Display module

Abstract

The utility model discloses a display module which comprises a display screen, a plurality of driving chips are bound on one side edge of the display screen, and the driving chips are distributed along the side edge of the display screen; the first circuit board is not provided with an element area and comprises a binding end, a first connecting end and a first wire, and the binding end and the first connecting end are connected through the first wire; the second circuit board is provided with an element area and comprises a second connecting end and a second wire, and the second connecting end is connected with the element area through the second wire; the first circuit board is connected with a plurality of driving chips on the display screen in a binding mode through the binding end of the first circuit board, and the first circuit board is connected with the second connecting end of the second circuit board through the first connecting end of the first circuit board. The display module can save circuit board materials.

Description

Technical Field

[0001] The utility model relates to display technology, in particular to a display module. Background Art

[0002] Currently, if Figure 1 As shown, a high-resolution medium-to-large-sized TFT display screen 1' often needs to use multiple driver chips 11' for partitioned driving due to the large number of signal channels. Multiple driver chips 11' need to be connected to the terminal mainboard through the same circuit board 2'. The layout of the circuit board 2' includes a binding end 21', a component area 22' and a connection end 23' arranged in sequence. The internal wiring 24' of the circuit board 2' extends from the binding end 21' through the component area 22' to the connection end 23'. Some components such as resistors and capacitors are welded on the component area 22', which together with the internal wiring 24' form a complete circuit structure. Since there are multiple driver chips 11' on the display screen 1', the width of the binding end 21' of the circuit board 2' needs to be very large. In order to match the width of the binding end 21', the overall area of ​​the circuit board 2' is also very large, but the area of ​​the component area 22' and the connection end 23' is generally small, which results in a large number of blank areas 25' without wiring on both sides of the component area 22' and the connection end 23' of the circuit board 2', resulting in a waste of circuit board 2' materials. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a display module which can save circuit board materials.

[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] A display module, comprising:

[0006] A display screen, one side of which is bound with a plurality of driver chips, and the plurality of driver chips are distributed along the side of the display screen;

[0007] A first circuit board without a component area includes a binding end, a first connecting end, and a first wiring, wherein the first wiring connects the binding end and the first connecting end;

[0008] A second circuit board having a component area, comprising a second connection end and a second wiring, wherein the second wiring connects the second connection end and the component area;

[0009] The first circuit board is bound and connected to a plurality of driving chips on the display screen through its binding end, and the first circuit board is connected to a second connection end of the second circuit board through its first connection end.

[0010] Furthermore, the first connecting end and the binding end are respectively located on two opposite sides of the first circuit board.

[0011] Furthermore, the first connecting end and the binding end are respectively located on two adjacent sides of the first circuit board.

[0012] Furthermore, the first circuit board is a flexible circuit board.

[0013] Furthermore, the second circuit board is a flexible circuit board.

[0014] Furthermore, the second circuit board also includes a third connection end, and the second wiring connects the component area and the third connection end.

[0015] Furthermore, one of the first connection end and the second connection end is provided with a male connector, and the other is provided with a female connector.

[0016] Furthermore, the second circuit board is a rigid circuit board.

[0017] Furthermore, the first connection end is provided with a plug pin, and the second connection end is provided with a socket.

[0018] Furthermore, the second circuit board is a terminal mainboard, provided with a terminal processor, and the second wiring connects the component area and the terminal processor.

[0019] The utility model has the following beneficial effects: the display module of the utility model adopts a dual circuit board structure, wherein the first circuit board bound to the display screen is not provided with any component area, and is only responsible for leading out the LVDS signal or RGB signal of the display screen, and then the component area provided on the second circuit board performs filtering, amplification and other processing on the LVDS signal or RGB signal of the display screen. In this way, even if the first circuit board is made larger in area in order to bind with multiple driver ICs on the display screen, because no component area is provided on the first circuit board, the first circuit board only has wasteful blank areas without wiring on both sides of the first connection end, and the second circuit board only needs to be connected to the first circuit board, and the width of its second connection end only needs to match the width of the first connection end, so the width of the second connection end is much smaller than the binding end, so the area of ​​the second circuit board can be made very small, and the second circuit board has no wasted blank areas on both sides of the component area, so that the blank area of ​​the circuit board can be reduced as a whole, thereby saving circuit board materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of an existing display module.

