TWI647692B - Screen stitching method and screen system - Google Patents

Abstract

A screen splicing method includes: setting a first wireless transceiver on a first vertical side of a main screen; and setting at least one second wireless transceiver on a second vertical side of the at least one screen; the main screen Side by side with the at least one screen and facing the display screen in the same direction; the first wireless transceiver transmits signals at the same power as the at least one second wireless transceiver; obtaining the first wireless transceiver and the at least one second a signal strength of the wireless transceiver and estimating a distance between the first wireless transceiver and the at least one second wireless transceiver; determining an arrangement relationship between the main screen and the at least one screen according to the distance; and according to the arrangement relationship An image signal is displayed.

Description

Screen splicing method and screen system

The case relates to an electronic system and a method. Specifically, the present invention relates to a screen system and a screen splicing method.

With the development of electronic technology, the screen has been widely used in people's lives.

In some applications (such as video wall), multiple screens must be manually arranged in a preset order, or the relative positions of the screens must be set in order for these screens to display correctly. However, such an approach is time consuming and labor intensive and causes inconvenience to the user. Therefore, a solution is proposed.

An embodiment of the present invention relates to a screen splicing method. According to an embodiment of the present invention, the screen splicing method is applicable to a main screen and at least one screen, and the main screen and the at least one screen each have a first vertical side and a second vertical side of different sides. The screen splicing method includes: setting a first a wireless transceiver on the first vertical side of the main screen; at least one second wireless transceiver disposed on the second vertical side of the at least one screen; the main screen being side by side with the at least one screen and displaying The screen is oriented in the same direction, wherein a direction from the center of the main screen to the first vertical side of the main screen is the same as a direction from the center of the at least one screen to the first vertical side of the screen; The first wireless transceiver transmits the signal with the same power as the at least one second wireless transceiver; obtains the signal strength of the first wireless transceiver and the at least one second wireless transceiver, and estimates the first wireless transceiver and the a distance between the at least one second wireless transceiver; determining an arrangement relationship between the main screen and the at least one screen according to the distance; and displaying an image signal according to the arrangement relationship.

Another embodiment of the present invention relates to an electronic device. According to an embodiment of the present disclosure, Another embodiment of the present invention relates to a screen system. According to an embodiment of the present invention, the screen system includes a main screen, at least one screen, and a controller. The main screen has a first vertical side and a second vertical side on different sides, wherein a first wireless transceiver is disposed on the first vertical side of the main screen. The at least one screen has a first vertical side and a second vertical side of different sides, wherein at least one second wireless transceiver is disposed on the second vertical side of the at least one screen, wherein the main screen and the At least once screens are side by side and the display screen is oriented in the same direction, and the direction of the first vertical side of the main screen from the center of the main screen is the same as the first vertical side of the screen by the center of the at least one screen In the direction of the edge, the first wireless transceiver transmits with the same power as the at least one second wireless transceiver Signal. The controller is configured to obtain a signal strength of the first wireless transceiver and the at least one second wireless transceiver, and estimate a distance between the first wireless transceiver and the at least one second wireless transceiver, and determine the primary according to the distance An arrangement relationship between the screen and the at least one screen, and controlling the main screen and the at least one screen to display an image signal according to the arrangement relationship.

By applying the above embodiment, the main screen and the secondary screen can be displayed correspondingly according to the arrangement relationship. In this way, the inconvenience of the user can be reduced.

