TWI811942B - Splicing display device and method for driving - Google Patents

Abstract

A splicing display device includes a first a first display screen and a second display screen. Each of the first display screen and the second display screen includes a display area and a peripheral area. The peripheral area is around the display area. The first display screen includes a plurality of first electrodes. The second display screen includes a plurality of second electrodes. Each of the first electrodes and the second electrodes is disposed in the peripheral area. In a first stage, the first electrodes are driven to generate a control signal and the second electrodes are driven to receive a control signal. In a second stage, the second electrodes are driven to generate a control signal and the first electrodes are driven to receive a control signal. The first display screen and the second display screen are partially spliced to form a spliced area. The first display screen and the second display screen are configured to generate a piece of location data corresponding to the spliced area so as to display a picture together.

Description

Splicing display device and driving method

This case involves an electronic device and a driving method. Specifically, this case relates to a spliced display device and a driving method suitable for the spliced display device.

Existing splicing screens mainly include two types of splicing screens. The first type of splicing screen is a fixed splicing screen. Fixed splicing screens are usually composed of multiple split screens. A complete and large-sized screen is displayed through the split screens, but the position of the split screens is usually fixed.

The second type of splicing screen is an arbitrary splicing screen. The edges of any spliced screen usually require connectors or interfaces. After the edges of different screens are spliced together, users need to connect and touch each screen to facilitate device positioning.

Therefore, the above-mentioned technology still has many shortcomings, and practitioners in the field need to develop other suitable designs for splicing display devices.

One aspect of this case involves a spliced display device. The spliced display device includes a first display screen and a second display screen. The first display screen contains a first display area, a first peripheral area and a plurality of first electrodes. The first peripheral area surrounds the first display area. A plurality of first electrodes are disposed in the first peripheral area. The second display screen includes a second display area, a second peripheral area and a plurality of second electrodes. The second peripheral area surrounds the second display area. A plurality of second electrodes are disposed in the second peripheral area. In the first stage, the first display screen drives a plurality of first electrodes to generate a first control signal, and the second display screen drives a plurality of second electrodes to receive the first control signal. In the second stage, the second display screen drives a plurality of second electrodes to generate a second control signal, and the first display screen drives a plurality of first electrodes to receive the second control signal. The first edge of the first peripheral area of the first display screen is spliced with the second edge part of the second peripheral area of the second display screen to form a first splicing area. The first display screen and the second display screen generate first position data corresponding to the first splicing area according to the first control signal and the second control signal. The first display screen and the second display screen jointly display a screen based on the first location data.

Another aspect of this case involves a driving method. The driving method is suitable for spliced display devices. The spliced display device includes a first display screen and a second display screen. The first display screen includes a plurality of first electrodes, and the second display screen includes a plurality of second electrodes. A plurality of first electrodes are disposed in the first peripheral area of the first display screen, and a plurality of second electrodes are disposed in the second peripheral area of the second display screen. The driving method includes the following steps: partially splicing the first edge of the first peripheral area of the first display screen and the second edge of the second peripheral area of the second display screen to form a first splicing area; in the first stage, by A plurality of first electrodes are driven by the first display screen to generate a first a control signal, and driving a plurality of second electrodes through the second display screen to receive the first control signal; in the second stage, driving a plurality of second electrodes through the second display screen to generate the second control signal, and The first display screen drives a plurality of first electrodes to receive the second control signal; the first display screen and the second display screen generate a first position corresponding to the first splicing area according to the first control signal and the second control signal. data; and the first display screen and the second display screen jointly display the image according to the first position data.

