CN205750751U - A kind of postposition type electric damping sense touch screen structure - Google Patents
A kind of postposition type electric damping sense touch screen structure Download PDFInfo
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- CN205750751U CN205750751U CN201620391529.5U CN201620391529U CN205750751U CN 205750751 U CN205750751 U CN 205750751U CN 201620391529 U CN201620391529 U CN 201620391529U CN 205750751 U CN205750751 U CN 205750751U
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- touch screen
- pressure sensitivity
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- conductive layer
- electric damping
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Abstract
This utility model provides a kind of postposition type electric damping sense touch screen structure, touch screen；Fit in the display screen of touch screen lower surface；It is embedded in the pressure sensitivity structure within display screen.Postposition type electric damping sense touch screen structure of the present utility model, its processing technology is simple, production cost is low, and user experience more preferably, which simplify processing technology and the requirement driving IC, significantly reduces production cost.
Description
Technical field
This utility model relates to pressure sensitivity touch screen structure technical field, particularly to a kind of postposition type electric damping sense touch screen
Structure.
Background technology
Since the development that the 3D market of the every profession and trades such as 3D film, 3D glasses, 3D printing is like a raging fire, 3D touch also meet the tendency and
Raw.3D pressure sensitivity touches and can simply be interpreted as: 3D pressure sensitivity+touch, and the technology of touch is the most highly developed, and 3D technology is then rising
Step section；Have now part mobile phone (such as iPhone 6S) the most on the market and begin with the function of similar this respect, they be by
The display screen back side increases pressure sensitivity components and parts and realizes；When there being user to exert oneself die pressing product, pressure sensitivity components and parts report after sensing pressure
Realize 3D pressure sensitivity to master control to touch.
Existing 3D pressure sensitivity touches technique two big classes: 1. the capacitance variations caused by surveying deformation (result of pressure) is come
Measure the pressure of the third dimension (z direction)；2. the electricity caused by surveying the tension variation of the material internal that deformation (pressure) causes
Resistive measures the pressure in the third dimension (z direction).
Existing 3D pressure sensitivity pressure sensitivity touch screen structure high cost, and because the uneven problem of pressure, it is impossible to greatly
Use on screen touch screen, therefore need one badly and can reduce cost, it is possible to the 3D pressure sensitivity pressure sensitivity being readily used for sizes screen is touched
Touch screen structure.
Utility model content
This utility model is made in view of the foregoing, and its utility model purpose is to provide a kind of processing technology letter
Single, reduce production cost, pressure sensitivity touch screen structure that touch sensitivity is high.
For reaching above-mentioned purpose, this utility model have employed techniques below scheme.
A kind of postposition type electric damping sense touch screen structure, it is characterised in that comprise:
Touch screen；
Fit in the display screen of described touch screen lower surface；
Wherein, it is embedded with pressure sensitivity structure inside described display screen；
Described pressure sensitivity structure includes the first conductive layer and the second conductive layer, described first conductive layer and described second conductive layer
The pressure sensitivity signal pins of the chip of ground connection and the described postposition type electric damping sense touch screen structure of connection respectively；
Described postposition type electric damping sense touch screen structure is additionally provided with flexible PCB, described pressure sensitivity structure and described touch
Screen is connected with described flexible PCB respectively.
Alternatively, described pressure sensitivity structure includes the most successively:
Described first conductive layer, dielectric spacer layer and described second conductive layer.
Alternatively, described pressure sensitivity structure includes the most successively: described first conductive layer, dielectric spacer layer, described
Two conductive layers and support stiff sheet.
Alternatively, described dielectric spacer layer includes multiple insulated particle, and the thickness of each described insulated particle is that 3-15 is micro-
Rice, a diameter of 20-400 micron, the distance between each described insulated particle is 1-5 millimeter.
The present invention also provides for another kind of postposition type electric damping sense touch screen structure, it is characterised in that comprise:
Touch screen；
Fit in the display screen of described touch screen lower surface；
Wherein, it is embedded with pressure sensitivity structure inside described display screen；
Described display screen comprises display screen steel disc, and described pressure sensitivity structure comprises the first conductive layer, described display screen steel disc and
The pressure sensitivity signal pins of the chip of described first conductive layer ground connection respectively and the described postposition type electric damping sense touch screen structure of connection；
Described postposition type electric damping sense touch screen structure is additionally provided with flexible PCB, described pressure sensitivity structure and described touch
Screen is connected with described flexible PCB respectively.
Alternatively, described pressure sensitivity structure includes the most successively: described first conductive layer, dielectric spacer layer, described aobvious
Display screen steel disc is positioned at the lower surface of described dielectric spacer layer.
Alternatively, described pressure sensitivity structure includes the most successively: dielectric spacer layer, described first conductive layer and support are hard
Sheet, described display screen steel disc is positioned at the upper surface of described dielectric spacer layer.
Alternatively, described dielectric spacer layer includes multiple insulated particle, and the thickness of each described insulated particle is that 3-15 is micro-
Rice, a diameter of 20-400 micron, the distance between each described insulated particle is 1-5 millimeter.
