CN215069168U

CN215069168U - LED module and display screen based on 32 scanning changes into 64 scanning

Info

Publication number: CN215069168U
Application number: CN202121274760.3U
Authority: CN
Inventors: 陈杰明
Original assignee: Guangdong Charming Lighting Co ltd
Current assignee: Guangdong Charming Lighting Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-12-07
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a change into LED module and display screen of 64 scans based on 32 scans. The LED module based on the change from 32 scanning to 64 scanning is reformed on the original 32 scanning P3-LED module, a second input end interface and a second input end interface of a driving interface are not used after the reforming is finished, meanwhile, in order to keep a high refresh rate, a signal adapter plate needs to be additionally connected, the original second input end interface is connected with a second output end interface, meanwhile, in the process of assembling a display screen by using the LED module subsequently, the second output end interface of one LED module is connected with the first input end interface of the other LED module, the first output end interface of one LED module is connected with the second input end interface of the other LED module, the standard interface of an original control card is compatible, meanwhile, the signal adapter plate does not need to be additionally connected, and the connection of signal lines is also reduced.

Description

LED module and display screen based on 32 scanning changes into 64 scanning

Technical Field

The utility model relates to a display screen technical field especially relates to a change into LED module and display screen of 64 scans based on 32 scans.

Background

The conventional indoor P3-LED module is 32-scan, as shown in fig. 1, its interface with the controller generally adopts HUB75, one LED display panel 64X64 point needs to use 2 groups of data (column driving signals), i.e. D1 and D2, each group of data completes 32-scan, D1 completes 32-point scan control of the upper half LED display panel, and D2 completes 32-point scan control of the lower half LED display panel. As shown in the connection diagram of the controller in fig. 2, to carry a display surface with 256 × 256 dots, 8 signal bus lines are required for connecting the controller and the LED display panel.

When the indoor P3-LED module is changed from 32 scan to 64 scan, as shown in FIG. 3, the P3 module 64 scan can realize the scan control of 64X64 points by using a set of data D1 in the conventional manner. However, the control card interface HUB75 using the same standard is 2 groups of data, i.e. D1 and D2, when the P3-LED module is changed from 32 scan to 64 scan, D2 of the HUB75 interface is not used, resulting in waste of receiving card resources and halving the number of carrying points. To carry a 256X256 display surface and maintain a high refresh rate, only a 'signal patch panel' is added in the middle, and a doubled number of signal lines are required, as shown in the controller connection diagram of fig. 4.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a change into 64 LED modules and display screens of scanning based on 32 scans for compatible original control card's standard interface need not additionally to insert ' signal keysets ', has also reduced the connection of signal line.

According to a first aspect of the present invention, there is provided an LED module based on a 32 scan to 64 scan conversion, comprising an LED matrix, a column driver module and a column driver interface;

the control end of the column driving module is connected with the LED matrix, and the column driving module is used for driving the LED matrix;

the row driving interface comprises a first input end interface, a first output end interface, a second input end interface and a second output end interface, the first input end interface is connected with the input end of the row driving module, the first output end interface is connected with the output end of the row driving module, and the second input end interface is connected with the second output end interface.

The LED module based on the change of 32 scanning into 64 scanning of the utility model is reformed on the original 32 scanning P3-LED module, and the second input end interface of the driving interface are not used after the reforming, meanwhile, in order to keep a high refresh rate, a signal adapter plate' needs to be additionally connected, the LED module of the utility model connects the original second input end interface with the second output end interface, meanwhile, in the subsequent process of assembling the display screen by using the LED modules, the second output end interface of one LED module is connected with the first input end interface of the other LED module, the first output end interface of one LED module is connected with the second input end interface of the other LED module, the standard interface of an original control card is compatible, and meanwhile, the signal adapter plate is not required to be additionally connected, and the connection of signal wires is also reduced.

In some embodiments, the first input interface and the second input interface are located on one side of the LED matrix and the first output interface and the second output interface are located on the other side of the LED matrix. Therefore, the input end can be conveniently connected with the controller, and the output end is connected with the input end of another LED module.

