CN212541299U - Touch control display device - Google Patents
Touch control display device Download PDFInfo
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- CN212541299U CN212541299U CN202021440068.9U CN202021440068U CN212541299U CN 212541299 U CN212541299 U CN 212541299U CN 202021440068 U CN202021440068 U CN 202021440068U CN 212541299 U CN212541299 U CN 212541299U
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- touch
- cover plate
- electrode layer
- display device
- sensing electrode
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Abstract
A touch display device comprises a cover plate, a touch module, a frame body and a display module. The touch module is arranged on the cover plate and is defined with a sensing area and a peripheral area which are connected. The frame body is located on one side of the touch module, which is far away from the cover plate, and comprises a plurality of fixing pieces and a containing groove. The fixing piece passes through the peripheral area and is fixedly connected with the cover plate. At least one part of the touch module in the peripheral area is attached to one side of the frame body far away from the cover plate. The display module is arranged in the accommodating groove and positioned above the sensing area. Therefore, the structure of the large-size touch module and the display module can achieve sufficient bearing strength when assembled.
Description
Technical Field
The utility model relates to a touch-control display device.
Background
The design of the conventional Narrow-bezel (Narrow Border) touch display device is mainly to reduce the width of the bezel (BM area) of the touch panel as much as possible, and the specific method is to bend the portion of the touch panel extending out of the sensing area to the back of the display panel along the non-bonding area on the outer edge of the display panel after the touch panel and the display panel are fully bonded, and fix the touch panel with an adhesive.
In order to achieve the purpose of narrow frame of the touch display device, the cover plate and the display panel are usually fixed and assembled together only by means of Optical Clear Adhesive (OCA). However, when a large-sized touch display device (e.g., a touch panel with a size of more than 55 inches) is manufactured (Cover Lens), the Cover plate needs to have a certain thickness and weight to maintain a certain toughness in consideration of yield and convenience of assembly, and it is difficult to stably fix and assemble the touch display device on the display panel by only one layer of OCA.
Therefore, how to provide a touch display device capable of solving the above problems is one of the problems that the industry needs to invest in research and development resources to solve.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a touch display device capable of solving the above problems.
In order to achieve the above object, according to an embodiment of the present invention, a touch display device includes a cover plate, a touch module, a frame body and a display module. The touch module is arranged on the cover plate and is defined with a sensing area and a peripheral area which are connected. The frame body is located on one side of the touch module, which is far away from the cover plate, and comprises a plurality of fixing pieces and a containing groove. The fixing piece passes through the peripheral area and is fixedly connected with the cover plate. At least one part of the touch module in the peripheral area is attached to one side of the frame body far away from the cover plate. The display module is arranged in the accommodating groove and positioned above the sensing area.
In one or more embodiments of the present invention, the touch module has a plurality of through holes in the peripheral region. The fixing pieces are respectively penetrated through the through holes and fixedly connected with the cover plate.
In one or more embodiments of the present invention, the touch module includes a first flexible sensing electrode layer. The through hole penetrates through the first flexible sensing electrode layer.
In one or more embodiments of the present invention, the touch module further includes a first wiring layer. The first wiring layer is connected with the first flexible sensing electrode layer. At least one of the through holes penetrates the first wiring layer.
In one or more embodiments of the present invention, the at least one portion of the touch module in the peripheral region includes an outer edge portion of the first flexible sensing electrode layer.
In one or more embodiments of the present invention, the touch module further includes a second flexible sensing electrode layer. The first flexible sensing electrode layer and the second flexible sensing electrode layer are stacked on the cover plate. The through hole penetrates through the second flexible sensing electrode layer.
In one or more embodiments of the present invention, the touch module further includes a second wiring layer. The second wiring layer is connected with the second flexible sensing electrode layer. At least one of the through holes penetrates the second wiring layer.
In one or more embodiments of the present invention, the through holes are arranged along at least three edges of the sensing region.
