Internet of Light integrates illumination, communication and ministration

https://techxplore.com/news/2023-01-internet-illumination-communication-ministration.html

"interfaces with Internet of Things to provide intelligent lighting along with information services... transmits information by modulating LED light intensity... supports information services such as localization, data transmission and optical therapy without causing eyestrain or damage... combined sensors, communication modules and smart processing units into individual LED lamps to form node... collects information such as light intensity, color, level of hazardous gas, moving objects"