CN210378156U - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN210378156U CN210378156U CN201921359462.7U CN201921359462U CN210378156U CN 210378156 U CN210378156 U CN 210378156U CN 201921359462 U CN201921359462 U CN 201921359462U CN 210378156 U CN210378156 U CN 210378156U
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Abstract
The utility model relates to a display module assembly and display device. The display module comprises a display substrate, a driving chip and a flexible circuit board. The display substrate comprises a substrate body, a visual area part and a substrate routing area part, wherein the visual area part and the substrate routing area part are arranged on one surface of the substrate body; the driving chip comprises a chip body, a first driving wiring area part and a second driving wiring area part, wherein the first driving wiring area part is connected with the substrate wiring area part; the flexible circuit board comprises a board body and a circuit board wiring area part, the circuit board wiring area part is arranged on one surface of the board body, and the circuit board wiring area part is connected with the second driving wiring area part. Foretell display module assembly and display device have reduced the length in another traditional wiring district on the display substrate, have narrowed the width of the lower frame of display substrate greatly, and display module assembly's low in manufacturing cost has just guaranteed the yield of product.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display module assembly and display device.
Background
At present, a mobile phone display screen increasingly pursues a full screen design, wherein narrowing of an upper frame and a lower frame is a popular trend, and a design scheme for solving the problem at present is a COF (chip on FPC) scheme, but the scheme at present has the defects of resource shortage, low yield, high cost and the like.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a display module and a display device aiming at the problem that the upper and lower frames of the display screen of the mobile phone cannot be narrowed effectively.
A display module, comprising:
the display substrate comprises a substrate body, a visual area part and a substrate routing area part, wherein the visual area part and the substrate routing area part are arranged on one surface of the substrate body;
the driving chip comprises a chip body, a first driving wiring area part and a second driving wiring area part, and the first driving wiring area part is connected with the substrate wiring area part;
the flexible circuit board comprises a board body and a circuit board wiring area part, the circuit board wiring area part is arranged on one surface of the board body, and the circuit board wiring area part is connected with the second driving wiring area part.
In one embodiment, the first driving routing area portion and the second driving routing area portion are respectively disposed on two opposite sides of the chip body.
In one embodiment, an end of the substrate routing area portion away from the visible area portion is aligned with an end of the substrate body, and a projection of the driving chip on the substrate body is located on the substrate routing area portion.
In one embodiment, the first driving routing area portion is disposed at one end of the chip body, and the second driving routing area portion is disposed at the other end of the chip body.
In one embodiment, the first driving routing area portion is disposed at an end of the chip body away from the visible area portion, and the second driving routing area portion is disposed at an end of the chip body adjacent to the visible area portion.
In one embodiment, a surface of the chip body facing away from the substrate routing area is connected to the board body.
In one embodiment, a surface of the chip body facing away from the second driving routing area is connected to the substrate routing area.
In one embodiment, the first driving trace area and the substrate trace area are electrically connected through a first conductive adhesive.
In one embodiment, the circuit board routing area portion and the second driving routing area portion are electrically connected through a second conductive adhesive.
A display device comprises the display module set according to any one of the above embodiments.
In the display module and the display device, the visible area part and the substrate routing area part of the display substrate are both arranged on the substrate body, the substrate routing area part is used for being connected with the first driving routing area part of the chip body of the driving chip, the circuit board routing area part of the flexible circuit board is used for being connected with the second driving routing area part of the chip body, and thus the circuit board routing area part of the flexible circuit board is directly connected with the second driving routing area part of the driving chip, and another traditional routing area part on the display substrate which is originally used for connecting the second driving routing area part with the circuit board routing area part is omitted, so that the width of the lower frame of the display substrate is the width of the substrate routing area part, the length of another traditional routing area part on the display substrate is reduced, therefore, the width of the lower frame of the display substrate is greatly reduced, and the manufacturing cost of the display module is low, and the yield of the product is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a display module according to an embodiment;
FIG. 2 is an enlarged view of a portion A of the display module shown in FIG. 1;
FIG. 3 is a schematic view of another angle of the display module according to an embodiment;
fig. 4 is a schematic structural diagram of a conventional display module.
