Kiyohisa Ohta

Title: Kiyohisa Ohta: Innovator in Light-Emitting Technology

Introduction

Kiyohisa Ohta is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of light-emitting technology, holding a total of 8 patents. His innovative work has led to advancements that enhance the efficiency and effectiveness of light-emitting devices.

Latest Patents

One of Ohta's latest patents is a light-emitting apparatus that features a semiconductor device designed to emit light toward a higher position than the substrate. This apparatus includes a light-reflecting layer on the substrate that reflects the emitted light and a covering layer that transmits the reflected light. The semiconductor device is mounted on the covering layer and is electrically connected to external connection terminals through connecting portions. The entire assembly is sealed with a sealing resin, ensuring durability and preventing deterioration of the reflecting layer. This design significantly increases the efficiency of light extraction while maintaining the reflectance of the light-reflecting layer.

Career Highlights

Kiyohisa Ohta has been associated with Sharp Kabushiki Kaisha Corporation, where he has played a vital role in developing cutting-edge light-emitting technologies. His work has not only contributed to the company's innovation portfolio but has also positioned Sharp as a leader in the industry.

Collaborations

Throughout his career, Ohta has collaborated with notable colleagues, including Toshio Hata and Masahiro Konishi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of light emission.

Conclusion

Kiyohisa Ohta's contributions to light-emitting technology exemplify the impact of innovative thinking in the field of electronics. His patents reflect a commitment to enhancing efficiency and performance in light-emitting devices, solidifying his reputation as a leading inventor in this domain.