Yutaka Ohsedo

Title: Yutaka Ohsedo: Innovator in Organic Electroluminescent Devices

Introduction

Yutaka Ohsedo is a prominent inventor based in Sapporo, Japan. He has made significant contributions to the field of organic electroluminescent devices, holding a total of 3 patents. His work focuses on enhancing the performance and durability of these devices through innovative materials.

Latest Patents

One of Ohsedo's latest patents involves a vinyl polymer and an organic electroluminescent device. This device features an organic layer situated between a pair of electrodes. The organic layer, particularly the hole-transporting layer, incorporates a polymer of a vinyl compound. The polymer is characterized by a specific formula, where R and R are the same or different, each representing a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group. Notably, the glass transition temperature of this polymer ranges from about 200 to 250°C, providing high heat resistance. This advancement significantly improves the heat resistance of organic EL devices.

Career Highlights

Throughout his career, Ohsedo has worked with notable companies, including Daicel Chemical Industries, Ltd. His expertise in the field has led to the development of innovative solutions that enhance the functionality of organic electroluminescent devices.

Collaborations

Ohsedo has collaborated with esteemed colleagues such as Yasuhiko Shirota and Kazuyuki Moriwaki. These partnerships have contributed to the advancement of technology in the realm of organic electronics.

Conclusion

Yutaka Ohsedo's contributions to the field of organic electroluminescent devices highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving device performance through the use of advanced materials.