CN111862870A - Display array based on positioning control - Google Patents

Display array based on positioning control Download PDF

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Publication number
CN111862870A
CN111862870A CN201910362005.1A CN201910362005A CN111862870A CN 111862870 A CN111862870 A CN 111862870A CN 201910362005 A CN201910362005 A CN 201910362005A CN 111862870 A CN111862870 A CN 111862870A
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陈漱文
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2074Display of intermediate tones using sub-pixels

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  • Controls And Circuits For Display Device (AREA)
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Abstract

The invention provides a display array based on positioning control, which can distribute display units in a space as required, wherein a server firstly demarcates a display area according to display contents, a positioning device of the display units also sends physical position information to the server, the server determines the coordinates of each display unit in the display area according to the physical position information and correspondingly determines the display data of each display unit to be displayed simultaneously, and thus, all the display units in the display area can integrally display the display contents. The display units are distributed without early design and can be randomly placed at any position in space, so that the whole display matrix is quite convenient and rapid to build, is flexible and changeable, can be suitable for being built randomly in various environments, and can even change the whole city or a certain area into a super-large-scale display matrix, and the display effect is very shocking.

Description

Display array based on positioning control
Technical Field
The present invention relates to a display matrix, and in particular to a display array having display elements controlled by positioning information.
Background
The large-scale display matrix is widely applied to various occasions, such as performance scenes, open scenes, competition scenes, building lightening and the like. At present, the large-scale display matrix is generally connected by wires, so that the display matrix needs to be built according to a physical structure of the display matrix on a display site, all display units of the display matrix are connected through signal wires so as to be convenient for communication and control, a large amount of manpower and material resources are consumed for building the whole display matrix, and the universality is poor. The conventional control method for the display matrix is difficult to control or very inconvenient for the display matrix constructed by the display sheets which are randomly placed.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a display array based on positioning control, wherein a positioning device is used to determine the position relationship between each display unit and a display area and establish a corresponding relationship with the relevant pixel points of the display content for display, and the display units can be arbitrarily placed in the display area to conveniently construct the display array.
A display array based on positioning control is provided, wherein controlled display units are distributed in a two-dimensional or three-dimensional space, and the display units are at least provided with positioning devices and light-emitting units for recording the physical positions of the display units; at least one display area is defined in a two-dimensional or three-dimensional space, and the display unit acquires physical position information of the display area through a positioning device; the display unit is also stored with display content, corresponding relation is established between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area, and each display unit respectively displays the display data in the display content which accords with the corresponding relation.
The system comprises a display unit, a server, a display unit and a display unit, wherein the server is used for controlling all the display units and stores the physical position information of each display unit; the server demarcates a corresponding display area in a two-dimensional or three-dimensional space according to display contents to be displayed, and acquires all display units in the display area; establishing a corresponding relation between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area; and the server sends all display pixels of the display content or display data of corresponding display pixels in the display content according to the corresponding relation to the display units at corresponding physical positions, and each display unit in the display area displays the display content in the display area according to the display data.
The display unit calculates whether the display area falls into the coverage range of the corresponding display coordinate according to the physical position information of the display unit, and displays the display data of the pixel point of the pixel coordinate corresponding to the display coordinate through the display screen.
The physical position of the display unit is converted into a relative position in the display area, the relative position is divided into a horizontal proportion and a vertical proportion, corresponding pixel points in display contents are calculated according to the horizontal proportion and the vertical proportion, and display data of the pixel points of the pixel coordinates corresponding to the display coordinates are displayed through the display screen.
The display unit pre-stores all display contents, reads the display data of the pixel points of the corresponding pixel coordinates according to the display coordinates falling into the display unit, and then displays the display data according to the display synchronization signals.
The server sends the display data of the pixel points of the pixel coordinates corresponding to the display coordinates to the display unit in real time according to the display coordinates of the display unit, and the display unit displays the display data in real time.
And the server also sends a display synchronization signal for controlling the display unit to simultaneously display the display data to the display unit in the display area.
The display units are uniformly distributed in a two-dimensional or three-dimensional space according to a certain rule.
Wherein the display units are arbitrarily dispersed in a two-dimensional or three-dimensional space.
