Eungwoo Lee

Title: Eungwoo Lee: Innovator in LED Lighting Technologies

Introduction

Eungwoo Lee is an accomplished inventor based in Seoul, South Korea. He holds two patents that showcase his significant contributions to innovative lighting technologies, particularly in the field of LED circuits. His work reflects a deep understanding of electrical engineering and a commitment to advancing efficient lighting solutions.

Latest Patents

Eungwoo’s latest patents include groundbreaking inventions designed to enhance LED lighting performance. The first is a patent for **Hybrid Dimming for Lighting Circuits**, which introduces a circuit that employs a light emitting diode (LED) and a transistor to regulate current flow. This circuit integrates a controller integrated circuit (IC) that utilizes a dimming pin to vary the LED's brightness based on signals received from a dimming input circuit. This input circuit creatively combines pulse width modulation (PWM) dimming signals to produce a hybrid signal, allowing for versatile dimming options.

The second patent, **LED Lighting Circuit with Ripple Reducer**, features an innovative lighting circuit equipped with a ripple reducer. This includes a ripple detector, an adaptive offset generator, and a linear regulator. The ripple detector identifies ripple voltage characterized by ripple current, while the adaptive offset generator creates an offset voltage from both the ripple voltage and the voltage of a transistor. The linear regulator subsequently controls the transistor to maintain the LED current based on a reference control voltage, promoting efficiency and stability in LED lighting.

Career Highlights

Eungwoo Lee has garnered substantial experience throughout his career, notably in major tech firms. He has worked for Fairchild Korea Semiconductor Ltd. and Semiconductor Components Industries, LLC, where he honed his skills in semiconductor technology and LED applications. His innovative mindset and technical expertise have enabled him to make significant strides in the field.

Collaborations

Throughout his career, Eungwoo has collaborated with talented individuals including Hyunchul Eum and Jintae Kim. These collaborations have likely enhanced his projects, contributing to the development of his notable patents and advancing the boundaries of LED technology further.

Conclusion

Eungwoo Lee exemplifies the spirit of innovation in the realm of LED lighting technologies. His patents not only reflect his technical prowess but also signify a commitment to developing solutions that improve energy efficiency and lighting quality. As he continues to innovate, his contributions will undoubtedly shape the future of lighting in various applications.