Mary V Hoffman

Title: Innovator Spotlight: Mary V Hoffman

Introduction

Mary V Hoffman, an accomplished inventor based in South Euclid, Ohio, has made significant contributions to the field of lighting technology. With a total of six patents to her name, Hoffman's innovations have focused on enhancing fluorescent lamp performance, demonstrating her commitment to improving energy efficiency and color rendering.

Latest Patents

Among Hoffman's latest patents is the "Low Pressure Mercury Discharge Fluorescent Lamp Utilizing Multilayer" which introduces a unique phosphor blend deposited on a calcium haloapatite phosphor base layer. This invention aims to achieve efficient white color lamp illumination with improved color rendition. The phosphor layer comprises a mixture of divalent europium barium and strontium magnesium aluminate, coactivated by divalent manganese ion for enhanced green color emission. Additionally, the rare earth oxide phosphor used in the design ensures a desirable color point, contributing to the overall effectiveness of the lamp.

Another notable invention is the "Fluorescent Lamp Using Multi-Layer Phosphor Coating," which features a dual layer phosphor coating. The base layer employs a modified calcium halophosphate phosphor to provide efficient lumen output while reducing coating weight. The top phosphor layer consists of a blend of narrow bandwidth emitting phosphors designed to significantly improve the color rendering capabilities of these lamps.

Career Highlights

Hoffman has dedicated her career to pushing the boundaries of lighting technology while working at General Electric Company. Her innovative spirit and expertise have allowed her to play a pivotal role in the development of advanced fluorescent lighting solutions, making her a respected figure in the industry.

Collaborations

Throughout her career, Mary V Hoffman has collaborated with talented individuals such as John Paynter and George R Gillooly. These partnerships highlight her ability to work effectively within teams to drive innovation forward, leveraging diverse skills and perspectives to tackle complex technical challenges.

Conclusion

Mary V Hoffman stands out as a leading inventor in the field of lighting technology. With her six patents, she continues to influence the development of more efficient and effective solutions in fluorescent lighting. Her dedication to improving color rendition and energy efficiency illustrates her significant role within General Electric Company and the broader innovation community.