CN113450661B - Display screen, spliced display screen and splicing method of spliced display screen - Google Patents
Display screen, spliced display screen and splicing method of spliced display screen Download PDFInfo
- Publication number
- CN113450661B CN113450661B CN202010470841.4A CN202010470841A CN113450661B CN 113450661 B CN113450661 B CN 113450661B CN 202010470841 A CN202010470841 A CN 202010470841A CN 113450661 B CN113450661 B CN 113450661B
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- Prior art keywords
- flexible circuit
- circuit board
- display screen
- substrate
- spliced
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention discloses a display screen, a spliced display screen and a splicing method of the spliced display screen, wherein the display screen comprises a substrate, the display screen comprises a substrate and at least one first flexible circuit board, at least one group of first signal wires are arranged on one side edge of the substrate, the first signal wires are connected with first connecting parts of the first flexible circuit board, and second connecting parts of the first flexible circuit board face to one side of the substrate where the first signal wires are located; according to the display screen, the flexible circuit board is arranged on one side of the substrate, one end of the flexible circuit board is connected with the signal line, and the other end of the flexible circuit board faces to one side of the substrate where the signal line is located, so that when the flexible circuit board is folded towards the back of the substrate, two adjacent flexible circuit boards can be directly connected when the two display screens are spliced, data transmission between the adjacent display screens is realized, wiring is convenient, and a spliced gap of the flexible circuit boards is small after the flexible circuit boards are folded.
Description
Technical Field
The invention relates to the field of display screens, in particular to a display screen, a spliced display screen using the display screen and a splicing method applied to the spliced display screen.
Background
The spliced display screen is suitable for large-size display screens, is widely applied to information display terminals in traffic and transportation industries such as airports, ports, wharfs, subways, highways and the like, is formed by splicing a plurality of display screens according to the name, the display screens are generally connected with a control end through a flexible circuit board, however, the existing display screen is generally provided with a signal line on only one side, the flexible circuit board is arranged on one side of the display screen for splicing, and the display screen is connected with the printed circuit board through the flexible circuit board. The mode can not realize communication between adjacent display screens, is unfavorable for wiring of large-size and oversized spliced display screens, and when the display screens of more than three rows are spliced, a larger gap can appear between the middle display screen and the adjacent display screen, so that the effect of the whole spliced display screen is poor.
Disclosure of Invention
In order to solve the problems that the gap between two adjacent display screens is large and data transmission between the two adjacent display screens cannot be realized when the existing display screens are spliced, the invention provides a display screen which is small in gap and capable of mutually transmitting data between a plurality of display screens when the display screens are spliced, a splicing method of the display screens and the spliced display screen.
In order to achieve the above object, according to an aspect of the present invention, a display screen is provided, the display screen includes a substrate and at least one first flexible circuit board, at least one group of first signal lines are disposed on an edge of one side of the substrate, the first signal lines are connected to a first connection portion of the first flexible circuit board, and a second connection portion of the first flexible circuit board faces to one side of the substrate where the first signal lines are located.
As a preferable technical scheme, the first flexible circuit board is in a U shape.
As another preferable technical scheme, the first flexible circuit board is semi-circular.
As another preferable embodiment, the first flexible circuit board is square.
Further, a second signal wire is arranged on the other side of the substrate, which is opposite to the first signal wire, the second signal wire is connected with a second flexible circuit board, a first connecting part of the second flexible circuit board is connected with the second signal wire, and a second connecting part of the second flexible circuit board faces to one side of the substrate where the second signal wire is located.
In the above technical solution, the shape of the second flexible circuit board is the same as the shape of the first flexible circuit board.
As a preferable technical scheme, the central axis where the outgoing line position of the first signal line is located and the central axis where the outgoing line position of the second signal line is located are parallel to each other.
On the basis of the technical scheme, further, the central axis of the second connecting part of the second flexible circuit board is coincident with the central axis of the second connecting part of one of the two adjacent first flexible circuit boards.
On the other hand, the invention also provides a spliced display screen, which comprises two display screens, wherein the first flexible circuit board in one display screen is connected with the second flexible circuit board in the other display screen.
On the other hand, the invention also provides a splicing method applied to the spliced display screen, which comprises the following steps:
firstly, bending a first flexible circuit board and a second flexible circuit board of two display screens to the back surfaces of the display screens;
then, splicing one side of a first signal line of one display screen with one side of a second signal line of the other display screen;
and finally, electrically connecting the first flexible circuit board of one display screen with the second flexible circuit board of the other display screen through a connecting device.
