CN110706604A - Immersive full-view LED spherical screen display and control system - Google Patents
Immersive full-view LED spherical screen display and control system Download PDFInfo
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- CN110706604A CN110706604A CN201911189671.6A CN201911189671A CN110706604A CN 110706604 A CN110706604 A CN 110706604A CN 201911189671 A CN201911189671 A CN 201911189671A CN 110706604 A CN110706604 A CN 110706604A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
- G09G3/22—Control 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 using controlled light sources
- G09G3/30—Control 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 using controlled light sources using electroluminescent panels
- G09G3/32—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses an immersive full-view LED spherical screen display and control system, which comprises a video processing control system and a spherical screen display terminal, wherein the data output end of the video processing control system is connected with the data input end of the spherical screen display terminal, the video processing control system comprises a video splicer, an image corrector and a video transmitter, the video splicer receives multiple paths of video images output by an upper computer and divides each path of video image into a plurality of sub-images, the image corrector converts each sub-image divided by the video splicer into a curved surface image and corrects gaps and distortion of connection parts among the curved surface images, and the video transmitter transmits the video images processed by the video splicer and the image corrector to the spherical screen display terminal. In the invention, all signals are processed in parallel in real time, and the output signals also ensure the synchronism, thereby ensuring the smoothness and synchronism of the whole display picture of the spherical screen display terminal.
Description
Technical Field
The invention relates to the technical field of spherical screen display, in particular to an immersive full-view LED spherical screen display and control system.
Background
The requirements for the simulation simulator in the market at present are more and more increased, the requirements for the performance of a visual display system are also more and more increased, particularly, higher requirements for display definition, observation visual angle, sensory experience and the like are provided, and the display system with large size, wide visual angle, high resolution, strong immersion and sense of reality can bring double results with half the effort to military simulation training.
In order to solve the problems that a projector is small in field angle, low in contrast, short in service life, high in price, difficult to maintain, incapable of completely realizing localization and the like, an LED (light-emitting diode) spherical screen display scheme is provided, and the scheme has the advantages of high refresh rate, high definition, large field angle, long service life, easiness in maintenance, easiness in transportation and installation, low cost and the like, so that the LED has great research significance when being used as a spherical screen display system.
The traditional immersion type spherical screen display adopts a projection display technology, and the spherical screen display function is realized by adopting an image splicing and fusion mode through a plurality of projectors, so that on one hand, full-field display is difficult to realize, and especially in a real image display system, once an observer or an object is in the system, a part of display area can be shielded; on the other hand, the display mode needs image splicing and image fusion besides image geometric correction, and because the splicing and fusion area is large, the pixel utilization rate of each actual projector is very small.
The current spherical LED field mainly comprises the following applications: LED outer sphere surface shows, LED dome shows and LED hemisphere face shows etc. and these applications mainly focus on commercial advertising and science and technology museum's exhibition etc. because this kind of display system does not have the real-time correction of hardware figure equipment, and the video source of its broadcast needs to be customized according to spherical shape, has greatly restricted the flexibility of display content and has changeable. In addition, in the current LED spherical display technology, there is a problem that video signals are not synchronous, which affects the smoothness and synchronization of the whole display screen of the display terminal.
Disclosure of Invention
In order to solve the above problems, the present invention provides an immersive full view LED dome display and control system, which includes a video processing control system and a dome display terminal, wherein a data output end of the video processing control system is connected to a data input end of the dome display terminal, specifically:
the video processing control system comprises a video splicer, a graphic corrector and a video transmitter, wherein the video splicer receives a plurality of paths of video images output by an upper computer and divides each path of video image into a plurality of sub-images; the image corrector converts each subimage divided by the video splicer into a curved surface image and corrects gaps and distortion of a connection part between the curved surface images; and the video transmitter transmits the video images processed by the video splicer and the graphic corrector to the dome screen display terminal.
The dome screen display terminal comprises a plurality of video receiving cards and corresponding display modules, the video receiving cards and the display modules are arranged on the whole dome screen in a distributed mode, the video receiving cards intercept and buffer video images sent by the video sender, and the video images are displayed by the driving display modules.
Furthermore, the display module comprises a logic unit and n LED matrix units arranged in a matrix, and the logic unit simultaneously distributes scanning data and control signals sent by the video receiving card to the n LED matrix units; n > 1.
Furthermore, the LED matrix unit comprises a current control unit, a row and column scanning driving unit and LED lamp beads, a control signal sent by the logic unit is output to the row and column scanning driving unit through the current control unit, and meanwhile the row and column scanning driving unit receives scanning data sent by the logic unit and drives the LED lamp beads.