10~10B: Splicing display device

100~100B: First display screen

S1: first shell

D1: first display area

P1: First peripheral area

E1~E26: first electrode

200~200A: Second display screen

S2: Second shell

D2: Second display area

P2: Second peripheral area

E27~E52: second electrode

A1: first splicing area

A2: Second splicing area

X:X axis

Y:Y axis

20: Driving method

21~23: Steps

H1: electrode height

L1: electrode width

L2: electrode width

I1: electrode spacing

300A: Third display screen

S3: The third shell

D3: The third display area

P3: The third peripheral area

H2: electrode height

L3: electrode width

L4: electrode width

I2: electrode spacing

AA’: hatch line

BB’: hatch line

The content of this case can be better understood with reference to the implementation modes in the following paragraphs and the following figures: Figure 1 is a schematic structural top view of a splicing display device according to some embodiments of this case; Figure 2 is a schematic structural top view of a splicing display device according to some embodiments of this case; The step flow chart of the driving method is shown in the example; Figure 3 is a schematic cross-sectional view of the structure of the splicing display device according to some embodiments of this case; Figure 4 is the structure of the splicing display device according to some embodiments of this case. A schematic top view; Figure 5 is a schematic top view of the structure of the splicing display device according to some embodiments of the present application; and Figure 6 is a schematic structural cross-sectional view of the splicing display device according to some embodiments of the present application.

The following will clearly illustrate the spirit of this application with drawings and detailed descriptions. Anyone with ordinary knowledge in the technical field, after understanding the embodiments of this application, can make changes and modifications based on the techniques taught in this application without departing from the spirit of this application. Spirit and scope.

The terms used herein are only used to describe specific embodiments and are not intended to be limiting. Singular forms such as "a", "this", "this", "this" and "the", as used herein, also include the plural forms.

The words "includes", "includes", "has", "contains", etc. used in this article are all open terms, which mean including but not limited to. Regarding the terms used in this article, unless otherwise noted, they generally have the ordinary meanings of each term used in this field, the content of this case, and the special content. Certain terms used to describe the present invention are discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance in describing the present invention.

Figure 1 is a schematic structural top view of a spliced display device 10 according to some embodiments of the present invention. In some embodiments, please refer to FIG. 1 , the spliced display device 10 includes a first display screen 100 and a second display screen 200 . The first display screen 100 includes a first display area D1, a first peripheral area P1, and a plurality of first electrodes E1~E26. The first peripheral area P1 surrounds the first display area D1. A plurality of first electrodes E1 to E26 are provided in the first peripheral area P1.

In addition, the second display screen 200 includes a second display area D2, a second Two peripheral areas P2 and a plurality of second electrodes E27~E52. The second peripheral area P2 surrounds the second display area D2. A plurality of second electrodes E27 to E52 are provided in the second peripheral area P2.

Furthermore, in the first stage, the first display screen 100 is used to drive a plurality of first electrodes E1~E26 to generate the first control signal, and the second display screen 200 is used to drive a plurality of second electrodes E27~E52 to receive the first control signal. The first control signal. In the second stage, the second display screen 200 is used to drive a plurality of second electrodes E27~E52 to generate the second control signal, and the first display screen 100 is used to drive a plurality of first electrodes E1~E26 to receive the second control signal. 2. Control signal.

Then, the first edge of the first peripheral area P1 of the first display screen 100 is spliced with the second edge part of the second peripheral area P2 of the second display screen 200 to form the first splicing area A1. The first display screen 100 and the second display screen 200 generate first position data corresponding to the first splicing area A1 according to the first control signal and the second control signal. The first display screen 100 and the second display screen 200 jointly display a screen according to the first location data.

In some embodiments, both the first control signal and the second control signal include signals up to kilohertz (kHz).

In some embodiments, the spliced display device 10 of this application uses a rectangular first display screen 100 and a second display screen 200 for illustration. However. The shapes of the first display screen 100 and the second display screen 200 are not limited to the illustrated embodiment. It should be noted that the outermost edge of the first peripheral area is the first housing S1. The outermost edge of the second peripheral area is the second housing S2. The first housing S1 and the second housing S2 are both made of insulating material. To further explain, the first splicing area A1 refers to the area formed by splicing the first edge of the first housing S1 and the second edge part of the second housing S2. For example, the first splicing area A1 in Figure 1 of this case is an area formed by partially splicing one side of the first display screen 100 (eg, the right side) and one side (eg, the left side) of the second display screen 200 . The first position data of the first splicing area A1 is not limited to the illustrated embodiment.

It should be noted that the number of first electrodes of the first display screen 100 in this case is not limited to the illustrated embodiment. The number of second electrodes on the second display screen 200 in this case is not limited to the illustrated embodiment. The size of the above-mentioned display area and the above-mentioned peripheral area is not limited to the illustrated embodiment.

In some embodiments, both the first display area D1 and the second display area D2 include at least one of a driving integrated circuit, a circuit substrate, and an internal mechanism.

