CN106298861A - Organic electroluminescence display panel and manufacture method thereof - Google Patents
Organic electroluminescence display panel and manufacture method thereof Download PDFInfo
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- CN106298861A CN106298861A CN201610926749.8A CN201610926749A CN106298861A CN 106298861 A CN106298861 A CN 106298861A CN 201610926749 A CN201610926749 A CN 201610926749A CN 106298861 A CN106298861 A CN 106298861A
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- Prior art keywords
- control electrode
- touch control
- groove
- latticed
- shade
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The embodiment of the invention discloses a kind of organic electroluminescence display panel and manufacture method thereof.Wherein, organic electroluminescence display panel includes: organic illuminating element array base palte, cover the thin-film encapsulation layer of described organic illuminating element array base palte, described thin-film encapsulation layer includes at least one of which inorganic layer and at least one of which organic layer, groove it is provided with on organic layer described at least one of which, touch control electrode and shade, described touch control electrode and described shade are positioned at described groove, and described shade covers described touch control electrode.The technical scheme that the embodiment of the present invention provides, it is possible to resolve the touch control electrode reflected illumination light on its surface makes the visible problem of its figure.
Description
Technical field
The present embodiments relate to organic light emitting display technical field, particularly relate to a kind of organic electroluminescence display panel and
Manufacture method.
Background technology
Existing display floater the most all has the function of touch-control and display, has in the display floater of touch controllable function by touching
Control electrode realizes the detection of position of touch.
Touch control electrode is generally metal, and touch control electrode can reflect under visible light illumination, the most on a display panel
Just can be appreciated that the figure of touch control electrode, i.e. there will be the visible problem of touch control electrode figure.
Summary of the invention
The present invention provides a kind of organic electroluminescence display panel and manufacture method thereof, to solve touch-control electricity in existing display floater
The most visible problem.
First aspect, embodiments provides a kind of organic electroluminescence display panel, including:
Organic illuminating element array base palte;
Cover the thin-film encapsulation layer of described organic illuminating element array base palte, described thin-film encapsulation layer include at least one of which without
Machine layer and at least one of which organic layer, organic layer described at least one of which is provided with groove;
Touch control electrode and shade, described touch control electrode and described shade are positioned at described groove, and described shade covers
Cover described touch control electrode.
Second aspect, the embodiment of the present invention additionally provides the manufacture method of a kind of organic electroluminescence display panel, including:
Form organic light-emitting device array substrate;
Form the thin-film encapsulation layer covering described organic illuminating element array base palte, and formation is positioned at described thin-film package
Touch control electrode in Ceng and shade;
Wherein, described thin-film encapsulation layer includes at least one inorganic layer and at least one organic layer, has described at least one
Being provided with groove on machine layer, be formed with described touch control electrode and described shade in described groove, described shade covers described
Touch control electrode.
The technical scheme that the embodiment of the present invention provides, owing to touch control electrode is positioned at inside the thin-film encapsulation layer of display floater,
Avoiding the corrosion to touch control electrode such as extraneous steam, touch control electrode is blocked thing and is covered simultaneously, and shade has antireflection
Effect, prevent being radiated at light thereon and launch, solve the touch control electrode reflected illumination light on its surface, touch control electrode figure
The visible problem of shape.
Accompanying drawing explanation
Figure 1A is the generalized section that the present invention implements a kind of organic electroluminescence display panel provided;
Figure 1B is the generalized section that the present invention implements the another kind of organic electroluminescence display panel provided;
Fig. 1 C is the generalized section that the present invention implements the another kind of organic electroluminescence display panel provided;
Fig. 1 D is the schematic flow sheet that the present invention implements the manufacture method of a kind of organic electroluminescence display panel provided;
Fig. 1 E is the section of organic electroluminescence display panel manufacture method each step counter structure that the embodiment of the present invention provides
Figure;
Fig. 2 A is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 2 B is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 2 C is the profile in Fig. 2 B along A-A direction;
Fig. 2 D is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 3 A is the top view of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 3 B is the top view of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 4 A is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 4 B is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides;
Fig. 4 C is the profile in Fig. 4 B along B-B direction;
Fig. 4 D is the structural representation of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention is illustrate only rather than entire infrastructure in description, accompanying drawing.
The embodiment of the present invention provides a kind of organic electroluminescence display panel, and this panel includes:
Organic illuminating element array base palte;
Covering the thin-film encapsulation layer of organic light-emitting device array substrate, thin-film encapsulation layer includes at least one of which inorganic layer and extremely
Few one layer of organic layer, at least one of which organic layer is provided with groove;
Touch control electrode and shade, touch control electrode and shade are positioned at groove, and shade covers touch control electrode.
