CN205158315U - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN205158315U CN205158315U CN201520621175.4U CN201520621175U CN205158315U CN 205158315 U CN205158315 U CN 205158315U CN 201520621175 U CN201520621175 U CN 201520621175U CN 205158315 U CN205158315 U CN 205158315U
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- touch control
- substrate
- display apparatus
- control display
- pressure
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- 239000000758 substrate Substances 0.000 claims description 82
- 238000000034 method Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The utility model discloses a touch display device belongs to panel display technical field. The utility model discloses a touch display device, it is at least including relative first base plate and the second base plate that sets up, first base plate is one and shows the output panel, the second base plate forms a pressure elements including first surface and the second surface carried on the back mutually on the first surface, form a touch -control electrode layer on the second surface, the pressure elements is covered by the projection of touch -control electrode layer at the first surface in the projection of first surface. The utility model discloses a pressure elements discernment and conduction contact electric capacity variable are fixed a position to record the size that this contact was stressed. The realization increases the touch -control location of perpendicular to the device's Z axle direction on the basis of two -dimentional XY axial plane touch -control.
Description
Technical field
The present invention relates to technical field of flat panel display, particularly relate to a kind of touch control display apparatus.
Background technology
Capacitance touching control display device is widely used in the various display products such as mobile phone, TV, computer as a kind of information input tool of electronic product, easy to operate, and comparatively conventional mobile phone visual range is wide.Wherein self-capacitance touch control display apparatus utilizes transparent conductive material tin indium oxide to be made into transverse direction and longitudinal electrode array at glass surface, and these horizontal and vertical electrodes form electric capacity with ground respectively, i.e. self-capacitance.When finger touch is to capacitance plate, the electric capacity of finger will be added in screen body capacitance, and screen body capacitance amount is increased.
When touching detection, self-capacitance touch control display apparatus detects laterally and longitudinal electrode array successively respectively, according to the change touching front and back electric capacity, determines lateral coordinates and longitudinal coordinate respectively, is then combined into the touch coordinate of plane.The scan mode of self-capacitance, is equivalent to the contact on touch-screen to project to X-axis and Y direction respectively, then calculates coordinate in X-axis and Y direction respectively, be finally combined into the coordinate of contact.The touch-control locator meams of this plane computations coordinate is usually subject to the impact of finger width, when position of touch is in adjacent multiple self-capacitance electrode centers, lower for judging the signal to noise ratio (S/N ratio) of contact position.
In touch control operation process, finger often gives touch control display apparatus pressure perpendicular to touch screen, the size of the pressure in this direction is variable, the pressure putting on this direction is utilized to carry out the touch control display apparatus of touch control operation in prior art comparatively complicated, and degree of accuracy is low, its operating performance and experience effect do not reach user's requirement.
Summary of the invention
In view of this, the invention provides a kind of can perpendicular to accurate location being carried out by induction touch-control pressure in the direction of touch control display apparatus and the touch control display apparatus of its pressure size can being detected, this device increases the touch-control perpendicular to the Z-direction of this device on existing two-dimentional touch-control (XY plane touch-control) basis, namely realize 3D touch-control, thus realize accurately location in the direction perpendicular to this device.
In a kind of touch control display apparatus provided by the invention, this device at least comprises: the first substrate be oppositely arranged and second substrate; First substrate is a display translation panel; Second substrate comprises opposing first surface and second surface, forms a pressure elements on the first surface, forms a touch control electrode layer on a second surface; Pressure elements first surface projection by touch control electrode layer first surface projection cover.
Preferably, in a kind of touch control display apparatus provided by the invention, the whole face of pressure elements is formed at first surface, and pressure elements covers first surface in the projection of first surface.
Preferably, in a kind of touch control display apparatus provided by the invention, at least one pressure elements is that matrix form is distributed in first surface.
Preferably, in a kind of touch control display apparatus provided by the invention, at least one pressure elements is that strip is distributed in first surface.
Preferably, in a kind of touch control display apparatus provided by the invention, at least one pressure elements is snakelikely be distributed in first surface.
Further, in a kind of touch control display apparatus provided by the invention, touch control electrode layer comprises many first electrode tandems and the second electrode tandem, first electrode tandem arranges along first direction, second electrode tandem arranges along second direction, and the first electrode tandem and the second electrode tandem transposition insulator are arranged; First electrode tandem and the second electrode tandem are formed at second surface in the lump through same processing procedure.
