CN111190504A - Display device - Google Patents
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- CN111190504A CN111190504A CN201911424528.0A CN201911424528A CN111190504A CN 111190504 A CN111190504 A CN 111190504A CN 201911424528 A CN201911424528 A CN 201911424528A CN 111190504 A CN111190504 A CN 111190504A
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Images
Classifications
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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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- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
Abstract
The invention discloses a display device which comprises a pressure-sensitive touch module, a support film and a display panel which are sequentially stacked; the pressure-sensitive touch module comprises a substrate, a first electrode, a second electrode and a conductive connecting piece arranged between the first electrode and the second electrode; the supporting film comprises a base material and at least one force sensing element arranged on the base material, the force sensing element is at least partially overlapped with the conductive connecting piece in the direction perpendicular to the surface of the base plate, and when the supporting film is stressed, the deformation amount of the force sensing element is smaller than that of the base material. Because the deformation amount of the force sensing element is smaller than that of the base material, when pressure-sensitive touch is carried out, force can be transmitted to the conductive connecting piece more uniformly, and therefore touch sensitivity is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device for enhancing the touch sensitivity of a virtual key under a screen.
Background
In the current display panel product, a bending structure is formed at the edge of the panel, and the design of a 3D, 2.5D stereoscopic cover plate or a waterfall screen is carried out outside the panel, so that the effect of narrow-frame and full-screen display of the display panel is realized.
Aiming at the design of the existing 3D and 2.5D stereoscopic cover plate or waterfall screen, in order to better realize the effect of full-screen display, a side virtual key is generally adopted to replace the traditional physical key, however, the virtual key may have the problems of small touch range and low touch sensitivity, which results in poor experience of users in actual operation.
Disclosure of Invention
In view of this, the present invention provides a display device, which can enhance the touch sensitivity of the virtual keys under the screen.
The present invention provides a display device including:
the pressure-sensitive touch module, the support film and the display panel are sequentially stacked;
the pressure-sensitive touch module comprises a substrate and at least one pressure-sensitive touch component, wherein the at least one pressure-sensitive touch component is positioned on the substrate and comprises a first electrode, a second electrode and a conductive connecting piece arranged between the first electrode and the second electrode;
the support film comprises a base material and at least one force sensing element arranged on the base material, and the force sensing element and the conductive connecting piece at least partially overlap in a direction perpendicular to the surface of the base plate; wherein the content of the first and second substances,
when the display panel is pressed, the pressure received by the force sensing element is larger than a first pressure value, the conductive connecting piece is in contact with the first electrode and the second electrode and conducts the first electrode and the second electrode, and when the supporting film is stressed, the deformation quantity of the force sensing element is smaller than that of the base material.
Compared with the prior art, the invention has at least one of the following outstanding advantages: when the pressure received by the force sensing element is smaller than a first pressure value, the conductive connecting piece is disconnected with the first electrode and/or the second electrode, the first electrode is not conducted with the second electrode, when the pressure received by the force sensing element is larger than or equal to the first pressure value, the conductive connecting piece is deformed by the acting force of the force sensing element so as to be respectively conducted with the first electrode and the second electrode, and because the deformation quantity of the force sensing element is smaller than that of the base material, when pressure sensing touch control is carried out, force can be more uniformly transmitted to the conductive connecting piece, meanwhile, the force sensing element limits the diffusion of the conductive connecting piece in the first direction, so that the conductive connecting piece has a better deformation effect in the second direction, and further the conduction between the first electrode and the second electrode is more stable, thereby improving the sensitivity of touch control. The first direction is a force-receiving direction of the force sensing element, and the second direction is an extending direction of the first electrode and the second electrode on the substrate.
Further, the display device of the present invention may further include: the surface of one side, facing the pressure-sensitive touch module, of the substrate of the support film is provided with a groove, the force sensing element is arranged in the groove, and the force sensing element can be manufactured independently due to the arrangement of the groove, so that the effect that the deformation quantity of the force sensing element is smaller than that of the substrate is achieved conveniently.
Furthermore, the elastic modulus of the force sensing element is greater than that of the support film, wherein the force sensing element and the base material of the support film are made of different materials, so that the elastic modulus of the force sensing element is separately improved, the support film in the area above the conductive connecting piece has higher hardness than that of other areas, and pressure can be accurately transmitted to the conductive connecting piece.
Further, the surface of one side of the conductive connecting piece of the force sensing element and the surface of one side of the conductive connecting piece of the support film are positioned in the same plane.
