Ryosuke Kawasumi

Title: Ryosuke Kawasumi: Innovator in Organic Electroluminescence

Introduction

Ryosuke Kawasumi is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of organic electroluminescence, particularly through his innovative patent.

Latest Patents

Kawasumi holds a patent for an organic electroluminescence element, display device, and lighting device. This invention features a light-emitting layer that includes a host compound containing a boron atom and an oxygen atom as a first component. Additionally, it incorporates a thermally assisting delayed fluorescent material, where the energy difference ΔEST between the excited singlet energy level and the excited triplet energy level is 0.20 eV or less as a second component. A fluorescent material serves as the third component, resulting in a device with high light emission efficiency.

Career Highlights

Throughout his career, Kawasumi has worked with reputable organizations, including Kwansei Gakuin Educational Foundation and SK Materials Inc. Co., Ltd. His work has contributed to advancements in display technologies and lighting solutions.

Collaborations

Kawasumi has collaborated with notable colleagues such as Takuji Hatakeyama and Yasuhiro Kondo. Their combined expertise has furthered the development of innovative technologies in their field.

Conclusion

Ryosuke Kawasumi is a distinguished inventor whose work in organic electroluminescence has led to significant advancements in display and lighting technologies. His contributions continue to influence the industry and inspire future innovations.