CN112905057A - Display device and display terminal - Google Patents
Display device and display terminal Download PDFInfo
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- CN112905057A CN112905057A CN202110289903.6A CN202110289903A CN112905057A CN 112905057 A CN112905057 A CN 112905057A CN 202110289903 A CN202110289903 A CN 202110289903A CN 112905057 A CN112905057 A CN 112905057A
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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
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of display, and discloses a display device and a display terminal. The display device comprises a circuit board, a stacked touch layer and a display layer, wherein the circuit board comprises a main body part and a bending part, the main body part is stacked with the display layer and is positioned on one side of the display layer, which is far away from the touch layer, and the main body part comprises a first covering film, a first metal layer, a first substrate, a second covering film, a second metal layer and a second substrate which are stacked along the direction from the touch layer to the display layer; the bending part extends and bends from the main body part to be matched with the main body part to form an avoidance space, the bending part comprises a first connecting structure and a second connecting structure, the first connecting structure is electrically connected with the display layer, and the second connecting structure is electrically connected with the touch layer; the first connecting structure comprises a first substrate, a first metal layer and a first covering film; the second connecting structure comprises a second substrate, a second metal layer and a second covering film. The display device can reduce the occupied space of the circuit board in the display device.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display device and a display terminal.
Background
The conventional display device includes two circuit boards, one of which is connected to the touch layer as a touch circuit board, and the other of which is connected to the display layer as a display circuit board. And the touch control circuit board and the display circuit board need to be connected in a welding, inserting and connector buckling mode.
It is worth noting that the touch circuit board and the display circuit board occupy a larger space because the touch circuit board and the display circuit board are separately arranged.
Therefore, how to provide a display device with a small circuit board occupation space is an urgent problem to be solved.
Disclosure of Invention
The invention provides a display device and a display terminal, which are used for reducing the occupied space of a circuit board in the display device.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, the present application provides a display device comprising: the circuit board, the touch-control layer and the display layer of range upon range of setting, the circuit board includes the main part and from the kink that the main part extends, wherein:
the main body part is stacked with the display layer and is positioned on one side of the display layer, which is far away from the touch layer, and the main body part comprises a first cover film, a first metal layer, a first substrate, a second cover film, a second metal layer and a second substrate which are stacked along the direction from the touch layer to the display layer;
the bending part extends and bends from the main body part to be matched with the main body part to form an avoidance space, the bending part comprises a first connecting structure and a second connecting structure, the first connecting structure is electrically connected with the display layer, and the second connecting structure is electrically connected with the touch layer; the first connection structure includes the first substrate, the first metal layer, and the first cover film; the second connection structure includes the second substrate, a second metal layer, and the second cover film.
The application provides a display device. The display device comprises a circuit board, a touch layer and a display layer, wherein the touch layer and the display layer are arranged in a stacked mode, and the circuit board is divided into a main body part and a bending part according to the using state. When the touch screen display device is arranged, the main body part is arranged on one side, away from the touch layer, of the display layer, and the main body part comprises a first covering film, a first metal layer, a first substrate, a second covering film, a second metal layer and a second substrate which are stacked in the direction from the touch layer to the display layer. The bending part extends from the main body part, bends and is matched with the main body part to form an avoiding space. It should be understood that the avoidance space is used to avoid other structures within the display device. Specifically, one end of the bending part, which is far away from the main body part, is separated into a first connecting structure and a second connecting structure which are independent. The first connecting structure is electrically connected with the display layer, and the second connecting structure is electrically connected with the touch layer. Specifically, the first connection structure includes a first substrate, the first metal layer, and a first cover film; the second connecting structure comprises a second substrate, a second metal layer and a second covering film.