Exemplarily, the section that Figure 1A, Figure 1A are a kind of organic electroluminescence display panels that the embodiment of the present invention provides is seen
Schematic diagram.This display floater includes:
Organic illuminating element array base palte 11;
Covering the thin-film encapsulation layer 12 of organic light-emitting device array substrate 11, thin-film encapsulation layer 12 includes one layer of inorganic layer
121 and one layer of organic layer 122, organic layer 122 is provided with groove 13;
Touch control electrode 14 and shade 15, touch control electrode 14 and shade 15 are positioned at groove 13, and shade 15 covers and touches
Control electrode 14.
In the present embodiment, organic illuminating element array base palte 11 can include substrate 111, pixel-driving circuit 112 and have
Machine light-emitting device array 113, the side of substrate 111 is followed successively by pixel-driving circuit 112, organic illuminating element array 113 and thin
Film encapsulated layer 12.Specifically, organic illuminating element array 113 can include the organic illuminating element of multiple array arrangement, You Jifa
Optical element can include being formed the first electrode of stacking, organic luminous layer and the second electrode, and wherein organic luminous layer is positioned at the first electricity
Between pole and the second electrode.Pixel-driving circuit 112 can include multiple thin film transistor (TFT), is used for driving organic illuminating element array
In organic illuminating element luminous and show image.Wherein, substrate 11 can be flexible base board.The shape of touch control electrode 14 is permissible
Being latticed, such as touch control electrode 14 can be metal grid electrode.Shade 15 contacts with touch control electrode 14, and covers touch-control
Electrode, shade 15 is dark shade.The material of shade 15 is the organic material of doping carbon.Can be such as doping carbon
Polyimides PI.
In above-mentioned organic electroluminescence display panel structure, owing to electrode is positioned at inside thin-film encapsulation layer, it is to avoid extraneous water
The corrosion to touch control electrode such as vapour, touch control electrode is blocked thing and is covered simultaneously, and shade has antireflecting effect, prevents from shining
Penetrating light thereon to launch, can solve the touch control electrode reflected illumination light on its surface, touch control electrode figure is visible
Problem, and shade contacts with touch control electrode, and cover touch control electrode, it is possible to achieve shade preferably blocks touch-control electricity
Pole, solves the visible problem of touch control electrode figure.It addition, in the present embodiment, when touch control electrode is metal grid electrode, along hanging down
Straight in the direction of organic illuminating element array base palte, the projection on metal grid electrode of the pixel in display floater is positioned at metal
The void region of grid electrode, say, that the light that organic illuminating element sends provides through the void region of metal grill
To pixel.And existing ITO touch control electrode, the light that organic illuminating element sends needs to be supplied to pixel through ITO touch control electrode,
Using ITO touch control electrode relative to touching electrode, metal grid electrode has higher light transmittance.And touch control electrode uses metal
Square resistance during grid electrode is less, and the square resistance of such as metal grid electrode is usually no more than 1 ohm, and ITO touch-control
The square resistance of electrode has tens ohm.When using metal grid electrode, owing to metal is more vulnerable to corrosion, touch control electrode position
In thin-film encapsulation layer, the extraneous steam corrosion to touch control electrode can be avoided.
It should be noted that thin-film encapsulation layer 12 in Figure 1A is exemplarily provided with one layer of inorganic layer 121 and one layer
Organic layer 122, the number of plies of the inorganic layer of setting is one, and the number of plies of the organic layer of setting is also one, at its of the embodiment of the present invention
In his embodiment, the inorganic layer arranged in thin-film encapsulation layer and the number of plies of organic layer all can be more than one.It addition, Figure 1A is arranged
An inorganic layer 121 it is provided with, at its of the embodiment of the present invention between reeded organic layer and organic illuminating element array base palte
In his way of example, arrange and multiple inorganic layer also can be set between reeded organic layer and organic illuminating element array base palte
With multiple organic layers.Specifically, seeing Figure 1B, Figure 1B is the another kind of organic electroluminescence display panel that the embodiment of the present invention provides
Generalized section.Thin-film encapsulation layer 12 in this organic electroluminescence display panel includes inorganic layer 121, organic layer 122, inorganic layer
123 and organic layer 124, i.e. thin-film encapsulation layer include two-layer inorganic layer and two-layer organic layer.It is provided with groove on organic layer 124
13, touch control electrode 14 and shade 15 are positioned at groove 13, and, shade 15 covers touch control electrode 14.In Figure 1A organic
On the basis of light display floater, the organic layer of organic groove is set and deviates from the side of organic illuminating element array base palte and also can arrange
There are at least one inorganic layer and/or at least one organic layer.Specifically, see Fig. 1 C, Fig. 1 C be the embodiment of the present invention provide another
Plant the generalized section of organic electroluminescence display panel.On the basis of Figure 1A organic electroluminescence display panel, this display floater enters one
Step includes the inorganic layer 125 covering shade.Inorganic layer 125 is possible to prevent moisture and oxygen corrosion touch control electrode 14, further
The encapsulation performance of enhanced film encapsulated layer.In the organic electroluminescence display panel that the embodiment of the present invention provides, organic illuminating element
Array can contact with the inorganic layer 121 of thin-film encapsulation layer.I.e. after forming organic light-emitting device array, it is next formed into inorganic
Layer 121, this inorganic layer 121 and organic illuminating element array contact.Specifically can be formed organic illuminating element the first electrode,
After organic luminous layer, the second electrode, it is next formed into inorganic layer 121, inorganic layer 121 and the second electrode contact.Due to inorganic
Layer has stronger obstructing capacity, such as, intercept water and oxygen, it can be ensured that organic illuminating element is not affected by moisture and oxygen,
Improve the life-span of organic illuminating element.In the present embodiment, when thin-film encapsulation layer includes multiple organic layer and inorganic layer, permissible
Stop that moisture and oxygen enter inside organic illuminating element further, improve the life-span of organic illuminating element, it is ensured that encapsulation is reliable.
