The functions of a laptop LCD protective film: 1. Ordinary films: Ordinary films only protect the screen from dust and scratch. This kind of films is commonly used and classified into two types--scratch-resistant(a bit more expensive) and non-scratch-resistant. 2. Functional films: this kind of films has better properties of scratch-resistant properties that can be classified into: A. Anti-reflection films, preventing the reflection of light on the screen, work well on some glossy display. Correspondingly they are more expensive than ordinary ones. B. Anti-ultraviolet-radiation films, protecting your eyes, have different technical content. This type of films is colored film --purple or green. But there's no need to mind the color because it's actually transparent when it cover the screen. The color a41 won't show up. And it won't affect the color displayed on the screen. C. Privacy-protective films. After coated with this kind of films, only looking at the screen head-on, or from no more than 30 degrees to sides, people can see the content shown on it clearly. And this kind of films is the most expensive among all.
