Hi @alexanders62092
Not sure regarding an SM-G988B but here are the part numbers for the display assemblies for a Samsung Galaxy S20 Ultra SM-G988F model that may help.
Search online using the appropriate to the model that you're working on ''part number only'' to find suppliers that suit you best.
Display module LCD + Digitizer ''no frame'' GH96-13053A
Display unit complete cloud white (''without camera'') GH82-26033C GH82-26032C
Display unit complete cloud white GH82-22271C GH82-22327C
Display unit complete cosmic black (''without camera'') GH82-26033A GH82-26032A
Display unit complete cosmic black GH82-22271A GH82-22327A
Display unit complete cosmic grey (''without camera'') GH82-26033B GH82-26019A GH82-26032B
Display unit complete cosmic grey GH82-22271B GH82-22327B