CN113223445A - Data transmission method and system applied to LED chip and related assembly - Google Patents

Data transmission method and system applied to LED chip and related assembly Download PDF

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Publication number
CN113223445A
CN113223445A CN202010058992.9A CN202010058992A CN113223445A CN 113223445 A CN113223445 A CN 113223445A CN 202010058992 A CN202010058992 A CN 202010058992A CN 113223445 A CN113223445 A CN 113223445A
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independent
data
address
led chips
data transmission
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苏薇君
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Xiamen Lingyang Huaxin Technology Co ltd
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Xiamen Lingyang Huaxin Technology Co ltd
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Priority to CN202010058992.9A priority Critical patent/CN113223445A/en
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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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)

Abstract

The application discloses a data transmission method applied to a display control device, the display control device comprises a control module, a plurality of data lines and a plurality of LED chips connected in parallel on each data line, and the data transmission method comprises the following steps: setting independent addresses for all the LED chips on each data line; performing the following operations by each LED chip: acquiring an address in data sent by a control module; judging whether the address is consistent with the independent address of the address; and if so, receiving the data sent by the control module. The application can ensure that each LED chip can not influence each other in the data transmission process, has high reliability, can realize the control of a single LED chip, and has stronger flexibility. The application also discloses a data transmission system, an electronic device and a computer readable storage medium applied to the display control device, which have the beneficial effects.