Detailed Description
In order to facilitate understanding of the present invention, the display module and the display device will be described more fully with reference to the related drawings. The preferred embodiments of the display module and the display device are shown in the attached drawings. However, the display module and the display device can be implemented in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the display module and the display device herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A display module comprises a display substrate, a driving chip and a flexible circuit board. The display substrate comprises a substrate body, a visual area part and a substrate routing area part, wherein the visual area part and the substrate routing area part are arranged on one surface of the substrate body; the driving chip comprises a chip body, a first driving wiring area part and a second driving wiring area part, and the first driving wiring area part is connected with the substrate wiring area part; the flexible circuit board comprises a board body and a circuit board wiring area part, wherein the circuit board wiring area part is arranged on one surface of the board body, and the circuit board wiring area part is connected with the second driving wiring area part.
As shown in fig. 1 to 3, a display module 10 includes a display substrate 100, a driving chip 200 and a flexible circuit board 300. The display substrate 100 includes a substrate body 110, a visible area part 120 and a substrate routing area part 130, wherein the visible area part 120 and the substrate routing area part 130 are disposed on one side of the substrate body 110; the driving chip 200 includes a chip body 210, a first driving routing area part 220 and a second driving routing area part 230, wherein the first driving routing area part 220 is connected to the substrate routing area part 130; the flexible circuit board 300 includes a board body 310 and a circuit board routing area portion 320, the circuit board routing area portion 320 is disposed on one side of the board body 310, and the circuit board routing area portion 320 is connected to the second driving routing area portion 230.
In the display module 10 and the display device, the visible area portion 120 and the substrate routing area portion 130 of the display substrate 100 are both disposed on the substrate body 110, the substrate routing area portion 130 is used for connecting with the first driving routing area portion 220 of the chip body 210 of the driving chip 200, the circuit board routing area portion 320 of the flexible circuit board 300 is used for connecting with the second driving routing area portion 230 of the chip body 210, so that the circuit board routing area portion 320 of the flexible circuit board 300 is directly connected with the second driving routing area portion 230 of the driving chip 200, another conventional routing area portion on the display substrate 100 for connecting the second driving routing area portion 230 with the circuit board routing area portion 320 is omitted, the width of the lower frame of the display substrate 100 is the width of the substrate routing area portion 130, the length of another conventional routing area portion on the display substrate 100 is reduced, and therefore the width of the lower frame of the display substrate 100 is greatly reduced, the manufacturing cost of the display module 10 is low, and the yield of products is guaranteed. As shown in fig. 4, which is a schematic structural diagram of a conventional display module 30, the display module 30 includes a display substrate 400, a driving chip 500 and a flexible circuit board 600, the display substrate 400 has a first routing area 410 and a second routing area 420, the driving chip 500 has a third routing area 510 and a fourth routing area 520, the flexible circuit board 600 has a fifth routing area 610, the third routing area 510 is connected to the first routing area 410, the fourth routing area 520 and the fifth routing area 610 are respectively connected to the second routing area 420, that is, the fourth routing area 520 and the fifth routing area 610 are connected by the second routing area 420, in the conventional display module 30, the width of the lower border of the display substrate 400 is equal to the sum of the distance between the first routing area 410 and the second routing area 420, the width of the first routing area 410 and the width of the second routing area 420, and the width of the lower border of the display substrate 100 of the present application is equal to the width of the lower border of the substrate 130, that is, the width of the first routing area portion 410 of the conventional display substrate 400 is equivalent, so that the width of the lower frame of the display substrate 100 of the present application is greatly reduced.
