A seven-segment display is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays.
Segment Displays(seven-segment LCDs), is also called static LCDs or glass LCDs. It is monochrome liquid crystal displays where the elements on the panel are divided into segments which can either be visible (on) or hidden (off). Which is one of the oldest display technologies, but also still one of the most popular display type. It has Low cost, High contrast, low power consumption, easy control and easy customize advantages.
It’s widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information. Nearly every segment LCD is custom designed to meet your requirements.