Preferably, in a kind of touch control display apparatus provided by the invention, a pressure-sensitive dielectric layer is set between first substrate and second substrate; Fit with pressure elements and first substrate respectively in the surface that pressure-sensitive dielectric layer one is relative.
Further, in a kind of touch control display apparatus provided by the invention, pressure-sensitive dielectric layer is made up of transparent pressure sensitive dielectric material.
Preferably, in a kind of touch control display apparatus provided by the invention, touch control display apparatus also comprises a cover plate, and cover plate covers pressure-sensitive dielectric layer in the projection of second substrate and the projection of first substrate on second substrate in the projection of second substrate.
Further, in a kind of touch control display apparatus provided by the invention, described cover plate is made up of the clear glass after tempering.
In touch control display apparatus provided by the invention, by forming a pressure elements on the first surface of second substrate, in touch-control process, finger applying pressure perpendicular to touch control display apparatus direction, first substrate and second substrate deformation is made to produce impedance variation, therefore change the capacitance size of contact, pressure elements identification is also conducted this electric capacity variable thus accurately locates, and can detect the size of this contact pressure because of the change of capacitance.This device increases on existing two-dimentional touch-control (XY plane touch-control) basis accurately locates perpendicular to the touch-control of the Z-direction of this device, and can detect the size of touch control display apparatus pressure, is with a wide range of applications.This touch control display apparatus production structure is easy, and degree of accuracy is high, its operating performance and experience effect good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the touch control display apparatus of a preferred embodiment provided by the invention;
Fig. 2 is the structural representation of the touch control display apparatus of another preferred embodiment provided by the invention;
Fig. 3 is the floor map of the pressure elements of a preferred embodiment provided by the invention;
Fig. 4 is the floor map of the pressure elements of another preferred embodiment provided by the invention;
Fig. 5 is the floor map of the pressure elements of another preferred embodiment provided by the invention;
Fig. 6 is the floor map of the pressure elements of another preferred embodiment provided by the invention.
Embodiment
For illustrate touch control display apparatus provided by the invention technical matters to be solved, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It is the structural representation of the touch control display apparatus of a preferred embodiment provided by the invention with reference to figure 1, Fig. 1.Touch control display apparatus provided by the invention at least comprises: the first substrate 10 be oppositely arranged and second substrate 20.First substrate 10 is a display translation panel, and this display translation panel preferably adopts liquid crystal display LCD, LED, cathode-ray tube display CRT and plasma display PDP etc.Second substrate 20 comprises opposing first surface 21 and second surface 22, and this first surface 21 is formed at the one side that second substrate 20 closes on first substrate 10, and pressure elements 211 is formed at first surface 21, and this pressure elements 211 can transmit this capacitance variable.This second surface 22 is formed at the one side of second substrate 20 away from first substrate 10, and touch control electrode layer 221 is formed at second surface 22.In the present embodiment, the material of touch control electrode layer 221 can be transparent conductive material, such as indium tin oxide, indium-zinc oxide or other transparent conductive materials.The capacitance variations determination contact position of touch control electrode layer 221 sense contact on second surface 22.Pressure elements first surface projection by touch control electrode layer first surface projection cover.This pressure elements can be that pressure-sensitive sensing patterns layer is or/and pressure-sensing layer.
With reference to the structural representation that figure 2, Fig. 2 is the touch control display apparatus of another preferred embodiment provided by the invention.The touch control display apparatus that the invention provides another preferred embodiment can be: the first substrate 10 be oppositely arranged and second substrate 20 and the pressure-sensitive dielectric layer 30 between first substrate 10 and second substrate 20, this first substrate 10 is a display translation panel, this display translation panel preferably adopts liquid crystal display LCD, LED, cathode-ray tube display CRT and plasma display PDP etc., this second substrate 20 is contact panel, this first substrate 10 is arranged at the below of second substrate 20, pressure-sensitive dielectric layer 30 is layed on first substrate 10, this second substrate 20 is layed on pressure-sensitive dielectric layer 30, by above-mentioned three part laminatings, the mode of full laminating can be adopted to fit for realizing better above-mentioned three parts of technique effect.Second substrate 20 comprises opposing first surface 21 and second surface 22.This first surface 21 is formed at the one side that second substrate 20 closes on first substrate 10, first surface 21 is fitted with the end face of pressure-sensitive dielectric layer 30, pressure elements 211 is formed at first surface 21, this pressure elements 211 can transmit this capacitance variable, and the pressure elements 211 on first surface 21 is also fitted with pressure-sensitive dielectric layer 30.This second surface 22 is formed at the one side of second substrate 20 away from first substrate 10, touch control electrode layer 221 is formed at second surface 22, the material of touch control electrode layer 221 can be transparent conductive material, such as indium tin oxide, indium-zinc oxide or other transparent conductive materials, the capacitance variations determination contact position of touch control electrode layer 221 sense contact on second surface 22.
