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2008 Fiscal Year Final Research Report

Formation of an optically isotropic phase with a microscopic nematic order and its application todisplay devices

Research Project

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Project/Area Number 19550175
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional materials/Devices
Research InstitutionHirosaki University

Principal Investigator

YOSHIZAWA Atsushi  Hirosaki University, 大学院・理工学研究科, 教授 (30322928)

Research Collaborator KOBAYASHI Keiko  弘前大学, 大学院・理工学研究科, 博士前期課程
IWAMOCHI Hirotoshi  弘前大学, 大学院・理工学研究科, 博士前期課程
KOGAWA Yutaro  弘前大学, 大学院・理工学研究科, 博士前期課程
SAGISAKA Masanobu  弘前大学, 大学院・理工学研究科, 助教
OGASAWARA Fumitaka  東北薬品株式会社
YAMAMOTO Jun  京都大学, 大学院・理学研究科, 教授
TAKANISHI Yoichi  京都大学, 大学院・理学研究科, 准教授
HASEBA Yasuhiro  チッソ石油化学株式会社
Project Period (FY) 2007 – 2008
Keywords液晶 / ブルー相 / ネマチック相 / キュービック相 / キラリティー / 電気光学効果
Research Abstract

極性基を持つキラルT型化合物を設計・合成し、特殊な液晶相であるブルー相III(BPIII)の温度幅拡大に成功し、電界でスイッチングすることを世界で初めて実証した。さらに混合系においてBPIIIが誘起されることを見つけ、そのBPIIIでは電界印可・除去時の応答時間が温度に依存しなかった。実用化をはかる上で有用な情報が得られた。また、新規イオン性液晶化合物を合成し、既存のネマチック液晶と混合することで光学的等方相であるキュービック相が誘起された。

  • Research Products

    (48 results)

All 2009 2008 2007 Other

All Journal Article (20 results) Presentation (28 results)

  • [Journal Article] Electro-optical switching in blue phases induced by a binary system of a T-shaped nematic liquid crystal and a chiral compound2008

    • Author(s)
      H. Iwamochi, and A. Yoshizawa
    • Journal Title

      Appl.Phys.Express 1, 11, 111801-1-111801-3

  • [Journal Article] Electrooptical properties of a liquid crystal oligomer possessing both lateral and terminal polar groups2008

    • Author(s)
      S. Chiba and A. Yoshizawa
    • Journal Title

      Jpn.J.Appl.Phys 47

      Pages: 6386-6389

  • [Journal Article] Synthesis and physical properties of novel dimesogenic compounds possessing both lateral and terminal polar groups2008

    • Author(s)
      S. Chiba and A. Yoshizawa
    • Journal Title

      Ferroelectrics 365

      Pages: 58-64

  • [Journal Article] Helical structure induced by a binaphthyl derivative possessing two biphenyl moieties2008

    • Author(s)
      K. Kobayashi, Y. Kogawa and A. Yoshizawa
    • Journal Title

      Ferroelectrics 364

      Pages: 121-128

  • [Journal Article] Synthesis and physical properties of novel T-shaped chiral liquid crystal oligomers possessing terminal cyano groups2008

    • Author(s)
      M. Sato and A. Yoshizawa
    • Journal Title

      Pnrroelectrics 364

      Pages: 1-6

  • [Journal Article] 液品オリゴマーが形成する新しい秩序2008

    • Author(s)
      山口章久, 吉澤篤
    • Journal Title

      液晶(日本液品学会誌) 12

      Pages: 128-137

  • [Journal Article] 階層構造を形成する新規な液晶材料2008

    • Author(s)
      吉澤篤
    • Journal Title

      未来材料 8

      Pages: 38-47

  • [Journal Article] Molecular design for stabilizing a blue phase III and electro-optical switching in the blue phase2008

    • Author(s)
      A. Yoshizawa
    • Journal Title

      Journal of the Society for Information Display 16

      Pages: 1189-1194

  • [Journal Article] Unconventional liquid crystal oligomers with a hierarchical structure2008