In one or more embodiments of the present invention, the touch display device further includes a plurality of adhesive layers. The adhesive layers are respectively adhered between the fixing piece and the cover plate.
In one or more embodiments of the present invention, the touch module is a GF2 type touch module or a GFF type touch module.
To sum up, in the touch display device of the present invention, a plurality of fixing members are disposed in the frame for supporting the display module, and the fixing members are fixed to the cover plate by passing through the peripheral region outside the sensing region of the touch panel, so that the structure of the large-sized touch module assembled with the display module can have sufficient supporting strength.
The above description is only for the purpose of illustrating the problems to be solved, the technical means for solving the problems, the efficacy of the invention, and the like, and the details of the present invention will be described in detail in the following embodiments and the related drawings.
Drawings
In order to make the aforementioned and other objects, features, advantages and embodiments of the invention more comprehensible, the following description is given:
fig. 1A is a schematic cross-sectional view illustrating a touch display device according to an embodiment of the present invention;
fig. 1B is another schematic cross-sectional view of the touch display device in fig. 1A, in which the frame body and the display module are separated upward;
fig. 2 is a top view illustrating the cover plate and the touch module in fig. 1A.
[ notation ] to show
100 touch display device
110 cover plate
120 touch control module
121 the first flexible sensing electrode layer
122 first wiring layer
123 first flexible circuit board
124 the second flexible sensing electrode layer
125 second wiring layer
126 second flexible circuit board
130 frame body
131 a receiving groove
132 fixing member
140 display module
150 adhesive layer
160 protective layer
H, perforation
ISO1, ISO2 insulating layer
OCA1, OCA2, OCA3 optical grade transparent adhesive
Z1 sensing zone
Z2 peripheral zone
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings in a simple schematic manner.
Please refer to fig. 1A and fig. 1B. Fig. 1A is a schematic cross-sectional view illustrating a touch display device 100 according to an embodiment of the present invention. Fig. 1B is another cross-sectional view of the touch display device 100 in fig. 1A, in which the frame 130 and the display module 140 are separated upward. As shown in fig. 1A and 1B, in the present embodiment, the touch display device 100 includes a cover plate 110, a touch module 120, a frame 130 and a display module 140. The touch module 120 is disposed on the cover plate 110 and has a sensing area Z1 and a peripheral area Z2 connected thereto. The frame 130 is located on a side of the touch module 120 away from the cover plate 110, and includes a plurality of fixing members 132 and a receiving groove 131. The fixing member 132 passes through the peripheral region Z2 of the touch module 120 to be fixed to the cover plate 110. At least a portion of the touch module 120 in the peripheral region Z2 is attached to a side of the frame 130 away from the cover 110. The display module 140 is disposed in the receiving cavity 131 and above the sensing area Z1.
Fig. 2 is a top view of the cover plate 110 and the touch module 120 shown in fig. 1A. As shown in fig. 2, in the present embodiment, the touch module 120 has a plurality of through holes H in the peripheral area Z2. The fixing members 132 pass through the through holes H and are fixed to the cover plate 110. The touch display device 100 further includes a plurality of adhesive layers 150. The adhesive layers 150 are respectively disposed in the through holes H and respectively adhered between the fixing elements 132 and the cover plate 110. With this structure configuration, the structure of the large-sized touch module 120 and the display module 140 can achieve sufficient load-bearing strength when assembled.
In some embodiments, the adhesive layer 150 is a double-sided tape (e.g., a 3M VHB tape) or other equivalent adhesives, but the invention is not limited thereto.
In some embodiments, as shown in fig. 2, the perforations H are arranged along at least three edges of the sensing zone Z1, but the invention is not limited thereto. In practical applications, the through holes H may also be arranged along two opposite edges or four edges of the sensing region Z1.
