René Viennet

Title: The Innovative Contributions of René Viennet

Introduction

René Viennet is a notable inventor based in Neuchâtel, Switzerland. He has made significant contributions to the field of photovoltaic technology, particularly with his innovative designs that enhance both functionality and aesthetic appeal.

Latest Patents

René Viennet holds a patent for a "Photovoltaic cell having a colored appearance, particularly for a watch dial." This invention describes a colored photovoltaic cell that utilizes a semiconductor, preferably silicon, to achieve high efficiency while maintaining a visually pleasing appearance. The design allows the cell to be effectively used as a dial for watches or other electronic devices powered by the cell. The cell features a reflective metal substrate serving as the bottom electrode, a stack of hydrogenated amorphous silicon layers forming p-i-n junctions, and a transparent top electrode. The top electrode may be coated with a layer of slightly diffusing lacquer, which can be either colorless or colored. The thicknesses of the top electrode and silicon layers are carefully combined based on the refractive indices of the materials to produce an interferential reflection in a predetermined reflection spectrum.

Career Highlights

René Viennet is associated with Asulab S.A., where he continues to develop innovative technologies. His work has garnered attention for its unique approach to integrating aesthetics with functionality in photovoltaic applications.

Collaborations

René has collaborated with notable colleagues such as Yvan Ziegler and Diego Fischer, contributing to a dynamic and innovative work environment.

Conclusion

René Viennet's contributions to the field of photovoltaic technology exemplify the intersection of innovation and design. His patented work not only enhances the efficiency of solar cells but also adds a unique visual element, showcasing the potential for creativity in scientific advancements.