UV lamps emit ultraviolet light, which is effective for various applications, including sterilization and curing materials. They work by producing light in the UV spectrum, which can kill bacteria and viruses or harden certain substances like adhesives and coatings. LED lamps, or light-emitting diodes, are energy-efficient lighting options that produce visible light when an electric current passes through them. They are commonly used in household lighting, displays, and electronic devices due to their long lifespan and low energy consumption. Both types of lamps serve distinct purposes in technology and health.