The embodiment of the present invention provides in organic electroluminescence display panel, and touch control electrode is corresponding with the shade covering touch control electrode
Arranging, touch control electrode upright projection on organic illuminating element array base palte is positioned at the shade of correspondence at organic illuminating element
In the upright projection of array base palte, i.e. shade is completely covered touch control electrode.Further, along being perpendicular to organic illuminating element battle array
The height sum of the direction of row substrate, touch control electrode and shade is less than or equal to the height of groove.In fig. ib, along vertical
Direction in organic illuminating element array base palte.Height sum d1 of the shade of touch control electrode is less than the height d2 of groove.?
In Fig. 1 C, the height sum of touch control electrode and shade is equal to the height of groove.Height sum etc. at touch control electrode and shade
When the height of groove, other film layers being subsequently formed on transparent touch electrode do not have uneven, so that other
Thicknesses of layers is uniform, it is ensured that the character of film layer itself and the optical property of display floater.
The embodiment of the present invention also provides for the manufacture method of a kind of organic electroluminescence display panel, can be used for making shown in Figure 1A
Organic electroluminescence display panel.Seeing Fig. 1 D, the method includes:
S110, form organic light-emitting device array substrate.
Organic light-emitting device array can be formed on substrate by evaporation or the technique such as sputtering, particular by evaporation or
Person sputters the first electrode forming organic illuminating element, after forming the first electrode, can be existed by techniques such as evaporation or sputterings
The side of the first electrode away from substrate substrate forms organic luminous layer and the second electrode.Wherein, the first electrode or the second electrode
Can be transparency electrode, semitransparent electrode or reflecting electrode, the material of the first electrode and the second electrode can include tin indium oxide
(ITO), any one in indium zinc oxide (IZO), stannum oxide (SnO2), zinc oxide (ZnO), Al, Ag or Mg etc. or two kinds with
On combination.
S120, formed cover organic light-emitting device array substrate thin-film encapsulation layer, and formed be positioned at thin-film encapsulation layer
Interior touch control electrode and shade.
Wherein, thin-film encapsulation layer includes at least one inorganic layer and at least one organic layer, and at least one organic layer sets
Being equipped with groove, be formed with touch control electrode and shade in groove, shade covers touch control electrode.
Specifically can be sunk by physical vapor by the organic layer in film forming formation of deposits thin-film encapsulation layer and inorganic layer
Organic layer in the technique formation thin-film encapsulation layer such as long-pending, chemical gaseous phase deposition, ald, spin coating, inkjet printing or nothing
Machine layer.Organic layer can be formed with polymer, it may include polyethylene terephthalate, polyimides, Merlon, epoxy
The sedimentary that the monolayer of a kind of material formation in resin, polyethylene and polyacrylate or multiple material are formed.Inorganic layer can
The sedimentary formed with the sedimentary or multiple material that include a kind of material formation in metal-oxide and metal nitride.More
Specifically, inorganic layer can include the sedimentary of a kind of material formation in SiNx, Al2O3, SiO2 and TiO2 or multiple material
The sedimentary that material is formed.In the present embodiment, reeded organic layer, touch control electrode are set and cover the shading of touch control electrode
Thing all can be formed by inkjet printing.Specifically, by inkjet printing when formation of deposits closes on an organic layer of touch control electrode,
Directly forming groove, i.e. organic layer on this organic layer can be by technique shape together with inkjet printing with the groove on this organic layer
Become.Then forming touch control electrode in the groove of organic layer by inkjet printing, the material of touch control electrode can be nano metal line,
Such as nano-silver thread.After forming touch control electrode, formed the shade covering touch control electrode in a groove by inkjet printing, hide
Light thing can be dark shade, and the material of shade can be the organic material of doping carbon.
Specifically, introducing the detailed process of the manufacture method of above-mentioned display floater below with an example, Fig. 1 E is the present invention
The profile of display floater manufacture method each step counter structure that embodiment provides.
Form organic light-emitting device array substrate 11.
By inkjet printing formation of deposits inorganic layer 121 on organic illuminating element array base palte 11.
Deviated from the side formation of deposits organic layer of organic illuminating element array base palte 11 at inorganic layer 121 by inkjet printing
122 and the groove 13 that is positioned on organic layer 122.
