CN107037916A

CN107037916A - Touch window

Info

Publication number: CN107037916A
Application number: CN201611158887.2A
Authority: CN
Inventors: 具赞奎; 全裕弘; 梁峻赫; 赵志元
Original assignee: LG Innotek Co Ltd
Current assignee: LG Innotek Co Ltd
Priority date: 2015-12-15
Filing date: 2016-12-15
Publication date: 2017-08-11

Abstract

Included according to the touch window of embodiment：Substrate；Sensing electrode, the sensing electrode is arranged on a surface of substrate；First anti-reflecting layer, first anti-reflecting layer is arranged on a surface of sensing electrode；And second anti-reflecting layer, second anti-reflecting layer is arranged on another surface of substrate, wherein the first anti-reflecting layer and the second anti-reflecting layer include material different from each other.In addition, being included according to the touch window of embodiment：Substrate；And sensing electrode, the sensing electrode and it is arranged on substrate, wherein sensing electrode includes the first sensing electrode and the second sensing electrode, wherein substrate has 4500nm or bigger phase difference in the thickness direction thereof.

Description

Touch window

Technical field

This disclosure relates to which a kind of touch window.

Background technology

Recently, held by input unit (such as, finger or writing pencil) by touching the image shown on the display apparatus The touch window of row input function is applied to various electrical equipment.

Resistive touch window and capacitance touch window can be usually classified into by touching window.In resistive touch window, glass Glass and electrode are electrically short-circuited to each other due to the pressure of input unit so that the position of detection contact.In capacitance touch window, pass through The capacitance variations when finger touches capacitance touch window between electrode are sensed to detect the position of contact.

As resistive touch window is reused, the performance of resistive touch window may degenerate, and in resistive touch Cut is likely to occur in window.Therefore, it is more concerned with excellent durability and long-life capacitance touch window.

This touch window can be formed according to the position of electrode with all kinds.For example, electrode can be formed in substrate On one surface or two surfaces.

Electrode and connected line electrode are arranged on a surface of substrate so that detected during touch electrode tactile Operation is touched, so as to perform the operation corresponding with touch operation.

In this case, the reflectivity and observability for touching window may be due to the materials variances between substrate and electrode Degenerate.For example, when the electrode being arranged on substrate is arranged to relative with display panel, the light from external incident is anti-from electrode Penetrate, and therefore, touching the observability of window may degenerate.

Meanwhile, when substrate has optical anisotropy, in fact it could happen that rainbow phenomena.Specifically, when the use polarisation sun During mirror, it is easily observed that rainbow phenomena.

In addition, when substrate has optical isotropy, according to the side of the polarization direction of Polarizer and polarized sunglasses To and angle, in fact it could happen that the blackout phenomenon of screen blackening.Therefore, touching the observability of window may degenerate.

Accordingly, it would be desirable to which a kind of can solve the touch window with new structure of foregoing problems.

The content of the invention

Embodiment provides reduction reflectivity and with the touch window (touch window) for improving observability.

In one embodiment, window is touched, including：Substrate；Sensing electrode, the sensing electrode is arranged in a table of substrate On face；First anti-reflecting layer (first anti-reflective layer), first anti-reflecting layer is arranged in sensing electrode On one surface；And second anti-reflecting layer (second anti-reflective layer), second anti-reflecting layer arrangement On another surface of substrate, wherein the first anti-reflecting layer and the second anti-reflecting layer include material different from each other.

In another embodiment, touching window includes：Substrate；And sensing electrode, the sensing electrode is arranged on substrate, its Middle sensing electrode includes the first sensing electrode and the second sensing electrode, and wherein substrate has 4500nm or more in the thickness direction thereof Big phase difference.

Reflectivity can be reduced and with improved observability according to the touch window of embodiment.In detail, anti-reflecting layer quilt It is arranged on a surface of sensing electrode so that the amount of the light reflected from sensing electrode can be reduced.

In addition, another anti-reflecting layer is disposed on a surface of substrate so that the light reflected from substrate can be reduced Amount.

It therefore, it can the reflectivity for the light that reduction is reflected from substrate and sensing electrode.

In addition, the poor matching layer for reducing the refractive index between sensing electrode and substrate is disposed in the another of sensing electrode On surface so that can prevent from watching electrode pattern from outside, so as to improve the observability for touching window.

Therefore, low reflectivity and improved observability can be had according to the touch window of the embodiment.

In the touch window according to embodiment, sensing electrode can be arranged on substrate, and substrate is in its thickness direction On can have 4500nm or bigger phase difference.

That is, 4500nm or bigger phase can be had due to stretching on its thickness according to the touch window of the embodiment Difference.Therefore, rainbow phenomena can be prevented according to the touch window of embodiment.

In addition, substrate can be optical anisotropy substrate.Therefore, it is possible to prevent blackout (blackout) phenomenon.

In the accompanying drawings one or more embodiments of the detail are elaborated with following description.Other features will be from specification With it is apparent in accompanying drawing and from claim.

Brief description of the drawings

Fig. 1 is the stereogram of the touch window according to first embodiment.

Fig. 2 is the plan of the touch window according to first embodiment.

Fig. 3 and Fig. 4 are the sectional views along Fig. 2 line A-A ' interceptions.

Fig. 5 is the view for showing the touching device according to first embodiment, and wherein display panel is coupled to touch window.

Fig. 6 is the sectional view along Fig. 2 line B-B ' interceptions.

Fig. 7 is the stereogram of the touch window according to second embodiment.

Fig. 8 is the sectional view along Fig. 7 line C-C ' interceptions.

Fig. 9 is the stereogram of the touch window according to 3rd embodiment.

Figure 10 is the sectional view along Fig. 9 line D-D ' interceptions.

Figure 11 is the stereogram of the touch window according to fourth embodiment.

Figure 12 is the sectional view along Figure 11 line E-E ' interceptions.

Figure 13 to Figure 15 is the view for showing the touching device according to embodiment, wherein touching window and display panel coupling each other Connect.

Figure 16 to Figure 19 is the view for showing to apply the example of the touching device of the touch window according to embodiment.

Embodiment

In describing the embodiments of the present, it is to be understood that when layer (or film), region, pattern or structure are represented as positioned at another When "above" or "below" substrate, another layer (or film), another region, another pad (pad) or another pattern, its can " directly " or " indirectly " it is located on another substrate, another layer (or film), another region, another pad or another pattern, or can also deposits In one or more intervening layers.This position of layer has been described with reference to the drawings.

