Yunn-Hwa Wang

Title: Yunn-Hwa Wang: Innovator in Touch Display Technology

Introduction

Yunn-Hwa Wang is a notable inventor based in Guangdong, China. He has made significant contributions to the field of touch display technology, holding three patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing the functionality and efficiency of electronic devices through advanced control circuits.

Latest Patents

Wang's latest patents include a touch display control circuit, control method, and electronic device. This invention provides a touch display control circuit designed to drive STN-LCD screens, TN-LCD screens, and CSTN-LCD screens. The circuit comprises a display driving circuit and a touch detection circuit. The display driving circuit features a signal transmission line, multiple groups of signal selection circuits, and a reference voltage generation circuit. The signal transmission line is responsible for transmitting a gate signal and a common signal. The signal selection circuit selects a preset control voltage based on display control timing or touch control timing, while the reference voltage generation circuit supplies the preset control voltage. The touch detection circuit, connected to the signal selection circuit, performs touch detection based on the touch control timing.

Another significant patent by Wang is for a fingerprint sensing chip and terminal device. This invention includes a fingerprint sensing chip that consists of a first signal, a second signal, and a driving signal. The second signal is generated based on the first signal, and the driving signal is produced by performing a ground raise process on the second signal. The driving signal is utilized to provide a driving voltage for fingerprint sensing, enhancing security and user interaction in electronic devices.

Career Highlights

Yunn-Hwa Wang is currently employed at Focaltech Electronics, Ltd., where he continues to innovate and develop cutting-edge technologies. His work at Focaltech has positioned him as a key player in the electronics industry, particularly in the realm of touch display solutions.

Collaborations

Wang collaborates with talented professionals, including his coworker Kuet Liong Fam, who contributes to the innovative projects at Focaltech Electronics. Their teamwork fosters a creative environment that drives technological advancements.

Conclusion

Yunn-Hwa Wang's contributions to touch display technology and fingerprint sensing demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of electronic systems and a desire to improve user experiences. Wang's work continues to influence the electronics industry, paving