In some embodiments, each of the plurality of first electrodes E1 to E26 is disposed outside the first display area D1. Specifically, please take the top of the display screen 100 in Figure 1 as the first side in the clockwise direction. The first electrodes E1 to E5 are disposed on the first side of the first display area D1. The first electrodes E6 to E13 are disposed on the second side of the first display area D1. The first electrodes E14 to E18 are disposed on the third side of the first display area D1. The first electrodes E19 to E26 are disposed on the fourth side of the first display area D1.

In some embodiments, each plurality of second electrodes E27 to E52 is disposed outside the second display area D2. Specifically, please take the top of the display screen 200 in Figure 1 as the first side in the clockwise direction. second electrode E27~E31 are arranged on the first side of the second display area D2. The second electrodes E32 to E39 are disposed on the second side of the second display area D2. The second electrodes E40 to E44 are disposed on the third side of the second display area D2. The second electrodes E45 to E52 are disposed on the fourth side of the second display area D1.

It should be noted that the difference between the first display screen 100 and the second display screen 200 is that the two electrodes perform different functions (for example, generating control signals or receiving control signals) at the same stage. Both electrodes can be used as electrodes for generating control signals and as electrodes for receiving control signals. The purpose of the dots marked by the electrodes in the figure is to distinguish the two screens that perform different functions at the same stage (for example: generating control signals or receiving control signals). In some embodiments, the plurality of first electrodes E1˜E26 are the same as the plurality of second electrodes E27˜E52.

The first display screen 100 and the second display screen 200 use wireless communication technology to exchange display signals. The signal corresponding screen is displayed. The aforementioned wireless communication technology includes at least one of Wi-Fi and Bluetooth technology.

Figure 2 is a schematic flowchart of the steps of the driving method 20 according to some embodiments of the present invention. In some embodiments, the driving method 20 may be performed by the video wall 10 shown in FIG. 1 . To make the driving method 20 in this case easy to understand, please refer to Figure 1 together.

In step 21, two electrodes of different screens are scanned and used to transmit signals.

In some embodiments, please refer to Figures 1 and 2, the edge of the first display screen 100 and the edge of the second display screen 200 are combined. After that, the splicing display device 10 drives a plurality of first electrodes of the first display screen 100 and a plurality of second electrodes of the second display screen 200 to perform scanning and pairing, thereby generating the first splicing area A1 The first location data. Driving the first display screen 100 and the second display screen 200 respectively will be explained in terms of timing and electrode position.

In some embodiments, the first display screen 100 and the second display screen 200 are driven simultaneously. The driving timing of the first display screen 100 and the second display screen 200 will be listed as follows.

Please refer to Table 1. In terms of timing, in the first phase G1, the plurality of first electrodes E1~E26 of the first display screen 100 are driven to generate the first control signal. Then, in the first phase G1, the first electrodes E1~E26 of the first display screen 100 are driven. A plurality of second electrodes E27~E52 of the second display screen 100 are used to receive the first control signal.

In the second phase G2, the plurality of second electrodes E27~E52 of the second display screen 100 are driven to generate the second control signal. Then, in the second phase G2, the plurality of first electrodes E27~E52 of the first display screen 100 are driven. The electrodes E1~E26 are used to receive the second control signal. The operation of the third stage G3 is the same as the first stage G1. The operation of the fourth stage G4 is the same as the second stage G2.

In terms of electrode positions, please refer to Figures 1 and 2. The first electrode E8 of the first display screen is generally aligned with the second electrode E52 of the second display screen along the horizontal X-axis. However, it should be noted that if the first electrode E8 and the second electrode E52 have Y-axis misalignment in the vertical direction, and the first electrode E8 and the second electrode E52 partially overlap along the X-axis in the horizontal direction, the second electrode E52 can receive When the first control signal is generated by the first electrode E8, it is deemed that the splicing is successful. When the first electrode E8 can receive the second control signal generated by the second electrode E52, it is deemed that the splicing is successful.

For example, the first electrode E8 and the second electrode E52 have one-third displacement along the Y-axis in the vertical direction. Two-thirds of the first electrode E8 and two-thirds of the second electrode E52 partially overlap along the X-axis in the horizontal direction. When the second electrode E52 can receive the first control signal generated by the first electrode E8, and the When one electrode E8 can receive the second control signal generated by the second electrode E52, it is deemed that the splicing is successful.

