CN206627934U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN206627934U CN206627934U CN201720354534.3U CN201720354534U CN206627934U CN 206627934 U CN206627934 U CN 206627934U CN 201720354534 U CN201720354534 U CN 201720354534U CN 206627934 U CN206627934 U CN 206627934U
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Abstract
This application discloses a kind of display panel, including the first substrate and second substrate being oppositely arranged, the first electrode being arranged on first substrate and the second electrode being arranged on the second substrate；It is arranged between the first electrode and second electrode, and the elastic matrix directly contacted with the first electrode and second electrode, and the orthographic projection of the elastic matrix, the first electrode and the second electrode on the second substrate has overlapping region；Wherein, nanometer conductive material is contained in the elastic matrix, the resistance value of the elastic matrix changes with the change of itself decrement；The display panel carries out touch-control pressure detecting by detecting the resistance change of the elastic matrix.Display panel of the present utility model changes due to the resistance value of elastic matrix with the change of itself decrement, the size of touch-control pressure can be detected according to the variable quantity of the resistance value of elastic matrix, has been obviously improved sensitivity and the accuracy of pressure sensitivity touch control detection to a certain extent.
Description
Technical field
The application is related to display technology field, more specifically to a kind of display panel and display device.
Background technology
With the continuous development of Display Technique, the application of touch-control display panel is more and more extensive, in order to further meet to use
The demand at family, touch-control display panel start integrated inspection on the basis of position of touch detection function (abbreviation position touch-control) is realized
The function (abbreviation pressure sensitivity touch-control) of touch-control pressure size is surveyed, i.e., during user's touch display screen, is detecting touch-control position
While putting, the size of touch-control pressure can be detected so that touch-control display panel can be according to the difference of touch-control pressure, and performs
Different operational orders.
Realize that the mode of pressure sensitivity touch controllable function mainly there are two kinds on a display panel at present, one kind is that resistance-type pressure sensitivity is touched
Control, one kind is condenser type pressure sensitivity touch-control.Wherein, resistance-type pressure sensitivity touch-control because its sensitivity it is higher, and cost is relatively low, enjoys industry
Pay attention to.The pressure sensitivity touch-control display panel of prior art is the side array type arrangement strain gauge in panel mostly, stress sensing
The resistance value of device can change with the change of self-deformation amount, by detect strain gauge resistance value or magnitude of voltage it is big
It is small, to realize the detection of touch-control pressure size.
But inventor has found that the strain gauge layer of resistance-type pressure sensitivity touch-control display panel of the prior art is often
Be arranged under the backlight layer of display panel or surrounding frame at, cause the sensitivity of panel pressure sensitivity touch-control and accuracy relatively low.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of display panel and display device, carry to a certain extent
The sensitivity of high pressure sensitivity touch control detection and accuracy.
To realize above-mentioned technical purpose, the embodiments of the invention provide following technical scheme：
A kind of display panel, including the first substrate and second substrate being oppositely arranged, in addition to：
The first electrode being arranged on the first substrate and the second electrode being arranged on the second substrate；
It is arranged between the first electrode and second electrode, and is directly contacted with the first electrode and second electrode
Elastic matrix, and the orthographic projection of the elastic matrix, the first electrode and the second electrode on the second substrate
With overlapping region；
Wherein, nanometer conductive material is contained in the elastic matrix, the resistance value of the elastic matrix is with itself decrement
Change and change；
The display panel carries out touch-control pressure detecting by detecting the resistance change of the elastic matrix.
Optionally, the resistance value of the elastic matrix reduces with the increase of itself decrement.
Optionally, the nanometer conductive material be nano scale metal simple substance, nano transparent metal oxide, graphene,
At least one of CNT, conductive black.
Optionally, the nano scale metal simple substance is nanometer-level silver, nanosized copper, nanometer aluminum；The nano transparent
Metal oxide is nanometer grade indium tin oxide ITO, nanoscale indium zinc IZO, nanoscale antimony tin ATO, nanoscale
Aluminium zinc AZO.
Optionally, the material of the elastic matrix is acrylic resin, EP rubbers, nitrile rubber, neoprene and silicon
At least one of rubber.
Optionally, the display panel is liquid crystal display panel, and the first substrate is color membrane substrates, the second substrate
For array base palte, the display panel also includes the liquid crystal layer between the color membrane substrates and the array base palte, wherein,
The first electrode is arranged at the color membrane substrates towards in the one side of the liquid crystal layer；
The second electrode is arranged at the array base palte towards in the one side of the liquid crystal layer.
Optionally, the first electrode is transparent conductive electrode or metal electrode；And/or the second electrode is transparent
Conductive electrode or metal electrode.