In the following description, when part is connected to another part, part is not only directly connected to each other, Er Qieke It is connected to each other with inserting another part time ground connection in-between.In addition, when predetermined part, " including during predetermined element, this makes a reservation for Part is not excluded for other elements, but unless otherwise stated, it can also include other elements.

For convenience or simplify the purpose explained, each layer (or film), each region, each pattern shown in accompanying drawing or The thickness and size of each structure can be changed.In addition, the size of key element and non-fully reacting actual size.

Referring to figs. 1 to Fig. 6, substrate 100, decorative layer 200, sensing electricity can be included according to the touch window 10 of first embodiment Pole 300, line electrode (wire electrode) 400 and printed circuit board (PCB) 500.

Electrode 100 can be rigid or flexible.

For example, substrate 100 can include glass or plastics.In detail, substrate 100 can include chemical tempering/half tempered Glass (such as, soda-lime glass or alumina silicate glass), enhanced or flexible plastics (such as, polyimides (PI), poly- to benzene Naphthalate (PET), propane diols (PPG) or makrolon (PC)) or sapphire.

In addition, substrate 100 can include optical isotropy film.For example, substrate 100 can include cyclic olefine copolymer (COC), cyclic olefin polymer (COP), optically isotropic polycarbonate (PC), optical isotropy polymethyl methacrylate (PPMA) etc..

Sapphire is a kind of material with outstanding electrology characteristic (such as, dielectric constant) so that touch-responsive speed can The space such as hovered with being increased considerably and can easily realize touches (space touch).Further, since sapphire has There is high surface hardness, so sapphire can be applied to lid substrate.Here, hovering refers to being used for or even opening with display partition The technology of coordinate identification in short-range position.

In addition, substrate 100 can be curved locally with curved surface.That is, substrate 100 can bend to flat with part Surface and portion curved surface.In detail, one end of substrate 100 can curve with curved surface or can curve or warpage Into with the surface including random curvature.

In addition, substrate 100 can be the flexible base board with flexible nature.

In addition, substrate 100 can be bending or curved substrate.That is, the touch window including substrate 100 may be formed as With flexible, bending or curved property.Therefore, it is easy to carry about with one according to the touch window of the embodiment and can be in design Differently change.

Substrate 100 can include lid substrate.That is, substrate 100 can be lid substrate.Alternatively, independent lid substrate is also It can be arranged at least one in the surface and another surface of substrate.In addition, when the independent further cloth of lid substrate When putting on the substrate 100, substrate and lid substrate can be attached to one another by adhesion layer.Therefore, lid substrate and substrate can be independent Ground is formed, and is thus favourable in the batch production for touching window.

Substrate 100 can include the active area AA and passive region UA limited herein.

Image may be displayed in active area AA, and image cannot be shown in be arranged in it is passive around active area AA In area UA.

Furthermore, it is possible to which detection input unit is (for example, finger, hand at least one in active area AA and passive region UA Write pen etc.) position.If input unit (such as, finger) is contacted with touching window, then contacted in input unit with touching window Occur capacitance variations at part, and the part of capacitance variations occur that contact position can be detected as.

Decorative layer 200 can be disposed on the passive region of substrate 100.Decorative layer 200 can be according to each of desired appearance Color is planted to realize.

Decorative layer 200 can be formed by coating the material with predetermined color, so that can not be externally visibly Line electrode, make printed circuit board (PCB) that line electrode is connected with external circuit etc..

Decorative layer 200 can have the color suitable for desired appearance.For example, decorative layer 200 can include it is white or black Color pigment is to be presented black or white.For example, decorative layer 200 can be covered etc. and be formed by deposition, printing, wet coating.It is alternative Ground, decorative layer 200 can include the film of a variety of colors so that a variety of colors is presented, such as red and blueness.

Additionally, it is desirable to mark etc. can be formed in various ways on decorative layer 200.

Sensing electrode 300 can be arranged on the substrate 100.In detail, sensing electrode 300 can be arranged in substrate 100 On active area AA.

Sensing electrode 300 can include conductive material.For example, sensing electrode 300 can include allow flow of electrical power without Interrupt light transmissive transparent conductive material.For example, sensing electrode 300 can include metal oxide, such as indium tin oxide, indium Zinc oxide, cupric oxide, tin oxide, zinc oxide or titanium oxide.Therefore, because transparent material is arranged on sensing active area, institute So that the free degree for the pattern to form sensing electrode can be improved.

Alternatively, electrode 300 can include nano wire, photosensitive nanoparticle line film, CNT (CNT), graphene, conduction Polymer or its mixture.Therefore, because transparent material is arranged on sensing active area, it is possible to which raising forms sensing electrode Pattern the free degree.

If using nano composite material (such as nano wire or CNT), sensing electrode can be implemented as black.This In the case of, can be by controlling the content of nanometer powder to control color and reflectivity, while ensuring electric conductivity.Therefore, system is worked as Make flexibility and/or it is flexible touch window when, the free degree can be improved.

Alternatively, electrode layer 300 can include various metals.For example, sensing electrode can include chromium (Cr), nickel (Ni), at least one in copper (Cu), aluminium (Al), silver-colored (Ag), molybdenum (Mo), golden (Au), titanium (Ti) and its alloy.

Sensing electrode 300 can include the first sensing electrode 310 and the second sensing electrode 320.

First sensing electrode 310 can be arranged on the active area AA of lid substrate 100, while extending in a first direction. In addition, the second sensing electrode 320 can be arranged on the active region AA of lid substrate 100 while extending in a second direction.In detail Carefully, the second sensing electrode 320 can be arranged on lid substrate 100 while prolonging in the second direction different from first direction Stretch.That is, the first sensing electrode 310 and the second sensing electrode 320 can be arranged on the same level of lid substrate 100 with each other Different sides are upwardly extended.

First sensing electrode 310 and the second sensing electrode 320 can be arranged on lid substrate 100 with insulated from each other.In detail Ground, the first sensing electrode 310 is connected to each other by the first connection electrode 311, and insulating barrier 350 is arranged in the first connection electrode On 311, and the second connection electrode 321 is arranged on insulating barrier 350 so that the second sensing electrode 320 can connect by second Receiving electrode 321 is connected.

Therefore, the first sensing electrode 310 and the second sensing electrode 320 are not contacted each other, and can be arranged in lid together In the similar face (that is, a surface of active area) of substrate 100, with insulated from each other.In addition, sensing electrode 300 can be formed For mesh shape.Because sensing electrode has mesh shape, so cannot see that the pattern of sensing electrode.I.e., although sensing electricity Pole is formed by metal, but cannot see that the pattern.In addition, when sensing electrode is applied to large scale touch window, touching The resistance of window can be reduced.In addition, identical material can be used while forming pattern in sensing electrode and line electrode.

