Preprints of symposium on liquid crystals
Online ISSN : 2432-9959
Print ISSN : 1880-3539
ISSN-L : 1880-3539
23rd Symposium on Liquid Crystals
Session ID : 2AA01
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Name : 23rd Symposium on Liquid Crystals

Number : 23

Location : [in Japanese]

Date : September 25, 1997 - September 27, 1997

Influence of Surface Liquid Crystal Aligning Order on Electro-optical Characteristics of Twisted-Nematic LCDs
*Fumihiko FUJISHIRO, Kohki HIROSHIMA
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Abstract
Effects of the surface LC alignment order on electro-optical characteristics of twisted nematic LCDs were studied, experimentally. Surface aligning order was controlled by changing magnetic field strength in MOLCA (Magnetically Oriented Liquid Crystalline Adsorbate) treatment. By deteriorating the order, the area of contrast ratio above 10:1 and without any gray scale inversion shifted vertically downward, compared with conventional rubbing TN-LCD. The transitions in chromaticity diagram with changing of viewing angle at 3 volts rms were greatly suppressed. Moreover, response time in decay was shortened.
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© 1997 The Japanese Liquid Crystal Society
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