Portable display device

The utility model relates to a portable display device, which is provided with a head rack with a fixing structure. A display device is arranged on the front part of the head rack. An installing structure rack of a lens is arranged in the display device, and the top end of the installing structure rack of a lens is provided with a liquid crystal micro displayer; one side at the middle of the installing structure rack of a lens is vertically provided with a composite lens; a translucency and half reflection lens is tilted on one side on the installing structure rack of a lens corresponding to the composite lens which is composed of a plane-convex lens, and the convex surface of the plane-convex lens is coated with a reflecting film. The liquid crystal micro displayer is provided with a three-color scan-round backlight source. The utility model has the advantages that a light path is simple, amplified virtual image display can be obtained, the portable display device has a function for arbitrarily adjusting visibility, the amplifying field angle of a picture is large, aberration and color difference are small, etc.