Weihuan Li

Title: Innovations of Weihuan Li in Light Emitting Devices

Introduction

Weihuan Li is a notable inventor based in Tianjin, China, recognized for his contributions to the field of optoelectronics. He holds three patents, showcasing his expertise in developing advanced light emitting devices. His work has significantly impacted the technology used in various applications.

Latest Patents

One of Weihuan Li's latest patents is titled "Light emitting device and production method and use thereof." This invention describes a light emitting device that includes an epitaxial structure and first and second electrodes positioned on one side of the epitaxial structure. The epitaxial structure consists of a first-type semiconductor layer, an active layer, and a second-type semiconductor layer, with the active layer situated between the two semiconductor layers. The first electrode connects electrically with the first-type semiconductor layer, while the second electrode connects with the second-type semiconductor layer and is in ohmic contact with a second-type window sublayer of the second-type semiconductor layer.

Another patent under his name outlines a method for producing a light emitting device. This method involves providing a substrate and forming an epitaxial structure on it, followed by placing first and second electrodes on the side of the epitaxial structure that faces away from the substrate. The substrate is then removed. The epitaxial structure includes a first-type semiconductor layer, an active layer, a second-type semiconductor layer, and an AlGaAs-based semiconductor layer, which is designed to support the rest of the structure and serve as a light exiting layer.

Career Highlights

Weihuan Li has worked with prominent companies in the optoelectronics sector, including Tianjin Sanan Optoelectronics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in light emitting technology.

Collaborations

Throughout his career, Weihuan Li has collaborated with talented individuals such as Duxiang Wang and Chaoyu Wu. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Weihuan Li's work in the field of light emitting devices exemplifies his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of semiconductor structures and their applications, making him a significant figure in the optoelectronics industry.