Patent ID: 9746156
Date: 2017-08-29
CPC Classifications: A47B,A47F,B44F,E04B,F21S,F21V,F21W,F21Y,G02B

Claim:
1. An illumination system comprising; a plurality of light sources; a reflection board comprising a reflection surface for reflecting light emitted by the light sources; wherein the reflection surface of the reflection board is inscribed with numerous fine grooves arranged approximately straight in parallel or arranged in a curve approximately parallel to each other, further comprising a light source support body for supporting the light sources so as to be positioned in a spaced relationship in front of and facing the reflection surface of the reflection board so a light emitting axis of the respective light sources is directed to the reflection surface of the reflection board, wherein the light source support body comprises a light source support structure spaced away from the reflection board, and positioned on the reflection surface side of the reflection board, wherein the light sources are arranged in a line or in a curved line on the facing side of the light source support body facing the reflection surface of the reflection board, which arrangement of the light sources corresponds to a longitudinal direction of the fine grooves, and wherein two of the light source support bodies are installed facing and close to the reflection surface of the reflection board, and the numerous fine grooves are inscribed between portions facing each light source support body respectively.