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In this paper, a bending machine for tuning the optical design of an LED module is proposed. The tuning is done by changing, with the help of an automatic control program, the angle at which each package on a given module is bent. The distribution of luminous intensity can be controlled by adjusting the light emission path, which in turn can be implemented by changing the angles of individual LED packages on the module. The proposed machine is capable of bending packages to specified angles with less than 0.1° of error. Three-dimensional light distribution for bent package LED modules is also studied, based on various application scenarios, so that each scenario can have a diversified luminous intensity distribution, resulting in higher uniformity and better quality luminance. The machine has several advantages, including quick bending, high accuracy, and great customizability. With these advantages, the machine meets the requirements of automatic mold forming.

Multi-Angle Bending Machine for Creating High Luminance Efficiency LED Module with Diversified Light Distribution Curve