CN107579099A - A kind of display panel, its preparation method and display device - Google Patents
A kind of display panel, its preparation method and display device Download PDFInfo
- Publication number
- CN107579099A CN107579099A CN201710751645.2A CN201710751645A CN107579099A CN 107579099 A CN107579099 A CN 107579099A CN 201710751645 A CN201710751645 A CN 201710751645A CN 107579099 A CN107579099 A CN 107579099A
- Authority
- CN
- China
- Prior art keywords
- electrode
- sub
- anode
- ink droplet
- display panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of display panel,Its preparation method and display device,By setting the evoked electrode with each anodized insulation between each anode,And evoked electrode is set to be located in the orthographic projection of underlay substrate in orthographic projection of the pixel defining layer in underlay substrate,Can be during the luminescent layer of display panel be prepared using InkJet printing processes,Pass through the electrically charged polarity identical electric charge of ink droplet institute to evoked electrode loading and ink-jet,According between electric charge, identical charges repel each other,The effect that there is a natural attraction between the sexes,During InkJet printing processes,The ink droplet of luminous organic material can be avoided to be sprayed onto in pixel defining layer,Ink droplet to be squeezed on the anode for the sub-pix to be printed,And then the ink droplet of the luminous organic material of spraying is precisely effectively entered in the specific open area of sub-pix and form luminescent layer,The problem of avoiding causing colour mixture.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel, its preparation method and display device.
Background technology
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display have low energy consumption, from
The advantages that luminous, wide viewing angle and fast response time, be one of the focus in current display research field, it is considered to be the next generation is aobvious
Show technology.
At present, the thin film-forming method of the luminescent layer in OLED display mainly has evaporation mode and inkjet printing mode.Using
Evaporation mode film forming applies more maturation in small size OLED display is prepared, and uses inkjet printing mode film forming due to it
Rate of film build is fast, stock utilization is higher, it is in large size to realize, it is considered to be large scale OLED display realizes volume production
Important way.Pixel defining layer is made generally when making luminescent layer, it is necessary on substrate to limit the area where each sub-pix
Domain, make luminescent layer in the specific open area of corresponding sub-pix using InkJet printing processes afterwards.However, using spray
During black printing technology makes luminescent layer, the ink droplet for the luminous organic material that ink jet printing device sprays can be sprayed onto picture
Element is defined on layer, causes luminous organic material accurately can not enter in the specific open area of sub-pix, and also result in
Ink droplet is stopped in pixel defining layer or even slipped into adjacent sub-pix, the problem of so as to cause colour mixture.
Based on this, how ink droplet is entered in the specific open area of sub-pix, be people in the art
Member's technical problem urgently to be resolved hurrily.
The content of the invention
The embodiment of the present invention provides a kind of display panel, its preparation method and display device, to using inkjet printing
When technique prepares luminescent layer, ink droplet can be made precisely effectively to fall into sub-pix, and avoid ink droplet in pixel defining layer
The problem of stopping, and then avoiding colour mixture.
Therefore, the embodiments of the invention provide a kind of display panel, including：Underlay substrate, on the underlay substrate
Multiple sub-pixs and the pixel defining layer between each sub-pix, each sub-pix include being sequentially located at described
Anode, luminescent layer and negative electrode on underlay substrate；The display panel also includes：The induction set with each anodized insulation
Electrode；The evoked electrode is located at positive throwing of the pixel defining layer in the underlay substrate in the orthographic projection of the underlay substrate
In shadow；
The evoked electrode is used for using InkJet printing processes when the anode forms the luminescent layer, loading and ink-jet
The electrically charged polarity identical electric charge of ink droplet institute.
Correspondingly, the embodiment of the present invention additionally provides a kind of any of the above-described kind of display panel provided in an embodiment of the present invention
Preparation method, including：
The figure of each anode, the pixel defining layer and the evoked electrode is formed on the underlay substrate；
Spray electrically charged ink droplet on the anode using InkJet printing processes, and to spray the anode loading of ink droplet with
The electrically charged opposite polarity electric charge of the ink droplet institute, and to evoked electrode loading and the electrically charged polarity phase of ink droplet institute
Same electric charge, form the figure of luminescent layer.
Correspondingly, the embodiment of the present invention additionally provides a kind of display device, including above-mentioned provided in an embodiment of the present invention
A kind of display panel.
The present invention has the beneficial effect that：
Display panel, its preparation method and display device provided in an embodiment of the present invention, by being set between each anode
With the evoked electrode of each anodized insulation, and evoked electrode is set to be located at pixel defining layer in substrate base in the orthographic projection of underlay substrate
, can be during the luminescent layer of display panel be prepared using InkJet printing processes, by induction electricity in the orthographic projection of plate
Pole load with the electrically charged polarity identical electric charge of the ink droplet of ink-jet institute, according to the effect that identical charges repel each other between electric charge, there is a natural attraction between the sexes,
During InkJet printing processes, the ink droplet of luminous organic material can be avoided to be sprayed onto in pixel defining layer, by ink droplet
On the anode for squeezing the sub-pix to be printed, and then the ink droplet of the luminous organic material of spraying is set precisely effectively to enter
Enter in the specific open area of sub-pix and form luminescent layer, the problem of avoiding causing colour mixture.
Brief description of the drawings
Fig. 1 a are one of cross-sectional view of display panel provided in an embodiment of the present invention；
Fig. 1 b are the two of the cross-sectional view of display panel provided in an embodiment of the present invention；
Fig. 1 c are the three of the cross-sectional view of display panel provided in an embodiment of the present invention；
Fig. 2 a are one of overlooking the structure diagram of display panel provided in an embodiment of the present invention；
Fig. 2 b are the two of the overlooking the structure diagram of display panel provided in an embodiment of the present invention；
Fig. 2 c are the three of the overlooking the structure diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is the flow chart of preparation method provided in an embodiment of the present invention；
Fig. 4 a to Fig. 4 e are respectively that the cross-sectional view after each step is performed in example IV；
Fig. 5 a to Fig. 5 f are respectively that the cross-sectional view after each step is performed in embodiment five.
Embodiment
In order that the purpose of the present invention, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings, to the embodiment of the present invention
The embodiment of the display panel of offer, its preparation method and display device is described in detail.It is it should be appreciated that following
Described preferred embodiment is merely to illustrate and explain the present invention, and is not intended to limit the present invention.And in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Each layer film thickness and shape do not reflect the actual proportions of display panel in accompanying drawing, and purpose is schematically illustrate
The content of the invention.
The embodiments of the invention provide a kind of display panel, and as shown in Fig. 1 a to Fig. 1 c, display panel can include：Substrate
Substrate 100, multiple sub-pixs 110 on underlay substrate 100 and the pixel defining layer between each sub-pix 110
120, each sub-pix 110 includes anode 111, luminescent layer 112 and the negative electrode 113 being sequentially located on underlay substrate 100；Display surface
Plate also includes：With the evoked electrode 130 of each insulation set of anode 111；Evoked electrode 130 is in the orthographic projection position of underlay substrate 100
In pixel defining layer 120 in the orthographic projection of underlay substrate 100；
Evoked electrode 130 is used for using InkJet printing processes when anode 111 forms luminescent layer 112, loading and ink-jet
The electrically charged polarity identical electric charge of ink droplet institute.
