CN104360524B - Touch display screen and preparation method thereof - Google Patents
Touch display screen and preparation method thereof Download PDFInfo
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- CN104360524B CN104360524B CN201410749125.4A CN201410749125A CN104360524B CN 104360524 B CN104360524 B CN 104360524B CN 201410749125 A CN201410749125 A CN 201410749125A CN 104360524 B CN104360524 B CN 104360524B
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- 239000000758 substrate Substances 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims description 78
- 125000006850 spacer group Chemical group 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 20
- 230000015556 catabolic process Effects 0.000 claims description 13
- 238000006731 degradation reaction Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 239000004642 Polyimide Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000003949 imides Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000003825 pressing Methods 0.000 description 13
- 239000004973 liquid crystal related substance Substances 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
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- 239000007788 liquid Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 229920005479 Lucite® Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 238000005297 material degradation process Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
Abstract
The present invention relates to touch display screen and preparation method thereof, touch display screen includes display panel and touches component, display panel includes first substrate and second substrate, first substrate has first orientation layer, second substrate has second orientation layer, touching component includes first electrode layer and the second electrode lay, and first, second electrode layer is separately positioned on first, second substrate, and first, second oriented layer is between first, second electrode layer；Be provided with first substrate it is multiple run through first orientation layer, and the first conduction region being connected with first electrode layer, being provided with the positions of multiple first conduction region faces for second substrate multiple runs through second orientation layer, and the second conduction region being connected with the second electrode lay；First conduction region and the second conduction region are connected together when display panel is pressed, to identify the position of pressed position.Above-mentioned touch display screen, which can be realized in box, touches (In cell touch), can reduce the thickness of touch display screen.
Description
Technical field
The present invention relates to display technology field, in particular it relates to a kind of touch display screen and preparation method thereof.
Background technology
With the quick popularization of the intelligent terminals such as mobile phone, tablet personal computer, and Display Technique develops rapidly, touches
Display screen has obtained widely applying.Touch display screen is used to realize display and touches two kinds of functions, and it is specifically included for real
The display panel of existing display function and the touch component for realizing touch function, the two is typically bonded in one by binding agent
Rise.
By taking resistive touch screen as an example, it includes display panel 1 and touches component 2, as shown in figure 1, touching component 2 includes
The basic unit 20 (generally glass or lucite) being oppositely arranged and top layer 21 are (generally through overcure, scratch resistant processing, and surface
Smooth plastic layer)；Transparent electrode layer 22 is respectively arranged with the face relative to each other on basic unit 20 and top layer 21；It is arranged on basic unit
Transparent microballon 23 is provided between 20 transparent electrode layer 22 and the transparent electrode layer 22 for being arranged on top layer 21, on basic unit 20 and top layer
When 21 surfaces are not affected by pressure, transparent microballon 23 separates two transparent electrode layers 22 without contacting, and top layer is pressed in user
When 111, two transparent electrode layers 22 turn at pressing.
Specifically, touch display screen identifies the pressing position of user in the following manner：First, first transparent electricity is made
The voltage of pole layer 22 is 0, then forms horizontal voltage gradient on second transparent electrode layer 22, so, first transparent
Voltage on electrode layer 22 can be changed into voltage at pressing from 0, so as to by determining the voltage, it may be determined that pressing is in horizontal stroke
To coordinate；Secondly, the voltage for making second transparent electrode layer 22 is 0, is then formed on first transparent electrode layer 22 vertical
To voltage gradient, so, voltage on second transparent electrode layer 22 can be changed into voltage at pressing from 0, so as to pass through survey
Fixed voltage, it may be determined that pressing is in longitudinal coordinate.And then according to the horizontal and vertical coordinate at pressing, identify by
Particular location at pressure.
In above-mentioned touch display screen, display panel 10 is bonded together with touching component 11, it is, touch display screen
Thickness include display panel 10 with touch component 11 thickness sum, so cause the thickness of touch display screen larger.
The content of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is proposed that a kind of touch display screen and
Its preparation method, it, which can be realized in box, touches (In cell touch), reduces the thickness of touch display screen.
