CN110880290B - LED display module, LED display screen and control equipment thereof - Google Patents
LED display module, LED display screen and control equipment thereof Download PDFInfo
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- CN110880290B CN110880290B CN201911244577.6A CN201911244577A CN110880290B CN 110880290 B CN110880290 B CN 110880290B CN 201911244577 A CN201911244577 A CN 201911244577A CN 110880290 B CN110880290 B CN 110880290B
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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]
Abstract
The invention discloses an LED display module, an LED display screen and control equipment thereof, wherein the LED display module comprises: the LED lamp module comprises an LED lamp module, a first bidirectional bus driver and a data feedback module; wherein: the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver and is used for forming a plurality of current signals which are input into the LED lamp module to generate feedback data; and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module. According to the embodiment of the invention, the bidirectional data transmission of the LED display module can be realized at low cost, so that the control system can automatically identify the information and the working state of the LED display module, and the intelligent control of the LED display module is realized.
Description
Technical Field
The invention relates to the field of LEDs, in particular to an LED display module, an LED display screen and control equipment thereof.
Background
Currently, an LED (Light Emitting Diode) display screen is a large display formed by splicing a plurality of small LED display modules in various different ways, and displays various media information such as text, images, videos and the like by controlling the Light emission of LEDs. The LED display screen has incomparable excellent characteristics such as seamless splicing, high brightness, low power consumption, stable performance and the like, and is widely applied to various fields such as railway civil aviation, stadiums, conference halls, highways, squares, superstores, stock market, security monitoring and the like.
With the continuous development of the technology-based industrial chain, product intellectualization has become the most important subject of the industry, and LED display screens are no exception. It is expected that the LED display screen system will gradually develop from a simple function, a single device, a closed control and a manual operation into an automatic, networked and multifunctional integrated intelligent information display system. However, from the use condition of most of the current LED display screens, real intelligence is not realized yet, and the LED display screens are still in a relatively primary application level, and some so-called intelligent LED display screens on the market are often only integrated with some common functional modules.
At present, data transmission of most LED display screens is unidirectional, the control system controls the display module through conveying data, the display module does not have feedback data, and the control system cannot analyze and judge the display module, so that the LED display screens cannot realize a plurality of intelligent functions like other intelligent display terminals. On the other hand, the scheme of adding a Flash memory in the display module or integrating the receiving card into the display module brings high cost, and the cost performance is too low.
In addition, when the display module does not have feedback data, the LED display screen will have a lot of not enough: firstly, the control system often cannot automatically identify the information and the working state of the display module, and professional and complex manual operation is needed for realizing playing and maintenance; its two, the power module of display screen can't realize intelligent power supply and power saving according to display module assembly's information and state, burns out display module assembly easily during hot plug, and the black screen consumption is very high.
Disclosure of Invention
In view of this, the present invention provides an LED display module, an LED display screen and a control device thereof, which can realize bidirectional data transmission of the LED display module at low cost, realize data feedback of the LED display module, enable a control system to automatically identify information and working state of the LED display module, and realize intelligent control of the LED display module.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to one aspect of the invention, an LED display module is provided, which includes an LED lamp module, a first bidirectional bus driver, and a data feedback module; wherein:
the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver and is used for forming a plurality of current signals which are input into the LED lamp module to generate feedback data;
and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module.
In one possible design, the LED display module further includes a first power input module for providing power connection to the first bidirectional bus driver and/or the data feedback module.
In one possible design, the data feedback module includes a plurality of pull-up resistors, and one end of each pull-up resistor is connected to the LED lamp module, and the other end of each pull-up resistor is connected to the first bidirectional bus driving module.
In one possible design, the data feedback module includes a plurality of pull-down resistors, and one end of each pull-down resistor is connected to the LED lamp module, and the other end of each pull-down resistor is connected to the first bidirectional bus driving module.
In one possible design, the LED lamp module includes an LED lamp load and a constant current driver for driving the LED lamp load.
According to another aspect of the present invention, an LED display screen is provided, where the LED display screen includes a control module and at least one LED display module according to any embodiment of the present invention, and the control module is electrically connected to the LED display module and is configured to control and feed back a working state of the LED display module.
