Homeotropic and Planar Orientation of Liquid Crystals on a Photopolylmer Coated Surface Irradiated With UV-Light : Structure and Mechanical and Thermal Properties of Condensed Matter

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概要

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• Homeotropic and planar alignments of liquid crystals have been realized on a photopolymer-coated surface that originally showed no preferred alignment, by irradiating it with polarized and unpolarized UV-light. The photoalignment regulation on the photo-polymer coated surface has been found to be critically dependent on the dosage and state of polarization of the UV-light. A uniform homeotropic alignment is produced when the dosage of the linearly polarized UV-light ranges between 0.1-0.8 J/cm^2 and a planar alignment is produced when the UV-energy ≥ 3 J/cm^2. Irradiating the photopolymer film with unpolarized light also resulted in homeotropic alignment. Both types of the alignment have been found to be stable with time and temperature.

• 社団法人応用物理学会の論文
• 2002-10-01

著者

• Dixit Vivechana

  Liquid Crystalline Materials And Devices Group National Physical Laboratory

• Jain Sukhmal

  Liquid Crystalline Materials And Devices Group National Physical Laboratory

• TANWAR Vinod

  Liquid Crystalline Materials and Devices Group, National Physical Laboratory

• Tanwar Vinod

  Liquid Crystalline Materials And Devices Group National Physical Laboratory

関連論文

• Homeotropic and Planar Orientation of Liquid Crystals on a Photopolylmer Coated Surface Irradiated With UV-Light : Structure and Mechanical and Thermal Properties of Condensed Matter

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