    • Author(s)
      A. Yoshizawa
    • Journal Title

      J.Mater.Chem.(Feature Article) 18

      Pages: 2877-2889

  • [Journal Article] Two origins for twisting power of a binaphthyl derivative in a host nematic liquid crystal2007

    • Author(s)
      K. Kobayashi and A. Yoshizawa
    • Journal Title

      Liquid Crystals 34

      Pages: 1445-1462

  • [Journal Article] Lamellar to lamellar phase transition driven by conformation change of an amphiphilic liquid crystal oligomer2007

    • Author(s)
      A. Yamaguchi, N. Uehara, J. Yamamoto and A. Yoshizawa
    • Journal Title

      Chem.Mater 19

      Pages: 6445-6550

  • [Journal Article] The role of a liquid crystal oligomer in stabilizing blue phases2007

    • Author(s)
      A. Yoshizawa, H. Iwamochi, S. Segawa and M. Sato
    • Journal Title

      Liquid Crystals 34

      Pages: 1039-1044

  • [Journal Article] Synthesis and physical properties of a novel ionic liquid crystal oligomer2007

    • Author(s)
      T. Kawaguchi, R. Terasawa, M. Sagisaka and A. Yoshizawa
    • Journal Title

      Jpn.J.Appl.Phys 46

      Pages: 5911-5916

  • [Journal Article] Electro-optical switching in a blue phase III exhibited by a novel chiral liquid crystal oligomer2007

    • Author(s)
      M. Sato and A. Yoshizawa
    • Journal Title

      Adv.Mater 19

      Pages: 4145-4148

  • [Journal Article] Electro-optical switching in a blue phase III stabilized by a LC oligomer2007

    • Author(s)
      A. Yoshizawa
    • Journal Title

      Proceedings of the 14th International Display Workshops

      Pages: 379-382

  • [Journal Article] A binaphthyl derivative with wide temperatures of a blue phase

    • Author(s)
      A. Yoshizawa, Y. Kogawa, K. Kobayashi, Y. Takanishi, and J. Yamamoto
    • Journal Title

      J.Mater.Chem DOI : 101039/b902898f

  • [Journal Article] Molecular Organization of Preorganized S-Shaped Oligomers in the Liquid Crystalline Phases

    • Author(s)
      Y. Nagashima, F. Ogasawara, J. Yamamoto, Y. Takanishi, and A. Yoshizawa
    • Journal Title

      Mol.Cryst.Liq.Cryst (in press)

  • [Journal Article] Structure-Property Relationships in Non-Chiral Liquid Crystal Oligomers Stabilizing Blue Phases

    • Author(s)
      H. Iwamochi, A. Yoshizawa
    • Journal Title

      Mol. Cryst. Liq. Cryst (in press)

  • [Journal Article] Synthesis and Phase Transition Behavior of Novel Liquid Crystal Tetramers

    • Author(s)
      T. Narumi, A. Yoshizawa, J. Yamamoto, and Y. Takanishi
    • Journal Title

      accepted for publication in Mol.Cryst.Liq.Cryst (in press)

  • [Journal Article] Twisting Power of a Novel Binaphthyl Derivative Possessing Laterally Attached Mesogenic Units

    • Author(s)
      K. Kobayashi, and A. Yoshizawa
    • Journal Title

      accepted for publication in Mol.Cryst.Liq.Cryst (in press)

  • [Presentation] 液晶オリゴマーが創り出す秩序と機能2009

    • Author(s)
      吉澤篤
    • Organizer
      同志社大学ナノサイエンス研究センター,第1回シンポジウム
    • Place of Presentation
      同志社大学京田辺キャンパス(京都府京田辺市)
    • Year and Date
      2009-03-07
  • [Presentation] 協奏と競合が創り出す周期構造2008

    • Author(s)
      吉澤篤
    • Organizer
      協奏と競合が創り出す周期構造, 日本液晶学会物理・物性, 化学・材料, ソフトマター, 3フォーラム合同講演会"周期構造と機能"
    • Place of Presentation
      マホロバ・マインズ三浦(神奈川県三浦市)
    • Year and Date
      2008-11-22
  • [Presentation] 低分子液晶によるブルー相の安定化2008

