This standard specifies the terms and definitions, product structure, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of optical diffusion films (referred to as diffusion films) for liquid crystal display backlight modules. This standard applies to film products that correct light into a uniform surface light source in liquid crystal display backlight modules.
T/ZZB 0215-2017 history
2017T/ZZB 0215-2017 Optical diffusion film for liquid crystal display(LCD) backlight unit