Yu Hai Mao

Title: Innovations by Yu Hai Mao in LED Technology

Introduction

Yu Hai Mao is an accomplished inventor based in Santa Clara, CA (US). He has made significant contributions to the field of LED technology, particularly in the development of devices and methods for driving LED lights. His innovative approach has led to the creation of a patent that enhances power efficiency in LED systems.

Latest Patents

Yu Hai Mao holds a patent for a "Device and method for driving an LED light." This invention provides a method for adjusting the number of diodes in an LED string based on the rectified AC voltage. The device consists of a power module, an LED string, a current source, and a controller. The LED string features multiple LED diodes connected in series, forming a major segment and several minor segments. The controller selectively shorts the LED diodes of the minor segments, allowing for dynamic adjustment of the LED string in response to the rectified voltage. This innovation results in improved power efficiency by closely matching the overall 'on' voltage of the LED string to the rectified voltage.

Career Highlights

Yu Hai Mao is associated with Beijing Effiled Opto-electronics Technology Co., Ltd., where he continues to work on advancing LED technology. His expertise and innovative mindset have positioned him as a key player in the field.

Collaborations

Yu Hai Mao collaborates with Richard Landry Gray, leveraging their combined knowledge and skills to push the boundaries of LED technology.

Conclusion

Yu Hai Mao's contributions to LED technology through his innovative patent demonstrate his commitment to enhancing power efficiency in lighting systems. His work continues to influence the industry and pave the way for future advancements.