In the above-mentioned splicing method, the bending angle of the first flexible circuit board and the second flexible circuit board when bending towards the back of the display screen is 180 °.
Compared with the prior art, the invention has the beneficial effects that: according to the display screen, the flexible circuit board is arranged on one side of the substrate, one end of the flexible circuit board is connected with the signal line, and the other end of the flexible circuit board faces one side of the substrate where the signal line is located, so that when the flexible circuit board is folded towards the back of the substrate, two adjacent flexible circuit boards can be directly connected when the two display screens are spliced, data transmission between the adjacent display screens is realized, wiring is convenient, and a spliced gap of the flexible circuit boards is small after the flexible circuit boards are folded; in addition, the splicing method of the display screen not only realizes data transmission between adjacent display screens and facilitates wiring by splicing at least two display screens with the flexible circuit boards arranged on two sides, but also is suitable for large-size and oversized spliced display screens, and the effect of small gaps or no gaps can be achieved by splicing the flexible circuit boards after folding.
Drawings
FIG. 1 is a block diagram of a display screen in an embodiment of the invention;
FIG. 2 is a block diagram of a display screen in another embodiment of the invention;
FIG. 3 is a block diagram of a display screen in another embodiment of the invention;
FIG. 4 is a block diagram of a display screen in another embodiment of the invention;
FIG. 5 is a flow chart of a method of splicing display screens in the present invention;
FIG. 6 is a block diagram of a tiled display screen in accordance with an embodiment of the present invention;
reference numerals illustrate: 10-a substrate; 20. 21-signal lines; 30. 31-flexible circuit board.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As an example, as shown In FIG. 1, a display panel includes a substrate 10, the substrate 10 is made of glass, and a layer of In is vapor-deposited on the surface of the glass 2 O 3 (indium oxide) or SnO 2 The transparent conductive layer (tin oxide) is an ITO (indium tin oxide) film layer, a plurality of groups of signal wires 20 are arranged on one side edge of the substrate 10, the signal wires 20 are uniformly distributed on one side edge of the substrate 10, the signal wires 20 are used for communication of a display screen, each group of signal wires 20 is connected with a flexible printed circuit board 30, and the flexible printed circuit board (Flexible Printed Circuit, FPC) is a flexible printed circuit board which is made of polyimide or polyester film and has high reliability; the flexible circuit board 30 has the characteristics of high wiring density, light weight, thin thickness and good bending property, and by utilizing the characteristics, the first connecting part of the flexible circuit board 30 is connected with the signal wire 20, and the second connecting part faces one side of the substrate 10 where the signal wire 20 is arranged, in the embodiment, as shown in fig. 1, the flexible circuit board 30 is U-shaped, thus the whole U-shaped flexible circuit board is bent from one side close to the outlet end of the signal wire to the back of the display screen, and then one end of the flexible circuit board far away from the signal wire is still faced to one side of the substrate where the signal wire is arranged, and thus when two identical display screens are spliced together, the flexible circuit board between the two display screens can be completedThe back at the display screen is hidden entirely, can furthest reduce the gap between two display screens, accomplish seamless concatenation even, and two flexible circuit boards can also be connected simultaneously, realize the communication.
As another example, as shown In FIG. 2, a display panel includes a substrate 10, the substrate 10 is made of glass, and a layer of In is vapor-deposited on the surface of the glass 2 O 3 (indium oxide) or SnO 2 The transparent conductive layer (tin oxide) is an ITO (indium tin oxide) film layer, a plurality of groups of signal wires 20 are arranged on one side edge of the substrate 10, the signal wires 20 are uniformly distributed on one side edge of the substrate 10, the signal wires 20 are used for communication of a display screen, each group of signal wires 20 is connected with a flexible printed circuit board 30, and the flexible printed circuit board (FPC) is a flexible printed circuit board which is made of polyimide or polyester film and has high reliability; the flexible circuit board 30 is characterized by high wiring density, light weight, thin thickness and good bending property, by utilizing the characteristics, the first connecting part of the flexible circuit board 30 is connected with the signal wire 20, the second connecting part faces one side of the substrate 10 where the signal wire 20 is arranged, in the embodiment, the flexible circuit board 30 is semicircular, and after the whole semicircular flexible circuit board is bent from one side close to the outlet end of the signal wire to the back of the display screen, one end, far away from the signal wire, of the flexible circuit board faces one side of the substrate where the signal wire is arranged, and therefore after two identical display screens are spliced, the flexible circuit board between the two display screens can be completely hidden at the back of the display screens, so that gaps between the two display screens can be reduced to the greatest extent, even seamless splicing can be realized, and meanwhile, the two flexible circuit boards can also be connected, and communication can be realized.
