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Meet J.Protect, the First Circadian Lighting System That Safely Inactivates SARS-CoV-2, the Virus that Causes COVID-19, Differently Depending on Whether People Are Present or Not

Backed by Comcast Ventures, Viola Growth, Amdocs and others, J.Protect has undergone clinical testing and is EPA-registered in 47 US states


Today, Juganu officially launched its first-of-its-kind circadian lighting system, J.Protect. The system uses a combination of high-quality surface light mixed with ultraviolet A (UV-A), as well as ultraviolet C (UV-C) light to inactivate bacteria and viruses – including SARS-CoV-2, the virus that causes COVID-19. The system can be installed in a variety of public places, including hospitals and health facilities, retail stores, banks, restaurants, airports, gyms, schools, and office spaces.

J.Protect comes at a time when the world is simultaneously trying to figure out how to safely reopen indoor spaces while preparing to battle another looming wave of the virus as we head into the colder months.


  • The system can be installed without rewiring or structural changes and is operated with an intuitive ‘plug and play’ interface that users can operate via a mobile application.
  • Venues install J.Protect’s overhead luminaire for indoor public spaces, delivering high-quality, natural lighting that mimics the effect of natural light, offering “sunrise to sunset” transitions. 
  • The system maximizes the uniformity and effectiveness of indoor space illumination and protectiveness by providing the best possible space coverage, even reaching walls and shadowed areas. 

Here’s how it works:

J.Protect blends various colors from across the visible spectrum and UV-A to inactivate bacteria and viruses. The two disinfection modes are: 

  • Allegro: A continuous mode that uses the safest part of the light spectrum range, making its light effective without duration limitation and safe while people are present.
  • Presto: With the addition of UV-C, an accelerated mode that disinfects an area within minutes once cleared of people, providing maximum efficiency across the germicidal spectrum. 

Using different combinations of Allegro and Presto together allows the system to disinfect spaces in a time period that ranges from a matter of a few minutes to several hours. 

“Keeping hospitals and other health facilities clean is a critical patient safety issue, especially during a pandemic,” said Dr. Tomer Avni at Beilinson Hospital. “We implemented J.Protect in an inpatient room in the Beilinson Hospital to test its effectiveness at inactivating bacteria, mold and yeast present, and were so impressed with the results that we’ve decided to install J.Protect throughout an entire ward in the hospital.”

Juganu is already seeing global demand across the US, Europe, Asia, and Latin America. The technology has been clinically validated through a study conducted by Dr. Gal Tanamy at the Bar-Ilan University Faculty of Medicine, and Juganu has successfully completed a pilot in Israel’s Rabin Medical Center, with another about to begin in Europe. Juganu has established strategic partnerships with Qualcomm, NCR Corporation, and others to deploy the J.Protect solution. J.Protect is EPA-registered in 47 US states. 

“Juganu’s revolutionary technology comes at a critical time, with scientists recently confirming that SARS-CoV-2 can survive up to 28 days on surfaces,” said Ayal Shiran, General Partner at Viola Growth. “We at Viola Growth believe J.Protect represents a step forward in UV light technology and will be a game-changer in safely reclaiming our shared spaces and ensuring business continuity.”

Juganu was co-founded by Eran Ben-Shmuel and Alexander Bilchinsky, serial entrepreneurs with more than one hundred registered patents in physics and technology, with the mission to create a safer, more connected world. To date, Juganu has raised $53 million from leading investors including Comcast Ventures, Viola Growth, Amdocs, OurCrowd, and others, and has offices in Israel, Brazil, Mexico, and the US (New York).

“Smart lighting will be one of the biggest areas of opportunity for physical spaces. We are evolving from lights simply illuminating spaces to disinfecting and securing them, as well as promoting well-being by recreating natural light shifts based on sunrise and sunset,” said Eran Ben-Shmuel, CEO and Cofounder of Juganu. “With J.Protect, we hope to be the light at the end of the tunnel of the COVID era.”

To learn more, visit: 

About Juganu:

Founded in 2011, Juganu’s mission is to create a safer, more connected world through Juganu’s light platform. Its flagship product, J.Protect, uses advanced AI-driven light technology to transform public spaces into safe environments. Backed by leading investors including Comcast Ventures, Amdocs, Viola Growth, and others, Juganu holds 43 patents and makes its own unique LED using Planar technology, the best and richest light source other than natural light. Juganu is headquartered in Israel, and has rapidly-growing offices in the US, Mexico and Brazil. To learn more, visit:


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