In groove 13, touch control electrode 14 is formed by inkjet printing.
In groove 14, the shade 15 covering touch control electrode 14 is formed by inkjet printing.
Formed by inkjet printing and reeded organic layer be set, it is not necessary to form groove by techniques such as exposure and etchings,
Can prevent exposure process from causing the properties of materials of organic illuminating element to be decayed, and acid or the alkalescence medicinal liquid in etching process is rotten
The organic layer of erosion thin-film encapsulation layer or inorganic layer.Form touch control electrode by inkjet printing is interior in a groove and covers touch-control electricity
The shade of pole, owing to being sprayed in groove after the formation ink droplet of touch control electrode material and the material of shade, formation
The position skew of touch control electrode and shade is relatively low, the position deviation of touch control electrode and shade will not occurs as the mode of exposure
Big problem.Specifically, if in embodiments of the present invention, form the groove on organic layer by Exposure mode and be positioned at groove
Interior electric shock electrode and shade, when forming touch control electrode, mask to be used carries out para-position with the groove on inorganic layer, formation
The position deviation of touch control electrode and shade is relatively big, and easily the position beyond groove forms touch control electrode and shade, and
The shade formed will not be completely covered touch control electrode, and the partial graphical causing touch control electrode is visible, it is impossible to solves touch control electrode
The visible problem of figure.In embodiments of the present invention in groove structure, inkjet printing mode is used to form touch control electrode and shading
Thing, can be sprayed in groove after the formation ink droplet of the material of touch control electrode material and shade, and sprays in a groove
The ink droplet being coated with is easier to flow in groove, and touch control electrode and the shade owing to being formed is all located in groove, by spray
Ink forms touch control electrode and shade in being printed upon groove, and the shade of formation can be completely covered touch control electrode, preferably solve
The certainly visible problem of touch control electrode figure.
In this embodiment, after forming organic light-emitting device array substrate, formed at first and cover organic illuminating element battle array
One layer of inorganic layer of row substrate.Owing to inorganic layer has stronger obstructing capacity, such as, intercepting moisture and oxygen, this of formation is inorganic
Layer is for encapsulating organic light emitting element arrays, it can be ensured that organic illuminating element is not affected by moisture and oxygen, improves organic
The life-span of light-emitting component.
Optionally, Fig. 2 A is the structural representation of a kind of organic electroluminescence display panel that the embodiment of the present invention provides.Wherein,
The most not shown touch control electrode and shade, Fig. 2 B shows tactile on the basis of the organic electroluminescence display panel shown in Fig. 2 A
Control electrode and shade, Fig. 2 C is the profile in Fig. 2 B along A-A direction.See Fig. 2 A-2C, this organic electroluminescence display panel bag
Include organic illuminating element array base palte 11, cover the thin-film encapsulation layer 12 of organic light-emitting device array substrate 11, thin-film encapsulation layer
12 include one layer of inorganic layer 121 and one layer of organic layer 122, and organic layer 122 is provided with multiple groove 130 being arranged in array;
Touch control electrode and shade are positioned at groove 13, and groove 130 is latticed, and groove 130 is at organic illuminating element array base palte 11
Upright projection be lattice-like pattern.Shade covers touch control electrode.Wherein, touch control electrode includes multiple net being arranged in array
Trellis touch control electrode 140, the material of latticed touch control electrode can be nano metal line.Shade includes multiple latticed shade
150, the circumference of latticed touch control electrode 140 and latticed shade 150 is block, latticed touch control electrode 140 and net
Cellular shades 150 is positioned at groove 130, and latticed shade 150 nerve of a covering trellis touch control electrode 140.
In the organic electroluminescence display panel shown in Fig. 2 A, touch control electrode and groove are latticed.Implement in the present invention
In the another kind of display floater that example provides, groove can not be latticed, specifically, sees Fig. 2 D, the groove being arranged in array
Touch control electrode 140 and shade (shade is not shown) it is provided with in 130.
Correspondingly, embodiments providing the manufacture method of another kind of organic electroluminescence display panel, the method can be used
In making the organic electroluminescence display panel shown in Fig. 2 A-2C, the method includes:
S210, form organic light-emitting device array substrate 11.
S220, there iing formation of deposits inorganic layer 121 on formation machine light-emitting device array substrate 11 by inkjet printing.
S230, it is provided with the organic layer of multiple latticed groove 130 by inkjet printing formation of deposits on inorganic layer 121
122。
Wherein, latticed groove 130 and organic layer 121 by with along with technique formed, multiple latticed groove 130 is in array
Arrangement.
In multiple latticed grooves 130, multiple latticed touch control electrode 140 are formed by inkjet printing;
In multiple latticed grooves 130, the shading covering multiple latticed touch control electrode 140 is formed by inkjet printing
Thing 150.
Wherein, shade 150 is also trellis state, shade 150 grid coverage state touch control electrode 140.Shade is only
The electrode part of grid, the not void region of nerve of a covering trellis touch control electrode is formed in nerve of a covering trellis touch control electrode.
