ARTICLE WITH MICROSTRUCTURED LAYER

Article comprising a first, microstructured layer having first and second opposed major surfaces, the first major surface being a microstructured surface; a second layer comprising an adhesive material, and having a first and second opposed major surfaces, wherein at least a portion of the second major surface of the second layer is directly attached to at least a portion of the first major, microstructured surface of the first layer; and a third layer comprising at least one of a crosslinkable or crosslinked composition, and having first and second opposed major surfaces, and wherein at leasta portion of the second major surface of the third layer is directly attached to at least a portion of the first major surface of the second layer. Articles described herein are useful, for example,for optical film applications. For example, an article including a regular prismatic microstructured pattern can act as a totally internal reflecting film for use as a brightness enhancement film; anarticle including a corner-