CN106775042B - Electronic equipment with pressure detection function - Google Patents
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- CN106775042B CN106775042B CN201510812806.5A CN201510812806A CN106775042B CN 106775042 B CN106775042 B CN 106775042B CN 201510812806 A CN201510812806 A CN 201510812806A CN 106775042 B CN106775042 B CN 106775042B
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Abstract
The invention discloses an electronic device, comprising: the display module and the mainboard are oppositely arranged; a gap with a set thickness is formed between the display module and the main board; the pressure detection assembly is arranged between the display module and the main board; wherein the pressure detection assembly comprises: a first electrode and a second electrode; the first electrode and the second electrode form a mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment. The electronic equipment can realize the pressure detection function, does not increase the thickness of the electronic equipment and has low cost.
Description
Technical Field
The invention relates to the technical field of pressure detection, in particular to electronic equipment with a pressure detection function.
Background
At present, mobile communication electronic equipment is widely applied to daily life and work of people, brings great convenience to the daily life and work of people, and becomes an indispensable important tool for people at present.
With the development of mobile communication, users have higher and higher requirements for mobile communication electronic devices, such as mobile phones, tablets, and the like, and therefore, the pressure sensing function becomes a measure for further improving user experience. After the pressure detection is realized, the development of the terminal related application function can be carried out by utilizing the information of the pressure dimension.
The existing pressure detection implementation scheme is mainly based on a pressure sensor, a plurality of pressure sensors need to be placed at the edge of electronic equipment such as a mobile phone, and when pressure is applied, the material properties of the pressure sensors can be changed, so that the change of the pressure is detected. However, embodiments in which the pressure sensor is provided in the electronic apparatus are costly and result in an increase in the thickness of the electronic apparatus.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electronic device with a pressure detection function, which can implement the pressure detection function without increasing the thickness of the electronic device, and has a low cost.
In order to achieve the above purpose, the invention provides the following technical scheme:
an electronic device having a pressure detection function, the electronic device comprising:
the display module and the mainboard are oppositely arranged; a gap with a set thickness is formed between the display module and the main board;
the pressure detection assembly is arranged between the display module and the main board;
wherein the pressure detection assembly comprises: a first electrode and a second electrode; the first electrode and the second electrode form at least one mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment.
Preferably, in the electronic device, the electronic device further includes: a layer of insulating deformable material completely filling the gap or partially filling the gap.
Preferably, in the electronic device, one of the first electrode and the second electrode is located on a side surface of the display module facing the main board, and the other is located on a side surface of the main board facing the display module; and the deformable material layer is positioned between the first electrode and the second electrode.
Preferably, in the electronic device, one of the first electrode and the second electrode is a planar electrode, and the other electrode includes a plurality of sub-electrodes.
Preferably, in the electronic device, the plurality of sub-electrodes are arranged in an array;
or, the plurality of sub-electrodes are located in a rectangular region, wherein 4 sub-electrodes are respectively located in four corner regions of the rectangular region, and the other sub-electrodes are arranged in an array and located in the central region of the rectangular region.
Preferably, in the electronic device described above, an edge of the sub-electrode has a saw-tooth structure.
Preferably, in the electronic device, the first electrode and/or the second electrode is/are in a metal mesh shape.
Preferably, in the electronic device, the first electrode includes: a plurality of strip-shaped electrodes which are arranged in parallel and extend along a first direction; the second electrode comprises a plurality of strip-shaped electrodes which are arranged in parallel and extend along a second direction;
wherein the first direction is perpendicular to the second direction.
Preferably, in the electronic device, the first electrode and the second electrode are located on a surface of one side of the display module facing the main board, and the deformable material layer is located between the conductive layer and the main board;
or the first electrode and the second electrode are simultaneously positioned on one side surface of the main board facing the display module, and the deformable material layer is positioned between the conductive layer and the display module.
Preferably, in the electronic device, the first electrode includes a plurality of first electrode units arranged in parallel and extending in a third direction;
the second electrode comprises a plurality of second electrode units which are arranged in parallel and extend along a third direction;
the first electrode units and the second electrode units are arranged oppositely one by one, and the oppositely arranged first electrode units and the oppositely arranged second electrode units are of mutually staggered comb tooth structures and are insulated from each other;
the second electrode unit comprises a plurality of insulated sub-comb electrodes, and the sub-comb electrodes of the same second electrode unit are arranged along the third direction.
