Yasushi Ohkawa

Title: Innovations of Yasushi Ohkawa

Introduction

Yasushi Ohkawa is a notable inventor based in Akashi, Japan. He has made significant contributions to the field of light-emitting display devices, holding two patents that showcase his innovative approach to technology.

Latest Patents

Ohkawa's latest patents include a "Light-emitting display device and method for making the same" and a "Light-emitting display device with substrate having surface irregularities." The first patent describes a method for creating a light-emitting display device that features a substrate with light-emitting layers. This device allows for electrically controlled light emission from pixels, with barriers that define the pixels' boundaries. The method involves forming a mask pattern on the substrate's surface and using sandblasting to create grooves that enhance light scattering. The second patent focuses on a light-emitting display device that incorporates irregularities on the substrate's surface to improve brightness by reducing light attenuation through total reflection.

Career Highlights

Throughout his career, Yasushi Ohkawa has worked with prominent companies such as Fujitsu Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has contributed to his expertise in developing advanced display technologies.

Collaborations

Ohkawa has collaborated with notable colleagues, including Yasunobu Hashimoto and Yoshiho Seo. Their combined efforts have furthered advancements in the field of light-emitting devices.

Conclusion

Yasushi Ohkawa's innovative work in light-emitting display technology has led to significant advancements in the industry. His patents reflect a deep understanding of the complexities involved in creating efficient and effective display devices.