Location History:
- Hertfordshire, GB (1991)
- Hemel Hempstead, GB (1992 - 1993)
Company Filing History:
Years Active: 1991-1993
Title: Innovations of John G. Holden
Introduction
John G. Holden is a notable inventor based in Hemel Hempstead, GB. He has made significant contributions to the field of illumination technology, holding a total of four patents. His work focuses on enhancing color quality and brightness in display systems.
Latest Patents
One of his latest patents is a color sequential illumination system. This system is designed for applications such as backlighting for liquid crystal displays (LCDs). It utilizes lamps that emit blue, red, and green light, with the red and green light provided by lamps containing fluorescent dyes. These dyes have optical decay times similar to the phosphor material used for blue light, allowing for full synchronization with electrical signals. This innovation enhances the color range and quality of the display. Additionally, if the fluorescent dyes are incorporated into plastic materials, it can lead to improved brightness for the LCD with a given power input.
Career Highlights
John G. Holden has worked at Thorn EMI Plc, where he has been instrumental in developing advanced lighting solutions. His expertise in illumination technology has positioned him as a key figure in the industry.
Collaborations
He has collaborated with notable coworkers such as Ian A. Shanks and Len Giddens, contributing to various projects that push the boundaries of lighting technology.
Conclusion
John G. Holden's innovative work in color sequential illumination systems showcases his commitment to advancing display technology. His patents reflect a deep understanding of the interplay between light and materials, making significant strides in enhancing visual experiences.