In some embodiments, if the first electrodes E1 to E26 are unable to receive the second control signals of the second electrodes E27 to E52 in terms of timing and electrodes, it is regarded as a splicing failure. If the above-mentioned second electrodes E27~E52 are unable to receive the signals of the first electrodes E1~E26 in terms of timing and electrodes, The first control signal is regarded as splicing failure.

It should be noted that once the edges of the two display screens are spliced, this project uses the timing and electrode driving of the electrodes in the peripheral area to quickly achieve pairing and identification, so that the two display screens can display coherent images.

In step 22, after different screens are spliced, the position information of the splicing area is obtained.

In some embodiments, please refer to Figures 1 and 2, if at least one of the first electrodes E1~E26 receives a second control signal from at least one of the second electrodes E27~E52, then the first The display screen 100 obtains the first position information of the first splicing area A1 according to the second control signal.

If at least one of the above-mentioned second electrodes E27 to E52 receives the first control signal from the first electrodes E1 to E26, the second display screen 200 obtains the first position information of the first splicing area A1 according to the first control signal. After the first display screen 100 and the second display screen 200 exchange signals through wireless communication technology, the position information of the first splicing area A1 is obtained.

In some embodiments, if the positions between the first display screen 100 and the second display screen 200 have not changed, after the first display screen 100 and the second display screen 200 respectively obtain the position information of the first splicing area A1, the A display screen 100 continuously drives the first electrodes E1 to E26 to detect whether the first splicing area A1 changes. The second display screen 200 continuously drives the second electrodes E27~E52 to generate the second control signal or receive the first control signal. control signal to detect whether the first splicing area A1 changes. It should be noted that when the position of the first splicing area A1 changes or the splicing display device 10 of this case adds a display screen, the first display screen 100 and the second display screen 200 are coupled using wireless communication technology. When the position of the first splicing area A1 does not change, there is no need to use wireless communication technology to couple the first display screen 100 and the second display screen 200 .

In some embodiments, please refer to Table 1 and Figure 1. The first display screen 100 in this case will execute the first phase G1 and the second phase G2 at least once to exchange the first control signal and the second control signal at least once. signal. The second display screen 200 in this case will execute the first phase G1 and the second phase G2 at least once to exchange the first control signal and the second control signal at least once.

In step 23, multiple screens jointly display images based on the position data and control signals of the splicing area.

In some embodiments, please refer to Figures 1 and 2, the first display screen 100 and the second display screen 200 jointly display continuous images according to the first position data and the control signal of the first splicing area A1.

In some embodiments, if the positions between the first display screen 100 and the second display screen 200 do not change, the first display screen 100 and the second display screen 200 are spliced through the first position of the first splicing area A1 The data and control signal display screen does not require the use of wireless communication technology for coupling.

Figure 3 is a schematic cross-sectional view of the structure of the splicing display device 10 according to some embodiments of the present invention. In some embodiments, see Section 1 Figure 3 is a cross-sectional view of the first display screen 100 along the section line AA' in Figure 1. L1 is the electrode width of the first electrode E1. L2 is the electrode width of the first electrode E2. I1 is the electrode spacing between the first electrode E1 and the first electrode E2. H1 is the electrode height of the first electrode E2, and H1 is also the electrode height of the first electrode E1. In some embodiments, the electrode height and electrode width of each first electrode E1 to E26 are the same. The electrode spacing between each first electrode E1~E26 is the same.

In some embodiments, electrode width L1 is the same as electrode width L2. The electrode width L1 and the electrode width L2 are both greater than or equal to 4 millimeters (mm). The electrode height H1 is greater than or equal to 2 millimeters (mm). The electrode distance I1 is less than or equal to 2 millimeters (mm).

In some embodiments, please refer to FIGS. 1 and 3 , the second display screen 200 is the same as the first display screen 100 . The electrode heights and electrode widths of the second electrodes E27 to E52 of the second display screen 200 and the first electrodes E1 to E26 of the first display screen 100 are the same. The electrode spacing between each second electrode E27~E52 is the same.

