Seven-segment representation of figures can be found in patents as early as 1903 (in U.S. Seven-segment displays are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information. A typical 7-segment LED display component, with decimal point in a wide DIP-10 packageĪ 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.