Display panel provided in an embodiment of the present invention, by setting the induction electricity with each anodized insulation between each anode
Pole, and evoked electrode is located in the orthographic projection of underlay substrate in orthographic projection of the pixel defining layer in underlay substrate, Ke Yi
During the luminescent layer that display panel is prepared using InkJet printing processes, pass through the ink droplet institute to evoked electrode loading and ink-jet
Electrically charged polarity identical electric charge, according to the effect that identical charges repel each other between electric charge, there is a natural attraction between the sexes, in InkJet printing processes process
In, the ink droplet of luminous organic material can be avoided to be sprayed onto in pixel defining layer, ink droplet is squeezed into the Asia to be printed
On the anode of pixel, and then the ink droplet of the luminous organic material of spraying is precisely effectively entered sub-pix and be specifically open
Luminescent layer is formed in region, the problem of avoiding causing colour mixture.
In the specific implementation, in display panel provided in an embodiment of the present invention, positive throwing of the evoked electrode in underlay substrate
Shadow is the latticed of orthographic projection of each sub-pix of encirclement in underlay substrate.Also, evoked electrode is in the positive throwing of underlay substrate
The width of shadow is less than or equal to width of the corresponding pixel defining layer in the orthographic projection of underlay substrate, to avoid evoked electrode from influenceing
The aperture opening ratio of sub-pix.In actual applications, the specific width of evoked electrode needs to be determined to design according to actual application environment,
It is not limited thereto.
Due to formed luminescent layer luminous organic material ink droplet and pixel defining layer contact position between surface energy difference,
And the drying behavior of luminous organic material in itself, cause luminous organic material easily form that edge is high and intermediate thin it is uneven
Film, i.e. coffee toroidal effect.In order to avoid coffee toroidal effect, in the specific implementation, in display surface provided in an embodiment of the present invention
In plate, as shown in Fig. 1 a to Fig. 1 c, display panel can also include：Auxiliary between each anode 111 and underlay substrate 100
Electrode 140；Auxiliary electrode 140 is located at each anode 111 in the orthographic projection of underlay substrate 100 in the orthographic projection of underlay substrate 100；
Auxiliary electrode 140 is used for using InkJet printing processes when anode 111 forms luminescent layer, and loading and ink droplet institute are powered
The opposite polarity electric charge of lotus.So by ink droplet and auxiliary electrode institute are electrically charged on the contrary, can make between ink droplet and auxiliary electrode
By the effect that there is a natural attraction between the sexes, the ink droplet positioned at sub-pixel edge is gathered to intermediate region, led so as to improve coffee toroidal effect
The adverse effect of cause.
In the specific implementation, in display panel provided in an embodiment of the present invention, underlay substrate can be glass substrate or
Person's flexible base board.Also, as shown in Fig. 1 a to Fig. 1 c, being formed on underlay substrate includes anode 111, luminescent layer 112 and the moon
Before the OLED structure of pole 113, the pixel driver electricity in each sub-pix 110 is formd on underlay substrate 100 in advance
Road 114, the pixel-driving circuit 114 are used to drive OLED structure to light.And the concrete structure of above-mentioned pixel-driving circuit with
Preparation technology is with of the prior art essentially identical, it will be appreciated by those skilled in the art that having, therefore not to repeat here.
In order to avoid forming the segment difference in pixel-driving circuit between the film layer of transistor to each film layer in OLED structure
Influence, in the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Fig. 1 a and Fig. 1 b, display panel is also
It can include：The first planarization layer 150 positioned at auxiliary electrode 140 between the underlay substrate 100 with pixel-driving circuit,
And the second planarization layer 160 between auxiliary electrode 140 and anode 111.First planarization layer 150 and the second planarization
Layer 160 also has insulating effect.Also, the anode 111 in same sub-pix 110 passes through through the first planarization layer 150 and
The via of two planarization layers 160 electrically connects with corresponding pixel-driving circuit 114.Or in order to reduce film layer, reduce display surface
The thickness of plate, in display panel provided in an embodiment of the present invention, as illustrated in figure 1 c, auxiliary electrode 140 can also drive with pixel
The source-drain electrode of transistor in dynamic circuit is set with layer.The extra planarization layer of setting first can so be avoided.Certainly, aid in
Electrode can also be set with an electrode of the storage capacitance in pixel-driving circuit with layer, be not limited thereto.
In actual applications, general display panel is additionally provided with the PVDD letters that high voltage signal is provided to pixel-driving circuit
Number line and the Ref signal wires that reference signal is provided, in the specific implementation, in display panel provided in an embodiment of the present invention,
Auxiliary electrode can be multiplexed with by being used to provide the PVDD signal wires of high voltage signal in display panel to pixel-driving circuit；Or
Person, auxiliary electrode can also be multiplexed with by being used to provide the Ref signal wires of reference signal in display panel to pixel-driving circuit.
In practical application, the specific setting of auxiliary electrode needs to be determined to design according to actual application environment, is not limited thereto.
In the specific implementation, in display panel provided in an embodiment of the present invention, anode can be transparent single layer of conductive
Film, the material of the monolayer conductive film can include tin indium oxide (ITO) material, indium zinc oxide (IZO) material, CNT
One of material, grapheme material, nanogold material and nano silver material combine.Or anode can also be transparent answers
Close conductive film, the composite conductive thin film can be ITO, Ag and the ITO being stacked, ITO, the Al being stacked and
ITO, the Al being stacked and TiN or the Al and MoO being stackedxDeng being not limited thereto.
In the specific implementation, in display panel provided in an embodiment of the present invention, the material of evoked electrode can be with anode
Material it is identical.So only it can need to change original composition figure when forming the figure of anode when preparing display panel,
Form the figure of evoked electrode and anode simultaneously by patterning processes, the technique for being increased without being manufactured separately evoked electrode,
Preparation technology flow can be simplified, save production cost, there is provided production efficiency.Certainly, in order to improve the electric conductivity of evoked electrode,
Power consumption is reduced, the material of evoked electrode can also be metal material, for example, gold, silver, aluminium etc., be not limited thereto.
In the specific implementation, in display panel provided in an embodiment of the present invention, luminescent layer includes at least three kinds of color hairs
Photosphere.Wherein, luminescent layer can include three kinds of colour light emitting layers, and these three colour light emitting layers are respectively red light emitting layer, green
Luminescent layer and blue light-emitting layer, to carry out mixing ejecting white light by red, green, blue three primary colours.Luminescent layer can include four kinds
Colour light emitting layer, these four colour light emitting layers are respectively red light emitting layer, green light emitting layer, blue light-emitting layer and white luminous
Layer.Certainly, luminescent layer can also include the luminescent layer of other colors, and this needs to be determined to design according to actual application environment,
This is not construed as limiting.
