Po-Yao Yeh

Title: Po-Yao Yeh: Innovator in LED Driving Circuits

Introduction

Po-Yao Yeh is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of LED driving circuits. His innovative approach has led to the creation of a unique circuit that enhances the efficiency and functionality of LED technology.

Latest Patents

Po-Yao Yeh holds a patent for an AC-DC dual-use LED driving circuit. This invention includes an input power circuit, a buck-boost converter, and a Pulse Width Modulation (PWM) signal controller. The buck-boost converter, which consists of a switching transistor and a feedback resistor, receives a current signal output from the input power circuit and drives an LED with a driving signal. The PWM signal controller outputs a PWM signal based on the driving signal, allowing for the sequential turning on and off of the switching transistor. Notably, the circuit can dynamically adjust the duty ratio of the PWM signal without the need for an external photocoupler. This innovation represents a significant advancement in LED technology.

Career Highlights

Po-Yao Yeh is currently employed at Macroblock, Inc., a company known for its expertise in LED driver solutions. His work at Macroblock has allowed him to further develop his skills and contribute to cutting-edge technology in the field.

Collaborations

Throughout his career, Po-Yao Yeh has collaborated with talented individuals such as Yan-Cun Li and Hsing-Fu Liu. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Po-Yao Yeh's contributions to the field of LED technology through his innovative AC-DC dual-use LED driving circuit highlight his role as a significant inventor. His work continues to influence advancements in electronics and LED applications.