What is the difference between LED and incandescent light bulbs?

LED (Light Emitting Diode) and incandescent light bulbs are fundamentally different in terms of how they produce light. Incandescent bulbs work by heating a filament, which emits light as it becomes white-hot. This process generates a significant amount of heat, making incandescent bulbs less energy-efficient. On the other hand, LED bulbs use a semiconductor to generate light when an electrical current passes through it. This means they produce significantly less heat, making them more energy-efficient and environmentally friendly. Additionally, LED bulbs have a much longer lifespan compared to incandescent bulbs, lasting up to 25 times longer. While incandescent bulbs emit light in all directions, a well-designed LED bulb can emit light in a specific direction, providing better brightness control. LED bulbs - though initially more expensive - offer long-term cost savings due to their energy efficiency.