10‧‧‧Screen system

20‧‧‧ main screen

22, 32, 32a, 32b, 32c‧‧‧ wireless transceiver

30, 30a, 30b, 30c‧‧ screens

100‧‧‧ Controller

SD1‧‧‧ first vertical side

SD2‧‧‧ second vertical side

B1-B3‧‧‧ steps

SB1, SB2‧‧‧ arrangement relationship

R1-R7‧‧‧ steps

SR1-SR6‧‧‧ arrangement relationship

G1-G4‧‧‧ steps

SG1, SG2‧‧‧ arrangement relationship

200‧‧‧ method

S1-S7‧‧‧ steps

1 is a schematic diagram of a screen system according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a screen splicing method according to the present invention; FIG. 3 is a schematic diagram of a screen splicing method according to the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a schematic view showing another method of splicing a screen according to the present invention; FIG. 6 is a schematic view showing another method of splicing a screen according to the present invention; and FIG. 7 is a view showing another method of splicing a screen according to the present invention. Figure 8 is a schematic view of another screen splicing method according to the present invention; Figure 9 is a schematic view of another screen splicing method according to the present invention; and Figure 10 is a schematic view of another screen splicing method according to the present invention; A schematic view of another screen splicing method according to the present invention; FIG. 12 is a schematic view of another screen splicing method according to the present invention; Figure 13 is a schematic view of another screen splicing method according to the present invention; Figure 14 is a schematic view of another screen splicing method according to the present invention; and Figure 15 is a flow chart of a screen splicing method according to an embodiment of the present invention.

The spirit and scope of the present disclosure will be apparent from the following description of the embodiments of the present disclosure, which may be modified and modified by the teachings of the present disclosure. It does not depart from the spirit and scope of the disclosure.

The term "coupled" as used herein may mean that two or more elements are in direct physical or electrical contact with each other, or indirectly in physical or electrical contact with each other, and "coupled" may also mean two or more. The components operate or act on each other.

The terms "first", "second", etc., as used herein, are not intended to refer to the order or the order, and are not intended to limit the invention, only to distinguish between elements described in the same technical terms or operating.

The terms "including", "including", "having", "containing", etc., as used in this document are all open terms, meaning, but not limited to.

With respect to "and/or" as used herein, it is meant to include any or all combinations of the recited.

The terms used in this document, unless otherwise specified, generally have the usual meaning of each term used in the art, in the context of the disclosure, and in the particular content. Some used to describe the disclosure The words will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in the description of the disclosure.

The term "substantially", "about", and the like, as used herein, is generally used to refer to any value or range that is similar to the stated value or range, which may vary depending upon the skill involved. The scope of the explanation is to be accorded the broadest scope of the invention to the invention. In some embodiments, the slight variation or error of such terms is 20%, in some preferred embodiments 10%, and in some preferred embodiments 5%. In addition, the numerical values described herein mean approximate values, and the meanings of "substantially" and "about" are implicit in the case of no further explanation.

FIG. 1 is a schematic diagram of a screen system 10 according to an embodiment of the present invention. In the present embodiment, the screen system 10 includes a main screen 20, at least one screen 30, and a controller 100.

In this embodiment, both the main screen 20 and the secondary screen 30 have a first vertical side SD1 and a second vertical side SD2 on different sides. Specifically, when the first vertical side SD1 is the left side of the secondary screen 20 and the secondary screen 30, the second vertical side SD2 is the right side of the primary screen 20 and the secondary screen 30. When the first vertical side SD1 is the right side of the primary screen 20 and the secondary screen 30, the second vertical side SD2 is the left side of the secondary screen 20 and the secondary screen 30. In other words, the direction from the center of the main screen 20 to the first vertical side SD1 of the main screen 20 is substantially the same as the direction from the center of the sub-screen 30 to the first vertical side SD1 of the sub-screen 30 (as shown in FIG. 1). , from right to left), and the direction from the center of the main screen 20 to the second vertical side SD2 of the main screen 20 is substantially The direction from the center of the secondary screen 30 to the second vertical side SD2 of the secondary screen 30 (as shown in Fig. 1, from left to right).

In the present embodiment, the main screen 20 and the secondary screen 30 are side by side and their display screens are oriented in substantially the same direction. That is, for the same user, the display screens of the main screen 20 and the secondary screen 30 can be viewed substantially simultaneously.

In the present embodiment, the wireless transceiver 22 is disposed on the first vertical side SD1 of the main screen 20, and the wireless transceiver 32 is disposed on the second vertical side SD2 of each of the secondary screens 30. That is, the wireless transceiver 22 and the wireless transceiver 32 are respectively disposed on different vertical sides SD1 of the main screen 20 and the secondary screen 30. In this embodiment, the wireless transceiver 22 and the wireless transceiver 32 can respectively transmit wireless signals at substantially the same power, but the present invention is not limited thereto.

