Samsung S9 may have given up fingerprints

Samsung S9 may have given up fingerprints

image from google search

Until the summer of next year, users of Android phones can only take their hands around the rear of the full screen to unlock their fingerprints, or put two eyes tightly together in iris recognition.

 Get the iPhone X classmates, and now should have been accustomed to holding up the phone, to his face shot thousands of Mark points to unlock it. With its new depth camera solution, Apple's Face ID successfully squeezed Touch ID into the next generation of unlocking technology. On the other hand, Android camp still valued fingerprinting scheme at present, and with the overall screen as the standard, "Fingerprinting" technology has also become the first choice for Android Android flagship model. However, this upgrade process may not be that simple.(For more information, please pay attention to our  JackTelecom www.jacktelecom.com  Coupon Code:JKTRP8CXWHBUXHT,JKT4IX1MS1L61T1).

Recently, foreign media exposure Samsung next year's flagship Galaxy S9 series of mobile phones, has officially given up under the screen fingerprint program will continue to use the back of the solution to unlock the fingerprint. And even Apple, which currently tops the list with Face ID, has unfortunately failed to challenge screen-printing technology. So, under the screen fingerprint technology in the end how difficult, even so many technology giants?

Currently, fingerprint recognition unlocking has become the default solution for most smartphones. From a technical point of view, the current fingerprint identification capacitance, optics and ultrasound and several other solutions. Starting from the iPhone 5S, capacitive fingerprint identification program to become the mainstream, almost all mobile phone fingerprinting are capacitive solutions. Its working principle is to use the phone Home button or the back of the fuselage capacitance sensor to collect fingerprints of the user information. In the capacitive solution by adding thermal sensor, you can achieve in vivo detection.
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Small size, low cost and unlock quickly, so the capacitor solution has become the preferred way to unlock intelligent machines. However, since Samsung's Galaxy S8 began to popularize the concept of "full screen", the pre-capacitive fingerprint recognition scheme encountered a problem: it is difficult to place a capacitive fingerprint recognition sensor on the screen to recognize the user's fingerprint.

image from google search

The capacitor solution crashed, many companies can only focus on other more penetrating solutions, such as ultrasound and optical solutions. The optical solution means that the optical sensor is set at the bottom of the screen and the fingerprint of the user is identified by emitting near-infrared light. The idea is similar to Apple's structured light scheme. The ultrasound program, as its name implies, is set up at the bottom of the screen ultrasonic sensors, fingerprinting completed by ultrasound.

Ultrasound program practitioners, is currently the cusp of Qualcomm. According to data provided by Qualcomm, the developed ultrasonic screen fingerprint recognition technology can penetrate the 1200-micron OLED screen, 800-micron glass and 650-micron aluminum alloy. By the end of June this year, Vivo had demonstrated prototypes equipped with Qualcomm's ultrasonic fingerprinting solutions, but the live experience was not satisfactory. According to Qualcomm, the ultrasound solution still has the problem of bulky, high recognition rate and low recognition speed.
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Zhang Fan, chairman of the top technology in the media interview, said recently that the company's screen fingerprinting technology is still in research and development, and after the team in this technology has been invested three or four years. However, Zhang Fan did not disclose the real production time of the screen fingerprint technology. Some media revealed that Qualcomm's ultrasonic fingerprint identification program may mature early next year, the first mass production have to wait until the second and third quarter. This means that the Samsung Galaxy S9, released early next year, is doomed to fail the next-screen fingerprint program, while the Galaxy Note 9, which may be released in the fall, has the opportunity to take the lead in adopting the new solution.

image from google search

In addition to the off-screen fingerprint solution, many industry-leading companies have also begun to develop 3D facial recognition solutions that resemble iPhone X's Face ID. Qualcomm and Himax, Orbbec, Mantis Vision are all trying 3D recognition technology. Taiwan's KGI analyst Guo Mingchi predicted that the next two years, the Android device equipped with 3D identification technology shipments are using the screen under the fingerprint phone 2 to 3 times, one of the important reasons is that the screen fingerprints must match the OLED screen, and 3D technology Can carry OLED or LCD screen. However, Guo also disclosed that it takes two and a half years for an Android phone to duplicate the iPhone X's facial recognition level.(For more information, please pay attention to our  JackTelecom www.jacktelecom.com Coupon Code:JKTF9MAD5SAJRYX , JKT1Y16PCHJLIOM).

So, until next summer, Android phone users still can only hand around to the rear of the full screen to unlock the fingerprint, or match their eyes iris recognition of the two circles.

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