CN115268690A - Display device and electronic apparatus - Google Patents
Display device and electronic apparatus Download PDFInfo
- Publication number
- CN115268690A CN115268690A CN202210776175.6A CN202210776175A CN115268690A CN 115268690 A CN115268690 A CN 115268690A CN 202210776175 A CN202210776175 A CN 202210776175A CN 115268690 A CN115268690 A CN 115268690A
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- flexible circuit
- circuit board
- display
- circuit boards
- display panel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses display device and electronic equipment, this display device includes display panel, two at least first flexible circuit boards and second flexible circuit board, wherein, display panel includes display module assembly and touch-control module, all be provided with the first drive device that the display module assembly realized the display function on every first flexible circuit board, and every first flexible circuit board all nation decides on display panel, so that first drive device is connected with the display module assembly electricity, be provided with the second drive device that drive touch-control module assembly realized the touch-control function on the second flexible circuit board, and the second flexible circuit board is connected with at least one first flexible circuit board, so that the second drive device is connected with touch-control module assembly electricity through the first line of walking on the first flexible circuit board. The display device can meet the design requirement of narrow frame.
Description
Technical Field
The present application belongs to the field of display technologies, and in particular, relates to a display device and an electronic apparatus.
Background
With the continuous development of display technologies, people have higher and higher requirements on the display of the display device, and the narrow frame design is more and more favored by people.
Generally, a binding region of a display panel is bound with a flexible circuit board, a driving chip for driving the display panel is welded on the flexible circuit board, and the current binding structure of the flexible circuit board and the display panel limits the development of a narrow frame of the display device.
Disclosure of Invention
The application provides a display device and an electronic apparatus, which can meet the narrow frame design requirement of the display device.
A first aspect of an embodiment of the present application provides a display device, including: the display panel comprises a display module and a touch module; each first flexible circuit board is provided with a first driving device for driving the display module to realize a display function, and each first flexible circuit board is bonded on the display panel so that the first driving device is electrically connected with the display module; the second flexible circuit board is provided with a second driving device for driving the touch module to realize a touch function, and the second flexible circuit board is connected with at least one first flexible circuit board, so that the second driving device is electrically connected with the touch module through a first wire on the first flexible circuit board.
A second aspect of embodiments of the present application provides an electronic device, including any one of the electronic devices described above.
The beneficial effects are that: this application sets up different drive device on the flexible circuit board of difference, can reduce the size of single flexible circuit board to reduce single flexible circuit board's appearance tolerance, and along with the reduction of flexible circuit board appearance tolerance, can improve the effective area of contact between the nation's pin on nation's pin and the display panel on the flexible circuit board, and then can reduce the length of nation's pin on the display panel, realize the requirement of display device narrow frame ization. Simultaneously this application still sets up a flexible circuit board of second drive device and first drive device sharing not, can further reduce the size of single flexible circuit board on the one hand, further reduces flexible circuit board's appearance tolerance, and on the other hand can also be convenient for maintain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a display device according to an embodiment of the present application;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic diagram illustrating a structure of a bonding area of a display panel for bonding a first flexible circuit board;
fig. 4 is a schematic structural diagram of an embodiment of an electronic device according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and 2, in an embodiment of the present disclosure, a display device 100 includes a display panel 110, a first flexible circuit board 120, a second flexible circuit board 130, and a third flexible circuit board 140.
The display panel 110 includes a display module (not shown) and a touch module (not shown), specifically, the display module is used for displaying images, and the touch module is used for interacting with a user. The Display panel 110 may be any type of panel, such as an LCD (Liquid Crystal Display) Display panel, an OLED (Organic Light-Emitting Diode) Display panel, or a Micro-LED (Micro Light-Emitting Diode) Display panel, which is not limited herein. Meanwhile, in the display panel 110, the touch module may be disposed on the light emitting side of the display module as an independent component, or the touch module and the display module may be disposed in an integrated manner (on-cell), and in short, the present application is not limited to the relative position relationship between the display module and the touch module.
The quantity of first flexible circuit board 120 is at least two, all is provided with the first drive device 121 that the display module group of drive realized showing the function on every first flexible circuit board 120, and every first flexible circuit board 120 all nation decides on display panel 110 to make first drive device 121 be connected with the display module group electricity. Specifically, the display panel 110 implements a display function under the driving of the first driving devices 121 on all the first flexible circuit boards 120.