Embodiment one,
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Figure 1a, evoked electrode 130 can
With in pixel defining layer 120, and display panel also include electrode between evoked electrode 130 and negative electrode 113 every
Exhausted layer 170.So in InkJet printing processes, the significantly more efficient repulsion of evoked electrode 130 can be made to spray to pixel defining layer
Ink droplet on 120, and ink droplet is led on the anode 111 in sub-pix.
Or in the specific implementation, as shown in Figure 1 b, evoked electrode 130 can also be located at pixel defining layer 120 and substrate
Between substrate 100.Specifically, evoked electrode 130 is located between the planarization layer 160 of pixel defining layer 120 and second.So can be with
Without extra increase electrode isolation layer, to reduce the thickness of display panel.
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Figure 2 a, evoked electrode 130 can
Think integral structure, the fenestral fabric of as one layer setting.Display base plate also electrically connects including one with evoked electrode 130
The first cabling (Fig. 2 a are not shown).First cabling is used for using InkJet printing processes when anode forms luminescent layer, to luring
Conductive electrode is transmitted and the electrically charged polarity identical electric charge of the ink droplet of ink-jet institute.So only need to set a cabling to can be achieved to luring
Conductive electrode input charge.Also, the connection terminal electrically connected with the first cabling is additionally provided with display panel, to pass through the connection
Terminal inputs and the electrically charged polarity identical electric charge of the ink droplet of ink-jet institute into the first cabling.
In the specific implementation, in display panel provided in an embodiment of the present invention, the first cabling can be with pixel driver electricity
The source-drain electrode of transistor in road is set with floor, and between pixel defining layer and underlay substrate, evoked electrode leads to evoked electrode
Cross and electrically connected through the first planarization layer with the via of the second planarization layer with the first cabling.Or evoked electrode is located at pixel
Define on layer, evoked electrode passes through the via through the first planarization layer and the second planarization layer and pixel defining layer and
One cabling electrically connects.Certainly, in actual applications, the film layer between evoked electrode and the first cabling can also include other films
Layer, this needs to be determined to design according to actual application environment, is not limited thereto.In order to further simplify preparation technology, first
The material of cabling can be identical with the material of the source-drain electrode set with layer, is walked so as to form first using a patterning processes
The figure of the source-drain electrode of line and transistor.
In the specific implementation, in display panel provided in an embodiment of the present invention, negative electrode can be a flood plane-shape electrode.
Also, negative electrode can also be made to be electrically connected with evoked electrode, to reduce the resistance of negative electrode, reduce the power consumption of display panel.
Embodiment two,
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Figure 1a, evoked electrode 130 can
With in pixel defining layer 120, and display panel also include electrode between evoked electrode 130 and negative electrode 113 every
Exhausted layer 170.So in InkJet printing processes, the significantly more efficient repulsion of evoked electrode 130 can be made to spray to pixel defining layer
Ink droplet on 120, and ink droplet is led on the anode 111 in sub-pix.
Or in the specific implementation, as shown in Figure 1 b, evoked electrode 130 can also be located at pixel defining layer 120 and substrate
Between substrate 100.Specifically, evoked electrode 130 is located between the planarization layer 160 of pixel defining layer 120 and second.So can be with
Without extra increase electrode isolation layer, to reduce the thickness of display panel.
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Figure 2 b, evoked electrode 130 can
With including multiple separate induction sub-electrodes 131, with reference to Fig. 1 a, Fig. 1 b and Fig. 2 b, wherein, Fig. 1 a are edge in Fig. 2 b
A kind of cross section structure diagram in AA ' directions, Fig. 1 b are along another cross section structure diagram in AA ' directions, display in Fig. 2 b
Substrate can also include a plurality of the second cabling 181 that should be electrically connected with each elicitor electrode pair (not shown in Fig. 2 b).This second
Cabling 181 is used to using InkJet printing processes when anode forms luminescent layer, transmit and ink-jet to corresponding induction sub-electrode 131
The electrically charged polarity identical electric charge of ink droplet institute.Also, it is additionally provided with display panel and is corresponded with each second cabling 181
The connection terminal of electrical connection, to be inputted and the electrically charged polarity of the ink droplet of ink-jet institute to the second cabling of connection by the connection terminal
Identical electric charge.
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Fig. 1 a and Fig. 1 b, each elicitor
Electrode 131 is the same as layer same material.It can so use a patterning processes to form the figure of each induction sub-electrode 131, can simplify
Preparation technology.
In the specific implementation, in display panel provided in an embodiment of the present invention, as shown in Figure 1a, sub-electrode 131 is induced
On pixel defining layer 120, induction sub-electrode 131 by through the first planarization layer 150, the second planarization layer 160 with
And the via of pixel defining layer 120 electrically connects with corresponding second cabling 181.Or as shown in Figure 1 b, induce sub-electrode 131
Between the planarization layer 160 of pixel defining layer 120 and second, induction sub-electrode 131 by through the first planarization layer 150 with
The via of second planarization layer 160 electrically connects with the second cabling 181.Certainly, in actual applications, induction sub-electrode is walked with second
Film layer between line can also include other film layers, and this needs to be determined to design according to actual application environment, is not limited thereto.
In order to further simplify preparation technology, the material of the second cabling can be identical with the material of the source-drain electrode set with layer, so as to
To form the figure of the source-drain electrode of the second cabling and transistor using a patterning processes.
At present, realize that the display panel of touch function is had been widely used in present life using self-capacitance principle.
And after the completion of display panel provided in an embodiment of the present invention preparation, induction sub-electrode will be in idle state.Therefore, specific
During implementation, the induction sub-electrode in display panel provided in an embodiment of the present invention can be multiplexed with self-capacitance touch electrode, and
Signal when transmitting induction sub-electrode as self-capacitance touch electrode using the second cabling, so that display panel realizes that self-capacitance touches
Control function.So it is not necessary to which extra increase prepares the technique and film layer of self-capacitance touch electrode, production cost can be saved, is subtracted
The thickness of low display panel, improve production efficiency.
In order to avoid negative electrode to be multiplexed with self-capacitance touch electrode induction sub-electrode shielding action, be embodied
When, in display panel provided in an embodiment of the present invention, negative electrode region corresponding with evoked electrode has opening, so that negative electrode exists
The orthographic projection of underlay substrate is with induction sub-electrode in the orthographic projection no overlap region as far as possible of underlay substrate.In practical application
In, the negative electrode in general each sub-pix needs to be electrically connected with input signal, therefore the company between the negative electrode in each sub-pix
Wiring can have overlapping region with induction sub-electrode in the orthographic projection of underlay substrate in the orthographic projection of underlay substrate, but this is overlapping
The area in region is very small, therefore in error allowed band, shielding action of the overlapping region to self-capacitance touch electrode can
To ignore.
Embodiment three,
In the specific implementation, in display panel provided in an embodiment of the present invention, with reference to Fig. 1 c and Fig. 2 c, wherein Fig. 1 c are
Along the diagrammatic cross-section in BB ' directions in display panel shown in Fig. 2 c.As illustrated in figure 1 c, evoked electrode 130 can include：It is located at
A plurality of first sub-electrode 132 between pixel defining layer 120 and underlay substrate 100, and it is more in pixel defining layer 120
The second sub-electrode of bar 133；Display panel also includes the pixel isolation layer 190 between the second sub-electrode 133 and negative electrode 113.
