Dong-hoon Chang

Title: The Innovations of Dong-hoon Chang: A Pioneer in Optical Components

Introduction: Dong-hoon Chang, based in Anyang, South Korea, is an accomplished inventor recognized for his significant contributions to the field of optical components. With a total of three patents to his name, he consistently demonstrates a dedication to advancing technology within his industry.

Latest Patents: Chang's latest patents include a substrate for mounting optical components and a method of manufacturing the same. This innovation allows for the passive alignment of a cylindrical lens in an exact position. The substrate features a groove with a slanted sidewall and a stopper that is formed using a photolithographic process. This stopper ensures contact with the optical component, defining its precise position.

Another remarkable invention by Chang is a photodetector device and its method of manufacturing. This device boasts a doped semiconductor substrate and multiple layers of semiconductor materials, including intrinsic and doped layers. The design enables the photodetector to achieve low driving voltage and high sensitivity to high-frequency optical signals, enhancing its performance without compromising the photo-receiving area size.

Career Highlights: As part of his career, Dong-hoon Chang has made significant strides at Samsung Electronics Co., Ltd., contributing to research and development of cutting-edge technologies. His work has not only advanced the understanding of optical components but has also paved the way for future innovations in photodetection.

Collaborations: Throughout his professional journey, Chang has collaborated with talented coworkers, including Woong-lin Hwang and Jun-young Kim. These partnerships have fostered an environment of creativity and innovation, enabling the successful realization of complex projects and patents.

Conclusion: Dong-hoon Chang’s inventive spirit and dedication to technology make him a leading figure in the realm of optical components. His patents reflect not only his technical expertise but also his commitment to pushing the boundaries of what is possible in the field. As technology continues to evolve, Chang’s contributions will undoubtedly play a pivotal role in shaping the future of photodetectors and optical innovations.