Pressure sensitivity pressure sensitivity touch screen structure of the present utility model, processing technology is simple, production cost is low, user experience for its tool
More preferably, which simplify processing technology and the requirement that IC is driven, significantly reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structure of pressure sensitivity touch screen structure of the present utility model；
Fig. 2 is the first embodiment structure of pressure sensitivity structure of the present utility model；
Fig. 3 is the second embodiment structure of pressure sensitivity structure of the present utility model；
Fig. 4 is the 3rd embodiment structure of pressure sensitivity structure of the present utility model；
Fig. 5 is the 4th embodiment structure of pressure sensitivity structure of the present utility model.
Detailed description of the invention
Describe the preferably embodiment of pressure sensitivity touch screen structure of the present utility model below in conjunction with the accompanying drawings in detail, but this
Utility model is not limited to these embodiments.
As it is shown in figure 1, this utility model provides a kind of pressure sensitivity touch screen structure, it comprises:
Touch screen；
Fit in the display screen of touch screen lower surface；
It is embedded in the pressure sensitivity structure within display screen；
Wherein, touch screen includes glass cover-plate and electrically-conductive backing plate the most successively.
Electrically-conductive backing plate can comprise one layer or bilayer conductive structure.Certainly, touch screen can be other common touch screens
Structure.
Should illustrate, the lower surface in literary composition refers to the one side away from glass cover-plate.
Wherein, pressure sensitivity structure can have a variety of.As in figure 2 it is shown, pressure sensitivity structure includes the most successively: the first conduction
Layer, dielectric spacer layer and the second conductive layer；Or as it is shown on figure 3, pressure sensitivity structure includes the most successively: the first conductive layer,
Dielectric spacer layer, the second conductive layer and support stiff sheet.
Pressure sensitivity structure supports the purposes of stiff sheet and is: by controlling this plate shape, adjusts in outside and averagely presses
Pressure；Shape can be back-shaped, and middle windowing is less than the insulating barrier frame of pressure sensitivity structure supports adhesive glue；Or it is one
The support lump that monoblock is smooth is peripheral less than the insulating barrier frame of pressure sensitivity structure supports adhesive glue；Or it is permissible to support stiff sheet
For remaining shape, adjust with specific reference to actual complete machine situation.
The conductive coating structure of the electrically-conductive backing plate of touch screen can realize the report point of touch coordinate, and pressure sensitivity segments first layer conducts electricity
Layer does ground connection (GND) or connects pressure sensitivity signal pins 1 and process, and second layer conductive layer connects pressure sensitivity signal pins 2 or ground connection (GND)；This two-layer
Conductive layer all one whole conductive layer, it is not necessary to make pattern, so the most only needing single line just can complete；Wherein ground connection is permissible
Ground wire (GND) short circuit directly and on capacitance plate, pressure sensitivity holding wire 1 and pressure sensitivity holding wire 2, can touch with Selection utilization pressure sensitivity
Touch certain signal pins or the RESET foot of interface I2C of screen structure I C.
Further, as shown in Figure 4, display screen comprises display screen steel disc, and described pressure sensitivity structure includes the most successively: the
One conductive layer, dielectric spacer layer, display screen steel disc is positioned at dielectric spacer layer lower surface, and described pressure sensitivity structure utilizes the first conductive layer
Pressure sensing is carried out with display screen steel disc；Furthermore, as it is shown in figure 5, display screen comprises display screen steel disc, described pressure sensitivity structure is by upper
Including successively under to: dielectric spacer layer, the first conductive layer and support stiff sheet, display screen steel disc is positioned at dielectric spacer layer upper surface,
Described pressure sensitivity structure utilizes display screen steel disc and the first conductive layer to carry out pressure sensing.
Wherein, display screen steel disc does ground connection (GND) or connects pressure sensitivity signal pins 1 and process, and the first conductive layer connects pressure sensitivity signal pins 2
Or ground connection (GND)；This conductive layer is one whole conductive layer, it is not necessary to make pattern, only needs single line just can complete；Wherein ground connection
Can ground wire (GND) short circuit directly and on capacitance plate, pressure sensitivity holding wire 1 and pressure sensitivity holding wire 2, can be with Selection utilization pressure
Certain signal pins of sense touch screen structure I C or the RESET foot of interface I2C.
Further, dielectric spacer layer includes multiple insulated particle, and the thickness of each described insulated particle is 3-15 micron, straight
Footpath is 20-400 micron, and the distance between each insulated particle is 1-5 millimeter.The distance of insulated particle can have the shape of diverse location
Become and fully optimize to obtain and having the same measurement result at different local identical pressure.Space between two conductive layers leads to
Cross the glue with thickness of insulating layer is suitable to close.
Further, described pressure sensitivity touch screen structure is additionally provided with flexible PCB, described pressure sensitivity structure and described touch screen
It is connected with described flexible PCB respectively.The connection of pressure sensitivity structure and flexible PCB can be there to be three kinds of modes, and one of which is
Grafting；Another be two layers of conductive material respectively to windowing, reserved FPC binds mouth；The third mode is wherein one layer
Conductive layer first receive on the bound path of other a layer, be directly bound at the same face the most again.