Stray capacitance can be produced as between the sensing first substrate 10 of material and the second substrate 20 as optic panel.This stray capacitance can be made to change when pointing adosculation control display device, touch control electrode layer 221 can carry out touch-control location in touch control display apparatus plane.There is deformation when touch-control first substrate 10 and second substrate 20 and produce impedance variation, therefore the capacitance size of contact is changed, pressure elements 211 identifiable design also conducts this electric capacity variable thus accurately locates, and can detect the size of this contact pressure because of the change of capacitance.Owing to being provided with pressure-sensitive dielectric layer 30 between first substrate 10 and second substrate 20, when finger contact touch control display apparatus and when applying pressure, pressure-sensitive dielectric layer 30 produces deformation, the resistance of pressure-sensitive dielectric layer 30 is increased, and the variable produced when amplification electric capacity changes is easier to be undertaken identifying by pressure elements 211 and conducts.Pressure-sensitive dielectric layer 30 can adopt transparent pressure sensitive dielectric material.
Above-mentioned said impedance principle is, produces deformation, this first substrate 10 bend by pressure when the first substrate 10 of touch control display apparatus is subject to downward applied pressure, and is elongated in bending process.This first substrate 10 is not subject to downward applied pressure deformation when bending, and supposes that this first substrate 10 has lateral dimension L (that is, length).Applying pressure to first substrate 10 to make first substrate 10 bending, lateral dimension L size can be increased to L ' (that is, L ' >L).The prolongation of lateral dimension L (that is, length) and the reduction (that is, the reduction of width) of other sizes be associated with the lateral dimension of first substrate 10 can increase first substrate 10 when along impedance during its lateral dimension linear measure longimetry.Namely first substrate 10 pressurized lateral dimension L increases, and the length that in its pressure elements fitted, electronics passes through increases, the reduction of other sizes of first substrate 10 pressurized, the reduction of such as width, and the width that electronics in pressure elements is passed through reduces, thus resistance increases.Touch control display apparatus is also provided with processor (not shown), for receiving the capacitance variable that pressure elements transmits, and identify this capacitance variable, processor is positioned the contact position that this capacitance variable produces in the direction perpendicular to touch control display apparatus by data operation, and the numerical value of capacitance variations is converted to the numerical value of touch control display apparatus pressure, thus record the size of this pressure.
The material being arranged at the pressure elements 211 on first surface 21 can be transparent conductive material, such as indium tin oxide, indium-zinc oxide or other transparent conductive materials, the pattern that this pressure elements 211 is formed on first surface 21 has the function of inductance capacitance change.Pressure elements 211 detects the capacitance variable that the electric capacity between first substrate 10 and second substrate 20 has amplified under the effect of pressure-sensitive dielectric layer 30, and transmits it to processor.
The material being formed at the touch control electrode layer 221 of second surface 22 can be transparent conductive material, such as indium tin oxide, indium-zinc oxide or other transparent conductive materials, touch control electrode layer 221 comprises many first electrode tandem (not shown)s and the second electrode tandem (not shown), first electrode tandem arranges along first direction, second electrode tandem arranges along second direction, and the first electrode tandem and the second electrode tandem transposition insulator are arranged; First electrode tandem and the second electrode tandem are formed at second surface 22 in the lump through same processing procedure.Touch control electrode layer 221 at the projection overburden pressure element 211 of first surface 21 in the projection of first surface 21.Namely the area of pressure elements 211 is not more than touch control electrode layer 221, and the edge of pressure elements 211 is all in the edge extent of touch control electrode layer 221.As a kind of preferred embodiment, the first electrode tandem and the second electrode tandem, can be made up of multiple conductive material, as transparent conductive material or metal material, and can be composed in series by various shape, as diamond shape, square shape etc., the present invention does not limit this.In one embodiment, the block structure that the first electrode tandem and/or the second electrode tandem can be made up of transparent conductive material forms, or the reticulate texture formed by metal material forms.
