CN111258449A - Touch control assembly, display module and electronic equipment - Google Patents
Touch control assembly, display module and electronic equipment Download PDFInfo
- Publication number
- CN111258449A CN111258449A CN202010014314.2A CN202010014314A CN111258449A CN 111258449 A CN111258449 A CN 111258449A CN 202010014314 A CN202010014314 A CN 202010014314A CN 111258449 A CN111258449 A CN 111258449A
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- touch
- area
- film
- region
- touch control
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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
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a touch control assembly, a display module and an electronic device, wherein the touch control assembly comprises: a touch film; the touch control device comprises an insulating protective film and a touch control film, wherein the insulating protective film is arranged on the touch control film and is provided with a first area used for being connected with a display screen and a second area arranged outside the first area; the second area is provided with a hollow structure, and the hollow structure penetrates from the surface, away from the touch control film, of the insulation protection film to the surface, used for being connected with the touch control film, of the insulation protection film; the dyne value of the surface, connected with the insulating protective film, of the touch control film is larger than the dyne value of the surface, far away from the touch control film, of the insulating protective film. In the invention, when the double-sided adhesive tape is adhered to the second area, the double-sided adhesive tape can be adhered to the touch control film from the hollow structure, so that the adhesion strength of the double-sided adhesive tape on the second area is improved, and the double-sided adhesive tape is adhered to the touch control assembly more firmly.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a touch control assembly, a display module and electronic equipment.
Background
At present, electronic equipment generally comprises a frame and a display module mounted on the frame, wherein the display module and the frame are adhered together by a double-sided adhesive tape.
The display module generally includes a display device, a touch device disposed on the display device, and a cover glass disposed on a surface of the touch device away from the display device. The conventional touch device includes a touch film, which is usually a DITO touch film, and both sides of the touch film are provided with circuits. In order to avoid short circuit, the touch control assembly further comprises an insulating protective film, and the insulating protective film is arranged on the surface, used for being connected with the display assembly, of the touch control film. Meanwhile, the surface of the touch film, which is far away from the display component, is connected with the cover plate glass.
In practical products, the touch assembly has a portion of the display assembly protruding after the display module is assembled, and in electronic devices, the double-sided tape is usually disposed on the portion of the touch assembly protruding from the display assembly and is bonded to a surface of the touch assembly for connecting with the display assembly, that is, the double-sided tape is bonded to the insulating protective film. Due to the material relationship of the insulating protective film, the dyne value of the surface of the insulating protective film is usually less than 32 dyne/cm, so that the bonding strength between the double-sided adhesive tape and the insulating protective film is weak, and the display module and the frame are connected insecurely.
Disclosure of Invention
Therefore, it is necessary to provide a touch module, a display module, and an electronic device, in order to solve the problem that the adhesion strength between the conventional double-sided adhesive tape and the insulating protective film of the touch module is weak.
A touch control assembly comprises a touch control film, a touch control module and a touch control module, wherein the touch control film is provided with a connecting surface; the insulating protective film is provided with a first surface and a second surface which are arranged oppositely, wherein the first surface is connected with the connecting surface; the insulation protection film is provided with a first area used for being connected with a display component and a second area arranged outside the first area; the second area is provided with a hollow structure, the hollow structure penetrates from the first surface to the second surface, and the dyne value of the connecting surface is larger than that of the second surface.
In the invention, the touch film can be exposed from the hollow structure, and the dyne value of the surface of the touch film, which is connected with the insulating protective film, is greater than the dyne value of the second surface of the insulating protective film, so that when the double-sided adhesive tape is adhered to the second area, the double-sided adhesive tape can be adhered to the touch film from the hollow structure, the adhesion strength of the double-sided adhesive tape on the second area is improved, and the double-sided adhesive tape is adhered to the touch assembly more firmly.
Further, the touch film includes: the substrate is provided with a bearing region and an edge region arranged outside the bearing region, wherein the projection of the bearing region on the insulating protective film is superposed with the first region, and the projection of the edge region on the insulating protective film is superposed with the second region; and the circuit layer is arranged in the bearing area and used for forming a touch control capacitor.
Furthermore, the hollow structure and the distance between the circuit layers is larger than or equal to 0.05mm, so that the insulation effect of the insulation protection film can be ensured.
