Hyoungsik Kim

Title: Innovations by Hyoungsik Kim: Pioneering Display Technologies

Introduction

Hyoungsik Kim, located in Paju-si, South Korea, is an accomplished inventor with a notable portfolio comprising three patents. His contributions to display technology have enhanced the capabilities and efficiency of display devices, significantly impacting the industry.

Latest Patents

Hyoungsik Kim's latest patents showcase his expertise in pixel circuit design and display technology. One of his significant inventions is a pixel circuit that includes a light-emitting device capable of emitting light with luminance correlated to the driving current applied. This circuit utilizes a driving transistor to control the current and a storage capacitor connected to it. The setup incorporates a first transistor, activated by a first scan signal to send data voltage to the storage capacitor, and a second transistor that connects the driving transistor in diode configuration based on a second scan signal. Both the driving and first transistors are low-temperature poly-silicon (LTPS) thin-film transistors, while the second is an oxide semiconductor thin-film transistor.

Another noteworthy patent is related to a display driver designed to improve the prevention of leakage current in data supply transistors. The device intelligently controls a parking voltage based on the input data luminance, significantly reducing undesired current leakage. The display driver encompasses a controller providing alternating clock signals and a data driver that aligns with these signals to maintain the pixel data effectively.

Career Highlights

Hyoungsik is presently associated with LG Display Co., Ltd., where he plays a pivotal role in advancing display technologies. His work has been instrumental in developing advanced display technologies that enhance visual quality and performance in consumer electronics.

Collaborations

Throughout his career, Hyoungsik has collaborated with notable colleagues including Wookyu Sang and Taewook Lee. Working alongside such talented professionals has fostered innovation and has led to the successful realization of several patents that further the boundaries of display technology.

Conclusion

Hyoungsik Kim's contributions to the field of display technology exemplify innovation and ingenuity. With a growing number of patents and a strong collaborative network, Kim continues to influence the industry, and his work is sure to inspire future advancements in display devices.