The application provides a display device adopts a circuit board, carries out the separation design with this circuit board for the kink includes first connection structure and second connection structure, can reduce the thickness of circuit board in the range upon range of orientation of touch-control layer and display layer, thereby can reduce the space and occupy. Meanwhile, the first connecting structure is electrically connected with the display layer and can realize the function of a display circuit board, and the second connecting structure is electrically connected with the touch layer and can realize the function of a touch circuit board.
Preferably, the first substrate is bonded to the second cover film, and the first connection structure and the second connection structure are disposed separately from the unbonded portions of the first substrate and the second cover film.
Preferably, the first connecting structure and the second connecting structure are arranged in parallel with the main body portion, and the first connecting structure is located between the second connecting structure and the main body portion.
Preferably, the first metal layer is provided with a first connection member exposing the first cover layer.
Preferably, the first connecting piece is a gold finger.
Preferably, the second metal layer is provided with a second connection member exposing the second cover layer.
Preferably, the second connecting piece is a gold finger.
Preferably, the first metal layer and the second metal layer are connected by a via.
Preferably, the electronic device further comprises a main board, and the main body part of the circuit board is electrically connected with the main board.
In a second aspect, the present application provides a display terminal including any one of the display devices provided in the above technical solutions.
Drawings
Fig. 1 is a schematic structural diagram of a display device provided in the prior art;
fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2;
FIG. 4 is a schematic diagram of a film structure of the circuit board of FIG. 3;
fig. 5 is a schematic cross-sectional view of the structure of fig. 1.
001-display device; 01-touch control circuit board; 02-display circuit board; 03-a connector; 100-a display device; 10-a circuit board; 20-a display layer; 30-a touch layer; 1-a first substrate; 2 a first metal layer; 3-a first cover film; 4-a second substrate; 5-a second metal layer; 6-a second cover film; 7-glue layer.
Detailed Description
In a conventional display device, as shown in fig. 1, a display device 001 includes a touch circuit board 01 and a display circuit board 02. It should be understood that, in order to illustrate the structures of the touch circuit board 01 and the display circuit board 02, the bent portions of the touch circuit board 01 and the display circuit board 02 are spread in fig. 1. This touch-control circuit board 01 is connected with the touch-control layer, and display circuit board 02 is connected with the display layer, and touch-control circuit board 01 needs to be connected through the mode of welding, grafting and connector 03 lock with display circuit board 02. Obviously, the touch control circuit board 01 and the display circuit board 02 occupy a large space.
Therefore, the application provides a display device to reduce the occupied space of the circuit board.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 2 and 3, the present application provides a display device 100. The display device 100 includes: the display device comprises a circuit board 10, a display layer 20 and a touch layer 30 which are arranged in a stacked mode. The circuit board 10 includes a main body a and a bending portion B extending from the main body. It should be understood that the main body portion a and the bent portion B are schematically separated by a broken line in fig. 3 for clearly illustrating the positions of the main body portion a and the bent portion B, but not limited thereto.
With reference to the structure shown in fig. 3, the main body portion a and the display layer 20 are stacked and located on a side of the display layer 20 away from the touch layer 30. Fig. 4 is a diagram illustrating a specific film structure of the circuit board 10 in fig. 3. As shown in fig. 4, the main body a includes a first cover film 1, a first metal layer 2, a first substrate 3, a second cover film 4, a second metal layer 5, and a second substrate 6 stacked in a direction from the touch layer 30 to the display layer 20 (direction d in fig. 4);
the bending part B extends and bends from the main body part a to form an avoiding space in cooperation with the main body part a, the bending part B comprises a first connecting structure B1 and a second connecting structure B2, the first connecting structure B1 is electrically connected with the display layer 20, and the second connecting structure B2 is electrically connected with the touch layer 30; the first connection structure B1 includes a first substrate 1, a first metal layer 2, and a first cover film 3; the second connection structure B2 includes a second substrate 4, a second metal layer 5, and a second cover film 6.
