| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting system simulating the generation of natural light.SOLUTION: A lighting system of this preferred embodiment includes a lamp umbrella-shaped structure comprising a light source for providing light ray of directivity non-diffusion light showing a first color tone-based temperature along a main light ray direction; a bottom body receiving irradiation from its one side of the light source; and a screen structure arranged at a side opposite to the irradiated side of the bottom body. A light passage is defined by the bottom body and the screen structure. A transmitting direction of directivity non-diffusion light is made different at a crossing direction of the light ray, it is substantially in parallel with that of the main light ray in an inside area, its inclination in respect to the main light ray direction is increased as it is spaced apart from the inside area, the bottom body has a diffusion light generating body for producing diffusion light showing a second color tone-based temperature higher than the first color tone-based temperature, and the diffusion light generating body at least partially allows the directivity non-diffusion light of the light ray to penetrate. |
