Cha Dong Kim

Title: **Innovative Contributions of Cha Dong Kim in Touch Panel Technology**

Introduction

Cha Dong Kim, an accomplished inventor based in Gwacheon-si, South Korea, has made significant strides in the realm of touch panel technology. With a total of four patents to his name, his innovations reflect a blend of creativity and technical expertise, particularly in the design and functionality of touch sensor controllers.

Latest Patents

Among his notable patents, two stand out for their advanced contributions to touch panel functionality. The first patent describes a **Touch Panel Controller for Sensing Change in Capacitance**. This invention details a system where a signal driver charges multiple sensor lines with a uniform charge by applying a driving signal to one sensor line and a mirrored signal to the others. This configuration allows the sensor to effectively detect changes in capacitance, enhancing the touch response of devices.

The second patent, titled **Touch Sensor Controller**, introduces a refined approach to managing voltages within touch panel sensors. This controller incorporates a transmitter that generates a driving signal, coupled with a charge amplifier that processes the voltage signals created by the charge in the sensor lines. The innovative design includes a sampling circuit that detects voltage signals and a logic circuit that ensures optimal transmitter functioning, adapting based on noise signals detected within the system.

Career Highlights

Cha Dong Kim is currently employed at Samsung Electronics Co., Ltd., a leader in technological innovation. His work contributes to the advancement of touch panel technology, which plays a crucial role in modern electronic devices. His patents signify his expertise and commitment to enhancing user interface experiences.

Collaborations

In his innovative journey, Cha collaborates with talented colleagues such as Jun Chul Park and Jin Chul Lee. Working together, they drive forward the research and development of cutting-edge technologies in touch sensors, contributing to Samsung's reputation for excellence in electronics.

Conclusion

Cha Dong Kim's contributions to touch panel technology exemplify the spirit of innovation that drives the electronics industry forward. With his patents and collaborative efforts, he continues to shape the future of user interface technology, ensuring that devices become more intuitive and responsive to user inputs.