DGIST Scholar: Ultraviolet embossed alignment layers having patterned spacers for flexible liquid crystal display

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Ultraviolet embossed alignment layers having patterned spacers for flexible liquid crystal display

Title: Ultraviolet embossed alignment layers having patterned spacers for flexible liquid crystal display

Author(s): Hah, Hyun Dae ; Sung, Shi-Joon ; Han, Man Hee ; Lee, Seung S ; Park, Jung Ki

Keywords: Abs Resins ; Alignment ; Alignment Layers ; Bending Processes ; Display Devices ; FILMS ; Flexible Liquid Crystal Display ; Flexible Liquid Crystal Displays ; Isotropic Configurations ; Lc Alignments ; Lc Cells ; Lc Molecules ; Polymer Walls ; Light Sources ; Liquid Crystal Displays ; Liquid Crystal Polymers ; Liquid Crystals ; Manufacturing ; Mechanical Properties ; Mechanical Stability ; Polymers ; Monomers ; Phase Stability ; PHOTOPOLYMERIZATION ; Powders ; Residual Monomers ; Residual Monomers in the Phase-Separated Polymer Walls ; Spurious Signal Noise ; Ultra-Violet ; UV embossed Alignment Layers Having Patterned Spacers

Abstract: Ultraviolet (UV) embossed alignment layers having patterned spacers for the flexible liquid crystal display (LCD) were designed and fabricated to prevent the problems caused by residual monomers in photopolymerization-assisted manufacturing of liquid crystal (LC) devices. UV embossed alignment layers with patterned spacers provided mechanical stability and better alignment properties of LC molecules in a bent environment, compared with LC device with the phase-separated polymer walls. In the patterned spacers of UV embossed LC cell, the column-shaped spacer which has isotropic configuration of spacers provided good LC alignment during bending process. © 2008 Elsevier B.V. All rights reserved.