Pisist Kumnorkaew

Title: **Innovative Contributions of Inventor Pisist Kumnorkaew in Semiconductor Technology**

Introduction

Pisist Kumnorkaew, an accomplished inventor located in Bethlehem, PA, has made significant strides in the field of semiconductor technology. With a focus on enhancing light extraction efficiency in light-emitting devices, Kumnorkaew has been awarded two patents, showcasing his expertise and innovative spirit.

Latest Patents

Kumnorkaew's latest patents highlight cutting-edge developments in semiconductor light-emitting devices. The first patent, titled "Semiconductor light-emitting devices having concave microstructures providing improved light extraction efficiency and method for producing same," describes a modification to traditional semiconductor LEDs by incorporating a microlens layer over the light-emitting surface. This innovative design includes concave microstructures that enhance the diffusion of light rays and significantly improve light extraction efficiency. The microlens layer is created using a curable material through soft-lithography imprinting, resulting in a remarkably uniform surface.

The second patent, "Broadband light emitting diodes and method for producing same," focuses on a III-Nitride semiconductor LED that offers broadband light emission across the visible spectrum. This invention features a polarization field management template with a meticulously patterned three-dimensional surface, allowing for controlled variations in the quantum well layer. Such topographical changes lead to energy transition shifts, culminating in 'white' light emission that spans a broad wavelength spectrum.

Career Highlights

As an inventor affiliated with Lehigh University, Kumnorkaew has utilized his position to push the boundaries of semiconductor research and development. His work is marked by a commitment to advancing technologies that contribute to improved lighting solutions and overall energy efficiency. The dual patents he holds underscore his capability and dedication to innovation in this vital field.

Collaborations

Throughout his career, Kumnorkaew has collaborated with notable professionals such as Nelson Tansu and James F. Gilchrist. These partnerships reflect a team-oriented approach to innovation, combining diverse expertise to achieve remarkable advances in semiconductor technologies. Working alongside esteemed colleagues has undoubtedly enriched Kumnorkaew's research endeavors and fostered an environment where groundbreaking ideas can thrive.

Conclusion

Pisist Kumnorkaew stands out as a pivotal figure in the realm of semiconductor technology, evidenced by his two innovative patents. His work not only enhances light-emitting devices but also exemplifies the importance of collaboration in achieving technological advancements. As Kumnorkaew continues to innovate, the impact of his contributions on the fields of engineering and energy efficiency will likely be profound.