Diffuse illumination is the use of the refraction function of the luminaire to control the glare, the light spread around the scattered. This illumination is generally in two forms, one is the light from the lampshade on the top of the Tsunehira reflection, both sides from the translucent lampshade diffusion, the lower part from the grille diffusion. The other is to use a translucent lampshade to close all the light and produce diffuse.This type of lighting has soft light performance, visual comfort and is suitable for bedrooms.