In the present embodiment, the controller 100 can be disposed on the main screen 20, on the secondary screen 30, or on the main screen 20 and outside the secondary screen 30. In different embodiments, the controller 100 can also be disposed on different devices in a distributed manner. For example, a part of the controller 100 can be disposed on the main screen 20, and another part of the controller 100 can be disposed on the secondary screen 30. The rest can be placed on the center console (not shown). That is, a portion of the controller 100 can be an element having a computing function on the main screen 20 and/or the secondary screen 30. In one embodiment, controller 100 is in wired or wireless communication with main screen 20 and/or secondary screen 30. In an embodiment, the controller 100 can be, for example, one or more central processing units (CPUs), one or more microprocessors, one or more programmable logic devices (PLDs), and/or One or more field-programmable gate array (FPGA) and other operational components Now, but not limited to this.

In this embodiment, the wireless transceiver 22 and the wireless transceiver 32 receive wireless signals from each other, respectively. The controller 100 can obtain the signal strength of the wireless signal received by the wireless transceiver 22 and the wireless transceiver 32, and estimate the distance between the wireless transceiver 22 and the wireless transceiver 32 accordingly. Based on the distance between the wireless transceiver 22 and the wireless transceiver 32, the controller 100 can determine the arrangement relationship between the primary screen 20 and the secondary screen 30. In this way, the controller 100 can control the main screen 20 and the secondary screen 30 to display the image signal according to the arrangement relationship between the main screen 20 and the sub-screen 30.

By setting in this way, it is possible to reduce the inconvenience that the user manually sets the arrangement relationship between the main screen 20 and the sub-screen 30 or manually arranges the positions of the main screen 20 and the sub-screen 30.

Different embodiments will be provided below to specify the details of the case, but the case is not limited thereto.

Refer to Figure 2-4. In the present embodiment, the number of the secondary screens 30 is one. In step B1, the wireless transceiver 22 and the wireless transceiver 32 can be turned on and enabled to transmit wireless signals at substantially the same power. In an embodiment, the wireless transceiver 22 and the wireless transceiver 32 can be turned on according to a user's operation, a user instruction, or an instruction from another device, but not limited thereto.

In step B2, the controller 100 receives the wireless signal from the other of the wireless transceivers 22, 32 through one of the wireless transceivers 22, 32, and obtains the signal strength of the wireless signal. Moreover, the controller 100 estimates the distance between the wireless transceiver 22 and the wireless transceiver 32 based on the strength of the signal.

In step B3, the controller 100 determines whether the distance between the wireless transceiver 22 and the wireless transceiver 32 is less than a preset distance threshold. If so, the controller 100 can determine that the secondary screen 30 is adjacent to the first vertical side SD1 of the main screen 20 (arrangement relationship SB1) (see FIG. 3). If not, the controller 100 can determine that the secondary screen 30 is adjacent to the second vertical side SD2 of the main screen 20 (arrangement relationship SB2) (refer to FIG. 4). In an embodiment, the preset distance threshold can be set according to actual needs. In an embodiment, the preset distance threshold may be set corresponding to the horizontal length of the primary screen 20 and the secondary screen 30.

Thereby, the controller 100 can control the main screen 20 and the secondary screen 30 to display the image signal according to the arrangement relationship between the main screen 20 and the secondary screen 30.

Refer to Figure 5-11. In the present embodiment, the number of secondary screens 30 is two, that is, the aforementioned at least one screen 30 includes a secondary screen 30a (with the wireless transceiver 32a disposed thereon) and a secondary screen 30b (with the wireless transceiver 32b disposed thereon).

In step R1, the wireless transceivers 22, 32a, 32b can be turned on and enabled to transmit wireless signals at substantially the same power. In an embodiment, the wireless transceivers 22, 32a, 32b may be turned on according to user operations, user instructions, or instructions from other devices, but are not limited thereto.

