Jan Willem Dorleijn

Title: **Jan Willem Dorleijn: A Luminary in Lighting Innovation**

Introduction

Jan Willem Dorleijn, a prominent inventor based in Eindhoven, Netherlands, has made significant contributions to the field of lighting technology through his innovative patents. With a total of six patents, his work has influenced the capabilities and efficiency of discharge lamps, paving the way for improved lighting solutions.

Latest Patents

Dorleijn's latest patents include groundbreaking inventions such as a low-pressure mercury discharge lamp equipped with a luminescent layer. This innovative lamp design features a discharge vessel that securely encloses a gas-tight discharge space, containing mercury as part of its filling. Notably, the lamp generates light with a spectrum comprised of various wavelength regions, ensuring optimal brightness and efficiency during operation. The design also specifies that radiation in the wavelength interval from 590 to 600 nm should account for at least 50% of the total power in its respective wavelength region.

Another significant development is his method of operating a high-pressure discharge lamp. This invention includes a device engineered to maintain stable operation by utilizing a periodically alternating power source. By adhering to specified power frequency relations, Dorleijn's method ensures that arc instabilities due to standing pressure waves are minimized, leading to more reliable lamp performance.

Career Highlights

Throughout his career, Jan Willem Dorleijn has worked with esteemed organizations, notably U.S. Philips Corporation, where he honed his expertise in lighting technologies. His work in this leading company has contributed to advancing the efficiency and functionality of various light sources, aligning with industry standards and consumer demands.

Collaborations

Collaboration has played a crucial role in Dorleijn's work. He has had the opportunity to work alongside talented individuals such as Willem Frederik Druyvesteyn and Rudolf L van der Heijden. These partnerships have helped foster innovative ideas and practical solutions within the realm of lighting technology.

Conclusion

Jan Willem Dorleijn stands out as a noteworthy inventor in the lighting industry, contributing invaluable patents that enhance lamp design and operation. His work continues to influence the future of lighting technology, ensuring that advancements align with both efficiency and performance standards. As his innovations inspire new developments, Dorleijn's legacy in the field remains bright.