The service life of LED display is generally between 50,000-80000 hours, depending on the quality of LED beads, the environmental conditions of LED display, etc. 10. What applications can LED displays be used for? LED display can be used in various fields, such as outdoor advertisement, indoor advertisement, digital advertisement, instruction navigation, data display, safety warning, entertainment display, conference display, scheduling command, etc. All these fields need LED display to show relevant information.