Masao Yoshioka

Title: Masao Yoshioka and Liquid Crystal Display Innovation.

Introduction

Masao Yoshioka is an inventor associated with Chiba, Japan. His patent work addresses liquid crystal display technology, with a focus on image quality, manufacturing cost, and reducing environmental impact during fabrication.

Latest Patents

The provided information lists one patent for Yoshioka: “Liquid crystal display with black matrix formed by a black resin optical shielding layer and a blue filter layer.” The invention describes a liquid crystal display with a black matrix made from a black resin optical shielding layer and a blue filter layer. The device also includes color filters and a counter electrode on one substrate, and gate and source signal lines, thin-film transistors, and pixel electrodes on another, with a liquid crystal layer between them.

The patent further describes a fabrication method in which the blue-filter portion of the black matrix is made from photoresist containing a dispersed blue pigment. The photoresist is patterned using back-side exposure. The stated aims include producing preferable display images, lowering manufacturing costs, and avoiding environmental deterioration during fabrication. Yoshioka’s listed patent count is 1 patent.

Career Highlights

Yoshioka’s documented contribution centers on the structure and fabrication of a liquid crystal display’s black matrix. The patent presents a way to combine a black resin shielding layer with a blue filter layer and describes a patterning process for forming the blue-filter portion.

Collaborations

The provided information names Akiya Izumi and Tatsuo Hamamoto as Yoshioka’s coworkers. It does not specify their roles in the patent or describe particular collaborative contributions.

Conclusion

Masao Yoshioka’s listed patent focuses on a liquid crystal display design and fabrication method intended to support image quality, cost efficiency, and more environmentally considerate manufacturing.