In step R2, the controller 100 receives the wireless signals from the wireless transceivers 32a, 32b through the wireless transceiver 22, and obtains the signal strengths of the wireless signals. In addition, the controller 100 receives the wireless signal from the wireless transceiver 32b through the wireless transceiver 32a, and obtains the signal strength of the wireless signal. The controller 100 estimates the wireless transceiver based on the signal strengths. The distance between the device 22 and the wireless transceivers 32a, 32b. It should be noted that in various embodiments, the controller 100 can estimate the distance between the wireless transceiver 22 and the wireless transceivers 32a, 32b via the signal strengths received by different ones of the wireless transceivers 22, 32a, 32b. This case is not limited to the above embodiments.

In step R3, the controller 100 determines whether the distance (also referred to as the second distance) between the wireless transceiver 22 and the wireless transceiver 32a is less than the first preset distance threshold. If yes, proceed to step R4; if no, proceed to step R5. In an embodiment, the first preset distance threshold may be set according to actual needs. In an embodiment, the first preset distance threshold may be set corresponding to the horizontal length of the main screen 20 and the secondary screen 30; in the same embodiment, the controller 100 may also select between the wireless transceiver 22 and the wireless transceiver 32b. The distance is equal.

In step R4, the controller 100 determines whether the distance (also referred to as the first distance) between the wireless transceiver 32a and the wireless transceiver 32b is greater than the second predetermined distance threshold. If so, the controller 100 can determine that the arrangement relationship from left to right is the secondary screen 30a, the primary screen 20, and the secondary screen 30b (arrangement relationship SR1) (see FIG. 6). If not, the controller 100 can determine that the left-to-right arrangement relationship is sequentially the secondary screen 30b, the secondary screen 30a, and the primary screen 20 (arrangement relationship SR2) (see FIG. 7). In an embodiment, the second preset distance threshold can be set according to actual needs. In an embodiment, the preset distance threshold may be set corresponding to the horizontal length of the primary screen 20 and the secondary screen 30. In an embodiment, the second preset distance threshold is greater than the first preset distance threshold.

In step R5, the controller 100 determines whether the distance between the wireless transceiver 22 and the wireless transceiver 32a (ie, the second distance) is greater than the second preset distance. Leaving the threshold. If yes, proceed to step R6; if no, proceed to step R7.

In step R6, the controller 100 determines whether the distance (also referred to as the third distance) between the wireless transceiver 22 and the wireless transceiver 32b is less than the first preset distance threshold. If so, the controller 100 can determine that the arrangement relationship from left to right is sequentially the secondary screen 30a, the secondary screen 30b, and the primary screen 20 (arrangement relationship SR3) (see FIG. 8). If not, the controller 100 can determine that the left-to-right arrangement relationship is the main screen 20, the secondary screen 30b, and the secondary screen 30a (arrangement relationship SR4) (see FIG. 9).

In step R7, the controller 100 determines whether the distance between the wireless transceiver 22 and the wireless transceiver 32b (ie, the third distance) is greater than a second predetermined distance threshold. If so, the controller 100 can determine that the left-to-right arrangement relationship is the main screen 20, the secondary screen 30a, and the secondary screen 30b (arrangement relationship SR5) (see FIG. 10). If not, the controller 100 can determine that the left-to-right arrangement relationship is sequentially the secondary screen 30b, the primary screen 20, and the secondary screen 30a (arrangement relationship SR6) (see FIG. 11).

Thereby, the controller 100 can control the display of the video signal by the main screen 20 and the sub-screens 30a and 30b according to the arrangement relationship between the main screen 20 and the sub-screens 30a and 30b.

It should be noted that in different embodiments, the manner in which the first, second, and third distances are compared with the first and second preset distance thresholds may be adjusted according to actual needs, and the present invention is not limited to the above operations.

Referring to Figures 12-14, in the present embodiment, the number of secondary screens 30 is three, that is, the aforementioned at least one screen 30 includes a secondary screen 30a (with the wireless transceiver 32a disposed thereon) and a secondary screen 30b (with wireless transceiver 32b Set it up, and the secondary screen 30c (with the wireless transceiver 32c set thereon). It should be noted that although in FIG. 13-14, the arrangement relationship between the main screen 20 and the sub-screens 30a, 30b is described by taking the arrangement relationship SR5 in FIG. 10 as an example, the present invention is not limited thereto.

