https://blog.wongcw.com/2023/03/15/lg%e7%99%bc%e5%b8%8349%e8%8b%b1%e5%af%b8%e9%81%8a%e6%88%b2%e9%a1%af%e7%a4%ba%e5%99%a8%ef%bc%9a329%e6%9b%b2%e9%9d%a2%e5%b1%8f240hz%e5%88%b7%e6%96%b0%e7%8e%87/