Location History:
- San Jose, CA (US) (2012)
- Los Gatos, CA (US) (2011 - 2020)
Company Filing History:
Years Active: 2011-2020
Title: **Innovations of Inventor Wei Zheng in Image Sensor Technology**
Introduction
Wei Zheng is a prominent inventor based in Los Gatos, California, known for his significant contributions to the field of image sensor technology. With a remarkable portfolio of 13 patents, his inventions play a crucial role in enhancing the capabilities of modern imaging systems.
Latest Patents
Among his latest patents, Wei Zheng has developed an **Image Sensor with Dual Trench Isolation Structures at Different Isolation Structure Depths**. This innovation includes a plurality of photodiodes embedded in semiconductor material, which convert light into image charge. A floating diffusion is strategically placed to collect the image charge from the photodiodes. The design incorporates a first trench isolation structure that surrounds the photodiodes and extends from the frontside of the semiconductor, while a second trench isolation structure, located on the backside, separates individual photodiodes.
Another significant patent is the **Partial Buried Channel Transfer Device for Image Sensors**. This invention features an image sensor pixel comprising a photosensitive element, a floating diffusion region, and a transfer device. The photosensitive element accumulates image charge in response to light, while the floating diffusion region receives that charge. The transfer device is designed to selectively transfer charges using both buried channel and surface channel devices, making it highly efficient for imaging applications.
Career Highlights
Wei Zheng currently works at Omnivision Technologies, Inc., a leading company in the field of image sensor technology. His innovative spirit and technical expertise have led to several breakthroughs in the design and functionality of image sensors, contributing to the advancement of camera technology in smartphones and other devices.
Collaborations
Throughout his career, Wei Zheng has collaborated with notable professionals, including Yin Qian and Howard E. Rhodes. These collaborations have been instrumental in driving forward the research and development of cutting-edge imaging solutions, leveraging their collective knowledge and experience.
Conclusion
Wei Zheng's contributions to the field of image sensor technology exemplify the impact of innovation through patenting. With his 13 patents, he continues to shape the future of imaging technology, enhancing the way we capture and interpret visual information.