The number of the first flexible circuit boards 120 is two, three, four or more, and the number of the first driving devices 121 disposed on the first flexible circuit boards 120 may be one or more. It can be understood that, when the number of the first driving devices 121 disposed on the first flexible circuit board 120 is one, the number of the first flexible circuit board 120 is equal to the number of the first driving devices 121 required for implementing the display function of the display module.
The first driving device 121 may specifically include a driving chip for driving the display module to display, and a peripheral resistor, a capacitor, and the like electrically connected to the driving chip.
In the present embodiment, the first flexible circuit board 120 is bonded to the display panel 110 by using an Anisotropic Conductive Film (ACF). Specifically, the bonding area of the display panel 110 for bonding the first flexible circuit board 120 and the bonding area of the first flexible circuit board 120 for bonding the display panel 110 are both provided with a plurality of pins, and the first flexible circuit board 120 and the display panel 110 are bonded by using an anisotropic conductive film, so that the short circuit between adjacent pins on the display panel 110 and the short circuit between adjacent pins on the first flexible circuit board 120 can be avoided.
It should be noted that, in other embodiments, the first flexible circuit board 120 may also be bonded to the display panel 110 in other manners, for example, conductive adhesives are respectively formed on a plurality of pins on the display panel 110 in a dispensing manner, and then the first flexible circuit board 120 is bonded to the display panel 110.
The second flexible circuit board 130 is provided with a second driving device 131 for driving the touch module to realize a touch function, and the second flexible circuit board 130 is connected to at least one first flexible circuit board 120, so that the second driving device 131 is electrically connected to the touch module through a first trace (not shown) on the first flexible circuit board 120.
The second driving device 131 may specifically include a driving chip for driving the touch module to implement a touch function, and a peripheral resistor, a capacitor, and the like electrically connected to the driving chip.
Specifically, the second driving device 131 transmits a driving signal to the touch module through the first trace on the first flexible circuit board 120, so that the touch module realizes a touch function.
In the related art, the driving devices for driving the display panel 110 to realize the display function and the touch function are all disposed on the same flexible circuit board, and at this time, the flexible circuit board needs to be disposed with a plurality of driving devices, so the X-direction width is large, and along with the increase of the width, the tolerance of the external dimension of the flexible circuit board is increased, and along with the increase of the tolerance of the external dimension of the flexible circuit board, the effective contact area between the bonding pin on the flexible circuit board and the bonding pin on the display panel 110 is reduced, thereby the requirement of the conductive performance is difficult to be satisfied, for example, when the flexible circuit board adopts an anisotropic conductive adhesive film to bond with the display panel 110, the effective contact area between the flexible circuit board and the anisotropic conductive adhesive film, and the number of the conductive particles are difficult to satisfy the requirement of the conductive performance.
And in this embodiment, set up different drive device on the flexible circuit board of difference, can reduce the size of single flexible circuit board, thereby reduce the appearance tolerance of single flexible circuit board, and along with the reduction of flexible circuit board appearance tolerance, can improve the effective area of contact between the nation's pin on the flexible circuit board and the display panel 110, and then can reduce the length of nation's pin in the nation's region on the display panel 110, realize display device 100's narrow frame and meet the demands.
Meanwhile, the second driving device 131 and the first driving device 121 are not arranged to share one flexible circuit board, so that the size of a single flexible circuit board can be further reduced, the appearance tolerance of the flexible circuit board can be further reduced, maintenance can be facilitated, particularly, when the display function or the touch function of the display panel 110 breaks down, the corresponding flexible circuit board can be directly and independently replaced, the maintenance efficiency is improved, and the maintenance cost is reduced. In addition, according to the present disclosure, the first flexible circuit board 120 is used for bonding the second flexible circuit board 130, instead of directly bonding the second flexible circuit board 130 and the display panel 110, so that bonding pins connected to the touch module may be distributed in a bonding area of at least one first flexible circuit board 120, and the design is more flexible.
With continued reference to fig. 1 and fig. 2, in the present embodiment, at least two first flexible circuit boards 120 are disposed at an interval on the same side of the display panel 110. Of course, in other embodiments, the at least two first flexible circuit boards 120 may also be disposed on different sides of the display panel 110.
