What are the relevant parameters of the screen protector?
While the laptop computer protective film transmittance is generally around 85%, better in about 90%.
And poor quality film transparency is generally below 80%, seriously affecting the screen display, and indirectly reduce the brightness of the screen, long-term use will increase eye fatigue.
The market only a few high-quality mobile phone film products can reach 95% of the light transmission.
Made of plastic material screen protective film, it is impossible to achieve 99% light transmission rate of such a level, so the publicity "99% transmittance" are exaggerated.
Many protective film products claim that the "99% transmittance", in fact, is impossible to achieve, the highest transmittance of optical glass, the light transmittance was about 97%.