Furthermore, the number of the hollow structures is more than or equal to two, and the hollow structures are arranged at intervals, so that the contact area between the double-sided adhesive tape and the substrate can be increased, and the connection strength between the double-sided adhesive tape and the touch control assembly is further improved.
Furthermore, the area of the second area where the hollow structures are arranged accounts for 50% -80% of the total area of the second area, so that the exposed area of the substrate can be larger, and the connection strength between the double-sided adhesive tape and the connecting part is better.
Furthermore, the number of the hollow structures is multiple, and the hollow structures are uniformly distributed in the second area, so that the distribution of the area where the double-sided adhesive tape is connected with the substrate is more uniform, and the bonding strength of the double-sided adhesive tape in the connecting area can be improved to a certain extent.
Furthermore, the second area is of an annular structure, so that the periphery of the touch control assembly can be bonded with the double-sided adhesive tape.
A display module, comprising: a touch component as described in any of the above; the display assembly is arranged on the surface, far away from the touch control film, of the insulating protection film and is positioned in a second area of the insulating protection film; and the protective cover plate is arranged on the surface of the touch film, which is far away from the display component.
An electronic device, comprising: a frame; the display module is arranged on the frame, and the display module is as described above; and the bonding layer is bonded between the second area and the frame, wherein the bonding layer is connected with the connecting surface.
Further, the bonding layer is a double-sided adhesive tape with release films on two sides removed; and/or the frame comprises a bottom plate and a side plate arranged on the bottom plate; the side plate is of an annular structure, a protruding structure is arranged on the inner wall of the side plate, and the display module is bonded on the protruding structure through the bonding layer.
Drawings
FIG. 1 is an assembled schematic view of an electronic device provided by the present invention;
FIG. 2 is a schematic partial cross-sectional view of an electronic device according to the present invention;
FIG. 3 is a schematic diagram of a protective cover plate and a display module of an electronic device according to the present invention;
fig. 4 is a schematic back view of a display module of an electronic device according to the present invention;
fig. 5 is a partial schematic view of a display module of an electronic device according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
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.
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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, in the present embodiment, the electronic device 100 includes a frame 10, a display module 20, a double-sided tape 30, and a protective cover 40. Wherein, display module assembly 20 sets up on frame 10, and double faced adhesive tape 30 sets up between frame 10 and display module assembly 20 for bond the two together, can get rid of the type membrane of releasing of double faced adhesive tape 30 one side earlier during the equipment, then bond double faced adhesive tape 30 on display module assembly 20, then get rid of the type membrane of releasing of double faced adhesive tape 30 opposite side again, and the surface and the frame that keep away from display module assembly 20 with double faced adhesive tape 30 bond 10. The protective cover 40 may be a transparent glass plate, a transparent resin plate, or the like, and is disposed on the surface of the display module 20 away from the frame 10, so as to protect the display module 20 and prevent foreign objects from scraping the display module 20.
As shown in fig. 1 and 2, in the present embodiment, the frame 10 includes a bottom plate 1, and side plates 2 provided on the bottom plate 1. Wherein, curb plate 2 is the loop configuration, and the inner wall of curb plate 2 is equipped with protruding structure 21, on the protruding structure 21 that the display module assembly set up. At this time, the display module abuts against the protrusion structure 21, and the double-sided tape 30 is disposed between the display module and the protrusion structure 21. In this embodiment, the hollow portion of the side plate 2 is a stepped hole, wherein the diameter of the stepped hole near the bottom plate 1 is smaller, and the protruding structure 21 is a stepped surface of the stepped hole.
As shown in fig. 1 and fig. 2, in the present embodiment, the display module 20 includes a display device 3 and a touch device 4 disposed on the display device 3, wherein the touch device 4 protrudes from the display device 3, that is, the projection of the touch device 4 on the display device 3 exceeds the display device 3. Specifically, in the present embodiment, the touch device 4 has a touch portion 41 and a connecting portion 42, wherein the portion of the touch device 4 located in the dashed-line frame N is the touch portion 41, and the portion of the touch device 4 located in the dashed-line frame M is the connecting portion 42. In the present embodiment, the display module 3 is disposed on the touch portion 41, the connecting portion 42 is located outside the touch portion 41, and the double-sided tape 30 is adhered between the connecting portion 42 and the protruding structure 21.
