99 results about "Spherical display" patented technology

A spherical display and control device, that is preferably collapsible between a spherical configuration and a collapsed generally cylindrical ellipsoid configuration, comprising a flexible transparent spherical surface sprung attached to a central hinged modular cube assembly that contains digital displays on outward faces, and circuitry, battery units and electronic modules on inward surfaces, where said sphere surface contains surface position sensing layers and said central cube contains gyroscopic and inertial sensing devices to provide spherical rotation, and physical displacement data for three dimensional control applications, where said displays preferably have curved polarizer lenses such that the overall device appears as a spherical display or are flat to form an overall Cuboid display or are combined with a flexible spherical display surfaces. The overall device being mechanically biased such that it is Bi-stable between the spherical and collapsed configuration via the action of pulling open and rotating the central cube halves.

The invention relates to a high-efficiency processing method for a spherical display and rotary output image of a projector. The method comprises the following steps of: taking a planar rectangular image to be projected as a source image, taking a spherical display output image of the projector as a target image, establishing a source image coordinate system, a target image coordinate system and a spherical coordinate system, and dividing the target image into a plurality of grids; converting the pixel coordinates of the vertexes of the grids of the target image into three-dimensional coordinates under the spherical coordinate system, performing rotation transformation on the three-dimensional coordinates, and converting the three-dimensional coordinates into coordinates under a polar coordinate system; obtaining the pixel coordinates of the source image according to the coordinates under the polar coordinate system, taking the pixel coordinates as texture coordinates of the vertexes of the grids which correspond to the target image, taking the source image as a texture chartlet, and rendering and outputting the colors of the pixel points of the target image through the graphics processor of a graphics card according to the vertexes of the grids, the texture coordinates and the texture chartlet. According to the method, the spherical display effect of the projection on the spherical screen is improved, and the rotation efficiency of the spherical display can be improved through high-efficiency processing of the rotation image.

A spherical electronic display is disclosed that includes a spherical display screen that is able to display electronically generated images on its surface using electronic display technology included in the surface, and an electronic control unit in communication with the spherical display screen, the electronic control unit being able to cause the spherical display screen to display images. The electronically controlled spherical display uses low energy display technology, such as LCD and/or OLED electronics, included within the spherical surface. This approach avoids the need to project images onto a spherical screen, and thereby avoids any need for high energy optical projectors and their associated costs and maintenance requirements. The spherical display is connectable to an electronic control unit that can be located either within the sphere or within a support base. The electronic control unit can be a conventional computer or a self-contained, dedicated controller.

The invention provides a simulation method for concurrent computation. The invention designs a visual-view transformation and multi-channel display controller. The method comprises the following steps of: presetting a display and storage units corresponding to projectors in Ramdisk according to different projection curves of all projectors in three-dimensional space; sending each extracted frame plane figure to an image processor from an interface of a visual-view generating system; processing each extracted frame plane figure by the image processor to realize the three-dimensional transformation and nonlinear distortion correction of the plane figures from plane projection to a spherical surface; then synchronously writing zones corresponding to the three-dimensional curves into the Ramdisk display and storage unit corresponding to each projector according to the three-dimensional curves corresponding to all projectors according to refreshing signals to accomplish three-dimensional display. The design scheme for image processing operation and display output control in a concurrent computation mode greatly improves the processing speed of the system and ensures the requirement of a virtual reality simulation system on real-time performance.

The invention relates to a processing method of a projector spherical display and a rotary output image. The processing method of the projector spherical display and the rotary output image includes that a to-be-projected plane rectangular image is taken as a source image and an image outputted by a projector spherical display is taken as a target image, a source image coordinate system, a target image coordinate system and a spherical coordinate system are built firstly, a pixel coordinate of the target image is converted to a three-dimensional coordinate under the spherical coordinate system according to optical path characteristics of a fish-eye lens, and then a rotating transformation is conducted to the three-dimensional coordinate, the three-dimensional coordinate after the rotating transformation is converted to a coordinate under a polar coordinate system, and then a pixel coordinate of the source image can be obtained according to the coordinate under the polar coordinate system. Pixel color output of corresponding pixel coordinate of the target image can be conducted according to the pixel color of the obtained pixel coordinate of the source image. The processing method of the projector spherical display and the rotary output image is capable of solving the problem of image transformation, rotating on any shafts on a spherical screen, and improving spherical display effects projected on the spherical screen.

