The patent is titled “Managing consistent fingerprint-on-display (FOD) location on a rollable device having multiple fod sensors”
Motorola showcased the Rizr during MWC 2023
Motorola showcased its rollable concept device in 2023 and we've seen more development in this space in the past few months with bigger manufacturers getting involved. A new patent from Motorola suggests new details about the company's rollable Rizr concept. The Lenovo-owned brand appears to be planning to incorporate multiple fingerprint sensors throughout the display on the rollable smartphone. This would let users unlock the device by touching any part of the screen.
Motorola has filed for a patent from the United States Patent and Trademark Office (USPTO) for a phone with a rollable display and full-screen fingerprint sensing. The patent titled “Managing consistent fingerprint-on-display (FOD) location on a rollable device having multiple fod sensors” showcases a device that resembles Motorola's rollable Rizr smartphone design. The US patent published on November 5 is listed with the patent number "12135587B1".
Motorola's design integrates multiple fingerprint sensors across the entire display. This would enable unlocking the device from any part of the screen. Currently, fingerprint sensors are restricted to specific areas in a smartphone. As per the schematics included in the document, the finger area is available at least in both a fully retracted position and a fully extended position. "While retracted, both fingerprint scanners are aligned FOD areas for use while looking at either the front or back portions of the flexible display. While extended, the front fingerprint scanner is aligned with the second FOD area while viewing the flexible display".
Motorola's rollable device
Photo Credit: USPTO
Motorola demonstrated its rollable Rizr concept at the Mobile World Congress (MWC) 2023. It has a 5-inch display that can extend to 6.5 inches by at the press of a button. The part of the display that's not used when rolled up will wrap around the bottom and slide up on the back over the rear panel.
Besides Motorola, brands like Vivo, Transsion Holdings, TCL and Samsung are working on rollable phones.
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