Patent ID: 6288760
Filing Date: 2001-09-11
Classification: G02B,G02F

Abstract:
A front illumination device comprising a light source and a light-conducting body which guides light from said light source to an object to be illuminated, said front illumination device to be used by mounting in front of said illuminated object, wherein:said light-conducting body includes a first light-conducting body provided with a light-entry surface, through which light from said light source enters, and a second light-conducting body provided with a light exit surface, through which light exits toward said illuminated object;said first light-conducting body guides light from said light-entry surface to said second light-conducting body;said second light-conducting body is provided so that light exiting therefrom exits in a direction closer to a normal direction of said light exit surface of said second light-conducting body than a direction in which light, guided by said first light-conducting body from said light-entry surface toward said second light-conducting body, strikes said light exit surface of said first light-conducting body; andsaid second light-conducting body is a light-scattering body, which scatters light.