    • Author(s)
      吉澤篤
    • Organizer
      九州大学先導物質化学研究所講演会
    • Place of Presentation
      九州大学先導物質化学研究所
    • Year and Date
      2008-11-06
  • [Presentation] ブルー相を示す新規ビナフチル誘導体の合成とその電気光学特性2008

    • Author(s)
      古川裕太郎, 小林景子, 吉澤篤
    • Organizer
      2008年日本液晶学会討論会
    • Place of Presentation
      キャンパスプラザ京都(京都市)
    • Year and Date
      2008-09-19
  • [Presentation] 新規S型オリゴマーがホスト液晶に誘起するらせん構造2008

    • Author(s)
      長嶋祥大, 松岡夏幹, 吉澤篤
    • Organizer
      2008年日本液晶学会討論会
    • Place of Presentation
      キャンパスプラザ京都(京都市)
    • Year and Date
      2008-09-19
  • [Presentation] キラルT型液晶オリゴマーのブルー相発現に及ぼすスペーサーの影響2008

    • Author(s)
      岩持広賢, 吉澤篤
    • Organizer
      2008年日本液晶学会討論会
    • Place of Presentation
      キャンパスプラザ京都(京都市)
    • Year and Date
      2008-09-19
  • [Presentation] 分子の秩序と液晶相の階層性2008

    • Author(s)
      吉澤篤
    • Organizer
      日本学術振興会情報科学用有機材料第142委員
    • Place of Presentation
      東京理科大学森戸記念館
    • Year and Date
      2008-07-17
  • [Presentation] Liquid crystal oligomers exhibiting a blue phase2008

    • Author(s)
      吉澤篤
    • Organizer
      The 4^<th> Japanese-Italian Workshop on Liquid Crystals, Nara-ken New Public Hall
    • Place of Presentation
      Nara
    • Year and Date
      2008-07-09
  • [Presentation] Lamellar to lamellar phase transition driven by conformational change of an amphiphilic liquid crystal oligomer2008

    • Author(s)
      A. Yamaguchi, N. Uehara, J. Yamamoto, A. Yoshizawa
    • Organizer
      22^<nd> Internatinal Liquid Crystal Conference
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2008-07-01
  • [Presentation] Twisting power of novel U-shaped chiral mesogenic oligomers2008

    • Author(s)
      K. Kobayashi, A. Yoshizawa
    • Organizer
      22^<nd> International Liquid Crystal Conference
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2008-07-01
  • [Presentation] Synthesis and physical properties of a novel ionic liquid crystal oligomer2008

    • Author(s)
      A. Yoshizawa, T. Kawaguchi, R. Terasawa, S. Kubota, M. Sagisaka
    • Organizer
      22^<nd> International Liquid Crystal Conference
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2008-07-01
  • [Presentation] The role of a liquid crystal oligomer in stabilizing an amorphous blue phase III2008

    • Author(s)
      H. Iwamochi, M. Sato, A. Yoshizawa
    • Organizer
      21^<nd> International Liquid Crystal Conference
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2008-07-01
  • [Presentation] Electro-optical switching in a blue phase III stabilized by a chiral liquid crystal oligomer2008

    • Author(s)
      A. Yoshizawa, M. Sato, H. Iwamochi
    • Organizer
      22^<nd> Internatinal Liquid Crystal Conference
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2008-06-30
  • [Presentation] 分子内に秩序を持つ液晶2008

    • Author(s)
      吉澤篤
    • Organizer
      日本液晶学会ソフトマターフォーラム講演会
    • Place of Presentation
      九州大学西新プラザ
    • Year and Date
      2008-06-13
  • [Presentation] 液晶オリゴマーが形成する階層構造2008