In an application scenario, as shown in fig. 1, the display panel 110 includes a first side 111 and a second side 112 that are adjacent to each other, a length of the first side 111 is smaller than a length of the second side 112, and at least two first flexible circuit boards 120 are disposed on the same first side 111.
Specifically, at least two first flexible circuit boards 120 are disposed on the same first side 111, so that only one side of the display panel 110 needs to be worked during the assembly process, and the assembly effect can be improved.
With continued reference to fig. 1 and 2, the second flexible circuit board 130 is disposed between two adjacent first flexible circuit boards 120 and is connected to at least one of the two adjacent first flexible circuit boards 120.
Specifically, the second flexible circuit board 130 may be connected to only one of the adjacent two first flexible circuit boards 120, or may be connected to both of the adjacent two first flexible circuit boards 120.
The number of the second flexible circuit boards 130 may be one or more, and is not limited herein. Wherein, when the number of the second flexible circuit boards 130 is plural, different second flexible circuit boards 130 are disposed in different intervals, each of which is formed by two adjacent first flexible circuit boards 120.
In an application scenario, as shown in fig. 1 and fig. 2, the number of the first flexible circuit boards 120 is two, and the number of the second flexible circuit boards 130 is one.
With continued reference to fig. 1 and 2, in the present embodiment, the second flexible circuit board 130 is connected to two adjacent first flexible circuit boards 120.
Specifically, the second flexible circuit board 130 is connected to two adjacent first flexible circuit boards 120, so that the stability of bonding the second flexible circuit board 130 can be improved, and the second flexible circuit board 130 is prevented from warping and deforming during the assembling process. Moreover, the first wires connecting the second driving device 131 and the touch module can also be separately arranged on the two first flexible circuit boards 120, so that the wiring design is more flexible; for the display panel 110, the bonding pins connected to the touch module may also be disposed in the bonding areas of the two first flexible circuit boards 120, which is beneficial to product design.
In order to ensure that the outlines of the different first flexible circuit boards 120 are consistent, the number of bonding pins of the two adjacent first flexible circuit boards 120 used for connecting the second flexible circuit board 130 is the same, and the arrangement modes are correspondingly the same. That is, the structures of the connection regions for connecting the second flexible circuit boards 130 of the adjacent two first flexible circuit boards 120 are identical.
With reference to fig. 2, the first flexible circuit board 120 connected to the second flexible circuit board 130 is provided with a first device region 1201, the first driving device 121 is disposed in the first device region 1201, and the first trace is disposed at the periphery of the first device region 1201. Similarly, the second flexible circuit board 130 is provided with a second device region 1301, and the second driving device 131 is disposed on the second device region 1301.
Specifically, the arrangement of the first device region 1201 and the second device region 1301 can reduce the confusion of routing on the first flexible circuit board 120 and the second flexible circuit board 130, and provide favorable conditions for subsequent maintenance.
In this embodiment, the second flexible circuit board 130 may be connected to the first flexible circuit board 120 through an anisotropic conductive film, or may be connected to the first flexible circuit board 120 through a connector, which is not limited herein.
When the second flexible circuit board 130 is connected to two adjacent first flexible circuit boards 120, the connection structures of the second flexible circuit board 130 and the two adjacent first flexible circuit boards 120 may be the same or different, and are not limited herein.
In this embodiment, in order to further ensure that the shape of the first flexible circuit board 120 can be consistent, and eliminate the limitation of the bonding device on the shape consistency of the supplied materials, the number of the bonding pins of the at least two first flexible circuit boards 120 used for bonding the display panel 110 is the same, and the arrangement mode is also the same. That is, the structures of the at least two first flexible circuit boards 120 for bonding the bonding area of the display panel 110 are identical.
Meanwhile, the same number of first driving devices 121 are disposed on the at least two first flexible circuit boards 120, and the disposition positions of the first driving devices 121 on the at least two first flexible circuit boards 120 are the same. For example, the number of the first driving devices 121 disposed on the first flexible circuit board 120 is one, and the first driving devices 121 are all located in the central region of the first flexible circuit board 120.
Meanwhile, the at least two first flexible circuit boards 120 are all the same in shape, for example, the two first flexible circuit boards 120 are both rectangular.