Optionally, the material of the transparent conductive electrode is transparent metal oxide material or transparent organic conductive material.
Optionally, the material of the transparent conductive electrode is tin indium oxide ITO, indium zinc oxide IZO, antimony tin ATO, oxygen
Change aluminium zinc AZO or polyethylene dioxythiophene PEDOT；The material of the metal electrode is Mo, Al, Ti, Ag or MoAlMo.
Optionally, the shape of the first electrode and the shape of second electrode are identical or different.
Optionally, it is described transparent when at least one electrode is transparent conductive electrode in the first electrode and second electrode
Conductive electrode is strip shaped electric poles, block type electrode, triangle electrode or special-shaped electrode.
Optionally, when at least one electrode is metal electrode in the first electrode and second electrode, the metal electrode
Orthographic projection on the array base palte is located at orthographic projection of the black matrix area on array base palte on the color membrane substrates
In region.
Optionally, the first electrode is distributed on the color membrane substrates in grid type, and/or, second electrode is described
It is distributed on array base palte in grid type.
Optionally, when the second electrode is transparent conductive electrode, the second electrode and the picture on the array base palte
Plain electrode is formed in same photo-mask process.
Optionally, the elastic matrix is column shaped spacer PS posts and/or spherical spacer material BS.
Optionally, the content of the nanometer conductive material adulterated in the elastic matrix is 5%-80%.
Optionally, when the elastic matrix is PS posts, the shape of orthographic projection of the elastic matrix on the array base palte
Shape is circular, ellipse or arbitrary polygon.
Optionally, whole principal post and/or auxiliary post of the elastic matrix for PS posts, or partial principal post and/or auxiliary post.
Optionally, when the elastic matrix is BS, undoped with conductive material in the PS posts.
Optionally, it is different doped with the BS of conductive material particle diameter when the elastic matrix is BS.
Optionally, the display panel is organic electroluminescence display panel, and the first substrate is cover plate, the second substrate
For array base palte, wherein,
The array base palte towards the cover plate one side be disposed with from the bottom to top first electrode layer, organic luminous layer and
The second electrode lay；
The first electrode is arranged at the cover plate towards in the one side of the array base palte；
The second electrode is arranged at the second electrode lay towards in the one side of the cover plate, or the second electrode
Formed with the second electrode lay in same photo-mask process.
Optionally, the material of the first electrode and second electrode is transparent conductive material.
The embodiment of the invention also discloses a kind of display device, including above-described display panel.
It can be seen from the above technical proposal that display panel provided in an embodiment of the present invention and display device, due to positioned at
The resistance value of elastic matrix between first electrode and second electrode changes with the change of itself decrement, therefore, Ke Yigen
The size of touch-control pressure is detected according to the change of the resistance value of elastic matrix.It is also, local when user presses the display panel
Elastic matrix at pressing can directly be compressed, because the decrement of the elastic matrix at local pressing is more than the whole of display panel
Bodily form variable, i.e., the variable quantity of the resistance value of the elastic matrix at local pressing, hence it is evident that more than the non-pressed position of display panel
The variable quantity of resistance value, i.e., sensitivity and the accuracy of pressure sensitivity touch control detection have been obviously improved to a certain extent.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of profile for display panel that one embodiment of the invention provides；
Fig. 2 is a kind of profile for liquid crystal display panel that one embodiment of the invention provides；
Fig. 3 a- Fig. 3 f are the schematic shapes for the transparent conductive electrode that one embodiment of the invention provides；
Fig. 4 is the arrangement mode schematic diagram of the first electrode that one embodiment of the invention provides and second electrode；
Fig. 5 is the distribution schematic diagram when elastic matrix that one embodiment of the invention provides is PS posts；
Fig. 6 is the distribution schematic diagram when elastic matrix that one embodiment of the invention provides is BS；
Profile when Fig. 7 is a kind of LCD plate surface stress that one embodiment of the invention provides；
Fig. 8 is a kind of profile for OLED display panel that one embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment provides a kind of display panel, its profile is as shown in figure 1, the display panel includes：
The first substrate 110 and second substrate 120 being oppositely arranged；
The first electrode 111 being arranged on first substrate 110, and the second electrode 121 being arranged on second substrate 120；
Be arranged between the first electrode 111 and second electrode 121, and with the first electrode 111 and second electrode
121 elastic matrixes 130 directly contacted, and the elastic matrix, the first electrode and the second electrode are described
Orthographic projection on two substrates has overlapping region；
Wherein, nanometer conductive material is contained in the elastic matrix 130, the resistance value of the elastic matrix 130 is with itself
The change of decrement and change；
The display panel carries out touch-control pressure detecting by detecting the resistance change of the elastic matrix 130.
