Keitaro Yamada

Title: Keitaro Yamada: Innovator in Organic Electroluminescent Technology

Introduction

Keitaro Yamada is a prominent inventor based in Sodegaura, Japan. He is known for his significant contributions to the field of organic electroluminescent devices. His innovative work has led to advancements in display technology, making him a notable figure in the industry.

Latest Patents

Yamada holds a patent for an organic electroluminescent element, organic electroluminescent display device, and electronic device. This patent describes an organic electroluminescence device that includes an emitting region situated between a cathode and an anode. The device features a first anode side organic layer, a second anode side organic layer, and a third anode side organic layer. The emitting region contains at least one emitting layer, with the second and third anode side organic layers containing different compounds. The third anode side organic layer has a film thickness of 20 nm or more, and the refractive index difference between the materials in the second and third layers meets a specific numerical formula.

Career Highlights

Keitaro Yamada is currently employed at Idemitsu Kosan Company, Limited, where he continues to develop innovative technologies. His work has been instrumental in enhancing the performance and efficiency of organic electroluminescent devices.

Collaborations

Yamada collaborates with talented coworkers, including Masato Nakamura and Yusuke Takahashi. Their combined expertise contributes to the advancement of research and development in the field of organic electronics.

Conclusion

Keitaro Yamada's contributions to organic electroluminescent technology have made a significant impact on the industry. His innovative patent and ongoing work at Idemitsu Kosan Company, Limited, highlight his role as a leading inventor in this field.