In one possible design, the control module includes a patch panel including a signal output module, a second bidirectional bus driver; the second bidirectional bus driver is connected with the first bidirectional bus driver, and the signal output module is connected with an LED lamp module of the LED display module.
In one possible design, the control module further includes a receiving card, and the receiving card is connected with the signal output module.
In a possible design, the LED display screen further includes a connecting member, and the connecting member is used for electrically connecting the control module with the LED display module.
According to another aspect of the present invention, an LED display screen control device is provided, where the control device includes a control system and an LED display screen according to any embodiment of the present invention, where the control system is in communication connection with the LED display screen, and is configured to analyze feedback data returned by the LED display screen and determine a working state of the LED display screen.
Compared with the prior art, the invention provides an LED display module, an LED display screen and control equipment thereof, wherein the LED display module comprises an LED lamp module, a first bidirectional bus driver and a data feedback module; wherein: the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver and is used for forming a plurality of current signals which are input into the LED lamp module to generate feedback data; and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module. By arranging the LED lamp module, the data feedback module and the first bidirectional bus driver on the LED display module, and the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver, the data feedback module forms a plurality of current signals to be input into the LED display module to generate feedback data including information and working state of the LED display module, and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module, thereby leading the LED display module not to need to increase expensive devices such as a Flash memory and the like and not to increase the complexity of a driving circuit, the bidirectional data transmission of the LED display module can be realized at low cost, the data feedback of the LED display module is realized, the control system can automatically identify the information and the working state of the LED display module, and the intelligent control of the LED display module is realized.
Drawings
Fig. 1 is a schematic structural diagram of an LED display module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an LED display screen control device according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
In one embodiment, as shown in fig. 1, the present invention provides an LED display module 10, where the LED display module 10 includes an LED lamp module 11, a PCB (Printed Circuit Board) Circuit Board 12, a first bidirectional bus driver 13, a data feedback module 16, and a first power input module 17, and the LED lamp module 11, the first bidirectional bus driver 13, the data feedback module 16, and the first power input module 17 are all disposed on the PCB Circuit Board 12. Wherein:
the LED lamp module 11 is disposed on the PCB board 12 and connected to the first bidirectional bus driver 13.
Specifically, the LED lamp module 11 includes an LED lamp load 111 and a constant current driver 112 for driving the LED lamp load 111, and the LED lamp load 111 is connected to the first bidirectional bus driver 13.
Optionally, the LED lamp load 111 comprises LED lamps of different packaging forms, for example: pin type packages, power type packages, SMD Surface Mounted Devices (Surface Mounted Devices), and COB direct mount packages (Chip-On-Board).
The data feedback module 16 is disposed between the LED lamp module 11 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp module 11 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp module 11 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Specifically, the data feedback module 16 is disposed between the LED lamp load 111 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp load 111 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp load 111 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Optionally, the data feedback module 16 includes a plurality of pull-up resistors, and one end of each pull-up resistor is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-up resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driver module 13.
Optionally, the data feedback module 16 includes a plurality of pull-down resistors R2, and one end of each pull-down resistor R2 is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-down resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driving module 13.
The first bidirectional bus driver 13 is disposed on the PCB 12 and is used for transmitting and receiving data to and from the LED lamp module 11 and the data feedback module 16.
The first power input module 17 is configured to provide power connections for the LED lamp module 11 (including the LED lamp load 111 and the constant current driver 112), the PCB 12, the first bidirectional bus driver 13, and the data feedback module 16, respectively.
In the embodiment, by arranging the LED lamp module, the data feedback module and the first bidirectional bus driver in the LED display module, and the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver, the data feedback module forms a plurality of current signals to be input into the LED display module to generate feedback data including information and working state of the LED display module, and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module, thereby leading the LED display module not to need to increase expensive devices such as a Flash memory and the like and not to increase the complexity of a driving circuit, the bidirectional data transmission of the LED display module can be realized at low cost, the data feedback of the LED display module is realized, the control system can automatically identify the information and the working state of the LED display module, and the intelligent control of the LED display module is realized.
