Chia-Hao Chang

Title: Chia-Hao Chang: Innovator in Light-Emitting Diode Technology

Introduction

Chia-Hao Chang is a prominent inventor based in Wuhu, China. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting diodes (LEDs). With a total of 2 patents to his name, Chang's work has advanced the efficiency and functionality of LED devices.

Latest Patents

Chang's latest patents include innovative designs and manufacturing methods for light-emitting diodes. One of his patents describes a light-emitting diode that features a first type semiconductor layer, a stress relief layer, and an active layer composed of alternating well and barrier layers. This design enhances the performance of the LED by utilizing materials that contain indium and aluminum. Another patent focuses on a manufacturing method that improves luminous efficiency by etching channels between light-emitting units and incorporating high reflection layers. This method allows for the creation of grooves and protrusions that optimize light emission.

Career Highlights

Chia-Hao Chang is currently employed at Anhui Sanan Optoelectronics Co., Ltd., where he continues to innovate in the field of optoelectronics. His work has been instrumental in pushing the boundaries of LED technology, making it more efficient and effective for various applications.

Collaborations

Chang has collaborated with notable colleagues in his field, including Dongsheng Bi and Kai Xu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Chia-Hao Chang's contributions to light-emitting diode technology exemplify his commitment to innovation in the semiconductor industry. His patents reflect a deep understanding of materials and manufacturing processes that enhance LED performance. Chang's work continues to influence the future of optoelectronics, paving the way for more efficient lighting solutions.