As shown in fig. 2, in the present embodiment, the touch device 4 includes a touch film 43 and an insulating protective film 44 disposed on the touch film 43, and after the display module 20 is assembled, the surface of the insulating protective film 44 away from the touch film 43 is connected to the display device 3. For convenience of description, in the present embodiment, a surface of the insulating protection film 44 contacting the touch control film 43 is defined as a first surface 441, a surface of the insulating protection film 44 contacting the display device 3 is defined as a second surface 442, and a surface of the touch control film 43 contacting the insulating protection film 44 is defined as a connection surface.
As shown in fig. 2, in the present embodiment, the area of the insulating protection film 44 for contacting the display module 3 is the first area 443, and the insulating protection film 44 further includes the second area 444 located outside the first area 443. The first region 443 is actually the region of the insulating protective film 44 located in the touch portion 41, and the second region 444 is the region of the insulating protective film 44 located in the connection portion 42.
As shown in fig. 2, in the present embodiment, the second region 444 has a hollow structure 445, wherein the hollow structure 445 penetrates from the first surface 441 to the second surface 442, so that the surface of the touch film 43 contacting the insulating protection film 44 can be exposed from the hollow structure 445. In addition, in the present embodiment, the cross section of the hollow 445 may be circular, square, hexagonal, etc.
In the embodiment, the dyne value of the connection surface of the touch film 43 is greater than the dyne value of the second surface 442 of the insulating protection film 44, when the double-sided tape 30 is attached to the second area 444, the double-sided tape 30 can be attached to the touch film 43 from the hollow structure 445, which can improve the adhesion strength of the double-sided tape 30 in the second area 444. It is understood that in other embodiments, the above-mentioned double-sided adhesive 30 may be replaced by other adhesive layers, for example, the adhesive layer may be formed by curing glue.
As shown in fig. 2 and 3, in the present embodiment, the touch film 43 includes a substrate 431 and a wiring layer 432 disposed on the substrate 431. The substrate 431 may be a transparent plastic plate, a transparent glass plate, or the like, and the substrate 431 has a carrier region 433 and an edge region 434, wherein a projection of the carrier region 433 on the insulating protection film 44 coincides with the first region 443, and a projection of the edge region 434 on the insulating protection film 44 coincides with the second region 444. The circuit layer 432 is disposed in the carrier region 433 and is used for forming a touch capacitor so as to detect touch information of a user.
As shown in fig. 2, in the present embodiment, the carrier region 433 of the substrate 431, the circuit layer 432 and the first region 443 of the insulating protection film 44 constitute the touch portion 41 of the touch device 4, and the edge region 434 of the substrate 431 and the second region 444 of the insulating protection film constitute the connection portion 42 of the touch device 4. In addition, in the present embodiment, the fact that the touch film 43 is exposed from the hollow structures 445 means that the substrate 431 of the touch film 43 is exposed from the hollow structures 445, and the substrate 431 exposed from the hollow structures 445 is adhered to the double-sided tape 30 during assembly.
As shown in fig. 4, in the present embodiment, the number of the hollow structures 445 is greater than or equal to two, and the hollow structures 445 are disposed at intervals. This can increase the contact area between the double-sided tape 30 and the substrate 431, and further improve the connection strength between the double-sided tape 30 and the touch assembly 4. When the number of the hollow structures 445 is multiple, the hollow structures 445 may be uniformly arranged in the second region 444, for example, in an array arrangement, so that the distribution of the region where the double-sided tape 30 is connected to the substrate 431 is more uniform, and the bonding strength of the double-sided tape 30 in the connection region may be improved to a certain extent. Of course, in some embodiments, the hollow structures 445 may be unevenly distributed in the second region 444.
In this embodiment, the area of the second region 444 where the hollow structures 445 are disposed accounts for 50% -80% of the total area of the second region 444, that is, the aperture ratio of the second region 444 is 50% -80%, so that the exposed area of the substrate 431 can be larger, and the connection strength between the double-sided tape 30 and the connection portion 42 is better.
As shown in fig. 5, in this embodiment, the distance H between the hollow structure 445 and the circuit layer 432 is greater than or equal to 0.05mm, so as to ensure the insulation effect of the insulation protection film 44. When the number of the hollow structures 445 is greater than or equal to two, the distance between the hollow structure 445 closest to the circuit layer 432 in each hollow structure 445 and the circuit layer 432 is greater than or equal to 0.05 mm.