Wherein the display units are distributed in a two-dimensional or three-dimensional space and move arbitrarily in the space.
The invention has the beneficial effects that: the display units can be distributed in the space as required, the positioning device of the display unit obtains the physical position of the display unit, determines the coordinates of each display unit in the display area according to the physical position information, and correspondingly determines the display data of each display unit to be displayed simultaneously, so that the display content of all the display units in the display area can be integrally displayed. The display units are distributed without early design and can be randomly placed at any position in space, so that the whole display matrix is quite convenient and rapid to build, is flexible and changeable, can be suitable for being built randomly in various environments, and can even change the whole city or a certain area into a super-large-scale display matrix, and the display effect is very shocking.
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The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural diagram of a display unit.
Detailed Description
Referring to fig. 1 and 2, a display array based on positioning control, in which controlled display units are distributed in a two-dimensional or three-dimensional space, the display units are at least provided with positioning devices and light emitting units for recording physical positions of the display units; at least one display area is defined in a two-dimensional or three-dimensional space, and the display unit acquires physical position information of the display area through a positioning device; the display unit is also stored with display content, corresponding relation is established between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area, and each display unit respectively displays the display data in the display content which accords with the corresponding relation. The display units can be distributed in the space as required, the positioning device of the display unit obtains the physical position of the display unit, determines the coordinates of each display unit in the display area according to the physical position information, and correspondingly determines the display data of each display unit to be displayed simultaneously, so that the display content of all the display units in the display area can be integrally displayed. The display units are distributed without early design and can be randomly placed at any position in space, so that the whole display matrix is quite convenient and rapid to build, is flexible and changeable, can be suitable for being built randomly in various environments, and can even change the whole city or a certain area into a super-large-scale display matrix, and the display effect is very shocking.
The invention can also adopt a server to uniformly control the whole display matrix, and is provided with the server for controlling all the display units, and the server stores the physical position information of each display unit or the connection link information corresponding to the physical position information; the server demarcates a corresponding display area in a two-dimensional or three-dimensional space according to display contents to be displayed, and acquires all display units in the display area; establishing a corresponding relation between corresponding display pixels in the display content and display units at corresponding physical positions in the display area; and the server sends all display pixels of the display content or display data of corresponding display pixels in the display content according to the corresponding relation to the display units at corresponding physical positions, and each display unit in the display area displays the display content in the display area according to the display data. The display units can be distributed in the space as required, the server firstly demarcates the display area according to the display content, the positioning device of the display units also sends the physical position information to the server, the server determines the coordinates of each display unit in the display area according to the physical position information, and correspondingly determines the display data of each display unit to be displayed simultaneously, so that the display content can be integrally displayed by all the display units in the display area. The display units are distributed without early design and can be randomly placed at any position in space, so that the whole display matrix is quite convenient and rapid to build, is flexible and changeable, can be suitable for being built randomly in various environments, and can even change the whole city or a certain area into a super-large-scale display matrix, and the display effect is very shocking.
In order to establish a corresponding relationship between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area, the following algorithm may be adopted:
the proportion of the display area is adaptive to the proportion of the display content, corresponding reference points are set in the display content and the display area respectively, pixel coordinates are formed on the positions, relative to the reference points, of all pixel points in the display content, display coordinates are formed in the display area in a corresponding mode according to the reference points and the pixel coordinates of the display content, a coverage range is set by taking the display coordinates as a center, the display unit calculates whether the display unit falls into the coverage range of the corresponding display coordinates or not according to the physical position information of the display unit, and display data of the pixel points of the pixel coordinates corresponding to the display coordinates are displayed through the display screen.
And secondly, converting the physical position of the display unit into a relative position in the display area, dividing the relative position into a transverse proportion and a longitudinal proportion, calculating corresponding pixel points in the display content according to the transverse proportion and the longitudinal proportion, and displaying the display data of the pixel points of the pixel coordinates corresponding to the display coordinates through the display screen.
