The common usage scenarios of LED door head screens are as follows: - Commercial field: Commercial stores display names and promotions; catering establishments present dishes and offers; hotels show room reservation information. - Service industry: Banks display business information and interest rates; medical institutions publicize department information and doctor on-duty details; entertainment venues release project information and ticket prices. - Public scenarios: Schools display mottos and announcements; transportation hubs show train and flight information; communities issue notices; factories and enterprises promote products and release recruitment information.