Mitsumasa Umesaki

Title: Mitsumasa Umesaki: Innovator in Liquid Crystal Technology

Introduction

Mitsumasa Umesaki, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of liquid crystal technology. With two patents to his name, Umesaki has been at the forefront of innovations that enhance display technologies, particularly in the realm of liquid crystal panels.

Latest Patents

Umesaki's latest inventions include a liquid crystal panel device featuring a light guide plate with L-shaped ribs. This innovative design ensures that the liquid crystal panel unit is securely held in place on the backlight unit, eliminating gaps that could affect performance. The backlight unit is equipped with a light guide, a lamp that emits illumination, and a specially designed reflector that collects and directs light efficiently.

In addition, Umesaki has developed a display panel apparatus aimed at reducing capacitive coupling. This invention comprises a transmission-type liquid crystal panel where a lamp is strategically placed adjacent to a light guide plate. Using a high-frequency current supply, the lamp powers the illumination while a reflective plate confines the light, leading to a significant decrease in leakage current due to reduced capacitance with the housing structure.

Career Highlights

Throughout his career, Mitsumasa Umesaki has worked at prominent companies, including Mitsubishi Denki Kabushiki Kaisha, where he propelled advancements in display technologies. His innovative spirit and dedication to improving the efficiency of liquid crystal devices have defined his professional journey.

Collaborations

Umesaki has collaborated with notable peers in the industry, including Akimasa Yuuki and Sadayuki Matsumoto. Their collective expertise has been instrumental in furthering the development of cutting-edge display technologies.

Conclusion

Mitsumasa Umesaki stands out as a pivotal figure in the evolution of liquid crystal technology. With his groundbreaking patents and collaboration with esteemed colleagues, he continues to shape the future of display innovation, enhancing user experiences through superior technology.