Sensing electrode 300 can include multiple sub-electrodes, and sub-electrode can be arranged to mesh shape while handing over each other Fork.

In detail, because sub-electrode is intersected with each other into mesh shape, thus sensing electrode 300 can include grid lines and Mesh openings between grid lines.

Grid lines can have about 0.1 μm to about 10 μm of line width.If the line width of grid lines is less than 0.1 μm, Can be by manufacturing process formation grid lines, or can occur short circuit in grid lines.If the line width of grid lines is more than 10 μ M, then can externally visibly electrode pattern, and therefore, it is seen that property may be reduced.Preferably, the line width of grid lines can be big About 0.5 μm to about 7 μm.It is highly preferred that the line width of grid lines can be about 1 μm to about 3.5 μm.

In addition, grid lines can have about 100nm to about 500nm thickness.When the thickness of grid lines is less than about During 100nm, electrode resistance can increase, and therefore, electrical property may be deteriorated.When the thickness of grid lines exceedes about 500nm, Touching the gross thickness of window can be thickened, and process efficiency may be deteriorated.Preferably, the thickness of grid lines can be about 150nm to about 200nm.It is highly preferred that the thickness of grid lines can be about 180nm to about 200nm.

In addition, mesh openings can be formed as variously-shaped.For example, mesh openings can be such as, more with variously-shaped Side shape shape (including quadrangle form, diamond shape, pentagon shaped or hexagonal shape) or circle.In addition, grid is opened Mouth can be formed as regular or random shape.

Line electrode 400 can be arranged on the substrate 100.In detail, line electrode 400 can be arranged in the active of substrate 100 In at least one in area AA and passive region UA.Preferably, line electrode 400 can be arranged on the passive region UA of substrate 100.In detail Carefully, line electrode 400 can be arranged on decorative layer 200.Line electrode 400 can be connected to sensing electrode 300, and can be with cloth Put on decorative layer 200.

Line electrode 400 can include the first line electrode 410 and the second line electrode 420.Better address, line electrode 400 can be with Including being connected to the first line electrode 410 of the first sensing electrode 310 and being connected to the second line electrode of the second sensing electrode 320 420.One end of first line electrode 410 and the second line electrode 420 can be connected to sensing electrode 300, and the first line electrode 410 Printed circuit board (PCB) 500 can be connected to the other end of the second line electrode 420.

Line electrode 400 can include conductive material.For example, it is therefore apparent that line electrode 400 can include with it is above-described The same or similar material of material of sensing electrode 300.

Line electrode 410 can receive the touch signal detected from sensing electrode 300, and touch signal can pass through line electrode 400 transmit to the driving chip 510 on the printed circuit board (PCB) 500 electrically connected with line electrode 400.

Printed circuit board (PCB) 500 can be flexible printed circuit board (FPCB).Printed circuit board (PCB) 500 can be with being arranged in passive region Line electrode 400 on UA is connected.In detail, printed circuit board (PCB) 500 can be by the anisotropic conductive film on passive region UA (ACF) it is electrically connected to line electrode 400.

Driving chip 510 can be arranged on printed circuit board (PCB) 500.In detail, driving chip 510 can connect from line electrode 400 The touch signal detected by sensing electrode 300 is received, to perform the operation according to touch signal.

With reference to Fig. 3 and Fig. 4, anti-reflecting layer can be arranged on the surface and another surface of substrate 100.

In detail, the first anti-reflecting layer 610 can be arranged on a surface of substrate 100, and the second anti-reflecting layer 620 can be arranged on another surface of substrate 100.

Here, a surface of substrate 100 can be defined as arranging the surface of sensing electrode 300 and electrode wires 400, and Another surface of substrate 100 can be defined as the surface relative with a surface of substrate 100.

First anti-reflecting layer 610 can be arranged on a surface of sensing electrode 300.First anti-reflecting layer 610 can be with It is arranged to contact with sensing electrode 300.First anti-reflecting layer 610 can be arranged to directly contact with sensing electrode 300.

In addition, the first anti-reflecting layer 610 can be arranged on active area AA.For example, the first anti-reflecting layer 610 can be arranged In active area AA whole surface.

First anti-reflecting layer 610 can include the material different from the second anti-reflecting layer 620.

First anti-reflecting layer 610 can include at least one in metal and metal oxide containing the metal.For example, the One anti-reflecting layer 610 can include aluminium (Al) and alundum (Al2O3) (Al₂O₃)。

First anti-reflecting layer 610 and sensing electrode 300 can have refractive indices that are different from.In detail, the first anti-reflective The refractive index for penetrating layer 610 is smaller than the refractive index of sensing electrode 300.

For example, the refractive index of the first anti-reflecting layer 610 can be about 1.7 to about 1.9.In addition, sensing electrode 300 Refractive index can be about 1.8 to about 2.2.

With reference to Fig. 4, another anti-reflecting layer can also be arranged on a surface of substrate 100.In detail, the 3rd antireflection Layer 630 can also be arranged in another surface (that is, another table relative with a surface of sensing electrode 300 of sensing electrode 300 Face) on.Namely based on the sensing electrode 300 on a surface of substrate 100, the 3rd anti-reflecting layer 630 can be arranged in sensing electricity On one surface of pole 300, and the first anti-reflecting layer 610 is located on another surface of sensing electrode 300.

3rd anti-reflecting layer 630 can be arranged in multiple layers.In detail, the 3rd anti-reflecting layer 630 can include first Sub 3rd antireflection of sub 3rd anti-reflecting layer (first sub-third anti-reflective layer) 631 and second Layer (second sub-third anti-reflective layer) 632.In detail, the first sub 3rd anti-reflecting layer 631 can To be arranged to contact with another surface of substrate 100, and the second sub 3rd anti-reflecting layer 632 can be arranged in the first son the 3rd On anti-reflecting layer 631.

The anti-reflecting layer 631 of first son the 3rd and the second sub 3rd anti-reflecting layer 632 can have refractive indices that are different from. In detail, the refractive index of the first sub 3rd anti-reflecting layer 631 can be more than the refractive index of the second sub 3rd anti-reflecting layer 632.That is, One sub 3rd anti-reflecting layer 631 can be high refracting layer, and the second sub 3rd anti-reflecting layer 632 can be forming low-refractive-index layer.

