Hyun Ick Cho

Title: **Hyun Ick Cho: Innovator in Gallium Nitride Technology**

Introduction

Hyun Ick Cho is a notable inventor based in Daegu, South Korea, recognized for his contributions to the field of gallium nitride (GaN) technology. With a total of two patents to his name, Cho's innovative methods have enhanced the manufacturing processes for light-emitting diodes and other semiconductor devices.

Latest Patents

One of Hyun Ick Cho's significant patents is the **Method of Manufacturing Vertical Gallium Nitride Based Light Emitting Diode**. This patent details a comprehensive process involving the formation of a nitride-based buffer layer on a silicon substrate, followed by the sequential formation of a p-type GaN layer, an active layer, and an n-type GaN layer. The method highlights the steps for creating an n-electrode, a plating seed layer, and a structure supporting layer, along with the advanced technique of removing the silicon substrate through wet etching while establishing roughness on the p-type GaN layer.

Another noteworthy patent by Cho is the **Nitride Based Semiconductor Device and Process for Preparing the Same**. This invention outlines a method for preparing a nitride-based semiconductor device that encompasses the growth of a high-temperature AlN single crystal layer, followed by two sequential GaN layers grown under varying conditions. The process is designed to enhance the lateral growth direction, which is crucial for the performance of semiconductor devices.

Career Highlights

Hyun Ick Cho has built a commendable career, working with esteemed companies in the electronics sector, notably **Samsung Electronics Co., Ltd.** and **Samsung Electro-Mechanics Co., Ltd.** His experience in these leading organizations has enabled him to develop and refine his innovations, significantly impacting the semiconductor industry.

Collaborations

Throughout his career, Cho has collaborated with talented colleagues, including Jae Hoon Lee and Jung Hee Lee. These partnerships have fostered a productive environment for innovation, driving advancements in the technologies associated with gallium nitride.

Conclusion

Hyun Ick Cho is a distinguished inventor whose work on gallium nitride technology has opened new avenues in the manufacturing of semiconductor devices. His patents not only reflect his expertise but also contribute to the advancement of the electronics industry, ensuring a brighter and more efficient future in technology.