It is described aobvious to realize that the purpose of the present invention provides a kind of touch display screen, including display panel and touch component
Show that panel includes first substrate and has the with its second substrate to box, the side towards second substrate of the first substrate
One oriented layer, the side towards first substrate of the second substrate have second orientation layer, and the touch component includes first
Electrode layer and the second electrode lay, the first electrode layer are arranged on the first substrate, and the second electrode lay is arranged on
On two substrates, and the first orientation layer, second orientation layer are between first electrode layer and the second electrode lay；First base
Be provided with plate it is multiple run through first orientation layer, and the first conduction region being connected with first electrode layer, the second substrate with
The position of multiple first conduction region faces be provided with it is multiple run through second orientation layer, and second be connected with the second electrode lay is conductive
Area；First conduction region and the second conduction region are connected together when the display panel is pressed, and are pressed with identifying
The position at place.
Wherein, the first substrate includes the first spacer material and the second spacer material；First spacer material and second substrate
Between there is gap, it is conductive, and is electrically connected with the first electrode layer；Second spacer material is in contact with second substrate；
First conduction region is the apex zone of first spacer material.
Wherein, the height of first spacer material is less than the height of the second spacer material.
Wherein, the height of first spacer material is equal to or less than the height of the second spacer material；The second substrate includes
Positioned at the boss with the first spacer material, the region of the second spacer material face, and the height of boss corresponding with the first spacer material is small
In the height of boss corresponding with the second spacer material；Second conduction region is located at the top of boss corresponding with the first spacer material
End.
Wherein, the first substrate includes spacer material, region of first conduction region between the spacer material.
Wherein, the first orientation layer and second orientation layer are made up of light degradation material.
Wherein, the light degradation material includes photodegradable polyimides.
Wherein, the scope of the thickness of the first orientation layer and second orientation layer is 1~1000 micron.
Wherein, the first substrate is color membrane substrates, and the second substrate is array base palte.
As another technical scheme, the present invention also provides a kind of preparation method of above-mentioned touch display screen, including：Prepare
The step of display panel, and the step of touching component is prepared, described the step of preparing display panel, includes：
Form first orientation layer and second orientation layer respectively on two underlay substrates the step of；
Described the step of preparing touch component, includes：
Before first orientation layer and second orientation layer is formed, first electrode layer, the are formed on two underlay substrates respectively
The step of two electrode layers；And
Formed it is multiple run through first orientation layer, and the first conduction region being connected with first electrode layer, formed and multiple run through the
Two oriented layers, and be connected with the second electrode lay the second conduction region the step of.
Wherein, the first orientation layer is prepared on the surface of first electrode layer；The step of the first conduction region of the formation, wraps
Include：Multiple vias through first orientation layer are prepared, the step of exposing the first electrode layer at the via；
The step of the second conduction region of the formation, includes：
Before second orientation layer is formed, prepare it is multiple be connected with the second electrode lay via the step of, and
After second orientation layer is formed, the second orientation layer in the via is removed, reveals the second electrode lay at via
The step of going out.
Wherein, the first orientation layer and second orientation layer are made of light degradation material.
Wherein, the via through first orientation layer, second orientation layer is formed using light degradation technique.
Wherein, the first orientation layer and second orientation layer are made of photodegradable polyimides.
Wherein, the step of preparing the display panel also includes：
After first electrode layer is prepared, before first orientation layer, the first spacer material electrically connected with first electrode layer is prepared,
And the step of the second spacer material；
The first conduction region is formed on the first spacer material top.
Wherein, in the patterning processes of the second electrode lay are prepared, while the figure of pixel electrode is formed, or is formed simultaneously
The figure of public electrode.
The invention has the advantages that：
Touch display screen provided by the invention, its touch component first electrode layer and the second electrode lay be separately positioned on it is aobvious
Show on the first substrate and second substrate of panel, it is conductive by electrically connected respectively with first electrode layer, the second electrode lay first
Contact between area, the second conduction region, the identification for touch action and position is realized, display is arranged on so as to which component will be touched
In panel (In cell touch), compared with prior art, it can reduce the thickness of touch display screen, be advantageously implemented touch
Display screen it is lightening；Also, compared to the touch component being separately provided, it realizes the knowledge for touch by less part
Not, it is possible to reduce the technological process of production of its touch display screen, improve production efficiency, reduce production cost.