The detailed structure of the touch module 120 is further described below. As shown in fig. 1A to fig. 2, in the present embodiment, the touch module 120 includes a first flexible sensing electrode layer 121, at least one first wiring layer 122, at least one first flexible circuit board 123, a second flexible sensing electrode layer 124, a second wiring layer 125, a second flexible circuit board 126, and two insulating layers ISO1 and ISO 2. The first flexible sensing electrode layer 121 is coated with an optical-grade transparent adhesive OCA1 and then attached to the surface of the cover plate 110, and overlaps with the sensing region Z1 and the peripheral region Z2 of the display module 140. The first wiring layer 122 is electrically connected to the first flexible sensing electrode layer 121 for conducting and transmitting the electrode signal of the first flexible sensing electrode layer 121, is close to one of two opposite edges of the first flexible sensing electrode layer 121, and extends to the peripheral region Z2 of the display module 140. The first flexible circuit board 123 is electrically connected to the first wiring layer 122, and extends away from the sensing region Z1 of the display module 140 to the peripheral region Z2. The first wiring layer 122 and the first flexible circuit board 123 are both extended and located on one side of the first flexible sensing electrode layer 121 close to the cover plate 110. In addition, an insulating layer ISO1 may be selectively disposed between the optical grade transparent adhesive OCA1 and the first wiring layer 122 for electrical insulation.
The second flexible sensing electrode layer 124 is stacked on the first flexible sensing electrode layer 121 and attached to the first flexible sensing electrode layer 121 through the optical transparent adhesive OCA 2. In detail, the optical-grade transparent adhesive OCA2 is disposed on a side of the first flexible sensing electrode layer 121 away from the cover plate 110. The insulating layer ISO2 is disposed on the optical-grade transparent adhesive OCA2, and is used to shield the surface of the first wiring layer 122 disposed on the first flexible sensing electrode layer 121 in the peripheral region Z2 and the partial sensing region Z1, so as to achieve the effect of circuit isolation. The second flexible sensing electrode layer 124 is disposed on a side of the insulating layer ISO2 away from the first flexible sensing electrode layer 121. The second wiring layer 125 (see fig. 2) is electrically connected to the second flexible sensing electrode layer 124 for conducting and transmitting the electrode signal of the second flexible sensing electrode layer 124, and is close to an edge of the second flexible sensing electrode layer 124 and extends to the peripheral region Z2 of the display module 140. The second flexible circuit board 126 is electrically connected to the second wiring layer 125 and extends to the peripheral region Z2 away from the sensing region Z1 of the display module 140. The second wiring layer 125 and the second flexible circuit board 126 are both extended and located on a side of the second flexible sensing electrode layer 124 close to the first flexible circuit board 123. In addition, the second flexible sensing electrode layer 124 is further adhered to the frame 130 or the display module 140 via the optical-grade transparent adhesive OCA 3.
In some embodiments, as shown in fig. 2, all of the through holes H penetrate through the first flexible sensing electrode layer 121 and the second flexible circuit board 126.
In some embodiments, as shown in fig. 2, the first wiring layer 122 and the second wiring layer 125 extend to the edge of the sensing area Z1 of the touch module 120, respectively. The first wiring layer 122 is penetrated through by at least one through hole H, and the second wiring layer 125 is penetrated through by at least two other through holes H, but the invention is not limited thereto.
In some embodiments, as shown in fig. 1A and fig. 2, the at least one portion of the touch module 120 attached to the frame 130 on the side away from the cover plate 110 in the peripheral region Z2 includes an outer edge portion of the first flexible sensing electrode layer 121, a portion of the at least one first flexible circuit board 123, an outer edge portion of the second flexible circuit board 126, and a portion of the second flexible circuit board 126.
As shown in fig. 1A, in the present embodiment, the touch display device 100 further includes a protection layer 160. The passivation layer 160 can be selectively and respectively attached to the side of the outer edge portion of the first flexible sensing electrode layer 121 or the second flexible sensing electrode layer 124 close to the cover plate 110, so as to protect the first flexible sensing electrode layer 121 or the second flexible sensing electrode layer 124 in a state that the outer edge portion is bent and attached to the side of the frame 130 away from the cover plate 110.
