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Do LEDs have a wire filament?

April 26, 2017Filament LEDs wire

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Do LEDs have a wire filament?

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No, LEDs operate using entirely different components. LEDs are diodes; they only allow power to move in one direction. The anode (+) is where the current comes in and the cathode (-) is where the current goes out, much like the positive and negative terminals of a battery. Incandescent bulbs project light in every direction (omni directional) where LEDs due to their package design and layout, project light in specified directions such as 20, 50 or 120 degrees.