Gun-ho Lee

Title: Innovations by Gun-ho Lee in AMOLED Technology

Introduction

Gun-ho Lee is a prominent inventor based in Bucheon-si, South Korea. He has made significant contributions to the field of display technology, particularly in the development of active matrix organic light-emitting diode (AMOLED) driving circuits. With a total of 2 patents, his work focuses on enhancing the performance and efficiency of display systems.

Latest Patents

One of Gun-ho Lee's latest patents is an "Active matrix OLED driving circuit using current feedback." This invention ensures uniform brightness across pixels in flat panel displays and reduces the time needed to input accurate current to each pixel. The driving circuit includes a current digital-to-analog converter, a first differential amplifier, a current mirror, and a second differential amplifier, all working together to optimize the performance of AMOLED displays.

Another notable patent is the "Current feedback-type AMOLED where sense feedback is sent over the adjacent data line." This innovation features a driving circuit with multiple pixel circuits, each equipped with data and sense terminals. The design allows for efficient current feedback between paired columns of pixel circuits, thereby limiting the number of pads required for the driver integrated circuit (IC) and improving its cost-effectiveness.

Career Highlights

Gun-ho Lee is affiliated with the Korea Advanced Institute of Science and Technology, where he continues to push the boundaries of display technology. His work has garnered attention for its practical applications in modern electronics, particularly in enhancing the visual quality of screens used in various devices.

Collaborations

Gun-ho Lee collaborates with esteemed colleagues such as Gyu-Hyeong Cho and Jin-yong Jeon. Their combined expertise contributes to the advancement of innovative technologies in the field of AMOLED displays.

Conclusion

Gun-ho Lee's contributions to AMOLED technology exemplify the impact of innovative thinking in the electronics industry. His patents reflect a commitment to improving display performance and efficiency, making significant strides in the realm of visual technology.