In this embodiment, the controller 100 can first determine the arrangement relationship between the main screen 20 and the secondary screens 30a, 30b through the method shown in the foregoing embodiment. Then, the controller 100 can determine the relative position between the secondary screen 30c and the primary screen 20 and the secondary screens 30a, 30b through the following steps G1-G4.

In step G1, the controller 100 turns off the wireless transceiver of the screen arranged between the leftmost and rightmost screens according to the arrangement relationship between the main screen 20 and the secondary screens 30a, 30b. For example, in the arrangement relationship SR5, the wireless transceiver 32a of the secondary screen 30a can be turned off; in the arrangement relationship SR1, the wireless transceiver 22 of the primary screen 20 can be turned off.

In step G2, the wireless transceiver 32c can be turned on to transmit wireless signals at substantially the same power as the two wireless transceivers turned on in the wireless transceivers 22, 32a, 32b.

In step G3, the controller 100 receives the wireless signals from the wireless transceiver 32c through the two wireless transceivers that are turned on in the wireless transceivers 22, 32a, and 32b, and respectively obtains two signals corresponding to the wireless signal. strength.

In step G4, the controller 100 compares the two signal strengths. When the signal strength of the wireless signal received by the wireless transceiver on the left screen is greater than the signal strength of the wireless signal received by the wireless transceiver on the right screen, the controller 100 Judging that the secondary screen 30c is located on the main screen 20 and the secondary screen The left side of 30a, 30b (refer to Fig. 13) (arrangement relationship SG1). When the signal strength of the wireless signal received by the wireless transceiver on the left screen is less than the signal strength of the wireless signal received by the wireless transceiver on the right screen, the controller 100 determines that the secondary screen 30c is located on the primary screen 20 and the secondary screens 30a, 30b. Right side (refer to Fig. 14) (arrangement relationship SG2).

Thereby, the controller 100 can control the main screen 20 and the secondary screen 30 to display the image signal according to the arrangement relationship between the main screen 20 and the secondary screen 30.

In addition, by a similar method, when more screens are added to the screen system 10, the controller 100 can still determine the arrangement relationship of the screens.

The following will be combined with the screen splicing method in Fig. 15 to provide more specific details of the present case, but the present invention is not limited to the following embodiments.

It should be noted that this screen splicing method can be applied to a screen system that is the same or similar to the structure shown in FIG. In order to simplify the description, the following description will be made on the screen splicing method according to the screen system 10 in FIG. 1 according to an embodiment of the present invention. However, the present invention is not limited to this application.

In addition, it should be understood that the operation of the screen splicing method mentioned in the present embodiment can be adjusted according to actual needs, and can be performed simultaneously or partially simultaneously, unless the sequence is specifically described.

Moreover, such operations may also be adaptively added, replaced, and/or omitted in various embodiments.

Referring to Figures 1 and 15, the screen splicing method 200 includes the following operations.

In step S1, the wireless transceiver 22 is set on the main screen 20 The first vertical side of the SD1.

In step S2, the wireless transceiver 32 is disposed on the second vertical side SD2 of the secondary screen 30.

In step S3, the main screen 20 is placed side by side with the secondary screen and its display screen is oriented in substantially the same direction.

In step S4, the wireless transceivers 22, 32 transmit signals at substantially the same power.

In step S5, the controller 100 obtains the signal strength of the wireless transceiver 22 and the wireless transceiver 32, and estimates the distance between the wireless transceiver 22 and the wireless transceiver 32.

In step S6, the controller 100 determines the arrangement relationship between the main screen 20 and the secondary screen 30 according to the distance between the wireless transceiver 22 and the wireless transceiver 32. In one embodiment, the controller 100 compares the distance between the wireless transceiver 22 and the wireless transceiver 32 with a predetermined distance threshold to determine an arrangement relationship between the primary screen 20 and the secondary screen 30. For details of this operation, reference may be made to the above-mentioned paragraph corresponding to FIG. 2, and details are not described herein.

