Single digit LED display is popular because of its flexibility. It consists of seperated segments that can be fixed together on a PCB or panel. This display has many features which are listed as below: (1)extremely low current; (2)excellent segment uniformity; (3)sold state reliability; (4)industrial standard size; (5)IC compatible; (6)low power consumption, high intensity; (7)long lifespan. It can emit various of colours, such as red, yellow, green, blue, etc. The encapsulation modes of single digit LED display are glue poured, black face white, glue and binder ratio diffused. Its drive mode is common anode or common cathode. Besides, all dimensions are available for the display. It is suitable for home appliance like air-conditioner, water heater, fridge, liquid crystal display, fluorescent display and so on.