Location History:
- Hua-Lien, TW (2001 - 2003)
- Hsin-Chu, TW (2003)
Company Filing History:
Years Active: 2001-2003
Title: Innovations of Chi-Hsiang Lee
Introduction
Chi-Hsiang Lee is a prominent inventor based in Hua-Lien, Taiwan. He has made significant contributions to the field of image sensor technology, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of image sensors, which are crucial components in various electronic devices.
Latest Patents
One of his latest patents is a method of reducing dark current for an image sensor device via the use of a polysilicon pad. This innovative process minimizes dark current generation in image sensor cells fabricated on semiconductor substrates. The method involves a polysilicon pad structure that is formed simultaneously with a polysilicon gate structure of a reset transistor. This structure is designed to contact a portion of the photodiode element, thereby reducing dark current generation through careful processing techniques.
Another notable patent is for a pinned photodiode structure in a 3T active pixel sensor. This invention features an active pixel sensor cell that includes a pinned photodiode structure and a readout region. The process for forming this sensor cell allows for a higher signal-to-noise ratio and lower dark current generation compared to traditional methods. The innovative design eliminates the need for a transfer transistor, enhancing the overall performance of the active pixel sensor.
Career Highlights
Chi-Hsiang Lee is currently employed at Taiwan Semiconductor Manufacturing Company Limited, where he continues to develop cutting-edge technologies in semiconductor manufacturing. His expertise in image sensor design has positioned him as a key player in the industry.
Collaborations
Throughout his career, Chi-Hsiang Lee has collaborated with notable colleagues, including Wei-Kun Yeh and Hua-Yu Yang. These partnerships have contributed to the advancement of technology in the field of image sensors.
Conclusion
Chi-Hsiang Lee's innovative work in image sensor technology has led to significant advancements in the industry. His patents reflect a commitment to improving the performance of electronic devices, making him a valuable contributor to the field.