The preparation method of touch display screen provided by the invention, on the first substrate and second substrate of display panel respectively
The first electrode layer and the second electrode lay for touching component are prepared, and prepares the first conduction respectively on first substrate and second substrate
Area and the second conduction region, so as to realize that will touch component prepares in display panel (In cell touch), with prior art phase
Than the thickness of touch display screen being reduced, so as to be advantageous to the lightening of touch display screen；Meanwhile touch component and realize touch
Required part is less, so as to reduce the technological process of production of touch display screen, improves production efficiency, reduction is produced into
This.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of existing touch display screen；
Fig. 2 is the schematic diagram of the embodiment of inventive touch display screen；
Fig. 3 is the schematic diagram in region of first conduction region between spacer material；
Fig. 4 is the flow chart of the embodiment of the preparation method of touch display screen provided by the invention.
Wherein, reference：
1：Display panel；2：Touch component；20：Basic unit；21：Top layer；22：Transparency conducting layer；23：Transparent microballon；
10：First substrate；11：Second substrate；100：First orientation layer；101：First conduction region；102：Spacer material；103：
First spacer material；104：Second spacer material；110：Second orientation layer；111：Second conduction region；112：Boss；24：First electrode
Layer；25：The second electrode lay.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Fig. 2 is refer to, Fig. 2 is the schematic diagram of the embodiment of inventive touch display screen.In the present embodiment, touch
Display screen includes display panel 1 and touches component 2；The display panel 1 include first substrate 10 and with its second base to box
Plate 11, the side towards second substrate 11 of the first substrate 10 have first orientation layer 100, the face of the second substrate 11
There is second orientation layer 110 to the side of first substrate 10；The touch component 2 includes first electrode layer 24 and the second electrode lay
25, the first electrode layer 24 is arranged on the first substrate 10, and the second electrode lay 25 is arranged on the second substrate
On 11, and the first orientation layer 100, second orientation layer 110 are between first electrode layer 24 and the second electrode lay 25；It is described
Be provided with first substrate 10 it is multiple run through first orientation layer 100, and the first conduction region 101 being connected with first electrode layer 24；
The second substrate 11 with the positions of multiple faces of first conduction region 101 be provided with it is multiple run through second orientation layer 110, and with
The second conduction region 111 that the second electrode lay 25 connects；The conduction region 111 of first conduction region 101 and second is in the display surface
Plate 1 is connected together when being pressed, to identify the position at pressing.Specifically, the first substrate 10 can be color film base
Plate, the second substrate 11 can be array base palte.Preferably, the thickness of the first orientation layer 100 and second orientation layer 110
Scope be 1~1000 micron.
In liquid crystal display device, when oriented layer is used to not have electric field between pixel electrode and public electrode, make liquid crystal
Molecule keeps unified direction, and it is typically made up of polyimides, is nonconducting electric insulation layer；In the present embodiment,
One oriented layer 100 and second orientation layer 110 are no exception, are electric insulation layer both it.
In the present embodiment, the first electrode layer 24 of touch component 2, the second electrode lay 25 are in the and of the first conduction region 101
Second conduction region 111 turns on when being connected together, and realizes the identification to user's touch action accordingly, its principle class realized
It is similar to be similar to existing resistive touch display screen, specifically, its process can be：When the first conduction region 101 and second is conductive
When area 111 is connected together, first, the voltage for making first electrode layer 24 is 0, is formed on the second electrode lay 25 along a direction
The voltage gradient of (such as horizontal), because the first conduction region 101 and the second conduction region 111 connect, it will be understood that first electrode layer
24 can have the first conduction region 101 and the voltage of the joint of the second conduction region 111, so as to by detecting in first electrode layer 24
Voltage, it may be determined that the coordinate of the first conduction region 101 and the joint of the second conduction region 111 in a direction；Secondly, second is made
The voltage of electrode layer 25 is 0, the voltage gradient of (such as longitudinal) in another direction is formed in first electrode layer 24, due to first
The conduction region 111 of conduction region 101 and second connects, it will be understood that the second electrode lay 25 can have the first conduction region 101 and second to lead
The voltage of the electric joint of area 111, so as to by detecting the voltage on the second electrode lay 25, it may be determined that the He of the first conduction region 101
Coordinate of the joint of second conduction region 111 in other direction；So as to be connected according to the first conduction region 101 and the second conduction region 111
The coordinate of place in the two directions, it may be determined that the pressing of the joint, i.e. user of the conduction region 111 of conduction region 101 and second
Position, and then pressing that can be to user is responded accordingly.
