| abstract |
Finding the surface shape and physical properties required for structures having anti-light reflection performance, light transmission improvement performance, etc., providing structures with surface scratch resistance, etc., and providing such specific structures and physical properties The present invention provides a composition capable of forming a structure having the same, and further provides a composition capable of satisfactorily forming a structure having a large aspect ratio, which is more excellent in antireflection performance and transmission improvement performance of light. That is, the surface has a convex portion having an average height of 100 nm to 1000 nm or a concave portion having an average depth of 100 nm to 1000 nm, and the convex portion or the concave portion has an average period of 100 nm to 400 nm with respect to at least one direction. An existing structure, wherein the (meth) acrylic polymerizable composition is polymerized by light irradiation, electron beam irradiation and / or heating, and has a storage elastic modulus at 180 ° C. or higher. It is a structure characterized by being 0.5 GPa or more. |