Masa-aki Haga

Title: Masa-aki Haga: Innovator in Organic Electroluminescence Devices

Introduction

Masa-aki Haga is a prominent inventor based in Bunkyo-ku, Japan. He has made significant contributions to the field of organic electroluminescence devices, holding two patents that showcase his innovative work. His inventions focus on enhancing the efficiency and purity of light emission in organic devices.

Latest Patents

Haga's latest patents include a metal complex compound and an organic electroluminescence device utilizing this compound. The organic electroluminescence device is designed to emit blue light with high color purity and short wavelength. It features a specific structure that includes two tridentate ligands within the metal complex compound. The device consists of a pair of electrodes and an organic thin film layer, which contains at least one light-emitting layer. By applying a voltage between the electrodes, the device effectively emits light.

Career Highlights

Throughout his career, Masa-aki Haga has worked with notable organizations, including Idemitsu Kosan Company, Limited and Chuo University. His experience in these institutions has allowed him to develop and refine his innovative ideas in the field of organic electroluminescence.

Collaborations

Haga has collaborated with esteemed colleagues such as Fumio Okuda and Li-fen Yang. These partnerships have contributed to the advancement of his research and the successful development of his inventions.

Conclusion

Masa-aki Haga is a distinguished inventor whose work in organic electroluminescence devices has paved the way for advancements in light emission technology. His patents reflect a commitment to innovation and excellence in the field.