Woon Il Choi

Title: Insights into the Innovations of Woon Il Choi

Introduction

Woon Il Choi, an accomplished inventor based in Sunnyvale, CA, has made significant contributions to the field of imaging technology. With a total of 12 patents to his name, Choi's work has advanced the capabilities of image sensors, particularly in enhancing their performance through innovative pixel designs.

Latest Patents

Choi's most recent patents showcase his expertise in developing high-performance pixel circuits. One notable invention is a high dynamic range CMOS image sensor pixel with reduced metal-insulator-metal lateral overflow integration capacitor lag. This innovative circuit design incorporates a photodiode for photogeneration of image charge, along with a reset transistor that is controlled by a reset signal. The Lateral Overflow Integration Capacitor (LOFIC) is strategically placed to minimize lag, ensuring high-quality image capture.

Additionally, Choi holds a patent for a high K metal-insulator-metal (MIM) capacitor network aimed at lag mitigation. This invention also features a pixel circuit structure comprising a photodiode, a transfer transistor, and a reset transistor. The design enhances pixel efficiency by integrating multiple capacitor-switch pairs to optimize the transfer of image charge, further pushing the boundaries of imaging technologies.

Career Highlights

Woon Il Choi has contributed his innovative prowess at Omnivision Technologies, Inc., where he has played an integral role in developing cutting-edge technology in the field of CMOS image sensors. His dedication and ingenuity in research and development have been pivotal in producing advanced imaging solutions that serve various applications in today's tech-driven world.

Collaborations

Throughout his career, Choi has collaborated with several talented individuals, including Yifei Du and Keiji Mabuchi. These collaborations have undoubtedly fostered an environment of shared knowledge and innovative thinking, leading to the successful development of impactful technologies in imaging systems.

Conclusion

Woon Il Choi stands out as a prominent figure in the realm of imaging technology, evidenced by his numerous patents and contributions to the field. His innovative approach to enhancing CMOS image sensor design demonstrates both creativity and technical expertise, setting a standard for future advancements in imaging technology. As he continues to push the limits of what is possible, Choi remains an inspiring example of how passionate inventors can shape the future through innovation.