LGF light guide film/light guide sheet, it is to add a layer of LGF to the existing ordinary double-layer structure or EMI structure conductive ...

The working principle of the light guide is also relatively simple. The main working principle is to use the reflection and refraction of light ...

It’s also called the key phenomenon of Guozi slices that cannot be played when pressed down. This is fatal to the Guozi slices; it directl...