The resistance value of preferred elastic matrix 130 reduces with the increase of itself decrement in the present embodiment, i.e. display panel
After the stress of surface, the resistance value of elastic matrix 130 reduces, and the pressure that panel surface applies is bigger, the electricity of elastic matrix 130
Resistance is smaller, so as to the size of the resistance value according to detection elastic matrix 130, to judge the pressure of panel surface application
The size of power.
Specifically, the material of elastic matrix 130 can be acrylic resin, EP rubbers, nitrile rubber, neoprene and
At least one of silicon rubber.For the display panel of different types, the material of elastic matrix 130 can also adjust accordingly.
The nanometer conductive material adulterated in the present embodiment in elastic matrix 130 can be nano scale metal simple substance, nanoscale
At least one of transparent metal oxide, graphene, CNT, conductive black, i.e. elastic matrix 130 can be these materials
A kind of simple substance in material, or wherein several mixing materials.Certainly, in the feelings for the performance for not influenceing elastic matrix 130
, also can dopen Nano level non-transparent metals oxide layer materials in elastic matrix 130 under condition.
Wherein, nano scale metal simple substance can be nanometer-level silver, nanosized copper, nanometer aluminum, or other nanometers
The metal simple-substance of level；Nano transparent metal oxide is nanometer grade indium tin oxide ITO, nanoscale indium zinc IZO, nanoscale
Antimony tin ATO, alumina in Nano level zinc AZO etc..
In the present embodiment, first electrode 111, second electrode 121 are pressure touch electrode.Pressure is carried out in display panel
During touch-control, an electrode input pressure drive signal of the touch drive circuit into first electrode 111 and second electrode 211, to
Another electrode in first electrode 111 and second electrode 211 inputs a fixed reference voltage.
When extraneous no pressure is applied on display panel, elastic matrix 130 does not have deformation, now elastic matrix 130
Resistance value is maximum, and due in elastic matrix 130 doped with nanometer conductive material, first electrode 111 and second electrode 211
The state being on, voltage difference therebetween change with the change of pressure-driven signal, and when pressure-driven signal is
During one fixed value, the voltage difference between first electrode 111 and second electrode 211 is also a fixed value.
When the external world has pressure to be applied on display panel, the elastic matrix 130 at pressing position is compressed, elastic matrix
Nanometer conductive material in 130 is squeezed rear density and becomes big, and the arrangement of conductive material is closer, causes elastic matrix 130
Resistance value diminishes.Because pressure-driven signal is fixed, the change of the resistance value of elastic matrix 130, cause at pressing position
The quantity of electric charge of electrode changes, and the voltage difference between first electrode 111 and second electrode 211 also can accordingly change, from
And change that can be by electrode charge amount at the change of the resistance value for detecting elastic matrix 130, pressing position or the first electricity
The change of voltage difference between pole 111 and second electrode 211, you can determine the size of touch-control pressure.
Display panel in the present embodiment, when user presses the display panel, the elastic matrix at local pressing can be straight
Connect and compressed, it is because the decrement of the elastic matrix at local pressing is significantly greater than the overall deformation quantity of display panel, i.e., local
The variable quantity of the resistance value of elastic matrix at pressing is significantly greater than the variable quantity of the resistance value of the non-pressed position of display panel, from
And compared to display panel of the prior art, the sensitivity of pressure sensitivity touch control detection and accurate has been obviously improved to a certain extent
Degree.
It should be noted that the display panel in the present embodiment can be liquid crystal display panel, or LED (Light
Emitting Diode, light emitting diode) and OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode)
Display panel etc., for different display panels, the requirement such as structure of first electrode and second electrode is also different, individually below with
Exemplified by liquid crystal display panel and OLED display panel, the concrete structure of display panel in the present embodiment is illustrated.
When display panel in the present embodiment is liquid crystal display panel, its profile is as shown in Fig. 2 wherein, first substrate
For color membrane substrates 210, second substrate is array base palte 220, and the display panel is also included positioned at color membrane substrates and described
Liquid crystal layer 230 between array base palte, wherein, first electrode 211 is arranged at the color membrane substrates 210 towards the liquid crystal layer
On simultaneously, second electrode 221 is arranged at the array base palte 220 towards in the one side of the liquid crystal layer.Elastic matrix 231 passes through
Liquid crystal layer 230, directly contacted with first electrode 211 and second electrode 221, pass through the direct contact of elastic matrix 231, the first electricity
Pole 211 and second electrode 221 turn on.
In addition, the liquid crystal display panel in the present embodiment also includes position touch control electrode (not shown), the present embodiment
In the set-up mode of position touch control electrode can be identical with the setting of position touch control electrode of the prior art.