Figure 4 is a schematic structural top view of the spliced display device 10A according to some embodiments of the present invention. In some embodiments, compared to FIG. 1 , the difference between the embodiment of FIG. 4 and the embodiment of FIG. 1 is that the spliced display device 10A has more spliced third display screens 300A than the spliced display device 10 . In some embodiments, the first display screen 100A is the same as the first display screen 100 shown in FIG. 1 . The second display screen 200A is the same as the second display screen 200 shown in FIG. 1 . The third display screen 300A is the same as the first display screen 100A.

In some embodiments, the third display screen 300A includes a third display area D3, a third peripheral area P3, and a plurality of third electrodes (the electrodes shown as blank in the figure). The third peripheral area P3 surrounds the third display area D3. A plurality of third electrodes are arranged in the third peripheral area P3. In some embodiments, the plurality of third electrodes are shown as blank electrodes, which means that they are driven at the same stage as the plurality of first electrodes of the first display screen 100A. In some embodiments, if the third display screen 300A is spliced together with the first display screen 100A and the second display screen 200A at the same time, the driving method of the plurality of third electrodes of the third display screen 300A is not limited to the illustrated embodiment. .

In the first stage, the third display screen 300A drives a plurality of third electrodes (the blank electrodes are shown in the figure) to generate a third control signal, and the second display screen 200A drives a plurality of second electrodes (the blank electrodes are shown in the figure). The electrodes with dots are shown) to receive the third control signal.

In the second stage, the second display screen 200A drives the second electrode (the electrode with dots is shown in the figure) to generate the second control signal, and the third display screen drives a plurality of third electrodes (shown in the figure) blank electrode) to receive the second control signal.

The third edge of the third peripheral area P3 of the third display screen 300A is spliced with the second edge part of the second peripheral area P2 of the second display screen 200A to form a second splicing area A2. The second display screen 200A and the third display screen 300A generate second position data corresponding to the second splicing area A2 according to the second control signal and the third control signal. The first display screen 100A, the second display screen 200A and the third display screen 300A jointly display images according to the first location data and the second location data.

In some embodiments, the third housing S3 is made of insulating material. The third display area D3 includes at least one of a driving integrated circuit, a circuit substrate, and an internal mechanism.

In some embodiments, the driving integrated circuit of the first display screen 100A is used to control the first display screen 100A and the second splicing area A2 according to the first position data of the first splicing area A1 and the second position data of the second splicing area A2. The second display screen 200A and the third display screen 300A display screens together.

In some embodiments, the driving integrated circuit of the second display screen 200A is used to control the first display screen 100A and the second splicing area A2 according to the first position data of the first splicing area A1 and the second position data of the second splicing area A2. The second display screen 200A and the third display screen 300A display screens together.

In some embodiments, the first display screen 100A, the second display screen 200A, and the third display screen 300A are driven simultaneously. The driving timing of the first display screen 100A, the second display screen 200A and the third display screen 300A will be listed as follows.

Please refer to Table 2. In terms of timing, in the first phase G1, a plurality of first electrodes of the first display screen 100A are driven to generate the first control signal. Then, in the first phase G1, the third display screen is driven. A plurality of third electrodes of 300A are used to generate a third control signal. Furthermore, in the first phase G1, a plurality of second electrodes of the second display screen 200A are driven to receive the first control signal and the third control signal.

In the second phase G2, a plurality of second electrodes of the second display screen 200A are driven to generate a second control signal. Then, in the second phase G2, a plurality of first electrodes of the first display screen 100A are driven to generate a second control signal. Receive the second control signal and drive a plurality of third electrodes of the third display screen 100A to receive the second control signal. The operation of the third stage G3 is the same as the first stage G1. The operation of the fourth stage G4 is the same as the second stage G2.

In some embodiments, the first control signal, the second control signal and the third control signal may be the same signal or different signals.

It should be noted that the splicing display device in this case reveals the splicing of three display screens, but the number of display screens, the splicing positions, and the splicing situation in the three-dimensional space are not limited to the embodiment of this case.

In some embodiments, if the positions between the first display screen 100A, the second display screen 200A and the third display screen 300A do not change, the positions between the first display screen 100A, the second display screen 200A and the third display screen 300A The operations between the first display screen 100 and the second display screen 200 are similar to the above-mentioned operations between the first display screen 100 and the second display screen 200 , and will not be described again here.

