Light diffuser.

摘要

An edge-lighting type light diffuser is disclosed which has a plane of light incidence (1), a light transmitting means (3) and a plane of light emission (2). The light transmitting means is composed of a laminate of a plurality of light-transmissible plates (5). This structure provides a light diffuser capable of uniform plane illumination usable for sign boards, large-sized display devices, display devices for various types of machinery, and liquid crystal devices.