[0021] Figure 2 This is a schematic diagram of the structure of the display module provided by the utility model.

[0022] Figure 3 This is a schematic structural diagram of another display module provided by the utility model.

[0023] Figure 4 This is a schematic structural diagram of another display module provided by the utility model. Implementation

[0024] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0028] like Figure 2 and3 As shown, a display module comprises:

[0029] A display screen 1, on one side of which a plurality of driver chips 11 are bound, and the plurality of driver chips 11 are distributed along the side of the display screen 1;

[0030] The first circuit board 2 without the component area 32 includes a binding end 21, a first connecting end 22 and a first wiring 23, wherein the first wiring 23 connects the binding end 21 and the first connecting end 22;

[0031] The second circuit board 3 having a component area 32 includes a second connection end 31 and a second wiring 34, wherein the second wiring 34 connects the second connection end 31 and the component area 32;

[0032] The first circuit board 2 is bound and connected to the plurality of driving chips 11 on the display screen 1 via its binding end 21 , and the first circuit board 2 is connected to the second connection end 31 of the second circuit board 3 via its first connection end 22 .

[0033] The display module of the utility model adopts a double circuit board structure, wherein the first circuit board 2 bound to the display screen 1 is not provided with any component area 32, and is only responsible for leading out the LVDS signal or RGB signal of the display screen 1, and then the component area 32 set on the second circuit board 3 performs filtering, amplification and other processing on the LVDS signal or RGB signal of the display screen 1. In this way, even if the first circuit board 2 is made larger in area in order to bind with multiple driver ICs on the display screen 1, because the first circuit board 2 is not provided with any component area 32, the first circuit board 2 only has wasteful blank areas 24 without wiring on both sides of the first connection end 22, and the second circuit board 3 only needs to be connected to the first circuit board 2, and the width of its second connection end 31 only needs to match the width of the first connection end 22, so the width of the second connection end 31 is much smaller than the binding end 21, so the area of ​​the second circuit board 3 can be made very small, and the second circuit board 3 has no wasted blank areas 24 on both sides of the component area 32, so the blank areas 24 of the circuit board can be reduced as a whole, so as to save circuit board materials.

[0034] Some components such as resistors and capacitors are welded on the component area 32 , and together with the second wiring 34 , form a complete circuit structure for filtering, amplifying, etc. the LVDS signal or RGB signal of the display screen 1 .

[0035] In this embodiment, the main part of the first circuit board 2 is a rectangle, including two first long sides arranged opposite to each other, and two first short sides arranged opposite to each other, and the first long side is perpendicular to the first short side; wherein the binding end 21 is located on one of the first long sides of the first circuit board 2.

[0036] The width of the first connection end 22 is smaller than the width of the binding end 21 . Since no component area 32 is provided, the first circuit board 2 only has wasted blank areas 24 on both sides of the first connection end 22 .

[0037] In one embodiment, Figure 2 As shown, the first connection end 22 and the binding end 21 are respectively located on two opposite sides of the first circuit board 2 , that is, the first connection end 22 is located on the other first long side of the first circuit board 2 .

[0038] In another embodiment, if Figure 3 As shown, the first connection end 22 and the binding end 21 are respectively located on two adjacent sides of the first circuit board 2, that is, the first connection end 22 is located on one of the short sides of the first circuit board 2. At this time, an extension section is also provided on the first circuit board 2 to connect the first connection end 22 and the main part of the first circuit board 2 to facilitate the assembly of the second circuit board 3 from the short side of the first circuit board 2.

[0039] In this embodiment, the main body of the second circuit board 3 is a rectangle, including two second long sides arranged opposite to each other, and two second short sides arranged opposite to each other, and the second long sides are perpendicular to the second short sides; wherein the second connection end 31 is located on one of the second short sides of the second circuit board 3, and the width of the second short side is consistent with the width of the component area 32, or the width of the second short side is between 1-2 mm larger than the width of the component area 32 to meet the tolerance requirements.

