https://blog.wongcw.com/2020/12/06/e-ink%e6%94%9c%e6%89%8bplastic-logic%e7%99%bc%e5%b8%83%e5%85%a8%e7%90%83%e9%a6%96%e6%ac%be%e6%9f%94%e6%80%a7%e5%85%a8%e5%bd%a9%e9%9b%bb%e5%ad%90%e7%b4%99/