What does the acronym LED stand for?

The acronym LED stands for Light Emitting Diodes. This term accurately describes the technology where light is produced when an electric current passes through a semiconductor material. LEDs are widely used for various applications, including lighting and displays, due to their energy efficiency and long lifespan. Understanding this technology is important in the context of K-Laser Class IV applications, as it relates to the principles of light therapy and the therapeutic modalities used in promoting healing and tissue regeneration. In contrast, the other options presented do not accurately represent the functionality or terminology associated with LED technology.