In order to further narrow the width of the lower frame of the display substrate 100, in one embodiment, the first driving routing area 220 and the second driving routing area 230 are respectively disposed on two opposite sides of the chip body 210, that is, the first driving routing area 220 disposed on one side of the chip body 210 is connected to the substrate routing area 130, and the second driving routing area 220 disposed on the other side of the chip body 210 is connected to the circuit board routing area 320, so that the driving chip 200 is disposed on the substrate body 110, the flexible circuit board 300 is disposed on the driving chip, the flexible circuit board 300 is at least partially overlapped with the driving chip 200, and the driving chip 200 is at least partially overlapped with the substrate body 110, so that the width of the lower frame of the display substrate 100 can be set narrower. For the first driving wiring area part and the second driving wiring area part which are arranged on the same surface of the chip body, the flexible circuit board is required to be connected to one surface of the driving chip facing the substrate body, so that the connection between the flexible circuit board and the driving chip is not stable enough, the length of the whole body formed by the driving chip and the flexible circuit board after connection is larger, and then the flexible circuit board can be connected with the part of the chip body outside the substrate body only by at least partially positioning the chip body outside the substrate body, so that the length of the whole body formed by connecting the substrate wiring area, the driving chip and the flexible circuit board is larger, and the flexible circuit board is not well arranged under the condition that the traditional wiring area part is omitted on the lower frame of the display substrate; moreover, as the chip body is softer, if part of the chip body is positioned outside the substrate body, the chip body is easy to bend, and particularly, after the part of the chip body positioned outside the substrate body is connected with the flexible circuit board, the chip body is easy to bend; the first driving routing area 220 and the second driving routing area 230 are respectively disposed on two opposite sides of the chip body 210, so that the above-mentioned problems are avoided, the driving chip 200 is disposed on the substrate body 110, the flexible circuit board 300 is disposed on the driving chip, the flexible circuit board 300 and the driving chip 200 are at least partially overlapped, the driving chip 200 and the substrate body 110 are at least partially overlapped, and thus the width of the lower frame of the display substrate 100 can be set narrower. In order to further narrow the width of the lower frame of the display substrate 100, in one embodiment, an end of the substrate routing area 130 away from the viewing area 120 is aligned with an end of the substrate body 110, and a projection of the driving chip 200 on the substrate body 110 is located on the substrate routing area 130. The lower frame of the display substrate 100 is only provided with the substrate routing area part 130, the width of the substrate routing area part 130 is the width of the lower frame of the display substrate 100, so that the width of the lower frame of the display substrate 100 is reduced continuously, which is equivalent to the width of the distance between two traditional routing area parts, the width of the lower frame of the display substrate 100 is further narrowed, and the driving chips 200 are all located on the substrate body 110, so that the stability of the driving chips 200 can be ensured, and the bending can not occur. In one embodiment, an end of the chip body 210 away from the view area 120 is aligned with an end of the substrate routing area 130 away from the view area 120.
In other embodiments, the first driving routing area part and the second driving routing area part are disposed on the same surface of the chip body, that is, the first driving routing area part and the second driving routing area part are disposed on a surface of the chip body facing the substrate body; at the moment, one part of the driving chip is positioned on the substrate body, the other part of the driving chip is positioned outside the substrate body, the first driving wiring area part is arranged on the part of the driving chip positioned on the substrate body, and the second driving wiring area part is arranged on the part of the driving chip positioned outside the substrate body; the circuit board routing area part is connected with the second driving routing area part, namely the flexible circuit board is connected with the part of the driving chip, which is positioned outside the substrate body, and is positioned on the surface of the chip body, which faces the substrate body.
In order to design the driving chip 200 and the first driving routing area 220 and the second driving routing area 230 thereof, in one embodiment, the first driving routing area 220 is disposed at one end of the chip body 210, and the second driving routing area 230 is disposed at the other end of the chip body 210. For the same end of the chip body 210, the two routing areas of the driving chip 200 are disposed at different ends of the chip body 210, so that the two routing areas are staggered from each other, which is convenient for designing the driving chip 200 and the first driving routing area 220 and the second driving routing area 230 thereof, and prevents the functional areas from being concentrated.