The position touch control electrode can be to be arranged at array base palte side, and the block type electrode arranged in array, now
The position touch control electrode can be multiplexed with the public electrode of liquid crystal display panel.Or the position touch control electrode is included along first
First sub-electrode of direction extension and the second sub-electrode extended in a second direction, first direction are vertical with second direction.Wherein,
First sub-electrode is located at the side of color membrane substrates, and the second sub-electrode is located at the side of array base palte；Or first sub-electrode
It is all located at second sub-electrode on color membrane substrates；Or first sub-electrode and second sub-electrode are all located at battle array
On row substrate.
In the present embodiment, color membrane substrates 210 are towards being additionally provided with black matrix" 212, colored filter in the one side of liquid crystal layer 230
Light film 213 and planarization layer 214, first electrode 211 are arranged at the planarization layer 213 towards the one side of the liquid crystal layer 230
On.Array base palte 220 also has a plurality of gate line, a plurality of data lines towards the side of liquid crystal layer 230, and by a plurality of gate line
The multiple pixel cells in array arrangement limited with a plurality of data lines.
Wherein, the material of first electrode 211 can be transparent conductive material or opaque metal material, likewise,
The material of two electrodes 221 is also transparent conductive material or opaque metal material, i.e. first electrode 211 can be electrically conducting transparent
Electrode or metal electrode, second electrode 221 can also be transparent conductive electrode or metal electrode.Also, the shape of first electrode 211
The shape of shape and second electrode 221 can be with identical, can also be different, if ensure first electrode 211, second electrode 221 and
Orthographic projection of the elastic matrix 231 on array base palte 220 has overlapping region.
When first electrode 211 and/or second electrode 221 are transparent conductive electrode, the material of the transparent conductive electrode can
Think transparent metal oxide material or transparent organic conductive material.Specifically, transparent metal oxide material is to aoxidize
Indium tin ITO, indium zinc oxide IZO, antimony tin ATO, aluminum zinc oxide AZO, transparent organic conductive material can be polyethylene dioxy
Thiophene PEDOT etc..
When first electrode 211 and/or second electrode 221 are opaque metal electrode, the material of the metal electrode can
Metal simple-substance or alloy material are thought, specifically, the metal material can be the composition metals such as Mo, Al, Ti, Ag or MoAlMo.
Specifically, when at least one electrode is transparent conductive electrode in first electrode 211 and second electrode 221, due to
Transparent conductive electrode can't influence the aperture opening ratio of display panel, and therefore, the transparent conductive electrode can have any shape.Citing
For, the shape of the transparent conductive electrode specifically can be as shown in Fig. 3 a- Fig. 3 f, i.e., the transparent conductive electrode can be strip electricity
Pole, block type electrode, triangle electrode or special-shaped electrode (various special-shaped electrode shapes as illustrated in figure 3f).It is saturating in the present embodiment
The shape of bright conductive electrode includes but is not limited to the shape shown in Fig. 3 a- Fig. 3 f.
Accordingly, directly electrically connected by elastic matrix 231 between first electrode 211 and second electrode 221 to realize
Purpose, the orthographic projection of elastic matrix 231, second electrode 221 and first electrode 211 on array base palte needs overlapping
Region.Based on this, the shape of second electrode 221 can be identical with the shape of first electrode 211, can also be different, as long as ensureing
The two orthographic projection on array base palte has overlapping region, meets the contact demand of elastic matrix 231.For example, when
When first electrode 211 is special-shaped electrode, second electrode 221 can be strip shaped electric poles, block type electrode, triangle electrode or abnormity electricity
Pole, as long as the overlapping region of orthographic projection of the strip region of second electrode 221 and first electrode 211 on array base palte can hold
Receive the two contact surface with elastic matrix 230.
When at least one electrode is metal electrode in first electrode 211 and second electrode 221, in order to not influence display surface
The aperture opening ratio and penetrance of plate, equally also for the apparent visual display effect for not influenceing display panel, the metal electrode is in battle array
Orthographic projection on row substrate 220 is located at orthographic projection of the region of black matrix" 212 on array base palte 220 on color membrane substrates 210
In region.
In other words, there is overlapping region with orthographic projection of the second electrode 221 on array base palte in guarantee first electrode 211
On the premise of, also to ensure to be the figure Hide All of metal electrode in first electrode 211 and second electrode 221 in black matrix"
In 212 orthographic projection region, i.e. orthographic projection region of the region of black matrix" 212 on array base palte 220 is more than or equal to metal
Orthographic projection region of the electrode on array base palte.
If first electrode 211 is metal electrode with an only electrode in second electrode 221, another electrode is transparent electricity
Pole, then the shape of transparency electrode is not limited, as long as ensureing orthographic projection overlapping region of two electrodes on array base palte 220
Black matrix" 212 is hidden in the orthographic projection region on array base palte 220.
