What is EDID?

Answer: The full name of EDID is Extended Display Identification Data (extended display identification data), a total of 128 bytes. It contains parameters about the monitor and its capabilities, including vendor information, maximum image size, color settings, factory presets, limits on frequency ranges, strings for monitor name and serial number, and more. Figuratively speaking, EDID is a collection of ID cards, household registration books, skill certificates and other documents on the display. The purpose is to tell others who I am, where I come from, and what I can do.