Also, as shown in Figure 2 c, the first sub-electrode 132 can extend along the line direction of sub-pix 110, the second sub-electrode
133 can extend along the column direction of sub-pix 110.Can so make each first sub-electrode 132 underlay substrate orthographic projection with
Each second sub-electrode 133 forms in the orthographic projection of underlay substrate and surrounds the latticed of orthographic projection of the sub-pix 110 in underlay substrate.
Or in the specific implementation, the first sub-electrode can also extend along the column direction of sub-pix, and the second sub-electrode also may be used
To extend along the line direction of sub-pix.Orthographic projection and each second son electricity of each first sub-electrode in underlay substrate can also so be made
Pole forms in the orthographic projection of underlay substrate and surrounds the latticed of orthographic projection of the sub-pix in underlay substrate.
In the specific implementation, it is thin for transparent single layer of conductive in anode in display panel provided in an embodiment of the present invention
During film, the first sub-electrode can be identical with the material of anode with the material of the second sub-electrode.It is transparent composite guide in anode
During conductive film, the material of the first sub-electrode can be identical with the material of the film layer in composite conductive thin film close to underlay substrate, the
The material of two sub-electrodes can be with remaining film layer in composite conductive thin film in addition to the first sub-electrode material identical film layer
Material it is identical.For example, when composite conductive thin film is ITO, Ag and ITO for being stacked, the material of the first sub-electrode is
ITO, the material of the second sub-electrode is Ag and ITO, can so use patterning processes formed the first sub-electrode with it is compound
The figure of ITO in conductive film, and form the second sub-electrode and the Ag in composite conductive thin film using a patterning processes
With ITO figure, so as to simplify preparation technology.
In the specific implementation, in display panel provided in an embodiment of the present invention, as illustrated in figure 1 c, display base plate can be with
Including：A plurality of 3rd cabling 182.Specifically, one article of first sub-electrode can be made to connect one article of the 3rd cabling.Or in order to subtract
Few cabling quantity, adjacent at least two article of first sub-electrode can also be made to electrically connect one article of the 3rd cabling；For example, make adjacent two
Article the first sub-electrode electrically connects one article of the 3rd cabling；Or three article of first adjacent sub-electrode is set to electrically connect one article of the 3rd cabling；
Or four article of first adjacent sub-electrode is electrically connected one article of the 3rd cabling, it is not limited thereto.3rd cabling is used to use
InkJet printing processes are when anode forms luminescent layer, to the electrically charged polarity of ink droplet institute of the transmission of the first sub-electrode and ink-jet of connection
Identical electric charge.Also, the connection terminal electrically connected with the 3rd cabling is additionally provided with display panel, to pass through the connection terminal
The electrically charged polarity identical electric charge of ink droplet institute of input and ink-jet into the 3rd cabling.
In the specific implementation, in display panel provided in an embodiment of the present invention, the 3rd cabling can be with pixel driver electricity
The source-drain electrode of transistor in road is set with floor, and the first sub-electrode passes through through the first planarization layer and the second planarization layer
Via electrically connected with corresponding 3rd cabling.Certainly, in actual applications, the film layer between the first sub-electrode and the 3rd cabling
Other film layers can also be included, this needs to determine to design according to actual application environment, is not limited thereto.For further letter
Change preparation technology, the material of the 3rd cabling can be identical with the material of the source-drain electrode set with layer, so as to use a structure
Figure technique forms the figure of the source-drain electrode of the 3rd cabling and transistor.
In the specific implementation, in display panel provided in an embodiment of the present invention, as illustrated in figure 1 c, display base plate can be with
Including：A plurality of 4th cabling 183.Specifically, one article of second sub-electrode can be made to connect one article of the 4th cabling.Or in order to subtract
Few cabling quantity, adjacent at least two article of second sub-electrode can also be made to electrically connect one article of the 4th cabling；For example, make adjacent two
Article the second sub-electrode electrically connects one article of the 4th cabling；Or three article of second adjacent sub-electrode is set to electrically connect one article of the 4th cabling；
Or four article of second adjacent sub-electrode is electrically connected one article of the 4th cabling, it is not limited thereto.4th cabling is used to use
InkJet printing processes are when anode forms luminescent layer, to the electrically charged polarity of ink droplet institute of the transmission of the second sub-electrode and ink-jet of connection
Identical electric charge.Also, the connection terminal electrically connected with the 4th cabling is additionally provided with display panel, to pass through the connection terminal
The electrically charged polarity identical electric charge of ink droplet institute of input and ink-jet into the 4th cabling.
In the specific implementation, in display panel provided in an embodiment of the present invention, the 4th cabling can be with pixel driver electricity
The source-drain electrode of transistor in road is set with floor, and the second sub-electrode passes through through the first planarization layer, the second planarization layer
And the via of pixel defining layer electrically connects with corresponding 4th cabling.Certainly, in actual applications, the second sub-electrode and the 4th
Film layer between cabling can also include other film layers, and this needs to be determined to design according to actual application environment, does not limit herein
It is fixed.In order to further simplify preparation technology, the material of the 4th cabling can be identical with the material of the source-drain electrode set with layer, so as to
A patterning processes can be used to form the figure of the source-drain electrode of the 4th cabling and transistor.
In the specific implementation, in display panel provided in an embodiment of the present invention, the first of each article of the 3rd cabling connection
The quantity all same for the second sub-electrode that the quantity of sub-electrode is connected with each article of the 4th cabling.It can so unify to prepare work
Skill.
At present, realize that the display panel of touch function is had been widely used in present life using mutual capacitance principle.
And after the completion of display panel provided in an embodiment of the present invention preparation, the induction being made up of the first sub-electrode and the second sub-electrode is electric
Pole will be in idle state.Therefore, the first sub-electrode in display panel provided in an embodiment of the present invention and the second sub-electrode can
To be multiplexed with mutual capacitance touch electrode, and using the 3rd cabling and the 4th cabling respectively to the first sub-electrode and the second sub-electrode
Signal during as mutual capacitance touch electrode is transmitted, so that display panel realizes mutual capacitance touch controllable function.So it is not necessary to
Extra increase prepares the technique and film layer of mutual capacitance touch electrode, can save production cost, lower the thickness of display panel, carry
High efficiency.
In order to avoid negative electrode is to being multiplexed with the shielding action of the first sub-electrode and the second sub-electrode of mutual capacitance touch electrode,
In the specific implementation, in display panel provided in an embodiment of the present invention, negative electrode region corresponding with evoked electrode has opening,
So that negative electrode underlay substrate orthographic projection and the first sub-electrode and the second sub-electrode underlay substrate orthographic projection as far as possible
No overlap region.In actual applications, the negative electrode in general each sub-pix needs to be electrically connected with input signal, therefore respectively
The connecting line between negative electrode in sub-pix is in the orthographic projection of underlay substrate and the first sub-electrode and the second sub-electrode in substrate
The orthographic projection of substrate can have overlapping region, but the area of the overlapping region is very small, therefore in error allowed band, should
Shielding action of the overlapping region to mutual capacitance touch electrode can be ignored.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of any of the above-described kind provided in an embodiment of the present invention
The preparation method of display panel, as shown in figure 3, may include steps of：
S301, the figure for forming on underlay substrate each anode, pixel defining layer and evoked electrode；
S302, electrically charged ink droplet is sprayed on anode using InkJet printing processes, and the anode to spraying ink droplet loads
With the electrically charged opposite polarity electric charge of ink droplet institute, and to evoked electrode loading and the electrically charged polarity identical electric charge of ink droplet institute,
Form the figure of luminescent layer.
