Hee Sub Lee

Title: Hee Sub Lee: Innovator in Light Emitting Devices

Introduction

Hee Sub Lee is a prominent inventor based in Ansan, South Korea. He has made significant contributions to the field of light emitting devices, holding a total of 2 patents. His work focuses on enhancing the efficiency and fabrication methods of these devices.

Latest Patents

One of Hee Sub Lee's latest patents is a light emitting device with high efficiency. This device includes a substrate made of gallium nitride and a semiconductor layer that consists of an n-type nitride semiconductor layer, an active layer, and a p-type nitride semiconductor layer. The design specifies that the angle between the crystal growth plane of the substrate and the m-plane should be in the range of 3.5° to 6°. Another notable patent involves a method of fabricating a light emitting device through the formation of a template for growing semiconductors and separating the growth substrate. This template includes a nitride substrate, a seed layer with at least one trench, and a growth stop layer on the bottom surface of the trench, which features both upper and lower trenches of varying widths.

Career Highlights

Hee Sub Lee is currently employed at Seoul Viosys Co., Ltd., where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing the capabilities of light emitting devices, making them more efficient and easier to fabricate.

Collaborations

Hee Sub Lee collaborates with talented individuals such as Joon Sup Lee and Hyun A Kim, who contribute to the innovative environment at Seoul Viosys Co., Ltd. Their teamwork fosters creativity and drives the development of cutting-edge technologies.

Conclusion

Hee Sub Lee is a key figure in the advancement of light emitting devices, with a focus on efficiency and innovative fabrication methods. His contributions are shaping the future of semiconductor technology.