The present application provides a display device 100, which includes a circuit board 10, a display layer 20 and a touch layer 30 stacked together, wherein the circuit board 10 is divided into a main body portion a and a bending portion B according to a use state. When the touch display device is arranged, the main body portion a is arranged on the side of the display layer 20 away from the touch layer 30, and the main body portion a includes a first cover film 1, a first metal layer 2, a first substrate 3, a second cover film 4, a second metal layer 5 and a second substrate 6 which are stacked along the direction from the touch layer 30 to the display layer 20. The bending part B extends and bends from the main body part A and is matched with the main body part A to form an avoiding space. It should be understood that the avoidance space is used to avoid other structures within the display device 100. Specifically, one end of the bent portion B away from the main body portion a is divided into an independent first connecting structure B1 and a second connecting structure B2. The first connecting structure B1 is electrically connected to the display layer 20, and the second connecting structure B2 is electrically connected to the touch layer 30.
Specifically, the first connection structure B1 includes a first substrate 1, a first metal layer 2, and a first cover film 3; the second connection structure B2 includes a second substrate 4, a second metal layer 5, and a second cover film 6. For example, the material for preparing the first metal layer 2 and the second metal layer 5 may be copper.
It will be appreciated that the first cover film 3 serves to protect the first metal layer 2 and, as such, the second cover film 6 serves to protect the second metal layer 5.
It should be noted that, the display device 100 provided by the present application adopts a circuit board 10, and the circuit board 10 is separately designed, so that the bending portion B includes the first connecting structure B1 and the second connecting structure B2, which can reduce the thickness of the circuit board 10 in the stacking direction (direction d) of the touch layer 30 and the display layer 20, so as to reduce the space occupation. Meanwhile, the first connecting structure B1 is electrically connected to the display layer 20 to implement the function of a display circuit board, and the second connecting structure B2 is electrically connected to the touch layer 30 to implement the function of a touch circuit board.
In addition, in the display device 100 provided by the application, a related structure of a connector does not need to be arranged between the first connecting structure B1 and the second connecting structure B2, so that on one hand, the material cost can be saved, on the other hand, the preparation process is simplified, and the production efficiency can be improved.
On the basis of the above technical solution, the first substrate 3 and the second cover film 4 are bonded together. For example, referring to fig. 4, the first substrate 3 and the second cover film 4 are bonded by an adhesive layer 7. Meanwhile, the first connection structure B1 and the second connection structure B2 are disposed apart from the unbonded portion of the first substrate 3 and the second cover film 4. It should be noted that, during the preparation, the film layer portion forming the first connecting structure B1 and the film layer portion forming the second connecting structure B2 may be separately prepared, and then the first substrate 3 and the second cover film 4 are bonded and bound by the adhesive layer 7.
On the basis of the above technical solution, please continue to refer to fig. 3, the first connecting structure B1 and the second connecting structure B2 are disposed parallel to the main body portion a. Since the display layer 20 is located on the side of the touch layer 30 facing the main body a, in order to facilitate connection between the first connecting structure B1 and the display layer 20, and to facilitate connection between the second connecting structure B2 and the touch layer 30, the first connecting structure B1 is preferably located between the second connecting structure B2 and the main body a.
With reference to fig. 3, preferably, the first connecting structure B1 and the second connecting structure B2 are separated after the bending portion B is completely bent, that is, the adhesive layer 7 is not adhered to the first substrate 3 and the second cover film 4 at a position where the bending portion B is completely bent. Of course, the separation point of the first connecting structure B1 and the second connecting structure B2 can be located before or at the bending point B, and will not be described herein again.
Fig. 5 is a cross-sectional view of the display device 001 shown in the related art of fig. 1. As shown in fig. 5, the touch circuit board 01 and the display circuit board 02 are partially bent. The bending portion C of the touch circuit board 01 defines a bending protrusion degree. Because the bending angle of the bending part C is large, a large avoiding space needs to be arranged on the machine shell.
