Bo-hwan Choi

Title: Bo-hwan Choi: Innovator in LED Lighting Technology

Introduction

Bo-hwan Choi is a notable inventor based in Anyang-si, South Korea. He has made significant contributions to the field of LED lighting technology, particularly with his innovative designs that enhance energy efficiency and performance.

Latest Patents

One of Bo-hwan Choi's key patents is a Parallel-type LED lighting device. This invention provides an AC-direct-type LED-lighting device that includes a compensation circuit for AC input compensation. The device features a compensation inductor and a first compensation capacitor that are parallelly connected to one terminal of the AC input, along with a second compensation capacitor connected in series. The rectifying unit in the device rectifies the output from the second compensation capacitor terminals to obtain direct current. The LED array is driven by the output of the rectifying unit. The design ensures that the capacities of the first and second compensation capacitors, along with the compensation inductor and LED array output voltage, are optimized to achieve a cosine value of 0.9 or larger with respect to the AC input voltage.

Career Highlights

Bo-hwan Choi has worked with prestigious organizations such as the Korea Advanced Institute of Science and Technology and Optomind Inc. His experience in these institutions has allowed him to develop and refine his innovative ideas in LED technology.

Collaborations

Throughout his career, Bo-hwan Choi has collaborated with talented individuals, including Chun-taek Rim and Eun-soo Lee. These collaborations have contributed to the advancement of his projects and innovations.

Conclusion

Bo-hwan Choi is a prominent figure in the field of LED lighting technology, with a focus on creating efficient and effective lighting solutions. His contributions through patents and collaborations highlight his commitment to innovation in this vital area.