In one embodiment, as shown in fig. 3, the first driving routing area portion 220 is disposed at an end of the chip body 210 far from the viewing area portion 120, and the second driving routing area portion 230 is disposed at an end of the chip body 210 near the viewing area portion 120. In this way, since the second driving wire area 230 is disposed at one end of the chip body 210 adjacent to the visible area 120, the circuit board wire area 320 of the flexible circuit board 300 is conveniently connected to the second driving wire area 230, and at least a portion of the board body 310 of the flexible circuit board 300 is located on the chip body 210, so that the connection between the circuit board wire area 320 of the flexible circuit board 300 and the second driving wire area 230 is stable. In one embodiment, a surface of the chip body 210 away from the substrate routing area 130 is connected to the board body 310, so that the chip body 210 is connected to the board body 310, so that the connection between the entire flexible circuit board 300 and the driving chip 200 is more stable, and the connection stability between the circuit board routing area 320 and the second driving routing area 230 is ensured. In one embodiment, a surface of the chip body 210 facing away from the substrate routing area 130 is bonded to the board body 310, so that the flexible circuit board 300 can be easily detached from the driving chip 200, and the flexible circuit board 300 can be easily connected to the driving chip 200. In other embodiments, the first driving routing area portion is disposed at an end of the chip body adjacent to the visible area portion, and the second driving routing area portion is disposed at an end of the chip body away from the visible area portion.
In one embodiment, the first driving trace area and the second driving trace area are located at the same end of the chip body. In one embodiment, the first driving routing area portion and the second driving routing area portion are both located at one end of the chip body adjacent to the visible area portion. In one embodiment, the first driving routing area portion and the second driving routing area portion are both located at one end of the chip body far away from the visible area portion.
In one embodiment, the first driving trace section is located between two ends of one side of the chip body, and the second driving trace section is located between two ends of the other side of the chip body.
In order to ensure the connection stability between the first driving wire section 220 and the substrate wire section 130, in one embodiment, one surface of the chip body 210 away from the second driving wire section 230 is connected to the substrate wire section 130, so that the chip body 210 is connected to the substrate wire section 130, the connection between the entire driving chip 200 and the substrate wire section 130 is more stable, and the connection stability between the first driving wire section 220 and the substrate wire section 130 is ensured. In one embodiment, a surface of the chip body 210 facing away from the second driving trace section 230 is bonded to the substrate trace section 130, so as to facilitate detachment of the flexible circuit board 300 from the driving chip 200 and connection of the flexible circuit board 300 to the driving chip 200.
In one embodiment, the first driving trace area 220 and the substrate trace area 130 are electrically connected by the first conductive adhesive, so that a conductive wire is omitted, and the whole display module 10 has a compact structure. In this embodiment, one surface of the first conductive adhesive is bonded to the pins of the first driving wire area 220, and the other surface is bonded to the pins of the substrate wire area 130, so that the first driving wire area 220 is movably connected to the substrate wire area 130, and the first driving wire area 220 is conveniently connected to or detached from the substrate wire area 130.
In one embodiment, the circuit board trace area portion 320 and the second driving trace area portion 230 are electrically connected through a second conductive adhesive, so that a conductive wire is omitted, and the structure of the whole display module 10 is compact. In this embodiment, one surface of the second conductive adhesive is bonded to the pins of the second driving wire area portion 230, and the other surface is bonded to the pins of the circuit board wire area portion 320, so that the second driving wire area portion 230 is movably connected to the circuit board wire area portion 320, and the second driving wire area portion 230 is conveniently connected to or detached from the circuit board wire area portion 320.
A display device includes the display module 10 according to any of the above embodiments.