In one embodiment, as shown in fig. 2 and fig. 3, the present invention provides an LED display screen, where the LED display screen 100 includes a control module 20 and at least one LED display module 10 as described in any one of the above embodiments, and the control module 20 is electrically connected to the LED display module 10 for controlling and feeding back the operating state of the LED display module 10.
Specifically, the LED display module 10 includes an LED lamp module 11, a PCB circuit board 12, a first bidirectional bus driver 13, a data feedback module 16, and a first power input module 17, where the LED lamp module 11, the first bidirectional bus driver 13, the data feedback module 16, and the first power input module 17 are all disposed on the PCB circuit board 12. Wherein:
the LED lamp module 11 is disposed on the PCB board 12 and connected to the first bidirectional bus driver 13.
Specifically, the LED lamp module 11 includes an LED lamp load 111 and a constant current driver 112 for driving the LED lamp load 111, and the LED lamp load 111 is connected to the first bidirectional bus driver 13.
Optionally, the LED lamp load 111 comprises LED lamps of different packaging forms, for example: pin type packaging, power type packaging, SMD (surface mounted device) surface mount packaging and COB (chip on board) direct-mount packaging.
The data feedback module 16 is disposed between the LED lamp module 11 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp module 11 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp module 11 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Specifically, the data feedback module 16 is disposed between the LED lamp load 111 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp load 111 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp load 111 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Optionally, the data feedback module 16 includes a plurality of pull-up resistors, and one end of each pull-up resistor is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-up resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driver module 13.
Optionally, the data feedback module 16 includes a plurality of pull-down resistors R2, and one end of each pull-down resistor R2 is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-down resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driving module 13.
The first bidirectional bus driver 13 is disposed on the PCB 12 and is used for transmitting and receiving data to and from the LED lamp module 11 and the data feedback module 16.
The first power input module 17 is configured to provide power connections for the LED lamp module 11 (including the LED lamp load 111 and the constant current driver 112), the PCB 12, the first bidirectional bus driver 13, and the data feedback module 16, respectively.
Specifically, the control module 20 includes a switch board 21, the switch board 21 includes a signal output module 212 and a second bidirectional bus driver 213, and the signal output module 212 is connected to the second bidirectional bus driver 213.
The second bidirectional bus driver 213 is connected to the first bidirectional bus driver 13, and the signal output module 212 is connected to the LED lamp module 11 of the LED display module.
In one embodiment, the control module 20 further comprises a receiving card 22, and the receiving card 22 is connected to the signal output module 212 for transmitting the feedback data generated by the data feedback module 16 of the LED display module 10 back to the control system.
In one embodiment, the LED display screen 100 further includes a connecting member 30, and the connecting member 30 is used for electrically connecting the control module 20 and the LED display module 10.
Specifically, the connecting member 30 electrically connects the signal output module 212 of the control module 20 with the LED lamp load 111 of the LED lamp module 11 of the LED display module 10.
Alternatively, the connector 30 may be a connector, such as a pin header, a female header, or other type of connector, or a cable or power cord.
In one embodiment, the LED display screen 100 further comprises a second power input module 40, wherein the second power input module 40 is used for providing power connection for the receiving card 22 and the second bidirectional bus driver 213 of the control module 20, respectively.
In one embodiment, the LED display screen 100 further comprises a screen structure (not shown) for packaging the LED display module 10 and the control module 20 together.
In this embodiment, an LED display module is provided with an LED lamp module, a data feedback module and a first bidirectional bus driver, the data feedback module is connected to the LED lamp module and the first bidirectional bus driver, and a control module is provided with a switch board, the switch board comprises a signal output module and a second bidirectional bus driver, the second bidirectional bus driver is connected to the first bidirectional bus driver, the signal output module is connected to the LED lamp module of the LED display module, so that the data feedback module forms a plurality of current signals to be input to the LED display module to generate feedback data including information and working status of the LED display module, and the feedback data is transmitted back to the control system through the signal output module of the switch board of the control module and the second bidirectional bus driver, thereby the LED display module does not need to add expensive devices such as Flash memory and the like, the LED display module can realize bidirectional data transmission of the LED display module at low cost without increasing the complexity of a driving circuit, realize data feedback of the LED display module, enable a control system to read back and analyze data fed back by the LED display module, automatically identify information and working state of the LED display module, realize intelligent control of the LED display module and enable the LED display screen to become an intelligent display screen in the true sense.