Understood according to above-mentioned, touch action and the position of user are identified by first electrode layer 24 and the second electrode lay 25
Put；And in the present embodiment, first electrode layer 24 and the second electrode lay 25 are separately positioned on the base of first substrate 10 and second
On plate 11, realize touch component 2 and be arranged in display panel (i.e. In cell touch), compared with prior art, so may be used
To reduce the thickness of touch display screen, so as to be advantageous to the lightening of touch display screen；Meanwhile compared to the touch being separately provided
Component, present embodiment realize that the part needed for touching is less, so as to reduce the technological process of production of touch display screen, carries
High efficiency, reduce production cost.
In the present embodiment, the set-up mode of the first conduction region 101 and the second conduction region 111 can be as shown in Figure 3.
In embodiment illustrated in fig. 3, the first substrate 10 includes spacer material 102, and first conduction region 101 is located at the spacer material
Region between 102, correspondingly, the second conduction region 111 on second substrate 11 are similarly positioned in the region between spacer material 102.
It is appreciated that in the present embodiment, because the distance between the first conduction region 101 and the second conduction region 111 are larger, to make
One conduction region 101 is connected together with the second conduction region 111, and first substrate 10 and/or second substrate 11 need largely
Deformation, that is, require that user presses touch display screen with larger dynamics.
In addition to embodiment illustrated in fig. 3, the set-up mode of the first conduction region 101 and the second conduction region 111 can also be such as Fig. 2 institutes
Show.In the embodiment depicted in figure 2, the first substrate 10 includes the first spacer material 103 and the second spacer material 104；Described first
There is gap, it is conductive, and is electrically connected with the first electrode layer 24 between spacer material 103 and second substrate 11；Described second
Spacer material 104 is in contact with second substrate 11；First conduction region 101 is the apex zone of first spacer material 103.
In the present embodiment, there is gap between the first spacer material 103 and second substrate 11, the second spacer material 104 connects with second substrate 11
Touch, that is to say, that the second spacer material 104 is used to support first substrate 10 and second substrate 11, keeps distance therebetween；The
One spacer material 103 is used for when pressing touch display screen, its top is connected on the phase of the second conduction region 111 on second substrate 11
Together, so that first electrode layer 24 and the second electrode lay 25 turn on.
Compared with embodiment illustrated in fig. 3, top and the second substrate 11 of the first spacer material 103 in embodiment illustrated in fig. 2
The distance between, i.e. the distance between the first conduction region 101 and the second conduction region 111, less than first in embodiment illustrated in fig. 3
The distance between conduction region 111 of conduction region 101 and second, so that in the embodiment depicted in figure 2, the first conduction region 101 and second
When conduction region 111 is connected together, the amplitude of deformation needed for first substrate 10 and/or second substrate 11 is smaller, so as to so that
Pressing dynamics when user touches reduce, while can also avoid touch display screen because of first substrate 10 and/or second substrate
11 amplitude of deformation is larger and damages, and improves the reliability of touch display screen.
Specifically, the height of first spacer material 103 can be less than the second spacer material 104 height so that second every
When underbed 104 contacts with second substrate 11, there is gap between the first spacer material 103 and second substrate 11.
