Naohisa Tohjoh

Title: Naohisa Tohjoh: Innovator in Liquid Crystal Display Technology

Introduction

Naohisa Tohjoh is a notable inventor based in Yokohama, Japan, recognized for his contributions to the field of liquid crystal displays. His innovative approach to color filtering technology has paved the way for improved display performance and quality.

Latest Patents

Tohjoh holds a patent for a groundbreaking color filter specifically designed for liquid crystal displays. This invention features a unique combination of two red pigments. The first pigment has a 40%-transmittance wavelength at the short-wave end of the transmitted spectrum, strategically positioned within the range of 550 to 600 nm. The second red pigment is formulated to possess a short-wave 40%-transmittance wavelength that lies within 40 nm of the first pigment's range. This innovative blend results in a significant enhancement by ensuring that the transmittance in the wavelength region of 450 to 500 nm is essentially 0%, thereby optimizing color accuracy and display fidelity.

Career Highlights

Tohjoh is currently employed at the International Business Machines Corporation (IBM), a leading company in technology and innovation. His work focuses on developing advanced technologies that enhance electronic displays, and his patent is a testament to his expertise and dedication in this area.

Collaborations

Throughout his career, Naohisa Tohjoh has collaborated with esteemed colleagues, including Kesanao Kobayashi and Takashi Fujita. These collaborations have fostered an environment of innovation and knowledge sharing, contributing to the development of cutting-edge advancements in display technologies.

Conclusion

Naohisa Tohjoh's innovative contributions to the realm of liquid crystal displays exemplify the spirit of invention that drives technological progress. His patent not only reflects his technical skills but also highlights the impact of collaborative efforts in achieving significant advancements in the field.