Description

Data transmission method and system applied to LED chip and related assembly
Technical Field
The present disclosure relates to the field of display control, and more particularly, to a data transmission method and system for an LED chip, and related components.
Background
Referring to fig. 1, in the current display control device, LED chips are connected in series, each LED chip performs data transmission and connection through an SDI interface and an SDO interface, and MBI5353 is an LED chip in fig. 1, it can be understood that data transmission is performed in series, the required time is long, and in the transmission process, if a certain LED chip is damaged, each LED chip connected behind the certain LED chip cannot receive data, and in addition, if data is to be issued to a certain LED chip in a string of LED chips, a control module needs to send data of a next whole string according to the serial sequence of the LED chips, and cannot send data of a next certain segment to a certain LED chip, and the flexibility is poor.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a data transmission method, a data transmission system, electronic equipment and a computer readable storage medium applied to a display control device, which can ensure that each LED chip cannot influence each other in the data transmission process, have high reliability, can realize the control of a single LED chip, and have strong flexibility.
In order to solve the above technical problem, the present application provides a data transmission method applied to a display control device, where the display control device includes a control module, a plurality of data lines, and a plurality of LED chips connected in parallel to each of the data lines, and the data transmission method includes:
setting independent addresses for all the LED chips on each data line;
performing, by each of the LED chips:
acquiring an address in the data sent by the control module;
judging whether the address is consistent with the independent address of the address;
and if so, receiving the data sent by the control module.
Preferably, the process of setting independent addresses for all the LED chips on each data line specifically includes:
and setting independent voltage levels for all the LED chips on each data line through a voltage division module, and taking the independent voltage levels as the independent addresses.
Preferably, the process of setting independent addresses for all the LED chips on each data line specifically includes:
and inputting independent pulse waves to all the LED chips on each data line, and taking the number of the pulse waves as the independent address.
Preferably, the process of setting independent addresses for all the LED chips on each data line specifically includes:
and inputting independent pulse modulation signals to all the LED chips on each data line, and taking the duty ratio of the pulse modulation signals as the independent address.
Preferably, the voltage division module includes P resistors connected in series, where P is an integer greater than 1.
In order to solve the above technical problem, the present application further provides a data transmission system applied to a display control device, where the display control device includes a control module, a plurality of data lines and a plurality of LED chips connected in parallel to each of the data lines, and the data transmission system includes:
the addressing module is used for setting independent addresses for all the LED chips on each data line;
and the transmission module corresponding to each LED chip is used for acquiring an address in the data sent by the control module, judging whether the address is consistent with the independent address of the transmission module, and receiving the data sent by the control module if the address is consistent with the independent address of the transmission module.
Preferably, the addressing module is specifically configured to:
and setting independent voltage levels for all the LED chips on each data line through a voltage division module, and taking the independent voltage levels as the independent addresses.
Preferably, the addressing module is specifically configured to:
and inputting independent pulse waves to all the LED chips on each data line, and taking the number of the pulse waves as the independent address.
In order to solve the above technical problem, the present application further provides an electronic device, including:
a memory for storing a computer program;
a processor for implementing the steps of the data transmission method applied to the display control device as described in any one of the above when executing the computer program.
To solve the above technical problem, the present application further provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the data transmission method applied to the display control apparatus as described in any one of the above.
The application provides a data transmission method applied to a display control device, a plurality of LED chips are connected on a data line in parallel, so that a control module transmits data to the corresponding LED chips through the data line, in the data transmission process, the LED chips cannot influence each other, when one LED chip is damaged in function, other LED chips on the same data line can still receive the data, the reliability is high, the application endows the LED chips with independent addresses, so that each LED chip can receive the data corresponding to the independent address of the LED chip, the data transmission of the display control device is completed, meanwhile, the control module can issue the data according to the independent address of the target LED chip, the control on the single LED chip is realized, and the flexibility is strong. The application also provides a data transmission system, an electronic device and a computer readable storage medium applied to the display control device, and the data transmission system, the electronic device and the computer readable storage medium have the same beneficial effects as the data transmission method.
Drawings
In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of a display control apparatus in the prior art;
fig. 2 is a schematic structural diagram of a display control apparatus provided in the present application;
FIG. 3 is a flowchart illustrating steps of a data transmission method applied to a display control apparatus according to the present disclosure;
FIG. 4 is a schematic structural diagram of another display control apparatus provided in the present application;
FIG. 5 is a schematic diagram illustrating an addressing operation implemented by a pulse wave according to the present application;
FIG. 6 is a schematic diagram illustrating an addressing operation implemented by PWM signals according to the present application;
fig. 7 is a schematic structural diagram of a data transmission system applied to a display control device according to the present application;
fig. 8 is a schematic structural diagram of an electronic device provided in the present application.
Detailed Description
The core of the application is to provide a data transmission method, a data transmission system, an electronic device and a computer readable storage medium applied to a display control device, which can ensure that each LED chip does not affect each other in the data transmission process, have high reliability, can realize the control of a single LED chip, and have strong flexibility.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For the convenience of understanding the data transmission method provided in the present application, a display control apparatus to which the data transmission method of the present application is applied will be described below. Referring to fig. 2, a schematic structural diagram of a display control apparatus according to an embodiment of the present application is shown.
