Donnavon David Shaffer

Title: Donnavon David Shaffer: Innovator in Phosphor Technology

Introduction

Donnavon David Shaffer is a notable inventor based in Lititz, PA (US). He has made significant contributions to the field of phosphor technology, holding 2 patents that showcase his innovative approaches to materials science.

Latest Patents

Shaffer's latest patents include a method for preparing copper-aluminum-gold-activated zinc-sulfide and manganese-and-magnesium-activated strontium sulfide phosphors. The first patent describes a method that involves heating a mixture of zinc sulfide and various activators in a covered container. This process results in a phosphor that is cooled and screened to remove any remaining carbon. The second patent focuses on the photoluminescent and cathodoluminescent properties of strontium sulfide phosphors, highlighting how the incorporation of magnesium can shift the emission color coordinates.

Career Highlights

Donnavon David Shaffer is currently employed at RCA Inc., where he continues to develop and refine his innovative ideas. His work has contributed to advancements in phosphor technology, which has applications in various industries, including lighting and display technologies.

Collaborations

Shaffer has collaborated with notable coworkers such as Arthur Leo Smith and Martin R Royce. Their combined expertise has likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Donnavon David Shaffer's contributions to phosphor technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry and inspire future innovations.