Kyung Joo Lee

Title: Kyung Joo Lee: Innovator in Organic Electroluminescent Technologies

Introduction

Kyung Joo Lee is a prominent inventor based in Gyeonggi-do, South Korea, recognized for his contributions to the field of organic electroluminescent technologies. With a total of two patents to his name, Lee has demonstrated a keen ability to innovate and enhance electronic devices, focusing on aspects such as luminous efficiency and power management.

Latest Patents

Lee's latest patents include groundbreaking inventions that showcase his expertise in organic electroluminescent compounds and devices. The first patent revolves around a novel organic electroluminescent compound, which creates an organic light-emitting layer and device characterized by high luminous efficiency and a long operational lifetime. Importantly, this invention requires a lower driving voltage, thereby improving overall power efficiency and consumption.

The second patent involves an apparatus and method for detecting phase currents of an inverter. This invention sets a threshold voltage and compares it with a reference voltage to determine the minimal pulse width of a PWM signal. Through a systematic approach, it enhances the detection of phase currents, leveraging compensation voltage to optimize sine wave voltages for accurate current calculations.

Career Highlights

Kyung Joo Lee has made significant strides in his career, having worked with renowned companies such as LS Industrial Systems Co., Ltd. and Rohm and Haas Electronic Materials Korea Ltd. His practical experience within these organizations has been instrumental in fostering his innovative capacity and understanding of electroluminescent technologies.

Collaborations

Throughout his career, Lee has collaborated with several talented professionals, including Hee-Choon Ahn and Young-Jun Cho. These partnerships have enriched his work environment, facilitating knowledge exchange and joint problem-solving in the realm of electronics and material science.

Conclusion

Kyung Joo Lee's contributions to the field of organic electroluminescent devices exemplify his commitment to innovation and excellence. His patents not only address current technological challenges but also open avenues for future advancements in electronic efficiency and performance. As a dedicated inventor, Lee continues to shape the landscape of the industry with his noteworthy inventions and collaborative efforts.