2012 Fiscal Year Final Research Report
Understanding basic nature, investigation of new phases and applications to device materials of frustrated liquid crystals
| Project/Area Number |
21245037
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Functional materials chemistry
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| Research Institution | Kyushu University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HIGUCHI Hiroki 九州大学, 先導物質化学研究所, 助教 (50432951)
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| Co-Investigator(Renkei-kenkyūsha) |
YAMAMOTO Jun 京都大学, 理学部, 教授 (10200809)
SASAKI Sono 京都工芸繊維大学, 大学院・工芸科学研究科, 准教授 (40304745)
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| Project Period (FY) |
2009 – 2012
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| Keywords | 液晶 / フラストレーション / ブルー相 / 電気光学デバイス / 表示素子 |
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| Research Abstract |
A new approach to simultaneously extend the wavelength range of field-induced Bragg diffraction shift and the temperature range of thermodynamically stable BPs has been studied in this project. A new liquid crystal blue material system was shown using a dendron molecule to extend simultaneously the two blue phase ranges. One is the temperature range of thermodynamically stable blue phases. The other is the reversible maximum shift range of Bragg wavelength on the electric field. The physical mechanism of the dendron-stabilizing effect in blue phases is discussed in terms of elastic property and orientational order of liquid crystal molecules. The lattice structure of the blue phases and polymer-stabilized blue phases were closely investigated using confocal laser scanning optical microscope.
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[Presentation] Optimization of the Polymer-Stabilizing Technique of the Liquid Crystal Blue Phase2012
Author(s)
Tatsuro Mizunuma, Oo Thet Naing, Yukiko Ogawa, Hengy Ma, Hyunseok Choi, Yasutomo Nagano, Yasuhiro Haseba, Hiroki Higuchi, Yasushi Okumura, and Hirotsugu Kikuchi
Organizer
The 9th SPSJ International Polymer Conference
Place of Presentation
Kobe, Japan
Year and Date
2012-12-12
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[Presentation] Improved Electro-Optical Properties of Polymer-Stabilized Blue Phases2012
Author(s)
Hirotsugu Kikuchi, Hengyi Ma, Thet Naing Oo, Tatsuro Mizunuma, Yukiko Ogawa, Yasutomo Nagano, Yasuhiro Haseba, Hyunseok Choi, Takahiro Ashimine, Hiroki Higuchi, and Yasushi Okumura
Organizer
24th International Liquid Crystal Conference
Place of Presentation
Mainz, Germany
Year and Date
2012-08-20
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