https://blog.wongcw.com/2020/10/15/galaxy-fold%e6%9b%b4%e6%96%b0%ef%bc%9a%e7%8d%b2%e5%be%97edge-panel%e5%92%8c%e8%ab%b8%e5%a4%9a%e7%9b%b8%e6%a9%9f%e6%94%b9%e9%80%b2/