Electronics background. Young energetic male tech or engineer repairs electronic equipment in research facility. He’s working on nano active faber.
Yann Tissot on the roof of the building of L.E.S.S. SA (LESS SA) with his arm crossed.
Close up of machinery working
Picture of the PRISMA desk lamp next to the CHROMA desk lamp designed for lighting inspection. CHROMA by L.E.S.S. is written on the top.
VisiAid EN
Discovery Kit EN
Welcom Two BMWs
Congrats to BMW Motorsport for
their return to the competition with our lighting technology
Automotive Lighting
YouTube Prisma Red Dot
Vimeo - Experience the Next Generation
About us

"it all started with the ambitious idea to
outperform LEDs technology by photonics

Our product line
Workplace & Microscopy Lighting
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L.E.S.S. (“Light Efficient Systems”) offers versatile lighting solutions that are focused on the customer needs to develop safe, bright and innovative products. The unique nano-active fiber technology developed by L.E.S.S. has proven itself as a disrupting alternative to the LED technology setting a new standard of lighting quality. It generates high quality light that exhibits both ultra-uniformity and brightness characteristics, surpassing today’s quality standards. The thinness, the flexibility, and the three-dimensional lighting nature of L.E.S.S. laser wire technology allows for the creation of unprecedented low weight and power efficient lighting solutions.

Big close-up of a ringlight L.E.S.S. SA.



We are constantly looking for brilliant individuals who can contribute to the growth and success of L.E.S.S.

At L.E.S.S. we provide a fast growing and dynamic environment. We aim to foster collaboration and empower people to be their best. We are a team of passionate, creative, and innovative people working towards shaping the future of contour lighting.

Check our open positions and join one of the most disruptive company in the lighting industry.


Interview with the Head of Industrialization of L.E.S.S. SA

Interview with the Head of Industrialization of L.E.S.S. SA

The main goal is to make the smoothest transition between engineering and manufacturing in order to comply with our customer’s needs. This means to implement a process that integrate the state-of-the-art technology in order to deliver a product with the highest Quality level. Obviously, this process must be aligned with the right level of capacity and cost that would benefit our customers.

Auto Certifications – ISO & IATF

Auto Certifications – ISO & IATF

Our Journey to Excellence in the Automotive Industry Over the past 3 Years. The attainment of ISO9001 and IATF16949 certifications witness our unwavering dedication to precision and excellence in every facet of our operations,…


Avenue de Longemalle 13
1020 Renens