With the growing interest in social network privacy and data security, privacy filter have broad prospects for development. The global "laptop film market" is expected to show a high growth rate in the next 8 years. The most widely used sizes are: 17 inches, 15.6 inches, 14 inches, and 13.3 inches; the largest regions in the consumer market are: North America, Europe, Asia Pacific, Middle East;

　　Why does privacy filter have such a large market prospect?

　　Enhanced passwords and reliable encryption technologies currently on the market are important to protect private work data. But these tools can't stop people nearby from simply peeking at your screen from your shoulders, or taking a company secret file that you're working on. These shoulder voyeurs are known as visual hackers and are a serious security threat that every business should not overlook.

　　The privacy filter is a protective film that is attached to the display screen of the notebook. It can limit the viewing angle through optical polarization technology, so that only the person sitting in front of the screen can see the content on the screen. Anyone who tries to peek from the side or the top will only see a blank black screen.