Preferably, in the electronic device, the electronic device further includes: the display module comprises a display module and a pressure detection assembly, wherein the display module is arranged on the display module, and the pressure detection assembly is arranged on the display module.
As can be seen from the above description, the electronic device provided by the present invention includes: the display module and the mainboard are oppositely arranged; a gap with a set thickness is formed between the display module and the main board; the pressure detection assembly is arranged between the display module and the main board; wherein the pressure detection assembly comprises: a first electrode and a second electrode; the first electrode and the second electrode form a mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment.
Therefore, the pressure detection assembly is arranged in the gap between the display module and the main board of the electronic equipment, and the thickness of the electronic equipment cannot be increased. Meanwhile, the electronic equipment performs pressure detection through a mutual capacitance pressure detection capacitance node between the first electrode and the second electrode, is more sensitive to pressure deformation, and improves the sensitivity of pressure detection. In addition, the electronic equipment can realize pressure detection only by forming the first electrode and the second electrode with set patterns through a coating etching process, does not need a pressure sensor, and is low in manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional electronic device for implementing pressure detection;
fig. 2 is a schematic structural diagram of an electronic device with a pressure detection function according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electrode pattern of a pressure detection module according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electrode pattern of another pressure detection module according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electrode pattern of another pressure detection module according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an electrode pattern of another pressure detection module according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an electrode pattern of another pressure detection module according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a first module according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of a second module according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a pressure detection module according to an embodiment of the present application.
Detailed Description
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. 1, fig. 1 is a schematic diagram illustrating a pressure detection implemented by a conventional electronic device, and a plurality of pressure sensors 13 are required to be disposed between a first substrate 11 and a second substrate 12 to implement a pressure detection function. As described in the background section, the embodiment of fig. 1 in which the pressure sensor is provided in the electronic apparatus is costly and results in an increase in thickness of the electronic apparatus.
The inventor researches and discovers that in the electronic equipment with the touch display function, the electronic equipment needs to be provided with a main board and a rear cover. The main board structure has one function of supporting the display module on one side and the other function of accommodating the battery, the control circuit and other elements on the other side. The rear cover is used for accommodating the display module and the main board and forming a shell of the electronic equipment. In consideration of the reliability, stability and assembly tolerance of the electronic equipment, a gap needs to be reserved between the display module and the main board.
The embodiment of the application provides an electronic equipment with pressure detection function, sets up the pressure detection subassembly in this electronic equipment self clearance, the pressure detection subassembly includes: a first electrode and a second electrode. The first electrode and the second electrode form a mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment. And acquiring a pressure value applied to the electronic equipment by detecting the mutual capacitance change of the mutual capacitance pressure detection capacitance node.
The electronic equipment of the embodiment of the application comprises: the display module and the mainboard are oppositely arranged; a gap with a set thickness is formed between the display module and the main board; the pressure detection assembly is arranged between the display module and the main board. Wherein the pressure detection assembly comprises: a first electrode and a second electrode; the first electrode and the second electrode form at least one mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment.
When the electronic device is deformed by pressure, the mutual capacitance of the mutual capacitance pressure detection capacitance node is changed, and the pressure value can be detected through the change of the mutual capacitance. The electronic equipment is provided with the pressure detection assembly in the gap between the display module and the mainboard, so that the thickness of the electronic equipment cannot be increased. Meanwhile, the electronic equipment performs pressure detection through a mutual capacitance pressure detection capacitance node between the first electrode and the second electrode, is more sensitive to pressure deformation, and improves the sensitivity of pressure detection. In addition, the electronic equipment can realize pressure detection only by forming the first electrode and the second electrode with set patterns through a coating etching process, does not need a pressure sensor, and is low in manufacturing cost.
In the embodiment of the present application, one of the first electrode and the second electrode is a driving electrode, and the other is a sensing electrode.
