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.

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 surface. 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 discloses a spherical display screen and a manufacturing method thereof. The method comprises the following steps: according to the Euler's formula in space, obtaining 12 pentagons and 20 hexagons which can form a 32-face body inscribed in a spherical surface; then causing one points on the spherical surfaces corresponding to the pentagons and the hexagons to be connected with the end points of corresponding pentagons and hexagons to form pentagonal pyramids and hexagonal pyramids; according to the side faces of the pentagonal pyramids and the hexagonal pyramids, manufacturing pentagonal display modules and hexagonal display modules; finally assembling 12 pentagonal display modules and 20 hexagonal display modules into a spherical screen similar with a sphere. Therefore, when the display modules are designed, at most 32 display modules are designed, the product-design period is greatly shortened, and a lot of design labor resources are reduced. In the spherical display screen manufactured with the method, glowing pixel points can be uniformly arranged on each triangular side face of the pentagonal display modules and the hexagonal display modules. The spherical display screen has the advantages of simple structure, good pictures of displayed images and small distortion.

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 spherical display screen and a manufacturing method thereof. Light-emitting pixels are distributed on a spherical surface along a spherical coordinate; based on such distribution, the light-emitting pixels are distributed on the spherical surface along curved surfaces, that is, the light-emitting pixels are distributed completely according to the expanding of the spherical surface, so that the display frame of the spherical display screen has a high resolution ratio and is undistorted, and the overall display effect is greatly improved. According to the manufacturing method of the spherical display screen, the spherical surface is divided into the curved surfaces, and the light-emitting pixels are arranged on the curved surfaces in spherical coordinate positions corresponding the spherical surface; then display module PCBs (Printed circuit boards) are manufactured and designed according to the curved surfaces; finally the display module PCBs are assembled to form a sphere, thus obtaining the spherical display screen. Through the method, the spherical display screen can be obtained quickly and is free from edges and corners; the light-emitting pixels are distributed along the curved surfaces of the spherical surface, so that the resolution ratio is high, the image display is not undistorted, and the display effect is good.

The invention relates to a spherical display screen. The spherical display screen comprises a support frame, and a first kind of plane display unit and a second kind of plane display unit which are supported on the support frame, wherein the first kind of plane display unit and the second kind of plane display unit are spliced with each other to form a spherical shape, thus the same image information can be viewed at a 360-degree visual angle or different image information can be displayed for different visual angles.

The invention provides a spherical display structure and a CAVE system with the same. The spherical display structure includes a plurality of light board units, the light board units are spliced to form a spherical structure. The upper side edge of each light board unit along the weft direction of the spherical structure and the lower side edge arranged opposite to the upper side edge are both ofan arc structure, and the length of each upper side edge is not equal to the length of the corresponding lower side edge. The upper side edge of one light board unit of every two light board units arranged adjacently in the weft direction is arranged adjacent to the lower side edge of the other light board unit. Since the light board units adopt the structure above, the light board units are arbitrarily spliced and combined at integer multiples of X degrees in the horizontal viewing angle and arbitrarily spliced and combined at integer multiples of Y degrees in the vertical viewing angle to form the display structure in a spherical shape. Through the arrangement, the display effect of the display structure can be effectively improved.

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.

The invention provides a spherical display image processing method and system, and the method comprises the steps: enabling a to-be-displayed image to serve as a texture map and to be pasted on a model or a curved surface, and rendering the model or curved surface till a cubic texture or directly carrying out rendering; building a target image of a plane for spherical display according to the cubic texture, wherein the corresponding relation between the target image and the cubic texture is that the target image is located in a polar coordinate system and the pixel coordinates corresponding to each pixel of the target image are expressed through polar coordinates; enabling the polar coordinates of each pixel to be correspondingly converted into a three-dimensional coordinate point on the a spherical surface in a three-dimensional coordinate system, and enabling the color value, obtained through the sampling of the cubic texture at each three-dimensional coordinate point, of each point to be given to a corresponding pixel of the target image; carrying out the algorithm transformation in an actual implementation process with the help of a top point shader of a graphic platform directx or opengl, and achieving the high-efficiency and high-quality conversion output through a graphic display card, thereby enabling display to have no blind region, enabling display to be flexible, and enabling the operation efficiency to be high.

