| abstract |
A volume hologram layer ( 2 ) is formed on a substrate ( 1 ), and a cholesteric liquid crystal layer ( 3 ) is then formed on the hologram layer ( 2 ). After the substrate ( 1 ) is peeled off the volume hologram layer ( 2 ), an adhesive layer ( 4 ) is formed on the surface of the volume hologram layer ( 2 ) with the substrate ( 1 ) peeled off, and another substrate ( 5 ) is then formed on the adhesive layer ( 4 ). Finally, a label form of cholesteric liquid crystal medium having a volume hologram is shaped out of the resulting multilayer structure; it is thus possible to fabricate cholesteric liquid crystal media having a volume hologram with efficiency yet without recourse to any complicated steps such as an alignment step. |