Company Filing History:
Years Active: 2001
Title: Innovations in Lighting: The Contributions of David Andrew Stone
Introduction
David Andrew Stone is an accomplished inventor based in Sheffield, GB. Known for his pioneering work in the realm of lighting technology, he has made significant contributions to the efficiency of discharge lamps. With one patent to his name, his innovative approach has the potential to transform how light sources are utilized in various applications.
Latest Patents
David Andrew Stone holds a patent titled "Method and apparatus for driving a discharge lamp with pulses that terminate prior to the discharge reaching a steady state." This invention revolves around the application of short pulsed waveforms, specifically 1 µs pulses at a frequency of approximately 5 kHz, to low-pressure mercury/argon discharge lamps. The technology is designed to optimize the ratio of the intensities of two specific mercury lines—254 nm and 365 nm—thereby enhancing the efficiency of lamps that utilize phosphors excited by UV emissions. By shifting the predominance from the lower wavelength to the higher wavelength, the invention significantly reduces Stokes shift, which in turn bolsters the lighting efficiency.
Career Highlights
Currently, David Andrew Stone is affiliated with The University of Sheffield, where he conducts cutting-edge research in lighting technologies. His work not only demonstrates a commitment to innovation but also reflects the university's focus on advancing scientific understanding and practical applications of lighting solutions.
Collaborations
In his role, David collaborates with notable colleagues, including Robin Devonshire and Timothy James Healey. These collaborations further enrich his research environment, yielding innovative solutions and broadening the scope of their joint projects. Together, they contribute to multiple facets of research and development in the field.
Conclusion
David Andrew Stone's contributions to the field of lighting, particularly through his innovative patent, showcase his dedication to enhancing efficiency in lighting technologies. His work at The University of Sheffield, in collaboration with esteemed colleagues, positions him as a leading figure in the evolution of discharge lamps. The implications of his research are far-reaching, paving the way for smarter and more efficient lighting solutions in the future.