In some embodiments, please refer to Table 2 and Figure 4. The first display screen 100A of this case will execute the first phase G1 and the second phase G2 at least once to exchange the first control signal and the second control signal at least once. signal. The second display screen 200A in this case will execute the first phase G1 and the second phase G2 at least once to exchange the first control signal, the second control signal and the third control signal at least once. The third display screen 300A in this case will execute the first phase G1 and the second phase G2 at least once to exchange the second control signal and the third control signal at least once.

Figure 5 is a schematic structural top view of the spliced display device 10B according to some embodiments of the present invention. In some embodiments, please refer to Figure 5 of Figure 1. The difference between the first display screen 100B of the spliced display device 10B and the first display screen 100 of the spliced display device 10 of Figure 1 lies in a plurality of first The electrodes E1 to E26 are arranged on the inner surface of the first housing S1.

In some embodiments, a plurality of first electrodes E1 to E26 are attached to the first shell S1 through electrodes. In some embodiments, the plurality of first electrodes E1 to E26 are directly printed on the inner surface of the first housing S1.

In some embodiments, please refer to FIGS. 4 and 5 , a plurality of second electrodes (electrodes with dots are shown in the figures) of the second display screen 200A may also be disposed on the inner surface of the second housing S2. A plurality of third electrodes (the blank electrodes are shown in the figure) of the third display screen 300A can also be disposed on the inner surface of the third housing S3.

Figure 6 is a schematic cross-sectional view of the structure of a spliced display device according to some embodiments of the present invention. In some embodiments, please refer to Figures 5 and 6. Figure 6 is a cross-sectional view along the section line BB' corresponding to the spliced display device 10B in Figure 5. This is a cross-sectional view of the inner surface of the electrode housing.

In some embodiments, L3 is the electrode width of the first electrode E1 disposed on the first housing S1. L4 is the electrode width of the first electrode E2 disposed on the first housing S1. I2 is the electrode spacing between the first electrode E1 and the first electrode E2 provided on the first housing S1. H2 is the electrode height of the first electrode E1 arranged on the first housing S1. At the same time, H2 is also the electrode height of the first electrode E2 arranged on the first housing S1. In some embodiments, the electrode width L3 and the electrode width L4, the electrode spacing I2 and the electrode height H2 can be designed according to actual needs, and are not limited to the embodiment of this case. B1 is a spacing structure between the first electrode E1 and the first electrode E2 arranged on the first housing S1.

In some embodiments, please refer to FIG. 6 , the spacing structure B1 includes a magnetic fixed structure or a fixed structure. Magnetic fixed structure system setting on the inner surface of the first housing S1. The fixed structure refers to the structure of the outer surface of the first housing S1.

In some embodiments, please refer to Figures 4 and 6. The second display screen 200A in Figure 4 can have a second electrode (an electrode with dots shown in the figure) on the inner surface of the second housing S2. The third display screen 300A can dispose the third electrode (the electrode shown as blank in the figure) on the inner surface of the third housing S3.

In some embodiments, the electrode structures of the first display screen 100A, the second display screen 200A, and the third display screen 300A are the same.

According to the foregoing embodiments, this project provides a splicing display device and a driving method, which can quickly achieve pairing and identification through driving the electrodes in the peripheral area in terms of timing and electrodes, so that the two display screens can display coherent images.

For those skilled in the art, various modifications and modifications can be made to the present application without departing from the spirit and scope of the present application. Based on the foregoing embodiments, all changes and modifications made to this case are also covered by the protection scope of this case.

10: Splicing display device 100: First display screen S1: first shell D1: first display area P1: First peripheral area E1~E26: first electrode 200: Second display screen S2: Second shell D2: Second display area P2: Second peripheral area E27~E52: second electrode A1: Splicing area X: X axis Y: Y axis AA’: hatch line

Claims (10)

