Bent, folded or curled, the potential for flexible OLED displays is huge. Plastic, organic OLED displays are thinner, lighter and more flexible than LCDS. Unlike LIQUID crystal displays (LCDS), OLED displays do not require backlighting but are brighter. However, for the small bending radius required by smart phones, foldable display modules face greater challenges in materials and technology. Each layer of the foldable display needs to be flexible and transparent, including touch panels, touch sensors, polarization mirrors and cover panels. In addition, all layers need to be very durable and ensure that they can withstand about 100,000 folds in the average smartphone life cycle. In die-cutting, we acrylic foam and PE foam tape with raw materials manufacturers specifically for the need of window paste and die-cutting process design, through a number of strict tests, can meet the next generation of flexible display technology needs. These include static stress tests on different component materials during folding and dynamic stress tests in the unfolded state.