Company Filing History:
Years Active: 2009
Title: Wei-Jean Liu: Innovator in CMOS Image Sensor Technology
Introduction
Wei-Jean Liu is an accomplished inventor based in Yuanlin Town, Taiwan, known for his significant contributions to the field of imaging technology. With a focus on enhancing the performance of image sensors, Liu has made strides that are essential to the advancement of modern imaging systems.
Latest Patents
Wei-Jean Liu holds a patent for an innovative invention titled "Apparatus of High Dynamic-Range CMOS Image Sensor and Method Thereof." This patent encompasses a pioneering apparatus that integrates a pixel circuit designed to output an effective signal. The pixel circuit features a photodiode paired with multiple transistors. A notable enhancement in this invention is the inclusion of a current source, which acts as a charge supplement unit. This unit supplies current to the photodiode, providing additional charges to its parasitic capacitor. This design effectively delays saturation within the pixel circuit, leading to improved performance. Furthermore, the invention outlines a feedback circuit that interacts with the pixel circuit. This feedback mechanism receives the output signal and generates a control signal to regulate the charge supplement unit, thereby significantly increasing the dynamic range of the CMOS image sensor.
Career Highlights
Currently, Wei-Jean Liu is engaged with National Chung Cheng University, where he continues to explore innovations in imaging technology. His research aims to address challenges in dynamic range and sensor efficiencies, making substantial contributions to both academic and practical applications in the field.
Collaborations
Wei-Jean Liu collaborates with esteemed colleagues such as Oscal T-c Chen and Hsiu-Fen Yeh. Together, they contribute to pioneering research and development that push the boundaries of CMOS sensor technology, striving to achieve higher performance benchmarks and broaden applications in various fields.
Conclusion
Wei-Jean Liu's work exemplifies the spirit of innovation in technology. His patent for a high dynamic-range CMOS image sensor stands as a testament to his dedication and expertise. Through his continued research and collaboration with fellow innovators, Liu plays a vital role in shaping the future of imaging technology and enhancing the capabilities of sensors in various applications.