Bumsik Kim is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of electronics, particularly in the development of current sensing devices and organic light-emitting display technologies. With a total of 11 patents to his name, Kim continues to push the boundaries of innovation in his industry.

Latest Patents

One of Bumsik Kim's latest patents is a current sensing device and an organic light-emitting display device that includes this technology. The current sensing device features multiple sensing units, each designed to convert pixel current input through a sensing line into a digital sensing value. Each sensing unit comprises a current integrator, which includes an integrating amplifier and a feedback capacitor. The integrating amplifier has an inverting input terminal, a non-inverting input terminal, and an output terminal. The feedback capacitor connects the inverting input terminal to the output terminal, while a first reference voltage is input to the non-inverting input terminal. Additionally, a current transmitting unit is connected between the sensing line and the current integrator, allowing for the separation of electric connections and mirroring the pixel current.

Another aspect of his current sensing device involves a reference current generator that produces a reference current. A current comparator outputs a comparator signal based on the pixel current and the reference current, effectively removing any offset deviation components. This is achieved through the use of a reset current that is externally applied. The device also includes an edge-triggered data flip-flop that outputs a digital sensing value corresponding to the pixel current based on the comparator output signal.

Career Highlights

Bumsik Kim is currently employed at LG Display Co., Ltd., where he continues to innovate and develop cutting-edge technologies. His work has significantly impacted the field of display technology, particularly in enhancing the performance and efficiency of organic light-emitting displays.

Collaborations

Throughout his career, Bumsik Kim has collaborated with notable colleagues, including Seungtae Kim and KyoungDon Woo. These collaborations have fostered a creative environment that has led to the development of advanced technologies in the field.

Conclusion

Bumsik Kim is a distinguished inventor whose work in current sensing devices and organic light-emitting displays has made a lasting impact on the electronics industry. His innovative spirit and dedication

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