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액정 디스플레이를 위한 트랜스, 트랜스-4-(2-플르로로-3-아이소싸이오싸이아네이토-4-프로필페닐)-4’-알킬바이싸이클로헥실의 합성

Synthesis of trans, trans-4-(2-Fluoro-3-isothiocyanato-4-propylphenyl)-4-alkylbicyclohexyl for Liquid Crystal Display

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Abstract

We designed and synthesized compounds which have negative dielectric anisotropy (N type) for VA-LCD mode. Due to the large dipole moments toward the minor axis of molecule and anisotropy of polarizability, theycan be used as N type LC. F atom and NCS group and propyl group were introduced as substituents on bicy-clohexylbenzene core unit and alkyl chains (propyl~heptyl) were introduced on terminal part. Al of the synthesized com-pounds showed negative dielectric anisotropy as expected.

참고문헌 (6)

  1. "Liq. Cryst.", 26, pp.1743~ (1999)
  2. "Liq. Cryst.", 26, pp.449~ (1999)
  3. Urban, S, "Liq. Cryst.", 26, pp.1817~ (1999)
  4. "Liq. Cryst.", 24, pp.681~ (1998)
  5. "Handbook of Liquid Crystals vol. 2A, Wiley-VCH", pp.47~ (1998)
  6. "Liq. Cryst.", 26, pp.449~ (1999)

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