Optionally, the electronic device further includes: a layer of insulating deformable material completely filling the gap or partially filling the gap. The deformable material layer is used as a dielectric layer, so that the mutual capacitance can be increased, and the pressure detection precision is improved. When the deformable material layer completely fills the gap, the gap installation is not influenced due to the good elasticity of the deformable material layer, and simultaneously, other shockproof filling functions can be realized.
The deformable material may also be partially filled according to the electrode pattern, i.e. only the dielectric layer is filled below the electrodes. But the cotton dielectric layer of deformable material layer priority is kind bubble, and kind bubble cotton material has better insulating nature, can avoid the short circuit, has great dielectric constant simultaneously, can effectual improvement mutual capacitance, improves the pressure detection precision, and has better elasticity recovery performance, has longer life.
In one embodiment, the first electrode is located on a different conductive layer than the second electrode; and the deformable material layer is positioned between the first electrode and the second electrode. One of the first electrode and the second electrode may be disposed on a side surface of the display module facing the main board, and the other may be disposed on a side surface of the main board facing the display module. The electronic device may now be as shown in fig. 2.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an electronic device with a pressure detection function according to an embodiment of the present application, where in the electronic device shown in fig. 2, the electronic device includes: a display module 21 and a main board 22 arranged oppositely; a gap 23 with a set thickness is formed between the display module 21 and the main board 22; and the pressure detection component 24 is arranged between the display module 21 and the main board 22. The pressure detection assembly 24 includes: a first electrode 241 and a second electrode 242; the first electrode 241 and the second electrode 242 form at least one mutual capacitance pressure detection capacitance node for sensing the pressure of the electronic device.
The electronic device further comprises a cover plate 25 arranged on one side surface of the display module 21 departing from the main board 22 and a rear cover 26 arranged on one side surface of the main board 22 departing from the display module 21. In the embodiment shown in fig. 2, the layer of deformable material is provided in the gap 23.
In the embodiment shown in fig. 2, the first electrode 241 is disposed on the surface of the display module 21 facing the main board 22, and the second electrode 242 is disposed on the surface of the main board 22 facing the display module 21. In other embodiments, the second electrode 242 may be disposed on a surface of the display module 21 facing the main board 22, and the first electrode 241 may be disposed on a surface of the main board 22 facing the display module 21.
When the first electrode and the second electrode are located on different conductive layers, one of the first electrode and the second electrode may be a planar electrode, and the other includes a plurality of sub-electrodes. The surface electrode and the plurality of sub-electrodes are vertically arranged oppositely to form a plurality of mutual capacitance pressure detection capacitance nodes. At this time, the electrode patterns of the pressure detection module may be as shown in fig. 3 to 5. It should be noted that the electrode patterns include, but are not limited to, the embodiments shown in fig. 3 and fig. 5.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electrode pattern of a pressure detection module according to an embodiment of the present disclosure, in which the surface electrode 32 and the sub-electrodes 33 are disposed in the display area 31 of the electronic device. The surface electrode 32 is disposed vertically opposite to the plurality of sub-electrodes 33. In the embodiment shown in fig. 3, the plurality of sub-electrodes 33 are arranged in an array. In this embodiment, the plurality of sub-electrodes 33 are uniformly distributed, and the uniformly distributed electrode arrangement helps to improve the linearity of the pressure, i.e., the uniformity of the pressure data when the same pressure is moved thereon.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an electrode pattern of another pressure detection module according to an embodiment of the present disclosure, in which the surface electrode 42 and the sub-electrodes 43 are disposed in the display area 41 of the electronic device. The surface electrode 42 is disposed vertically opposite to the plurality of sub-electrodes 43. In the embodiment shown in fig. 4, the sub-electrodes 43 are located in a rectangular region, wherein 4 sub-electrodes are located in four corner regions of the rectangular region, and the other sub-electrodes are arranged in an array and located in a central region of the rectangular region. In the embodiment, the pressure sensing of the whole surface is realized by using less node number, the channel acquires capacitance variation data caused by deformation of the important edge part and the middle part, and the pressure pressed down at different places is calculated by using an algorithm.
