Location History:
- Covina, CA (US) (2007)
- Fontana, CA (US) (2005 - 2011)
- San Ramon, CA (US) (2014 - 2018)
Company Filing History:
8 out of 580 
5 out of 3,597 
5 out of 38,023 
Years Active: 2005-2018
Title: The Innovative Contributions of Hai Yan in Imaging Technology
Introduction
Hai Yan, a prolific inventor based in Fontana, California, has made significant contributions to the field of imaging technology. With an impressive portfolio of 20 patents, his work primarily focuses on image sensors, showcasing advanced techniques to enhance the quality and efficiency of image processing.
Latest Patents
Among Hai Yan's latest innovations are two groundbreaking patents related to image sensor technology. The first patent details "Image sensors having dark pixels," which involves an imaging sensor that includes an array of imaging pixels along with at least two rows of dark pixels. This design enables the imaging pixels to generate charge in response to light, while the dark pixels, shielded from light, assist in noise correction by averaging the charge levels. The architecture includes column lines connected to readout circuits and current sources, further optimizing the sensor's performance.
The second patent, "Image pixels with in-column comparators," expands upon efficiency in imaging sensors by integrating comparators within the imaging pixels. These pixels feature a photodiode, a floating diffusion region, and a transfer transistor that work together to manage charge transfer. By incorporating an additional transistor between the row select transistor and the current source, the design reduces power consumption while maintaining high signal integrity.
Career Highlights
Throughout his career, Hai Yan has held key positions in prominent companies such as Aptina Imaging Corporation and Semiconductor Components Industries, LLC. His expertise in imaging technology has driven innovation and development in these organizations, paving the way for new advancements in the field.
Collaborations
In his journey, Hai Yan has collaborated with esteemed professionals in the industry, including Ashirwad Bahukhandi and Roland Burghardt. These partnerships have leveraged collective expertise, leading to the successful development of cutting-edge technologies in image sensing.
Conclusion
Hai Yan stands out as a significant contributor to advancements in imaging technology through his inventive spirit and collaborative efforts. His 20 patents serve as a testament to his dedication and influence in the field, promising continued innovation and improvement in how we capture and process images. With ongoing developments, Hai Yan's work will undoubtedly shape the future of image sensor technology.