Example one
And constructing a display array by using the lamp decorations on the outer wall of the building and between the buildings. At present, most buildings in cities are subjected to lighting engineering, and lamp decorations are arranged on the outer walls of the buildings or among the buildings. Generally, the lights on the outer wall of these buildings are classified into controllable lights and uncontrollable lights, wherein some of the controllable lights are distributed uniformly or regularly, and some of the controllable lights are distributed randomly. The controllable illuminations are generally controlled by a controller for integral display, but the different buildings or the different controllers are not networked, so that the uniform control of all illuminations on a certain building is difficult to realize. And the controller is connected with the decorative lighting through a physical line, each display unit of the decorative lighting is communicated with the controller through a parallel or serial mode, identification and communication are generally carried out in an addressing mode, no relation exists between the controller and the physical position of each display unit, and even if the controllers of different buildings are networked, unified control is difficult to realize. Therefore, the scheme adopted by the invention is that each display unit of all the lamp decorations is provided with a positioning device, the positioning device can acquire the physical position information, and the server collects the physical position information of all the display units. The server sets one or more display areas in the space according to the display content, each display area has corresponding physical position information, a coordinate system can be established by adopting Kady coordinates, columnar coordinates, spherical coordinates and the like, and all the corresponding display units in each display area can establish corresponding display coordinates in the display area through the physical position information and the coordinate system of the display area. And establishing a corresponding coordinate system for the display content to be displayed, wherein the pixel coordinate of each pixel point in the display content corresponds to the display coordinate of the display unit in the display area, the server sends the display data of all the pixel points in the display content to the corresponding display unit according to the corresponding relation, and the display content can be displayed in the display area when all the display units synchronously display.
As described above, the principle of the present invention is that the display coordinates of the display units in the display area correspond to the pixel coordinates of the display content to realize the display, so that for any requirement such as the distribution of the display units in the display area, even if the buildings are disordered and the ordered decorative lighting on the buildings generates disordered distribution in the display area in actual use, the present invention can perform unified planning and control according to the actual physical position information of each display unit in the decorative lighting, even if the decorative lighting is randomly distributed on various buildings or temporarily and randomly installed among different buildings.
Example two
The display units can be randomly placed in an open area, such as a square, a playground and the like, and a controllable display array can also be constructed. When activities are performed on squares, playgrounds or sports grounds, large display screens are required to be produced on site for the purpose of activating the atmosphere on site, performing advertising presentations and the like. The conventional display array can be installed only by arranging display units on site according to the physical structure of the display array and then wiring the display units. The display unit can be randomly placed on a square, a playground or a sports ground to complete the installation of the display array, and the power supply of the display unit can be realized by using a built-in battery or a solar charging battery and the like. The server marks out a display area adapted to the display content in a certain space according to the display content and the on-site display requirement. And respectively taking a certain pixel point in the display content as a reference point so as to obtain pixel coordinates of all pixel points of the display content, and also taking a coordinate corresponding to the pixel point in the display area as the reference point so as to obtain a display coordinate corresponding to each pixel coordinate in the display area.
The display content can be stored in a plurality of ways as required:
firstly, the display content is directly pre-stored in the display unit. The scheme is mainly suitable for the condition that the display content is relatively fixed, and the server directly stores all the display content to the display unit in a wireless network sending or preset mode. When the display unit falls into the display area, the positioning device obtains the physical position information of the display unit to calculate the display coordinates of the display unit, and the built-in control system of the display unit calculates and obtains corresponding display data from the display content according to the display coordinates. And when the display unit receives the display synchronization signal sent by the server, the display screen of the display unit displays according to the display data.
And secondly, the display content is stored in the server, and the server sends the real-time display content to the display unit. In the case where the display content is updated in real time, the display area is also required to be capable of updating the display content in real time. For this reason, when obtaining real-time display content, the server needs to send the corresponding display content to all display units in the display area. Also, the display unit may update the display content using the method described above.
The embodiment is also suitable for randomly arranging the display units on the large grassland, randomly hanging the display units on trees beside roads, randomly placing lamp decorations in cities and the like, can realize control by the method, and becomes the display units in the ultra-large-scale display matrix.