A splicing display device includes: a first display screen including: a first display area; a first peripheral area surrounding the first display area; and a plurality of first electrodes disposed in the first peripheral area; and A second display screen, including: a second display area; a second peripheral area surrounding the second display area; and a plurality of second electrodes disposed in the second peripheral area; wherein in a first stage, The first display screen drives the first electrodes to generate a first control signal, and the second display screen drives the second electrodes to receive the first control signal, wherein in a second phase, the The second display screen drives the second electrodes to generate a second control signal, and the first display screen drives the first electrodes to receive the second control signal, wherein the first peripheral area of the first display screen A first edge is spliced with a second edge portion of the second peripheral area of the second display screen to form a first splicing area, wherein the first display screen and the second display screen are spliced according to the first control The signal and the second control signal generate first position data corresponding to the first splicing area, wherein the first display screen and the second display screen jointly display a picture based on the first position data. The splicing display device as described in claim 1, wherein the first A display screen and the second display screen use a wireless communication technology to exchange a display signal, where the display signal corresponds to the screen. The splicing display device of claim 1 further includes: a third display screen including: a third display area; a third peripheral area surrounding the third display area; and a plurality of third electrodes disposed on The third peripheral area; wherein in the first stage, the third display screen drives the third electrodes to generate a third control signal, and the second display screen drives the second electrodes to receive the third Three control signals, wherein in the second phase, the second display screen drives the second electrode to generate the second control signal, and the third display screen drives the third electrodes to receive the second control signal , wherein a third edge of the third peripheral area of the third display screen is spliced with the second edge portion of the second peripheral area of the second display screen to form a second splicing area, wherein the second The display screen and the third display screen generate second position data corresponding to the second splicing area according to the second control signal and the third control signal, wherein the first display screen, the second display screen and the third The display screen jointly displays the screen based on the first location data and the second location data. The spliced display device according to claim 3, wherein each of the first electrodes is disposed on an outside of the first display area, and each of the second electrodes is disposed on an outside of the second display area, wherein Every one deserves it The third electrode is disposed on an outside of the third display area. The spliced display device of claim 3, wherein each of the first electrodes is disposed on an inner surface of a first housing of the first display screen, and wherein each of the second electrodes is disposed on the second display An inner surface of a second housing of the screen, wherein each of the third electrodes is disposed on an inner surface of a third housing of the third display screen. The spliced display device according to claim 5, wherein the first housing, the second housing and the third housing all include an insulating material. A driving method suitable for a spliced display device, wherein the spliced display device includes a first display screen and a second display screen, wherein the first display screen includes a plurality of first electrodes, and the second display screen includes a plurality of first electrodes. a second electrode, wherein the first electrodes are disposed in a first peripheral area of the first display screen, and the second electrodes are disposed in a second peripheral area of the second display screen, wherein the driving method includes : Partially splicing a first edge of the first peripheral area of the first display screen and a second edge of the second peripheral area of the second display screen to form a first splicing area; in a first stage In a second stage, the first electrodes are driven by the first display screen to generate a first control signal, and the second electrodes are driven by the second display screen to receive the first control signal; , the second display screen drives the second electrodes to generate a second control signal, and drive the first electrodes to receive the second control signal through the first display screen; through the first display screen and the second display screen according to the first control signal And the second control signal generates first position data corresponding to the first splicing area; and the first display screen and the second display screen jointly display a picture according to the first position data. The driving method of claim 7, wherein the spliced display device further includes a third display screen, wherein the third display screen includes a plurality of third electrodes, wherein the third electrodes are disposed on the third display screen A third peripheral area in which the first edge of the first peripheral area of the first display screen and the second edge of the second peripheral area of the second display screen are partially spliced to form the first splicing area The step includes: partially splicing a third edge of the third peripheral area of the third display screen to the second edge of the second peripheral area of the second display screen to form a second splicing area. The driving method of claim 8, wherein in the first stage, the steps of driving the first electrodes to generate the first control signal, and driving the second electrodes to receive the first control signal include: In the first stage, the third electrodes are driven to generate a third control signal, and the second electrodes are driven to receive the third control signal; in the second stage, the second electrodes are driven to generate the second control The steps of controlling the signal and driving the first electrodes to receive the second control signal include: in the second stage, driving the second electrodes to generate the second control signal, and driving the third electrodes to Receive the second control signal. The driving method as described in claim 9, wherein the first display screen and the second display screen generate the first position data corresponding to the first splicing area according to the first control signal and the second control signal. The steps include: wherein the second display screen and the third display screen generate second position data corresponding to the second splicing area according to the second control signal and the third control signal; wherein the first display screen and The step of the second display screen jointly displaying the screen based on the first location data includes: using the first display screen, the second display screen and the third screen to jointly display the screen based on the first location data and the second location data. This screen is displayed.

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