Sean Purdy is a notable inventor based in Cincinnati, OH (US), recognized for his contributions to the field of photonic technologies. He holds a total of 12 patents, showcasing his innovative spirit and technical expertise. His work primarily focuses on advanced materials and security technologies.

Latest Patents

Among his latest patents, Sean Purdy has developed a method for creating Bragg diffracting security markers. This method involves marking an article with a watermark that diffracts radiation according to Bragg's law. The watermark consists of a periodic array of particles fixed in a matrix, which can change colors with viewing angle, disappear and reappear, or diffract non-visible radiation detectable at specific angles. Another significant patent is for a temperature-sensitive composite for photonic crystals. This composite features an inverse opal structure that defines an ordered array of voids filled with a composition that changes properties in response to stimuli, such as temperature changes, thereby altering the band gap of radiation reflected by the crystal.

Career Highlights

Sean Purdy has worked with PPG Industries Ohio, Inc., where he applied his innovative ideas to real-world applications. His experience in the industry has allowed him to refine his skills and contribute to significant advancements in photonic technologies.

Collaborations

Throughout his career, Sean has collaborated with talented individuals such as Xiangling Xu and Noel Rawle Vanier. These partnerships have fostered a creative environment that has led to groundbreaking innovations.

Conclusion

Sean Purdy is a distinguished inventor whose work in photonic technologies has made a significant impact. His patents reflect a commitment to innovation and a deep understanding of advanced materials. His contributions continue to shape the future of security and photonic applications.

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