In the present embodiment preferably, when at least one electrode in first electrode 211 and second electrode 221 is metal electrode
When, if first electrode 211 is metal electrode, then first electrode 211 is distributed on color membrane substrates 210 in grid type, or, second
Electrode 221 is metal electrode, then second electrode 221 is distributed on array base palte 220 in grid type.First electrode 211 and/or
Two electrodes 221 are hidden in the lower section of black matrix" 212, i.e., the metallic circuit being distributed in grid type in the metallic circuit of grid type distribution
Orthographic projection on array base palte 220 is hidden in the orthographic projection region of black matrix" 212.
Referring to Fig. 4, display panel the bowing from color membrane substrates 210 towards the direction of array base palte 220 of the present embodiment is shown
View, only with first electrode 211 and second electrode 221 it is strip shaped electric poles in figure, and the two orthographic projection on array base palte is equal
Its structure is illustrated exemplified by black matrix" is hidden in the orthographic projection region on array base palte 220.
As shown in figure 4, pixel cell 222 is arranged in array on array base palte 220, the pixel cell 222 includes red
Sub-pixel unit, green sub-pixels unit and blue subpixels unit, wherein, if first electrode 211 on array base palte just
Project in gap between two row's pixel cells 222, then second electrode 221 is then between two row pixel cells 222
In gap, in this case, elastic matrix 231 is orthographic projection overlapping regions on array base palte both.First in Fig. 4
Electrode 211 and the arrangement mode of second electrode 221 can be with intermodulation.
It should be noted that no matter the material of first electrode 211 and second electrode 221 is transparent conductive material or metal
Material, the arrangement mode of first electrode 211 and second electrode 221 in Fig. 4 are applicable.In the present embodiment, when second electrode 221
For transparent conductive electrode when, in order to reduce the production process of display panel, second electrode 211 can with array base palte 220
Pixel electrode is formed in same photo-mask process.That is the material of second electrode 221 and the material of pixel electrode is identical, is making work
In sequence, the figure of second electrode need to be increased on the mask plate for making pixel electrode, so as to by second electrode 221 and pixel electrode
Complete simultaneously.
In addition, when second electrode 221 is metal electrode, then need after the completion of complete array base palte processing procedure, then increase
Add the film forming of one of metal electrode and patterned processing procedure.First electrode 211 and second electrode 221 in the present embodiment can lead to
The fluid sealant (i.e. Sealant) crossed in display panel is connected with detection chip, can use and conductive material is adulterated in fluid sealant
Mode realizes the electrical connection of first electrode 211 and second electrode 221 and detection chip.
In the present embodiment, for liquid crystal display panel, the elastic matrix is the column shaped spacer PS posts in display panel
(i.e. Photo Spacer) and/or spherical spacer material BS (i.e. Ball Spacer).That is, in liquid crystal display panel manufacturing process,
Need in the PS posts and/or BS as elastic matrix dopen Nano conductive material so that doped with the PS posts of nanometer conductive material
Or BS has conducting function.
Specifically, the content of the nanometer conductive material adulterated in elastic matrix can be adjusted according to the material of elastic matrix
Whole, the content of the nanometer conductive material adulterated in the present embodiment in preferred elastic matrix is 5%-80%.
When elastic matrix is PS posts, whole principal posts and/or auxiliary post that elastic matrix can be for PS posts, or partial master
Post and/or auxiliary post.When having doping during elastic matrix is principal post, portion of secondary post or the part principal post of part and auxiliary post, doping
There are the principal post or auxiliary post of nanometer conductive material distribution proportion on a display panel and distributing position can in any combination, as long as bullet
The distribution mode of property matrix on a display panel, disclosure satisfy that can realize pressure sensitivity touch-control everywhere in display panel.
Also, when elastic matrix is PS posts, doped with positive throwing of the PS posts on the array base palte of nanometer conductive material
Shadow can be any shape, be such as circular, ellipse or arbitrary polygon.Referring to Fig. 5, with the second electrode of first electrode 211/
221 be strip shaped electric poles exemplified by, show distribution example when elastic matrix 231 is PS posts.The shape of all PS posts can be with Fig. 5
It is identical, can also be different, i.e., can be with identical doped with the shape of the PS posts 2311 of nanometer conductive material, can also be different, equally
, the shape of the PS posts 2312 undoped with nanometer conductive material can be with identical, can also be different.
