Holographic display device The invention relates to a holographic display device (1) characterized in that it comprises, mounted or integrated in a support frame (2): - a transparent front surface (3) carrying a delimiting pattern forming a frame; - an intermediate layer (5) with reflective and transmissive optical properties, arranged parallel to and at a distance from the front surface (3); - a rear display screen (6) of images (7), positioned at a distance from the intermediate layer (5), the arrangement comprising the front (3) and rear (6) surfaces and the intermediate layer (5) being configured so as to generate for a spectator a virtual holographic volume in which appears the image (7) displayed on the rear screen (6). Figure to be published with the abstract: Fig. 3
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