Preparation method provided in an embodiment of the present invention, in the mistake for the luminescent layer that display panel is prepared using InkJet printing processes
Cheng Zhong, by evoked electrode loading and the ink droplet of the ink-jet electrically charged polarity identical electric charge of institute and the anode to spraying ink droplet
Loading and the electrically charged opposite polarity electric charge of ink droplet institute, according to the effect that identical charges repel each other between electric charge, there is a natural attraction between the sexes, so as to spray
During black printing technology, the ink droplet of luminous organic material can be avoided to be sprayed onto in pixel defining layer, ink droplet is squeezed
On the anode for entering the sub-pix to be printed, and then the ink droplet of the luminous organic material of spraying is set precisely to effectively enter Asia
Pixel forms luminescent layer in specific open area, the problem of avoiding causing colour mixture.
Further, in the specific implementation, in preparation method provided in an embodiment of the present invention, formed on underlay substrate
Before the figure of each anode, pixel defining layer and evoked electrode, in addition to：The figure of auxiliary electrode is formed on underlay substrate
Shape.
Also, when to spraying the anode loading of ink droplet with ink droplet institute electrically charged opposite polarity electric charge, it can also include：
Pair with spraying the loading of anode corresponding auxiliary electrode and the electrically charged opposite polarity electric charge of spraying ink droplet institute of ink droplet.So due to
Ink droplet and auxiliary electrode it is electrically charged on the contrary, can make to make to be located at by the effect that there is a natural attraction between the sexes between ink droplet and auxiliary electrode
The ink droplet of sub-pixel edge is gathered to intermediate region, so as to improve adverse effect caused by coffee toroidal effect.
In the specific implementation, in preparation method provided in an embodiment of the present invention, it is additionally included in before forming auxiliary electrode,
Also include the figure that the first planarization layer is formed on underlay substrate, and the underlay substrate has been pre-formed with positioned at each Asia
The figure of each transistor in the pixel-driving circuit of pixel.
In the specific implementation, in preparation method provided in an embodiment of the present invention, after auxiliary electrode is formed, and in shape
Into before anode, in addition to：The figure of the second planarization layer is formed on underlay substrate.
In the specific implementation, in preparation method provided in an embodiment of the present invention, at least three kinds are included in all luminescent layers
During colour light emitting layer, electrically charged ink droplet is sprayed on anode using InkJet printing processes, and the anode to spraying ink droplet loads
With the electrically charged opposite polarity electric charge of ink droplet institute, can specifically include：Lighted successively in different colours using InkJet printing processes
The electrically charged ink droplet of corresponding color, and the ink droplet of the anode loading and spraying to corresponding color are sprayed on anode corresponding to layer
The electrically charged opposite polarity electric charge of institute.
To corresponding color anode loading with spraying ink droplet institute electrically charged opposite polarity electric charge when, in order to avoid
The ink droplet of the upper corresponding color luminescent layer is sprayed corresponding to other colour light emitting layers on anode, in the specific implementation, in the present invention
In the preparation method that embodiment provides, in the electrically charged opposite polarity electricity of ink droplet institute of the anode loading to corresponding color and spraying
During lotus, in addition to：It is identical with the electrically charged polarity of ink droplet institute sprayed to all anodes loading in addition to the anode of corresponding color
Electric charge.It can so be avoided by the electric charge effect that identical charges repel each other on being sprayed corresponding to other colour light emitting layers on anode
The ink droplet of the corresponding color luminescent layer, further reduce colour mixture problem.
In the specific implementation, in preparation method provided in an embodiment of the present invention, after all colours luminescent layer is formed,
Also include the figure that negative electrode is formed on underlay substrate.
Separately below exemplified by forming the structure of the display panel shown in Fig. 1 a and Fig. 1 c, to display surface provided by the invention
The preparation method of plate illustrates.
Example IV,
By taking the structure of the display panel shown in Fig. 1 a as an example, preparation method provided in an embodiment of the present invention can include following
Step：
(1) figure of auxiliary electrode 140 is formed on underlay substrate 100 using a patterning processes, as shown in fig. 4 a.Its
In, the underlay substrate 100 in this step (1) has been pre-formed with pixel-driving circuit 114, the second cabling 181 and first
Planarization layer 150.And the technique of pixel-driving circuit 114, the second cabling 181 and the first planarization layer 150 is formed with showing
There is technology identical, therefore not to repeat here.
(2) the second planarization layer is formed on the underlay substrate 100 formed with auxiliary electrode 140 using a patterning processes
160, and the figure of the via 161 in each sub-pix and through the first planarization layer 150 and the second planarization layer 160,
As shown in Figure 4 b.Wherein, in same sub-pix, via 161 is located at the anode with formation in the orthographic projection of underlay substrate 100
The drain electrode of the transistor of electrical connection is in the orthographic projection of underlay substrate 100.
(3) using each sub-pix of the patterning processes on the underlay substrate 100 formed with the second planarization layer 160 it
Between formed pixel defining layer 120 figure, as illustrated in fig. 4 c.Also, when forming the figure of pixel defining layer 120, in addition to
Form the figure of the via 121 through pixel defining layer 120, the first planarization layer 150 and the second planarization layer 160；Wherein,
Via 121 is located at the second cabling 181 in the orthographic projection of underlay substrate 100 in the orthographic projection of underlay substrate 100.
(4) each anode 111 is formed on the underlay substrate 100 formed with pixel defining layer 120 using a patterning processes
Figure with respectively inducing sub-electrode in evoked electrode 130, so that leakage of each anode 111 by via 161 with corresponding transistor
Pole electrically connects, and induction sub-electrode is electrically connected by via 121 with corresponding second cabling 181；As shown in figure 4d.
(5) band of corresponding color is sprayed on the anode corresponding to different colours luminescent layer successively using InkJet printing processes
The ink droplet of electric charge, the electrically charged opposite polarity electric charge of ink droplet institute of anode loading and spraying to corresponding color, to evoked electrode
In the loading of each induction sub-electrode and the electrically charged polarity identical electric charge of ink droplet institute, to all in addition to the anode of corresponding color
Anode loads and the electrically charged polarity identical electric charge of the ink droplet of spraying institute, and pair auxiliary electricity corresponding with spraying the anode of ink droplet
Pole loads and sprays the electrically charged opposite polarity electric charge of ink droplet institute, forms the figure of luminescent layer.