It should be noted that in theory, more doped with the PS posts of nanometer conductive material, pressure sensitivity touch controllable function is sensitiveer,
But simultaneously as PS posts are more, when display panel bears the pressure in the external world, or extraneous operation thing is slided on a display panel
When dynamic, the movement of PS posts is may result in, so as to cause water ripples occur during display, what is more, alignment film can be scratched.And
And if the PS posts in a red green blue sub-pixel are more, the difficulty of technique is also added to a certain extent so that technique
Adjustable space diminishes.Based on this, preferably in the pixel electrode neighboring area of a red green blue sub-pixel, i.e. quilt in the present embodiment
The region of black matrix" covering, sets 1-6 PS post, more optionally sets 1-4 PS post, can be understood as in the present embodiment
PS posts are set between first electrode or second electrode, set only using in a first electrode or second electrode in Fig. 54 PS posts as
Example illustrates.
In other embodiments, because BS is mostly dispersed in by way of sprinkling on color membrane substrates or array base palte,
I.e. for whole display panel, BS quantity, density and uniformity of distribution etc. are all higher than PS posts.Therefore, when elastic base
When body is BS, can undope nanometer conductive material in PS posts, can also meet the functional requirement of display panel pressure sensitivity touch-control, i.e.,
The only dopen Nano conductive material in the BS of display panel, and the liquid crystal display panel of the setting routine of PS posts is identical.Certainly, exist
Dopen Nano conductive material, the present embodiment in part or all of PS posts that can also be selective in other embodiments not be done to this
Limitation.
It is different doped with the BS of nanometer conductive material particle diameter when elastic matrix is BS in the present embodiment, to adulterate
The BS for having nanometer conductive material can be adequately and uniformly distributed in whole display panel, and display panel is being born not
With pressure when, the BS that has varying number participates in conductive, reduce further the resistance value of elastic matrix, improves pressure sensitivity touch-control
The sensitivity of detection.
As shown in fig. 6, so that the second electrode 221 of first electrode 211/ is strip shaped electric poles as an example, show that elastic matrix 231 is
Distribution example during BS.Not dopen Nano conductive material in all PS posts 2312 in Fig. 6, i.e., the materials of each PS posts 2312 can be with
Prior art is identical, and the shape of each PS posts 2312 therein can be with identical, can also be different.Being led doped with nanometer in Fig. 6
Electric material and the different BS2313 of particle diameter are distributed in the regional of display panel, and liquid crystal is supported jointly into box with PS posts.
As shown in fig. 7, profile of the liquid crystal display panel in surface stress in the present embodiment is shown, when user presses
When pressing the display panel, the elastic matrix 231 below the area pressed a of panel surface is compressed, due under area pressed a
The decrement of the elastic matrix 231 of side is significantly greater than the deformation quantity for the elastic matrix 231 that display panel is not pressed below region,
For i.e. compared to the elastic matrix not being pressed below region, the conductive nano in elastic matrix 231 below area pressed a
The arrangement of material is closer so that the variable quantity of the resistance value of the elastic matrix 231 below area pressed a is significantly greater than display surface
Plate is not pressed the variable quantity of the resistance value of the elastic matrix 231 below region, so with first electrode 211 or second electrode
221 electrical connection detection chips, can by the variable quantity of the resistance value of the elastic matrix 231 below the area pressed a of detection, or
The variable quantities of detection other parameters related to the resistance value of elastic matrix 231 judges the size of pressing dynamics, so as to compare
Display panel in display panel of the prior art, the present embodiment has been obviously improved pressure sensitivity touch control detection to a certain extent
Sensitivity and accuracy.
When display panel disclosed in the embodiment of the present invention is organic light emission (OLED) display panel, its profile such as Fig. 8
It is shown, wherein, first substrate is cover plate 310, and second substrate is array base palte 320, wherein, the array base of the OLED display panel
Plate 320 is disposed with first electrode layer 321, organic luminous layer 322 and the second electrode lay from the bottom to top towards the one side of cover plate 310
323；
The first electrode 311 is arranged at the cover plate 310 towards in the one side of the array base palte 320；
The second electrode 324 is arranged at the second electrode lay 323 towards in the one side of the cover plate 310, Huo Zhesuo
Second electrode 324 is stated to be formed in same photo-mask process with the second electrode lay 323.Only with second electrode 324 and in Fig. 8
Two electrode layers 323 illustrate exemplified by being formed in same photo-mask process.
Elastic matrix 325 is arranged between first electrode 311 and second electrode 324, and by directly with first electrode 311
The electrical connection of first electrode 311 and second electrode 324 is realized in contact with second electrode 324.
Wherein, a plurality of gate line and a plurality of data lines are provided with the array base palte 320 in the present embodiment, and by grid
Multiple thin film transistor (TFT)s 326 of line driving, gate line and data wire intersect arrangement to limit multiple pixel cells.Pixel list
Member includes red sub-pixel unit, green sub-pixels unit and the blue subpixels unit arranged successively.Each thin film transistor (TFT)
Be arranged in corresponding sub-pixel unit, its grid electrically connects with gate line, and source electrode electrically connects with data wire, drain electrode with it is corresponding
Pixel electrode electrical connection in sub-pixel unit, first electrode layer 321 is to be made up of multiple pixel electrodes on display panel.