This touch control display apparatus also comprises a cover plate 40, and the second surface 22 that cover plate 40 is arranged at second substrate 20 covers second surface 22.Cover plate 40 is clear glass class material, and cover plate is made up of the clear glass after tempering.There is the function beautifying, decorate and protect touch control display apparatus not easily to damage because of collision.Cover plate 40 covers pressure-sensitive dielectric layer 30 in the projection of second substrate 20 and the projection of first substrate 10 on second substrate 20 in the projection of second substrate 20.
Better, be the floor map of the pressure elements of a preferred embodiment provided by the invention with reference to figure 3, Fig. 3.As a kind of preferred embodiment, pressure elements 211 and pressure-sensitive dielectric layer 30 fit, after finger touch applies pressure, first surface 21 drives pressure elements 211 and pressure-sensitive dielectric layer 30 to produce deformation, change capacitance size between first substrate 10 and second substrate 20, pressure elements 30 can be monitored capacitance variations size and be transmitted it to processor (not shown).The whole face of pressure elements 211 is formed at first surface 21 in the present embodiment, and pressure elements 211 covers first surface 21 in the projection of first surface 21.The pressure elements 211 being etched to pressure sensitive figure by plated film is layed in whole first surface 21.
Now, no matter any point of finger contact touch control display apparatus all can be responded to the capacitance variations of this contact and detect this contact pressure.
Better, be the floor map of the pressure elements of another preferred embodiment provided by the invention with reference to figure 4, Fig. 4.As a kind of preferred embodiment, pressure elements 211 and pressure-sensitive dielectric layer 30 fit, after finger touch applies pressure, first surface 21 drives pressure elements 211 and pressure-sensitive dielectric layer 30 to produce deformation, change capacitance size between first substrate 10 and second substrate 20, pressure elements 211 can be monitored capacitance variations size and be transmitted it to processor (not shown).At least one pressure elements 211 is distributed in first surface 21 in matrix form in the present embodiment.Namely pressure elements 211 is distributed in first surface 21 by plated film etching matrix form.
Now, finger applies pressure to each contact panel region of touch control display apparatus, especially during its fringe region, the situation that when not occurring the nearer region of finger contact distance frame because frame external force is fixed and contact the region far away apart from frame, action effect is different, namely points and is not hindered because of external force at any point of touch control display apparatus applying touch-control pressure.
Better, be the floor map of the pressure elements of another preferred embodiment provided by the invention with reference to figure 5, Fig. 5.As a kind of preferred embodiment, pressure elements 211 and pressure-sensitive dielectric layer 30 fit, after finger touch applies pressure, first surface 21 drives pressure elements 211 and pressure-sensitive dielectric layer 30 to produce deformation, change capacitance size between first substrate 10 and second substrate 20, pressure elements 211 can be monitored capacitance variations size and be transmitted it to processor (not shown).At least one pressure elements 211 is distributed in first surface 21 in strip in the present embodiment.Namely pressure elements 211 is distributed in first surface 21 by plated film etching strip.
Now, finger applies pressure to each contact panel region of touch control display apparatus, especially during its fringe region, the situation that when not occurring the nearer region of finger contact distance frame because frame external force is fixed and contact the region far away apart from frame, action effect is different, namely points and is not hindered because of external force at any point of touch control display apparatus applying touch-control pressure.
Better, be the floor map of the pressure elements of another preferred embodiment provided by the invention with reference to figure 6, Fig. 6.As a kind of preferred embodiment, pressure elements 211 and pressure-sensitive dielectric layer 30 fit, after finger touch applies pressure, first surface 21 drives pressure elements 211 and pressure-sensitive dielectric layer 30 to produce deformation, change capacitance size between first substrate 10 and second substrate 20, pressure elements 211 can be monitored capacitance variations size and be transmitted it to processor (not shown).At least one pressure elements 211 is distributed in first surface 21 in snakelike in the present embodiment.Namely pressure elements 211 is etched by plated film and is snakelikely distributed in first surface 21.
Now, finger applies pressure to each contact panel region of touch control display apparatus, especially during its fringe region, the situation that when not occurring the nearer region of finger contact distance frame because frame external force is fixed and contact the region far away apart from frame, action effect is different, namely points and is not hindered because of external force at any point of touch control display apparatus applying touch-control pressure.
