CONTROL DEVICE FOR ILLUMINATION DEVICE

原文（中国語）

According to an aspect, a control device includes a touch sensor and a display panel configured to display an adjustment region for adjusting the diffusion degree of each illumination device. The control device is configured to: acquire a target diffusion degree corresponding to a touch detection position in the adjustment region; and execute coarse adjustment processing of adjusting the diffusion degree to be close to the target diffusion degree in steps of a first adjustment interval, matching processing of matching the diffusion degree to the target diffusion degree, and fine adjustment processing of adjusting the diffusion degree to be close to the target diffusion degree in steps of a second adjustment interval. The control device is configured to calculate a diffusion degree difference value and execute the coarse adjustment processing, the matching processing, or the fine adjustment processing depending on the diffusion degree difference value.