A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.

A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.

A vehicle mountable holographic promoting system and method of use; the vehicle mountable holographic promoting system includes a body with at least one light, a mount, and a controller in communication with a software application and the body. The body is mountable to the vehicle via the mount. The mount is able to be removably attachable or otherwise secured to roof of a vehicle. The controller controls the body such that the body is able to visually promote via an image display at least one promotable item using the at least one light. The promotable item appearing to float on a plane above the vehicle.

The present disclosure relates to a rotary-type display apparatus using, for example, a light emitting diode (LED) which is a semiconductor light-emitting device, wherein the apparatus can be applied to technical fields related to display apparatuses. According to the present invention, a rotatory-type display apparatus using a light-emitting device comprises: a fixing part including a motor; a rotating part located on the fixing part and rotated by the motor; and a light source module which includes at least two rod-shaped panels coupled to the rotating part and arranged radially, and light-emitting device arrays respectively disposed on the panels in the longitudinal direction, wherein the height of the at least two panels from the rotating part may be different.

The present disclosure relates to a rotary-type display apparatus using, for example, a light emitting diode (LED) which is a semiconductor light-emitting device, wherein the apparatus can be applied to technical fields related to display apparatuses. According to the present invention, a rotatory-type display apparatus using a light-emitting device comprises: a fixing part including a motor; a rotating part located on the fixing part and rotated by the motor; and a light source module which includes at least two rod-shaped panels coupled to the rotating part and arranged radially, and light-emitting device arrays respectively disposed on the panels in the longitudinal direction, wherein the height of the at least two panels from the rotating part may be different.

A grating painting device based on fixed viewing angle is disclosed, which includes a painting board, a grating board, a support frame and a reciprocating moving mechanism, the grating board is arranged above the painting board, the support frame is fixed at the bottom of the painting board, the support frame is arranged perpendicular to the painting board, and the reciprocating movement mechanism is arranged on the support frame. The reciprocating mechanism is used to drive the support frame to move, and then the painting board is driven to move left and right, and the moving distance is guaranteed to be a multiple of more than 1/N (N is the number of lines of the grating board) inches. Under the condition that the observation position is unchanged, multiple pictures can be seen to appear continuously, and a animation or video can be visually experienced to be repeatedly displayed on the pictures.

A display apparatus includes: an irradiation section to be irradiated with image light while being driven to cause a three-dimensional image be displayed based on reflected image light in a manner visible to a user using an afterimage effect; a driver that drives the irradiated section; circuitry that acquires two-dimensional image data generated according to at least one of an angle or a position of the irradiation section being driven; and an irradiation device that irradiates the irradiated section with the image light based on the two-dimensional image data that is acquired.

A display apparatus includes: an irradiation section to be irradiated with image light while being driven to cause a three-dimensional image be displayed based on reflected image light in a manner visible to a user using an afterimage effect; a driver that drives the irradiated section; circuitry that acquires two-dimensional image data generated according to at least one of an angle or a position of the irradiation section being driven; and an irradiation device that irradiates the irradiated section with the image light based on the two-dimensional image data that is acquired.

A floating image-type control device, an interactive display system and a floating control method are provided. The floating image-type control device includes a rotation component and a control component. The rotation component includes a fixing portion, a bearing body and a rotation shaft. The rotation shaft is connected to the bearing body. The rotation shaft rotates relative to the fixing portion to drive the bearing body to rotate. The control component includes an image capturing unit, a zero-point calibration unit and an image analysis unit. The image capturing unit is disposed on the bearing body. The image capturing unit rotates with the bearing body and continuously captures several images. The zero-point calibration unit is used to send a zero-point signal when the bearing body rotates to a predetermined angle. The image analysis unit is used to obtain an operation signal based on the images and the zero-point signal.

An image display apparatus including one or more virtual-image screens, a display section, and a display control unit. The one or more virtual-image screens are arranged to cover at least a part of a periphery of a predetermined axis, display a virtual image of a projected image by using the predetermined axis as a basis, and are transparent. The display section has one or more display surfaces that display a plurality of viewpoint images in mutually different directions and project the plurality of displayed viewpoint images onto the one or more virtual-image screens, respectively, the plurality of viewpoint images being images of a display target as viewed from mutually different directions. The display control unit displays, a virtual image of the display target that is visible from a second direction extending toward the predetermined axis from the observation point.