Haruhisa Hirakawa

Title: Haruhisa Hirakawa: Innovator in Field Emission Display Technology.

Introduction

Haruhisa Hirakawa, an accomplished inventor based in Mobara, Japan, has made significant contributions to the field of display technology. With a total of six patents to his name, he has focused particularly on advancements in field emission display devices. His work combines innovative designs with practical applications, seeking to enhance the performance and efficiency of display solutions.

Latest Patents

Hirakawa's most recent patents showcase his expertise in the development of field emission display devices. One notable patent involves a field emission display device that incorporates an improved dielectric breakdown. This invention features a container made from an anode substrate, a cathode substrate, and a cover member that forms a getter room. An anode lead is securely fixed on the cover member, ensuring that the electric conduction between the anode terminal and the anode lead is straightforward. The design facilitates easy integration of anode leads as electrodes.

Another exciting patent revolves around a field emission display device that operates on a high anode voltage, effectively accelerating emitted electrons to the anode. This innovation provides high brightness and eliminates the leakage of glowed light. The device includes cone emitters formed on a cathode electrode, with several layers of insulating material that support the first and second gate electrodes. The configuration aligns the emitters with openings in the focusing electrodes, allowing electrons to be concentrated towards the anode electrode.

Career Highlights

Hirakawa's professional journey includes a significant role at Futaba Denshi Kogyo Co., Ltd., where he has collaborated on numerous groundbreaking projects related to display technologies. His dedication and creativity have led to several patented inventions that are instrumental in enhancing visual displays used in various applications.

Collaborations

Throughout his career, Hirakawa has had the pleasure of working alongside esteemed colleagues such as Yoshihisa Tsuruoka and Eiji Sato. These collaborations have allowed for a rich exchange of ideas and innovations, fostering an environment where cutting-edge technology could thrive and evolve.

Conclusion

Haruhisa Hirakawa continues to be a respected figure in the realm of display technology. His innovative spirit and impactful patents position him as a key contributor to advancements in field emission display devices. As technology continues to evolve, Hirakawa's work will undoubtedly influence the future of display solutions and inspire future inventors in the industry.