In another embodiment, the controller 100 compares the distance between the wireless transceiver 22 and the wireless transceiver 32 with the first preset distance threshold and the second preset distance threshold to determine between the primary screen 20 and the secondary screen 30. Arrangement of relationships. In an embodiment, the controller 100 selects one of the secondary screens 30 (such as the aforementioned secondary screen 30a) as the first screen, and selects the other of the secondary screens 30 (such as the aforementioned secondary screen 30b) as the first The second screen is used to determine the first distance, the second distance, and the third distance. For details of this operation, reference may be made to the above-mentioned paragraph corresponding to FIG. 5, and details are not described herein.

In step S7, the controller 100 controls the main screen 20 and the secondary screen 30 to display image signals according to the arrangement relationship between the main screen 20 and the secondary screen 30. In an embodiment, the controller 100 determines image data to be provided to the main screen 20 and the sub-screen 30 according to the arrangement relationship between the main screen 20 and the sub-screen 30, so that the main screen 20 and the sub-screen 30 are in accordance with the above. The arrangement relationship shows the corresponding screen.

It should be noted that the details of the operations in the above methods can be referred to the above paragraphs, and are not described herein.

By the above operation, it is possible to reduce the inconvenience that the user manually sets the arrangement relationship between the main screen 20 and the sub-screen 30 or manually arranges the positions of the main screen 20 and the sub-screen 30.

On the other hand, in some embodiments, after determining the arrangement relationship between the main screen 20 and the secondary screen 30, if the number of the secondary screens 30 is more than two, the screen splicing method 200 may further include the following steps T1-T4 to A new secondary screen is added to the screen system 10.

The following steps are taken in conjunction with Figures 13 and 14 to illustrate steps T1-T4. However, this case is not limited thereto.

In step T1, the secondary screen 30c can be selectively placed on the side of the main screen 20, the secondary screen 30a and the secondary screen 30b, and the display screen of the secondary screen 30c is directed to the display screen of the main screen 20. Roughly in the same direction.

In step T2, the wireless transceiver 32c can be set to the second vertical side SD2 of the secondary screen 30c. For details of this operation, refer to the above paragraphs, and details are not described herein.

In step T3, according to the arrangement relationship between the main screen 20, the secondary screen 30a, and the secondary screen 30b, the leftmost and rightmost screens arranged in the main screen 20, the secondary screen 30a, and the secondary screen 30b may be closed. The wireless transceiver of the screen (in this example, the wireless transceiver 32a of the secondary screen 30a). In an embodiment, the wireless transceiver can be turned off according to a user's operation, a user instruction, or an instruction from another device, but is not limited thereto.

In step T4, the controller 100 obtains the signal strength of the wireless signal of the wireless transceiver 32c of the secondary screen 30c by the wireless transceiver of the screen arranged between the leftmost and rightmost screens, respectively, and the signal strength is stronger. That end is judged as the arrangement position of the secondary screen 30c. For example, referring to FIG. 13, when the wireless signal received by the wireless transceiver 22 of the leftmost screen (main screen 20) has a greater signal strength than the wireless signal received by the wireless transceiver 32b of the rightmost screen (secondary screen 30b), At the time of intensity, the controller 100 determines that the secondary screen 30c is located on the left side of the primary screen 20 and the secondary screens 30a, 30b. Referring to FIG. 14, when the signal strength of the wireless signal received by the wireless transceiver 32b of the rightmost screen (secondary screen 30b) is greater than the signal strength of the wireless signal received by the wireless transceiver 22 of the leftmost screen (main screen 20). The controller 100 determines that the secondary screen 30c is located on the right side of the primary screen 20 and the secondary screens 30a, 30b.

Thereby, when a new secondary screen is added to the screen system 10, the controller 100 can still determine the arrangement position of the new secondary screen.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and retouched without departing from the spirit and scope of the present invention. Fan The scope defined in the patent application scope is subject to the definition of patent application.