With reference to the structure shown in fig. 3, compared to the structure in the prior art, the first connecting structure B1 and the second connecting structure B2 are separated after the bending portion B is completely bent, so that the protruding degree of the bending portion B can be reduced, and the chassis of the display device 100 is provided with a smaller space. On the basis, the display device 100 provided by the embodiment of the application can be narrower and thinner, and the screen occupation ratio is higher.
With continued reference to the structure shown in fig. 2 and 4, the first metal layer 2 is provided with first connections E1 exposing the first cover layer 1. Illustratively, the first connecting member E1 is a gold finger.
With continued reference to the structure shown in fig. 2 and 4, the second metal layer 5 is provided with a second connection E2 exposing the second cover layer 4. Illustratively, the second connector E2 is a gold finger.
On the basis of the technical scheme, the first metal layer 2 and the second metal layer 5 are connected through a through hole in specific setting.
Certainly, the display device 100 provided in the embodiment of the present application further includes a motherboard, and the main body portion a of the circuit board 10 is electrically connected to the motherboard, so as to implement function control of the motherboard on the circuit board 10.
The application also provides a display terminal which comprises any one of the display devices provided by the technical scheme.
The display device 100 provided by the present application uses one circuit board 10, which can reduce the thickness of the circuit board 10 in the stacking direction (direction d) of the touch layer 30 and the display layer 20, so as to reduce the space occupation. In addition, in the display device 100, a related structure of a connector is not required to be arranged between the first connecting structure B1 and the second connecting structure B2, so that the material cost can be saved, the preparation process is simplified, and the production efficiency can be improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A display device, comprising: the circuit board, the touch-control layer and the display layer of range upon range of setting, the circuit board includes the main part and from the kink that the main part extends, wherein:
the main body part is stacked with the display layer and is positioned on one side of the display layer, which is far away from the touch layer, and the main body part comprises a first cover film, a first metal layer, a first substrate, a second cover film, a second metal layer and a second substrate which are stacked along the direction from the touch layer to the display layer;
the bending part extends and bends from the main body part to be matched with the main body part to form an avoidance space, the bending part comprises a first connecting structure and a second connecting structure, the first connecting structure is electrically connected with the display layer, and the second connecting structure is electrically connected with the touch layer; the first connection structure includes the first substrate, the first metal layer, and the first cover film; the second connection structure includes the second substrate, a second metal layer, and the second cover film.
2. The display device according to claim 1, wherein the first substrate is bonded to the second cover film, and wherein the first connection structure and the second connection structure are provided separately from unbonded portions of the first substrate and the second cover film.
3. The display device according to claim 1 or 2, wherein the first connection structure and the second connection structure are disposed in parallel with the main body portion, and the first connection structure is located between the second connection structure and the main body portion.
4. A display device as claimed in any one of claims 1 to 3, characterized in that the first metal layer is provided with first connections exposing the first cover layer.
5. The display device according to claim 4, wherein the first connector is a gold finger.
6. A display device as claimed in any one of claims 1 to 5, characterised in that the second metal layer is provided with a second connection exposing the second cover layer.
7. The display device according to claim 6, wherein the second connecting member is a gold finger.
8. The display device according to any one of claims 1 to 7, wherein the first metal layer and the second metal layer are connected by a via.
9. The display device according to any one of claims 1 to 8, further comprising a main board, wherein the main body portion of the circuit board is electrically connected to the main board.
10. A display terminal characterized by comprising a display device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289903.6A CN112905057B (en) | 2021-03-15 | 2021-03-15 | Display device and display terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289903.6A CN112905057B (en) | 2021-03-15 | 2021-03-15 | Display device and display terminal |
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| Publication Number | Publication Date |
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| CN112905057A true CN112905057A (en) | 2021-06-04 |
| CN112905057B CN112905057B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110289903.6A Active CN112905057B (en) | 2021-03-15 | 2021-03-15 | Display device and display terminal |
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