Furthermore, the line scanning driving unit scans the LED lamp beads in a line-by-line scanning mode from left to right.
Furthermore, the brightness of the LED lamp beads is adjusted through the current control unit.
Further, the data input end of the video splicer is connected with the data output end of the upper computer through a DVI interface, an HDMI interface or a DP interface, the data output end of the video splicer is connected with the data input end of the graphic corrector through a DVI-D interface, and the data output end of the graphic corrector is also connected with the data input end of the video transmitter through a DVI-D interface.
Furthermore, the pattern corrector is provided with a plurality of pattern correctors, and the plurality of pattern correctors perform data interaction and image synchronization through a PCI-E bus.
Further, the video transmitter is connected with the video receiving card through a gigabit Ethernet.
The invention has the beneficial effects that:
(1) the LEDs can realize full-view display by splicing, and display contents cannot be shielded due to the fact that objects exist in the dome screen, so that the full-view display is an immersive full-view in a real sense;
(2) when the LED realizes the display driving of the global screen, only image geometric correction and image splicing are needed, the pixel utilization rate of each channel can be maximized through reasonable channel division, and the image processing difficulty is greatly simplified;
(3) the video splicer and the graphic corrector of the invention carry out parallel real-time processing on the multi-channel video signals output by the upper computer, thereby ensuring the synchronism of the output video stream; the video transmitter is connected with the video receiving card through a gigabit Ethernet, and the transmission delay of the gigabit Ethernet is in a nanosecond level, so that the multichannel video signal is still a synchronous video signal when being transmitted to the spherical screen display terminal; in the processing process of each video receiving card, video signals belonging to the display area of the video receiving card are intercepted at the same time to drive a display module (an LED lamp panel), namely all the video receiving cards receive video information at the same time and drive the display module at the same time; all signals are processed in parallel in real time, and the output signals also ensure the synchronism, so that the smoothness and synchronism of the whole display picture of the spherical screen display terminal are ensured.
Drawings
FIG. 1 is a schematic diagram of an immersive full view LED dome screen display and control system according to the present invention;
FIG. 2 is one of the isometric views of the video splicer;
FIG. 3 is a second isometric view of the video splicer;
FIG. 4 is a block diagram of the hardware architecture of a video splicer;
FIG. 5 is a rear perspective screen print of a video splicer;
FIG. 6 is one of the isometric views of the pattern corrector;
FIG. 7 is a second isometric view of the pattern corrector;
FIG. 8 is a block diagram of a hardware configuration of a graphic corrector;
FIG. 9 is a rear perspective screen image of the pattern corrector;
FIG. 10 is one of the isometric views of the video transmitter;
FIG. 11 is a second isometric view of the video transmitter;
fig. 12 is a block diagram of a hardware configuration of a video transmitter;
FIG. 13 is a rear perspective screen print of a video transmitter;
fig. 14 is a block diagram of a hardware configuration of a video receiving card;
FIG. 15 is a schematic view of a display module;
FIG. 16 is a signal processing schematic of an LED matrix unit;
FIG. 17 is a schematic diagram of a video transmission and reception architecture;
FIG. 18 is a schematic view of the structure of the LED lamp panel;
fig. 19 is a schematic diagram of a back structure of the LED lamp panel;
reference numerals: 1-a scene computer, 2-a video splicer, 3-a graphic corrector, 4-a video transmitter, 5-a video receiving card and 6-a display module; 61-copper column, 62-magnetic bolt, 63-LED lamp bead, 64-substrate, 66-power supply seat, 67-ox horn seat and 68-welding pad.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, an immersive full-view LED dome screen display and control system includes a video processing control system and a dome screen display terminal, a data output end of the video processing control system is connected to a data input end of the dome screen display terminal, wherein the video processing control system includes a video splicer 2, a graphic corrector 3 and a video transmitter 4, the video splicer 2 receives multiple paths of video images output by an upper computer and divides each path of video image into multiple sub-images, the graphic corrector 3 converts each sub-image divided by the video splicer 2 into a curved surface image and corrects gaps and distortions of linking portions between the curved surface images, and the video transmitter 4 transmits the video images processed by the video splicer 2 and the graphic corrector 3 to the dome screen display terminal. Ball curtain display terminal, including a plurality of video receiving card 5 and corresponding display module 6, video receiving card 5 and the 6 distributing types of display module set up on whole ball curtain, and the video image that video receiving card 5 intercepting and buffer video sender sent to drive display module 6 and show video image, it is specific:
the video splicer 2 has an overall structure as shown in fig. 2 and 3, the video splicer 2 receives a video signal from the view computer 1, and supports DVI, HDMI and DP interfaces, and when each channel of the view computer 1 outputs 4K @60Hz high-definition video, the video splicer 2 can divide 4K video images into 4 2K video outputs to reduce the bandwidth, so that the back-end device can process the video images. The hardware structure of the video splicer 2 is shown in fig. 4, the main control device of the video splicer 2 is realized by adopting an FPGA scheme, the video splicer 2 adopts a DRAM cache image, meanwhile, the performance working parameters of the video splicer 2 need to be stored in a FLASH to ensure that the electric energy is loaded to the FPGA and the DRAM, and the video splicer 2 is reserved with two control modes of RS422 and ethernet. As shown in fig. 5, 4 independent outputs of the video output are implemented by using a DVI-D interface, each video is synchronized, and the output highest resolution supports 1080P @60 Hz.