Claims (7)

A screen splicing method is applicable to a main screen and at least one screen, the main screen and the at least one screen each have a first vertical side and a second vertical side of different sides, the method comprises: setting a first a wireless transceiver on the first vertical side of the main screen; a second wireless transceiver disposed on the second vertical side of each of the at least one screen; the main screen being side by side with the at least one screen and The display screen faces in the same direction, wherein a direction from the center of the main screen to the first vertical side of the main screen is the same as a direction from the center of the at least one screen to the first vertical side of the screen; The first wireless transceiver transmits signals at the same power as the at least one second wireless transceiver; obtains signal strengths of the first wireless transceiver and the at least one second wireless transceiver, and estimates the first wireless transceiver and a distance between the at least one second wireless transceiver; determining an arrangement relationship between the main screen and the at least one screen according to the distance; and displaying a shadow according to the arrangement relationship The method further includes: comparing the first distance between the first wireless transceiver and the second wireless transceiver with a preset distance threshold when the first one is only one time, when the first When the distance is less than the preset distance threshold, the screen is adjacent to the first vertical side of the main screen, when the distance When the first distance is greater than the preset distance threshold, the secondary screen is adjacent to the second vertical side of the main screen. A screen splicing method is applicable to a main screen and at least one screen, the main screen and the at least one screen each have a first vertical side and a second vertical side of different sides, the method comprises: setting a first a wireless transceiver on the first vertical side of the main screen; a second wireless transceiver disposed on the second vertical side of each of the at least one screen; the main screen being side by side with the at least one screen and The display screen faces in the same direction, wherein a direction from the center of the main screen to the first vertical side of the main screen is the same as a direction from the center of the at least one screen to the first vertical side of the screen; The first wireless transceiver transmits signals at the same power as the at least one second wireless transceiver; obtains signal strengths of the first wireless transceiver and the at least one second wireless transceiver, and estimates the first wireless transceiver and a distance between the at least one second wireless transceiver; determining an arrangement relationship between the main screen and the at least one screen according to the distance; and displaying a shadow according to the arrangement relationship Signal; wherein there are two views of the screen, and the screen are two views at a first screen and a second screen of the case, the method further comprising: Obtaining a first distance between the two second wireless transceivers according to the signal strengths of the two second wireless transceivers; according to the signal strength between the first wireless transceiver and the two second wireless transceivers Obtaining a second distance between the first wireless transceiver and the second wireless transceiver of the first screen and a third of the first wireless transceiver and the second wireless transceiver of the second screen a distance; and determining the arrangement relationship between the main screen and the two secondary screens according to the obtained first distance, the second distance, and the third distance. The method of claim 2, further comprising: selecting the first screen; and comparing the first distance to a second distance threshold if the second distance is less than a first distance threshold, When the first distance is greater than the second distance threshold, determining that the arrangement relationship is the first time screen, the main screen and the second time screen, and when the first distance is smaller than the second distance threshold, determining The arrangement relationship is sequentially the second screen, the first screen and the main screen. The method of claim 2, further comprising: selecting the first screen; and comparing the second distance to the second distance threshold when determining that the second distance is not less than the first distance threshold When the second distance is greater than the second distance threshold, the third distance is compared with the first distance threshold. When the third distance is smaller than the first distance threshold, determining that the arrangement relationship is the first a second screen, the second screen and the main screen, when the third distance is greater than the first distance threshold, determining that the arrangement relationship is the main screen, the second screen and the first screen, when the When the second distance is smaller than the second distance threshold, the third distance is compared with the first distance threshold, and when the third distance is smaller than the first distance threshold, determining that the arrangement relationship is the second screen, The main screen and the first screen, when the third distance is greater than the first distance threshold, determining that the arrangement relationship is the main screen, the first screen and the second screen. The method of claim 2 further includes: providing a third screen selectively placed on the main screen, the side of the first screen and the second screen being randomly arranged, and displaying the screen Orienting in the same direction as the display screen of the main screen; setting the second wireless transceiver on the second vertical side of the third screen; according to the arrangement relationship between the main screen and the two sub-screens, closing the arrangement a wireless transceiver in the middle of the two screens; the wireless transceivers at both ends of the arrangement respectively obtain the signal strength of the second wireless