CN113808495B - Display device, display module, and image dividing device - Google Patents

Abstract

The invention provides a display device, a display module and an image segmentation device. The display device comprises a plurality of display modules, an image segmentation device and an image generation circuit. The display modules are used for being spliced with each other and providing a plurality of detection signals. Each of the display modules includes a first substrate, a first connector, and a second connector. The first connector is disposed on one side of the first substrate and coupled to another one of the display modules. And the second connector is arranged on the other side of the first substrate and is used for being coupled with another one of the display modules. The image segmentation device is used for judging the number of the display modules according to the number of the received detection signals. The image generating circuit determines the resolution of the provided image data according to the number of the display modules, and the image dividing device divides the image data into a plurality of display data according to the number of the display modules.

Description

Display device, display module and image segmentation device

technical field

The present disclosure relates to a display device, a display module, and an image segmentation device, and in particular, to a dynamically splicable display device, a display module, and an image segmentation device.

Background technique

In the technology of splicing displays, generally speaking, a backplane module of a corresponding size will be made in advance according to the size of the final splicing display, and multiple small-sized display panels will be spliced and fixed on the backplane module to form a large-size display panel. splicing display.

However, this kind of assembling process is cumbersome and complicated, and it is not easy to replace if the small-sized display panels used for splicing the displays are defective or damaged.

Contents of the invention

The purpose of the present disclosure is to provide a display device, a display module and an image segmentation device to solve at least one of the above problems.

The disclosure provides a display device, which includes a plurality of display modules, an image segmentation device, and an image generating circuit. The display modules are used for splicing each other and providing multiple detection signals. Each of the display modules includes a first substrate, a first connector and a second connector. The first connector is disposed on one side of the first substrate and is used for coupling the other one of the display modules. The second connector is arranged on the other side of the first substrate, and is used for coupling another one of the display modules. The image dividing device is used for judging the quantity of the display modules according to the quantity of the received detection signals. The image generation circuit is used to determine the resolution of the image data provided to the image segmentation device according to the number of display modules, wherein the image segmentation device divides the image data into a plurality of display data according to the number of display modules to provide to the display modules respectively.

The present disclosure provides a display module, which is used for splicing with an image segmentation device to form a spliced display device, and is used for providing a detection signal. The display module includes a first substrate, a first connector, a second connector and detection pins. The first connector is disposed on one side of the first substrate for coupling the image segmentation device. The second connector is disposed on the other side of the first substrate, and is used for coupling the first connector through a plurality of transmission lines. The detection pin is coupled to one of the transmission lines for providing a detection signal. The image segmentation device is used for judging the number of display modules on the spliced display device according to the number of received detection signals.

The present disclosure provides an image segmentation device, which is used for splicing a plurality of display modules and for coupling with an image generating circuit to form a spliced display device. The display modules are used to provide multiple detection signals, and each of the display modules includes a first connector and a second connector. The first connector is disposed on one side of the first substrate and is used for coupling the other one of the display modules. The second connector is disposed on the other side of the first substrate for coupling to another one of the display modules. The image segmentation device is used to perform the following operations: determine the number of display modules according to the number of received detection signals, wherein the image generation circuit is used to determine the resolution of the image data provided to the image segmentation device according to the number of display modules; and according to the display The number of modules divides the image data into a plurality of display data to be provided to the display modules respectively.

One of the advantages of the above display device, display module and image splitting device is that the display panels can be spliced in real time so that the user can freely determine the size of the display.

Description of drawings

FIG. 1 is a simplified functional block diagram of a display device according to some embodiments of the present disclosure.

Fig. 2 is a three-dimensional schematic diagram of a display module according to some embodiments of the present disclosure.

FIG. 3 is a schematic diagram of a display module according to an embodiment of the disclosure.

FIG. 4 is a schematic diagram of a splicing process of a display device according to some embodiments of the present disclosure.

FIG. 5 is a schematic diagram of a spliced display device according to an embodiment of the disclosure.

FIG. 6 is a schematic diagram of a spliced display device according to another embodiment of the disclosure.

The reference numbers are as follows:

100: display device

110: display module

120: Power supply unit

130, 131, 132: Image segmentation device

140: Image generation circuit

10,20: Substrate

110-1～110-4: display module

111: first connector

112: Second connector

211: Main connector

113: display panel

114: drive circuit

VDD: detection signal

VD, VD1, VD2: image data

DATA: display data

DATA1: display data

DATA2: display data

DATA3: display data

DATA4: display data

R[1]～R[n]: transmission line

1101: Detect pin position

500,600: Splicing display device

51: First part of main connector

52:Second part of main connector

Detailed ways

The following examples are described in detail in conjunction with the accompanying drawings, but the described specific embodiments are only used to explain the present invention, and are not used to limit the present invention, and the description of the structure and operation is not used to limit the order of its execution. The recombined structure of components and the devices with equivalent functions are all within the scope of the disclosure of the present invention.

