https://blog.wongcw.com/2019/01/05/lg%e5%ae%a3%e4%bd%88%e7%82%ba2019%e6%ac%be%e9%ab%98%e7%ab%af%e6%99%ba%e8%83%bd%e9%9b%bb%e8%a6%96%e5%85%a8%e9%9d%a2%e9%85%8d%e5%82%99hdmi-2-1%e6%8e%a5%e5%8f%a3/