Company Filing History:
Years Active: 2021-2024
Title: The Innovations of Ki Seok Choi
Introduction
Ki Seok Choi is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of display technology, particularly in organic light-emitting diode (OLED) displays. With a total of six patents to his name, Choi's work has had a substantial impact on the advancement of display devices.
Latest Patents
One of Choi's latest patents is for an organic light-emitting diode display device. This innovative display includes a first thin film transistor with a channel formed in a polycrystalline transistor, and a second thin film transistor with a channel formed in an oxide semiconductor layer. The design features an organic light-emitting diode that is electrically connected to the first thin film transistor, along with a storage capacitor that has a first and second electrode. The second electrode is connected to the gate electrode of the first thin film transistor, and an overlapping layer receives a positive voltage. The oxide semiconductor layer is positioned higher than both the gate electrode and the second electrode of the storage capacitor.
Another notable patent is for a display device and method of fabricating the same. This patent outlines a display device that includes a substrate and a thin-film transistor formed on it. The thin-film transistor consists of a lower gate conductive layer and a lower gate insulating film. The active layer of the thin-film transistor is disposed on the upper surface of the lower gate insulating film, ensuring that at least one of the sidewalls of the lower gate insulating film aligns with the sidewalls of the active layer.
Career Highlights
Ki Seok Choi is currently employed at Samsung Display Co., Ltd., where he continues to innovate in the field of display technology. His work has been instrumental in enhancing the performance and efficiency of OLED displays, which are widely used in modern electronic devices.
Collaborations
Choi has collaborated with notable colleagues, including Myoung Geun Cha and Sang Gun Choi. Their combined expertise has contributed to the successful development of advanced display technologies.
Conclusion
Ki Seok Choi's contributions to the field of display technology, particularly through his patents on OLED devices, highlight his role as a leading inventor in this area. His work at Samsung Display Co., Ltd. continues to influence the future of display innovations.