The invention provides a calibration method, device and system for color and brightness of a LED spherical display screen. The method comprises: sending a calibration instruction to a controller of the LED spherical display screen, and the calibration instruction comprising a target color and target brightness, so that the controller controls each LED module of the LED spherical display screen towork according to the target color and the target brightness; comparing the actual color and the actual brightness of each detection area with the target color and the target brightness respectively,calculating to obtain a color adjustment value and a brightness adjustment value of each detection area, and sending the color adjustment value and the brightness adjustment value to a controller of the LED spherical display screen to adjust the color and the brightness of an LED module of each detection area. The automatic calibration of the color and the brightness of the LED spherical display screen are realized. Compared with a manual correction mode, the calibration error rate is reduced, and the calibration precision and the calibration efficiency are improved.

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 relates to a processing method of a projector spherical display output image. 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 and a target image coordinate system are respectively built according to the Cartesian coordinate system. A polar coordinate transformation is conducted according to optical path characteristics of a fish-eye lens. The polar coordinate transformation includes that a pixel coordinate of the target image is converted to a coordinate under a polar coordinate system, a pixel coordinate of the source image according to the coordinate under the polar coordinate system is obtained, and pixel color output of corresponding pixel coordinate of the target image according to the pixel color of the obtained pixel coordinate of the source image is conducted. According to the processing method of the projector spherical display output image, the to-be-projected image can be transformed and processed before being outputted, the image outputted by the projector is circular, the problem of image deformation is solved, and spherical display effects projected on a spherical screen are improved.

The invention discloses a spherical display screen. The spherical display screen comprises a support, multiple installation units, multiple connecting frames and multiple LED modules; each installation unit comprises six first isosceles triangle box bodies and three second isosceles triangle box bodies, wherein the six first isosceles triangle box bodies are spliced by adjoining waist edges to form a hexagonal assembly, the bottom edges of the second isosceles triangle box bodies are hinged to the bottom edges of three first isosceles triangle box bodies in the hexagonal assembly respectively, and the three end points of each first isosceles triangle box body and the three end points of each second isosceles triangle box body are located in the same spherical surface; all the installation units are in one-to-one correspondence with the connecting frames and are fixed to the spherical periphery of the support through the corresponding connecting frames to form a sphere, and all the installation units surround the spherical surface in the latitude direction of the spherical surface; the LED modules are attached to the outer surfaces of the first isosceles triangle box bodies and the outer surfaces of the second isosceles triangle box bodies in a one-to-one correspondence mode. The spherical display screen is easy to produce, capable of being assembled easily, good in display effect and low in cost.

The invention discloses a design method of an LED spherical display screen and the LED spherical display screen, wherein the LED spherical display screen includes a spherical fixed frame and LED display modules; the LED display modules are installed on the surface of the spherical fixed frame and the spherical display screen is formed; the shape of each LED display module is basically the same asthe shape of a structure which is formed by surrounding latitude lines and meridian lines of the spherical fixed frame; LED lights are arranged on the LED display modules in an array form; the numberof the LED lights in each line is the same, and the number of the LED lights in each row is the same; and when the width of each LED display module in a latitude direction changes, a spacing between at least one group of LED lights in two adjacent rows in LED light lines to which the latitude direction basically corresponds changes as well. With the adoption of the LED display modules and the spherical fixed frame and by arranging the LED lights on the LED display modules in an array form, regardless of the size of each LED display module, the spacing between two adjacent rows of the LED lights changes. The LED spherical display screen has the advantages of being simple in design, being convenient and quick in installation, having no need to calculate a relationship between the spacing between the lights and the number of the lights and the like.

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 an LED spherical display screen. The LED spherical display screen comprises a plurality of display units and a support structure, wherein the display units are arranged around the support structure to form spherical display, the display units are formed by segmenting a sphere along latitude lines and vertical latitude lines, and LED pixels are distributed on each display unit along the latitude lines and the vertical latitude lines. The LED spherical display screen is even in image display, simple in structure, easy to manufacture, convenient to assemble, capable of lowering cost and applicable to spherical-surface display screens.

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.