Chen Wen Fan

Title: Innovations by Inventor Chen Wen Fan in Blue-Emitting Phosphors

Introduction

Chen Wen Fan, an esteemed inventor based in Sayre, PA, has made significant contributions to the field of phosphor technology with three notable patents to his name. His innovative work primarily focuses on enhancing the efficiency and functionality of VUV-excited devices, showcasing his expertise in materials science and engineering.

Latest Patents

Among his latest patents, Chen has developed a VUV-excited device with blue-emitting phosphor, which aims to optimize plasma display panels and other vacuum ultraviolet-excited devices. This invention includes a europium-activated calcium-substituted barium hexa-aluminate (CBAL) phosphor, characterized by a specific formula of BaCaEuAlO. The patented phosphor emphasizes improved degradation characteristics, exhibiting reduced color shift and enhanced intensity maintenance in VUV-excited environments.

Another notable patent involves the Ce,Pr-coactivated yttrium phosphate phosphor and lamp containing the same. By incorporating a praseodymium coactivator into YPO:Ce phosphors, Chen's research enhances the sensitivity of the phosphor to radiation at 185 nm. This advancement promises increased total UVA and UVB output in fluorescent lamps and provides emission peaks approximately at 355 nm and 335 nm.

Career Highlights

Chen Wen Fan's career is marked by his impactful research and development efforts at Osram Sylvania Inc., a prominent name in the lighting industry. His dedication to advancing phosphor technologies has not only contributed to his company's innovative capabilities but also helped set new standards in display and lighting applications.

Collaborations

Throughout his career, Chen has closely collaborated with talented colleagues, including Gregory A Marking and Thomas M Snyder. These partnerships have fostered a dynamic environment of innovation, leading to the successful development of pioneering technologies in the field of phosphor research.

Conclusion

In conclusion, Chen Wen Fan's work as an inventor in Sayre, PA, showcases his commitment to advancing phosphor technology through innovative patents. His contributions to the field, particularly in developing blue-emitting phosphors for VUV-excited devices, exemplify the impact inventors can have in shaping modern lighting solutions. As technology continues to evolve, Chen's work remains a testament to the power of innovation in driving progress.