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Dive into the research topics where Katsufumi Ohmuro is active.

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Featured researches published by Katsufumi Ohmuro.


SID Symposium Digest of Technical Papers | 2011

8.1: Quarter Wave Retardation Film for Improving Viewing Angle Properties in Time‐Sequential Stereoscopic 3D Liquid Crystal Displays

Makoto Ishiguro; Katsufumi Ohmuro; Yukito Saitoh; Yuta Takahashi; Jun Watanabe; Keiichi Miyazaki; Keiji Mihayashi

We investigated how to achieve desired optical properties of quarter wave retardation films QWFs that increase the viewing angle of time-sequential stereoscopic 3D liquid crystal displays LCDs, such as high luminance, low crosstalk, low color change, and low head-tilt-angle dependency. These display properties were strongly affected by the out-of plane retardation Rth of the QWF. We developed QWFs whose in-plane and out-of-plane retardation are independently controllable by adjustment of a polymerized discotic material layer and a triacetate cellulose film, and 3D-LCDs with high viewing angle properties were realized using these QWFs whose Rth was nearly zero.


Archive | 2007

Polarizing plate and liquid crystal display

Junichi Hirakata; Minoru Wada; Yukito Saitoh; Yusuke Ohashi; Katsufumi Ohmuro


Archive | 2014

Light conversion member, and backlight unit and liquid crystal display device which include same

Takashi Yonemoto; 隆 米本; Yukito Saitoh; 齊藤 之人; Hiroyuki Ishikawa; 石川 博之; Katsufumi Ohmuro; 大室 克文


Archive | 2016

Optical sheet member and display device

Katsufumi Ohmuro; Yukito Saitoh; Takashi Yonemoto; Hideyuki Nishikawa; Yoji Ito


Archive | 2014

Optical sheet member and image display device using same

Katsufumi Ohmuro; Yukito Saitoh; Akiko Watano


Archive | 2016

OPTICAL FILM, BARRIER FILM, LIGHT CONVERSION MEMBER, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE

Naoyoshi Yamada; Tatsuya Oba; Yukito Saitoh; Katsufumi Ohmuro; Akiko Watano


Archive | 2014

LUMINANCE-ENHANCING FILM, OPTICAL SHEET MEMBER, AND LIQUID CRYSTAL DISPLAY DEVICE

Akiko Watano; Yukito Saitoh; Katsufumi Ohmuro; Mitsuyoshi Ichihashi; Hiroyuki Ishikawa; Kotaro Yasuda; Hideyuki Nishikawa; Yuki Matsuda; Wataru Hoshino


Journal of The Society for Information Display | 2012

A novel quarter-wave retardation film for improving viewing angle properties in time-sequential stereoscopic 3D-LCDs

Makoto Ishiguro; Katsufumi Ohmuro; Yukito Saitoh; Yuuta Takahashi; Jun Watanabe; Tsutomu Arai; Yoji Ito; Keiji Mihayashi


Archive | 2016

Composition, light reflecting film, luminance-improving film, backlight unit, and liquid crystal display device

Hiroyuki Ishikawa; Shinichi Morishima; Mitsuyoshi Ichihashi; Katsufumi Ohmuro; Akio Tamura; Wataru Hoshino


Archive | 2015

BRIGHTNESS ENHANCEMENT FILM, OPTICAL SHEET MEMBER, AND LIQUID CRYSTAL DISPLAY DEVICE

Jun Takeda; Yuki Matsuda; Nobuyuki Akutagawa; Kotaro Yasuda; Katsufumi Ohmuro; Hideyuki Nishikawa; Akiko Watano; Yukito Saitoh; Mitsuyoshi Ichihashi; Wataru Hoshino; Hiroyuki Ishikawa

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Junichi Hirakata

Tokyo Institute of Technology

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