The invention provides a system and a method for superimposing multiple projectors on the basis of stereoscopic display. Brightness is strengthened by a multi-projector superimposing mode, and pictures projected by each projector to a spherical screen are processed in advance, so that the pictures projected by the multiple projectors to the spherical screen are perfectly coincided, and purposes of strengthening the display brightness of the large spherical display and lowering cost are achieved. In addition, the system is simple in installation and debugging, and requirements on manufacture of displayed materials are low. The system comprises the spherical screen, a computer and two or more projectors; each projector is provided with a fish-eye lens; an opening is arranged at the lower end of the spherical screen; the fish-eye lenses are arranged in the center of the opening, and light emitted by the projectors are respectively projected to the spherical screen via the fish-eye lenses; and the computer is connected with each projector and used for controlling the pictures projected from the projector to the spherical screen, so that images projected from the projectors to the spherical screen are completely coincided.

The invention discloses an eyepiece system and a head-mounted display device. The eyepiece system a spherical display screen and a Fresnel lens which are sequentially arranged along the incident direction of light; the center line of the spherical display screen is overlapped with a horizontal line where the optical axis of the Fresnel lens is located; the spherical display screen protrudes towards the Fresnel lens; and the Fresnel lens is provided with a first surface protruding towards a light path diaphragm and a second surface protruding towards the spherical display screen. According to the eyepiece system provided by the technical schemes of the invention, a Fresnel lens and spherical display screen-combined technical means is adopted; the surface shapes of the Fresnel lens are reasonably set, so that the focal power of the eyepiece system can be shared, and the astigmatism of the system can be reduced; and the spherical display screen is set reasonably, so that the curvature of field of the system can be decreased, and edge imaging quality can be improved.

The invention discloses a triangular light emitting diode (LED) display screen module, which comprises a regular triangular LED module and an inverted triangular LED module, wherein each triangular LED display screen module comprises a triangular bottom shell, a triangular mask which is matched with the triangular bottom shell, a triangular printed circuit board (PCB) which is installed between the triangular bottom shell and the triangular mask and at least three LEDs which are installed on the front surface of the triangular PCB; and a triangle formed by connecting lines of center points of any three adjacent LEDs is similar to the triangle of the triangular LED display screen module. The invention also discloses a display screen comprising the triangular LED display screen module. The triangular LED display screen module and the display screen are ingenious in design, low in cost and high in construction efficiency; and the triangular LED display screen modules are spliced into a polygonal and spherical display screen according to the requirement, and the technical improvement with prominent characteristics and display progress can be made.

The invention discloses a frame-free internal spherical image displayer, and belongs to the field of display technologies and simulation display technologies. The frame-free internal spherical image displayer comprises a displayer body, an inner spherical image amplification guide screen, a lined adhesive, strong double faced adhesive tape and a fixed steel band or non-stretch adhesive tape. The inner spherical image amplification guide screen and imaging glass of the displayer body are bonded together through a wet glass lined adhesive method or a liquid crystal lined adhesive method, and the inner spherical image amplification guide screen and the imaging glass of the displayer body are installed back to an original displayer module again, wherein the inner spherical image amplification guide screen and the imaging glass of the displayer body are fixed together. The inner spherical image amplification guide screen, the imaging glass of the displayer body and an outer frame of the original display module are connected into a whole through the strong double faced adhesive tape and the fixed steel band or the non-stretch adhesive tape. The frame-free internal spherical image displayer can be widely used for film and television display, simulation display, game machine display and other places. The frame-free internal spherical image displayer has the advantages that a narrow-frame two-dimensional displayer is transformed into the frame-free internal spherical displayer which achieves an internal spherical display image and is more suitable for human eye ecology.