In the present embodiment, touch control electrode i.e. as touch-control drive electrode again as touch-control sensing electrode.When on touch-control rank
Duan Shi, each touch control electrode is sequentially input touch-control and is driven signal, and detected the signal in each touch control electrode.Send out when there being touch event
Time raw, couple between each touch control electrode and body capacitance, thus change the capacitance of touch control electrode.According to receiving each touch-control electricity
The signal extremely gone up, determines the capacitance change of touch control electrode, and then determines touch location.
Optionally, Fig. 3 A is the top view of the another kind of organic electroluminescence display panel that the embodiment of the present invention provides.At Figure 1A
On the basis of shown organic electroluminescence display panel, touch control electrode includes multiple first latticed touch control electrode 141 and multiple
Two latticed touch control electrode 142, multiple first latticed touch control electrode 141 and multiple second latticed same layer of touch control electrode 142
Insulation is arranged, and the material of the first latticed touch control electrode and the second latticed touch control electrode can be nano metal line.Groove includes
Multiple first grooves 131 and multiple second groove 132, wherein, multiple first grooves 131 are at organic illuminating element array base palte 11
On the circumference of upright projection be interconnective multiple polygon, the second groove 132 be positioned at adjacent first groove 131 it
Between, and the circumference of the upright projection that multiple second groove 132 is on organic illuminating element array base palte 11 be matrix form row
Multiple polygons of row, multiple first groove 131 X in the first direction arrangements, multiple second groove 132 Y in a second direction arrangements,
First direction X intersects with second direction Y, is preferably vertical.First latticed touch control electrode 141 is positioned at the first groove 131, the
Two latticed touch control electrode 142 are positioned at the second groove 132, wherein, can pass through to lead between the second latticed touch control electrode 132
Electricity bridge 17 electrically connects.
Not covering shade in organic electroluminescence display panel shown in Fig. 3 A, the organic electroluminescence display panel of Fig. 3 B shows
Shade, shade include multiple latticed shade 151, multiple latticed shades 151 cover multiple first latticed touch
Control electrode 141 and multiple second latticed touch control electrode 142.It can be seen that latticed shade cover multiple first latticed touch
After control electrode and multiple second latticed touch control electrode, do not appear the first latticed touch control electrode and the second latticed touch-control electricity
Pole.
In the present embodiment, the first latticed touch control electrode is as touch-control drive electrode, and the second latticed touch control electrode is made
For touch-control sensing electrode, or the first latticed touch control electrode is as touch-control sensing electrode, the second latticed touch control electrode conduct
Touch-control drive electrode.When the touch-control stage, each touch-control drive electrode is sequentially input touch-control and is driven signal, each touch-control sensing electrode
Output detections signal, when there being touch event to occur, couples between each touch-control drive electrode with each touch-control sensing electrode, thus changes
Become the capacitance between touch-control drive electrode and touch-control sensing electrode.According to the detection letter receiving the output of each touch-control sensing electrode
Number, determine the variable quantity of electric capacity, and then determine touch location.
Correspondingly, embodiments providing the manufacture method of another kind of organic electroluminescence display panel, the method can be used
In making the organic electroluminescence display panel shown in Fig. 3 A or Fig. 3 B, the method includes:
S310, form organic light-emitting device array substrate 11.
S320, by inkjet printing formation of deposits inorganic layer 121 on organic illuminating element array base palte 11.
S330, inkjet printing formation of deposits on inorganic layer 121 is provided with multiple first groove 131 and multiple second
The organic layer 122 of groove 132.
The most multiple first grooves 131, multiple second groove 132 and organic layer 122 is by inkjet printing technique shape together with this
Become.
S340, in multiple first grooves 131, form multiple first touch control electrode 141 by inkjet printing, and many
Multiple second touch control electrode 142 are formed in individual second groove 132.
Wherein, the first touch control electrode 141 and the second touch control electrode 142 are latticed touch control electrode, and the first groove 131
Shape identical with the shape of the first touch control electrode 141, the shape of the second groove 132 and the shape phase of the second touch control electrode 142
With.
S350, by inkjet printing formed in multiple first grooves 131 and multiple second groove 132 covering multiple first
Touch control electrode 141 and the shade of multiple second touch control electrode 142.
In other embodiments of the embodiment of the present invention, by inkjet printing at multiple first grooves 131 and multiple
After forming, in two grooves 132, the shade covering multiple first touch control electrode 141 and multiple second touch control electrode 142, also may be used
To form at least one organic layer and/or an inorganic layer.