In traditional OLED display panel, the second electrode lay 323 is mostly face electrode, in the display panel course of work, to the
Two electrode layers 323 apply a fixed potential, by the change of the electric field between first electrode layer 311 and the second electrode lay 323, to control
The organic luminous layer 322 in pixel cell region processed is luminous.Preferred first electrode layer 311 is anode layer in the present embodiment, and second is electric
Pole layer 323 is cathode layer.
In order to not influence the transmitance of OLED display panel, first electrode 311 and second electrode 324 in the present embodiment
Material is preferably transparent conductive material.Now, the shape of first electrode 311 and second electrode 324 refers to Fig. 3 a- Fig. 3 f institutes
Show, can have any shape, as long as the orthographic projection both meeting on array base palte has overlapping region.
If second electrode 324 is arranged at the second electrode lay 323 towards in the one side of cover plate 310, in order to avoid second
Interfered between electrode 324 and the second electrode lay 323, also need to set an insulating barrier (not shown) between.This
In the case of kind, the second electrode lay 323 still can be arranged to face electrode as in the prior art.
If second electrode 324 is formed with the second electrode lay 323 in same photo-mask process, i.e. the material of second electrode 324
It is identical with the material of the second electrode lay 323, in production process, the need to be increased on the mask plate for making the second electrode lay 323
The figure of two electrodes, so as to which second electrode 324 and the second electrode lay 323 are completed simultaneously.In this case, second electrode
Layer 323 is divided into multiple strip shaped electric poles or block type electrode by second electrode 324, and the second electrode lay 323 is on array base palte 320
Orthographic projection at least to cover orthographic projection of the first electrode layer 321 on array base palte 320 comprehensively.
OLED display panel in the present embodiment also includes position touch control electrode, the set-up mode of the position touch control electrode with
Prior art is identical, is repeated no more in the present embodiment.
It should be noted that no matter the display panel in the present embodiment is liquid crystal display panel or OLED display panel
Can be with Deng, the touch drive circuit for pressure sensitivity touch-control and the touch drive circuit for position touch-control mentioned in the present embodiment
It is integrated in same chip, can also be integrated in different chips, the present invention is defined not to this.
The embodiment of the present invention additionally provides a kind of display device, and the display device includes the aobvious of any of the above-described embodiment offer
Show panel.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (23)
1. a kind of display panel, including the first substrate and second substrate being oppositely arranged, it is characterised in that also include：
The first electrode being arranged on the first substrate and the second electrode being arranged on the second substrate；
It is arranged between the first electrode and second electrode, and the bullet directly contacted with the first electrode and second electrode
Property matrix, and the orthographic projection of the elastic matrix, the first electrode and the second electrode on the second substrate has
Overlapping region；
Wherein, contain nanometer conductive material in the elastic matrix, the resistance value of the elastic matrix with itself decrement change
Change and change；
The display panel carries out touch-control pressure detecting by detecting the resistance change of the elastic matrix.
2. display panel according to claim 1, it is characterised in that the resistance value of the elastic matrix is with itself decrement
Increase and reduce.
3. display panel according to claim 2, it is characterised in that the nanometer conductive material is nano level metal list
At least one of matter, nano transparent metal oxide, graphene, CNT, conductive black.
4. display panel according to claim 3, it is characterised in that the nano scale metal simple substance is nanometer-level silver, received
Meter level copper, nanometer aluminum；The nano transparent metal oxide is nanometer grade indium tin oxide ITO, nanoscale indium zinc
IZO, nanoscale antimony tin ATO, alumina in Nano level zinc AZO.
5. display panel according to claim 1, it is characterised in that the material of the elastic matrix be acrylic resin,
At least one of EP rubbers, nitrile rubber, neoprene and silicon rubber.
6. display panel according to claim 1, it is characterised in that the display panel is liquid crystal display panel, described
First substrate is color membrane substrates, and the second substrate is array base palte, and the display panel also includes being located at the color membrane substrates
Liquid crystal layer between the array base palte, wherein,
The first electrode is arranged at the color membrane substrates towards in the one side of the liquid crystal layer；
The second electrode is arranged at the array base palte towards in the one side of the liquid crystal layer.
7. display panel according to claim 6, it is characterised in that the first electrode is transparent conductive electrode or metal
Electrode；And/or the second electrode is transparent conductive electrode or metal electrode.