The figure corrector 3 has the overall structure shown in fig. 6 and 7, and the figure corrector 3 geometrically corrects the plane figure output by the view computer 1 into a figure which can be normally displayed by the dome screen, and simultaneously processes the edge image among each channel and the relationship among the channels, so as to ensure the continuity and the integrity of the image display of the whole dome screen. The graphics corrector 3 supports 8 in and 8 out, the maximum resolution per channel processing is 2K @60Hz, and the number of channels can be clipped. The hardware structure of the image corrector 3 is shown in fig. 8, the video splicer 2 is designed by adopting a DVI-D interface, the main control device is also realized by adopting an FPGA scheme, an SRAM static memory is also adopted to cache images, meanwhile, the image correction parameters need to be stored in FLASH, the electric energy is ensured to be loaded into the storage space corresponding to the FPGA and the SRAM, and two control modes of RS422 and ethernet are reserved. As shown in FIG. 9, the video output adopts DVI-D interface 1 output, and the output highest resolution supports 1080P @60 Hz. In addition, many integrated circuit boards adopt PCIE to be connected to the mainboard, realize data interaction between many integrated circuit boards, guarantee video synchronization and correction parameter communication between the integrated circuit board between the passageway etc..
The video transmitter 4, whose overall structure is shown in fig. 10 and 11, performs interface conversion on the video signals processed by the video splicer 2 and the graphics corrector 3, that is, converts DVI signals into gigabit ethernet signals, and outputs the data to the dome screen display terminal in an ethernet manner, thereby realizing long-distance transmission of video. As shown in fig. 12 and 13, the video transmitter 4 adopts multiple gigabit ethernet interfaces and full duplex working mode, different network interfaces control independent image areas, and multiple network ports jointly form an image area for the operation of one transmitting device. After the video image is input, the video transmitter 4 intercepts the corresponding window image therefrom.
The hardware structure of the video receiving card 5 is as shown in fig. 14, a 2 gigabit ethernet interface is adopted, a full duplex working mode is adopted, two network port data are unconditionally forwarded to another network port for output (loop output), and the receiving card intercepts a required image area and writes the image area to an area corresponding to an external storage device. The main control device of the video receiving card 5 is also realized by adopting an FPGA scheme, the video receiving card 5 also adopts a DRAM to buffer images, and meanwhile, the performance working parameters of the video receiving card 5 need to be stored in FLASH, so that the electric energy is ensured to be loaded into the storage space corresponding to the FPGA and the DRAM. The output interface of the video receiving card 5 directly controls the LED lamp panel 6, and a plurality of groups of RGB signals are output in parallel.
As shown in fig. 15, the display module 6 includes a logic unit and n LED matrix units (n >1) arranged in a matrix, and the logic unit simultaneously distributes the scanning data and the control signals transmitted by the video receiving card to the n LED matrix units. The LED matrix unit comprises a current control unit, a row and column scanning driving unit and LED lamp beads, as shown in fig. 16, a control signal sent by the logic unit is output to the row and column scanning driving unit through the current control unit, meanwhile, the row and column scanning driving unit receives scanning data sent by the logic unit and drives the LED lamp beads, the row and column scanning driving unit scans the LED lamp beads in a row-by-row scanning mode from left to right, and the brightness of the LED lamp beads is adjusted through the current control unit. Specifically, the display module 6 is an LED lamp panel, and the logic unit, the current control unit and the row and column scanning driving unit respectively adopt a logic chip, a constant current driving chip and a row and column scanning chip.
The video sending and receiving architecture of this embodiment is as shown in fig. 17, each video sender 4 can perform format conversion on a 2K video transmitted from a front end through DVI, convert a video image signal into a network signal and transmit the network signal through gigabit ethernet, the dome screen display terminals are distributed with video receiving cards 5, on one hand, the video receiving cards 5 perform network decoding on the transmitted video signal, and then scan-drive the LED lamp panel through the region in which the video receiving cards are responsible for.
