Polarizing films are usually used for the front and back layers of the LCD. Place one of the polarizing films in parallel on top of the other, and the brightness of the LCD screen will be the brightest; if one of the polarizing films is placed vertically on top of the other, the LCD screen will appear almost black. Therefore, it can be judged that the optical characteristics of LCD, such as brightness and contrast, are largely affected by the characteristics of the polarizing film.
Steps of how to perfectly stick the protective film on the surface of the product:1. Prepare a suitable large and flat work space-larger than the object to be protected-clean and free of dust, liquids or contaminants.
The protective film is an important protective material for the surface of PVC plastic profiles, and it is also an indispensable packaging material in the transportation, production and installation of modern energy-saving doors and windows. Its popularization and application can protect the surface of PVC plastic doors and windows from scratches and stains, and remain as smooth as ever.
The single-layer PET protective film is made of polyester film (PET) as the base material, polyethylene terephthalate as the raw material, made into thick sheets by extrusion, and then made by biaxial stretching; Coated with silica gel water on one side to form a single layer PET protective film.
With the widespread use of laptop computers, the protective film has become longer and longer for users to work with the computer every day. Some symptoms caused by long-term use of the computer are also increasing: