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At iMiD 2022, Samsung Display revealed an all-screen fingerprint display with blood pressure & blood sugar sensors embedded and much more

1 cover Samsung Display iMiD 2022(Click on image to Greatly Enlarge)


This weekend I stumbled on the Samsung Display keynote at this year's International Meeting on Information Display (IMID) 2022. For those following industry trends, Samsung Display's keynote was an eye opener into what lies just ahead for mobile, foldable, slidable, gaming and automotive displays. Below is a YouTube video of the keynote, and if you're like me, you'll need to turn on Closed Captions (CC) in order to follow along.


One of the technologies that Samsung Display's CEO Dr. JS Choi talked about was next-gen all-screen fingerprint capable displays. Samsung developed a high performance organic photodiode that will soon commercialize a fingerprint sensor available on the entire screen. Instead of having a fingerprint sensor found on a single area of a smartphone like today, future smartphones will be able to have full screen fingerprint displays that could capture multiple finger scans as noted in the Samsung Display slide below.


2 all screen fingerprint scanning display (Click on Image to Enlarge)


According to Dr. Choi, this means the security level will increase dramatically and it will lead the development of diverse applications. In addtion, the all-in-one sensor will integrate 5G antenna, biosensors and many others.


More specifically, as Dr. Choi spoke about biosensors, the slide called up specifically identified sensors relating to "Blood Pressure and Blood Sugar," two health areas that Apple has been working on for some time now for Apple Watch. The Biosensors built into Samsung's next-gen OLED displays will be revolutionary.


(Click on image to Enlarge)

3x Blood Pressure


Prior to delivering a full-screen fingerprint display, Samsung has applied for a patent relating to a dual fingerprint display for foldable devices. It was made public on November 24, 2022.


According to the patent, the fingerprint module will also include additional sensors such as an iris sensor, pressure sensor and illuminance sensor. Samsung's FIG. 7 below is a diagram illustrating an arrangement of a first fingerprint sensor and a second fingerprint sensor on a foldable electronic device.


4 samsung nov 2022 patent fig. 7 dual fingerprint sensor for foldable device


Unfortunately, some Samsung patents simply focus on the mechanics/engineering of a technology and doesn't provide readers of the patent with an explanation as to how that feature will be used. Though common sense would suggest that in order to open the user's home screen will require the user to use two fingers or thumbs to open it, doubling the security.


Samsung's Korean Patent filing could be reviewed on WIPO's IP Portal under WO2022244975 titled "Foldable Electonic Device including Plurality of Fingerprint Sensors."  


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