Optionally, Fig. 4 A is the structural representation of a kind of organic electroluminescence display panel that the embodiment of the present invention provides.Wherein,
The most not shown touch control electrode and shade, Fig. 4 B shows on the basis of the organic electroluminescence display panel shown in Fig. 4 A
Touch control electrode and shade, Fig. 2 C is the profile of the part of display floater in Fig. 2 B.See Fig. 4 A-Fig. 4 C, this organic light emission
Display floater includes: organic illuminating element array base palte 11, covers the thin-film encapsulation layer 12 of organic light-emitting device array substrate 11,
Thin-film encapsulation layer 12 includes inorganic layer the 121, first organic layer 122, inorganic layer 123 and the second organic layer 124.First organic layer
122 sides deviating from organic illuminating element array base palte 11 are provided with multiple first groove 131, and the second organic layer 134 deviates to be had
The side of machine light-emitting device array substrate 11 is provided with multiple second groove 132;First groove X in the first direction arranges, and second
Groove Y in a second direction arranges, and first direction X intersects with second direction Y, can be preferably vertical.Touch control electrode includes multiple
One latticed touch control electrode 141 and multiple second latticed touch control electrode 142, multiple first latticed touch control electrode 141 are with many
Individual second latticed touch control electrode 142 insulation intersects, multiple first latticed touch control electrode 141 and multiple second latticed touch-control
The different layer of electrode 142 is arranged;Multiple first latticed touch control electrode 141 are positioned at multiple first groove 131, multiple second latticed
Touch control electrode 142 is positioned at multiple second groove 132, wherein, the first latticed touch control electrode and the second latticed touch control electrode
Material can be nano metal line..Shade includes multiple latticed shade 151, multiple trellis state shade 151 also positions
In groove, and multiple latticed shade 151 cover multiple first latticed touch control electrode 141 and multiple second latticed touch
Control electrode 142.As shown in Figure 4 B, latticed shade 151 is by the first latticed touch control electrode 141 and the second latticed touch-control electricity
Pole 142 covers, and does not appears the first latticed touch control electrode 141 and the second latticed touch control electrode 142.
From Fig. 4 B with 4C it will be seen that the first groove 131 is identical with the shape of the first latticed touch control electrode 141, second
Groove 132 is identical with the shape of the second latticed touch control electrode 142.
In the organic electroluminescence display panel shown in Fig. 4 A-4C, touch control electrode is identical with the shape of groove, is grid
Shape.In the another kind of display floater that the embodiment of the present invention provides, the shape of groove is different from the shape of touch control electrode.Specifically
Ground, sees Fig. 4 D, and the first latticed touch control electrode 141 and the second latticed touch control electrode 142 lay respectively at the first groove 131 He
In second groove 132, the first groove 131 and the second groove 132 are not latticed, and are provided with a touch-control in each groove
Electrode and a shade (shade is not shown).
In the present embodiment, the first latticed touch control electrode is as touch-control drive electrode, and the second latticed touch control electrode is made
For touch-control sensing electrode, or the first latticed touch control electrode is as touch-control sensing electrode, the second latticed touch control electrode conduct
Touch-control drive electrode.When the touch-control stage, each touch-control drive electrode is sequentially input touch-control and is driven signal, each touch-control sensing electrode
Output detections signal, couples between each touch-control drive electrode with each touch-control sensing electrode, thus changes touch-control drive electrode and touch
Capacitance between control sensing electrode.The method of detection touch point position drives for each touch-control drive electrode sequentially inputs touch-control
Signal, receives the detection signal of output simultaneously at each touch-control sensing electrode, so can obtain all touch-control drive electrodes and touch
The capacitance size of control sensing electrode joint, the capacitance size of the two dimensional surface of the most whole display floater, according to display floater
Two-dimentional capacitance change data, the coordinate of touch point can be calculated.
Correspondingly, embodiments providing the manufacture method of another kind of display floater, the method can be used for making figure
Display floater shown in 4A-4B, the method includes:
S410, form organic light-emitting device array substrate 11.
S420, by inkjet printing formation of deposits inorganic layer 121 on organic illuminating element array base palte 11.
S430, it is provided with the first organic layer 122 of multiple first groove by inkjet printing formation of deposits.
Specifically, inorganic layer 121 deviate from organic illuminating element array base palte 11 side formed be provided with multiple first
First organic layer 122 of groove 131, and the first groove 131 is positioned at the first organic layer 122 and deviates from organic illuminating element array base palte
The side of 11.
S440, in multiple first grooves 131, form multiple first touch control electrode 141 by inkjet printing.
S450, by inkjet printing formed in multiple first grooves 131 cover multiple first touch control electrode 141 shading
Thing 151.
S460, by inkjet printing formed cover the first organic layer 122 inorganic layer 123.
S470, it is provided with the second organic layer 124 of multiple second groove 132 by inkjet printing formation of deposits.
Specifically, inorganic layer 123 deviate from organic illuminating element array base 11 side formed be provided with multiple second groove
Second organic layer 124 of 132, and the second groove 132 is positioned at the second organic layer 124 and deviates from organic illuminating element array base palte 11
Side.
S480, in multiple second grooves 132, form multiple second touch control electrode 142 by inkjet printing.
S490, by inkjet printing formed in multiple second grooves 132 cover multiple second touch control electrode 142 shading
Thing.
