Geun-Ha Jang

Title: Geun-Ha Jang: Innovator in Thin Film Transistor Technology

Introduction

Geun-Ha Jang is a notable inventor based in Yongin, South Korea. He has made significant contributions to the field of thin film transistors, particularly in the manufacturing processes that enhance the performance of liquid crystal displays. With a total of 3 patents to his name, Jang's work is recognized for its innovative approaches and practical applications.

Latest Patents

Jang's latest patents focus on the development of a thin film transistor array panel for liquid crystal displays. The first patent describes a method where a gate insulating layer, an amorphous silicon layer, a doped amorphous silicon layer, and a chromium (Cr) layer are sequentially deposited on a substrate. This process includes the formation of a data line, source electrode, and drain electrode, with the doped amorphous silicon layer being etched using these components as etch stoppers. The innovation lies in preventing the formation of an oxide layer by conducting the deposition in a vacuum state, which simplifies the overall manufacturing process and increases the on current of the thin film transistor.

The second patent elaborates on the same method for manufacturing a thin film transistor array panel, reiterating the importance of the sequential deposition process in achieving high-quality results. This method not only enhances the efficiency of the manufacturing process but also eliminates the need for hazardous HF cleaning, making it a safer and more streamlined approach.

Career Highlights

Geun-Ha Jang is currently employed at Samsung Electronics Co., Ltd., where he continues to push the boundaries of technology in the display industry. His work has been instrumental in advancing the capabilities of liquid crystal displays, which are widely used in various electronic devices.

Collaborations

Jang has collaborated with notable colleagues, including Jong-Hwan Cha and Dae-Sung Yi, who have contributed to his research and development efforts. These collaborations have fostered an environment of innovation and creativity, leading to significant advancements in their field.

Conclusion

Geun-Ha Jang's contributions to thin film transistor technology exemplify the impact of innovative thinking in the electronics industry. His patents not only enhance the manufacturing processes but also improve the performance of liquid crystal displays, showcasing the importance of continuous innovation in technology.