First sub 3rd anti-reflecting layer 632 of sub 3rd anti-reflecting layer 631 and second can be oxide layer.For example, the first son 3rd anti-reflecting layer 631 can include niobium pentaoxide (Nb₂O₅).In addition, the second sub 3rd anti-reflecting layer 632 can include two Silica (SiO₂)。

The anti-reflecting layer 631 of first son the 3rd and the second sub 3rd anti-reflecting layer 632 can be arranged to mutually similar Thickness.

First sub 3rd anti-reflecting layer 632 of sub 3rd anti-reflecting layer 631 and second can be cushion, and the cushion reduces The difference of refractive index between sensing electrode 300 and substrate 100.

That is, the first sub 3rd anti-reflecting layer 632 of sub 3rd anti-reflecting layer 631 and second can be refractive index matching layers.Cause This, can prevent externally visibly sensing electrode 300, so as to improve observability.

First anti-reflecting layer 610 is arranged on a surface of sensing electrode 300, is reflected with reducing from sensing electrode 300 Light amount.

First anti-reflecting layer 610 can be arranged to have about 100nm or smaller thickness.In detail, the first antireflection Layer 610 can be arranged to about 70nm to about 100 μm of thickness.In more detail, the first anti-reflecting layer 610 can be arranged Into the thickness with about 70nm to about 80 μm.

When the thickness of the first anti-reflecting layer 610 exceedes about 100nm, the whole thickness for touching window may be by the first anti-reflective The thickness increase of layer 610 is penetrated, and due to seeing the first anti-reflecting layer 610, so observability can lower.In addition, light transmittance quilt First anti-reflecting layer 601 is reduced, and therefore, the observability for the image realized on the active area can be reduced.

In addition, when the thickness of the first anti-reflecting layer 610 is less than about 70nm, the antireflection provided by the first anti-reflecting layer Effect can be reduced.

That is, the reflectivity of the light reflected from sensing electrode can be by the first anti-reflective for being arranged on a surface of sensing electrode Layer reduction is penetrated, and therefore, observability can be improved.

Second anti-reflecting layer 620 can be arranged on another surface of substrate 100.Second anti-reflecting layer 620 can include At least two layers.That is, the second anti-reflecting layer 620 can include multiple layers.

Second anti-reflecting layer 620 can include the first sub second anti-reflecting layer (first sub-second anti- Reflective layer) 621 and second sub second anti-reflecting layer (the second sub-second anti-reflective layer)622.In detail, the second anti-reflecting layer 620 can include the first son second being arranged on another surface of substrate 100 Anti-reflecting layer 621 and the second sub second anti-reflecting layer 622 being arranged on the first sub second anti-reflecting layer 621.

First sub second anti-reflecting layer 622 of sub second anti-reflecting layer 621 and second can have refractive indices that are different from. In detail, the refractive index of the first sub second anti-reflecting layer 621 can be more than the refractive index of the second sub second anti-reflecting layer 622.That is, One sub second anti-reflecting layer 621 can be high refracting layer, and the second sub second anti-reflecting layer 622 can be forming low-refractive-index layer.

The refractive index of first sub second anti-reflecting layer 621 can be about 2.2 to about 2.4.In addition, the second son second resists The refractive index in reflecting layer 622 can be about 1.3 to about 1.5.

First sub second anti-reflecting layer 622 of sub second anti-reflecting layer 621 and second can be oxide layer.For example, the first son Second anti-reflecting layer 621 can include titanium dioxide (TiO₂).In addition, the second sub second anti-reflecting layer 622 can include dioxy SiClx (SiO₂)。

First sub second anti-reflecting layer 622 of sub second anti-reflecting layer 621 and second can be arranged to mutually similar Thickness.

First sub second anti-reflecting layer 622 of sub second anti-reflecting layer 621 and second can be arranged in another table of substrate 100 In multiple layers on face.In detail, the first sub second anti-reflecting layer 622 of sub second anti-reflecting layer 621 and second can be arranged in To be alternately arranged on another surface of substrate 100 in multiple layers.

Reflectivity can be reduced and with improved observability according to the touch window of the embodiment.In detail, anti-reflecting layer It is arranged on a surface of sensing electrode so that the amount of the light reflected from sensing electrode can be reduced.

In addition, another anti-reflecting layer is arranged on a surface of substrate so that the amount of the light reflected from substrate can be reduced.

Therefore, the reflectivity of the light reflected from substrate and sensing electrode can be reduced.

In addition, the poor refractive index matching layers for reducing the refractive index between sensing electrode and substrate are arranged in the another of substrate On surface, enabling prevent externally visibly electrode pattern, so as to improve the observability for touching window.

Above-mentioned touch window can be by being coupled to display panel applied to touch window.Can be by viscous for example, touching window Attached layer is coupled to display panel.

With reference to Fig. 5, the touch window that can include being arranged on display panel 900 according to the touching device of embodiment.

In detail, with reference to Fig. 5, touching device can be formed by the way that substrate 100 and display panel 900 are coupled to each other. Substrate 100 and display panel 900 can be adhering to each other by adhesion layer 800.For example, substrate 100 and display panel 900 can be with It is bonded to each other by the adhesion layer 800 including Optical transparent adhesive (OCA) or optical resin (OCR).

Display panel 900 can include first substrate 910 and second substrate 920.

When display panel 900 is liquid crystal display panel, display panel 900 can be formed as such a structure, wherein, First substrate 910 including thin film transistor (TFT) (TFT) and pixel electrode is combined with the second substrate including colour filter, this first Inserted with liquid crystal layer between substrate and second substrate.

Moreover, display panel 900 can be the liquid crystal display panel with transistor providing color filters (COT) structure, wherein, TFT, colour filter and black matrix" formation are on first substrate 910, and second substrate 920 is combined with first substrate 910, at this Inserted with liquid crystal layer between first substrate and second substrate.That is, TFT can be formed on first substrate 910, and protective layer can be with shape Into on TFT, and color-filter layer can be formed on the protection layer.In addition, the pixel electrode formation contacted with TFT is in the first base On plate 910.In this case, in order to improve aperture ratio and simplify mask process, black matrix" can be omitted, and common electrical It can extremely be formed as being used as black matrix" together with its inherent function.

In addition, when display panel 900 is liquid crystal display panel, display device can also include back light unit for Light is provided at the back of display panel 900.