Wherein, the first touch control electrode and the second touch control electrode are latticed touch control electrode, and the shape of the first groove and
The shape of the first touch control electrode is identical, and the shape of the second groove is identical with the shape of the second touch control electrode.Cover the first touch-control electricity
The shade of pole and the second touch control electrode is also latticed, shade can the electrode zone of nerve of a covering trellis touch control electrode, do not cover
The void region of cover net trellis touch control electrode.
It addition, by inkjet printing is formed in multiple second grooves covering multiple second touch control electrode shade it
After, also can form at least one inorganic layer and/or at least one organic layer.
By above description, the organic electroluminescence display panel that the embodiment of the present invention provides includes: organic illuminating element
Array base palte, covers the thin-film encapsulation layer of organic light-emitting device array substrate, thin-film encapsulation layer include at least one of which inorganic layer and
At least one of which organic layer, organic layer described at least one of which is provided with groove, touch control electrode and shade, touch control electrode and shading
Thing is positioned at described groove, and shade covers described touch control electrode.Owing to touch control electrode is positioned at the thin-film encapsulation layer of display floater
Internal, it is to avoid the corrosion to touch control electrode such as extraneous steam.Touch control electrode is blocked thing and is covered simultaneously, and shade has anti-
The effect of reflection, prevents being radiated at light thereon and launches, and solves the touch control electrode reflected illumination light on its surface, touch-control electricity
The visible problem of pole figure.Further, in thin-film encapsulation layer, distance organic illuminating element array base palte is one layer of inorganic layer recently, nothing
Machine layer has stronger water oxygen obstructing capacity, it can be ensured that the relieved package of organic electroluminescence display panel.The present invention implements to provide
The manufacture method of organic electroluminescence display panel form the inorganic layer in thin-film encapsulation layer by inkjet printing and be provided with recessed
The organic layer of groove, can avoid using in gold-tinted technical process cause organic illuminating element characteristic attenuation and to organic layer or
Inorganic layer causes corrosion, organic layer and the groove being arranged on organic layer can be formed by technique together with inkjet printing, saves technique
Flow process.After formation arranges reeded organic layer, form touch control electrode by inkjet printing is interior in a groove and covers touch-control
The shade of electrode, owing to being sprayed in groove after the formation ink droplet of touch control electrode material and the material of shade, is formed
Touch control electrode and shade position skew relatively low, will not as exposure mode occur that the position of touch control electrode and shade is inclined
The problem that difference is big.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (18)
1. an organic electroluminescence display panel, it is characterised in that including:
Organic illuminating element array base palte;
Covering the thin-film encapsulation layer of described organic illuminating element array base palte, described thin-film encapsulation layer includes at least one of which inorganic layer
With at least one of which organic layer, organic layer described at least one of which is provided with groove;
Touch control electrode and shade, described touch control electrode and described shade are positioned at described groove, and described shade covers institute
State touch control electrode.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that described touch control electrode is at described organic
Upright projection on optical component array substrate is positioned at described shade the hanging down at described organic illuminating element array base palte of correspondence
Deliver directly in shadow.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that along being perpendicular to described organic illuminating element
The direction of array base palte, the height sum of described touch control electrode and described shade is less than or equal to the height of described groove.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that described shade is dark shade.
Organic electroluminescence display panel the most according to claim 4, it is characterised in that the material of described shade is doping carbon
Organic material.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that described touch control electrode includes multiple in battle array
The latticed touch control electrode of row arrangement, described shade includes multiple latticed shade, described latticed touch control electrode and institute
The circumference stating latticed shade is bulk;Described latticed touch control electrode and described latticed shade are positioned at described recessed
In groove, and described latticed shade covers described latticed touch control electrode.
Organic electroluminescence display panel the most according to claim 6, it is characterised in that described groove is in described organic light emission unit
Part array base palte be projected as multiple lattice-like pattern being arranged in array.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that described touch control electrode includes multiple first
Latticed touch control electrode and multiple second latticed touch control electrode, the plurality of first latticed touch control electrode and the plurality of
Two latticed touch control electrode are arranged with layer insulation;
Described groove includes multiple first groove and multiple second groove, and described shade includes multiple latticed shade;Institute
Stating the first latticed touch control electrode and be positioned at described first groove, described second latticed touch control electrode is positioned at described second groove
In, and the plurality of latticed shade cover the plurality of first latticed touch control electrode and the plurality of second latticed touch
Control electrode.
Organic electroluminescence display panel the most according to claim 8, it is characterised in that the plurality of first groove has described
The circumference of the upright projection on machine light-emitting device array substrate is interconnective multiple polygon;
The plurality of second groove is between adjacent described first groove, and the plurality of second groove is at described organic light emission
The circumference of the upright projection on component array baseplate is multiple polygons of matrix arrangement;
The plurality of first groove is arranged in the first direction, and the plurality of second groove is arranged in a second direction, described first party
To vertical with described second direction.