In summary, the video computer 1 outputs a multi-channel video image and performs synchronous processing, the video splicer 2 and the graphic corrector 3 perform parallel real-time processing on each channel video signal, so that the output video stream also ensures synchronization, the video transmitter 4 only performs interface conversion on the video signals, all the signals are also processed in parallel in real time, all the signals are output and also ensure synchronization, the transmission delay of the gigabit ethernet is at a nanosecond level and can be ignored, and therefore the multi-channel video signals are still synchronous video signals when being transmitted to the dome display terminal. A gigabit ethernet can connect multiple video receiving cards 5 in series, but the processing procedure of each video receiving card 5 is as follows: meanwhile, video signals belonging to the display area of the user are intercepted to drive the LED lamp panel, namely all the video receiving cards 5 receive video information and drive the LED lamp panel simultaneously, so that the smoothness and the synchronism of the whole display picture of the spherical screen display terminal are ensured.
Example 2
This example is based on example 1:
In addition, the back of the LED lamp panel is longitudinally provided with a three-channel video interface and two-channel power supply interface side by side, as shown in fig. 19, the back of the LED lamp panel is provided with a power supply seat 66, a horn seat 67 and a bonding pad 68 of the copper column 61. More specifically, the LED lamp panel comprises a full-color LED lamp bead, a main control chip, a storage chip, a constant current driving chip, a row and column scanning chip and a fast transistor, and the LED lamp panel determines a driving method, a scanning mode, color bit width, brightness and other parameters of the LED display screen.
Example 3
This example is based on example 1:
in order to improve the immersive full-view LED dome screen display and control system provided in embodiment 1, the embodiment further adds:
and the power management equipment is used for providing power management for the video splicer 2, the graphic corrector 3 and the video transmitter 4, and is installed in the cabinet together with the equipment, so that one-key on-off, overvoltage, overload and short-circuit protection of the video processing and transmission system are realized.
Distributed switching power supply changes 220V alternating current signal into 5V direct current voltage signal to give LED lamp plate and video receiving card 5 power supply through the mode transmission of busbar, transship simultaneously, excessive pressure and excess temperature protection, its distributing type is arranged in the ball curtain bottom, in order to alleviate whole ball curtain structure bearing pressure, has realized the lightweight of ball curtain structure.
Busbar and cable, in order to reduce ball curtain system structure weight, with all drive power supply distributing types cloth in ball curtain bottom, because LED lamp plate and video receiving card 5 are numerous in quantity, the whole adoption cable power supply can increase the system wiring degree of difficulty and reduce the security, consequently adopts the busbar mode to be fixed in on the structure, reduces entire system wiring complexity promptly, easy to maintain again and overhaul.
And the heat radiation fan is used for carrying out air exchange and heat radiation treatment on the interior of the spherical screen display terminal.
And the electrical control system is used for carrying out power supply management on the cooling fan and the LED lamp panel, converting three-phase 380V voltage into standard 220V voltage for output, balancing the power supply of the spherical screen and carrying out overload and overvoltage protection.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the present invention is used, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either a wired or wireless connection.
Claims (7)
1. An immersive full-view LED dome screen display and control system is characterized by comprising a video processing control system and a dome screen display terminal, wherein the data output end of the video processing control system is connected with the data input end of the dome screen display terminal;
the video processing control system comprises a video splicer, a graphic corrector and a video transmitter, wherein the video splicer receives a plurality of paths of video images output by an upper computer and divides each path of video image into a plurality of sub-images; the image corrector converts each subimage divided by the video splicer into a curved surface image and corrects gaps and distortion of a connection part between the curved surface images; the video transmitter transmits the video images processed by the video splicer and the graphic corrector to the dome screen display terminal;
the dome screen display terminal comprises a plurality of video receiving cards and corresponding display modules, the video receiving cards and the display modules are distributed on the whole dome screen, and the video receiving cards intercept and buffer video images sent by the video transmitter and drive the display modules to display the video images; the display module comprises a logic unit and n LED matrix units arranged in a matrix, and the logic unit simultaneously distributes scanning data and control signals sent by the video receiving card to the n LED matrix units; n > 1.
2. The immersive full-view LED dome screen display and control system of claim 1, wherein the LED matrix unit comprises a current control unit, a row and column scanning driving unit and LED lamp beads, the control signal sent by the logic unit is output to the row and column scanning driving unit through the current control unit, and the row and column scanning driving unit receives the scanning data sent by the logic unit and drives the LED lamp beads.
