Identification methods and selection techniques for blue lig
The most direct way to distinguish the anti blue light mobile phone film is to use a blue light test light to directly detect it on the spot. Because the anti blue light film can effectively filter and block the blue light emitted from the background light source of the phone. The production of anti blue light mobile phone film has strict implementation standards, and to circulate on the market, it is necessary to obtain certification from professional institutions. Therefore, when selecting anti blue light film, it is necessary to check whether it has the blue light effect monitoring done by a third-party organization.
Tips for selecting anti blue light film:
Anti blue light film is a protective film with the function of blocking blue light. The most important technical parameter is the blocking rate of high-energy blue light, which reduces the irritation of screen blue light to the eyes, achieving the effect of protecting the eyes and preventing eye fatigue.
You can refer to the following aspects to purchase anti blue light film:
material quality
Pay attention to whether the product details describe HD ultra high definition technology, preferably optical grade PET material with a light transmittance of over 90%.
thickness
The thicker the anti blue light film, the better. Regular and professional polarizing manufacturers such as AP brand anti blue light film can achieve a thickness of 0.1mm on the premise of achieving 99% protection against blue light, which is no different from ordinary mobile phone protective films.
Blue light protection value
A legitimate and effective product has a protection rate standard for blue light that is greater than 99.9% UV protection. This can effectively filter and reduce the high-energy blue light scattered by the screen, reducing the fatigue of the eyes when watching the screen for a long time.