Company Filing History:
Years Active: 2002
Title: Bi-Cheng Chang: Innovator in CMOS Image Sensors
Introduction
Bi-Cheng Chang is a renowned inventor based in Hsinchu, Taiwan, recognized for his contributions to the field of CMOS image sensors. With a focus on enhancing imaging technology, he has developed innovative methods that significantly advance the capabilities of color filters in these sensors. His work demonstrates a commitment to innovation in the semiconductor industry.
Latest Patents
Bi-Cheng Chang holds a patent for a novel method titled "Method for Making Long Focal Length Micro-Lens for Color Filters." This invention provides a groundbreaking approach to creating micro-lenses specifically designed for use in CMOS image sensors. The method involves spin-coating a layer of micro-lens material on a color filter, followed by photolithographic patterning into multiple discrete regions. This strategic design not only minimizes the material needed for the micro-lens but also achieves an impressive focal length of at least 7 µm, enabling the formation of advanced CMOS sensors utilizing state-of-the-art technology.
Career Highlights
Chang is currently employed at Taiwan Semiconductor Manufacturing Company Limited, where he applies his expertise in semiconductor technology and optics. His dedicated work has led to significant advancements and improvements in image processing capabilities within the industry.
Collaborations
Throughout his career, Bi-Cheng Chang has collaborated with esteemed colleagues such as Yu-Kung Hsiao and Sheng-Liang Pan. These partnerships underscore the importance of teamwork in the innovation process, allowing for the exchange of ideas and further enhancing the development of cutting-edge technologies.
Conclusion
Bi-Cheng Chang is a pivotal figure in the landscape of imaging technology, with his patented methods promising to make substantial impacts in the field of CMOS image sensors. His innovative thinking, along with professional collaborations, continues to drive advancements that benefit industries reliant on high-performance imaging solutions.