As another example, as shown In FIG. 3, a display panel includes a substrate 10, the substrate 10 is made of glass, and a layer of In is vapor-deposited on the surface of the glass 2 O 3 (indium oxide) or SnO 2 A transparent conductive layer (tin oxide), namely an ITO (indium tin oxide) film layer, wherein a plurality of groups of signal wires 20 are arranged at one side edge of the substrate 10, the signal wires 20 are uniformly distributed at one side edge of the substrate 10, the signal wires 20 are used for the communication of a display screen, each group of signal wires 20 is connected with a flexible circuit board 30, and the flexible circuit board (Flexible Printed Circuit, FPC) is formed by gatheringA flexible printed circuit board having high reliability and excellent properties, which is made of imide or polyester film as a base material; the flexible circuit board 30 has the characteristics of high wiring density, light weight, thin thickness and good bending property, and by utilizing the characteristics, the first connecting part of the flexible circuit board 30 is connected with the signal wire 20, the second connecting part faces one side of the substrate 10 where the signal wire 20 is arranged, in the embodiment, as shown in fig. 1, the flexible circuit board 30 is square, and thus the whole square flexible circuit board is bent from one side close to the outlet end of the signal wire to one side of the substrate where the signal wire is arranged, and then the flexible circuit board is far away from the end of the signal wire, so that after two identical display screens are spliced together, the flexible circuit board between the two display screens can be completely hidden at the back of the display screens, the gap between the two display screens can be reduced to the greatest extent, even seamless splicing is realized, and meanwhile, the two flexible circuit boards can also be connected, and communication is realized.
It should be noted that, although the present application discloses only the three shapes of the flexible circuit board, the protection scope of the present invention is not limited thereto, and other shapes of flexible circuit boards are also within the protection scope of the present invention, such as parabolic shape.
As another embodiment, as shown in fig. 4, the present embodiment is an improvement made on the basis of any one of the above embodiments, and the above embodiment only exemplifies that one side of the display screen is provided with a flexible circuit board, and the present embodiment is provided with flexible circuit boards on both sides, that is, another group of signal wires 21 are provided on opposite sides of the signal wire 20, the same signal wires 21 are uniformly distributed on one side edge of the substrate 10, the signal wires 21 are used for communication of the display screen, each group of signal wires 21 is connected with a flexible circuit board 31, a first connection part of the flexible circuit board 31 is connected with the signal wire 21, a second connection part faces one side of the substrate 10 where the signal wire 21 is located, in order to make connection of the flexible circuit boards convenient when the two display screens are spliced, a central axis where an outgoing line position of the signal wire 20 is located is parallel to a central axis where an outgoing line position of the signal wire 21 is located, the signal wires on two sides are arranged in a staggered manner, and further, the second connecting parts of the flexible circuit boards connected on the two signal wires which are arranged in a staggered manner are right opposite, so that when two display screens are selected for splicing, the position of the signal wires is the same as the position of the A side, the other side is the position of the B side, the A side of the first display screen is spliced with the B side of the other display screen, the flexible circuit boards on the A side and the B side are bent towards the back of the display screen, as the tail end positions of the flexible circuit boards on the A side are right opposite to the tail end positions of the flexible circuit boards on the B side, as shown in figure 6, after the two display screens are spliced together, the flexible circuit boards are only connected together through the FPC connector 40, thus, after the two same display screens are spliced together, the flexible circuit boards between the two display screens can be completely hidden at the back of the display screens, the gap between the two display screens can be reduced to the greatest extent, even seamless splicing is achieved, and meanwhile, the two flexible circuit boards can be connected, so that communication is achieved.
It should be noted that, although the flexible circuit board is exemplified as a U-shaped structure in the present embodiment, other flexible circuit boards are within the scope of the present invention, such as a semicircular shape, a square shape, or a parabolic shape in the above embodiment, and the like.
In addition, although the flexible circuit boards are set up at one side and two sides of the display screen in the present application, the protection scope of the present invention is not limited thereto, and in order to make the display screen communicate with other display screens or control terminals, the flexible circuit boards are set up at three sides or all around of the display screen within the protection scope of the present invention.