Alternately, in the embodiment depicted in figure 2, the second substrate 11 can also include being located at and the first spacer material
103rd, the boss 112 in the region of the face of the second spacer material 104, also, with the height of 103 corresponding boss 112 of the first spacer material
Less than the height with 104 corresponding boss 112 of the second spacer material；Second conduction region 111 is located at right with the first spacer material 103
The top for the boss 112 answered.In the prior art, boss 112 be used to making to be filled into first substrate 10 and second substrate 11 it
Between amount of liquid crystal fluctuation range it is bigger, it is bad caused by the fluctuation range of amount of liquid crystal is smaller to avoid；But in this reality
Apply in example, also set up and be less than and 104 corresponding boss of the second spacer material with the height of 103 corresponding boss 112 of the first spacer material
112 height, when the second spacer material 104 is contacted with the boss 112 of second substrate 11, the first spacer material 103 and second
There is gap between the boss 112 of substrate 11.Specifically, in these cases, the height of first spacer material 103 can wait
In the height of the second spacer material 104, so in the preparation process of the first spacer material 103 and the second spacer material 104, due to the two
It is highly consistent, preparation technology and process can be made simpler, and reduce cost；In addition, the height of first spacer material 103
The height of the second spacer material 104 is also less than, so can further be expanded on the basis of difference in height caused by boss 112
Greatly when the second spacer material 104 contacts with second substrate 11, the distance between the first spacer material 103 and second substrate 11, so as to
Make the fluctuation range of amount of liquid crystal that can be filled between first substrate 10 and second substrate 11 bigger.
In the present embodiment, the first orientation layer 100 and second orientation layer 110 are made up of light degradation material, so
When preparing the first conduction region 101 and the second conduction region 111, can be coated with first electrode layer 24 and the second electrode lay 25 by it
The orientation liquid (generally polyimides, i.e. PI) being completely covered, and by after orientation liquid solidification, removed and be located at by light degradation technique
The solidfied material of the orientation liquid of first conduction region 101 and the second conduction region 111, is prepared first orientation layer 100, second orientation layer
110 and first conduction region 101, the technique of the second conduction region 111 it is simpler, production efficiency is higher, and production cost is lower.It is preferred that
Ground, the light degradation material specifically include photodegradable polyimides (PI).
The touch display screen that present embodiment provides, it touches the first electrode layer 24 of component 2 and the second electrode lay 25 divides
Be not arranged on the first substrate 10 and second substrate 11 of display panel 1, by respectively with first electrode layer 24, the second electrode lay
Contact between 25 the first conduction regions 101 electrically connected, the second conduction region 111, realizes the identification for touch action and position,
(In cell touch) is arranged in display panel 1 so as to which component 2 will be touched, and compared with prior art, it is aobvious that it can reduce touch
The thickness of display screen, it is advantageously implemented the lightening of touch display screen；Also, compared to the touch component being separately provided, it passes through
Less part realizes the identification for touch, it is possible to reduce the technological process of production of its touch display screen, production efficiency is improved,
Reduce production cost.
As another technical scheme, the present invention also provides a kind of preparation method of touch display screen.Fig. 4 carries for the present invention
The flow chart of the embodiment of the preparation method of the touch display screen of confession.In the present embodiment, the preparation side of touch display screen
The step of method includes preparing display panel, and the step of touching component is prepared, wherein, described the step of preparing display panel, wraps
Include：Form first orientation layer and second orientation layer respectively on two underlay substrates the step of；It is described to prepare the step for touching component
Suddenly include：Before first orientation layer and second orientation layer is formed, first electrode layer, second are formed on two underlay substrates respectively
The step of electrode layer；And formed it is multiple run through first orientation layer, and the first conduction region being connected with first electrode layer, formation
It is multiple to run through second orientation layer, and be connected with the second electrode lay the second conduction region the step of.
In the present embodiment, after first electrode layer is prepared, directly can be prepared in the patterned surface of first electrode layer
First orientation layer, other structures can also be prepared in the patterned surface of first electrode layer before first orientation layer is prepared, for example, it is thin
The figures such as film transistor, pixel electrode, public electrode, in the case, first orientation layer are prepared in the figure positioned at the top
Surface.
Specifically, it is described to form the first conduction if directly preparing first orientation layer in the patterned surface of first electrode layer
The step of area, includes：Multiple vias through first orientation layer are prepared, the step of exposing the first electrode layer at the via.