3. The immersive full-view LED dome screen display and control system of claim 2, wherein the line-scan driving unit scans the LED bulbs from left to right in a line-by-line scanning manner.
4. The immersive full-view LED dome screen display and control system of claim 2, wherein the brightness of the LED beads is adjusted by the current control unit.
5. The immersive full-view LED dome screen display and control system of claim 1, wherein the data input terminal of the video splicer is connected to the data output terminal of the host computer through a DVI, HDMI or DP interface, the data output terminal of the video splicer is connected to the data input terminal of the graphic corrector through a DVI-D interface, and the data output terminal of the graphic corrector is connected to the data input terminal of the video transmitter through a DVI-D interface.
6. The immersive full-view LED dome screen display and control system of claim 1, wherein the plurality of image correctors are provided, and data interaction and image synchronization are performed among the plurality of image correctors through a PCI-E bus.
7. The immersive full-view LED dome display and control system of claim 1, wherein the video transmitter is connected to the video receiving card via gigabit ethernet.
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| CN201911139771 | 2019-11-20 | ||
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| CN201911189671.6A Withdrawn CN110706604A (en) | 2019-11-20 | 2019-11-28 | Immersive full-view LED spherical screen display and control system |
| CN202010982258.1A Pending CN112037665A (en) | 2019-11-20 | 2020-09-17 | Low-delay video transmission system for LED ball screen display |
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Cited By (5)
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| CN112233048A (en) * | 2020-12-11 | 2021-01-15 | 成都成电光信科技股份有限公司 | Spherical video image correction method |
| CN112259047A (en) * | 2020-12-08 | 2021-01-22 | 成都成电光信科技股份有限公司 | LED spherical screen display method |
| CN112435627A (en) * | 2020-12-07 | 2021-03-02 | 成都成电光信科技股份有限公司 | LED display control system |
| CN112702539A (en) * | 2021-03-24 | 2021-04-23 | 成都成电光信科技股份有限公司 | Driving method of LED spherical screen |
| CN116741061A (en) * | 2023-08-14 | 2023-09-12 | 长春希达电子技术有限公司 | High-density small-spacing LED (light-emitting diode) spherical screen and design method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9042736B2 (en) * | 2012-02-09 | 2015-05-26 | N2 Imaging Systems, LLC | Intrapersonal data communication systems |
| CN202916579U (en) * | 2012-08-27 | 2013-05-01 | 深圳市远望淦拓科技有限公司 | Dome screen apparatus |
| CN208572094U (en) * | 2018-06-19 | 2019-03-01 | 山东共达电声股份有限公司 | It is a kind of using optical fiber transmission automobile sound, video system |
| CN109413398A (en) * | 2018-12-05 | 2019-03-01 | 中航光电科技股份有限公司 | A kind of low delay resolution ratio adaptive video optical fiber transmission coding/decoding device |
| CN109413397B (en) * | 2018-12-05 | 2020-09-22 | 中航光电科技股份有限公司 | Low-delay resolution self-adaptive video optical fiber transmission coding and decoding method |
| CN110070824A (en) * | 2019-05-08 | 2019-07-30 | 万达文化旅游规划研究院有限公司 | LED ball face shows calibration method, the apparatus and system of screen color and brightness |
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2019
- 2019-11-28 CN CN201911189671.6A patent/CN110706604A/en not_active Withdrawn
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2020
- 2020-09-17 CN CN202010982258.1A patent/CN112037665A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435627A (en) * | 2020-12-07 | 2021-03-02 | 成都成电光信科技股份有限公司 | LED display control system |
| CN112259047A (en) * | 2020-12-08 | 2021-01-22 | 成都成电光信科技股份有限公司 | LED spherical screen display method |
| CN112233048A (en) * | 2020-12-11 | 2021-01-15 | 成都成电光信科技股份有限公司 | Spherical video image correction method |
| CN112702539A (en) * | 2021-03-24 | 2021-04-23 | 成都成电光信科技股份有限公司 | Driving method of LED spherical screen |
| CN112702539B (en) * | 2021-03-24 | 2021-11-19 | 成都成电光信科技股份有限公司 | Driving method of LED spherical screen |
| CN116741061A (en) * | 2023-08-14 | 2023-09-12 | 长春希达电子技术有限公司 | High-density small-spacing LED (light-emitting diode) spherical screen and design method thereof |
| CN116741061B (en) * | 2023-08-14 | 2023-11-14 | 长春希达电子技术有限公司 | High-density small-spacing LED (light-emitting diode) spherical screen and design method thereof |
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| CN112037665A (en) | 2020-12-04 |
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