This inventor holds 3 USPTO granted patents and 6 published patent applications. Top assignees: Xiamen San'an Optoelectronics Co., Ltd, Xiamen Sanan Optoelectronics Technology Co., Ltd.. Active years: 2018-2025.
Location History:
- Xiamen, CN (2018)
- Wuhu, CN (2021)
Company Filing History:
2 out of 80 
1 out of 142 Years Active: 2018-2025
Title: Changwei Song: Innovator in Multi-Quantum Well Structures and LED Devices
Introduction
Changwei Song is a prominent inventor based in Wuhu, China. He has made significant contributions to the field of optoelectronics, particularly in the development of multi-quantum well structures and LED devices. With a total of 3 patents to his name, his work continues to influence advancements in lighting technology.
Latest Patents
Changwei Song's latest patents include innovative designs for multi-quantum well structures. One of his notable inventions is a multi-quantum well structure that features a stress relief layer, an electron-collecting layer, and an active layer with a first active layer unit. This unit consists of alternately stacked potential barrier and potential well sub-layers. At least one of the potential barrier sub-layers incorporates a GaN/AlInGaN stack, enhancing the efficiency of the LED devices that utilize this structure. Another patent also focuses on a similar multi-quantum well structure, but with a GaN/AlInGaN/GaN stack, showcasing his commitment to improving LED technology.
Career Highlights
Throughout his career, Changwei Song has worked with notable companies in the optoelectronics sector. He has been associated with Xiamen Sanan Optoelectronics Co., Ltd and Xiamen Sanan Optoelectronics Technology Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the development of advanced lighting solutions.
Collaborations
Changwei has collaborated with esteemed colleagues in his field, including Chia-Hung Chang and Han Jiang. These partnerships have contributed to the successful development of his innovative technologies.
Conclusion
Changwei Song's contributions to the field of optoelectronics, particularly through his patents on multi-quantum well structures and LED devices, highlight his role as a key innovator. His work continues to pave the way for advancements in lighting technology.