Yuji Yamakawa

Title: Yuji Yamakawa: Innovator in Liquid Crystal Display Technology

Introduction

Yuji Yamakawa is a notable inventor based in Okinawa-ken, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of 2 patents, Yamakawa's work focuses on enhancing the efficiency and design of LCD devices.

Latest Patents

Yamakawa's latest patents include a backlight system designed to minimize the non-display area of liquid crystal display devices. The first patent describes a liquid crystal display device that incorporates a backlight for supplying light to the display element. This system features a light guide plate and a lamp unit, which includes a fluorescent tube, bushings made of insulating material, a lamp reflector, and a lamp cable. The lamp reflector is designed to hold the fluorescent tube through the bushings, utilizing bent stiff metal plates for support.

The second patent further innovates on the backlight system by introducing a flat cable that includes a conductive foil and insulating films. This cable supplies voltage to the fluorescent tube, effectively reducing the installation space of the lamp cable and minimizing the picture-frame area of the liquid crystal display device.

Career Highlights

Throughout his career, Yuji Yamakawa has worked with prominent companies such as Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in display technology.

Collaborations

Yamakawa has collaborated with notable coworkers, including Yoshiomi Yoshii and Masahiko Suzuki. Their combined expertise has contributed to advancements in the field of liquid crystal displays.

Conclusion

Yuji Yamakawa's contributions to liquid crystal display technology through his patents and career experiences highlight his role as an influential inventor. His innovative approaches continue to shape the future of display technology.