Organic electroluminescence display panel the most according to claim 1, it is characterised in that described touch control electrode includes multiple
One latticed touch control electrode and multiple second latticed touch control electrode, the plurality of first latticed touch control electrode and the plurality of
Second latticed touch control electrode insulation intersects, the plurality of first latticed touch control electrode and the plurality of second latticed touch-control
The different layer of electrode is arranged;Described shade includes multiple latticed shade;
Described thin-film encapsulation layer includes that the first organic layer and second has layer;Described first organic layer is provided with multiple first recessed
Groove;Described second organic layer is provided with multiple second groove;
The plurality of first latticed touch control electrode is positioned at the plurality of first groove, the plurality of second latticed touch-control electricity
Pole is positioned at the plurality of second groove, and the plurality of latticed shade covers the plurality of first latticed touch control electrode
With the plurality of second latticed touch control electrode;
Described first groove is arranged in the first direction, and described second groove is arranged in a second direction, and described first direction is with described
Second direction is intersected.
11. organic electroluminescence display panels described in-10 any one according to Claim 8, it is characterised in that described first groove and
The shape of described first latticed touch control electrode is identical, described second groove and the shape phase of described second latticed touch control electrode
With.
12. organic electroluminescence display panels according to claim 11, it is characterised in that the material of described touch control electrode is for receiving
Rice metal wire.
13. organic electroluminescence display panels according to claim 1, it is characterised in that described organic illuminating element array base
Plate is flexible base board.
The manufacture method of 14. 1 kinds of organic electroluminescence display panels, it is characterised in that including:
Form organic light-emitting device array substrate;
Form the thin-film encapsulation layer covering described organic illuminating element array base palte, and formation is positioned at described thin-film encapsulation layer
Touch control electrode and shade;
Wherein, described thin-film encapsulation layer includes at least one inorganic layer and at least one organic layer, at least one described organic layer
On be provided with groove, be formed with described touch control electrode and described shade in described groove, described shade covers described touch-control
Electrode.
15. manufacture methods according to claim 14, it is characterised in that described touch control electrode includes multiple being arranged in array
Latticed touch control electrode;
Described formation covers the thin-film encapsulation layer of described organic illuminating element array base palte, and formation is positioned at described thin-film package
Touch control electrode and shade in Ceng include:
An organic layer of multiple latticed groove it is provided with by inkjet printing formation of deposits;
In the plurality of latticed groove, the plurality of latticed touch control electrode is formed by inkjet printing;
In the plurality of latticed groove, the described screening covering the plurality of latticed touch control electrode is formed by inkjet printing
Light thing.
16. manufacture methods according to claim 14, it is characterised in that described touch control electrode includes multiple first touch-control electricity
Pole and multiple second touch control electrode;The plurality of first touch control electrode and the plurality of second touch control electrode are arranged with layer insulation;
Described formation covers the thin-film encapsulation layer of described organic illuminating element array base palte, and formation is positioned at described thin-film package
Touch control electrode and shade in Ceng include:
Inkjet printing formation of deposits is provided with multiple first groove and an organic layer of multiple second groove;
Multiple first touch control electrode is formed by inkjet printing in the plurality of first groove, and the plurality of second recessed
Multiple second touch control electrode are formed in groove;Wherein, described first touch control electrode and described second touch control electrode are latticed touching
Control electrode, and the shape of described first groove is identical with the shape of described first touch control electrode, the shape of described second groove and
The shape of described second touch control electrode is identical.
By inkjet printing formed in the plurality of first groove and multiple second groove covering multiple first touch control electrode and
The shade of multiple second touch control electrode.
17. manufacture methods according to claim 14, it is characterised in that described touch control electrode includes multiple first touch-control electricity
Pole and multiple second touch control electrode;The plurality of first touch control electrode and the plurality of second touch control electrode insulation intersect;Described
Thin-film encapsulation layer includes the first organic layer and the second organic layer;
Described formation covers the thin-film encapsulation layer of described organic illuminating element array base palte, and formation is positioned at described thin-film package
Touch control electrode and shade in Ceng include:
Described first organic layer of multiple first groove it is provided with by inkjet printing formation of deposits;
In the plurality of first groove, multiple first touch control electrode is formed by inkjet printing;
In the plurality of first groove, the shade covering the plurality of first touch control electrode is formed by inkjet printing;
Described second organic layer of multiple second groove it is provided with by inkjet printing formation of deposits;
In the plurality of second groove, multiple second touch control electrode is formed by inkjet printing;
In the plurality of second groove, the shade covering the plurality of second touch control electrode is formed by inkjet printing;
Wherein, described first touch control electrode and described second touch control electrode are latticed touch control electrode, and described first groove
Shape identical with the shape of described first touch control electrode, the shape of described second groove and the shape of described second touch control electrode
Identical.
18. manufacture methods according to claim 14, it is characterised in that be positioned at described thin-film encapsulation layer in described formation
Touch control electrode and shade after, also include:
By an inkjet printing formation of deposits at least inorganic layer and/or at least one organic layer.
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