Screen Fingerprint What is the difference between under display fingerprint and front facing fingerp

It's just that the fingerprint recognition location is different, the technology and cost are also different, the lowest cost of the rear fingerprint of the mobile phone is relatively simple, the front fingerprint is more complex due to the relationship between the screen ratio, the cost is more expensive, and the under-screen fingerprint is more expensive in terms of technology and cost.

To put it bluntly, there is no need to open an extra hole in the screen and place the fingerprint module, but to hide the fingerprint sensor directly under the screen.

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At present, there are 3 most commonly used under-screen fingerprint solutions on the market. One is the more commonly used capacitive fingerprint, and the other two are ultrasonic fingerprint recognition and optical fingerprint recognition.

Do you really understand under-display fingerprint technology What exactly is under-screen fingerprint.

However, compared with the other two, ultrasonic fingerprints are carried on some high-end flagship models, such as Samsung and Xiaomi. However, because the technology is relatively immature, the user experience.

Poor, the cost is high, so it is used less. However, in the future, there is a lot of room for development.

Capacitive fingerprints are not too much to be introduced, and the recognition rate and encryption are too poor. By this year, he will rarely be used in the flagship level, and in the future, some low-end machines may be used to match.

Today, we focus on optical fingerprint recognition, which is also the hottest under-screen fingerprint recognition at present. To put it bluntly, this identification method is the same as when we swiped the access card in the past.

The principle of swiping a timecard is the same. All use the refraction of light.

and the principle of reflection, the light emitted by the refraction and reflection of the fingerprint surface produces different light brightness and darkness, and the sensing device records the "crest" and "yu" in this way, so as to identify and verify.

Finally, through the algorithm processing, the database is compared to confirm whether it is consistent, and if so, it can be unlocked successfully.

Nowadays, there are a lot of settings for unlocking your phone. Previously, phone unlocking could only be done with a passcode. It is with the development of mobile phones, now mobile phones can be unlocked not only with fingerprints, but also with faces.

However, fingerprint unlocking is the most common, and there are currently several more ways to unlock the mobile phone, such as under-screen fingerprint and side fingerprint. Which is more convenient, the side fingerprint or the under-display fingerprint of the phone? <>

For some people, the benefits of fingerprints on the side of the mobile phone are also very numerous, such as not wanting to have too many designs under the screen of their mobile phones. Therefore, you will choose to buy a mobile phone with a fingerprint on the side of the phone, and you can unlock it with one click as long as you need to put your finger on the side of the phone. Overall, it's still very convenient, but the only bad thing is that it's still very difficult to unlock it when your hands are dirty, or when there are some other situations.

And when most people hold their mobile phones in their hands, they are prone to suddenly unlock their mobile phones, so there are also some inconveniences. <>

The benefits of the under-screen fingerprint are still a little more than the benefits of the side fingerprint, although from his appearance, it is more beautiful than the side fingerprint of the mobile phone. However, he is still very lenient with the conditions for unlocking. You can unlock it with one click by placing your finger under the screen, and you don't have to worry about your finger not being able to cover it all.

So this kind of under-screen fingerprint unlocking method is still very suitable for some people. After all, there are certain inconvenient factors in the fingerprint on the side of the mobile phone, so some people will choose to buy an under-screen fingerprint unlock when they buy. <>

Although there are many ways to unlock it, you must pay attention to the security of mobile phone information when you use it in ordinary times. Don't leave out your fingerprints and let people with bad intentions get them, otherwise, someone else will steal your phone and you can remove the important information inside. Now in addition to the under-screen fingerprint unlocking method, there is also on-screen fingerprint unlocking, and in the future development, there may be more unlocking methods for mobile phones.

First of all, in terms of operational symmetry, because the side fingerprint mobile phone often only places physical buttons on one side, it is easy to lead to the inconsistency of the left and right hand switching operations. Secondly, the operation convenience of the under-screen fingerprint is better than the side fingerprint, for example, when the front of the mobile phone is placed, you can reach out and press the screen to unlock it, while the side fingerprint is very inconvenient for people who are used to using the mobile phone with the left hand, so it is more convenient and faster to use the fingerprint under the screen.

I think it depends on personal habits, some people like the fingerprint on the side of the phone, and some people like the fingerprint under the screen.

If possible, it is recommended to have an under-screen fingerprint, which is better than the side fingerprint.

Side fingerprint, because the under-screen fingerprint is easy to fail due to long-term exposure to the sun.

Side fingerprint, rear fingerprint and under-screen fingerprint, I will like the under-screen fingerprint unlock even more. Commenting on fingerprint unlocking will be more convenient, and it can also make the phone look better as a whole. If it is a rear fingerprint, then it is also necessary to design a fingerprint unlock place at the back of the phone, thinking that this will easily affect the overall appearance of the phone.

If it is a side fingerprint, it also needs to take up a certain amount of space. But the under-screen fingerprint is different, the under-screen fingerprint does not need any space, and it will not affect the overall aesthetics of the phone. <>

I like under-screen fingerprints very much, just because under-screen fingerprints are very convenient. We only need to press our fingers on it, we can unlock it quickly, and I think the under-screen fingerprint will not affect the overall sense of use of the mobile phone, and the under-screen fingerprint is also more suitable for most people. In fact, you can find that at the beginning, it was the rear fingerprint, and then it slowly became the side fingerprint, and then it became the under-screen fingerprint, and it can also be found from here that the under-screen fingerprint did defeat the other two.

Because scanning others feels that the under-screen fingerprint will not affect the overall beauty of the phone, and the under-screen fingerprint can also be more convenient. Why do many people complain about Apple mobile phones? I think it's because the Apple phone uses face unlock and no fingerprint unlock.

If the face is unlocked, if there is no epidemic, we don't need to wear masks, which is indeed very convenient, but because of the current epidemic, we need to wear masks to unlock, which is very troublesome. <>

In fact, in comparison, no matter which fingerprint unlock, as long as the fingerprint unlock is very sensitive, then it is also very convenient. It's just that everyone likes to be different, and everyone has a different opinion on aesthetics. You can also buy a mobile phone that suits you according to your favorite, so that it will be more comfortable to use.

I think the under-display fingerprint is the best, because it's more convenient for people to use.

I think the side fingerprint is the best way to unlock the phone, because when people pick up the phone, their fingers will touch the side of the phone, if the fingerprint is just on the side, you can unlock the phone faster.

I think it's good to put it in the back. I have two fingerprint unlocked phones. Maybe it's because my fingerprints are special, but the side ones always fail, so I have to stop using them in the end. And the latter is always sensitive and correct.

Both side fingerprint unlocking and under-display fingerprint unlocking are good.

I think the rear fingerprint is the best solution, because I think it is more convenient and very beautiful.

I think the side fingerprint is a very good way to unlock, and from my personal habit of holding the phone, I often pick it up from the side, which will be very convenient.

Optical fingerprint recognition is very common in life, for example, the punch card machine in daily work uses optical fingerprint recognition technology, which mainly relies on light reflection to detect fingerprint circuits. The optical under-screen fingerprint in the smart phone is limited by the size of the smart phone, so the original optical system can only be abandoned and the light of the mobile phone screen can be used as the light source. At the same time, because the LCD screen cannot be self-illuminating, the current products that support optical under-screen fingerprint recognition are all OLED screens.

Under-display fingerprint: Fingerprint unlocking can only be done in the lower area of the screen.

Screen Fingerprint: The entire screen area can be fingerprinted unlocked.