In one embodiment, as shown in fig. 4, the present invention provides an LED display screen control device, which includes a control system 200 and the LED display screen 100 described in any of the above embodiments; wherein: the control system 200 is in communication connection with the LED display screen 100, and is configured to analyze feedback data returned by the LED display screen 100, and determine a working state of the LED display screen 100.
Specifically, the LED display screen 100 includes a control module 20 and at least one LED display module 10 according to any of the above embodiments, wherein the control module 20 is electrically connected to the LED display module 10 for controlling and feeding back the operating state of the LED display module 10.
Specifically, the LED display module 10 includes an LED lamp module 11, a PCB circuit board 12, a first bidirectional bus driver 13, a data feedback module 16, and a first power input module 17, where the LED lamp module 11, the first bidirectional bus driver 13, the data feedback module 16, and the first power input module 17 are all disposed on the PCB circuit board 12. Wherein:
the LED lamp module 11 is disposed on the PCB board 12 and connected to the first bidirectional bus driver 13.
Specifically, the LED lamp module 11 includes an LED lamp load 111 and a constant current driver 112 for driving the LED lamp load 111, and the LED lamp load 111 is connected to the first bidirectional bus driver 13.
Optionally, the LED lamp load 111 comprises LED lamps of different packaging forms, for example: pin type packaging, power type packaging, SMD (surface mounted device) surface mount packaging and COB (chip on board) direct-mount packaging.
The data feedback module 16 is disposed between the LED lamp module 11 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp module 11 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp module 11 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Specifically, the data feedback module 16 is disposed between the LED lamp load 111 and the first bidirectional bus driver 13, and the data feedback module 16 is respectively connected to the LED lamp load 111 and the first bidirectional bus driver 13, and is configured to form a plurality of current signals to be input to the LED lamp load 111 to generate feedback data. The feedback data comprises information and working state of the LED display module.
Optionally, the data feedback module 16 includes a plurality of pull-up resistors, and one end of each pull-up resistor is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-up resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driver module 13.
Optionally, the data feedback module 16 includes a plurality of pull-down resistors R2, and one end of each pull-down resistor R2 is connected to the LED lamp module 11, and the other end is connected to the first bidirectional bus driving module 13. Specifically, one end of each pull-down resistor is connected to the LED lamp load 111, and the other end is connected to the first bidirectional bus driving module 13.
The first bidirectional bus driver 13 is disposed on the PCB 12 and is used for transmitting and receiving data to and from the LED lamp module 11 and the data feedback module 16.
The first power input module 17 is configured to provide power connections for the LED lamp module 11 (including the LED lamp load 111 and the constant current driver 112), the PCB 12, the first bidirectional bus driver 13, and the data feedback module 16, respectively.
Specifically, the control module 20 includes a switch board 21, the switch board 21 includes a signal output module 212 and a second bidirectional bus driver 213, and the signal output module 212 is connected to the second bidirectional bus driver 213.
The second bidirectional bus driver 213 is connected to the first bidirectional bus driver 13, and the signal output module 212 is connected to the LED lamp module 11 of the LED display module.
In one embodiment, the control module 20 further comprises a receiving card 22, and the receiving card 22 is connected to the signal output module 212 for transmitting the feedback data generated by the data feedback module 16 of the LED display module 10 back to the control system.
In one embodiment, the LED display screen 100 further includes a connecting member 30, and the connecting member 30 is used for electrically connecting the control module 20 and the LED display module 10.
Specifically, the connecting member 30 electrically connects the signal output module 212 of the control module 20 with the LED lamp load 111 of the LED lamp module 11 of the LED display module 10.
Alternatively, the connector 30 may be a connector, such as a pin header, a female header, or other type of connector, or a cable or power cord.
In one embodiment, the LED display screen 100 further comprises a second power input module 40, wherein the second power input module 40 is used for providing power connection for the receiving card 22 and the second bidirectional bus driver 213 of the control module 20, respectively.
In one embodiment, the LED display screen 100 further comprises a screen structure (not shown) for packaging the LED display module 10 and the control module 20 together.
