LED display can be categorized into indoor display, outdoor display and semi-outdoor display. The main clients are business owners. Displays are mainly used in public space for videos advertisements, posters display. Applications of such used to utilize low-end LED products. These displays adopt fewer LEDs and have larger pitches between each LED, generating relatively lower resolution. Thanks to the advancement in LED chips and LED packaging technology, the pitches could be minimized. Fine pitch LED display now provides even higher resolution. Consumers are able to tell the difference simply by comparing conventional display and fine pitch LED display products. High-end display market saw a growing number of orders for fine pitch LED display.