EXAMPLE III
And (4) constructing a large-scale display matrix by using the unmanned aerial vehicle. At present, unmanned aerial vehicle has widely used in various occasions, and it has a great deal of advantages such as the flexible control. The control of a large number of unmanned aerial vehicles in a local area needs to plan the flight trajectories of all unmanned aerial vehicles in the area in advance, so that on one hand, collision accidents among the unmanned aerial vehicles are prevented, and on the other hand, the unmanned aerial vehicles can conveniently construct a fleet form to execute related tasks. However, for the present invention, it is possible to construct a large-scale display matrix by planning the unmanned aerial vehicles in advance into an unmanned aerial vehicle fleet, and even if the unmanned aerial vehicles are under autonomous control, they fly by themselves in a limited display area, and as long as no collision occurs between them, all the unmanned aerial vehicles in the display area can construct a large-scale display matrix. The general built-in GPS module that has of current unmanned aerial vehicle can be directly regard as display element's positioner with this GPS module, then fixes the display screen on unmanned aerial vehicle and links to each other with unmanned aerial vehicle's master control. Carry out data exchange through wireless network between unmanned aerial vehicle and the server, above-mentioned wireless network can include that WIFI, 4G, 5G, bluetooth, data broadcast etc. multiple form realize. The server marks out a display area adapted to the display content in a certain space according to the display content and the on-site display requirement. And respectively taking a certain pixel point in the display content as a reference point so as to obtain pixel coordinates of all pixel points of the display content, and also taking a coordinate corresponding to the pixel point in the display area as the reference point so as to obtain a display coordinate corresponding to each pixel coordinate in the display area.
The display content can be stored in a plurality of ways as required:
firstly, the display content is directly pre-stored in the unmanned aerial vehicle. This scheme is mainly applicable to under the relatively fixed circumstances of display content, the server is direct to send whole display content to unmanned aerial vehicle through wireless network, and when unmanned aerial vehicle entered into the display area, unmanned aerial vehicle's display control software calculates the display coordinate that unmanned aerial vehicle is located according to the physical position information that GPS orientation module obtained, then display control software calculates the corresponding display data that obtains from the display content according to the display coordinate. When the unmanned aerial vehicle receives the display synchronization signal sent by the server, the display control software controls the display screen to display according to the display data. The GPS positioning module of the unmanned aerial vehicle updates the physical position information of the unmanned aerial vehicle in real time, and meanwhile, the display control software updates the display data to display according to the physical position information in real time, so that the display content which can be displayed correctly in the display area can be ensured.
And secondly, the display content is stored in the server, and the server sends the real-time display content to the unmanned aerial vehicle. In the case where the display content is updated in real time, the display area is also required to be capable of updating the display content in real time. For this reason, when obtaining real-time display content, the server needs to send the corresponding display content to all the drones in the display area. Also, the drone may update the display content using the methods described above.
And thirdly, the display content is stored in the server, and the server sends the display data of the corresponding display pixels of the display coordinates where the unmanned aerial vehicle is located to the unmanned aerial vehicle in real time. When the display area is great or the number of unmanned aerial vehicles in the display area is great, if the access bandwidth of the server has certain limitation, the display data of all the display contents are sent to all the unmanned aerial vehicles at the same time, so that great delay is caused, and the effect of updating and displaying the display area in real time is influenced. In order to reduce the data volume during real-time transmission, the server calculates in real time to obtain the display data which needs to be displayed by each unmanned aerial vehicle in the display area, the display data are relatively small, a large number of unmanned aerial vehicles exist in the display area, and the bandwidth of the server can meet the use requirement. In addition, in order to reduce the bandwidth pressure of concurrent real-time data transmission of the server, all display contents can be sent to the display area in a broadcast mode in real time, and all unmanned aerial vehicles receive the broadcast data in a unified mode and display the data correspondingly.
Practice four
The display unit that moves out of order is a flying bird. Some birds are trained to fly in groups, such as pigeons, but the flight trajectory of each bird is disordered. Generally, this embodiment can be applied to a large-scale event or an open-curtain type event of a game, etc., in which birds are flown, and a display unit is fixed to each bird. The third implementation can be referred to as a corresponding data transmission method and a corresponding display method.
