This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Xiamen Sanan Optoelectronics Technology Co., Ltd.. Active years: 2025.
Company Filing History:
Years Active: 2025
Title: Poyang Chang: Innovator in Light-Emitting Diode Technology
Introduction
Poyang Chang is a notable inventor based in Xiamen, China. He has made significant contributions to the field of optoelectronics, particularly in the development of light-emitting diode (LED) technology. His innovative work has led to the filing of a patent that showcases his expertise and creativity in this area.
Latest Patents
Poyang Chang holds a patent for a "Light-emitting diode chip and ultraviolet light-emitting device including the same." This invention features a light-emitting diode (LED) chip that comprises a substrate and an epitaxial structure. The epitaxial structure consists of a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially arranged on the substrate. Notably, the second semiconductor layer has a light-emitting surface opposite the active layer, which is designed with a microstructure. This microstructure includes multiple first protrusions and second protrusions, enhancing the efficiency and functionality of the LED chip.
Career Highlights
Poyang Chang is currently associated with Xiamen Sanan Optoelectronics Technology Co., Ltd. His role in the company allows him to further explore and develop cutting-edge technologies in the field of optoelectronics. His dedication to innovation has positioned him as a key player in the industry.
Collaborations
Poyang Chang collaborates with talented individuals such as Linrong Cai and Shao-hua Huang. These partnerships foster a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Poyang Chang's contributions to light-emitting diode technology exemplify his innovative spirit and commitment to advancing optoelectronics. His patent and work at Xiamen Sanan Optoelectronics Technology Co., Ltd. highlight his role as a significant inventor in this field.