Electro-optical characteristics in the photoaligned vertical-alignment cell on a photopolymer surfaces containing N-(phenyl)maleimide

Jeoung Yeon Hwang; Dae Shik Seo

doi:10.1143/jjap.41.l58

Electro-optical characteristics in the photoaligned vertical-alignment cell on a photopolymer surfaces containing N-(phenyl)maleimide

Jeoung Yeon Hwang, Dae Shik Seo

Department of Electrical and Electronic Engineering

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

7 Citations (Scopus)

Abstract

A new photoalignment material, PMI5CA, poly{N-(phenyl)maleimide-co-3-[4-(pentyloxy)cinnamate]propyl-2-hydroxy-1-methacr ylate}, was synthesized and the electro-optical (EO) characteristics in the vertical-aligned (VA) photoaligned liquid crystal display (LCD) were studied. Excellent voltage-transmittance (V-T) characteristics were achieved in the photoaligned VA-LCD with polarized UV exposure in an oblique direction (θ = 60°) on PMI5CA surfaces. The transmittance of the photoaligned VA-LCD decreased with increasing UV exposure time. This suggests that the decrease in transmittance in the photoaligned VA-LCD may be attributed to the dissociation of the ester linkages in the cinnamate structure which are photodimerized witch increasing UV exposure time.

Original language	English
Pages (from-to)	L58-L61
Journal	Japanese Journal of Applied Physics
Volume	41
Issue number	1 A/B
DOIs	https://doi.org/10.1143/jjap.41.l58
Publication status	Published - 2002 Jan 15

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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title = "Electro-optical characteristics in the photoaligned vertical-alignment cell on a photopolymer surfaces containing N-(phenyl)maleimide",

abstract = "A new photoalignment material, PMI5CA, poly{N-(phenyl)maleimide-co-3-[4-(pentyloxy)cinnamate]propyl-2-hydroxy-1-methacr ylate}, was synthesized and the electro-optical (EO) characteristics in the vertical-aligned (VA) photoaligned liquid crystal display (LCD) were studied. Excellent voltage-transmittance (V-T) characteristics were achieved in the photoaligned VA-LCD with polarized UV exposure in an oblique direction (θ = 60°) on PMI5CA surfaces. The transmittance of the photoaligned VA-LCD decreased with increasing UV exposure time. This suggests that the decrease in transmittance in the photoaligned VA-LCD may be attributed to the dissociation of the ester linkages in the cinnamate structure which are photodimerized witch increasing UV exposure time.",

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AU - Hwang, Jeoung Yeon

AU - Seo, Dae Shik

PY - 2002/1/15

Y1 - 2002/1/15

N2 - A new photoalignment material, PMI5CA, poly{N-(phenyl)maleimide-co-3-[4-(pentyloxy)cinnamate]propyl-2-hydroxy-1-methacr ylate}, was synthesized and the electro-optical (EO) characteristics in the vertical-aligned (VA) photoaligned liquid crystal display (LCD) were studied. Excellent voltage-transmittance (V-T) characteristics were achieved in the photoaligned VA-LCD with polarized UV exposure in an oblique direction (θ = 60°) on PMI5CA surfaces. The transmittance of the photoaligned VA-LCD decreased with increasing UV exposure time. This suggests that the decrease in transmittance in the photoaligned VA-LCD may be attributed to the dissociation of the ester linkages in the cinnamate structure which are photodimerized witch increasing UV exposure time.

AB - A new photoalignment material, PMI5CA, poly{N-(phenyl)maleimide-co-3-[4-(pentyloxy)cinnamate]propyl-2-hydroxy-1-methacr ylate}, was synthesized and the electro-optical (EO) characteristics in the vertical-aligned (VA) photoaligned liquid crystal display (LCD) were studied. Excellent voltage-transmittance (V-T) characteristics were achieved in the photoaligned VA-LCD with polarized UV exposure in an oblique direction (θ = 60°) on PMI5CA surfaces. The transmittance of the photoaligned VA-LCD decreased with increasing UV exposure time. This suggests that the decrease in transmittance in the photoaligned VA-LCD may be attributed to the dissociation of the ester linkages in the cinnamate structure which are photodimerized witch increasing UV exposure time.

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Electro-optical characteristics in the photoaligned vertical-alignment cell on a photopolymer surfaces containing N-(phenyl)maleimide

Abstract

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