Hwa Kyung Kim

Title: Hwa Kyung Kim: Innovator in Organic Light Emitting Devices

Introduction

Hwa Kyung Kim is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of organic light emitting devices (OLEDs). With a total of 8 patents to his name, Kim continues to push the boundaries of technology in this innovative area.

Latest Patents

One of his latest patents involves a white organic light emitting device. This device includes first and second electrodes that are formed to face each other on a substrate. A first stack is interposed between the electrodes and is configured with a hole injection layer, a first hole transportation layer, a first light emission layer, and a first electron transportation layer. Additionally, a second stack is interposed between the first stack and the second electrode, which includes a second hole transportation layer, a second light emission layer, a third light emission layer, and a second electron transportation layer. Furthermore, a third stack is interposed between the second stack and the second electrode, configured with a third hole transportation layer, a fourth light emission layer, a third electron transportation layer, and an electron injection layer. The device also features a first charge generation layer interposed between the first and second stacks, as well as a second charge generation layer interposed between the second and third stacks.

Career Highlights

Hwa Kyung Kim is currently employed at LG Display Co., Ltd., where he continues to innovate in the field of display technology. His work has been instrumental in advancing the capabilities of OLEDs, making them more efficient and versatile for various applications.

Collaborations

Throughout his career, Kim has collaborated with notable colleagues, including Hong Seok Choi and Hye Min Oh. These collaborations have fostered a creative environment that has led to groundbreaking advancements in organic light emitting devices.

Conclusion

Hwa Kyung Kim is a key figure in the development of organic light emitting devices, with a strong portfolio of patents and a commitment to innovation. His contributions continue to shape the future of display technology.