In the embodiment shown in fig. 3, the sub-electrodes 33 are square, and in the embodiment shown in fig. 4, the sub-electrodes 43 are rectangular. Specifically, in the embodiment of the present application, the shape of the sub-electrodes is a regular polygon, or a rectangle, or a triangle, or a circle, or an ellipse.
Optionally, the edges of the sub-electrodes may also have a saw-tooth structure, as shown in fig. 5. The plurality of sub-electrodes 51 are disposed in a display area 52 of the electronic device, the sub-electrodes 51 are arranged in an array, and a sawtooth structure is disposed at the edge of the sub-electrodes.
The first electrode and/or the second electrode can also be in a grid shape to reduce the load of the driving chip. At this time, the first electrode and the second electrode are oppositely disposed at different layers.
When the first electrode and the second electrode are located on different conductive layers, as shown in fig. 6, the first electrode may further include: a plurality of strip-shaped electrodes 62 arranged in parallel and extending in the first direction X; the second electrode includes a plurality of strip-shaped electrodes 63 arranged in parallel and extending in the second direction Y. Wherein the first direction X is perpendicular to the second direction Y. The first electrode and the second electrode are vertically arranged oppositely, and a plurality of mutual capacitance pressure detection capacitance nodes are formed between the vertically crossed strip-shaped electrodes 62 and the strip-shaped electrodes 63.
In other embodiments, the first electrode and the second electrode may be disposed on the same conductive layer. At this time, the first electrode and the second electrode are simultaneously positioned on the surface of one side of the display module facing the main board, and the deformable material layer is positioned between the conductive layer and the main board; or the first electrode and the second electrode are simultaneously positioned on one side surface of the main board facing the display module, and the deformable material layer is positioned between the conductive layer and the display module.
When the first electrode and the second electrode are located on the same conductive layer, the electrode pattern of the pressure detection module may be as shown in fig. 7, where the first electrode includes a plurality of first electrode units 72 that are arranged in parallel and extend along the third direction Z; the second electrode includes a plurality of second electrode units 73 arranged in parallel and extending in the third direction Z; the first electrode units 72 and the second electrode units 73 are arranged oppositely one by one, and the oppositely arranged first electrode units 72 and the oppositely arranged second electrode units 73 are of mutually staggered comb tooth structures and are insulated from each other; the second electrode unit 73 includes a plurality of insulated sub-comb electrodes, and the sub-comb electrodes of the same second electrode unit are arranged along the third direction Z. The first electrode unit 72 and the second electrode unit 73 which are oppositely arranged form a plurality of mutual capacitance pressure detection capacitance nodes for pressure detection, and the accuracy of pressure detection is high.
In order to prevent electrode interference, the method further comprises the following steps: the display module comprises a display module and a pressure detection assembly, wherein the display module is arranged on the display module, and the pressure detection assembly is arranged on the display module. The first electrostatic shielding layer can prevent electromagnetic signals on one side of the display module from interfering with the electromagnetic interference of the pressure detection assembly, and the second electrostatic shielding layer can prevent electromagnetic signals on one side of the mainboard from interfering with the electromagnetic interference of the pressure detection assembly, so that the accuracy of pressure detection is ensured.
In the electronic device according to the embodiment of the present disclosure, the first electrode or the second electrode may be a silver electrode, an ITO electrode, or a copper electrode. The electronic equipment is a mobile phone, a tablet computer or wearable equipment. The display module can be an LCD module or an AMOLED module.
The number of the first electrodes or the second electrodes can be adjusted according to the specification and the size of the electronic equipment, the distribution mode of the first electrodes or the second electrodes can be uniform in a dot matrix mode, and the first electrodes or the second electrodes can also be correspondingly adjusted according to the specification and the size of the electronic equipment. The multi-finger pressure detection is realized by setting the position distribution of the first electrode or the second electrode.
