Abstract
In this article, we disclose a method to fabricate polymer-stabilised azo-dye photo alignment layers for liquid crystal. The idea includes the introduction of polymer network in the alignment layer, in optimal concentration, followed by two-step irradiation. The stabilised photo-alignment layer has been explored for different aspects of the display-related parameters, viz. anchoring energy, stability for various display-related environments as a function of concentration of monomer and irradiation, residual DC and voltage holding ratio. The composite photo-alignment layer offers well-suited parameters for the liquid crystal alignment and therefore could find application in a variety of modern photonic and display devices.
| Original language | English |
|---|---|
| Pages (from-to) | 1465-1472 |
| Number of pages | 8 |
| Journal | Liquid Crystals |
| Volume | 41 |
| Issue number | 10 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
Keywords
- Azo-dyes
- Ferroelectric liquid crystals
- Photo-alignment
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