Company Filing History:
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1 out of 1,207 Years Active: 1999-2007
Title: Hisao Hirayama: Innovator in Liquid Crystal Display Technology
Introduction
Hisao Hirayama is a notable inventor based in Mobara, Japan, recognized for his contributions to liquid crystal display (LCD) technology. With a total of 5 patents, Hirayama has made significant advancements in the field, particularly in enhancing the performance and quality of LCD devices.
Latest Patents
Hirayama's latest patents include innovative designs for LCD backlighting systems. One of his notable inventions is a liquid crystal display backlight's light reflection treatment portion that directs light from the light source toward the LCD, excluding a transmission region of the liquid crystal. This design is particularly suitable for game machines, featuring dot printed films on a light guide plate that illuminate the LCD panel. The arrangement of the dots is denser in the window-frame portion, which corresponds to the display region, enhancing the visual experience. Another significant patent involves a side-edge type backlight system that incorporates grooves at the corner area of the light guide plate. This design effectively suppresses display irregularities, resulting in high-quality image performance.
Career Highlights
Hirayama has had a distinguished career, working with prominent companies such as Hitachi, Ltd. and Hitachi Electronic Devices Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in LCD technology.
Collaborations
Throughout his career, Hirayama has collaborated with talented individuals, including Toshitsugu Miyawaki and Hitoshi Taniguchi. These collaborations have contributed to the advancement of his inventions and the overall progress in the field of display technology.
Conclusion
Hisao Hirayama's contributions to liquid crystal display technology have significantly impacted the industry. His innovative patents and collaborations reflect his dedication to enhancing visual display performance. His work continues to influence the development of advanced display systems.