Many people have had the experience of someone peeking at their phone screen while playing on the subway; When buying and paying, I always worry that my password will be seen by others. The purpose of pasting an anti spying film on a mobile phone is to prevent others from peeping at the screen and protect privacy. After pasting it, only the person facing the screen can see it clearly, and the screen cannot be seen from a certain angle.
Industry insider Chenggong (pseudonym) introduced that the principle of anti peeping film is very simple, using micro shutter optical technology, which is very similar to the louvers used in the office. By adjusting the angle, different visual obstructions can be achieved. Now, the relatively new anti peeping film is a bit similar to the structure of Sanming. It can be understood that the core of the sandwich is its anti peeping structural layer, and then two PET layers are sandwiched between the top and bottom of the anti peeping structural layer. There is also a PE protective layer above the PET layer, and if toughening and anti falling are required, an AG hardening layer needs to be added. These layers are relatively thick together and have low light transmittance
Open the e-commerce platform and search for anti peeping films. You can see that major mobile phone film brands have their own anti peeping films, and their sales are not low. Some brands even claim to be 8K high penetration anti peeping films and 28 degree true anti peeping films. Is the anti peeping film really as magical as the store owner said?
Ms. Zhao said, "Buying anti peeping film is not only to protect privacy, but also for security reasons. For example, when there are many people standing around during a company meeting or taking the subway, others may be able to see the content on your phone screen with just a glance. For example, when entering a password outside, if you have an anti peeping film, it feels safer
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