PURPOSE: To display much more information on a back cover of a screen through projecting information of a projector TV in addition to information of a OHP sheet by using a projector TV flood-light as a light source.

CONSTITUTION: When this device is used as a projector, firstly, an image reflecting mirror 38 is raised by turning it in the direction of arrow D, then, is fixed by means of a stay 39. Next, an OHP sheet 46 is put on a document stage 44, and a power source switch is turned on, and a mirror 45 is set in a prescribed position in the direction of arrow F. Then, an image to be used as a light source is selected by operating a selector button. The image is output from TV, VTR / PC, FAX etc. or white light. In the case of white light, image of an OHP sheet alone is projected. When an OHP sheet is not put on the document stage 44, image from a projector TV floodlight 42 alone is projected. The image light projected from the floodlight 42 reflects at the mirror 45, and is condensed by means of a lens 47 after passing a Fresnel lens 84, the document stage 44 and the OHP sheet 46, and then is projected on a screen 36 after reflecting again at a mirror 38.