It has a high energy-saving potential and a long life span, and LED lighting is now the choice for most lighting applications. Moreover, it is becoming smarter and more human centric. Some companies are even using the ubiquitous lighting infrastructure for other services, thus going beyond human centric lighting. Here, sensors can be used to collect information for the Internet of Things. This puts the field of lighting at an advantage to play a significant role in future smart homes, smart buildings, and smart cities.