In some embodiments, at least one of the first wiring layer 122 and the second wiring layer 125 is a silver wiring layer, but the invention is not limited thereto.
In some embodiments, the touch module 120 is a GF2 type touch module or a GFF type touch module. Specifically, the GF2 type means that the first flexible sensing electrode layer 121 and the second flexible sensing electrode layer 124 are distributed on the same substrate. The GFF type refers to the first flexible sensing electrode layer 121 and the second flexible sensing electrode layer 124 respectively distributed on two substrates.
In some embodiments, the material of the cover plate 110 includes glass or flexible polymer material, but the invention is not limited thereto.
In some embodiments, at least one of the first flexible sensing electrode layer 121 and the second flexible sensing electrode layer 124 may be a nano silver wire electrode layer, a metal mesh, or an electrode layer including Indium Tin Oxide (ITO), but the invention is not limited thereto.
By the above, it can be seen that the touch display device of the present invention is capable of providing a plurality of fixing members in the frame for supporting the display module, and making the fixing members cross the peripheral region other than the sensing region of the touch panel and fixedly connected to the cover plate, so that the structure of the large-sized touch module assembled with the display module can have sufficient supporting strength.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A touch display device, comprising:
a cover plate;
the touch control module is arranged on the cover plate and is defined with a sensing area and a peripheral area which are connected;
the frame body is positioned on one side of the touch module, which is far away from the cover plate, and comprises a plurality of fixing pieces and a containing groove, the fixing pieces penetrate through the peripheral area and are fixedly connected with the cover plate, wherein at least one part of the touch module in the peripheral area is attached to one side of the frame body, which is far away from the cover plate; and
and the display module is arranged in the accommodating groove and is positioned above the induction area.
2. The touch display device of claim 1, wherein the touch module has a plurality of through holes in the peripheral region, and the plurality of fixing members respectively pass through the plurality of through holes to be fixedly connected to the cover plate.
3. The touch display device according to claim 2, wherein the touch module comprises a first flexible sensing electrode layer, and the plurality of through holes penetrate through the first flexible sensing electrode layer.
4. The touch display device of claim 3, wherein the touch module further comprises a first wiring layer connected to the first flexible sensing electrode layer, and at least one of the plurality of through holes penetrates through the first wiring layer.
5. The touch display device of claim 3, wherein the at least a portion of the touch module in the peripheral region includes an outer edge portion of the first flexible sensing electrode layer.
6. The touch display device of claim 3, wherein the touch module further comprises a second flexible sensing electrode layer, the first flexible sensing electrode layer and the second flexible sensing electrode layer are stacked on the cover plate, and the through holes penetrate through the second flexible sensing electrode layer.
7. The touch display device of claim 6, wherein the touch module further comprises a second wiring layer connected to the second flexible sensing electrode layer, and at least one of the plurality of through holes penetrates through the second wiring layer.
8. The touch display device of claim 2, wherein the plurality of through holes are arranged along at least three edges of the sensing area.
9. The touch display device of claim 1, further comprising a plurality of adhesive layers respectively adhered between the plurality of fixing members and the cover plate.
10. The touch display device of claim 1, wherein the touch module is a GF2 or GFF touch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440068.9U CN212541299U (en) | 2020-07-21 | 2020-07-21 | Touch control display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440068.9U CN212541299U (en) | 2020-07-21 | 2020-07-21 | Touch control display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212541299U true CN212541299U (en) | 2021-02-12 |
Family
ID=74517461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021440068.9U Active CN212541299U (en) | 2020-07-21 | 2020-07-21 | Touch control display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212541299U (en) |
-
2020
- 2020-07-21 CN CN202021440068.9U patent/CN212541299U/en active Active
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