In the electronic device according to the embodiment of the application, because the first electrode and the second electrode layer have a plurality of mutual capacitance pressure detection capacitance nodes, multi-point pressure detection can be realized, pressure operations of two fingers with different Force can be identified simultaneously, and the Force Touch technology is advanced to a multi-point era. The test result shows that the electronic equipment can accurately identify that two fingers can simultaneously perform pressure touch control with different forces, such as 'one finger light point' and 'one finger pressing'. Because the pressure detection component in the electronic equipment performs pressure detection according to the mutual capacitance, the electronic equipment is used as a pressure detection capacitance signal source, pressure and size measurement of different pressure positions is realized by detecting mutual capacitance pressure detection capacitance nodes in the pressure detection component, pressure detection without a piezoelectric film is realized, and compared with the piezoelectric material, the manufacturing process cost and the process difficulty are reduced.
When the first electrode and the second electrode are located on different conductive layers, the electronic device further includes: the first insulating protective layer is arranged on the surface of the first electrode facing the second electrode, and/or the second insulating protective layer is arranged on the surface of the second electrode facing the first electrode. The first insulating protection layer is used for avoiding the first electrode from being abraded, and the second insulating protection layer is used for avoiding the second electrode from being abraded.
When the first electrode and the second electrode are located on different conductive layers, in the electronic device according to the embodiment of the present application, the first electrode may be directly formed on the surface of the display module or the surface of the main board. After the first module comprising the first electrode is separately prepared, the first module is attached to the surface of the display module or the surface of the main board.
When the first electrode and the second electrode are located on different conductive layers, the second electrode can be directly formed on the surface of the display module or the surface of the main board. After a second module comprising the second electrode is separately prepared, the second module is attached to the surface of the display module or the surface of the main board.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a first module according to an embodiment of the present disclosure, including: the first adhesive 81, the first electrostatic shielding layer 82, the first substrate 83, the first electrode 84, and the first insulating protective layer.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a second module according to an embodiment of the present disclosure, including: a second adhesive 91, a second electrostatic shielding layer 92, a second substrate 93, a second electrode 94 and a second insulating protective layer.
When the first electrode and the second electrode are located on the same conducting layer, one surface of the pressure detection module is in contact with the surface of the display module or the surface of the mainboard, and the other surface of the pressure detection module is provided with an insulating protection layer for preventing the first electrode and the second electrode in the pressure detection module from being abraded.
When the first electrode and the second electrode are located on the same conducting layer, the pressure detection module can be directly formed on the surface of the display module or on the surface of the mainboard, and can be independently manufactured, and then the pressure detection module is attached to the surface of the display module or the surface of the mainboard through an adhesive.
When the first electrode and the second electrode are located on the same conductive layer, if the pressure detection module is separately prepared, the structure of the pressure detection module is as shown in fig. 10, and the pressure detection module includes: a bonding adhesive 101, a substrate 102, a conductive layer 103 and an insulating protection layer 104. The conductive layer 104 includes a first electrode and a second electrode. In order to prevent electromagnetic interference, an electrostatic shielding layer may be disposed between the adhesive 101 and the substrate 102.
According to the above description, the electronic device in the embodiment of the application is provided with the pressure detection assembly in the gap between the display module and the main board, so that the thickness of the electronic device is not increased. Meanwhile, the electronic equipment performs pressure detection through a mutual capacitance pressure detection capacitance node between the first electrode and the second electrode, is more sensitive to pressure deformation, and improves the sensitivity of pressure detection. In addition, the electronic equipment can realize pressure detection only by forming the first electrode and the second electrode with set patterns through a coating etching process, does not need a pressure sensor, and is low in manufacturing cost.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electronic device having a pressure detection function, comprising:
the display module and the mainboard are oppositely arranged; a gap with a set thickness is formed between the display module and the main board;
the pressure detection assembly is arranged between the display module and the main board;
wherein the pressure detection assembly comprises: a first module having a first electrode and a second module having a second electrode, which are separately prepared; the first module comprises a first adhesive, a first electrostatic shielding layer, a first substrate, a first electrode and a first insulating protective layer which are sequentially arranged; the second module comprises a second adhesive, a second electrostatic shielding layer, a second substrate, a second electrode and a second insulating protection layer which are arranged in sequence; the first module is attached to the surface of the display module through the first adhesive, and the second module is attached to the surface of the mainboard through the second adhesive;
or the pressure detection module comprises a bonding adhesive, an electrostatic shielding layer, a base material, a conductive layer and an insulating protective layer which are sequentially arranged, and the bonding adhesive is bonded on the surface of the display module or the surface of the mainboard; the conductive layer comprises a first electrode and a second electrode;
the first electrode and the second electrode form a mutual capacitance pressure detection capacitance node, and the mutual capacitance pressure detection capacitance node is used for sensing the pressure of the electronic equipment.
