays.

For example, in accordance with the round shape of the case, the four corners of the display are round so that almost all of the case's surface becomes a display area. In the middle of the upper side of the bezel, there was a U-shaped cutout. Parts for the front camera and facial recognition were stored in the area, and the areas located right and left to the cutout are part of the display and can display images.

When the iPhone X was announced, Jonathan Ive, Chief Design Officer of Apple Inc, said, "I have always been thinking about making an iPhone with a full-face-display for more than 10 years." And Apple's strong preference for full-face display can be seen in the unique shape of the display.

The maximization of display area
The display area of the iPhone X was extended to the four round corners, front camera and parts for facial recognition as much as possible. To extend the display area to the area surrounding the front camera and parts for facial recognition, a part of the upper side of the bezel was cut out. The previous iPhones do not display images on the four corners and the upper and lower parts of the bezel where a front camera, etc are embedded.

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