Specifically, the control system 200 is connected to the control module 20 of the LED display screen in a wired manner. Specifically, the control system 200 is connected to the receiving card 22 of the control module 20 via a network cable.
In this embodiment, the first bidirectional bus driver and the second bidirectional bus driver are bidirectionally conducted, an LED display module is provided with an LED lamp module, a data feedback module and the first bidirectional bus driver, the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver, a switch board is arranged in the control module, the switch board comprises a signal output module and a second bidirectional bus driver, the second bidirectional bus driver is connected with the first bidirectional bus driver, the signal output module is connected with the LED lamp module of the LED display module, the data feedback module forms a plurality of current signals to be input to the LED display module to generate feedback data including information and working state of the LED display module, and the feedback data are transmitted back to the control system through the signal output module of the switch board of the control module and the second bidirectional bus driver, therefore, the LED display module does not need to be added with expensive devices such as a Flash memory and the like, the complexity of a driving circuit is not increased, the bidirectional data transmission of the LED display module can be realized at low cost, the data feedback of the LED display module is realized, the control system can be realized at low cost to read back and analyze the data fed back by the LED display module, the information and the working state of the LED display module can be automatically identified, the working state of the display module is judged, the intelligent control of intelligent configuration programs, automatic playing contents, energy-saving black screen standby, module hot plugging and unplugging, module work abnormity prompting and the like of the LED display screen is realized, and the LED display screen becomes an intelligent display screen in the true sense.
Control system carries out analysis processes through the data to the LED display module assembly passback, not only can intelligent recognition LED display module assembly's model wait information (if contained this money LED display module assembly in the database), can also judge LED display module assembly's different states (including not inserting, insert normal work and insert work anomaly, wherein, insert the meaning that represents that LED display module assembly links to each other with control module).
The embodiment of the invention provides an LED display screen control device which can automatically identify the information and the working state of an LED display module, and can enable the LED display screen to realize the following functions:
1. the model of the LED display module is intelligently identified, and a corresponding preparation program is automatically called to realize quick lighting;
2. when the control system judges that all the LED display modules are connected, the data source can be automatically called to control the playing of the LED display screen;
3. when the control system judges that all the LED display modules are not installed, the control module can be in a low-power standby state, and the electricity and energy saving of the black screen of the LED display screen is realized; meanwhile, the control module is in a low-power state, which means that the LED display module cannot be burnt out when being plugged, namely, the safety belt of the LED display module is electrically plugged;
4. when the work of a certain LED display module is judged to be abnormal, a prompt can be automatically given in a system interface of the LED display screen control equipment.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An LED display module is characterized by comprising an LED lamp module, a first bidirectional bus driver and a data feedback module; wherein:
the data feedback module is respectively connected with the LED lamp module and the first bidirectional bus driver and is used for forming a plurality of current signals which are input into the LED lamp module to generate feedback data; the feedback data comprise information and working states of the LED display module, and the configuration of the LED display module is identified through the feedback data;
and the first bidirectional bus driver is used for sending and receiving data to the LED lamp module and the data feedback module.
2. The LED display module of claim 1, further comprising a first power input module for providing power connection to the first bi-directional bus driver and/or the data feedback module.
3. The LED display module of claim 2, wherein the data feedback module comprises a plurality of pull-up resistors, and one end of each pull-up resistor is connected to the LED lamp module, and the other end of each pull-up resistor is connected to the first bidirectional bus driving module.
4. The LED display module of claim 1, wherein the data feedback module comprises a plurality of pull-down resistors, and one end of each pull-down resistor is connected to the LED lamp module, and the other end of each pull-down resistor is connected to the first bi-directional bus driving module.
5. The LED display module of claim 1, wherein the LED lamp module comprises an LED lamp load and a constant current driver for driving the LED lamp load.
6. An LED display screen, characterized in that, the LED display screen includes a control module and at least one LED display module set according to any one of claims 1 to 5, the control module is electrically connected with the LED display module set and is used for controlling and feeding back the working state of the LED display module set.
7. The LED display screen of claim 6, wherein the control module comprises an adapter board comprising a signal output module, a second bidirectional bus driver; the second bidirectional bus driver is connected with the first bidirectional bus driver, and the signal output module is connected with an LED lamp module of the LED display module.
