@calioga, Hi, welcome to the forum!
Please read How to get the best out of this forum.
Please learn that for the Displays section you should provide a clickable link to the device in question.
The Lilygo 4.7 e-paper display I know has a panel with parallel interface connected directly to the ESP32 processor, with some circuit added for driving voltages generation.
It works only with the special highly optimized library TTGo provides a link to.
Jean-Marc