    • Author(s)
      吉澤篤
    • Organizer
      第12回液晶化学研究会シンポジウム
    • Place of Presentation
      東京大学山上会館
    • Year and Date
      2008-06-06
  • [Presentation] 新規ビナフチル誘導体の合成とキラリティー由来の物性2008

    • Author(s)
      古川裕太郎, 小林景子, 吉澤篤
    • Organizer
      第12回液晶化学研究会シンポジウム
    • Place of Presentation
      東京大学本郷キャンパス, 山上会館
    • Year and Date
      2008-06-06
  • [Presentation] Electro-optical switching in a blue phase III stabilized by a LC oligomer2007

    • Author(s)
      吉澤篤
    • Organizer
      The 14^<th> International Display Workshops
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-12-06
  • [Presentation] 新規極性二量体液晶の合成と電気光学特性2007

    • Author(s)
      千葉正太, 吉澤篤
    • Organizer
      2007年日本液晶学会討論会
    • Place of Presentation
      東京工業大学大岡山キャンパス
    • Year and Date
      2007-09-13
  • [Presentation] 液晶オリゴマーによるブルー相安定化2007

    • Author(s)
      岩持広賢, 瀬川真平, 佐藤賢忠, 吉澤篤
    • Organizer
      2007年日本液晶学会討論会
    • Place of Presentation
      東京工業大学大岡山キャンパス
    • Year and Date
      2007-09-13
  • [Presentation] 新規二軸性キラル化合物の合成と物性2007

    • Author(s)
      小林景子, 吉澤篤
    • Organizer
      2007年日本液晶学会討論会
    • Place of Presentation
      東京工業大学大岡山キャンパス
    • Year and Date
      2007-09-12
  • [Presentation] ビナフチル誘導体がホストネマチック液晶に誘起するらせん構造2007

    • Author(s)
      小林景子, 吉澤篤
    • Organizer
      2007年日本液晶学会討論会
    • Place of Presentation
      東京工業大学大岡山キャンパス
    • Year and Date
      2007-09-12
  • [Presentation] アイデアが組み込まれた分子が創り出す秩序と揺らぎ2007

    • Author(s)
      吉澤篤
    • Organizer
      2007年日本液晶学会講演会
    • Year and Date
      2007-09-11
  • [Presentation] Synthesis and physical properties of novel dimesogenic compounds possessing both lateral and terminal polar groups2007

    • Author(s)
      S. Chiba and A. Yoshizawa
    • Organizer
      11^<th> International Conference on Ferroelectric Liquid Crystals
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-09-05
  • [Presentation] Host-guest effect on stabilizing a blue phase2007

    • Author(s)
      A. Yoshizawa, H. Iwamochi, S. Segawa, M. Sato
    • Organizer
      11^<th> International Conference on Ferroelectric Liquid Crystals
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-09-04
  • [Presentation] Chirality transfer from a binaphthyl derivative to a host nematic liquid crystal via molecular recognition2007

    • Author(s)
      K Kobayashi, M. Sato and A. Yoshizawa
    • Organizer
      11^<th> International Conference on Ferroelectric Liquid Crystals
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-09-04
  • [Presentation] The helical structure induced by a binaphthyl derivative2007

    • Author(s)
      K. Kobayashi and A. Yoshizawa
    • Organizer
      11^<th> International Conference on Ferroelectric Liquid Crystals
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-09-04
  • [Presentation] Electro-optical switching in a blue phase III stabilized by a novel T-shaped chiral liquid crystal2007

    • Author(s)
      M. Sato, H. Iwamochi, A. Yoshizawa
    • Organizer
      11^<th> International Conference on Ferroelectric Liquid Crystals
    • Place of Presentation
      Sapporo
    • Year and Date
      2007-09-03
  • [Presentation] Chirality transfer from an optically active mesogenic oligomer to macroscopic order in the liquid crystalline phase2007

    • Author(s)
      A. Yoshizawa
    • Organizer
      Materials Conference 8 (MC8) : Advanced Materials by Chemical Design
    • Place of Presentation
      London
    • Year and Date
      2007-07-05

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Published: 2010-06-10   Modified: 2016-04-21  

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