As shown in fig. 5, the present invention further provides a display screen splicing method, which includes the following steps:
s100: bending the first flexible circuit boards and the second flexible circuit boards of the two display screens towards the back of the display screens, specifically selecting the two display screens in the embodiment, bending all the flexible circuit boards of the two display screens towards the back of the display screen by 180 degrees, and hiding the whole flexible circuit boards;
s200: splicing one side of the first signal line of one display screen with one side of the second signal line of the other display screen, specifically splicing one side of the signal lines of the two display screens, which are staggered, together; because the flexible circuit board is bent backwards, after the display screens are spliced, the flexible circuit board cannot be seen from the demonstration of the display screens, so that the gap between the two display screens can be reduced to the greatest extent, and even seamless splicing is realized;
s300: the first flexible circuit board of one corresponding display screen is connected with the second flexible circuit board of the other display screen by using a connecting device, namely, the two corresponding flexible circuit boards are connected together by using a flexible circuit board (Flexible Printed Circuit, FPC) connector, so that communication between the two display screens is realized, wiring is convenient, and the length of a circuit when a plurality of display screens are spliced is reduced; the FPC connector is mainly matched with signal transmission components such as FPC or flexible flat cables (Flexible Flat Cable, FFC) and the like for transmitting signals from one end to the other end, so that the purpose of signal transmission is achieved.
The display screen spliced by the method not only realizes data transmission between adjacent display screens and is convenient for wiring, and is suitable for large-size and oversized spliced display screens, but also can achieve the effect of small gaps or no gaps after the flexible circuit board is folded.
Although the present embodiment illustrates the splicing of two display screens, the protection scope of the present invention is not limited thereto, and the splicing of other display screens is also within the protection scope of the present invention.
The invention also provides a spliced display screen, as shown in fig. 6, which is a display screen spliced by the splicing method, and the spliced display screen not only can realize data transmission between adjacent display screens and is convenient for wiring, but also is suitable for large-size and oversized spliced display screens, and the spliced display screen can achieve the effect of small gap or no gap after being folded, in addition, as the flexible circuit boards on the two display screens are the same, the lengths of data lines between each display screen and the other display screen are consistent after the two flexible circuit boards are overlapped, so that the wiring is greatly facilitated.
The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. The display screen is characterized by comprising a substrate and at least one first flexible circuit board, wherein one side edge of the substrate is provided with at least one group of first signal wires, the other side edge of the substrate, which is opposite to one side of the first signal wires, is provided with a second signal wire, the second signal wire is connected with a second flexible circuit board, the first signal wire is connected with a first connecting part of the first flexible circuit board, a second connecting part of the first flexible circuit board faces to one side of the substrate where the first signal wire is located, the first connecting part of the second flexible circuit board is connected with the second signal wire, and a second connecting part of the second flexible circuit board faces to one side of the substrate where the second signal wire is located, wherein the second connecting part of the first flexible circuit board is opposite to the second connecting part of the second flexible circuit board.
2. A display screen as recited in claim 1, wherein: the first flexible circuit board and the second flexible circuit board are both U-shaped.
3. A display screen as recited in claim 1, wherein: the first flexible circuit board and the second flexible circuit board are arranged in a semicircular mode.
4. A display screen as recited in claim 1, wherein: the first flexible circuit board and the second flexible circuit board are arranged in a semi-rectangular mode.
5. A display screen as recited in claim 1, wherein: the central axis of the outgoing line position of the first signal line is parallel to the central axis of the outgoing line position of the second signal line.
6. A display screen as recited in claim 5, wherein: the central axis of the second connecting part of the second flexible circuit board is coincident with the central axis of the second connecting part of one of the two adjacent first flexible circuit boards.
7. A tiled display screen, characterized in that: comprising the following steps: more than two display screens according to any one of claims 1-6, wherein a first flexible circuit board in one display screen to be spliced is electrically connected with a second flexible circuit board in the other display screen.
8. A method for splicing the spliced display screen as claimed in claim 7, characterized in that:
bending the first flexible circuit boards and the second flexible circuit boards of the two display screens towards the back surfaces of the display screens respectively;
splicing one side of a first signal line of one display screen with one side of a second signal line of the other display screen;
and the first flexible circuit board of one display screen is electrically connected with the second flexible circuit board of the other display screen through the connecting device.
9. The splicing method according to claim 8, wherein: and the bending angle of the first flexible circuit board and the second flexible circuit board when the first flexible circuit board and the second flexible circuit board are bent towards the back surface of the display screen is 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470841.4A CN113450661B (en) | 2020-05-28 | 2020-05-28 | Display screen, spliced display screen and splicing method of spliced display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470841.4A CN113450661B (en) | 2020-05-28 | 2020-05-28 | Display screen, spliced display screen and splicing method of spliced display screen |
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| CN113450661A CN113450661A (en) | 2021-09-28 |
| CN113450661B true CN113450661B (en) | 2023-07-18 |
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| CN113450661A (en) | 2021-09-28 |
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