Hee Chang Hwang

Title: Hee Chang Hwang: Innovator in Semiconductor Technology

Introduction

Hee Chang Hwang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in fingerprint sensing devices. With a total of 4 patents to his name, Hwang's work has advanced the capabilities of fingerprint recognition systems.

Latest Patents

Hwang's latest patents include a semiconductor device for fingerprint sensing. This innovative device comprises a fingerprint sensor that generates first-direction and second-direction sensing data by capturing a fingerprint image in two perpendicular directions. Additionally, it features a differential sensing circuit that produces first-direction and second-direction first differential data through a differential operation on the sensing data. The fingerprint processing circuit then generates fingerprint data by combining these differential data sets.

Another notable patent is an analog front-end circuit designed for use with fingerprint sensors. This sensing read-out circuit includes an amplifier circuit that converts charge outputs from sensing lines into voltages. It also incorporates an analog-to-digital converter that transforms the amplified voltage into a digital signal, along with mixers and filters that enhance the signal quality for accurate fingerprint recognition.

Career Highlights

Hee Chang Hwang has worked with leading technology companies, including Samsung Electronics Co., Ltd. and LG Electronics Inc. His experience in these organizations has allowed him to develop cutting-edge technologies that have a significant impact on the industry.

Collaborations

Hwang has collaborated with notable colleagues, including Dae Young Chung and Jae Jin Park. These partnerships have fostered innovation and contributed to the successful development of advanced semiconductor technologies.

Conclusion

Hee Chang Hwang's contributions to semiconductor technology, particularly in fingerprint sensing, highlight his role as a key innovator in the field. His patents and collaborations reflect a commitment to advancing technology and improving security systems.