The invention provides an LED (Light-Emitting Diode) spherical display screen, which comprises a plurality of spherical units and a display panel bracket, wherein the spherical units are connected with one another, and are supported by using the display panel bracket, so that a spherical display screen is formed; the spherical units consist of a plurality of gourd ladle-shaped display panel assemblies; each display panel assembly comprises a plurality of warp spokes and weft spokes; the warp spokes and the weft spokes are meshed together through a plurality of rabbets, and are connected with the display panel bracket through screws; each display panel assembly further comprises an LED lamp panel arranged on the display panel bracket, an LED lamp arranged on the LED lamp panel, a power supply which is connected with the LED lamp panel, and a unit control board which is connected with the power supply; and the unit control boards are used for controlling the LED lamps on the LED lamp panels. In the LED spherical display screen, each display assembly is assembled through the plurality of warp spokes and weft spokes by means of the rabbets, can be detached into single components during transportation, and is assembled when required to be used, so that the accuracy is high, and convenience is brought to transportation.

The invention discloses a desktop display system and method, which are applied to an electronic device. The electronic device comprises a memory, wherein a plurality of application icons and a plurality of icon type names of the application icons are pre-stored in the memory. The system comprises a display interface generation module used for generating a spherical display interface, an acquisition module used for obtaining an application icon belonging to an icon type from the memory according to an icon type name currently selected by a user, and a display module used for displaying the spherical display interface and displaying the obtained application icon and the currently selected icon type name in the spherical display interface. According to the desktop display system and method, applications installed in the electronic device are displayed in the spherical display interface by classification, so that the user can conveniently manage the application icons and the stereoscopic effect of the display interface can be achieved.

A display system comprises a screen having a concave spherical surface positioned so as to be visible to a user of the system. The screen comprises a plurality of kite-shaped screen elements supported adjacent one another so as to form that spherical surface. Each of the screen elements comprises a respective faceplate comprising optical fibers extending adjacent each other so as to transmit light therethrough between two opposing face surfaces. One of the face surfaces is a concave spherical display image output surface, and the other of the face surfaces is a substantially planar image input surface. The screen elements also each comprise a respective image panel having a field of pixels each transmitting light corresponding to serial images of said panel. The fibers of the faceplate receive the light of the pixels of the image panel and together transmit the light from the image panel coherently to its image output surface so that the images of the panel are displayed on the image output surface.

The invention discloses a playing system and method based on a spherical display screen, and belongs to the field of spherical display screen playing application, and the system comprises an input terminal which is used for obtaining a three-dimensional spherical image and carrying out the image processing so as to obtain a planar rectangular 2: 1 image, and outputting the planar rectangular 2: 1image; a display controller in communication connection with the input terminal and is used for receiving and outputting the planar rectangle 2: 1 image; and a spherical display screen in communication connection with the display controller and used for receiving the planar rectangle 2: 1 image and displaying the planar rectangle 2: 1 image on the three-dimensional spherical surface of the spherical display screen. The invention has the beneficial effects that; a series of work such as image segmentation, geometric correction and image fusion does not need to be performed by a media server; compared with the prior art, the invention has the advantages that the image pixels on the wefts of the sphere are directly displayed on the spherical display after being subjected to point extraction according to a certain mode, so that the image processing flow is simplified, the processing speed of the spherical display is increased, and the problems of image delay jamming and inter-region desynchrony in image processing of a traditional media server are solved.

A spherical display device includes a frame, a plurality of first display units and a plurality of second display units fixed on the frame. The first display panel units and the second display panel units being joined together and electrically connected to each other to cooperatively form a spherical structure with a spherical display surface. When the first display units and the second display units work together to corporately display an object, viewers can view the object in view angle of 360 degree.

A display system comprises a screen having a concave spherical surface positioned so as to be visible to a user of the system. The screen comprises a plurality of kite-shaped screen elements supported adjacent one another so as to form that spherical surface. Each of the screen elements comprises a respective faceplate comprising optical fibers extending adjacent each other so as to transmit light therethrough between two opposing face surfaces. One of the face surfaces is a concave spherical display image output surface, and the other of the face surfaces is a substantially planar image input surface. The screen elements also each comprise a respective image panel having a field of pixels each transmitting light corresponding to serial images of said panel. The fibers of the faceplate receive the light of the pixels of the image panel and together transmit the light from the image panel coherently to its image output surface so that the images of the panel are displayed on the image output surface.

