A dynamic micro-structured reflector includes a substrate having a generally
planar
major surface and a plurality of cavities on the planar major surface. Each cavity
having at least a first and second sidewalls set at an angle offset from the planar
major surface. The first sidewall being a stationary optical face and the second
sidewall being a dynamic optical face. The dynamic optical face is deflectable
between a first position and a second position. The dynamic optical face in the
first position redirects more light back to a light source than the dynamic optical
face in the second position. Methods of making a dynamic micro-structured reflector
are also disclosed.