Apple Continuing To Develop Under-Display Touch ID For Future iPhones

The flagship iPhone in recent years embraces Face ID instead of Touch ID for biometrics. But now, people wearing masks would rather unlock their iPhone with Touch ID. Apple is aware of this, and they have not given up the idea of using Touch ID again in high-end devices. In fact, Apple is continuing to develop an under-display Touch ID. If it goes well, it could be installed on the iPhone released in the future.

Recently, the United States Patent and Trademark Office issued two new patent applications for Touch ID under the display.

The first one is "Through-Display Optical Transmission, Reception, or Sensing Through Micro-Optic Elements." It describes the optical sensor under the display and said the technology can "capture a two-dimensional (2D) or three-dimensional (3D) image of an object or user that is proximate to a device", such as a fingerprint. Through this optical sensor, light can be transmitted through the bottom of the screen to the top of the screen. The hassle of this technology is the quality of the display, but Apple has always used top-level screen panels, so that shouldn't be a huge problem.

Another patent is the "Optical-Fingerprint Detection System". To combat the impact of temperature on the OLED display, the patent details a method that can provide temperature compensation for the optical fingerprint module to ensure the fingerprint recognition rate under the screen.

In addition to optical fingerprint recognition, Apple is also developing fingerprint recognition based on acoustics, similar to Samsung’s first ultrasonic fingerprint technology under the Galaxy S10 series.

News of an iPhone with under-display Touch ID has been around for years, but it seems it getting more hype this time about. For example, reliable analyst Ming-Chi Kuo reports last year that Apple is looking at introducing a new device in 2021 that offers both Face ID and under-display Touch ID, Supply chain sources also hinted that Apple would choose to jointly develop the Touch ID module with partners.

Image Via Cult of Mac

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