Meanwhile first orientation layer directly prepares the patterned surface in first electrode layer, it is meant that, in the substrate base where first orientation layer
The figures such as thin film transistor (TFT), pixel electrode, public electrode are not prepared on plate, are thus needed after the second electrode lay is prepared, the
, it is necessary to prepare the figure such as thin film transistor (TFT), pixel electrode, public electrode where the second electrode lay on underlay substrate before two oriented layers
Shape, in the case, described the step of forming the second conduction region include：Before second orientation layer is formed, prepare multiple with second
The step of via of electrode layer connection, and, after second orientation layer is formed, the second orientation layer in the via is removed, is made
The step of the second electrode lay at via exposes.
Preferably, the first orientation layer and second orientation layer are made of light degradation material, are so taken in preparation first
During layer and second orientation layer, groove can be prepared using light orientation technique；So-called light orientation technique refers to utilize light
Line irradiates the oriented layer material degradation for making respective regions, departs from, so as to obtain corresponding groove figure in orientation layer surface.With biography
The friction orientation of system is compared, and light orientation can avoid the electrostatic caused by friction, can also avoid dust and friction cloth
On the fiber contamination oriented layer that comes off, so as to reduce the bad of caused by oriented layer touch display screen.Meanwhile institute
State first orientation layer and second orientation layer is made of light degradation material, also make through first orientation layer, the mistake of second orientation layer
Hole can be formed using light degradation technique.Specifically, the first orientation layer and second orientation layer use photodegradable polyamides
Imines is made.
In the present embodiment, the step of preparing the first substrate also includes：
After first electrode layer is prepared, before first orientation layer, the first spacer material electrically connected with first electrode layer is prepared,
And the step of the second spacer material；
The first conduction region is formed on the first spacer material top.
It is appreciated that because first, second spacer material is raised relative to underlay substrate, prepare first orientation layer the step of
In, it is less than the first orientation layer between first, second spacer material in the thickness of the first orientation layer on first, second spacer material top
Thickness；Thus, the time removed needed for the first orientation layer of the first spacer material apex zone is less, also, due to other areas
The thickness of the first orientation layer in domain is bigger, and influence when forming the first conduction region for the first orientation layer in other regions is smaller.
In the present embodiment, the first conduction region and the second conduction region meet claimed below：Touch after to box is shown
In screen, the position of the multiple second conduction region and the multiple first conduction region face one by one, and first conduction region and
Second conduction region can be connected together when pressed.
The preparation method for the touch display screen that present embodiment provides, on the first substrate and second substrate of display panel
The first electrode layer and the second electrode lay for touching component are prepared respectively, and prepare first respectively on first substrate and second substrate
Conduction region and the second conduction region, so as to realize that will touch component prepares in display panel (In cell touch), with existing skill
Art is compared, and reduces the thickness of touch display screen, so as to be advantageous to the lightening of touch display screen；Meanwhile touch component and realize
Part needed for touching is less, so as to reduce the technological process of production of touch display screen, improves production efficiency, reduces production
Cost.
In the present embodiment, it is preferable that the first spacer material is conductive, and is led using the apex zone of the first spacer material as first
Electric area, so setting makes the first conduction region and the distance between the second conduction region smaller, in the first conduction region and the second conduction region
When being connected together, the amplitude of deformation of first substrate and/or second substrate is smaller, so as to so that user touch when pressing
Dynamics reduces, while touch display screen can also be avoided to be damaged because the amplitude of deformation of first substrate and/or second substrate is larger,
Improve the reliability of touch display screen.