The force sensing element can also be made of different materials from the base material of the supporting film, and the thickness of the force sensing element in the stress direction is larger than that of the base material in the stress direction.
Furthermore, the surface of one side of the base material of the support film, which is positioned on the conductive connecting piece, is also coated with an adhesive layer, the surface of one side of the force sensing element, which is positioned on the conductive connecting piece, and the surface of one side of the adhesive layer, which is positioned on the conductive connecting piece, are positioned in the same plane, and the adhesive layer can enable the surface of one side of the whole support film, which is positioned on the conductive connecting piece, to be flat.
Further, the force sensing element may be integrally provided with the support film base material.
The force sensing element of the present invention may comprise hard filler particles, at least one of which is arranged within the force sensing element.
Further, the force sensing element may also be a hard filler particle itself, and at least one hard filler particle is disposed in the base material corresponding to the position of the conductive connecting member.
Furthermore, the number of the force sensing elements and the number of the conductive connecting pieces are equal, and the orthographic projection of the force sensing elements on the pressure-sensitive touch module completely covers the conductive connecting pieces, so that the loss of pressure on the force sensing elements is smaller, the pressure is more easily transmitted to the conductive connecting pieces, and the touch sensitivity is increased.
Furthermore, the orthographic projection of the force sensing element on the pressure-sensitive touch module is positioned between the first electrode and the second electrode.
Furthermore, the surface of one side, close to the support film, of the substrate of the pressure-sensitive touch module is provided with a protrusion corresponding to the position of the conductive connecting piece, the protrusion can reduce the distance between the substrate of the pressure-sensitive touch module and the support film, and further the thickness of the original conductive connecting piece is changed, so that the conductive connecting piece is easier to deform.
Further, a rigid anisotropic material layer is configured on the substrate, and the first electrode, the second electrode and the conductive connecting member are all disposed on the rigid anisotropic material layer.
Further, the rigidity of the rigid anisotropic material layer in the force-bearing direction is larger than the rigidity of the rigid anisotropic material layer perpendicular to the force-bearing direction.
It should be noted that the embodiments of the inventive concept of the present application are not limited to the above-described aspects, which are described in more detail below with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a prior art display device in a pressure sensitive area;
FIG. 2 is a partial cross-sectional view of a prior art display device in a pressure sensitive area when subjected to an external force F;
FIG. 3 is a schematic partial cross-sectional view of a display device in a pressure sensitive area according to an embodiment of the present invention;
FIG. 4 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 5 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 6 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 7 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 8 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 9 is a schematic partial cross-sectional view of a display device in another embodiment of the invention in the area of pressure sensitivity;
FIG. 10 is a partial cross-sectional view of a display device in another embodiment of the invention in a pressure sensitive area.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is further described with reference to the accompanying drawings and examples.
It should be understood that the described embodiments are only some embodiments of the invention, and not all 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1-2, fig. 1 is a schematic partial cross-sectional view of a display device in a pressure-sensitive area in the prior art, which includes a pressure-sensitive touch module 300, a support film 200, and a display panel 100 sequentially stacked along a first direction;
the pressure-sensitive touch module 300 includes a substrate 310 and at least one pressure-sensitive touch device 320, the at least one pressure-sensitive touch device 320 is located on the substrate 310, and the pressure-sensitive touch device 320 includes a first electrode 321, a second electrode 322, and a conductive connecting member 323 disposed between the first electrode 321 and the second electrode 322.
The first electrode 321, the second electrode 322, and the conductive connection member 323 may generally extend in the second direction and are spaced apart from each other, when a pressure received on the conductive connection member 323 is less than a first pressure value, the conductive connection member 323 is disconnected from the first electrode 321 and/or the second electrode 322, the first electrode 321 is not in conduction with the second electrode 322, and the first electrode 321 and the second electrode 322 may include a conductive material having a predetermined resistance, and the conductive material may be a metal material such as aluminum, nickel, zinc, copper, silver, and gold. The conductive connection member 323 may include a conductive material having a certain elasticity that can be deformed by pressure, for example, a composition including a polymer matrix and conductive particles dispersed in the polymer matrix.
Fig. 2 is a schematic partial cross-sectional view of the display device shown in fig. 1 when the external acting force F is greater than a first pressure value, at this time, the pressure received by the conductive connection member 323 is greater than the first pressure value, the conductive connection member 323 deforms under the action of the external acting force F, the thickness of the conductive connection member 323 in the first direction gradually decreases, the width of the conductive connection member 323 in the second direction gradually increases, and when the width of the conductive connection member 323 in the second direction increases to be greater than or equal to the width of the gap between the first electrode 321 and the second electrode 322, the first electrode 321 and the second electrode 322 can be conducted through the conductive connection member 323, so that the pressure-sensitive touch module 300 can obtain the pressure-sensitive operation information about the user.
