https://blog.wongcw.com/2020/08/10/%e8%8f%af%e7%82%ba%e9%9b%bb%e7%ab%b6%e9%a1%af%e7%a4%ba%e5%99%a8%e6%9b%9d%e5%85%89%ef%bc%9a240hz%e5%88%b7%e6%96%b0%e7%8e%87%e3%80%81miniled%e5%88%86%e5%8d%80%e8%83%8c%e5%85%89/