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dc.contributor.authorHwang, Shug-Juneen_US
dc.contributor.authorJeng, Shie-Changen_US
dc.contributor.authorHsieh, I-Mingen_US
dc.date.accessioned2014-12-08T15:48:35Z-
dc.date.available2014-12-08T15:48:35Z-
dc.date.issued2010-08-02en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://dx.doi.org/10.1364/OE.18.016507en_US
dc.identifier.urihttp://hdl.handle.net/11536/32315-
dc.description.abstractThe pretilt angles of liquid crystal molecules can be controlled by using conventional polyimide (PI) alignment material doped with different concentrations of Polyhedral Oligomeric Silsequioxanes (POSS) nanoparticles, which have been observed to spontaneously induce vertical alignment. The addition of POSS in the homogenous PI changes the surface energy of the alignment layer and generates a variable pretilt angle. Experimental results demonstrate that the pretilt angle. p is a function of the POSS concentration, and can be tuned continuously over the range of 0 degrees<theta(p)<90 degrees. The polar anchoring energy of POSS/PI alignment layer is almost constant regardless of the POSS concentration. This technique is very simple and is compatible with methods familiar in the current LCD industry. (C) 2010 Optical Society of Americaen_US
dc.language.isoen_USen_US
dc.titleNanoparticle-doped polyimide for controlling the pretilt angle of liquid crystals devicesen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/OE.18.016507en_US
dc.identifier.journalOPTICS EXPRESSen_US
dc.citation.volume18en_US
dc.citation.issue16en_US
dc.citation.spage16507en_US
dc.citation.epage16512en_US
dc.contributor.department影像與生醫光電研究所zh_TW
dc.contributor.departmentInstitute of Imaging and Biomedical Photonicsen_US
dc.identifier.wosnumberWOS:000281042400025-
dc.citation.woscount20-
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