8. The LED display screen of claim 7, wherein the control module further comprises a receiving card, and the receiving card is connected with the signal output module.
9. The LED display screen of claim 6, further comprising a connector for electrically connecting the control module to the LED display module.
10. An LED display screen control device, characterized in that the control device comprises a control system and an LED display screen according to any one of claims 6 to 9, wherein the control system is connected in communication with the LED display screen and configured to analyze feedback data returned by the LED display screen and determine an operating state of the LED display screen.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244577.6A CN110880290B (en) | 2019-12-07 | 2019-12-07 | LED display module, LED display screen and control equipment thereof |
| PCT/CN2020/096944 WO2021109539A1 (en) | 2019-12-07 | 2020-06-19 | Led display module, and led display screen and control device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244577.6A CN110880290B (en) | 2019-12-07 | 2019-12-07 | LED display module, LED display screen and control equipment thereof |
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| CN110880290A CN110880290A (en) | 2020-03-13 |
| CN110880290B true CN110880290B (en) | 2021-08-27 |
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| CN (1) | CN110880290B (en) |
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| CN110880290B (en) * | 2019-12-07 | 2021-08-27 | 深圳蓝普科技有限公司 | LED display module, LED display screen and control equipment thereof |
| CN112562581A (en) * | 2020-12-29 | 2021-03-26 | 深圳市乐美客视云科技有限公司 | Transmission system, method and device for automatic point screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005310998A (en) * | 2004-04-20 | 2005-11-04 | Sony Corp | Fixed current driving device, back light optical source apparatus and color liquid crystal display device |
| CN203366701U (en) * | 2013-06-26 | 2013-12-25 | 河南鸿升光电科技有限公司 | LED lamp with detecting function |
| CN206322459U (en) * | 2016-12-12 | 2017-07-11 | 大连集思特科技有限公司 | A kind of LED intelligent glass SD card video source display device |
| CN207852281U (en) * | 2018-03-08 | 2018-09-11 | 深圳市洲明科技股份有限公司 | LED display modules and LED display |
| CN209543815U (en) * | 2019-03-25 | 2019-10-25 | 上海安路信息科技有限公司 | Display module and display system applied to light emitting diode (LED) display screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10116040A (en) * | 1996-10-11 | 1998-05-06 | Nippon Signal Co Ltd:The | Led display device with state detective function |
| CN107464511A (en) * | 2017-08-17 | 2017-12-12 | 苏州瑞光电子科技股份有限公司 | A kind of detection circuit of LED display, method and system |
| CN108154811A (en) * | 2018-03-08 | 2018-06-12 | 深圳市洲明科技股份有限公司 | A kind of LED display modules and LED display |
| CN208423793U (en) * | 2018-06-20 | 2019-01-22 | 浙江大华技术股份有限公司 | A kind of upper electrical protective device, cabinet and LED display |
| CN110111730B (en) * | 2019-06-21 | 2023-08-22 | 深圳市洲明科技股份有限公司 | Display screen dynamic control system and display screen |
| CN110880290B (en) * | 2019-12-07 | 2021-08-27 | 深圳蓝普科技有限公司 | LED display module, LED display screen and control equipment thereof |
-
2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005310998A (en) * | 2004-04-20 | 2005-11-04 | Sony Corp | Fixed current driving device, back light optical source apparatus and color liquid crystal display device |
| CN203366701U (en) * | 2013-06-26 | 2013-12-25 | 河南鸿升光电科技有限公司 | LED lamp with detecting function |
| CN206322459U (en) * | 2016-12-12 | 2017-07-11 | 大连集思特科技有限公司 | A kind of LED intelligent glass SD card video source display device |
| CN207852281U (en) * | 2018-03-08 | 2018-09-11 | 深圳市洲明科技股份有限公司 | LED display modules and LED display |
| CN209543815U (en) * | 2019-03-25 | 2019-10-25 | 上海安路信息科技有限公司 | Display module and display system applied to light emitting diode (LED) display screen |
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| WO2021109539A1 (en) | 2021-06-10 |
| CN110880290A (en) | 2020-03-13 |
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