Unless otherwise specified, the terms used throughout the specification and claims generally have the ordinary meaning of each term as used in the art, in this disclosure and in the special context. Certain terms used to describe the present disclosure are discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance in describing the present disclosure.

FIG. 1 is a simplified functional block diagram of a display device 100 according to some embodiments of the present disclosure. As shown in FIG. 1 , the display device 100 includes a plurality of display modules 110 - 1 - 110 - 4 , a power supply device 120 , an image dividing device 130 and an image generating circuit 140 . For convenience of description, the display module 110 will be referred to below as an unspecified one of the display modules 110-1˜110-4. The display modules 110-1 to 110-4 are used for splicing each other. The power supply device 120 and the image segmentation device 130 are disposed on the substrate 10 . The display module 110 can be coupled with the power supply device 120 and the image segmentation device 130 by splicing with the substrate 10 .

In some embodiments, when one or more display modules 110 are spliced with the substrate 10, the power supply device 120 on the substrate 10 will enable the spliced display modules 110, so that the display modules 110 generate one or more corresponding detection signals VDD to the image segmentation device 130. The image dividing device 130 can determine the quantity of the display modules 110 spliced with the substrate 10 according to the quantity of the received detection signal VDD.

For example, when the display module 110-1, the display module 110-2, the display module 110-3, and the display module 110-4 are spliced together and connected to the substrate 10, the display modules 110-1˜110-4 will respectively generate One (that is, four in total) detection signals VDD enables the image dividing device 130 to determine the number of the splicing display modules 110-1˜110-4 according to the above four detection signals VDD.

In some embodiments, the image generation circuit 140 is used to determine the resolution of the image data VD provided to the image segmentation device 130 according to the number of display modules 110, and the image segmentation device 130 divides the above image data VD according to the number of display modules 110. A plurality of display data DATA are respectively provided to the display module 110 .

For example, if the resolution of each display module 110 is 320×240, and the image segmentation device 130 respectively judges that in the first direction (that is, the horizontal X-axis direction) and the second direction (that is, There are two display modules 110 spliced with each other in the longitudinal Y-axis direction), and the image generation circuit 140 generates image data VD with a resolution of 640×480 according to the number of display modules 110 mentioned above (that is, 2×2). The device 130 then divides the image data VD with a resolution of 640×480 into 4 pieces of display data DATA according to the number of display modules 110 (that is, 2×2), and sends them to the above-mentioned 4 display modules 110 respectively.

In some embodiments, the image segmentation device 130 may be implemented by a field programmable gate array (Field Programmable Gate Array, FPGA), and the image generating circuit 140 may be implemented by a scaling controller (Scaler IC). In addition, the number of modules 110 shown in FIG. 1 is only an exemplary embodiment, and is not intended to limit the actual implementation of the present disclosure. In some embodiments, the number of display modules 110 can be adjusted according to actual design requirements.

FIG. 2 is a three-dimensional schematic diagram of the display module 110 according to some embodiments of the present disclosure. As shown in FIG. 2 , the display module 110 includes a substrate 20 , a first connector 111 , a second connector 112 , a display panel 113 and a driving circuit 114 . The first connector 111 is disposed on one side of the substrate 20 for coupling to another display module 110 . The second connector 112 is disposed on the other side of the substrate 20 for coupling yet another display module 110 . The display panel 113 is stacked on the substrate 20 . The driving circuit 114 is used for driving the display panel 113 according to the received display data DATA. In some embodiments, the driving circuit 114 may be implemented by a timing controller (TCON). More detailed operations of the display module 110 will be described in conjunction with FIGS. 3A and 3B described later.

FIG. 3 is a schematic diagram of a display module 110 according to an embodiment of the disclosure. The display module 110 includes a plurality of transmission lines R[ 1 ]˜R[n] and a detection pin 1101 for outputting a detection signal VDD. The transmission lines R[ 1 ]˜R[n] are used to couple the first connector 111 and the second connector 112 . The detection pin 1101 is coupled between one of the transmission lines R[ 1 ]˜R[n] and a voltage generating circuit (not shown) of the display module 110 . The detection pin 1101 is used to receive the detection signal VDD from the voltage generating circuit, and output the detection signal VDD to one of the transmission lines R[1]˜R[n].

In some embodiments, the detection pins 1101 of different display modules 110 are coupled to different transmission lines. For example, the detection pin 1101 of the display module 110-1 is coupled to the transmission line R[1]; the detection pin 1101 of the display module 110-2 is coupled to the transmission line R[2]; the display module 110-3 The detection pin 1101 is coupled to the transmission line R[3], and so on.