Specifically, exemplified by forming green light emitting layer, as shown in fig 4e, using InkJet printing processes in green light emitting layer institute
The positively charged ink droplet ID of green is sprayed on corresponding anode 111, is loaded to anode corresponding to green light emitting layer 111 and ink droplet
The electrically charged opposite polarity electric charge of ID institutes, i.e., anode 111 loads negative electrical charge corresponding to green light emitting layer；And to evoked electrode 130
In the loading of each induction sub-electrode and the electrically charged polarity identical electric charges of ink droplet ID institute, i.e. each elicitor in evoked electrode 130
Electrode loads positive charge.It can so make to have by induction electricity between the anode 111 corresponding with green light emitting layer of evoked electrode 130
The electric field E1 of anode 111 corresponding to green light emitting layer is pointed in pole 130, to guide ink by electric field E1 and the effect that there is a natural attraction between the sexes
Drop ID is precisely effectively dripped on anode 111, and avoids ink droplet ID from being sprayed onto in pixel defining layer 120.To being sent out except green
Remaining anode loading outside anode corresponding to photosphere loads with the electrically charged polarity identical electric charge of ink droplet ID institutes, i.e. remaining anode
Positive charge, it can so make that there is repulsive interaction between ink droplet ID and remaining anode, be dripped to avoiding droplets from ID on remaining anode
Cause colour mixture.Pair with spraying ink droplet the ID loading of anode corresponding auxiliary electrode 140 and the electrically charged polarity phases of spraying ink droplet ID institutes
Anti- electric charge, i.e. auxiliary electrode 140 load negative electrical charge.It can so make auxiliary electrode 140 corresponding with dripping to green light emitting layer
There is the electric field E2 that auxiliary electrode 140 is pointed to by drop, so that auxiliary electrode 140 is green to dripping between drop on anode 111
Drop corresponding to color luminescent layer on anode 111 has the function that the intermediate region attraction to anode 111, so as to improve coffee ring
Effect, and then the figure of the green light emitting layer formed on anode 111 after improving.Similarly, the mistake of remaining colour light emitting layer is formed
Journey and the process of above-mentioned formation green light emitting layer are essentially identical, and therefore not to repeat here.
(6) patterning processes are respectively adopted to sequentially form on the underlay substrate 110 for forming all colours luminescent layer 112
The figure of electrode isolation layer 170 and negative electrode 113；As shown in Figure 1a.
Embodiment five,
By taking the structure of the display panel shown in Fig. 1 c as an example, and using the anode of formation as ITO, Ag for being stacked and
ITO composite conductive thin film, wherein the first sub-electrode is identical with the ITO materials close to underlay substrate, the second sub-electrode and Ag with
And away from underlay substrate ITO materials it is identical exemplified by, preparation method provided in an embodiment of the present invention comprises the following steps：
(1) using a patterning processes form auxiliary electrode 140 on underlay substrate 100, the 3rd cabling the 182, the 4th is walked
The figure of the source-drain electrode of transistor in line 183 and pixel-driving circuit 114, as shown in Figure 5 a.Wherein, in this step (1)
Underlay substrate 100 has been pre-formed with remaining film layer of transistor in pixel-driving circuit 114, also, forms pixel driver
The technique of remaining film layer of transistor is same as the prior art in circuit 114, and therefore not to repeat here.
(2) the second planarization layer is formed on the underlay substrate 100 formed with auxiliary electrode 140 using a patterning processes
160, through the via 162 of the second planarization layer 160 and in each sub-pix and through the via of the second planarization layer 160
163 figure, as shown in Figure 5 b.Wherein, in same sub-pix, via 163 underlay substrate 100 orthographic projection positioned at will be with
The drain electrode of the transistor of the anode electrical connection of formation is in the orthographic projection of underlay substrate 100.And via 162 is in underlay substrate
100 orthographic projection is located at corresponding 3rd cabling 182 in the orthographic projection of underlay substrate 100.
(3) using each sub-pix of the patterning processes on the underlay substrate 100 formed with the second planarization layer 160 it
Between form the figure of ITO layer 1111 in the first sub-electrode 132 and anode；As shown in Figure 5 c.Wherein, the first sub-electrode 132
Electrically connected by via 162 with corresponding 3rd cabling 182, drain electrode of the ITO layer 1111 by via 163 with corresponding transistor
Electrical connection.
(4) using between each sub-pix of the patterning processes on the underlay substrate 100 formed with the first sub-electrode 132
The figure of pixel defining layer 120 is formed, as fig 5d.Also, when forming the figure of pixel defining layer 120, in addition to shape
Into the figure of the via 122 through the planarization layer 160 of pixel defining layer 120 and second；Wherein, via 122 is in underlay substrate
100 orthographic projection is located at the 4th cabling 183 in the orthographic projection of underlay substrate 100.
(5) formed on the underlay substrate 100 formed with pixel defining layer 120 in second sub-electrode 133 and each anode
Ag and ITO layer 1112 figure；As depicted in fig. 5e.Wherein, ITO layer 1111 and Ag have collectively constituted anode with ITO layer 1112
111.Second sub-electrode 133 is electrically connected by via 122 with corresponding 4th cabling 183.
(6) band of corresponding color is sprayed on the anode corresponding to different colours luminescent layer successively using InkJet printing processes
The ink droplet of electric charge, the electrically charged opposite polarity electric charge of ink droplet institute of anode loading and spraying to corresponding color, to evoked electrode
In the loading of each induction sub-electrode and the electrically charged polarity identical electric charge of ink droplet institute, to all in addition to the anode of corresponding color
Anode loads and the electrically charged polarity identical electric charge of the ink droplet of spraying institute, and pair auxiliary electricity corresponding with spraying the anode of ink droplet
Pole loads and sprays the electrically charged opposite polarity electric charge of ink droplet institute, forms the figure of luminescent layer.
Specifically, exemplified by forming green light emitting layer, as shown in figure 5f, InkJet printing processes are being used in green light emitting layer
The positively charged ink droplet ID of green is sprayed on corresponding anode 111, to the loading of anode corresponding to green light emitting layer 111 and ink
The electrically charged opposite polarity electric charge of ID institutes is dripped, i.e., anode 111 loads negative electrical charge corresponding to green light emitting layer；And to evoked electrode
Each first sub-electrode 132 and the loading of each second sub-electrode 133 and the electrically charged polarity identical electric charge of ink droplet ID institutes in 130, i.e.,
First sub-electrode 132 and each second sub-electrode 133 loading positive charge.The first sub-electrode 132 and green light emitting layer can so be made
There is the electric field E01 of the anode 111 as corresponding to the first sub-electrode 132 points to green light emitting layer between corresponding anode 111, and
Make to have between the second sub-electrode 133 anode 111 corresponding with green light emitting layer and green light emitting layer is pointed to by the second sub-electrode 133
The electric field E02 of corresponding anode 111, to guide ink droplet ID precisely effective by electric field E01 and E02 and the effect that there is a natural attraction between the sexes
Drip on anode 111, and avoid ink droplet ID from being sprayed onto in pixel defining layer 120.To except positive corresponding to green light emitting layer
The loading of remaining anode and the electrically charged polarity identical electric charge of ink droplet ID institutes, i.e. remaining anode loading positive charge outside pole, so
It can make that there is repulsive interaction between ink droplet ID and remaining anode, be dripped on remaining anode with to avoid droplets from ID and cause colour mixture.With
And pair loading of auxiliary electrode 140 corresponding with spraying ink droplet ID anode and the electrically charged opposite polarity electric charges of ink droplet ID institutes, i.e.,
Auxiliary electrode 140 loads negative electrical charge.It can so make on the anode 111 corresponding with dripping to green light emitting layer of auxiliary electrode 140
There is the electric field E3 that auxiliary electrode 140 is pointed to by drop, so that auxiliary electrode 140 is corresponding to dripping to green light emitting layer between drop
Anode 111 on drop have the function that to anode 111 intermediate region attraction, so as to improve coffee toroidal effect, Jin Er
The figure of the green light emitting layer formed on anode 111 after improving.Similarly, the process of remaining colour light emitting layer and above-mentioned formation are formed
The process of green light emitting layer is essentially identical, and therefore not to repeat here.