2. The electronic device of claim 1, further comprising: a layer of insulating deformable material completely filling the gap or partially filling the gap.
3. The electronic device of claim 2, wherein the layer of deformable material is between the first electrode and the second electrode.
4. The electronic device according to claim 3, wherein one of the first electrode and the second electrode is a planar electrode, and the other one of the first electrode and the second electrode includes a plurality of sub-electrodes.
5. The electronic device of claim 4, wherein the plurality of sub-electrodes are arranged in an array;
or, the plurality of sub-electrodes are located in a rectangular region, wherein 4 sub-electrodes are respectively located in four corner regions of the rectangular region, and the other sub-electrodes are arranged in an array and located in the central region of the rectangular region.
6. The electronic device of claim 5, wherein edges of the sub-electrodes have a saw-tooth structure.
7. The electronic device of claim 1, wherein the first electrode and/or the second electrode is a metal mesh.
8. The electronic device of claim 3, wherein the first electrode comprises: a plurality of strip-shaped electrodes which are arranged in parallel and extend along a first direction; the second electrode comprises a plurality of strip-shaped electrodes which are arranged in parallel and extend along a second direction;
wherein the first direction is perpendicular to the second direction.
9. The electronic device according to claim 2, wherein the first electrode and the second electrode are both located on a surface of the display module facing a side of the main board, and the deformable material layer is located between the conductive layer and the main board;
or the first electrode and the second electrode are simultaneously positioned on one side surface of the main board facing the display module, and the deformable material layer is positioned between the conductive layer and the display module.
10. The electronic device according to claim 9, wherein the first electrode includes a plurality of first electrode units arranged in parallel and extending in a third direction;
the second electrode comprises a plurality of second electrode units which are arranged in parallel and extend along a third direction;
the first electrode units and the second electrode units are arranged oppositely one by one, and the oppositely arranged first electrode units and the oppositely arranged second electrode units are of mutually staggered comb tooth structures and are insulated from each other;
the second electrode unit comprises a plurality of insulated sub-comb electrodes, and the sub-comb electrodes of the same second electrode unit are arranged along the third direction.
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| CN201510812806.5A CN106775042B (en) | 2015-11-20 | 2015-11-20 | Electronic equipment with pressure detection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102053750A (en) * | 2009-11-06 | 2011-05-11 | 索尼公司 | Sensing device and electronic device |
| CN204143419U (en) * | 2014-10-10 | 2015-02-04 | 敦泰科技有限公司 | Electronic equipment and capacitive type touch pad thereof |
| CN104423739A (en) * | 2013-08-30 | 2015-03-18 | 天津富纳源创科技有限公司 | Touch device |
| CN104951124A (en) * | 2014-03-24 | 2015-09-30 | 希迪普公司 | Touch detection method and touch detector performing the same |
| CN205427796U (en) * | 2015-11-20 | 2016-08-03 | 敦泰电子有限公司 | Electronic equipment with pressure detection function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8436816B2 (en) * | 2008-10-24 | 2013-05-07 | Apple Inc. | Disappearing button or slider |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053750A (en) * | 2009-11-06 | 2011-05-11 | 索尼公司 | Sensing device and electronic device |
| CN104423739A (en) * | 2013-08-30 | 2015-03-18 | 天津富纳源创科技有限公司 | Touch device |
| CN104951124A (en) * | 2014-03-24 | 2015-09-30 | 希迪普公司 | Touch detection method and touch detector performing the same |
| CN204143419U (en) * | 2014-10-10 | 2015-02-04 | 敦泰科技有限公司 | Electronic equipment and capacitive type touch pad thereof |
| CN205427796U (en) * | 2015-11-20 | 2016-08-03 | 敦泰电子有限公司 | Electronic equipment with pressure detection function |
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