Specifically, in the patterning processes of the second electrode lay are prepared, while the figure of pixel electrode is formed, or shape simultaneously
Into the figure of public electrode.The number of patterning processes can not be increased by so setting, and so as to increase production cost, reduce life
Produce efficiency.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a kind of touch display screen, including display panel and component is touched, the display panel includes first substrate and right with it
The second substrate of box, the side towards second substrate of the first substrate have first orientation layer, the face of the second substrate
There is second orientation layer to the side of first substrate, the touch component includes first electrode layer and the second electrode lay, its feature
It is, the first electrode layer is arranged on the first substrate, and the second electrode lay is arranged on second substrate, and described
First orientation layer, second orientation layer are between first electrode layer and the second electrode lay；
It is provided with the first substrate and multiple runs through first orientation layer, and the first conduction region being connected with first electrode layer, institute
State second substrate be provided with multiple first conduction region faces positions multiple runs through second orientation layer, and and the second electrode lay
Second conduction region of connection；
First conduction region and the second conduction region are connected together when the display panel is pressed, and are pressed with identifying
The position at place；
The first substrate includes spacer material, region of first conduction region between the spacer material.
2. touch display screen according to claim 1, it is characterised in that the first orientation layer and second orientation layer are by light
Degradable material is made.
3. touch display screen according to claim 2, it is characterised in that the light degradation material includes photodegradable poly-
Acid imide.
4. touch display screen according to claim 1, it is characterised in that the thickness of the first orientation layer and second orientation layer
The scope of degree is 1~1000 micron.
5. touch display screen according to claim 1, it is characterised in that the first substrate is color membrane substrates, described
Two substrates are array base palte.
6. a kind of preparation method of the touch display screen described in Claims 1 to 5 any one, including：Prepare display panel
Step, and prepare the step of touching component, it is characterised in that described the step of preparing display panel, includes：
Form first orientation layer and second orientation layer respectively on two underlay substrates the step of；
Described the step of preparing touch component, includes：
Before first orientation layer and second orientation layer is formed, first electrode layer, the second electricity are formed on two underlay substrates respectively
The step of pole layer；And
Formed it is multiple run through first orientation layer, and the first conduction region being connected with first electrode layer, formed and multiple run through second and take
To layer, and be connected with the second electrode lay the second conduction region the step of.
7. the preparation method of touch display screen according to claim 6, it is characterised in that prepared by the first orientation layer
The surface of first electrode layer；
The step of the first conduction region of the formation, includes：Multiple vias through first orientation layer are prepared, are made at the via
The step of first electrode layer is exposed；
The step of the second conduction region of the formation, includes：
Before second orientation layer is formed, prepare it is multiple be connected with the second electrode lay via the step of, and
After second orientation layer is formed, the second orientation layer in the via is removed, makes what the second electrode lay at via exposed
Step.
8. the preparation method of the touch display screen according to claim 6 or 7, it is characterised in that the first orientation layer and
Second orientation layer is made of light degradation material.
9. the preparation method of touch display screen according to claim 8, it is characterised in that formed and passed through using light degradation technique
Wear first orientation layer, the via of second orientation layer.
10. the preparation method of touch display screen according to claim 8, it is characterised in that the first orientation layer and
Two oriented layers are made of photodegradable polyimides.
11. the preparation method of touch display screen according to claim 6, it is characterised in that preparing the second electrode lay
In patterning processes, while the figure of pixel electrode is formed, or form the figure of public electrode simultaneously.
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| CN108062185B (en) * | 2018-01-31 | 2022-02-01 | 京东方科技集团股份有限公司 | Touch control assembly, manufacturing method thereof and display device |
| CN108415614B (en) * | 2018-04-26 | 2020-03-13 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof |
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| KR101347291B1 (en) * | 2006-11-17 | 2014-01-03 | 삼성디스플레이 주식회사 | Flat panel display with a built-in touch sensor, method for driving the same and flat panel display device having the same |
| CN101349822B (en) * | 2008-09-04 | 2011-05-04 | 友达光电股份有限公司 | Embedded type touch control substrate of touch control display panel and manufacturing method thereof |
| CN101359112B (en) * | 2008-09-12 | 2010-07-07 | 友达光电股份有限公司 | Touch control type display panel |
| JP2010205611A (en) * | 2009-03-04 | 2010-09-16 | Casio Computer Co Ltd | Touch panel |
| CN101901077B (en) * | 2010-07-15 | 2014-05-21 | 友达光电股份有限公司 | Touch display panel and touch sensing structure thereof |
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