Professor Harald Haas coined the term “Li-Fi” to mean ‘light fidelity.’ However, Li-Fi is rather distinct in a far more fascinating approach; it is distinguished as new, groundbreaking technology that aims to provide ubiquitous wireless access for indoor communications, or indeed any, illuminated area. Li-Fi uses the light waves from LED light bulbs to transmit data, simultaneously providing a home or area with both illumination and wireless communication.
Source: EEweb Articles
Link: Li-Fi: A Brighter Solution to High-speed Internet Access