However, in actual operation, the external force F is not completely transmitted to the conductive connection member 323, so that the conductive connection member 323 is not sufficiently deformed in the second direction and cannot be in contact with the surface of the first electrode 321 and/or the second electrode 322, thereby causing a decrease in the pressure sensitivity.
In view of the problem that the deformation of the conductive connecting member 323 in the second direction is insufficient, resulting in a reduction in the pressure sensitivity, the present invention provides a display device, and the following detailed description will be made on the display device provided by the present invention.
Referring to fig. 3, fig. 3 is a schematic partial cross-sectional view of a display device in a pressure-sensitive area according to an embodiment of the invention, the display device includes a pressure-sensitive touch module 300, a support film 200 and a display panel 100 sequentially stacked along a first direction;
the pressure-sensitive touch module 300 includes a substrate 310 and at least one pressure-sensitive touch device 320, the at least one pressure-sensitive touch device 320 is located on the substrate 310, and the pressure-sensitive touch device 320 includes a first electrode 321, a second electrode 322, and a conductive connecting member 323 disposed between the first electrode 321 and the second electrode 322.
The support film 200 comprises a base material 210 and at least one force sensing element 220 arranged on the base material 210, wherein the force sensing element 220 is at least partially overlapped with the conductive connecting piece 323 in the direction perpendicular to the surface of the substrate; when the display panel 100 is pressed and the pressure received by the force sensing element 220 is greater than a first pressure value, the conductive connecting member 323 contacts and conducts the first electrode 321 and the second electrode 322, and when the supporting film 200 is stressed, the elastic modulus of the force sensing element 220 is greater than that of the substrate 210.
By arranging the force sensing element 220, when pressure-sensitive touch is performed, force can be better transmitted to the conductive connecting member 323, since the larger the value of the elastic modulus is, the larger the rigidity of the material is, that is, the smaller the elastic deformation is generated under a certain stress, the deformation amount of the force sensing element 220 is smaller than that of the base material 210, the force transmitted to the conductive connecting member 323 through the force sensing element 220 is more concentrated, and meanwhile, the force sensing element 220 limits the diffusion of the conductive connecting member 323 in the first direction, so that the conductive connecting member 323 has a better deformation effect in the second direction, and further, the conduction between the first electrode 321 and the second electrode 322 is more stable, thereby improving the touch sensitivity. The first direction is a force receiving direction of the force sensing element 220, and the second direction is an extending direction of the first electrode 321 and the second electrode 322 on the substrate 310.
The surface of the substrate 210 of the support film 200 facing the pressure-sensitive touch module 300 is provided with a groove, the force sensing element 220 is disposed in the groove, and the groove enables the force sensing element 220 to be manufactured separately.
In another embodiment, the orthographic projection of the force sensing element 220 on the pressure-sensitive touch module 300 is located inside the conductive connecting member 323, so that the loss of pressure on the force sensing element 220 is smaller, and the external force F is more easily transmitted to the conductive connecting member 323, thereby increasing the touch sensitivity.
In order to ensure the force conduction effect of the force sensing element 220, the width of the force sensing element 220 in the second direction should not exceed the distance C between the first electrode 321 and the second electrode 322, when a pressure opposite to the first direction is applied to the force sensing element 220, the force sensing element 220 can generate a small deformation amount between the first electrode 321 and the second electrode 322, so that the force can be uniformly conducted to the whole surface of the conductive connection part 323, and at the same time, the force sensing element 220 can limit the deformation of the conductive connection part 323 in the first direction, which promotes better diffusion effect of the conductive connection part 323 in the second direction.
Referring to fig. 4, fig. 4 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. The display device may further include an adhesive layer 230, wherein the adhesive layer 230 is located on a side surface of the support film 200 close to the pressure-sensitive touch module 300, and is used for connecting the support film 200 and the pressure-sensitive touch module 300 and improving the overall reliability of the support film 200.
Referring to fig. 5, fig. 5 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. The force sensing element 220 and the substrate 210 may be made of the same material, and in order to realize that the deformation amount of the force sensing element 220 is smaller than that of the substrate 210, the thickness of the force sensing element 220 in the first direction should be larger than that of the substrate 210 in the first direction, and at this time, a side of the support film 200 facing the pressure-sensitive touch module 300 has a partially convex surface.
