Sungwook Chang

Title: Innovations of Sungwook Chang

Introduction

Sungwook Chang is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of display technology, holding a total of 9 patents. His work focuses on enhancing the performance and efficiency of light-emitting display apparatuses.

Latest Patents

One of his latest patents involves a light-emitting display apparatus that includes a pixel driving circuit. This circuit features a driving transistor and an anode reset capacitor connected to the gate of the driving transistor. The light-emitting device is designed to emit light with a current supplied through the driving transistor. The patent describes an anode reset period, during which a data voltage is not supplied to the driving transistor. This period occurs between refresh periods when the light-emitting device emits light with the data voltage supplied. Additionally, the anode reset voltage supplied to the anode reset capacitor during the refresh period is higher than the initial voltage input to the gate of the driving transistor.

Career Highlights

Sungwook Chang is currently employed at LG Display Co., Ltd., where he continues to innovate in the field of display technologies. His expertise and contributions have positioned him as a key figure in the advancement of light-emitting displays.

Collaborations

He has collaborated with notable coworkers, including SungHyun Cho and Jaesung Kim, further enhancing the innovative environment at LG Display Co., Ltd.

Conclusion

Sungwook Chang's work in light-emitting display technology exemplifies the impact of innovation in modern electronics. His patents reflect a commitment to advancing display performance and efficiency.