"Visual hacking" is used to describe what people sitting in or standing next to you in public places observe what you do on your phone. This doesn't seem to matter much, but given the things that many of us do on smartphones, such as sensitive information, email accounts, bank card information, personal photos, etc., this is definitely something we need to be vigilant about. If this is something you are worried about, then the anti-spy film can play an important role. So what is the anti-spy film and how does it work? Here is the information about the privacy screen protector the editor has compiled for you!
What is a privacy film?
As a screen protector, the anti-spy film can keep your screen display in a safe state and can effectively prevent prying at others. They can be PET film or tempered glass, but with an additional anti-peeping layer that limits the viewing angle of the display.
How does the anti-spy film work?
Most privacy films use a miniature shutter technology that allows light from the screen to pass only at certain angles. It only allows viewing at a narrower angle, usually 60 or 90 degrees, and anyone who views the screen from outside the viewing angle will only see a dark screen. So when buying a privacy film, you need to check if it contains micro-louver technology. Some inexpensive peep-proof films are basically just dark glass or film that control the viewing angle but also affect brightness and display clarity.
How to choose the material of the anti-spy film?
The anti-spy film is usually made of tempered glass or PET film. As for how to choose, it depends on personal preference and whether your specific screen is curved. Since many smartphones have curved screens and edges, it can be difficult to use tempered glass for full coverage. Therefore, in this case, you can try the anti-spy film of PET film material.
How to choose the vision of the privacy screen protector?
The angle of view is an important factor, it must be narrow enough so that people standing or sitting next to you are not within this range. If the angle of view is too wide, the screen is not protected. On the other hand, if it is too narrow, it may affect your own viewing experience. You must hold your phone completely and face the screen to ensure that you are properly viewing the content on the screen. For most privacy films, the available viewing angle is typically 60 or 90 degrees.
What are the other features of the privacy screen protector?
In addition to protecting your personal privacy, the privacy film also provides you with the same features as a regular screen protector. Keeps the display scratch-free and safe in the event of accidental collisions and drops. Equipped with an anti-glare coating, blue light filter to reduce eye strain, as well as oleophobic and hydrophobic coatings to protect the protector from fingerprints and oil.
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The laptop privacy screen is also called the anti-peep film, which is “left and right anti-theft” (also called 180 degree anti-peeping).