Light modulation element, exposure unit, and flat-panel display unit

摘要

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechanical operation and light emission of the phosphor 13 excited by the guided light is controlled.