Miscellaneous Tutorial

Seven segment display is the most common device used for displaying digits and alphabet. You can see the Seven Segment Display devices in TV shows counting down to ‘0’. Use of LEDs in seven segment displays made it more popular. The binary information can be displayed in the form of decimal using this seven segment display. Its wide range of applications is in microwave ovens, calculators, washing machines, radios, digital clocks etc. The seven segment displays are made up of either LEDs (Light emitting diode) or LCDs (Liquid crystal display). LED or light emitting diode is P-N junction diode which emits the energy in the form of light, differing from normal P-N junction diode which emits in the form of heat. Liquid crystal displays (LCD) use the properties of liquid crystal for displaying. LCD will not emit the light directly . These LED’s or LCD are used to display the required numeral or alphabet. Single seven segment or number of segments arranged in an order meets our requirements.