(7) patterning processes are respectively adopted to sequentially form on the underlay substrate 110 for forming all colours luminescent layer 112
The figure of pixel isolation layer 190 and negative electrode 113；As illustrated in figure 1 c.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention carries
Any of the above-described kind of display panel supplied.The display device can be：Mobile phone, tablet personal computer, television set, display, notebook electricity
Any product or part with display function such as brain, DPF, navigator.For the other essential of the display device
Part be it will be apparent to an ordinarily skilled person in the art that have, will not be described here, also should not be used as to this
The limitation of invention.The implementation of the display device may refer to the embodiment of above-mentioned display panel, repeats part and repeats no more.
Display panel, its preparation method and display device provided in an embodiment of the present invention, by being set between each anode
With the evoked electrode of each anodized insulation, and evoked electrode is set to be located at pixel defining layer in substrate base in the orthographic projection of underlay substrate
, can be during the luminescent layer of display panel be prepared using InkJet printing processes, by induction electricity in the orthographic projection of plate
Pole load with the electrically charged polarity identical electric charge of the ink droplet of ink-jet institute, according to the effect that identical charges repel each other between electric charge, there is a natural attraction between the sexes,
During InkJet printing processes, the ink droplet of luminous organic material can be avoided to be sprayed onto in pixel defining layer, by ink droplet
On the anode for squeezing the sub-pix to be printed, and then the ink droplet of the luminous organic material of spraying is set precisely effectively to enter
Enter in the specific open area of sub-pix and form luminescent layer, the problem of avoiding causing colour mixture.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (16)
1. a kind of display panel, including：Underlay substrate, multiple sub-pixs on the underlay substrate and positioned at each described
Pixel defining layer between sub-pix, each sub-pix include being sequentially located at anode on the underlay substrate, luminescent layer with
And negative electrode；Characterized in that, the display panel also includes：The evoked electrode set with each anodized insulation；The induction
Electrode is located at the pixel defining layer in the orthographic projection of the underlay substrate in the orthographic projection of the underlay substrate；
The evoked electrode is used for using InkJet printing processes when the anode forms the luminescent layer, the ink of loading and ink-jet
The electrically charged polarity identical electric charge of drop institute.
2. display panel as claimed in claim 1, it is characterised in that the evoked electrode is located in the pixel defining layer,
The display panel also includes the electrode isolation layer between the evoked electrode and the negative electrode；
Or the evoked electrode is between the pixel defining layer and the underlay substrate.
3. display panel as claimed in claim 2, it is characterised in that the evoked electrode is integral type structure, the display
Substrate also includes first cabling electrically connected with the evoked electrode.
4. display panel as claimed in claim 2, it is characterised in that the evoked electrode includes multiple separate inductions
Sub-electrode, the display base plate also include a plurality of the second cabling that should be electrically connected with each elicitor electrode pair.
5. display panel as claimed in claim 4, it is characterised in that the induction sub-electrode is multiplexed with self-capacitance and touches electricity
Pole.
6. display panel as claimed in claim 1, it is characterised in that the evoked electrode includes：Defined positioned at the pixel
A plurality of first sub-electrode between layer and the underlay substrate, and a plurality of second son electricity in the pixel defining layer
Pole；The display panel also includes the pixel isolation layer between second sub-electrode and the negative electrode；
Line direction extension of first sub-electrode along the sub-pix, column direction of second sub-electrode along the sub-pix
Extension；Or column direction extension of first sub-electrode along the sub-pix, second sub-electrode is along the sub-pix
Line direction extends.
7. display panel as claimed in claim 6, it is characterised in that first sub-electrode is multiplexed with second sub-electrode
For mutual capacitance touch electrode.
8. display panel as claimed in claim 1, it is characterised in that the material of the material of the evoked electrode and the anode
It is identical.
9. the display panel as described in claim 5 or 7, it is characterised in that negative electrode area corresponding with the evoked electrode
Domain has opening.
10. the display panel as described in claim any one of 1-8, it is characterised in that the display panel also includes：Positioned at each
Auxiliary electrode between the anode and the underlay substrate；The auxiliary electrode is located at each in the orthographic projection of the underlay substrate
The anode is in the orthographic projection of the underlay substrate；
The auxiliary electrode be used for using the InkJet printing processes when the anode forms the luminescent layer, loading with it is described
The electrically charged opposite polarity electric charge of ink droplet institute.
11. the display panel as described in claim any one of 1-8, it is characterised in that all luminescent layers include at least three kinds of face
Color luminescent layer.
A kind of 12. preparation method of display panel as described in claim any one of 1-11, it is characterised in that including：
The figure of each anode, the pixel defining layer and the evoked electrode is formed on the underlay substrate；
Spray electrically charged ink droplet on the anode using InkJet printing processes, and to spray the anode loading of ink droplet with it is described
The electrically charged opposite polarity electric charge of ink droplet institute, and to evoked electrode loading and the electrically charged polarity identical of ink droplet institute
Electric charge, form the figure of luminescent layer.
13. preparation method as claimed in claim 12, it is characterised in that include at least three kinds of colour light emittings in all luminescent layers
It is described that electrically charged ink droplet is sprayed on the anode using InkJet printing processes during layer, and the anode to spraying ink droplet loads
With the electrically charged opposite polarity electric charge of ink droplet institute, specifically include：
The powered of corresponding color is sprayed on the anode corresponding to different colours luminescent layer successively using the InkJet printing processes
The ink droplet of lotus, and the electrically charged opposite polarity electric charge of ink droplet institute of the anode loading to corresponding color and spraying.
14. preparation method as claimed in claim 13, it is characterised in that in the anode loading and spraying to corresponding color
Ink droplet institute electrically charged opposite polarity electric charge when, in addition to：All anodes in addition to the anode of the corresponding color are added
Carry and the electrically charged polarity identical electric charge of the ink droplet of spraying institute.
15. preparation method as claimed in claim 12, it is characterised in that described that each sun is formed on the underlay substrate
Before the figure of pole, the pixel defining layer and the evoked electrode, in addition to：
The figure of the auxiliary electrode is formed on the underlay substrate；
When the described pair of anode for spraying ink droplet loading is with the electrically charged opposite polarity electric charge of ink droplet institute, in addition to：Pair with
Spray auxiliary electrode loading corresponding to the anode of ink droplet and the electrically charged opposite polarity electric charge of the spraying ink droplet institute.