In some embodiments, the spacing between the first input interface and the second input interface is the same as the spacing between the first output interface and the second output interface. Therefore, when the two LED modules are connected, the output end of one LED module can be aligned with the input end of the other LED module.

In some embodiments, the first input interface and the second input interface are in a position opposite to the position of the first output interface and the second output interface. Therefore, when the two LED modules are connected, the second output end interface of one LED module is directly aligned and connected with the first input end interface of the other LED module, and the first output end interface of one LED module is directly aligned and connected with the second input end interface of the other LED module.

In some embodiments, the LED array further comprises a row driving module, and the control end of the row driving module is connected with the LED matrix. Thus, the row driving module cooperates with the column driving module to form a complete LED matrix control.

In some embodiments, the mobile terminal further comprises a row decoding module, and the control end of the row decoding module is connected with the input end of the row driving module. Therefore, the row decoding module can drive the row driving module to complete the row power output of the LED matrix.

According to the utility model discloses a second aspect provides a display screen, and this display screen includes foretell LED module.

In some embodiments, the LED module includes a plurality of LED modules, each two LED modules form a group, the second output port of one of the LED modules in each group is connected to the first input port of another LED module, and the first output port of one LED module is connected to the second input port of another LED module. Therefore, the standard interface of the original control card can be compatible, and meanwhile, the signal adapter plate is not required to be additionally accessed, and the connection of signal wires is reduced.

Compared with the prior art, the utility model discloses a based on 32 scans the LED module and the display screen that change into 64 scans, the standard interface of compatible original control card need not additionally to insert 'signal keysets', has also reduced the connection of signal line, has still guaranteed the high refresh rate simultaneously.

Drawings

FIG. 1 is a diagram of a single conventional indoor 32 scan P3-LED module of the background art;

FIG. 2 is a connection diagram of a plurality of conventional indoor 32 scanning P3-LED modules in the prior art;

FIG. 3 is a diagram of a single conventional indoor 64 scan P3-LED module of the background art;

FIG. 4 is a connection diagram of a plurality of conventional indoor 64 scan P3-LED modules in the prior art;

fig. 5 is a diagram of a single LED module based on a 32 scan instead of a 64 scan according to an embodiment of the present invention;

fig. 6 is a connection diagram of a plurality of LED modules according to an embodiment of the present invention, which is based on a change from 32 scanning to 64 scanning;

fig. 7 is a circuit diagram of the LED module of fig. 5.

The reference numbers illustrate: the LED array comprises an LED matrix 1, a column driving module 2, a column driving interface 3, a first input end interface 3-1, a first output end interface 3-2, a second input end interface 3-3, a second output end interface 3-4, a row driving module 4 and a row decoding module 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 5-7 schematically illustrate an LED module based on a 32 scan to 64 scan according to an embodiment of the present invention. As shown in fig. 5-7, the LED module based on the change from 32 scanning to 64 scanning includes an LED matrix 1, a column driving module 2, a column driving interface 3, a row driving module 4, and a row decoding module 5;

the control end of the column driving module 2 is connected with the LED matrix 1, and the column driving module 2 is used for driving the LED matrix 1, namely, completing the column power output of the LED matrix 1;

the column driving interface 3 comprises a first input end interface 3-1 (namely D1 of an input end), a first output end interface 3-2 (namely D1 of an output end), a second input end interface 3-3 (namely D2 of an input end) and a second output end interface 3-4 (namely D2 of an output end), wherein the first input end interface 3-1 is connected with the input end of the column driving module 2, the first output end interface 3-2 is connected with the output end of the column driving module 2, and the second input end interface 3-3 is connected with the second output end interface 3-4;

the control end of the row driving module 4 is connected with the LED matrix 1 to complete row power output of the LED matrix 1, and the row driving module is used for cooperating with the column driving module 2 to form complete control of the LED matrix 1;

the control end of the row decoding module 5 is connected with the input end of the row driving module 4, and the row decoding module 5 drives the row driving module 4 to complete the row power output of the LED matrix 1.

