Dr. Hirohiko Fukagawa Profile

Dr. Hirohiko Fukagawa

at NHK Japan Broadcasting Corp

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 18 September 2018 Presentation

Recent progress in inverted OLEDs: Key materials, air stability, and application to flexible display (Conference Presentation)

Hirohiko Fukagawa, Tsubasa Sasaki, Taku Oono, Takahisa Shimizu

Proceedings Volume 10736, 107360P (2018) https://doi.org/10.1117/12.2319807

KEYWORDS: Organic light emitting diodes, Flexible displays, Oxygen, Alkali metals, Optoelectronic devices, Fabrication, Metals, Oxides

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Proceedings Article | 19 September 2017 Presentation

Recent advances in phosphorescent OLEDs: Molecular design for long lifetime and high color purity (Conference Presentation)

Hirohiko Fukagawa, Takahisa Shimizu, Yukiko Iwasaki, Taku Oono, Toshihiro Yamamoto

Proceedings Volume 10362, 103620O (2017) https://doi.org/10.1117/12.2275795

KEYWORDS: Organic light emitting diodes, Phosphorescent organic light-emitting diodes, Platinum, Flexible displays, Energy transfer, Luminescence, Excitons, Internal quantum efficiency, Iridium, Failure analysis

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Proceedings Article | 4 November 2016 Presentation

Highly efficient and stable phosphorescent organic light-emitting diodes employing TADF materials as host (Conference Presentation)

Hirohiko Fukagawa, Yukiko Iwasaki, Takahisa Shimizu

Proceedings Volume 9941, 99410I (2016) https://doi.org/10.1117/12.2236751

KEYWORDS: Phosphorescent organic light-emitting diodes, Organic light emitting diodes, External quantum efficiency, Light sources and illumination, Excitons, Current controlled current source

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Proceedings Article | 5 October 2015 Presentation

Development of operationally stable inverted organic light-emitting diode prepared without using alkali metals (Presentation Recording)

Hirohiko Fukagawa, Katsuyuki Morii, Munehiro Hasegawa, Shun Gouda, Toshimitsu Tsuzuki, Takahisa Shimizu, Toshihiro Yamamoto

Proceedings Volume 9566, 956612 (2015) https://doi.org/10.1117/12.2187602

KEYWORDS: Organic light emitting diodes, Alkali metals, Flexible displays, Light sources and illumination, Resistance, Oxygen, Carbon monoxide, Video, Current controlled current source

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