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 express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A touch assembly, comprising:
a touch film having a connection surface;
the insulating protective film is provided with a first surface and a second surface which are arranged oppositely, wherein the first surface is connected with the connecting surface; the insulation protection film is provided with a first area used for being connected with a display component and a second area arranged outside the first area; the second area is provided with a hollow structure, and the hollow structure penetrates from the first surface to the second surface;
the dyne value of the connecting surface is larger than that of the second surface.
2. The touch-sensitive assembly of claim 1, wherein the touch-sensitive film comprises:
the substrate is provided with a bearing region and an edge region arranged outside the bearing region, wherein the projection of the bearing region on the insulating protective film is superposed with the first region, and the projection of the edge region on the insulating protective film is superposed with the second region;
and the circuit layer is arranged in the bearing area and used for forming a touch control capacitor.
3. The touch assembly of claim 2, wherein a distance between the hollow structure and the circuit layer is greater than or equal to 0.05 mm.
4. The touch assembly of claim 1, wherein the number of the hollow structures is greater than or equal to two, and the hollow structures are arranged at intervals.
5. The touch assembly of claim 4, wherein the area of the second region where the hollow structures are disposed accounts for 50% -80% of the total area of the second region.
6. The touch assembly of claim 4, wherein the number of the hollow structures is multiple, and the hollow structures are uniformly arranged in the second area.
7. The touch-sensitive assembly of claim 1, wherein the second region is a ring-shaped structure.
8. A display module, comprising:
a touch-sensitive component, the touch-sensitive component being as claimed in any one of claims 1 to 7;
the display assembly is arranged on the surface, far away from the touch control film, of the insulating protection film and is positioned in a second area of the insulating protection film;
and the protective cover plate is arranged on the surface of the touch film, which is far away from the display component.
9. An electronic device, comprising:
a frame;
a display module disposed on the frame, the display module as recited in claim 8;
and the bonding layer is bonded between the second area and the frame, wherein the bonding layer is connected with the connecting surface.
10. The electronic device according to claim 9, wherein the adhesive layer is a double-sided tape from which release films on both sides are removed; and/or
The frame comprises a bottom plate and a side plate arranged on the bottom plate; the side plate is of an annular structure, a protruding structure is arranged on the inner wall of the side plate, and the display module is bonded on the protruding structure through the bonding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014314.2A CN111258449B (en) | 2020-01-07 | 2020-01-07 | Touch control assembly, display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014314.2A CN111258449B (en) | 2020-01-07 | 2020-01-07 | Touch control assembly, display module and electronic equipment |
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| Publication Number | Publication Date |
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| CN111258449A true CN111258449A (en) | 2020-06-09 |
| CN111258449B CN111258449B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010014314.2A Active CN111258449B (en) | 2020-01-07 | 2020-01-07 | Touch control assembly, display module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111984149A (en) * | 2020-08-13 | 2020-11-24 | 业成光电(无锡)有限公司 | Touch control assembly, display module and electronic equipment |
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| US20190148667A1 (en) * | 2017-11-10 | 2019-05-16 | Lg Display Co., Ltd. | Foldable display device and method of manufacturing the same |
| CN109986859A (en) * | 2019-04-29 | 2019-07-09 | 东莞捷邦实业有限公司 | A kind of screen assembly for 3D printer touch screen |
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| CN1834882A (en) * | 2005-03-15 | 2006-09-20 | 松下电器产业株式会社 | Touch panel |
| US20150015812A1 (en) * | 2011-11-07 | 2015-01-15 | Oji Holdings Corporation | Display device with capacitive touch panel, capacitive touch panel |
| CN104995494A (en) * | 2013-01-10 | 2015-10-21 | 日本写真印刷株式会社 | Adhesion layer-equipped film-shaped pressure-sensitive sensor, and touch pad, protection panel with touch input, and electronic device which uses same |
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| US20190148667A1 (en) * | 2017-11-10 | 2019-05-16 | Lg Display Co., Ltd. | Foldable display device and method of manufacturing the same |
| CN208673297U (en) * | 2018-08-29 | 2019-03-29 | 江西合力泰科技有限公司 | With the display screen for shielding lower fingerprint identification function |
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| CN111984149A (en) * | 2020-08-13 | 2020-11-24 | 业成光电(无锡)有限公司 | Touch control assembly, display module and electronic equipment |
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| CN111258449B (en) | 2022-05-10 |
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