Thermal stability of liquid crystals on blended polyimide layers treated by ion beam irradiation

Dai Hyun Kim, Hong Gyu Park, Young Hwan Kim, Byoung Yong Kim, Chul Ho Ok, Jeong Min Han, Dae-Shik Seo

Research output: Contribution to journalArticle

Abstract

We demonstrated the annealing effects displayed by liquid crystal antiparallel cells made from ion beam-irradiated blended polyimide layers. The pretilt angles of the liquid crystals after annealing at 90 -C for 10 min were similar to those before annealing, which demonstrates good thermal stability for liquid crystal antiparallel cells. Contact angle increases as vertical polyimide concentration increases, a trend that corresponds closely to the variation in pretilt angle. Uniform liquid crystal alignment was observed from a photomicrograph. Strong anchoring energies allowed the liquid crystal to maintain homeostasis and withstand thermal stress.

Original languageEnglish
Pages (from-to)717011-717013
Number of pages3
JournalJapanese Journal of Applied Physics
Volume49
Issue number7 PART 1
DOIs
Publication statusPublished - 2010 Jul 1

Fingerprint

polyimides
Polyimides
Liquid crystals
Ion beams
Thermodynamic stability
thermal stability
ion beams
liquid crystals
Irradiation
irradiation
Annealing
annealing
photomicrographs
homeostasis
thermal stresses
cells
Thermal stress
Contact angle
alignment
trends

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Kim, Dai Hyun ; Park, Hong Gyu ; Kim, Young Hwan ; Kim, Byoung Yong ; Ok, Chul Ho ; Han, Jeong Min ; Seo, Dae-Shik. / Thermal stability of liquid crystals on blended polyimide layers treated by ion beam irradiation. In: Japanese Journal of Applied Physics. 2010 ; Vol. 49, No. 7 PART 1. pp. 717011-717013.
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Thermal stability of liquid crystals on blended polyimide layers treated by ion beam irradiation. / Kim, Dai Hyun; Park, Hong Gyu; Kim, Young Hwan; Kim, Byoung Yong; Ok, Chul Ho; Han, Jeong Min; Seo, Dae-Shik.

In: Japanese Journal of Applied Physics, Vol. 49, No. 7 PART 1, 01.07.2010, p. 717011-717013.

Research output: Contribution to journalArticle

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