When display panel 900 is organic electroluminescence display panel, display panel 900 includes not needing any additional source of light Selfluminous device.In display panel 900, thin film transistor (TFT) formation is formed with and film crystal on first substrate 910 The organic light emitting apparatus of pipe contact.Organic light emitting apparatus can include anode, negative electrode and form having between the anode and the cathode Machine luminescent layer.In addition, display panel 900 can also include the second substrate 920 being located on organic light emitting apparatus, the second substrate As the package substrate for encapsulation.

Touch window according to first embodiment to fourth embodiment will be described with reference to Fig. 6 to Figure 15.

Each including substrate 100 and base can be arranged in the touch window of first embodiment to fourth embodiment Sensing electrode 300 on plate 100, and substrate 100 can have 4500nm or bigger phase difference in the thickness direction thereof.

Can also each include in the touch window of first embodiment to fourth embodiment is arranged on substrate 100 Hard coat 700, and hard coat 700 can be arranged between substrate 100 and sensing electrode 300.In this case, base Plate 100 can have optical anisotropic properties, and can have 4500nm to 10000nm phase in the thickness direction thereof Difference.Substrate 100 can have 100 μm or smaller of thickness.

Another accompanying drawing according to first embodiment will be described with reference to Fig. 6.In figure 6, identical element is referred to by identical Label is represented, and will omit repeated description.

Substrate 100, lid substrate 101, decorative panel 200, sensing electrode can be included according to the touch window of first embodiment 300th, line electrode 400, hard coat 700 and adhesion layer 800.

Substrate 100 can be rigid or flexible.Substrate 100 can include glass or plastics.For example, substrate 100 can With including polyethylene terephthalate (PET), makrolon (PC), cyclic olefine copolymer (COC), cyclic olefin polymer (COP) any one and in polymethyl methacrylate (PPMA).

Substrate 100 can be optical anisotropy substrate.For example, substrate 100 can be optical anisotropic film.For example, Substrate 100 can be the optical anisotropic film of the phase difference with λ/4.That is, because substrate 100 is optical anisotropy base Plate, so can prevent the blackout that the user for being worn polarized sunglasses when using optics isotropic substrate is observed that from showing As.

Substrate 100 can have 4500nm or bigger phase difference in the thickness direction thereof.For example, substrate 100 is thick at it 4500nm to 10000nm phase difference can be had by spending on direction.For example, substrate 100 can have in the thickness direction thereof 4500nm to 8000nm phase difference.

Substrate 100 has 4500nm or bigger phase in the thickness direction thereof due to the stretching on an axial direction Difference.For example, because PET is stretched on an axial direction, thus substrate 100 can have in the thickness direction thereof 4500nm or Bigger phase difference.That is, substrate 100 can be uniaxial retardation film.

When the phase difference on the thickness direction in substrate 100 is less than 4500nm, it may occur however that rainbow phenomena.Specifically, When using polarized sunglasses, rainbow phenomena can be easily observed that.

When the phase difference on the thickness direction in substrate 100 is 10000nm, touching the thickness of window can increase.In detail, Due to the thickness increase of substrate 100, so the phase difference on the thickness direction of substrate 100 can have larger value.

Because substrate 100 is formed by stretching, so the phase difference on the thickness direction of substrate 100 can be 4500nm or bigger.Therefore, rainbow phenomena can be prevented according to the touch window of the embodiment.

That is, the touch window including substrate 100 can have improved observability.

The thickness of substrate 100 can be 100 μm or smaller.For example, the thickness of substrate 100 can be 50 μm to 100 μm.Example Such as, the thickness of substrate 100 can be 80 μm to 100 μm.

When the thickness of substrate 100 is more than 100 μm, touching the thickness of window can increase.

That is, because substrate 100 is arranged to the thickness with 100 μm or smaller, so the touch window including substrate 100 can be with Reduce, and light transmittance can be improved.

Sensing electrode 200 and line electrode 300 can be arranged in the similar face of substrate 100.Therefore, the thickness of window is touched It can reduce.

Hard coat 700 can also be arranged on the substrate 100.Hard coat 700 can be arranged in substrate 100 and sensing electricity Between pole 300.

For example, with reference to Fig. 6, hard coat 700 can be arranged on a surface of substrate, and the first sensing electrode 310 and second sensing electrode 320 can be arranged on hard coat 700.

Hard coat 700 can be arranged on the active area AA and passive region UA of substrate 100.

Hard coat 700 can have 5 μm or smaller of thickness.For example, hard coat 700 can have 3 μm or smaller Thickness.For example, hard coat 700 can have 1 μm to 3 μm of thickness.

When the thickness of hard coat 700 is more than 5 μm, touching the thickness of window can increase.

Hard coat 700 can be by coating and being solidified to form on a surface of substrate 100.

Independent lid substrate 101 can also be arranged on the substrate 100.That is, sensing electrode 300 and line electrode 400 can be by base Plate 100 is supported, and substrate 100 and lid substrate 101 can directly or indirectly to one another be adhered to by adhesion layer 800.Therefore, Gai Ji Plate 101 and substrate 100 can be individually formed, and be thus favourable in the batch production for touching window.

For example, hard coat 700 can be arranged on the substrate 100, sensing electrode 300 and line electrode 400 can be arranged in On hard coat 700, adhesion layer 800 can be arranged in sensing electrode 300 and line electrode 400, and lid substrate 101 can be with cloth Put on adhesion layer 800.

Lid substrate 101 can have the thickness bigger than substrate 100.Lid substrate 101 can have bigger than substrate 100 Hardness.Lid substrate 101 and substrate 100 can include transparent material.That is, lid substrate 101 and substrate 100 can be transparent.

Lid substrate 101 can include the material corresponding or similar with the material of aforesaid substrate 100.

Lid substrate 101 can be rigid or flexible.For example, lid substrate 101 can include glass or plastics.In detail Ground, lid substrate 101 can include chemical tempering/half tempered glass (such as soda-lime glass or alumina silicate glass), strengthen Or flexible plastics (such as, polyimides (PI), polyethylene terephthalate (PET), propane diols (PPG) or poly- carbonic acid Ester (PC)) or sapphire.

In addition, lid substrate 101 can include optical isotropy film.For example, lid substrate 101 can include cycloolefin copolymer Thing (COC), cyclic olefin polymer (COP), optically isotropic polycarbonate (PC), optical isotropy poly-methyl methacrylate Ester (PPMA) etc..

