Undoubtedly, cell phones have become an essential item in the life of modern people, commuting to and from work on the subway, public transportation, everywhere you can see the “low head”, some are watching a drama, some chatting with friends, some dealing with mail ......

However, when you use your cell phone or computer in public areas, there is a headache: how can you prevent the person next to you from seeing the content on the screen to prevent personal privacy leakage? Don't worry, there is now a corresponding product on the market: anti-peep film. What is the role of this film, it is how to do “anti-peeping”?

What is the principle of anti-peep film?
1, “anti-peep film” refers to a layer of cold mounted tempered film affixed to the cell phone or computer screen, looks no different from ordinary cell phone computer tempered film.
2, but affixed to this film, only the user is facing the phone or computer screen to see the contents of the screen, others from the side look over, can only see a black, so as to prevent prying eyes, to protect the user's privacy role.
3, in addition to cell phones and computers can be installed, anti-peep film also has many other applications.
For example: in the bank's ATM and other self-service equipment can also be installed on a similar anti-peep film to protect the customer's personal information and passwords and other content, to prevent leakage; in police stations, interrogation rooms and other places that require a high degree of confidentiality, you can also choose to install anti-peep film to the equipment, to prevent the leakage of suspects and case clues.
4, even in some of the judicial exams, English exams and other computerized machine exams on site, you can also give the computer to install anti-film, to play the role of using new technology to prevent cheating behavior, improve the fairness of the examination.
Long-term use of anti-snoop film also has disadvantages
1, the existence of anti-peep film can provide convenience for many need to work in the subway, airports, coffee shops and other public areas of the temporary office workers.
2, however, a coin always has two different sides, everything has its disadvantages, anti-peep film also has some problems.
3, first of all, it will lead to a decrease in the degree of light transmission and brightness of the screen, reducing the effectiveness of the user. Due to the existence of blinds anti-peep structure, only a small part of the light can be reflected out into the user's eyes to form an image, so the light intensity is not enough, the user will find the screen brightness is much lower than normal.
4, although the anti-peep film itself does not release harmful substances to the human eye vision, will not directly affect the human eye vision, but, long time staring at the lower light of the cell phone or computer screen to work, easy to cause visual fatigue, there is a certain adverse effect on the human eye vision, and brighten the screen will make the device's range decreased.
5, and the quality of the anti-peep film on the market varies, some merchants in order to lower the cost and profiteering, will sell some of the quality of the anti-peep film, which may contain a number of harmful substances, consumers should be careful to choose.

Therefore, we still look at the demand for the use of the purchase try to pick a good quality of anti-snoop film.