Company Filing History:
Years Active: 2014-2025
Title: Xianmin Yi: Innovator in Image Sensor Technology
Introduction
Xianmin Yi is a prominent inventor based in Menlo Park, California, known for his significant contributions to image sensor technology. With a total of 14 patents to his name, Yi has made remarkable advancements in the field, particularly in the design and functionality of image sensors.
Latest Patents
Among his latest patents, one notable invention is an image sensor with charge transfer between pixels. This innovative system allows for charge transfer among pixels in a pixel array, utilizing a single digital readout of the accumulated charge. Each pixel in the group features a photodetector, and pump gates are strategically arranged between adjacent pixels to facilitate serial charge pumping. The readout circuit, which includes a transfer gate and a capacitor, is designed to receive the accumulated charge and generate a photodetector signal that can be amplified and read out to a column amplifier.
Another significant patent involves pixel architecture with multiple pixel binning. This design features a binned set of pixels that share a common readout circuit, providing space-saving benefits on the chip while enhancing overall image quality. Each binned pixel includes its own photodetector and transfer gate, with the readout circuit connected to these gates. The circuit also incorporates a gain mode select block, which includes capacitors of varying sizes and switches to control charge reception from the binned pixels.
Career Highlights
Xianmin Yi has worked with notable companies in the imaging industry, including OmniVision Technologies, Inc. and Fairchild Imaging, Inc. His experience in these organizations has contributed to his expertise and innovative capabilities in image sensor technology.
Collaborations
Throughout his career, Yi has collaborated with talented individuals such as Alexander Lu and Duli Mao. These partnerships have likely fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Xianmin Yi's contributions to image sensor technology through his patents and collaborations highlight his role as a leading innovator in the industry. His work continues to influence advancements in imaging systems, showcasing the importance of innovation in technology.