It should be noted that, in other embodiments, the number and the arrangement of the bonding pins used for bonding the display panel 110, the number of the arranged first driving devices 121, and the positions of the arranged first driving devices 121 of the at least two first flexible circuit boards 120 may not be the same, which is not limited herein.
In this embodiment, referring to fig. 3, each bonding area a where the display panel 110 and the at least two first flexible circuit boards 120 are bonded is provided with a plurality of first pins 1101 and a plurality of second pins 1102, the first pins 1101 are bonded to the corresponding first flexible circuit boards 120, and the second pins 1102 are left empty for inputting a test signal for testing the display panel 110.
Specifically, before the first flexible circuit board 120 is bonded to the display panel 110, a test signal needs to be input to the display panel 110 through the second pin 1102 to test the display panel 110, for example, to perform a lighting test. After the first flexible circuit board 120 is bonded to the display panel 110, it is no longer necessary to input any signal to the second pins 1102, so that in order to reduce the number of pins on the first flexible circuit board 120, after the first flexible circuit board 120 is bonded to the display panel 110, only the first pins 1101 are bonded to the first flexible circuit board 120 for electrical connection, and the second pins 1102 are left vacant and in a floating state.
With reference to fig. 1 and fig. 2, the third flexible circuit board 140 is bonded to at least two first flexible circuit boards 120 at the same time, and a plurality of second traces (not shown) and a plurality of bonding pins are disposed on the third flexible circuit board 140, wherein the at least two bonding pins on the third flexible circuit board 140 are electrically connected to the same second trace. For example, the bonding pin transmitting the same signal is electrically connected with the same second trace.
Specifically, the first flexible circuit board 120 is bound to the third flexible circuit board 140, so that the first driving device 121 receives an external signal through a trace on the third flexible circuit board 140, and then drives the display module to implement a display function.
In a plurality of bonding pins of the third flexible circuit board 140 for bonding at least two first flexible circuit boards 120, at least two bonding pins are disposed to be electrically connected with the same second trace, so that the number of pins bonded by the other side of the third flexible circuit board 140 and other elements can be reduced, and the difficulty of subsequent assembly is reduced.
In order to further ensure that the outlines of the at least two first flexible circuit boards 120 are consistent, the number of bonding pins used for bonding the third flexible circuit board 140 of the at least two first flexible circuit boards 120 is the same, and the arrangement manner is also the same. That is, the structure of at least two first flexible circuit boards 120 for bonding the bonding region of the third flexible circuit board 140 is identical.
In this embodiment, considering that the number of bonding pins of the first flexible circuit board 120 for bonding the third flexible circuit board 140 is large, the third flexible circuit board 140 is bonded to at least two first flexible circuit boards 120 through anisotropic adhesive films. Of course, in other embodiments, the third flexible circuit board 140 may be bonded to at least two first flexible circuit boards 120 through connectors.
In this embodiment, the second flexible circuit board 130 is also connected to the third flexible circuit board 140, so that the second driving device 131 receives an external signal through the traces on the third flexible circuit board 140, and further drives the touch module to implement a touch function.
In consideration of the fact that the number of pins for connecting the second flexible circuit board 130 to the third flexible circuit board 140 is small, the second flexible circuit board 130 is connected to the third flexible circuit board 140 through a connector. Of course, in other embodiments, the third flexible circuit board 140 may also be connected to the second flexible circuit board 130 through an anisotropic conductive film.
In other embodiments, the display device 100 may not include the third flexible circuit board 140.
It should be noted that, the above-mentioned embodiments have been described in the case that the second flexible circuit board 130 is disposed between two adjacent first flexible circuit boards 120, but the present application is not limited thereto, and in other embodiments, for example, when the number of the first flexible circuit boards 120 is two, the second flexible circuit board 130 is located on a side of one of the first flexible circuit boards 120 facing away from the other first flexible circuit board 120, and the second flexible circuit board 130 is bonded to the adjacent first flexible circuit board 120.
In an application scenario, the display apparatus 100 of the present embodiment is used for middle-sized electronic devices such as a tablet PC, a Personal Computer (PC), a NoteBook PC (NB), etc., which have higher resolution and require a larger number of first driving devices 121 than small-sized electronic devices such as a mobile phone.
