Location History:
- Suwon-si, KR (2010 - 2011)
- Yongin, KR (2011 - 2013)
- Seoul, KR (2014)
Company Filing History:
9 out of 26,887 
4 out of 1,219 Years Active: 2010-2014
Title: Innovator Ji-Su Ahn: Pioneering Advances in Display Technology
Introduction
Ji-Su Ahn, an accomplished inventor based in Yongin, South Korea, holds an impressive portfolio of 13 patents. His contributions primarily focus on innovations in thin film transistors (TFT) and organic light-emitting diode (OLED) display devices. Ahn's work has significantly impacted the field of display technology, enhancing the performance and efficiency of these devices.
Latest Patents
Among Ahn's most recent patents are methods of fabricating thin film transistors and OLED display devices that utilize them. One notable patent outlines a comprehensive method for creating a TFT and its associated OLED device. This method involves several key steps: providing a substrate, forming a buffer layer, establishing a pattern of amorphous silicon, and integrating a metal layer. By applying an electrical field, Ahn crystallizes the amorphous silicon into a semiconductor layer, which is crucial for device functionality.
Another significant patent describes a method for forming a polycrystalline silicon layer using an atomic layer deposition apparatus. This innovation includes forming an amorphous silicon layer on a substrate, exposing it to specific gas atmospheres, and employing UV irradiation in combination with a specialized mask. Ahn’s technique allows for precise control over the crystallization process, including seed positioning and grain size, which are vital for the quality of the silicon layer.
Career Highlights
Ji-Su Ahn has held key positions at prominent technology companies, notably Samsung Display Co., Ltd. and Samsung Mobile Display Co., Ltd. His expertise in the field of display technology has led to groundbreaking innovations that push the boundaries of modern display systems. Ahn's work not only enhances the visual quality of devices but also contributes to their energy efficiency.
Collaborations
Throughout his career, Ahn has collaborated with notable colleagues, including Ki-Yong Lee and Jin-Wook Seo. These partnerships have facilitated a vibrant exchange of ideas, fostering innovation and helping to advance their collective work in display technology.
Conclusion
Ji-Su Ahn stands out as a distinguished inventor whose advancements in thin film transistor and OLED technologies continue to shape the future of display devices. With a robust portfolio of patents and significant industry experience, Ahn's contributions will undoubtedly influence the next generation of display innovations. His commitment to excellence in technology exemplifies the spirit of creativity and innovation within the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.