Apple is testing a folding iPhone

Follow Zingrecently, analyst Ming-Chi Kuo said Apple testing technology screen color E Ink (Electronic Paper Display) on Iphone fold. According to experts, this technology will be used for secondary screens, helping to save energy.

“In the future, the Electronic Paper Display screen may become popular for folding devices thanks to its ability to save battery,” Ming-chi Kuo shared on his Twitter page.

The reason lies in the fact that E Ink is a technology used frequently on the screens of e-readers. The E Ink screen can only display two-tone black and white and gives users the feeling of reading a book on printed paper.

According to The Verge, most folding phones on the market today usually have a large internal screen along with a smaller outer screen to conveniently display notifications. In particular, smartphones like Samsung Galaxy Z Fold 3 or Oppo Find N use OLED technology for both screens.

Recently, analyst Ming-Chi Kuo said that Apple is testing E Ink color screen technology (Electronic Paper Display) on folding iPhones. Illustration from the internet

Meanwhile, according to Ming-Chi Kuo, Apple will equip E Ink technology for the secondary screen, and use a more advanced curtain for the large screen inside. This means that Apple’s folding smartphone may produce poor response, low color display, but will save more energy.

E Ink used to be popular with black and white screens, but the latest version of this technology has shown the ability to display more colors with high resolution. The refresh rate of E Ink is also improved, but not comparable to OLED or LCD screens. Therefore, “choosing to use E Ink screen is a different move for Apple compared to other Android smartphone manufacturers”, 9to5mac said.

Follow Science and Life, Not long ago, in April 2022, The Elec also said that Apple is working with LG to develop a folding OLED screen with ultra-thin glass. This screen will be used for both Apple tablets and MacBooks. In addition, the company is testing foldable full-screen computers up to 20 inches in size.

However, according to Mr. Kuo, the long-rumored foldable iPhone will not be released until 2025, or even later. The device that Apple tested has a 9-inch OLED display, which is used to evaluate and verify key technologies related to Apple’s line of foldable devices.

E-Ink used to be popular with black and white screens, but the latest version of this technology has shown the ability to display more colors with high resolution. The refresh rate of E-Ink is also improved, however, it cannot be compared with OLED or LCD screens. Therefore, “the choice to use E-Ink screen is a move that differentiates Apple from other Android smartphone manufacturers.