| 초록 |
Since the first research by Ichimura et al in 1988, a considerable amount of research has been devoted towards photo-induced alignment of liquid crystals using polarized irradiation of a polymer film. This non-contact alignment technique is based on the generation of a surface anisotropy of a photoreactive polymer film by photochemical means. The photoalignment technique, which generates no static charge or dust, is attractive as a promising alternative of the mechanical rubbing process to be used in the next generation of displays, such as large area, multi-domain, vertically-aligned, and/or in-plane switching mode displays, because it can provide wider view angle of LCD by using a multi-domain technique, and is also workable in large size panel fabrication. In this presentation, several new photo-alignment materials developed in SPLEO at Chonbuk National University based on photo-sensitive aromatic polymers will be introduced, and their alignment performance will be discussed. |
