Abominable impurity-ion charge paralyzed in a nematic liquid crystal display

Hui Yu Chen, Wei Lee*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Regardless of their origins, impurity ions existing in liquid-crystal cells have long been a nuisance for the liquid-crystal display industry. To solve the problems caused by the ions, current strategy is to employ high-resistivity liquid-crystalline materials with a low concentration of impurity ions and to address the displays in ac to avoid surface polarization, which would otherwise lead to the field screening and, in turn, degrade the electro-optical performance of the devices. In this paper, we briefly summarize some of our early experimental observations that invariably show the suppression of the ion-charge effect by carbon nanotubes as an additive to a cell composed of a low-resistivity liquid-crystal mixture. It is emphasized that the inclusion of an adequate amount of the nanodopant in the cell dramatically the concentration of mobile ions.

Original languageEnglish
Title of host publicationSociety for Information Display - 10th Asian Symposium on Information Display 2007, ASID'07
Pages329-335
Number of pages7
StatePublished - 1 Dec 2007
Event10th Asian Symposium on Information Display, ASID'07 - Singapore, Singapore
Duration: 2 Aug 20073 Aug 2007

Publication series

NameSociety for Information Display - 10th Asian Symposium on Information Display 2007, ASID'07

Conference

Conference10th Asian Symposium on Information Display, ASID'07
CountrySingapore
CitySingapore
Period2/08/073/08/07

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