Meanwhile, in order to ensure the flatness of the whole support film 200, an adhesive layer 230 may be coated on one side surface of the substrate 210 of the support film 200 on the conductive connector 323, and a side surface of the force sensing element 220 on the conductive connector 323 and a side surface of the adhesive layer 230 on the conductive connector 323 are in the same plane. The support film 200 may be made of polyimide film (polyimide film), polyethylene terephthalate (PET), polyvinyl chloride (PVC), and the like, and the adhesive layer 230 may be made of pressure sensitive adhesive or OCA optical adhesive, so that the adhesive layer 230 has a smaller hardness than the force sensing element 220, when a pressure is applied on the force sensing element 220 and the pressure is greater than a first pressure value (pressure threshold), the force sensing element 220 can generate a smaller deformation amount between the first electrode 321 and the second electrode 322, so as to uniformly transmit the force to the entire surface of the conductive connection element 323, and meanwhile, the force sensing element 220 limits the deformation of the conductive connection element 323 in the first direction, so as to promote a better diffusion effect of the conductive connection element 323 in the second direction.
In another embodiment, the force sensing element 220 and the base material 210 may also be made of different materials, and the thickness of the force sensing element 220 in the first direction should be larger than the thickness of the base material 210 in the first direction, on this basis, the force sensing element 220 may be made of a material having an elastic modulus larger than that of the base material 210, and the operation principle is the same as that of the foregoing embodiment, and will not be described herein.
Referring to fig. 6, fig. 6 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. The force sensing element 220 may be integrally prepared with the substrate 210 by etching away a region other than the force sensing element 220 after the support film 200 is formed to form the substrate 210 thinner in the first direction.
Referring to fig. 7, fig. 7 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. The force sensing element 220 may comprise a hard filler, at least one of which is arranged inside the force sensing element 220. When the pressure received by the hard filler is greater than or equal to a first pressure value, the conductive connecting piece 323 is deformed by the acting force of the hard filler so as to be respectively communicated with the first electrode and the second electrode, and because the deformation amount of the hard filler is smaller than that of the base material, when pressure-sensitive touch is performed, the force can be more uniformly transmitted to the conductive connecting piece 323, and meanwhile, the hard filler limits the diffusion of the conductive connecting piece 323 in the first direction, so that the conductive connecting piece 323 has a better deformation effect in the second direction, and further, the communication between the first electrode 321 and the second electrode 322 is more stable, and the touch sensitivity is improved.
The hard filler may be one or more of hard particles, hard filiform fillers or hard massive fillers, and may also be hard fillers in any other shapes, and the kind of the hard filler is not limited herein.
The hard filler may be located inside the force sensing element 220, or located in the adhesive layer 230 (not shown in the figure), and when the hard filler is located in the adhesive layer 230, an orthogonal projection of the hard filler on the pressure-sensitive touch module 300 completely falls into an orthogonal projection of the force sensing element 220 on the pressure-sensitive touch module 300.
Referring to fig. 8, fig. 8 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. The force sensing element 220 may also be a hard filler itself, and corresponding to the position of the conductive connecting member 323, at least one hard filler is configured in the base material 210, when the pressure received by the hard filler is greater than or equal to a first pressure value, the conductive connecting member 323 is deformed by the acting force of the hard filler to be respectively conducted with the first electrode and the second electrode, and because the deformation amount of the hard filler is smaller than that of the base material, when performing pressure-sensitive touch, the force can be more uniformly transmitted to the conductive connecting member 323, and at the same time, the hard filler limits the diffusion of the conductive connecting member 323 in the first direction, so that the conductive connecting member 323 has a better deformation effect in the second direction, and the conduction between the first electrode 321 and the second electrode 322 is more stable, thereby improving the sensitivity of touch control.
The hard filler may be one or more of hard particles, hard filiform fillers or hard massive fillers, and may also be hard fillers in any other shapes, and the kind of the hard filler is not limited herein.
The orthographic projection of the hard filler on the pressure-sensitive touch module 300 completely falls into the orthographic projection of the conductive connecting member 323 on the pressure-sensitive touch module 300.
Referring to fig. 9, fig. 9 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. A protrusion 311 corresponding to the conductive connecting member 323 is disposed on a surface of the substrate 310 of the pressure-sensitive touch module 300 close to the supporting film 200, and an orthogonal projection of the protrusion 311 on the supporting film 200 completely covers an orthogonal projection of the conductive connecting member 323 on the supporting film 200.
