Tiejun Yu

Title: Tiejun Yu: Innovator in Electronic Device Antennas

Introduction

Tiejun Yu is a prominent inventor based in Fremont, CA, known for his contributions to the field of electronic device antennas. With a total of 5 patents to his name, Yu has made significant advancements in the design and functionality of antennas used in electronic devices.

Latest Patents

One of Yu's latest patents focuses on electronic device antennas with narrow border displays. This innovation involves an electronic device equipped with sidewalls and a conductive plate, where a segment of the sidewalls forms a radiating arm of an antenna. The display is mounted to the sidewalls and includes a conductive frame and a flexible printed circuit. The design incorporates conductive foam to short a conductive trace on the flexible circuit to the conductive frame near a bend, enhancing the antenna's performance. Additionally, low injection pressure overmolding (LIPO) is utilized to mold over the flexible circuit, foam, and frame, while a conductive spring connects the frame to the conductive plate, optimizing the antenna ground.

Another notable patent by Yu involves electronic devices with distributed slot antenna structures. This design features peripheral conductive housing structures, a display frame, a support plate, a logic board, and an antenna. The antenna includes a resonating element with multiple slots that collectively receive radio-frequency signals, such as those in the L5 GPS band. The integration of switching circuitry and filter circuitry helps isolate the antennas from each other, improving overall device performance.

Career Highlights

Throughout his career, Tiejun Yu has worked with leading technology companies, including Apple Inc. and Cadence Design Systems, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in electronic device technology.

Collaborations

Yu has collaborated with notable professionals in the field, including Erdinc Irci and Hongfei Hu. These partnerships have fostered a creative environment that has led to the development of advanced antenna technologies.

Conclusion

Tiejun Yu's work in electronic device antennas showcases his innovative spirit and dedication to enhancing technology. His patents reflect a deep understanding of electronic design and functionality, making him a significant figure in the field of inventions.