Sapphire is a kind of material with outstanding electrology characteristic (such as, capacitivity) so that touch-responsive speed can be with Dramatically increase and can easily realize that space is touched (for example, hovering).Further, since sapphire has high surface hardness, institute Lid substrate can be applied to sapphire.Here, hovering refers to being used for even in short-range position is opened with display partition The technology of coordinate identification.

Decorative layer 200 can be arranged on the substrate 100.For example, decorative layer 200 can be arranged in the passive region of substrate 100 On UA.For example, decorative layer 200 can be arranged between substrate 100 and lid substrate 101.For example, decorative panel 200 can be arranged in To be contacted with lid substrate 101 on one surface of lid substrate 101.

Decorative layer 200 can be formed as film.Therefore, when lid substrate 101 is flexible or including curved surface, decoration Layer 200 can be easy to be arranged on a surface of lid substrate 101.Furthermore, it is possible to the separation of decorative layer 200 be prevented, so as to improve Touch the reliability of window.

Display panel including Polarizer can also be arranged in below substrate 100.Display panel can be that organic light emission shows Show panel or liquid crystal display panel.

Substrate 100 can change the light transmitted by Polarizer.Transmitted for example, substrate 100 can change by Polarizer Light axis.For example, can be changed to by through substrate 100 by the axis through Polarizer and the light of linear polarization And the light of rotatory polarization.

When the uniaxial tension direction of substrate is x, the uniaxial tension direction of substrate 100 and the polarization direction of Polarizer can be with The angle of 45 degree to about 45 degree of x formation.Here, the angle can be observed from the front portion of the touch window according to the embodiment Angle.

For example, because substrate 1000 is arranged to 45 degree of angle with the display panel including Polarizer, so working as through bag When the light for including the display panel of Polarizer vibrates on the direction of an axle, the light through substrate 100 can be in the side of two axles Vibration upwards, enabling prevent blackout phenomenon.

In detail, because substrate 100 is arranged to 45 degree of angle with the display panel including Polarizer, so passing through includes The light of the display panel of Polarizer can vibrate on the direction of x-axis or y-axis, and can be in x-axis and y through the light of substrate 100 Vibrated on the direction of both axles, enabling prevent blackout phenomenon.Therefore, when using polarized sunglasses, it can also prevent The only appearance of rainbow phenomena.

By with reference to touch window of Fig. 7 and Fig. 8 descriptions according to second embodiment.In figures 7 and 8, identical element is by phase Same reference number is represented, and will omit repeated description.

In the touch window according to second embodiment, the first hard coat 710 can be arranged in a surface of substrate 100 On, the first sensing electrode 310 can be arranged on the first hard coat 710, and the second hard coat 720 can be arranged in and substrate On the relative another surface in 100 surface, and the second sensing electrode 320 can be arranged on the second hard coat 720.

With reference to Fig. 7 and Fig. 8, in the touch window according to second embodiment, the first sensing electrode 310 and the second sensing electrode 320 can be arranged on two surfaces of substrate 100.

For example, the first sensing electrode 310 extended in one direction and the first electricity being connected with the first sensing electrode 310 Polar curve 410 can be arranged on a surface of substrate 100, and in the second sense upwardly extended from the different side in a direction The second line electrode 420 surveyed electrode 320 and be connected with the second sensing electrode 320 can be arranged on another surface of substrate 100.

Hard coat 700 can be arranged between substrate 100 and sensing electrode 300.Hard coat 700 can include first The hard coat 720 of hard coat 710 and second.

For example, the first hard coat 710 can be arranged on a surface of substrate 100, the first sensing electrode 310 and One electrode wires 410 can be arranged on the first hard coat 710, and the second hard coat 720 is arranged in a table with substrate 100 On the relative another surface in face, and the second sensing electrode 320 and the second line electrode 420 can be arranged in the second hard coat On 720.

In addition, lid substrate 101 can be arranged on a surface of substrate 100, and substrate 100 and lid substrate 101 can To be bonded to each other by the adhesion layer 800 including light transparent adhesive tape (OCA) or optical resin (OCR).

By with reference to touch window of Fig. 9 and Figure 10 descriptions according to 3rd embodiment.In figure 9 and in figure 10, identical element by Identical reference number is represented, and will omit repeated description.

In the touch window according to 3rd embodiment, substrate 110 and second substrate 120, the first hard coat 710 can be with cloth Put on first substrate 110, the first sensing electrode 310 can be arranged on the first hard coat 710, the second hard coat 720 It can be arranged on second substrate 120, and the second sensing electrode 320 can be arranged on the second hard coat 720.

Substrate 100 can include first substrate 110 and second substrate 120.

With reference to Fig. 9 and Figure 10, lid substrate 101, first substrate 110, the can be included according to the touch window of 3rd embodiment The second sensing electrode 320 in the first sensing electrode 310 and second substrate 120 on two substrates 120, first substrate 110.

In detail, the first sensing electrode 310 extended in one direction and be connected with the first sensing electrode 310 first Line electrode 410 can be arranged on a surface of substrate 110, and in second upwardly extended from the different side in a direction Sensing electrode 320 and the second line electrode 420 being connected with the second sensing electrode 320 can be arranged in one of second substrate 120 On surface.

Hard coat can be arranged on first substrate 110 and second substrate 120.

For example, the first hard coat 710 can be arranged on first substrate 110, the first sensing electrode 310 and First Line electricity Pole 410 can be arranged on the first hard coat 710.In addition, the second hard coat 720 can be arranged on second substrate 120, And the second sensing electrode 320 and second electrode line 420 can be arranged on the second hard coat 720.

Adhesion layer 800 can be arranged between lid substrate 101 and first substrate 110 and first substrate 110 and Between two substrates 120.Therefore, lid substrate 101, first substrate 110 and second substrate 120 can be bonded to each other.

Each there can be 4500nm or bigger in the thickness direction thereof in first substrate 110 and second substrate 120 Phase difference.

When any one in first substrate 110 and second substrate 120 is optical anisotropic film, it may occur that rainbow is existing As.Specifically, when display panel is organic electroluminescence display panel, it may occur that rainbow phenomena.

That is, in the touch window according to the embodiment, both first substrate 110 and second substrate 120 are in its thickness direction Upper phase difference and 100 μm or smaller of thickness with 4500nm or bigger so that rainbow phenomena and blackout phenomenon can be prevented. Further, since the thickness for touching window reduces, so flexible nature can be improved.

Display panel including Polarizer can also be arranged in below second substrate 120.Display panel can be organic hair Light display panel or liquid crystal display panel.

