In 2021, despite the presence of COVID-19, global economic activities have significantly recovered compared to 2020. In Asia, the control of the pandemic was relatively successful, and various business activities began to gradually recover in the second half of 2020. In Europe and the America, various sports events and business activities have also restarted since the beginning of 2021. In a nutshell, the economic impact of COVID-19 is gradually fading, which also allows the LED lighting industry to have a significant recovery in 2021 after a sluggish year. According t...