Junichi Tonotani

Title: Junichi Tonotani: Innovator in Organic Electroluminescent Technology

Introduction

Junichi Tonotani is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of organic electroluminescent technology, holding a total of 8 patents. His work has paved the way for advancements in optical devices and displays.

Latest Patents

One of Tonotani's latest patents is for an organic electroluminescent element. This invention comprises an anode and a cathode, with an organic light-emitting layer interposed between them. It also features an organic hole transfer layer that contains a polymer-type organic hole transfer material, enhanced with a metal oxide of a semiconductor material or a conductive material. Another notable patent involves an optical device and organic EL display. This device includes a first waveguide layer where multiple-beam interference occurs, and a second waveguide layer that has a back surface facing the first layer and a front surface as a light output surface. A diffraction grating is arranged on the back side of the second waveguide layer, designed to allow first-order diffracted light to emerge.

Career Highlights

Throughout his career, Junichi Tonotani has worked with notable companies such as Toshiba Corporation and Toshiba Matsushita Display Technology Co., Ltd. His experience in these organizations has contributed to his expertise in the field of organic electroluminescent technology.

Collaborations

Tonotani has collaborated with various professionals in his field, including Hideki Ookawa. Their joint efforts have further advanced the development of innovative technologies.

Conclusion

Junichi Tonotani's contributions to organic electroluminescent technology and his impressive portfolio of patents highlight his role as a leading inventor in this field. His work continues to influence advancements in optical devices and displays.