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Abstract : <br /> <br /> <br /> <br /> <br /> Liquid crystal MBBA which is doped with 2.11, 4.22 and 6.33 mole-% chiral molecule, CB15, exhibits a significant increase in its mesophase - isotropic transition temperature. CB15 induces phase change from nematic to ch...

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Main Author: (NIM 248 98 002), Arnida
Format: Theses
Language:Indonesia
Online Access:https://digilib.itb.ac.id/gdl/view/7322
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Institution: Institut Teknologi Bandung
Language: Indonesia
id id-itb.:7322
spelling id-itb.:73222017-10-09T10:20:25Z#TITLE_ALTERNATIVE# (NIM 248 98 002), Arnida Indonesia Theses INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/7322 Abstract : <br /> <br /> <br /> <br /> <br /> Liquid crystal MBBA which is doped with 2.11, 4.22 and 6.33 mole-% chiral molecule, CB15, exhibits a significant increase in its mesophase - isotropic transition temperature. CB15 induces phase change from nematic to chiral nematic or cholesteric and shows two different textures that are lamellar and focal conic fan. The inverse pitch of cholesteric phase is a function of mole percentage of the chiral dopant. By applying an electric field across pixel reorients optical axis of liquid crystal and reduce the transmitted light through a cross polarizer system. Pixel of pure MBBA with 10 um cell gap indicates a threshold voltage of 3 volt and 3 - 7.5 volt for pixel of MBBA doped with 2.11% CB15 with cell gap of 20 um. Chiral nematic phase gives a sharper electro-optic respons curve. <br /> text
institution Institut Teknologi Bandung
building Institut Teknologi Bandung Library
continent Asia
country Indonesia
Indonesia
content_provider Institut Teknologi Bandung
collection Digital ITB
language Indonesia
description Abstract : <br /> <br /> <br /> <br /> <br /> Liquid crystal MBBA which is doped with 2.11, 4.22 and 6.33 mole-% chiral molecule, CB15, exhibits a significant increase in its mesophase - isotropic transition temperature. CB15 induces phase change from nematic to chiral nematic or cholesteric and shows two different textures that are lamellar and focal conic fan. The inverse pitch of cholesteric phase is a function of mole percentage of the chiral dopant. By applying an electric field across pixel reorients optical axis of liquid crystal and reduce the transmitted light through a cross polarizer system. Pixel of pure MBBA with 10 um cell gap indicates a threshold voltage of 3 volt and 3 - 7.5 volt for pixel of MBBA doped with 2.11% CB15 with cell gap of 20 um. Chiral nematic phase gives a sharper electro-optic respons curve. <br />
format Theses
author (NIM 248 98 002), Arnida
spellingShingle (NIM 248 98 002), Arnida
#TITLE_ALTERNATIVE#
author_facet (NIM 248 98 002), Arnida
author_sort (NIM 248 98 002), Arnida
title #TITLE_ALTERNATIVE#
title_short #TITLE_ALTERNATIVE#
title_full #TITLE_ALTERNATIVE#
title_fullStr #TITLE_ALTERNATIVE#
title_full_unstemmed #TITLE_ALTERNATIVE#
title_sort #title_alternative#
url https://digilib.itb.ac.id/gdl/view/7322
_version_ 1820664121717161984

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