Patent ID: 8911101

Claim:
A lava lamp display device, comprising: a frame having an opening at a back side thereof, a permeable vision window at a middle of a front side thereof, and a lamp base and a projection light at a bottom of an inner side thereof; a film-coated glass mounted on the vision window, having a front side with light transmittancy and a reverse side with reflectivity, and the front side of the film-coated glass facing toward an external part of the vision window; a support bracket arranged in the frame and having at least one positioning hole thereon; a transparent bottle corresponding to a height of the vision window arranged in the positioning hole, having a bottom disposed above the projection light, and filled with a filler having a plurality of immiscible liquids; two reflection mirrors fixed on the support bracket, located at a rear side of the transparent bottle, and having reflection surfaces facing forward and a center serving as a reference to define a substantially V-shaped configuration of symmetrical reflection mirrors visually cradling the transparent bottle when viewed through the vision window, wherein the two reflection mirrors are inclined forward to form an angle θ being not parallel with the film-coated glass with 180° angle, and the angle θ is between 160° to 175°; an image of the filler of the transparent bottle is being thereby reflected repeatedly and cumulatively by the two reflection mirrors, whereby shapes visible through the vision window appear in an inward serial arrangement in the middle with and unlimited extension on both sides; and a cover plate arranged at the back opening of the frame.