Many manufacturers rush for the optical fingerprint under the LCD screen: will become the standard for low-end mobile phones

by:Kimeery     2021-05-29

Currently, under-screen fingerprints (FoD) mainly appear in mid-to-high-end mobile phones equipped with LCD for Samsung displays.

The industry believes that whether the application rate of this technology can be greatly increased depends on how many manufacturers will use LCD panel-based fingerprints in 2020.

In 2019, Shenzhen Fortsense developed a FoD sensor solution based on a TFT LCD screen, but it has not yet been commercially available. Shanghai Luoji (OXi) TFT-based FoD has also been successfully developed, but mass production has been delayed. Last year's CES, France Isorg also demonstrated related technical achievements, it seems that they want to share a bite of the cake.

In the current LCD for Samsung FoD solution, the under-screen optical fingerprints account for 75%, and the rest are ultrasonic fingerprints. The under-screen optical fingerprint has been adopted by Samsung (Galaxy A), Huawei, Xiaomi, OPPO, vivo, etc. Samsung's supplier is Aegis, and Huami OV is based on Goodix.

In the third quarter of last year, the average price of optical fingerprints dropped from US$8 at the beginning of the year to US$5. However, Qualcomm’s exclusive ultrasonic fingerprints are still above US$10, which is indeed expensive.

It is worth mentioning that Goodix CEO Zhang Fan clearly stated in his 2020 New Year message that it will accelerate the popularization of fingerprints under LCD screens among consumer groups.

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