[0040] Since the width of the second short side is consistent with the width of the component area 32 , or the width of the second short side is 1-2 mm larger than the width of the component area 32 , the second circuit board 3 has no wasted blank area 24 on both sides of the component area 32 .

[0041] In this embodiment, the first circuit board 2 is preferably a flexible circuit board. Embodiment 2

[0042] As an optimization solution of the first embodiment, in this embodiment, if Figure 2As shown, the second circuit board 3 is a flexible circuit board, and the first circuit board 2 is connected to the terminal mainboard of the mobile terminal through the second circuit board 3, so the second circuit board 3 also includes a third connection end 33, and the second wiring 34 connects the component area 32 and the third connection end 33; the second circuit board 3 is connected to the terminal mainboard.

[0043] When the first circuit board 2 and the second circuit board 3 are connected in a flexible board to flexible board structure, the first circuit board 2 and the second circuit board 3 are connected by a connector, that is, one of the first connection end 22 and the second connection end 31 is provided with a connector male head, and the other is provided with a connector female socket. Embodiment 3

[0044] As another optimization solution of the first embodiment, in this embodiment, if Figure 3 As shown, the second circuit board 3 is a hard circuit board, and the first circuit board 2 is connected to the terminal mainboard of the mobile terminal through the second circuit board 3, so the second circuit board 3 also includes a third connection end 33, and the second wiring 34 connects the component area 32 and the third connection end 33; the second circuit board 3 is connected to the terminal mainboard.

[0045] When the connection structure between the first circuit board 2 and the second circuit board 3 is a soft board to a hard board, the first circuit board 2 and the second circuit board 3 are connected by a plug-in structure, that is, a plug PIN is provided on the first connection end 22 and a socket is provided on the second connection end 31. Embodiment 4

[0046] As another optimization solution of the first embodiment, in this embodiment, if Figure 4 As shown, the second circuit board 3 is a hard circuit board, and the second circuit board 3 is a terminal mainboard of a mobile terminal, provided with a terminal processor 35 , and the second wiring 34 connects the component area 32 and the terminal processor 35 .

[0047] When the connection structure between the first circuit board 2 and the second circuit board 3 is a soft board to a hard board, the first circuit board 2 and the second circuit board 3 are connected by a plug-in structure, that is, a plug PIN is provided on the first connection end 22 and a socket is provided on the second connection end 31.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the utility model rather than to limit them. Although the embodiments of the utility model are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the utility model can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A display module, characterized in that: include: A display screen, one side of which is bound with a plurality of driver chips, and the plurality of driver chips are distributed along the side of the display screen; A first circuit board without a component area includes a binding end, a first connecting end, and a first wiring, wherein the first wiring connects the binding end and the first connecting end; A second circuit board having a component area, comprising a second connection end and a second wiring, wherein the second wiring connects the second connection end and the component area; The first circuit board is bound and connected to a plurality of driving chips on the display screen through its binding end, and the first circuit board is connected to a second connection end of the second circuit board through its first connection end.

2. The display module according to claim 1, characterized in that: The first connecting end and the binding end are respectively located on two opposite sides of the first circuit board.

3. The display module according to claim 1, characterized in that: The first connecting end and the binding end are respectively located on two adjacent sides of the first circuit board.

4. The display module according to claim 1, characterized in that: The first circuit board is a flexible circuit board.

5. The display module according to claim 1, characterized in that: The second circuit board is a flexible circuit board.

6. The display module according to claim 5, characterized in that: The second circuit board further includes a third connection end, and the second trace connects the component area and the third connection end.

7. The display module according to claim 5 or 6, characterized in that: One of the first connection end and the second connection end is provided with a male connector, and the other is provided with a female connector.

8. The display module according to claim 1, characterized in that: The second circuit board is a rigid circuit board.

9. The display module according to claim 8, characterized in that: The first connection end is provided with an insertion PIN, and the second connection end is provided with a socket.

10. The display module according to claim 1, characterized in that: The second circuit board is a terminal main board, which is provided with a terminal processor, and the second wiring connects the component area and the terminal processor.

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