FIG. 4 is a schematic diagram of a splicing process according to some embodiments of the present disclosure. As shown in FIG. 4 , the substrate 10 further includes a main connector 211 for coupling the display module 110 , the power device 120 and the image dividing device 130 . When the substrate 10 and the substrate 20 are spliced together, the main connector 211 on the substrate 10 will be coupled with the first connector 111 of the display module 110 . In this way, the power supply device 120 can enable the spliced display module 110, so that the detection pin 1101 receives the detection signal VDD, and the detection signal VDD passes through one of the transmission lines R[1]˜[n] (such as the transmission line R [1]) are sent to the image segmentation device 130. As mentioned above, the detection pins 1101 of different display modules 110 are coupled to different transmission lines, so the image segmentation device 130 is connected to the transmission lines R[1]˜[n respectively through multiple receiving pins on the main connector 211 ] to respectively receive the detection signals VDD of the display modules 110 through the plurality of receiving pins.

In some embodiments, the second connector 112 of the display module 110 can continue to be coupled to another display module 110 . For example, the display module 110-1 of FIG. 1 can be respectively coupled to the substrate 10 and the display module 110-2 by using the first connector 111 and the second connector 112, and the second connector 112 of the second display module 110-2 Other display modules 110 (not shown) can be continuously coupled so that the width of the display device 100 extends to the right in FIG. 1 , and so on.

In some embodiments, during the process of splicing or removing the display module 110, that is to say, when the number of the detection signal VDD received by the image dividing device 130 changes, the image generating circuit 140 will The number of received detection signals VDD regenerates the image data VD with a resolution corresponding to the number of currently spliced display modules 110, and the image segmentation device 130 will send a synchronous signal to all spliced display modules 110, so that all spliced display modules 110 The screen of module 110 is synchronized. Therefore, during the process of splicing or removing the display module 110 , other display modules 110 on the display device 100 will not be affected.

In some embodiments, the aforementioned sync signal may be a vertical sync signal (VSYNC) or a horizontal sync signal (HSYNC).

In some embodiments, the main connector 211 , the first connector 111 and the second connector 112 are magnetic connectors. The substrates 10 and 20 can be printed circuit boards (Printed Circuit Board Assembly, PCBA) or flexible printed circuit boards (Flexible Printed Circuit, FPC).

FIG. 5 is a schematic diagram of a spliced display device 500 according to an embodiment of the disclosure. The spliced display device 500 includes a plurality of display modules 110 - 1 - 110 - 4 , a power supply device 120 (not shown), an image dividing device 130 and an image generating circuit 140 . The image dividing device 130 is coupled to the first part 51 and the second part 52 of the main connector 211 . The first portion 51 and the second portion 52 of the main connector 211 are respectively used for coupling the display modules 110 of different columns. For example, the first portion 51 of the main connector 211 is coupled to the display modules 110-1, 110-2 of the first column, and the second portion 52 is coupled to the display modules 110-3, 110-4 of the second column.

In some embodiments, the image segmentation device 130 can judge the display coupled to the first part 51 and the second part 52 respectively from the quantity of the detection signal VDD received by the first part 51 and the second part 52 of the main connector 211. The number of modules 110.

For example, if the image dividing device 130 receives 2 sets of detection signals VDD from the first part 51 of the main connector 211 , it also receives 2 sets of detection signals VDD from the second part 52 . At this time, the image segmentation device 130 can determine that there are two display modules 110 coupled to the first portion 51 of the main connector 211 , and two display modules 110 are coupled to the second portion 52 of the main connector 211 . That is to say, the number of display modules 110 detected by the image segmentation device 130 in the first direction (that is, the horizontal X-axis direction) is less than or equal to 2, while in the second direction (that is, the vertical Y-axis direction) The number of detected display modules 110 is also less than or equal to two.

In this way, the image generating circuit 140 outputs the image data VD whose resolution is twice the resolution of the display module 110 in the first direction and in the second direction.

Next, the image dividing device 130 divides the above-mentioned image data VD into four display data DATA1, DATA2, DATA3 and DATA4, and transmits the display data DATA1 and DATA2 to the display modules 110-1 and 110-2 in the first column respectively. , and transmit the display data DATA3 and DATA4 to the display modules 110-3 and 110-4 in the second row.

It should be noted that the division of the main connector 211 into the first part 51 and the second part 52 in FIG. 5 is just an example, and is not intended to limit the actual implementation of the present disclosure. In some embodiments, the partial quantity of the main connectors 211 can be adjusted according to actual design requirements.

FIG. 6 is a schematic diagram of a spliced display device 600 according to another embodiment of the disclosure. The difference between the spliced display device 600 and the spliced display device 500 in FIG. 5 is that the spliced display device 600 includes two image segmentation devices 131 and 132 for determining the number of display modules 110 in the first row and the second row respectively.

