Profile overview
Who is Harald Haas?
Harald Haas is an inventor associated with Germany and United Kingdom. Their documented work in communications hardware includes Li-Fi optical wireless communication hardware, the contribution at the center of this evidence-backed profile.
Haas pioneered Li-Fi, hardware that modulates LED light sources to transmit data through optical wireless links. The approach turns illumination equipment into communications infrastructure and offers a distinct spectrum and security profile from conventional radio Wi-Fi.
What did Harald Haas invent?
Pioneered Li-Fi systems that use LED luminaires as high-speed wireless optical transmitters.
What did Harald Haas accomplish?
The University of Edinburgh identifies Haas as the inventor of Li-Fi and documents its transition from laboratory demonstration to commercial optical-wireless products.
What is known about Harald Haas today?
The University of Edinburgh's 2026 academic profile lists Haas as professor and Li-Fi R&D Centre director.
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