Designed specifically for backlight modules of mobile phones, laptops, AR/VR devices, etc., it features a strip-shaped belt to prevent damage to the adhesive frame. The process includes film removal and dust cleaning, as well as pre-treatment such as film pressing and development to eliminate interference. Equipped with dual illumination methods and multi-angle cameras, it achieves full coverage in detecting over 10 types of defects, including internal contamination and dark spots, with a detection rate of 99.8%. The algorithms are flexibly adaptable to irregularly shaped products and compatible with traditional Blu and Mini LED backlights.