Illumination system and projection device

The utility model discloses a lighting system and projection equipment, and belongs to the technical field of projection. The lighting system comprises a light source assembly, a reflecting plate and a digital micromirror device. The reflecting area of the reflecting plate can guide at least part of light beams emitted by the light source assembly to the digital micromirror device. Wherein a first specified distance is formed between the center of a light spot, irradiated by a light beam emitted by the light source assembly, on the reflecting plate and the center of the reflecting region, so that the reflecting region of the reflecting plate can cut the light spot provided by the light source assembly, and the cut light spot is reflected to the digital micromirror device; the area of flat light spots generated by the digital micro-mirror device can be small, so that the flat light spots entering the projection lens are reduced, and the contrast ratio of the illumination system can be improved. 本实用新型公开了一种照明系统和