This inventor holds 1 USPTO granted patent and 10 published patent applications. Top assignee: Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Chieh-En Chen: Innovator in Image Sensor Technology
Introduction
Chieh-En Chen is an inventor based in Tainan City, Taiwan. He is known for his innovative contributions to image sensor technology. Although he currently holds no granted patents, his work in developing advanced imaging solutions showcases his expertise in the field.
Latest Patent Applications
Chieh-En Chen has submitted several notable patent applications. One of his latest applications is titled "TWO LAYER PIXEL STRUCTURE FOR HIGH RESOLUTION WITH HIGH DYNAMIC RANGE." This application describes an image sensor that achieves high pixel density and resolution by offloading parts of a photodetector circuit to a separate device layer from the photodiodes. The design utilizes a lateral overflow integration capacitor and a dual conversion gain transistor to enhance dynamic range. Furthermore, the dynamic range is improved by isolating the floating diffusion node from the second device layer and the wiring that extends to it. This isolation reduces capacitance in high conversion gain mode, thereby increasing dynamic range.
Another significant application is "THROUGH SUBSTRATE VIA LANDING ON FRONT END OF LINE STRUCTURE." This application addresses the challenge of connecting a through-silicon via (TSV) to a back-end-of-line (BEOL) metal interconnect structure without causing damage. The solution involves landing the TSV on a metal coupling structure created during front-end-of-line (FEOL) processing. The metal coupling structure is designed according to FEOL processing rules and includes substructures resembling wires in a transistor-level metal interconnect. These substructures are connected to the BEOL metal interconnect through vias.
Conclusion
Chieh-En Chen's innovative patent applications reflect his commitment to advancing image sensor technology. His work demonstrates the potential for significant improvements in high-resolution imaging and dynamic range. As he continues to develop new ideas, his contributions may lead to groundbreaking advancements in the field.