Led Light Circuit Symbol. Lamp light bulb. The led symbol is shown below.
The led symbol is the standard symbol for a diode with the addition of two small arrows denoting emission of light. Led light emitting diode. The cathode is marked on the rim of the led body with a flat area shown in the diagram.
The way that the schematic symbol of the led maps to the physical led is shown in the diagram below.
The cathode is marked on the rim of the led body with a flat area shown in the diagram. Lamp light bulb. Lamp light bulb symbols. An led must be connected in a circuit the right way around observe the polarity of the led.
