Brightening film (BEF) has a wide range of applications. Daoming Optical is a leading company in my country.

brightening film (bef), also known as condensing film and prism film, refers to a layer of optical film with a uniform prism pattern produced by precision molding using acrylic resin on the surface of very transparent pet. the light-enhancing film has the characteristics of enhancing light and improving brightness, and is widely used in mobile…