EXAMPLE five
The display unit moving in disorder is a stream of people or a stream of vehicles. In the open curtain type of large-scale trip activity or sports activity, have the crowd to constitute different removal square matrixes, everybody can be through handheld or the mode of fixed display element, can be with the region that the square matrix that removes turns into a demonstration. Also in the flow of motorways or in the flow of bike racing, the fixing of the display unit on each vehicle makes it possible to form a moving display matrix in a certain area. The third implementation can be referred to as a corresponding data transmission method and a corresponding display method.
EXAMPLE six
The display unit that moves out of order is a float that floats on the water surface. On the lake surface of the park, the floating objects can be randomly placed, then the display unit is fixed on the floating objects, the floating objects move disorderly along with the blowing of water flow or lake surface wind, and the whole lake surface can form a large-scale display matrix through the technical scheme of the invention. The third implementation can be referred to as a corresponding data transmission method and a corresponding display method.
EXAMPLE seven
The handheld terminal is a mobile phone, namely a relatively universal smart phone in the market, a CPU, a liquid crystal display screen, a GPS positioning module and the like are arranged in the smart phone at present, and a corresponding application program can be installed for use through a system built in the smart phone. The method comprises the steps that display control software is installed in the smart phone, after the display control software is started, the display control software automatically acquires physical position information of the smart phone from a GPS positioning module, and sends the physical position information to a server through wireless network connection of WIFI, 4G, Bluetooth and the like of the smart phone. The server marks out a display area adapted to the display content in a certain space according to the display content and the on-site display requirement. And respectively taking a certain pixel point in the display content as a reference point so as to obtain pixel coordinates of all pixel points of the display content, and also taking a coordinate corresponding to the pixel point in the display area as the reference point so as to obtain a display coordinate corresponding to each pixel in the display area.
The display content can be stored in a plurality of ways as required:
firstly, the display content is directly pre-stored in the smart phone. The method is mainly suitable for the situation that the display content is relatively fixed, the server directly sends all the display content to the smart phone through the wireless network, when the smart phone enters the display area, the display control software of the smart phone calculates the display coordinate of the smart phone according to the physical position information obtained by the GPS positioning module, and then the display control software calculates the corresponding display data from the display content according to the display coordinate. And when the smart phone receives the display synchronization signal sent by the server, the display control software controls the display screen to display according to the display data. In actual use, the situation that a person holds the smart phone to move randomly exists, at the moment, the GPS positioning module of the smart phone updates the physical position information of the smart phone in real time, and the display control software updates the display data to display according to the physical position information in real time, so that the display content in the display area can be correctly displayed.
And secondly, the display content is stored in the server, and the server sends the real-time display content to the smart phone. In the case where the display content is updated in real time, the display area is also required to be capable of updating the display content in real time. Therefore, when the server obtains real-time display content, the server needs to send the corresponding display content to all smart phones in the display area. Likewise, the smart phone may update the display content using the method described above.
And thirdly, the display content is stored in the server, and the server sends the display data of the display pixels corresponding to the display coordinates where the smart phone is located to the smart phone in real time. When the display area is large or the number of smart phones in the display area is large, such as hundreds of smart phones, if the access bandwidth of the server is limited, sending the display data of all the display contents to all the smart phones at the same time will cause a large delay, thereby affecting the effect of updating the display in real time in the display area. In order to reduce the data volume during real-time transmission, the server calculates and obtains display data which need to be displayed by each smart phone in the display area in real time, the display data are relatively small, and even if a large number of smart phones exist in the display area, the bandwidth of the server can meet the use requirement.
And fourthly, the server sends the real-time display content to the smart phone in the display area in a broadcasting mode. In order to further solve the problem of time delay caused by the transmission of real-time display contents by the server, the server sends all the display contents to the display area in a broadcasting mode, and the smart phone in the display area automatically receives all the display contents and displays the display contents in the display screen by adopting the method of the first mode.
Example eight
The handheld terminal is a display device with a display screen, a positioning device and a wireless transmission device. The display screen of the display device can be a liquid crystal display screen or a light string, and the display device manufactured by the light string has more advantages in production cost and does not have any influence on the display effect of the display area. The positioning device can also adopt a GPS positioning module to acquire physical position information and then is in connection communication with the server through the wireless transmission device.
