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Ryohei Yamaoka

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Publication

Featured researches published by Ryohei Yamaoka.

SID Symposium Digest of Technical Papers | 2017

3‐4: Ultra‐wide Color Gamut OLED Display using a Deep‐red Phosphorescent Device with High Efficiency, Long Life, Thermal Stability, and Absolute BT.2020 Red Chromaticity

Shunsuke Hosoumi; Tomoya Yamaguchi; Hideko Inoue; Shiho Nomura; Ryohei Yamaoka; Toshiki Sasaki; Satoshi Seo

SID Symposium Digest of Technical Papers | 2015

70.1: High‐Resolution OLED Display with the World's Lowest Level of Power Consumption Using Blue/Yellow Tandem Structure and RGBY Subpixels

Ryohei Yamaoka; Toshiki Sasaki; Riho Kataishi; Noriko Miyairi; Koji Kusunoki; Makoto Kaneyasu; Hiroyuki Miyake; Nobuharu Ohsawa; Satoshi Seo; Yoshiharu Hirakata; Shunpei Yamazaki; Koji Ono; Takayuki Cho; Hidenori Mori

Journal of The Society for Information Display | 2014

A 13.5-in. Quad-FHD flexible CAAC-OS AMOLED display with long-life OLED device structure

Shogo Uesaka; Ryohei Yamaoka; Toshiki Sasaki; Akihiro Chida; Susumu Kawashima; Toshiyuki Isa; Satoshi Seo; Yoshiharu Hirakata; Shota Yatsuzuka; Takayuki Ohide; Masataka Nakada; Shunpei Yamazaki; Manabu Niboshi; Yoshiyuki Isomura; Yuto Tsukamoto; Shinichi Kawato; Katsuhiro Kikuchi; Seiichi Mitsui

SID Symposium Digest of Technical Papers | 2017

10‐4: A 13.3‐inch 8K x 4K 664‐ppi 120‐Hz 12‐bit Display with Super‐wide Color Gamut for the BT.2020 Standard

Toshiki Sasaki; Ryohei Yamaoka; Shiho Nomura; Roh Yamamoto; Kei Takahashi; Daiki Nakamura; Tomoya Aoyama; Hisao Ikeda; Satoshi Seo; Shunpei Yamazaki

SID Symposium Digest of Technical Papers | 2017

52-4: Long-lived Thermally Stable Blue OLED Achieving BT.2020 Color Gamut

Naoaki Hashimoto; Yusuke Takita; Ryohei Yamaoka; Shiho Nomura; Toshiki Sasaki; Sachiko Yamagata; Tsunenori Suzuki; Satoshi Seo

SID Symposium Digest of Technical Papers | 2017

71-3: Curved Kawara-type Multidisplay with OLED Devices for BT.2020 Color Gamut

Daiki Nakamura; Yuji Iwaki; Nozomu Sugisawa; Hisao Ikeda; Yusuke Nishido; Shingo Eguchi; Shiho Nomura; Ryohei Yamaoka; Toshiki Sasaki; Satoshi Seo; Chieko Misawa; Masayoshi Dobashi; Takashi Shiraishi; Masataka Nakada; Shunpei Yamazaki

Archive | 2014

Light-Emitting Element, Display Module, Lighting Module, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device

Tsunenori Suzuki; Shogo Uesaka; Ryohei Yamaoka; Satoshi Seo

Archive | 2015

Light-emitting device having multi-thickness transparent conductive layers

Satoshi Seo; Ryohei Yamaoka; Shogo Uesaka

SID Symposium Digest of Technical Papers | 2014

21.3: A 13.5‐in. Quad‐FHD Flexible CAAC‐OS AMOLED Display with Long‐Life OLED Device Structure

Shogo Uesaka; Ryohei Yamaoka; Toshiki Sasaki; Akihiro Chida; Susumu Kawashima; Toshiyuki Isa; Satoshi Seo; Yoshiharu Hirakata; Shota Yatsuzuka; Takayuki Ohide; Masataka Nakata; Shunpei Yamazaki; Manabu Niboshi; Yoshiyuki Isomura; Yuto Tsukamoto; Shinichi Kawato; Katsuhiro Kikuchi; Seiichi Mitsui

SID Symposium Digest of Technical Papers | 2018

26-2: Extremely High-Efficient OLED Achieving External Quantum Efficiency over 40% by Carrier Injection Layer with Super-Low Refractive Index

Takeyoshi Watabe; Ryohei Yamaoka; Nobuharu Ohsawa; Airi Tomida; Satoshi Seo; Shunpei Yamazaki

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Collaboration

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Shunpei Yamazaki

Schweitzer Engineering Laboratories

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Hiroyuki Miyake

Fuji Xerox

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Koji Kusunoki

Waseda University

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Katsuhiro Kikuchi

National Archives and Records Administration

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Manabu Niboshi

National Archives and Records Administration

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Seiichi Mitsui

National Archives and Records Administration

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Shinichi Kawato

National Archives and Records Administration

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Yoshiyuki Isomura

National Archives and Records Administration

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Yuto Tsukamoto

National Archives and Records Administration

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Shunpei Yamazaki

Schweitzer Engineering Laboratories

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