Use this utility model, owing to pressure sensitivity part is at the display screen back side, the problem being not related to printing opacity and outward appearance, thus right
Material and job requirements are lower, slight scuffing, injured, stain etc. all without affecting product, pressure sensitivity induction of signal simultaneously, mainly
It is the principle utilizing conducting, thus less demanding to conductive material, as long as whole conducts electricity, can be selected for various conductive material such as
Ito film/nanometer film/organic conductive material (PFDOT)/or opaque conductive material etc., wider to the Application Range of material, as
This can preferably control cost.
Content described in this specification embodiment is only enumerating of the way of realization to utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and
In those skilled in the art according to this utility model design it is conceivable that equivalent technologies means.
Claims (8)
1. a postposition type electric damping sense touch screen structure, it is characterised in that comprise:
Touch screen；
Fit in the display screen of described touch screen lower surface；
Wherein, it is embedded with pressure sensitivity structure inside described display screen；
Described pressure sensitivity structure includes the first conductive layer and the second conductive layer, described first conductive layer and described second conductive layer respectively
The pressure sensitivity signal pins of the chip of ground connection and the described postposition type electric damping sense touch screen structure of connection；
Described postposition type electric damping sense touch screen structure is additionally provided with flexible PCB, and described pressure sensitivity structure and described touch screen divide
It is not connected with described flexible PCB.
2. postposition type electric damping sense touch screen structure as claimed in claim 1, it is characterised in that described pressure sensitivity structure is by up to
Under include successively:
Described first conductive layer, dielectric spacer layer and described second conductive layer.
3. postposition type electric damping sense touch screen structure as claimed in claim 1, it is characterised in that described pressure sensitivity structure is by up to
Under include successively: described first conductive layer, dielectric spacer layer, described second conductive layer and support stiff sheet.
4. postposition type electric damping sense touch screen structure as claimed in claim 2 or claim 3, it is characterised in that described dielectric spacer layer
Including multiple insulated particles, the thickness of each described insulated particle is 3-15 micron, a diameter of 20-400 micron, each described insulation
Distance between granule is 1-5 millimeter.
5. a postposition type electric damping sense touch screen structure, it is characterised in that comprise:
Touch screen；
Fit in the display screen of described touch screen lower surface；
Wherein, it is embedded with pressure sensitivity structure inside described display screen；
Described display screen comprises display screen steel disc, and described pressure sensitivity structure comprises the first conductive layer, described display screen steel disc and described
The pressure sensitivity signal pins of the chip of the first conductive layer ground connection respectively and the described postposition type electric damping sense touch screen structure of connection；
Described postposition type electric damping sense touch screen structure is additionally provided with flexible PCB, and described pressure sensitivity structure and described touch screen divide
It is not connected with described flexible PCB.
6. postposition type electric damping sense touch screen structure as claimed in claim 5, it is characterised in that described pressure sensitivity structure is by up to
Under include successively: described first conductive layer, dielectric spacer layer, described display screen steel disc is positioned at the following table of described dielectric spacer layer
Face.
7. postposition type electric damping sense touch screen structure as claimed in claim 5, it is characterised in that described pressure sensitivity structure is by up to
Under include successively: dielectric spacer layer, described first conductive layer and support stiff sheet, described display screen steel disc is positioned at described insulation gap
The upper surface of layer.
Postposition type electric damping sense touch screen structure the most as claimed in claims 6 or 7, it is characterised in that described dielectric spacer layer
Including multiple insulated particles, the thickness of each described insulated particle is 3-15 micron, a diameter of 20-400 micron, each described insulation
Distance between granule is 1-5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620391529.5U CN205750751U (en) | 2016-04-29 | 2016-04-29 | A kind of postposition type electric damping sense touch screen structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620391529.5U CN205750751U (en) | 2016-04-29 | 2016-04-29 | A kind of postposition type electric damping sense touch screen structure |
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| CN205750751U true CN205750751U (en) | 2016-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195665A (en) * | 2017-06-23 | 2017-09-22 | 京东方科技集团股份有限公司 | A kind of array base palte, its preparation method, display panel and display device |
-
2016
- 2016-04-29 CN CN201620391529.5U patent/CN205750751U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195665A (en) * | 2017-06-23 | 2017-09-22 | 京东方科技集团股份有限公司 | A kind of array base palte, its preparation method, display panel and display device |
| WO2018233280A1 (en) * | 2017-06-23 | 2018-12-27 | 京东方科技集团股份有限公司 | Array substrate, fabrication method therefor, and display panel and display device using same |
| CN107195665B (en) * | 2017-06-23 | 2019-12-03 | 京东方科技集团股份有限公司 | A kind of array substrate, its production method, display panel and display device |
| US10802630B2 (en) | 2017-06-23 | 2020-10-13 | Boe Technology Group Co., Ltd | Array substrate, method for fabricating the same, display panel, and display device |
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