Example nine
The handheld terminal is a display device with a display screen and a wireless transmission device, and the positioning devices are uniformly distributed in the display area, so that the design of the display device can be further simplified, but the positioning devices are required to be arranged in the display area, and when the display device enters the corresponding positioning devices, the display device is connected through the wireless transmission device, so that the physical position information of the display device is determined. The display control method is the same as the embodiment.
The invention can be applied in various scenarios, and some application examples are given below for further understanding of the invention.
Performance sites such as concerts: the field audience uses a handheld smart phone as a display unit, display control software is installed in the smart phone and started, meanwhile, a display screen of the smart phone is visited outwards, and the whole audience can be changed into a large-scale display matrix formed by the smart phone through the control of a server.
Large-scale activity sites such as ball games and the like: and a large-scale matrix is formed by the audiences in the auditorium or the smart phones or display devices of the persons involved in the parade square matrix in the stadium. Particularly for the traveling square matrix, the position of a display area formed by the traveling square matrix is updated in real time, so that the display content can synchronously move along with the movement of the traveling square matrix in real time, and the display effect is not influenced at all.

Claims (10)

1. A display array based on positioning control, comprising: the method comprises the following steps that controlled display units are distributed in a two-dimensional or three-dimensional space, and the display units are at least provided with positioning devices and light-emitting units for recording the physical positions of the display units; at least one display area is defined in a two-dimensional or three-dimensional space, and the display unit acquires physical position information of the display area through a positioning device; the display unit is also stored with display content, corresponding relation is established between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area, and each display unit respectively displays the display data in the display content which accords with the corresponding relation.
2. The display array of claim 1, wherein: the server is used for controlling all the display units, and the physical position information of each display unit is stored in the server; the server demarcates a corresponding display area in a two-dimensional or three-dimensional space according to display contents to be displayed, and acquires all display units in the display area; establishing a corresponding relation between corresponding display pixels in the display content and corresponding physical positions of the display units in the display area; and the server sends all display pixels of the display content or display data of corresponding display pixels in the display content according to the corresponding relation to the display units at corresponding physical positions, and each display unit in the display area displays the display content in the display area according to the display data.
3. The display array of claim 1, wherein: the proportion of the display area is adaptive to the proportion of the display content, corresponding reference points are set in the display content and the display area respectively, pixel coordinates are formed in the position, relative to the reference points, of each pixel point in the display content, the display area correspondingly forms display coordinates by the reference points and the pixel coordinates of the display content, a coverage range is set by taking the display coordinates as a center, the display unit calculates whether the display unit falls into the coverage range of the corresponding display coordinates or not according to the physical position information of the display unit, and display data of the pixel points of the pixel coordinates corresponding to the display coordinates are displayed through the display screen.
4. The display array of claim 1, wherein: and the physical position of the display unit is converted into a relative position in the display area, the relative position is divided into a transverse proportion and a longitudinal proportion, corresponding pixel points in the display content are calculated according to the transverse proportion and the longitudinal proportion, and display data of the pixel points of the pixel coordinates corresponding to the display coordinates are displayed through the display screen.
5. The display array of claim 2, wherein: the display unit prestores all display contents, reads the display data of the pixel points of the corresponding pixel coordinates according to the display coordinates falling into the display unit, and then displays the display data according to the display synchronization signals.
6. The display array of claim 2, wherein: the server sends the display data of the pixel points of the pixel coordinates corresponding to the display coordinates to the display unit in real time according to the display coordinates, and the display unit displays the display data in real time.
7. A positioning control-based display array according to any of claims 2 to 4, wherein: the server also sends a display synchronization signal for controlling the display unit to simultaneously display the display data to the display units in the display area.
8. A positioning control-based display array according to any of claims 1 to 5, wherein: the display units are uniformly distributed in a two-dimensional or three-dimensional space according to a certain rule.
9. A positioning control-based display array according to any of claims 1 to 5, wherein: the display elements are arbitrarily dispersed in a two-dimensional or three-dimensional space.
10. A positioning control-based display array according to any of claims 1 to 5, wherein: the display units are distributed in a two-dimensional or three-dimensional space and move arbitrarily in the space.
CN201910362005.1A 2019-04-30 2019-04-30 Display array based on positioning control Withdrawn CN111862870A (en)

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Application publication date: 20201030