Yoshinori Ishii

Title: Yoshinori Ishii: Innovator in Polarizing Plate Technology

Introduction

Yoshinori Ishii is a notable inventor based in Moriyama, Japan, known for his contributions to the field of polarizing plate technology. With a total of four patents to his name, Ishii's innovations play a crucial role in improving the efficiency and performance of liquid crystal displays.

Latest Patents

Ishii's latest patents focus on the development of advanced polarizing plates designed to maintain high polarization efficiency and eliminate hue shifts and light leakage, even in challenging environments characterized by high humidity and temperature. His inventions include a polarizing plate that consists of a polyvinyl-alcohol-based polarizing film, a protective film of cyclic-olefin-based resin, and a meticulously designed adhesive layer. One key feature of these polarizing plates is their ability to retain a polarization efficiency of 0.97 or more after exposure to 80°C and 90% relative humidity for 24 hours. Additionally, these plates ensure minimal changes in luminance and color values, making them highly effective for use in modern liquid crystal display devices.

Career Highlights

Throughout his career, Yoshinori Ishii has demonstrated a strong commitment to innovation, working with reputable companies including Gunze Co., Ltd. and Poratechno Co., Ltd. His work has contributed significantly to advancements in display technology, marking him as a distinguished inventor in his field.

Collaborations

Ishii has collaborated with talented individuals such as Takao Uesugi and Koichi Watanabe, fostering a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yoshinori Ishii's contributions to polarizing plate technology reflect his dedication to improving the quality and efficiency of liquid crystal displays. With several patents in the field, his work continues to influence the industry and inspire future innovations.