Above-mentioned numerous embodiments all can realize, in touch control display apparatus provided by the invention, by forming a pressure elements 211 on the first surface 21 of second substrate 20, in touch-control process, finger applying pressure perpendicular to touch control display apparatus direction, first substrate 10 and second substrate 20 deformation is made to produce impedance variation, therefore the capacitance size of contact is changed, pressure elements 211 identifies and conducts this electric capacity variable thus accurately locate, and can detect the size of this contact pressure because of the change of capacitance.This device increases on existing two-dimentional touch-control (XY plane touch-control) basis locates perpendicular to the touch-control of the Z-direction of this device, and can detect the size of touch control display apparatus pressure, is with a wide range of applications.This touch control display apparatus production structure is easy, and degree of accuracy is high, its operating performance and experience effect good.
It is more than the better embodiment of touch control display apparatus provided by the invention; the restriction to rights protection scope of the present invention can not be interpreted as; those skilled in the art should know; without departing from the inventive concept of the premise; also can do multiple improvement or replacement; these all improvement or replacement all should in the scope of the present invention, and namely the scope of the present invention should be as the criterion with claim.
Claims (10)
1. a touch control display apparatus, is characterized in that, described touch control display apparatus at least comprises:
The first substrate be oppositely arranged and second substrate;
Described first substrate is a display translation panel;
Described second substrate comprises opposing first surface and second surface, forms a pressure elements on the first surface, and described second surface is formed a touch control electrode layer;
Described pressure elements described first surface projection by described touch control electrode layer described first surface projection cover.
2. touch control display apparatus as claimed in claim 1, it is characterized in that, the whole face of described pressure elements is formed at described first surface, and described pressure elements covers described first surface in the projection of described first surface.
3. touch control display apparatus as claimed in claim 1, it is characterized in that, at least one described pressure elements is that matrix form is distributed in described first surface.
4. touch control display apparatus as claimed in claim 1, it is characterized in that, at least one described pressure elements is that strip is distributed in described first surface.
5. touch control display apparatus as claimed in claim 1, is characterized in that, at least one described pressure elements is snakelikely be distributed in described first surface.
6. the touch control display apparatus as described in any one of claim 1 to 5, it is characterized in that, described touch control electrode layer comprises many first electrode tandems and the second electrode tandem, described first electrode tandem arranges along first direction, described second electrode tandem arranges along second direction, and described first electrode tandem and the second electrode tandem transposition insulator are arranged;
Described first electrode tandem and the second electrode tandem are formed at described second surface in the lump through same processing procedure.
7. touch control display apparatus as claimed in claim 6, is characterized in that, arrange a pressure-sensitive dielectric layer between described first substrate and described second substrate;
Fit with described pressure elements and described first substrate respectively in the surface that described pressure-sensitive dielectric layer one is relative.
8. touch control display apparatus as claimed in claim 7, it is characterized in that, described pressure-sensitive dielectric layer is made up of transparent pressure sensitive dielectric material.
9. touch control display apparatus as claimed in claim 8, it is characterized in that, described touch control display apparatus also comprises a cover plate, and described cover plate covers described pressure-sensitive dielectric layer in the projection of described second substrate and the projection of described first substrate on described second substrate in the projection of described second substrate.
10. touch control display apparatus as claimed in claim 9, it is characterized in that, described cover plate is made up of the clear glass after tempering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621175.4U CN205158315U (en) | 2015-08-18 | 2015-08-18 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621175.4U CN205158315U (en) | 2015-08-18 | 2015-08-18 | Touch display device |
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| CN205158315U true CN205158315U (en) | 2016-04-13 |
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| CN201520621175.4U Active CN205158315U (en) | 2015-08-18 | 2015-08-18 | Touch display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468966A (en) * | 2015-08-18 | 2017-03-01 | 深圳莱宝高科技股份有限公司 | A kind of touch control display apparatus and preparation method thereof |
| CN106790808A (en) * | 2016-12-22 | 2017-05-31 | 上海摩软通讯技术有限公司 | A kind of terminal and its fingerprint identification method with camera module |
-
2015
- 2015-08-18 CN CN201520621175.4U patent/CN205158315U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468966A (en) * | 2015-08-18 | 2017-03-01 | 深圳莱宝高科技股份有限公司 | A kind of touch control display apparatus and preparation method thereof |
| CN106790808A (en) * | 2016-12-22 | 2017-05-31 | 上海摩软通讯技术有限公司 | A kind of terminal and its fingerprint identification method with camera module |
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