The protrusions 311 can reduce the distance between the substrate 310 and the support film 200 of the pressure-sensitive touch module 300, so as to change the thickness of the original conductive connecting member 323, and when a pressure opposite to the first direction is applied to the force-sensing element 220, the force-sensing element 220 and the protrusions 311 jointly constrain the conductive connecting member 323 in the first direction, so that the diffusion effect of the conductive connecting member 323 in the second direction is improved, and the touch sensitivity is further improved.
Referring to fig. 10, fig. 10 is a partial cross-sectional view of a display device in another embodiment of the present invention in a pressure sensitive area. An anisotropic material layer 330 is disposed on the substrate 310, and the first electrode 321, the second electrode 322 and the conductive connection 323 are disposed on the anisotropic material layer 330.
The anisotropic material layer 330 has a greater stiffness in the force-receiving direction than perpendicular to the force-receiving direction. By providing the anisotropic material layer 330, the conductive connection 323 can be facilitated to extend in the second direction.
The anisotropic material layer 330 may have an insulating property and have a predetermined elasticity. When the anisotropic material layer 330 has a predetermined elasticity, the conductive connecting member 323 can be driven to further extend in the second direction, so as to improve the touch sensitivity.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (13)
1. A display device is characterized by comprising
The pressure-sensitive touch module, the support film and the display panel are sequentially stacked;
the pressure-sensitive touch module comprises a substrate and at least one pressure-sensitive touch component, wherein the at least one pressure-sensitive touch component is positioned on the substrate and comprises a first electrode, a second electrode and a conductive connecting piece arranged between the first electrode and the second electrode;
the support film comprises a base material and at least one force sensing element arranged on the base material, and the force sensing element and the conductive connecting piece at least partially overlap in a direction perpendicular to the surface of the base plate; wherein the content of the first and second substances,
when the display panel is pressed, the pressure received by the force sensing element is larger than a first pressure value, the conductive connecting piece is in contact with the first electrode and the second electrode and conducts the first electrode and the second electrode, and when the supporting film is stressed, the deformation quantity of the force sensing element is smaller than that of the base material.
2. The display device according to claim 1, wherein a groove is disposed on a surface of the substrate facing the pressure-sensitive touch module, and the force sensor is disposed in the groove.
3. The display device according to claim 2, wherein an elastic modulus of the force sensing element is larger than an elastic modulus of the support film.
4. The display device according to claim 3, wherein a side surface of the force sensing element on the conductive connection member and a side surface of the support film on the conductive connection member are in the same plane.
5. The display device of claim 2, wherein the thickness of the force sensing element in the direction of the force is greater than the thickness of the substrate in the direction of the force.
6. The display device according to claim 5, wherein the substrate is further coated with an adhesive layer on a side surface of the conductive connecting member, and the surface of the force sensing element on the side surface of the conductive connecting member and the surface of the adhesive layer on the side surface of the conductive connecting member are in the same plane.
7. The display device according to claim 5 or 6, wherein the force sensing element is provided integrally with the substrate.
8. The display device of claim 1, wherein the force sensing element comprises hard filler particles, at least one of the hard filler particles being disposed within the support film corresponding to a location of the conductive connection.
9. The display device according to claim 1, wherein an orthographic projection of the force sensing element on the pressure-sensitive touch module completely covers the conductive connecting member.
10. The display device according to claim 9, wherein an orthographic projection of the force sensing element on the pressure-sensitive touch module is located between the first electrode and the second electrode.
11. The display device according to claim 1, wherein a protrusion corresponding to the conductive connecting member is disposed on a surface of a side of the substrate of the pressure-sensitive touch module, the surface being close to the supporting film.
12. The display device according to claim 1 or 11, wherein an anisotropic material layer is disposed on the substrate, and the first electrode, the second electrode, and the conductive connection member are disposed on the anisotropic material layer.
13. The display device of claim 12, wherein the anisotropic material layer has a greater stiffness in a force-receiving direction than perpendicular to the force-receiving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424528.0A CN111190504A (en) | 2019-12-31 | 2019-12-31 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424528.0A CN111190504A (en) | 2019-12-31 | 2019-12-31 | Display device |
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| CN112489559A (en) * | 2020-11-27 | 2021-03-12 | 合肥维信诺科技有限公司 | Supporting structure and display device |
| WO2023223012A1 (en) * | 2022-05-16 | 2023-11-23 | Cambridge Touch Technologies Ltd. | Input panels for piezoelectric force sensing and haptic feedback |
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| WO2023223012A1 (en) * | 2022-05-16 | 2023-11-23 | Cambridge Touch Technologies Ltd. | Input panels for piezoelectric force sensing and haptic feedback |
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Application publication date: 20200522 |