Joong-Mok Park

Title: Innovator Joong-Mok Park: Advancing Organic Solar Cells and OLEDs

Introduction: Joong-Mok Park is a prominent inventor based in Ames, Iowa, known for his significant contributions to the field of organic solar cells and organic light-emitting diodes (OLEDs). With a total of two patents to his name, Park's innovative approach has the potential to enhance energy efficiency in various applications.

Latest Patents: Joong-Mok Park's latest inventions include two remarkable patents. The first patent focuses on "Textured Micrometer Scale Templates as Light Managing Fabrication Platform for Organic Solar Cells." This invention revolves around a three-dimensional, microscale-textured, grating-shaped geometry for organic solar cells. By fabricating solar cells on gratings, the three-dimensional texture effectively enhances light absorption. The microscale texturing significantly improves the overall power conversion efficiency of the devices by ensuring homogeneous coverage of the grating with a uniform thickness of the active layer. Additionally, the design suppresses the reflection of incident light, allowing for efficient coupling into modes that are guided in the active layer.

The second patent is titled "Soft Lithography Microlens Fabrication and Array for Enhanced Light Extraction from Organic Light Emitting Diodes (OLEDs)." This invention features microlens arrays designed for use on OLED substrates to enhance light extraction from trapped waveguided modes within the devices. The microlens arrays provide improved efficiency not just in the light-emitting area, but throughout the entire microlens patterned region. By employing large microlens arrays, Park's method achieves over 100% enhancement in light extraction, making it suitable for various OLEDs, including those fabricating directly onto modified microlens arrays.

Career Highlights: Joong-Mok Park currently works at the Iowa State University Research Foundation, Inc., where he continues to push the boundaries of innovation in photonics and energy solutions. His devoted research efforts have made a significant impact on the development of next-generation solar and lighting technologies.

Collaborations: Throughout his career, Park has collaborated with esteemed colleagues including Wai Y Leung and Kai-Ming Ho. These collaborations have enriched his research and led to the advancement of new technologies in the industry.

Conclusion: Joong-Mok Park's inventions reflect his commitment to advancing renewable energy solutions and improving device efficiencies. His patents contribute valuable innovations in organic solar cells and OLEDs, indicating promising potential for future advancements in the field. Through his work, Park exemplifies the spirit of innovation, driving the development of technologies that can significantly benefit society.