transceiver on the third screen and determine the third end of the signal as the third The position of the secondary screen. A screen system comprising: a main screen having a first vertical side and a second vertical side of different sides, wherein a first wireless transceiver is disposed on the first vertical side of the main screen; at least one screen has a first a second vertical side of the vertical side and the different side, wherein at least one second wireless transceiver is disposed on the second vertical side of the at least one screen, wherein the main screen is adjacent to the at least one screen and the display is oriented In the same direction, and the direction from the center of the main screen to the first vertical side of the main screen is the same as the direction from the center of the at least one screen to the first vertical side of the screen, the first wireless Transmitting the signal with the at least one second wireless transceiver at the same power; and a controller for obtaining the signal strength of the first wireless transceiver and the at least one second wireless transceiver and estimating the first wireless a distance between the transceiver and the at least one second wireless transceiver, determining an arrangement relationship between the main screen and the at least one screen according to the distance, and controlling the main screen and the at least The secondary screen displays an image signal according to the arrangement relationship; wherein, in the case where there are two such screens, and the two screens are respectively a first screen and a second screen, the controller is further used according to the The signal strength of the two second wireless transceivers obtains a first distance between the two second wireless transceivers, according to the signal strength between the first wireless transceiver and the two second wireless transceivers, Obtaining a second distance between the first wireless transceiver and the second wireless transceiver of the first screen and a third distance between the first wireless transceiver and the second wireless transceiver of the second screen And determining, according to the obtained first distance, the second distance, and the third distance, the arrangement relationship between the main screen and the two secondary screens, and the controller is further used Selecting the first screen, and determining that the second distance is less than a first distance threshold, comparing the first distance to a second distance threshold, when the first distance is greater than the second distance threshold Determining that the arrangement relationship is the first screen, the main screen and the second screen. When the first distance is smaller than the second distance threshold, determining that the arrangement relationship is the second screen, The first screen is with the main screen. A screen system includes: a main screen having a first vertical side and a second vertical side of different sides, wherein a first wireless transceiver is disposed on the first vertical side of the main screen; at least once a second vertical side of a first vertical side and a different side, wherein at least one second wireless transceiver is disposed on the second vertical side of the at least one screen, wherein the main screen and the at least one time The screens are side by side and the display screens are oriented in the same direction, and the direction from the center of the main screen to the first vertical side of the main screen is the same as the direction from the center of the at least one screen to the first vertical side of the screen. Direction, the first wireless transceiver transmits the signal with the same power as the at least one second wireless transceiver; and a controller for obtaining the signal strength of the first wireless transceiver and the at least one second wireless transceiver And estimating a distance between the first wireless transceiver and the at least one second wireless transceiver, determining an arrangement relationship between the main screen and the at least one screen according to the distance, and The system of the main screen and at least one screen displaying an image signal according to the arrangement relationship; Where there are two such screens, and the two screens are respectively a first screen and a second screen, the controller is further configured to use the signal strength of the two second wireless transceivers. Obtaining a first distance between the two second wireless transceivers, and acquiring the first wireless transceiver and the first according to a signal strength between the first wireless transceiver and the two second wireless transceivers a second distance of the second wireless transceiver of the secondary screen and a third distance between the first wireless transceiver and the second wireless transceiver of the second screen, and according to the obtained first distance, The second distance and the third distance determine the arrangement relationship between the main screen and the two secondary screens, and the controller is further configured to select the first screen, and determine that the second distance is not less than the Comparing the second distance with the second distance threshold in the case of the first distance threshold, and comparing the third distance to the first distance threshold when the second distance is greater than the second distance threshold, when the third distance The distance is less than the first distance threshold, The arrangement relationship is sequentially the first screen, the second screen and the main screen. When the third distance is greater than the first distance threshold, determining the arrangement relationship is the main screen, the second time. And the first screen, when the second distance is smaller than the second distance threshold, comparing the third distance with the first distance threshold, and determining the arrangement relationship when the third distance is smaller than the first distance threshold In sequence, the second screen, the main screen and the first screen, when the third distance is greater than the first distance threshold, determining that the arrangement relationship is the main screen, the first screen and the first Second screen.