These festive illuminations utilize light-emitting diodes (LEDs) to produce a variety of hues, often shifting through a spectrum of colors or displaying pre-programmed patterns. A typical example involves strings of lights where each bulb contains multiple LEDs, allowing for complex color combinations and dynamic displays.
Their energy efficiency, longevity, and versatility have contributed to their widespread popularity. Compared to incandescent bulbs, LEDs consume significantly less electricity and have a longer lifespan, reducing both operating costs and environmental impact. Moreover, the ability to dynamically alter colors provides an enhanced decorative experience, allowing for customization and integration with various themes and moods. This represents a significant advancement over traditional single-color incandescent Christmas lights.