8. display panel according to claim 7, it is characterised in that the material of the transparent conductive electrode is transparent metal
Oxide material or transparent organic conductive material.
9. display panel according to claim 8, it is characterised in that the material of the transparent conductive electrode is tin indium oxide
ITO, indium zinc oxide IZO, antimony tin ATO, aluminum zinc oxide AZO or polyethylene dioxythiophene PEDOT；The material of the metal electrode
Expect for Mo, Al, Ti, Ag or MoAlMo.
10. display panel according to claim 7, it is characterised in that the shape of the first electrode and second electrode
Shape is identical or different.
11. display panel according to claim 10, it is characterised in that at least one in the first electrode and second electrode
When individual electrode is transparent conductive electrode, the transparent conductive electrode is strip shaped electric poles, block type electrode, triangle electrode or abnormity electricity
Pole.
12. display panel according to claim 11, it is characterised in that at least one in the first electrode and second electrode
When individual electrode is metal electrode, orthographic projection of the metal electrode on the array base palte is located at black on the color membrane substrates
Color matrix area is in the orthographic projection region on array base palte.
13. display panel according to claim 12, it is characterised in that the first electrode is on the color membrane substrates
Grid type is distributed, and/or, second electrode is distributed on the array base palte in grid type.
14. display panel according to claim 7, it is characterised in that when the second electrode is transparent conductive electrode, institute
Second electrode is stated to be formed in same photo-mask process with the pixel electrode on the array base palte.
15. display panel according to claim 6, it is characterised in that the elastic matrix be column shaped spacer PS posts and/
Or spherical spacer material BS.
16. display panel according to claim 15, it is characterised in that the conductive nano material adulterated in the elastic matrix
The content of material is 5%-80%.
17. display panel according to claim 15, it is characterised in that when the elastic matrix is PS posts, the elasticity
Being shaped as orthographic projection of the matrix on the array base palte is circular, oval or arbitrary polygon.
18. display panel according to claim 15, it is characterised in that the elastic matrix is whole principal posts of PS posts
And/or auxiliary post, or partial principal post and/or auxiliary post.
19. display panel according to claim 15, it is characterised in that when the elastic matrix is BS, in the PS posts
Undoped with conductive material.
20. display panel according to claim 15, it is characterised in that when the elastic matrix is BS, doped with conduction
The BS of material particle diameter is different.
21. display panel according to claim 1, it is characterised in that the display panel is organic electroluminescence display panel,
The first substrate is cover plate, and the second substrate is array base palte, wherein,
The array base palte is disposed with first electrode layer, organic luminous layer and second from the bottom to top towards cover plate one side
Electrode layer；
The first electrode is arranged at the cover plate towards in the one side of the array base palte；
The second electrode is arranged at the second electrode lay towards in the one side of the cover plate, or the second electrode and institute
The second electrode lay is stated to be formed in same photo-mask process.
22. display panel according to claim 21, it is characterised in that the material of the first electrode and second electrode is
Transparent conductive material.
23. a kind of display device, it is characterised in that including the display panel described in any one of claim 1~22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354534.3U CN206627934U (en) | 2017-04-06 | 2017-04-06 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354534.3U CN206627934U (en) | 2017-04-06 | 2017-04-06 | Display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109680A1 (en) * | 2017-12-07 | 2019-06-13 | 京东方科技集团股份有限公司 | Feature recognition structure, manufacturing method, driving method and relevant apparatus |
| CN111684510A (en) * | 2018-02-06 | 2020-09-18 | 株式会社V技术 | Manufacturing method of LED display |
| WO2024113365A1 (en) * | 2022-12-02 | 2024-06-06 | 深圳市韶音科技有限公司 | Touch-control sensor and manufacturing method therefor, and electronic device comprising touch-control sensor |
-
2017
- 2017-04-06 CN CN201720354534.3U patent/CN206627934U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109680A1 (en) * | 2017-12-07 | 2019-06-13 | 京东方科技集团股份有限公司 | Feature recognition structure, manufacturing method, driving method and relevant apparatus |
| CN109901769A (en) * | 2017-12-07 | 2019-06-18 | 京东方科技集团股份有限公司 | Feature identifies structure, production method, driving method and relevant apparatus |
| US11353982B2 (en) | 2017-12-07 | 2022-06-07 | Boe Technology Group Co., Ltd. | Feature recognition structure, fabricating method, driving method and related device |
| CN111684510A (en) * | 2018-02-06 | 2020-09-18 | 株式会社V技术 | Manufacturing method of LED display |
| WO2024113365A1 (en) * | 2022-12-02 | 2024-06-06 | 深圳市韶音科技有限公司 | Touch-control sensor and manufacturing method therefor, and electronic device comprising touch-control sensor |
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