Compensation film (phase difference film) is widely used in the field of liquid crystal displays. The level of localization in the Chinese market needs to be improved.

Compensation film, also known as retardation film/retardation film, refers to a multi-layer composite film used to compensate for the phase difference of the liquid crystal material inside the liquid crystal display, and to improve the contrast, viewing angle, color correction, etc. of the liquid crystal display. It belongs to One of the subcategories of optical…