Optical fiber light guiding large screen device

The invention discloses an optical fiber light guiding large screen device. The device comprises a supporting frame, a projection device, a base box, a light guiding plate, a housing, a projection region and a stereo, the base box is fixedly installed on the upper side of the supporting frame, the base box is internally provided with the projection device and the projection region, the projectionregion is arranged on the upper side of the projection device, the stereo is arranged at the front side of the base box, the housing is arranged on the upper side of the base box, the light guiding plate is arranged between the housing and the base box, an optical fiber light guiding imaging screen is arranged in the housing, and the optical fiber light guiding imaging screen is composed of an illuminating layer, a light expanding layer and a filtering protecting layer. The device has the advantages that optical fibers are adopted to guide light, the efficiency is good, the screen unit energyconsumption per square met