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

Jeoung Yeon Hwang, Dae Shik Seo

Research output: Contribution to journalArticle

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 languageEnglish
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume41
Issue number1 A/B
Publication statusPublished - 2002 Jan 15

Fingerprint

photopolymers
liquid crystals
alignment
transmittance
cells
linkages
esters
dissociation
electric potential

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

@article{37522f0e72314ea3a237209727a28929,
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.",
author = "Hwang, {Jeoung Yeon} and Seo, {Dae Shik}",
year = "2002",
month = "1",
day = "15",
language = "English",
volume = "41",
journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes",
issn = "0021-4922",
publisher = "Japan Society of Applied Physics",
number = "1 A/B",

}

TY - JOUR

T1 - Electro-optical characteristics in the photoaligned vertical-alignment cell on a photopolymer surfaces containing N-(phenyl)maleimide

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.

UR - http://www.scopus.com/inward/record.url?scp=0037082094&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037082094&partnerID=8YFLogxK

M3 - Article

VL - 41

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes

SN - 0021-4922

IS - 1 A/B

ER -