First substrate 110 and second substrate 120 can change the light transmitted by Polarizer.For example, the He of first substrate 110 Second substrate 120 can change the axis of the light transmitted by Polarizer.

When the uniaxial tension direction of second substrate 120 is x, the uniaxial tension direction of first substrate 110 can be with x into 90 degree To about 90 degree of angle.

When the uniaxial tension direction of second substrate 120 is x, the uniaxial tension direction of second substrate 120 and Polarizer Polarization direction can form the angle with 45 degree to about 45 degree of x.Here, the angle can be from touching according to the embodiment Touch the angle that the front portion of window is observed.

For example, due to second substrate 120 and the display panel including Polarizer is arranged to 45 degree of angle, thus when through When the light of display panel including Polarizer vibrates on the direction of an axle, the light through second substrate 120 can be at two Vibrated on the direction of axle so that can cross prevents blackout phenomenon.Therefore, when using polarized sunglasses, rainbow can be prevented The appearance of phenomenon.

By with reference to touch window of Figure 11 and Figure 12 descriptions according to fourth embodiment.In Figure 11 and Figure 12, identical element Represented by same reference numerals, and repeated description will be omitted.

Intermediate layer 850 can also be included according to the touch window of fourth embodiment, hard coat 700 can be arranged in substrate On 100 surface, the first sensing electrode 310 can be arranged on hard coat 700, and the second sensing electrode 320 can To be arranged on a surface in intermediate layer 850.

With reference to Figure 11 and Figure 12, the first sensing electrode 310 and the first line electrode 410 and the second line electrode 420 can be with cloth Put on intermediate layer 850, and lid substrate 101 can be arranged on intermediate layer 850.

Intermediate layer 850 can include the material different from the material of first substrate 100.For example, intermediate layer 850 can include Dielectric material.For example, intermediate layer 850 can include：Insulation group, it includes alkali metal or the halogen compounds of alkaline-earth metal is (all Such as, LiF, KCl, CaF₂Or MgF₂) or vitreous silica (such as, SiO₂, SiNX etc.)；Semiconductor group, it includes InP or InSb；Bag Include the In compounds (such as ITO or IZO) that are mainly used in transparency electrode is used for semiconductor or dielectric transparent oxide, or Person is such as used for semiconductor or dielectric transparent oxide for ZnOx, ZnS, ZnSe, TiOx, WOx, MoOx or ReOx；Have Machine semiconductor group, it includes Alq₃, NPB, TAPC, 2TNATA, CBP or Bphen；And dielectric materials, such as its sesquialter silicon Oxygen alkane or derivative ((H-SiO₃/₂) n), siloxanes ((CH₃—SiO₃/₂) n), porous silica or doped with fluorine or carbon atom Porous silica, porous zinc bloom (ZnOx), cyclisation fluoropolymer (CYTOP) or its mixture.

Intermediate layer 850 can have the transmission of visible light of about 75% to about 99%.In this case, intermediate layer 850 thickness is smaller than the thickness of substrate 100.In detail, the thickness in intermediate layer 850 can be the thickness of substrate 100 about 0.01 to about 0.1 times.For example, the thickness of substrate 100 can be about 0.1mm, and the thickness in intermediate layer 850 can be big About 0.001mm.However, disclosure not limited to this.

In addition, the area of section in intermediate layer 850 can be different from the area of section of substrate 100.In detail, intermediate layer 850 Area of section and the area of section less than substrate 100.

Intermediate layer 850 can be directly arranged on the top surface of substrate 100.That is, intermediate layer 850 can be by being disposed with Directly dielectric material is coated on the top surface of the substrate 100 of one sensing electrode 310 and is formed.After this, the second sensing electrode 320 can be arranged on intermediate layer 850.

Because intermediate layer 850 includes adhesion material, so the adhesion layer being arranged between intermediate layer 850 and substrate 100 can To omit.

Meanwhile, intermediate layer 850 and lid substrate 101 can be adhering to each other by adhesion layer.

That is, in the touch window according to the embodiment, hard coat 700 can be arranged on a surface of substrate 100, First sensing electrode 310, the first line electrode 310 and the second line electrode 420 can be arranged on hard coat 700, intermediate layer 850 It can be arranged on the first sensing electrode 310, the first line electrode 410 and the second line electrode 420, and the second sensing electrode 320 It can be arranged on a surface in intermediate layer 850.Although not shown in these figures, but it will be apparent that hard coat can be with It is arranged on a surface in intermediate layer 850.

Above-mentioned touch window can be by coupling applied to touching device with display panel.For example, touching window can pass through Adhesion layer is coupled to display panel.

With reference to Figure 13, the touch window that can include being arranged on display panel 900 according to the touching device of embodiment.In detail Ground, with reference to Figure 13, touching device can be formed by the way that substrate 110 and display panel 900 are coupled to each other.Substrate 100 and aobvious Show that panel 900 can be adhering to each other by adhesion layer 800.As described in Fig. 5, display panel 900 can include first substrate 910 With second substrate 920.In fig. 13, identical element is denoted by the same reference numerals, and will omit repeated description.

With reference to Figure 14, the touch window of display panel 900 is may comprise integrally formed according to the touching device of embodiment. I.e., it is possible to omit the substrate for supporting at least one sensing electrode.

In detail, at least one sensing electrode can be arranged at least one surface of display panel 900.I.e., at least One sensing electrode can be formed at least one surface in first substrate 910 and second substrate 920.

In this case, at least one sensing electrode, which can be formed, is being arranged at the upper part of display panel 900 Substrate top surface on.

With reference to Figure 14, the first sensing electrode 310 can be arranged on a surface of substrate 100.Furthermore, it is possible to be disposed with The First Line being connected with the first sensing electrode 310.In addition, the second sensing electrode 320 can be arranged in one of display panel 900 On surface.Furthermore, it is possible to be disposed with the second line being connected with the second sensing electrode 320.

Adhesion layer 800 is arranged between substrate 100 and display panel 900 so that substrate 100 and display panel 900 can be with It is bonded to each other.

In addition, Polarizer can also be arranged in below substrate 100.Polarizer can be line polarisation plate or antireflection polarisation Plate.For example, when display panel 900 is liquid crystal display panel, Polarizer can be line polarisation plate.In addition, when display panel 900 When being organic electroluminescence display panel, Polarizer can be anti-reflection polarizing plate.

In the touching device according to the embodiment, it is convenient to omit at least one substrate of support sensing electrode.Accordingly, it is capable to Enough form thickness of thin and lightweight touching device.

