COF：Chip on flex or chip on film. It is the most advanced full-screen smartphone display driver IC solution currently. It can also be applied to fingerprint-on-display modules, smart watch display modules, and high resolution TVs and medical displays etc.
The substrate wiring is precise, matching all kinds of large-size ultra-high-resolution smart TVs, monitors and other terminals. Compared with the COG solution, the width of the lower border of the display panel can be greatly reduced, which is the most cost-effective solution for realizing full-screen smartphones. The substrate is light, thin and short, with excellent bending performance, and is widely used in wearable products such as smart watches and bracelets.