As shown in fig. 2, the display control device provided in the embodiment of the present application includes a control module 01, a plurality of data lines, and a plurality of LED chips connected in parallel to each data line, where the plurality of data lines include a data line 1, a data line 2, … …, and a data line M, each data line includes N LED chips, which are respectively a first LED chip L1, a second LED chip L2, … …, and an nth LED chip LN, and in fig. 2, only the marks of the LED chips connected in parallel to the data line M are shown, and the LED chips on the other data lines are similar. The control module 01 sends data to the LED chips connected in parallel on the data line through the data line, so that the LED chips control the LED assembly. It can be understood that a plurality of LED chips are connected in parallel to the data line, and in the data transmission process, the LED chips do not affect each other, and when a function of one LED chip is damaged, other LED chips on the same data line can still receive data, so that the reliability is high.
The following describes the data transmission method provided in the present application in detail.
Referring to fig. 3, fig. 3 is a flowchart illustrating a data transmission method applied to a display control apparatus according to the present application, where the data transmission method includes:
s101: setting independent addresses for all the LED chips on each data line;
specifically, in order to facilitate subsequent data transmission, in this embodiment, an independent address is first defined for all the LED chips connected to the same data line, that is, an addressing operation is performed on each LED chip.
As a preferred embodiment, independent voltage levels can be set for all LED chips on each data line by using the voltage dividing module as an addressing module, and the independent voltage levels are used as independent addresses. The voltage dividing module may include P resistors connected in series, as shown in fig. 4, the voltage dividing module includes a power source and P resistors, which are respectively a first resistor R1A second resistor of R2… …, the P-th resistor RpThe voltage dividing point is connected with the addressing interface of the LED chip so as to realize the voltage level setting of each LED chip through the resistor voltage division, for example, the first resistor R1And a second resistor R2The voltage dividing point is connected with the addressing interface of the second LED chip on the data line 1 so as to pass through the first resistor R1And a second resistor R2And allocating voltage level for the second LED chip. Each LED chipEach of the LED chips may include an analog-to-digital converter, which obtains voltage level data as an independent address of the LED chip. In order to reduce the connection ports with the control module, the LED chips at the same position on each data line are all connected to the same voltage dividing point, e.g. the second LED chip on the data line 1 and the second LED chip on the data line 2 are all connected to the first resistor R1And a second resistor R2The partial pressure point in between.
As a preferred embodiment, independent pulse waves may be input to all the LED chips on each data line, with the number of pulse waves as independent addresses. Specifically, different numbers of pulse waves can be input to the LED chips on the same data line through the addressing module, as shown in fig. 5. The number of the pulse waves is calculated inside the LED chip and is used as an independent address of the LED chip, and specifically, the control module can be used as an addressing module to input the pulse waves of different data to each LED chip on the same data line.
As a preferred embodiment, it is also possible to input independent pulse modulation signals to all the LED chips on each data line, and the duty ratios of the pulse modulation signals are used as independent addresses. Specifically, pulse modulation signals with different duty ratios, i.e., PWM signals, can be input to the LED chips on the same data line through the addressing module, as shown in fig. 6. The duty ratio of the PWM signal is calculated inside the LED chip, the duty ratio is used as an independent address of the LED chip, and specifically, pulse modulation signals with different duty ratios can be input to each LED chip on the same data line by using the control module as an addressing module.
S102: performing the following operations by each LED chip:
acquiring an address in data sent by a control module;
judging whether the address is consistent with the independent address of the address;
and if so, receiving the data sent by the control module.
Specifically, before the control module sends data to each LED chip, the address of each LED chip is determined, that is, the data sent by the control module is data with the address of the LED chip, when data is transmitted on the data line, each LED chip performs the following operation, that is, obtains the address in the data on the data line, and determines whether the address is consistent with its own independent address, if so, receives the data on the data line, and if not, does not receive the data. Because the data transmission scheme in the application comprises operations of addressing, addressing and the like, the control module can issue data according to the independent address of the target LED chip, so that the control of a single LED chip is realized, and the flexibility is strong.
It can be seen that, this embodiment connects a plurality of LED chips in parallel on the data line, so that the control module transmits data to the corresponding LED chip through this data line, in the data transmission process, each LED chip can not influence each other, when a certain LED chip is damaged in function, other LED chips on the same data line can still receive data, the reliability is high, and this application has given independent address for each LED chip, so that each LED chip can receive the data corresponding to its own independent address, accomplish the data transmission of the display control device, and the control module can issue data according to the independent address of the target LED chip simultaneously, thereby realize the control to a single LED chip, and the flexibility is stronger.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a data transmission system applied to a display control device according to the present application, where the display control device includes a control module, a plurality of data lines, and a plurality of LED chips connected in parallel to each data line, and the data transmission system includes:
the addressing module 11 is used for setting independent addresses for all the LED chips on each data line;
and the transmission module 12 corresponding to each LED chip is used for acquiring an address in the data sent by the control module, judging whether the address is consistent with the independent address of the transmission module, and if so, receiving the data sent by the control module.
It can be seen that, this embodiment connects a plurality of LED chips in parallel on the data line, so that the control module transmits data to the corresponding LED chip through this data line, in the data transmission process, each LED chip can not influence each other, when a certain LED chip is damaged in function, other LED chips on the same data line can still receive data, the reliability is high, and this application has given independent address for each LED chip, so that each LED chip can receive the data corresponding to its own independent address, accomplish the data transmission of the display control device, and the control module can issue data according to the independent address of the target LED chip simultaneously, thereby realize the control to a single LED chip, and the flexibility is stronger.
As a preferred embodiment, the addressing module 11 is specifically configured to:
independent voltage levels are set for all the LED chips on each data line through the voltage division module, and the independent voltage levels are used as independent addresses.
As a preferred embodiment, the addressing module 11 is specifically configured to:
independent pulse waves are input to all the LED chips on each data line, and the number of the pulse waves is used as an independent address.
As a preferred embodiment, the process of setting independent addresses for all LED chips on each data line specifically includes:
and inputting independent pulse modulation signals to all the LED chips on each data line, and taking the duty ratio of the pulse modulation signals as independent addresses.