The display device includes the display substrate 100, the visible area portion 120 and the substrate routing area portion 130 of the display substrate 100 are both disposed on the substrate body 110, the substrate routing area portion 130 is used for connecting with the first driving routing area portion 220 of the chip body 210 of the driving chip 200, the circuit board routing area portion 320 of the flexible circuit board 300 is used for connecting with the second driving routing area portion 230 of the chip body 210, so that the circuit board routing area portion 320 of the flexible circuit board 300 is directly connected with the second driving routing area portion 230 of the driving chip 200, another conventional routing area portion on the display substrate 100 originally used for connecting the second driving routing area portion 230 and the circuit board routing area portion 320 is omitted, so that the width of the lower frame of the display substrate 100 is the width of the substrate area portion 130, the length of another conventional routing area portion on the display substrate 100 is reduced, and therefore the width of the lower frame of the display substrate routing 100 is greatly narrowed, the manufacturing cost of the display module 10 is low, and the yield of products is guaranteed. As shown in fig. 4, which is a schematic structural diagram of a conventional display module 30, the display module 30 includes a display substrate 400, a driving chip 500 and a flexible circuit board 600, the display substrate 400 has a first routing area 410 and a second routing area 420, the driving chip 500 has a third routing area 510 and a fourth routing area 520, the flexible circuit board 600 has a fifth routing area 610, the third routing area 510 is connected to the first routing area 410, the fourth routing area 520 and the fifth routing area 610 are respectively connected to the second routing area 420, that is, the fourth routing area 520 and the fifth routing area 610 are connected by the second routing area 420, in the conventional display module 30, the width of the lower border of the display substrate 400 is equal to the sum of the distance between the first routing area 410 and the second routing area 420, the width of the first routing area 410 and the width of the second routing area 420, and the width of the lower border of the display substrate 100 of the present application is equal to the width of the lower border of the substrate 130, that is, the width of the first routing area portion 410 of the conventional display substrate 400 is equivalent, so that the width of the lower frame of the display substrate 100 of the present application is greatly reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A display module, comprising:
the display substrate comprises a substrate body, a visual area part and a substrate routing area part, wherein the visual area part and the substrate routing area part are arranged on one surface of the substrate body;
the driving chip comprises a chip body, a first driving wiring area part and a second driving wiring area part, and the first driving wiring area part is connected with the substrate wiring area part;
the flexible circuit board comprises a board body and a circuit board wiring area part, the circuit board wiring area part is arranged on one surface of the board body, and the circuit board wiring area part is connected with the second driving wiring area part.
2. The display module according to claim 1, wherein the first driving trace area and the second driving trace area are disposed on two opposite sides of the chip body.
3. The display module assembly according to claim 2, wherein an end of the substrate routing area portion away from the viewing area portion is aligned with an end of the substrate body, and a projection of the driving chip on the substrate body is located on the substrate routing area portion.
4. The display module assembly according to claim 2, wherein the first driving trace section is disposed at one end of the chip body, and the second driving trace section is disposed at the other end of the chip body.
5. The display module assembly according to claim 3, wherein the first driving trace section is disposed at an end of the chip body away from the visible region section, and the second driving trace section is disposed at an end of the chip body adjacent to the visible region section.
6. The display module assembly according to claim 4, wherein a surface of the chip body facing away from the substrate routing area is connected to the board body.
7. The display module according to claim 2, wherein a surface of the chip body facing away from the second driving trace section is connected to the substrate trace section.
8. The display module of claim 1, wherein the first driving trace area and the substrate trace area are electrically connected by a first conductive adhesive.
9. The display module according to claim 1, wherein the circuit board trace area portion and the second driving trace area portion are electrically connected through a second conductive adhesive.
10. A display device, comprising the display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359462.7U CN210378156U (en) | 2019-08-20 | 2019-08-20 | Display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359462.7U CN210378156U (en) | 2019-08-20 | 2019-08-20 | Display module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210378156U true CN210378156U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921359462.7U Active CN210378156U (en) | 2019-08-20 | 2019-08-20 | Display module and display device |
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| Country | Link |
|---|---|
| CN (1) | CN210378156U (en) |
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2019
- 2019-08-20 CN CN201921359462.7U patent/CN210378156U/en active Active
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