With reference to Figure 15, the touch window of display panel 900 is may comprise integrally formed according to the touching device of embodiment. I.e., it is possible to omit the substrate for supporting at least one sensing electrode.

For example, as the sensor for being arranged in the touch for applying electrical signals to sensing electrode in active area with sensing and line Sensing electrode can be formed in display panel.In detail, at least one sensing electrode or at least single line can be formed In display panel.

Display panel 900 includes first substrate 910 and second substrate 920.In this case, the first sensing electrode 310 And the second at least one in sensing electrode 320 can be arranged between first substrate 910 and second substrate 920.That is, at least one Individual sensing electrode can be arranged at least one surface of first substrate 910 or second substrate 920.

With reference to Figure 15, the first sensing electrode 310 can be arranged on a surface of substrate 100, furthermore, it is possible to be disposed with The First Line being connected with the first sensing electrode 310.In addition, the second sensing electrode and the second line can be formed in first substrate 910 Between second substrate 920.That is, the second sensing electrode 320 and the second line can be arranged in display panel 900, and first Sensing electrode 310 and First Line can be arranged in outside display panel 900.

Second sensing electrode 320 and the second line can form the back of the body of the top surface or second substrate 920 in first substrate 910 On surface.

In addition, Polarizer can also be arranged in below substrate 100.

When display panel 900 be liquid crystal display panel and the second sensing electrode formation first substrate 910 top surface When upper, the second sensing electrode can be formed together with thin film transistor (TFT) (TFT) or pixel electrode.In addition, when the second sensing electrode shape When on into the back surface in second substrate 920, colour filter can be formed in the second sensing electrode, or the second sensing electrode can To be formed on colour filter.When display panel 900 be organic electroluminescence display panel and the second sensing electrode formation in the first base When on the top surface of plate 910, the second sensing electrode can be formed together with TFT or organic light emitting apparatus.

In addition, sensing electrode and line are formed together with the device being formed in display panel, enabling simplify technique simultaneously Reduce cost.

Hereinafter, reality of the application according to the touching device of the touch window of above-described embodiment will be described referring to figures 16 to Figure 19 Example.

With reference to Figure 16, mobile terminal is shown as an example of touching device.Mobile terminal can include active area AA With passive region UA.Active area AA can be by the touch-sensing touch signal of finger, and can form in passive region UA life Make icon pattern part, mark etc..

With reference to Figure 17, touch window and can be applied not only to touching device, such as mobile terminal, and can be applied to automobile navigation System.

With reference to Figure 18, the flexible touch window that window can include being bent is touched.Therefore, the touch of flexible touch window is included Device can be flexible touch device equipment.Thus, user can be bent or bending flexible touch window by the hand of user.It is flexible Touch window and can be applied to wearable touch.

With reference to Figure 19, the interior section that window applies also for vehicle is touched.That is, touch window can be applied to various in vehicle Part.Therefore, touch window and can be applied to instrument board and personal navigation display (PND) so that can realize that central information shows Show device (CID).However, disclosure not limited to this, and it is clear that touching device can be used for various electrical equipment.

It is aobvious and easy to those skilled in the art although describing some embodiments of the present disclosure for illustration purposes What is seen is that can carry out various modifications and variations in the range of the disclosure in the case of without departing substantially from disclosure essential feature.

Therefore, previous embodiment should be considered as not limiting the technical spirit of the disclosure, and provide for illustrative purposes, Those skilled in the art are enabled to understand the spirit of the disclosure completely.

The scope of the present disclosure should not necessarily be limited by previous embodiment, but be defined by the following claims.With the scope of the present disclosure Technical spirit in essentially identical scope will be considered as falling in the scope of the present disclosure being defined by the appended claims.

Claims

1. one kind touches window, including

Substrate；

Sensing electrode, the sensing electrode is disposed on a surface of the substrate；

First anti-reflecting layer, first anti-reflecting layer is disposed on a surface of the sensing electrode；And

Second anti-reflecting layer, second anti-reflecting layer is disposed on another surface of the substrate,

Wherein, first anti-reflecting layer and second anti-reflecting layer include material different from each other,

Wherein, first anti-reflecting layer is arranged to directly contacts with the sensing electrode.

2. touch window according to claim 1, wherein, first anti-reflecting layer includes aluminum oxide, and

Wherein, second anti-reflecting layer includes silica (SiO₂) and titanium dioxide (TiO₂) at least one.

3. touch window according to claim 1, wherein, second anti-reflecting layer include the first sub second anti-reflecting layer with And it is arranged in the second sub second anti-reflecting layer on the described first sub second anti-reflecting layer.

4. touch window according to claim 3, wherein, first anti-reflecting layer, first sub second anti-reflecting layer There are refractive indices that are different from the described second sub second anti-reflecting layer.

5. touch window according to claim 4, wherein, the refractive index of first sub second anti-reflecting layer is more than described the The refractive index of two sub second anti-reflecting layers.

6. touch window according to claim 4, wherein, the refractive index of first anti-reflecting layer is less than first son the The refractive index of two anti-reflecting layers, and

Wherein, the refractive index of first anti-reflecting layer is more than the refractive index of the described second sub second anti-reflecting layer.

7. touch window according to claim 1, in addition to：The 3rd be arranged on another surface of the sensing electrode resists Reflecting layer,

Wherein, the 3rd anti-reflecting layer includes the first sub 3rd anti-reflecting layer and is arranged in the described first sub 3rd anti-reflecting layer On the second sub 3rd anti-reflecting layer,

Wherein, the refractive index of the described first sub 3rd anti-reflecting layer is more than the refractive index of the described second sub 3rd anti-reflecting layer.

8. touch window according to claim 1, wherein, first anti-reflecting layer has 70 μm to 100 μm of thickness.

9. touch window according to claim 1, wherein, the sensing electrode includes the first sensing electrode and the second sensing electricity Pole,

Wherein, the substrate has 4500nm or bigger phase difference in the thickness direction thereof.

10. touch window according to claim 1, in addition to：The hard coat of arrangement on the substrate,

Wherein, the hard coat is disposed between the substrate and the sensing electrode.

11. touch window according to claim 1, wherein, the substrate has optical anisotropic properties, and described Phase difference on the thickness direction of substrate is 4500nm to 10000nm.

12. touch window according to claim 1, wherein, the substrate has 100 μm or smaller of thickness.

13. a kind of touching device, including：

Touch window according to any one of claim 1 to 8；And

Display panel, the display panel is disposed on the touch window.

14. touching device according to claim 13, wherein, the substrate includes lid substrate.