Pretilt angle generation by UV exposure during imidization of polyimide

D. S. Seo; H. K. Kim; H. J. Jeon

doi:10.1080/02678290010015306

Pretilt angle generation by UV exposure during imidization of polyimide

D. S. Seo, H. K. Kim, H. J. Jeon

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We investigated pretilt angle generation and liquid crystal (LC) alignment by ultraviolet exposure during the imidization of polyimide (PI). The generated pretilt angle of a nematic (N) LC using an in situ photo-alignment method is smaller than that using a conventional photo-alignment method on a surface of PI having side chains. The NLC pretilt angles using an in situ photo-alignment method injected at isotropic phase increased with annealing were observed.

Original language	English
Pages (from-to)	313-316
Number of pages	4
Journal	Liquid Crystals
Volume	28
Issue number	2
DOIs	https://doi.org/10.1080/02678290010015306
Publication status	Published - 2001

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1080/02678290010015306

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title = "Pretilt angle generation by UV exposure during imidization of polyimide",

abstract = "We investigated pretilt angle generation and liquid crystal (LC) alignment by ultraviolet exposure during the imidization of polyimide (PI). The generated pretilt angle of a nematic (N) LC using an in situ photo-alignment method is smaller than that using a conventional photo-alignment method on a surface of PI having side chains. The NLC pretilt angles using an in situ photo-alignment method injected at isotropic phase increased with annealing were observed.",

author = "Seo, {D. S.} and Kim, {H. K.} and Jeon, {H. J.}",

year = "2001",

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AU - Seo, D. S.

AU - Kim, H. K.

AU - Jeon, H. J.

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N2 - We investigated pretilt angle generation and liquid crystal (LC) alignment by ultraviolet exposure during the imidization of polyimide (PI). The generated pretilt angle of a nematic (N) LC using an in situ photo-alignment method is smaller than that using a conventional photo-alignment method on a surface of PI having side chains. The NLC pretilt angles using an in situ photo-alignment method injected at isotropic phase increased with annealing were observed.

AB - We investigated pretilt angle generation and liquid crystal (LC) alignment by ultraviolet exposure during the imidization of polyimide (PI). The generated pretilt angle of a nematic (N) LC using an in situ photo-alignment method is smaller than that using a conventional photo-alignment method on a surface of PI having side chains. The NLC pretilt angles using an in situ photo-alignment method injected at isotropic phase increased with annealing were observed.

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ER -

Pretilt angle generation by UV exposure during imidization of polyimide

Abstract

All Science Journal Classification (ASJC) codes

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