The utility model discloses a based on the LED module of 32 scanning change 64 scanning, because be on original 32 scanning P3-LED module to reform system, second input end interface 3-3 and second input end interface 3-4 that will be listed as drive interface 3 after reforming system are not used, simultaneously in order to keep high refresh rate, need additionally insert 'signal keysets', the utility model discloses an LED module is through connecting original second input end interface 3-3 and second output end interface 3-4, simultaneously in the course of in succession using LED module to assemble the display screen, with the second output end interface 3-4 of one of them LED module be connected with the first input end interface 3-1 of another LED module, the first output end interface 3-2 of one of them LED module is connected with the second input end interface 3-3 of another LED module, the standard interface of the original control card is compatible, and meanwhile, the signal adapter plate is not required to be additionally accessed, and the connection of signal wires is reduced.

The LED matrix 1 is a 64X64 matrix, and is used as a display component of a display screen, and the column driving interface is HUB 75.

The first input port interface 3-1 and the second input port interface 3-3 are located at one side of the LED matrix 1, and the first output port interface 3-2 and the second output port interface 3-4 are located at the other side of the LED matrix 1. Therefore, the input end can be conveniently connected with the controller, and the output end is connected with the input end of another LED module.

The distance between the first input port interface 3-1 and the second input port interface 3-3 is the same as the distance between the first output port interface 3-2 and the second output port interface 3-4. Therefore, when the two LED modules are connected, the output end of one LED module can be aligned with the input end of the other LED module.

The up-down positional relationship of the first input end interface 3-1 and the second input end interface 3-3 is opposite to the up-down positional relationship of the first output end interface 3-2 and the second output end interface 3-4. Therefore, when two LED modules are connected, the second output end interface 3-4 of one LED module is directly connected with the first input end interface 3-1 of the other LED module in an aligned mode, and the first output end interface 3-2 of one LED module is directly connected with the second input end interface 3-3 of the other LED module in an aligned mode.

An embodiment of the utility model also provides a display screen, and this display screen includes foretell LED module.

The LED module comprises a plurality of LED modules, every two LED modules form a group, the second output end interface 3-4 of one LED module in each group is connected with the first input end interface 3-1 of the other LED module, and the first output end interface 3-2 of one LED module is connected with the second input end interface 3-3 of the other LED module. Therefore, the standard interface of the original control card can be compatible, and meanwhile, the signal adapter plate is not required to be additionally accessed, and the connection of signal wires is reduced.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. An LED module based on 32 scanning change to 64 scanning, comprising:

an LED matrix;

the column driving interface comprises a first input end interface, a first output end interface, a second input end interface and a second output end interface, the first input end interface is connected with the input end of the column driving module, the first output end interface is connected with the output end of the column driving module, and the second input end interface is connected with the second output end interface.

2. The LED module of claim 1, wherein the first and second input interfaces are located on one side of the LED matrix, and the first and second output interfaces are located on the other side of the LED matrix.

3. The LED module of claim 2, wherein the distance between the first input interface and the second input interface is the same as the distance between the first output interface and the second output interface.

4. The LED module according to claim 3, wherein the first input port and the second input port have a vertical position relationship opposite to that of the first output port and the second output port.

5. The LED module based on the 32-scan to 64-scan change according to any one of claims 1 to 4, further comprising a row driving module, wherein a control terminal of the row driving module is connected to the LED matrix, and the row driving module is configured to drive the LED matrix.

6. The LED module according to claim 5, further comprising a row decoding module, wherein a control terminal of the row decoding module is connected to an input terminal of the row driving module, and the row decoding module is configured to drive the row driving module.

7. A display screen, characterized by comprising the LED module based on the 32-scan-to-64-scan according to any one of claims 1 to 6.

8. The display screen of claim 7, wherein the LED modules comprise a plurality of LED modules, each two of the LED modules form a group, the second output port of one of the LED modules in each group is connected with the first input port of another of the LED modules, and the first output port of the one of the LED modules is connected with the second input port of the another of the LED modules.