Mariko Shudo

Title: Mariko Shudo: Innovator in Color Resist Composition

Introduction

Mariko Shudo is a prominent inventor based in Funabashi, Japan. She has made significant contributions to the field of color resist compositions, holding a total of 3 patents. Her work is particularly relevant in the development of materials used in color filters, which are essential in various optical applications.

Latest Patents

One of her latest patents involves a dye-containing resist composition and a color filter utilizing the same. This innovative composition includes a resin (A), a photoacid generator or a photobase generator (B), a crosslinking compound (C), and a dye mixture (D). The dye mixture contains a dye with a structure of amino sulfonate ester or ammonium sulfonate salt, comprising 40 to 95% by weight of the total dye content. The composition is designed to achieve high optical quality, with specific transmittance characteristics across a wavelength range of 400 nm to 700 nm. It also maintains a variation in transmittance of 5% or less, even when subjected to temperatures of 200°C or more. This color resist composition is particularly applicable for color filters that exhibit high spectrum reproducibility, light-resistance, heat-resistance, and a resolution of 5 µm or less, with no post-development residue.

Career Highlights

Mariko Shudo is currently employed at Nissan Chemical Industries Limited, where she continues to innovate in her field. Her work has garnered attention for its practical applications in the industry, particularly in enhancing the performance of color filters.

Collaborations

Throughout her career, Mariko has collaborated with notable colleagues, including Masayoshi Suzuki and Kazuyoshi Hosaka. These collaborations have contributed to the advancement of her research and the successful development of her patented technologies.

Conclusion

Mariko Shudo is a trailblazer in the field of color resist compositions, with her innovative patents paving the way for advancements in optical materials. Her contributions are vital to the ongoing evolution of color filter technology.