Hiroyuki Sawano

Title: Hiroyuki Sawano: Innovator in Wavelength Conversion Technology

Introduction

Hiroyuki Sawano is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of wavelength conversion technology, holding a total of 7 patents. His innovative work has implications in various applications, particularly in the realm of materials science.

Latest Patents

Among his latest patents, Sawano has developed a wavelength conversion member that includes a support and a wavelength conversion layer. This layer consists of a phosphor particle group sealed by a sealing member. A notable feature of this invention is a predetermined region within the wavelength conversion layer, where the cross-sectional area rate of the phosphor particle group is not less than 50%. This region is defined by specific dimensions, ensuring optimal performance in various applications.

Another significant patent involves a wavelength conversion member that comprises a sintered body of phosphor. In this invention, the average diameter of pores in an arbitrary cross section is carefully controlled, falling within a range of 0.28 μm to 0.98 μm. Additionally, the ratio of the area of pores to the whole area in an arbitrary cross section is maintained between 0.04% and 2.7%. The average diameter of grains of the phosphor is also specified, ranging from 1 μm to 3 μm, which is crucial for the effectiveness of the material.

Career Highlights

Hiroyuki Sawano has had a distinguished career, working with notable organizations such as NEC Corporation and the National Institute for Materials Science. His experience in these institutions has allowed him to refine his expertise in materials science and innovation.

Collaborations

Throughout his career, Sawano has collaborated with esteemed colleagues, including Daisuke Inomata and Hitoshi Hotta. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Hiroyuki Sawano's contributions to wavelength conversion technology exemplify his innovative spirit and dedication to advancing materials science. His patents reflect a deep understanding of the complexities involved in this field, making him a significant figure in the world of invention.