Shinwook Choi

Title: The Innovative Contributions of Shinwook Choi

Introduction

Shinwook Choi is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of electronic apparatus and LED technology. With a total of 6 patents to his name, Choi continues to push the boundaries of innovation in his industry.

Latest Patents

One of his latest patents is an electronic apparatus that includes an operator and a power circuit configured to supply power to the operator. This innovative design features a first voltage converter that outputs a first voltage based on input power, along with a power factor corrector (PFC) that outputs a second voltage by performing power factor correction for the first voltage. The power circuit is designed to stop the operation of the PFC, lower the first voltage to match the second voltage, and supply power based on the lowered first voltage when the power consumption of the operator is lower than or equal to a predetermined value.

Another notable patent is an LED driving apparatus and its control method. This apparatus comprises an LED driving circuit, a power supply unit that supplies a driving voltage to the LED driving circuit, a voltage ripple controller located between the LED driving circuit and the power supply unit, and a switching unit that controls the voltage supplied to the LED driving circuit. The switching unit operates by turning on or off the voltage ripple controller according to the duty ratio of a pulse width modulation (PWM) dimming signal.

Career Highlights

Shinwook Choi is currently employed at Samsung Electronics Co., Ltd., where he continues to develop innovative technologies. His work has significantly impacted the electronic and LED industries, showcasing his expertise and commitment to advancing technology.

Collaborations

Choi has collaborated with notable coworkers, including Moonyoung Kim and Jeongil Kang, contributing to various projects that enhance the functionality and efficiency of electronic devices.

Conclusion

Shinwook Choi's innovative patents and contributions to technology exemplify his dedication to advancing the field of electronics. His work at Samsung Electronics Co., Ltd. continues to inspire future innovations in the industry.