Chia-Yuan Chang

Title: Innovations by Chia-Yuan Chang in LED Technology

Introduction

Chia-Yuan Chang, an innovative inventor based in Hsin-Chu, Taiwan, has made significant contributions to the field of light-emitting diode (LED) technology. With two notable patents, he has showcased his ability to enhance the efficacy and functionality of LED lighting solutions. His work primarily focuses on developing circuits that regulate LED operations with improved efficiency.

Latest Patents

Chia-Yuan's latest patents include the "Current Regulating Circuit of Light Emitting Diode (LED) String" and the "Power Conversion Circuit for Light Emitting Diode."

The first patent describes an exemplary current regulating circuit that integrates a capacitor, an inductor, a diode, a switch, and a detection circuit. This innovative design allows for efficient power management by connecting the capacitor's terminals to low and preset voltages. The detection circuit plays a critical role in monitoring low voltage conditions, hence controlling the ON-OFF states of the switch as required. Additionally, he has designed a LED illumination device utilizing this current regulating circuit.

The second patent outlines a power conversion circuit specifically for LEDs that includes a voltage converter with two receiving and output terminals. This circuitry efficiently drives an LED string by outputting corresponding direct current signals based on the supplied direct current from a power source. The arrangement ensures that one output terminal maintains a positive potential while another maintains a negative potential, streamlining the operation of LED lighting systems.

Career Highlights

Chia-Yuan Chang is currently associated with AU Optronics Corporation, a leading global manufacturer of display panels and solutions. His role at the company allows him to apply his inventive talents to advancing LED technologies, making significant impacts on the industry.

Collaborations

Throughout his career, Chia-Yuan has collaborated with talented individuals such as Wen-Ti Chang and Huang-Ti Lin. These partnerships have likely contributed to the success of his patents and helped foster an innovative environment at AU Optronics Corporation.

Conclusion

Chia-Yuan Chang's patents reflect his dedication to enhancing LED technology through innovative circuit design. His work not only improves the functionality and efficiency of LED systems but also demonstrates the valuable contributions of inventors to the technological landscape. As the demand for advanced lighting solutions continues to grow, Chang’s innovations will undoubtedly play a pivotal role in shaping the future of LED applications.