In a preferred embodiment, the voltage dividing module includes P resistors connected in series, where P is an integer greater than 1.
On the other hand, the present application also provides an electronic device, as shown in fig. 8, which shows a schematic structural diagram of an electronic device according to an embodiment of the present application, where the electronic device 2100 according to the embodiment may include: a processor 2101 and a memory 2102.
Optionally, the electronic device may further comprise a communication interface 2103, an input unit 2104 and a display 2105 and a communication bus 2106.
The processor 2101, the memory 2102, the communication interface 2103, the input unit 2104, the display 2105, and the like communicate with each other via the communication bus 2106.
In the embodiment of the present application, the processor 2101 may be a Central Processing Unit (CPU), an application specific integrated circuit (asic), a digital signal processor, an off-the-shelf programmable gate array (fpga) or other programmable logic device (plc).
The processor may call a program stored in the memory 2102. Specifically, the processor may perform operations performed on the electronic device side in the following embodiments of the data transmission method applied to the display control apparatus.
The memory 2102 stores one or more programs, which may include program codes including computer operating instructions, and in this embodiment, at least one program for implementing the functions of any of the above embodiments is stored in the memory.
It can be seen that, this embodiment connects a plurality of LED chips in parallel on the data line, so that the control module transmits data to the corresponding LED chip through this data line, in the data transmission process, each LED chip can not influence each other, when a certain LED chip is damaged in function, other LED chips on the same data line can still receive data, the reliability is high, and this application has given independent address for each LED chip, so that each LED chip can receive the data corresponding to its own independent address, accomplish the data transmission of the display control device, and the control module can issue data according to the independent address of the target LED chip simultaneously, thereby realize the control to a single LED chip, and the flexibility is stronger.
In one possible implementation, the memory 2102 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function (such as a pulse number calculation function, etc.), and the like; the storage data area may store data created according to the use of the computer.
Further, the memory 2102 may include high speed random access memory, and may also include non-volatile memory, such as at least one disk storage device or other volatile solid state storage device.
The communication interface 2103 may be an interface of a communication module, such as an interface of a GSM module.
The present application may also include a display 2104 and an input unit 2105, among others.
Of course, the structure of the internet of things device shown in fig. 8 does not constitute a limitation on the internet of things device in the embodiment of the present application, and in practical applications, the electronic device may include more or less components than those shown in fig. 8, or some components in combination.
In order to solve the above technical problem, the present application further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the data transmission method applied to the display control apparatus as described in any one of the above embodiments.
For the introduction of a computer-readable storage medium provided in the present application, please refer to the above embodiments, which are not described herein again.
The computer-readable storage medium provided by the present application has the same advantageous effects as the above-described data transmission method applied to the display control apparatus.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A data transmission method applied to a display control device is characterized in that the display control device comprises a control module, a plurality of data lines and a plurality of LED chips connected in parallel on each data line, and the data transmission method comprises the following steps:
setting independent addresses for all the LED chips on each data line;
performing, by each of the LED chips:
acquiring an address in the data sent by the control module;
judging whether the address is consistent with the independent address of the address;
and if so, receiving the data sent by the control module.
2. The data transmission method applied to the display control device according to claim 1, wherein the process of setting the independent addresses for all the LED chips on each data line is specifically as follows:
and setting independent voltage levels for all the LED chips on each data line through a voltage division module, and taking the independent voltage levels as the independent addresses.
3. The data transmission method applied to the display control device according to claim 1, wherein the process of setting the independent addresses for all the LED chips on each data line is specifically as follows:
and inputting independent pulse waves to all the LED chips on each data line, and taking the number of the pulse waves as the independent address.
4. The data transmission method applied to the display control device according to claim 1, wherein the process of setting the independent addresses for all the LED chips on each data line is specifically as follows:
and inputting independent pulse modulation signals to all the LED chips on each data line, and taking the duty ratio of the pulse modulation signals as the independent address.
5. The data transmission method applied to the display control device according to claim 2, wherein the voltage dividing module comprises P resistors connected in series, where P is an integer greater than 1.
6. A data transmission system applied to a display control device is characterized in that the display control device comprises a control module, a plurality of data lines and a plurality of LED chips connected in parallel on each data line, and the data transmission system comprises:
the addressing module is used for setting independent addresses for all the LED chips on each data line;
and the transmission module corresponding to each LED chip is used for acquiring an address in the data sent by the control module, judging whether the address is consistent with the independent address of the transmission module, and receiving the data sent by the control module if the address is consistent with the independent address of the transmission module.
7. The data transmission system applied to the display control device according to claim 6, wherein the addressing module is specifically configured to:
and setting independent voltage levels for all the LED chips on each data line through a voltage division module, and taking the independent voltage levels as the independent addresses.
8. The data transmission system applied to the display control device according to claim 6, wherein the addressing module is specifically configured to:
and inputting independent pulse waves to all the LED chips on each data line, and taking the number of the pulse waves as the independent address.
9. An electronic device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the data transmission method as claimed in any one of claims 1 to 5 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the data transmission method applied to a display control apparatus according to any one of claims 1 to 5.
CN202010058992.9A 2020-01-19 2020-01-19 Data transmission method and system applied to LED chip and related assembly Pending CN113223445A (en)

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CN117542310A (en) * 2023-11-24 2024-02-09 深圳御光新材料有限公司 Online address writing method and device, electronic equipment and storage medium
CN117542310B (en) * 2023-11-24 2024-07-19 深圳御光新材料有限公司 Online address writing method and device, electronic equipment and storage medium

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