That is to say, the image dividing device 131 will judge that there are two display modules 110-1 and 110-2 coupled to the first column according to the received two sets of detection signals VDD, and the image dividing device 132 will judge according to the received two sets of detection signals VDD The detection signal VDD determines that there are two display modules 110-3 and 110-4 coupled in the second column.

In some embodiments, the image generation circuit 140 generates a corresponding amount of image data according to the number of image segmentation devices 130 . For example, the image generating circuit 140 respectively generates corresponding image data VD1 and image data VD2 according to the upper half and the lower half of the display screen, and outputs them to the image dividing devices 131 and 132 respectively.

Next, the image dividing device 131 will divide the above-mentioned image data VD1 into two display data DATA1, DATA2, and send them to the display modules 110-1, 110-2; the image dividing device 132 will divide the above-mentioned image data VD2 into two Display data DATA3, DATA4, and sent to the display module 110-3, 110-4.

It should be noted that the number of image segmentation devices in FIG. 6 is just an example, and is not intended to limit the actual implementation of the present disclosure. In some embodiments, the number of image segmentation devices 130 can be adjusted according to actual design requirements.

Although the present disclosure has been disclosed above in terms of implementation, it is not intended to limit the present disclosure. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present disclosure. Therefore, this The scope of protection of the disclosure should be determined by the appended claims.

Claims (9)

1. A display device, comprising: A plurality of display modules are used for splicing each other and providing a plurality of detection signals, wherein each of the plurality of display modules includes: a first substrate; a first connector, disposed on one side of the first substrate, for coupling to another one of the plurality of display modules; and a second connector, disposed on the other side of the first substrate, for coupling another one of the plurality of display modules; An image segmentation device, used to determine the number of the plurality of display modules according to the number of the plurality of received detection signals; and An image generating circuit, used to determine the resolution of an image data provided to the image dividing device according to the number of the plurality of display modules, wherein the image dividing device divides the image data according to the number of the plurality of display modules providing a plurality of display data to the plurality of display modules respectively; Each of a plurality of said display modules further comprising: a detection pin, used to provide one of the plurality of detection signals; and N transmission lines, the N transmission lines are used to couple the first connector and the second connector, wherein the detection pin of a first display module among the plurality of display modules is coupled to the first display module The Nth transmission line of the N transmission lines, and the detection pin of a second display module among the plurality of display modules is coupled to the N transmission line of the second display module that is different from the Nth transmission line . 2. The display device according to claim 1, further comprising a second substrate, wherein the image segmentation device is disposed on the second substrate, and the second substrate comprises a main connector for coupling The first connector is connected with the image segmentation device. 3. The display device as claimed in claim 2, wherein the main connector, the first connector and the second connector are magnetic connectors. 4. The display device according to claim 1, wherein when the number of the detection signals received by the image segmentation device changes, the image segmentation device is further used to transmit a synchronization signal to a plurality of the display modules , so that the pictures of multiple display modules are synchronized. 5. A display module, used for splicing in an image segmentation device to form a spliced display device, and for providing a detection signal, wherein the display module includes: a first substrate; a first connector, disposed on one side of the first substrate, for coupling the image segmentation device; a second connector, disposed on the other side of the first substrate, for coupling the first connector through a plurality of transmission lines; and A detection pin, coupled to one of the plurality of transmission lines to provide the detection signal, wherein the image segmentation device is used to determine the number of the display modules on the splicing display device according to the number of received detection signals . 6. The display module as claimed in claim 5, wherein the display module is used to receive one of a plurality of display data, and an image generating circuit is used to determine the number of the display modules on the spliced display device to provide to the The resolution of an image data of the image dividing device, and the image dividing device divides the image data into a plurality of display data according to the quantity of the display module. 7. An image segmentation device for splicing multiple display modules and coupling an image generating circuit to form a splicing display device, wherein multiple display modules are used to provide multiple detection signals, and multiple of the display modules Each of the display modules includes a first connector and a second connector, wherein the first connector is disposed on one side of a first substrate for coupling to another one of the plurality of display modules, The second connector is disposed on the other side of the first substrate for coupling another one of the plurality of display modules, wherein the image segmentation device is configured to perform the following operations: Judging the number of the plurality of display modules according to the number of the plurality of detection signals received, wherein the image generating circuit is used to determine the number of an image data provided to the image segmentation device according to the number of the plurality of display modules resolution; and The image data is divided into a plurality of display data according to the number of the plurality of display modules, and provided to the plurality of display modules respectively. 8. The image segmentation device as claimed in claim 7, wherein the image segmentation device comprises a main connector, and the main connector comprises a plurality of receiving pins, and a plurality of receiving pins are respectively used to receive a plurality of the heartbeat. 9. The image segmentation device according to claim 7, wherein when the number of the plurality of detection signals received by the image segmentation device changes, the image segmentation device is further used to synchronize the pictures of a plurality of the display modules .

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