The invention discloses a centering pixel extracting method for a spherical LED display screen. According to the method, the distances between adjacent rows of pixels are equal on the same meridian of a spherical body, and pixels on the same parallel are distributed according to the rule that if X/Y=2K, even pixel extraction is conducted to reduce the number of pixels with the K as the sector number, if X/Y=2K+1, centering pixels of X are changed firstly, then pixels are changed evenly with the center pixel as the center of horizontal symmetry and Y-1 as the sector number, wherein X is the number of pixels on the parallel, Y is the number of pixels needing to be changed, K is a natural number, and X,Y and K are all integers. The centering pixel extracting method for the spherical LED display screen is high in universality, suitable for LED spherical display screens in various radii, and capable of increasing the utilization rate of pixel points (lamp beads). Furthermore, pixels are arranged reasonably, waste can not be caused, and energy is saved.

The invention provides a spherical display and a displaying method. The display comprises a plurality of parallelogram displaying units which are the same and a polygonal top cover, wherein the parallelogram displaying units which are the same are spliced and combined to form a hollow spherical structure; holes are formed in the top and the bottom of the spherical structure; and the polygonal top cover is arranged on the holes of the top of the spherical structure. The displaying method comprises the following steps: if each parallelogram displaying unit physically shifts by n pixel bits on each row, shifting a video signal in the direction which is reverse to a physical inclined direction of the parallelogram displaying unit by n pixels through a shifting register, and then displaying the processed video signal. The spherical display consists of the same parallelogram displaying units which are combined; the spherical display is easy to manufacture technologically; and the replaceability of a signal displaying unit is high.

The invention provides a rain-proof curved-surface display screen and a rain-proof spherical display screen. The rain-proof curved-surface display screen is composed of a framework, panels, a dot matrix display assembly and screws. The framework is constructed in a curved surface shape, the portions, making contact with the edges of the panels, of the framework are coated with water-proof glue or provided with water-proof gaskets, the dot matrix display assembly is installed on the panels in a water-proof mode, and the panels are spliced and tightly attached and fixed to the framework through the screws. The rain-proof spherical display screen is formed by splicing rain-proof curved-surface display screens in a surrounded mode. Compared with the prior art, outdoor curved-surface and spherical display screens can be manufactured and obtained more easily, the structure is simple, splicing is compact, the similarity between the display screens and the curved surface or sphere is high, and the cost is lower; the way in which the dot matrix display assembly is directly installed on the panels in the water-proof mode is simple, and the rain-proof curved-surface display screen and the rain-proof spherical display screen are suitable for batch manufacturing, maintenance and replacement.

The invention discloses a spherical display cabinet, and relates to a display cabinet. The spherical display cabinet comprises a base and a display ball, wherein an arc groove is formed in the base; a moving cavity is arranged below the arc groove; an opening, which is communicated with the moving cavity, is formed in the arc groove; the moving cavity is internally provided with a moving disk; a limiting column is arranged on the moving disk; a limiting hole which is matched with the limiting column is formed in the bottom part of the display ball; a first adjustable electromagnet is arranged on the moving disk; a first magnet which is matched with the first adjustable electromagnet is arranged at the bottom part of the display ball; a second adjustable electromagnet is arranged on the limiting column; the display ball is internally provided with a second magnet which is matched with the second adjustable electromagnet; a moving column is arranged at the bottom part of the moving disk; the base is internally provided with a driving piece which is connected with the moving column; nozzles are further uniformly and circumferentially arranged on the arc groove; the base is internally provided with an air compressor; the nozzles are connected with the air compressor. Compared with the prior art, the spherical display cabinet disclosed by the invention has the advantages that the spherical display cabinet is provided with the display ball which can levitate under the effect of a magnetic levitation device, and the display ball can optionally rotate in a horizontal or slant manner.