Paul D Keir

Title: Paul D. Keir: Innovator in Phosphor Technology

Introduction

Paul D. Keir is a notable inventor based in Portland, Oregon. He has made significant contributions to the field of phosphor technology, particularly through his innovative patent. His work focuses on the development of phosphor compositions that have various applications in electroluminescent devices.

Latest Patents

Paul D. Keir holds a patent for a phosphor system that includes phosphor compositions of the formula Zn M X:Mn. In this formula, M is selected from the trivalent cations of Al, In, Ga, and mixtures thereof, while X is chosen from the group consisting of S, Se, Te, and mixtures thereof. Additionally, he has disclosed phosphor compositions of the formula MX:Cu,L,A, where M is selected from the divalent ions of Sr, Mg, Ca, Ba, and X is again selected from the group consisting of S, Se, Te, and mixtures thereof. The emission chromaticity of these phosphors can be controlled by varying codopant concentrations, which enhances their versatility in various applications.

Career Highlights

Paul D. Keir is affiliated with Oregon State University, where he continues to engage in research and development in the field of phosphor technology. His work has led to advancements that benefit both academic and industrial applications.

Collaborations

Some of his notable coworkers include Douglas A. Keszler and Dong Li, who have collaborated with him on various projects related to phosphor technology.

Conclusion

Paul D. Keir's contributions to phosphor technology through his innovative patent demonstrate his commitment to advancing the field. His work continues to influence the development of electroluminescent devices and related technologies.