Wataru Tokuhara is a distinguished inventor based in Okazaki, Japan. He has made significant contributions to the field of optical technologies, holding a total of five patents. His work primarily focuses on enhancing light properties for various applications, including display devices.

Latest Patents

Among his latest innovations are patents for an optical sheet, a surface light source device, and a transmission display device. The optical sheet is engineered to integrate with a direct type surface light source device, which includes a light source designed to alter the travel direction of emitted light. This optical sheet features a light exiting side lens part with adjacent unit lenses, each having a convex shape that directs light outward. A unique light scattering layer is incorporated into each unit lens, enhancing the quality of light emitted by the device. The layer is thicker around the apex of each lens compared to the edges, which optimizes the scattering effect.

In addition, the surface light source device comprises a light source portion, a light controlling sheet, and includes a light diffusing sheet with micro-convex structures. The light diffusing sheet is crafted from a transparent base film and is coated with a light diffusing layer. Micro-beads within the sheet create a lens effect, providing both condensing and diffusing capabilities, resulting in smoother light output, higher front luminance, and reduced moiré effects.

Career Highlights

Wataru Tokuhara has been instrumental in advancing optical technologies at Dai Nippon Printing Co., Ltd. His dedication to research and innovation has led to several significant breakthroughs in the field, particularly in enhancing visual displays and lighting technologies.

Collaborations

Throughout his career, Wataru has collaborated with notable colleagues, including Masahiro Goto and Daijiro Kodama. Their teamwork has fostered a creative environment that stimulates innovation and drives forward their shared goals in optical research.

Conclusion

Wataru Tokuhara's contributions to optical technologies have established him as a prominent figure in his field. His inventions not only push the boundaries of current technologies but also pave the way for future advancements in light manipulation and display solutions. As he continues his work, the impact of his innovations will undoubtedly influence the industry for years to come.

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