Location History:
- Tokyo-to, JP (2004 - 2005)
- Abiko, JP (2024)
Company Filing History:
Years Active: 2004-2025
Title: Tatsuji Nakajima: Innovator in Barrier Film Technology
Introduction
Tatsuji Nakajima is a prominent inventor based in Tokyo-to, Japan. He has made significant contributions to the field of barrier film technology, holding a total of 7 patents. His work focuses on innovations that enhance the performance and durability of wavelength conversion sheets and related devices.
Latest Patents
Among his latest patents are a barrier film, a wavelength conversion sheet using the barrier film, and a display device that incorporates the wavelength conversion sheet. The barrier film is designed to effectively suppress the adhesion of a light guide plate to the wavelength conversion sheet, thereby preventing damage to both the wavelength conversion sheet and the light guide plate. This innovative barrier film consists of at least a barrier layer and base material layers, featuring a mat layer that includes resin and fillers. The design ensures that 20-80% of the projecting fillers have a particle size at least twice the thickness of the mat layer, with a total of 1800 or more fillers per square millimeter in the plan view of the mat layer.
Another notable patent involves a barrier film that minimizes color changes when applied to a wavelength conversion sheet. This barrier film comprises an inorganic oxide layer, an organic coating layer, and a primer layer, all arranged in a specific order on a light-transmitting base material. The defined thicknesses of these layers contribute to the film's effectiveness in various applications.
Career Highlights
Tatsuji Nakajima is currently employed at Dai Nippon Printing Co., Ltd., where he continues to innovate and develop advanced materials for display technologies. His expertise in barrier films has positioned him as a key figure in the industry, contributing to the advancement of liquid crystal display devices and backlight systems.
Collaborations
Throughout his career, Nakajima has collaborated with notable colleagues, including Takeshi Sakamoto and Ryutaro Harada. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Tatsuji Nakajima's contributions to barrier film technology exemplify his commitment to innovation in the field. His patents reflect a deep understanding of material science and its applications in modern display technologies. His work continues to influence the industry and pave the way for future advancements.