| 摘要 |
PROBLEM TO BE SOLVED: To obtain a photo-alignment layer giving large anchoring force with a low luminous energy. SOLUTION: The photo-alignment layer composition contains an azo compound expressed by general formula (1) and a polymerizable compound expressed by general formula (2). The method for manufacturing the photo-alignment layer comprises applying the above photo-alignment layer composition on a substrate, irradiating the coating film with light having anisotropy, and heating the composition at 100 to 200°C. In the formulae, A<SP>1</SP>to A<SP>4</SP>and X<SP>a</SP>, X<SP>b</SP>represent substituents, R<SP>2</SP>, R<SP>3</SP>, Y<SP>1</SP>, Y<SP>2</SP>represent linking groups as combined, and Q<SP>1</SP>and Q<SP>2</SP>represent reactive functional groups. COPYRIGHT: (C)2007,JPO&INPIT
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