However, the present application is not limited thereto, and in other embodiments, the display device 100 may also be used in a small-sized electronic device such as a mobile phone or a smart watch, or a large-sized electronic device such as a television.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of an electronic device 200 according to the present application, which includes a display device 210.
The display device 210 has the same structure as the display device 100 in any of the above embodiments, and reference may be made to the above embodiments for details, which are not repeated herein.
The electronic device 200 may be a middle-sized electronic device such as a tablet Computer, a Personal Computer (PC), a NoteBook Computer (NB, noteBook), etc., which has a higher resolution and requires a larger number of first driving devices (not shown in fig. 4) compared to a small-sized electronic device such as a mobile phone.
Of course, the electronic device 200 may also be a small-sized electronic device such as a mobile phone or a smart watch, or a large-sized electronic device such as a television.
In summary, the present application is not particularly limited with respect to the type of the electronic device 200.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (10)
1. A display device, characterized in that the display device comprises:
the display panel comprises a display module and a touch module;
each first flexible circuit board is provided with a first driving device for driving the display module to realize a display function, and each first flexible circuit board is bonded on the display panel so that the first driving device is electrically connected with the display module;
the second flexible circuit board is provided with a second driving device for driving the touch module to realize a touch function, and the second flexible circuit board is connected with at least one first flexible circuit board, so that the second driving device is electrically connected with the touch module through a first wire on the first flexible circuit board.
2. The display device according to claim 1, wherein at least two of the first flexible circuit boards are disposed at intervals on the same side of the display panel;
preferably, the display panel includes a first side and a second side which are adjacent to each other, the length of the first side is smaller than that of the second side, and at least two first flexible circuit boards are connected to the same first side;
preferably, the number of the first flexible circuit boards is two.
3. The display device according to claim 2, wherein the second flexible circuit board is provided between two adjacent first flexible circuit boards and is connected to at least one of the two adjacent first flexible circuit boards;
preferably, the second flexible circuit board is mutually connected with two adjacent first flexible circuit boards;
preferably, the number of bonding pins used for connecting the second flexible circuit board to two adjacent first flexible circuit boards is the same.
4. The display device according to claim 1, wherein the first flexible circuit board connected to the second flexible circuit board is provided with a first device region in which the first driving device is provided, and wherein the first wiring is provided at a periphery of the first device region;
preferably, the second flexible circuit board is provided with a second device region in which the second driving device is disposed.
5. The display device according to claim 1, wherein the display device further comprises:
the third flexible circuit board is bonded with at least two first flexible circuit boards at the same time, a plurality of second wiring lines and a plurality of bonding pins are arranged on the third flexible circuit board, and at least two bonding pins on the third flexible circuit board are electrically connected with the same second wiring line;
preferably, the number of bonding pins used for bonding the third flexible circuit board is the same for at least two first flexible circuit boards;
preferably, the third flexible circuit board is bonded to at least two of the first flexible circuit boards through anisotropic adhesive films.
6. The display device according to claim 5, wherein the third flexible circuit board is connected to the second flexible circuit board;
preferably, the third flexible circuit board is connected to the second flexible circuit board by a connector.
7. The display device according to claim 1, wherein each bonding area where the display panel and at least two of the first flexible circuit boards are bonded is provided with a plurality of first pins and a plurality of second pins, the first pins are bonded to the corresponding first flexible circuit boards, and the second pins are vacant for inputting test signals for testing the display panel.
8. The display device according to claim 1, wherein the number of bonding pins of at least two first flexible circuit boards for bonding the display panel is the same;
preferably, the first driving devices are arranged on at least two of the first flexible circuit boards in the same number, and the first driving devices are arranged on at least two of the first flexible circuit boards in the same position.
9. The display device according to claim 1, wherein at least two of the first flexible circuit boards are identical in shape.
10. An electronic apparatus characterized by comprising the display device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210776175.6A CN115268690A (en) | 2022-06-29 | 2022-06-29 | Display device and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210776175.6A CN115268690A (en) | 2022-06-29 | 2022-06-29 | Display device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115268690A true CN115268690A (en) | 2022-11-01 |
Family
ID=83763378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210776175.6A Pending CN115268690A (en) | 2022-06-29 | 2022-06-29 | Display device and electronic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115268690A (en) |
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2022
- 2022-06-29 CN CN202210776175.6A patent/CN115268690A/en active Pending
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