16. a kind of display device, it is characterised in that including the display panel as described in claim any one of 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751645.2A CN107579099B (en) | 2017-08-28 | 2017-08-28 | Display panel, preparation method thereof and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751645.2A CN107579099B (en) | 2017-08-28 | 2017-08-28 | Display panel, preparation method thereof and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107579099A true CN107579099A (en) | 2018-01-12 |
| CN107579099B CN107579099B (en) | 2020-07-07 |
Family
ID=61029677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751645.2A Active CN107579099B (en) | 2017-08-28 | 2017-08-28 | Display panel, preparation method thereof and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107579099B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623083A (en) * | 2017-08-31 | 2018-01-23 | 上海天马微电子有限公司 | Array base palte, organic EL display panel and inkjet printing methods |
| CN109148533A (en) * | 2018-08-21 | 2019-01-04 | 武汉华星光电半导体显示技术有限公司 | A kind of organic light emitting diode display |
| CN109326222A (en) * | 2018-09-28 | 2019-02-12 | 合肥鑫晟光电科技有限公司 | A kind of display base plate and preparation method thereof, adjusting method, display device |
| CN110109572A (en) * | 2019-05-10 | 2019-08-09 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof, display device |
| CN110137366A (en) * | 2018-06-22 | 2019-08-16 | 友达光电股份有限公司 | Light-emitting component and its manufacturing method |
| CN110571363A (en) * | 2019-09-18 | 2019-12-13 | 京东方科技集团股份有限公司 | Display substrate, preparation method thereof and display device |
| CN110827700A (en) * | 2019-10-21 | 2020-02-21 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and display device |
| WO2020192170A1 (en) * | 2019-03-25 | 2020-10-01 | Boe Technology Group Co., Ltd. | Display backplate and fabricating method thereof, and display apparatus |
| CN111740032A (en) * | 2019-03-25 | 2020-10-02 | 三星显示有限公司 | Method for manufacturing quantum dot layer and display device including quantum dot layer |
| WO2020206824A1 (en) * | 2019-04-11 | 2020-10-15 | 深圳市华星光电半导体显示技术有限公司 | Organic light-emitting diode display and method for manufacturing same |
| CN111883691A (en) * | 2019-09-04 | 2020-11-03 | 广东聚华印刷显示技术有限公司 | Ink jet printing apparatus and method for manufacturing light emitting device |
| CN112186016A (en) * | 2020-09-29 | 2021-01-05 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN113097397A (en) * | 2021-03-30 | 2021-07-09 | 京东方科技集团股份有限公司 | OLED device, manufacturing method thereof and display panel |
| CN113224119A (en) * | 2021-04-28 | 2021-08-06 | 合肥京东方卓印科技有限公司 | Display panel, manufacturing method thereof and display device |
| US11088347B2 (en) | 2018-06-22 | 2021-08-10 | Au Optronics Corporation | Light emitting device |
| WO2021190508A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and display device |
| WO2021190332A1 (en) * | 2020-03-23 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display device |
| CN113611723A (en) * | 2020-07-28 | 2021-11-05 | 广东聚华印刷显示技术有限公司 | Pixel structure and display device |
| CN114242911A (en) * | 2021-11-18 | 2022-03-25 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
| WO2022067581A1 (en) * | 2020-09-29 | 2022-04-07 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
| CN114864837A (en) * | 2022-05-07 | 2022-08-05 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and mobile terminal |
| WO2022241832A1 (en) * | 2021-05-20 | 2022-11-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel manufacturing method and display panel |
| CN115513397A (en) * | 2022-08-18 | 2022-12-23 | Tcl华星光电技术有限公司 | Display panel, preparation method thereof and display terminal |
| WO2023000174A1 (en) * | 2021-07-20 | 2023-01-26 | 京东方科技集团股份有限公司 | Display substrate, display panel, and display apparatus |
| WO2023178784A1 (en) * | 2022-03-22 | 2023-09-28 | 深圳市华星光电半导体显示技术有限公司 | Method for manufacturing organic display panel, and organic display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003059660A (en) * | 2001-08-17 | 2003-02-28 | Toshiba Corp | Manufacturing method of self-luminescence display |
| US20030189605A1 (en) * | 2002-04-04 | 2003-10-09 | Moon Eun A. | Method for fabricating plasma display panel |
| JP2006202597A (en) * | 2005-01-20 | 2006-08-03 | Seiko Epson Corp | Method and equipment for manufacturing light emitting device |
-
2017
- 2017-08-28 CN CN201710751645.2A patent/CN107579099B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003059660A (en) * | 2001-08-17 | 2003-02-28 | Toshiba Corp | Manufacturing method of self-luminescence display |
| US20030189605A1 (en) * | 2002-04-04 | 2003-10-09 | Moon Eun A. | Method for fabricating plasma display panel |
| JP2006202597A (en) * | 2005-01-20 | 2006-08-03 | Seiko Epson Corp | Method and equipment for manufacturing light emitting device |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623083A (en) * | 2017-08-31 | 2018-01-23 | 上海天马微电子有限公司 | Array base palte, organic EL display panel and inkjet printing methods |
| CN107623083B (en) * | 2017-08-31 | 2019-09-24 | 上海天马微电子有限公司 | Array substrate, organic electroluminescent display panel and inkjet printing methods |
| CN110137366A (en) * | 2018-06-22 | 2019-08-16 | 友达光电股份有限公司 | Light-emitting component and its manufacturing method |
| CN110137366B (en) * | 2018-06-22 | 2021-12-07 | 友达光电股份有限公司 | Light emitting element and method for manufacturing the same |
| US11088347B2 (en) | 2018-06-22 | 2021-08-10 | Au Optronics Corporation | Light emitting device |
| CN109148533A (en) * | 2018-08-21 | 2019-01-04 | 武汉华星光电半导体显示技术有限公司 | A kind of organic light emitting diode display |
| US11469280B2 (en) | 2018-08-21 | 2022-10-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light-emitting diode display |
| CN109148533B (en) * | 2018-08-21 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | Organic light-emitting diode display |
| CN109326222A (en) * | 2018-09-28 | 2019-02-12 | 合肥鑫晟光电科技有限公司 | A kind of display base plate and preparation method thereof, adjusting method, display device |
| WO2020192170A1 (en) * | 2019-03-25 | 2020-10-01 | Boe Technology Group Co., Ltd. | Display backplate and fabricating method thereof, and display apparatus |
| CN111740032A (en) * | 2019-03-25 | 2020-10-02 | 三星显示有限公司 | Method for manufacturing quantum dot layer and display device including quantum dot layer |
| US11462687B2 (en) | 2019-03-25 | 2022-10-04 | Beijing Boe Technology Development Co., Ltd. | Display backplate and fabricating method thereof, and display apparatus |
| WO2020206824A1 (en) * | 2019-04-11 | 2020-10-15 | 深圳市华星光电半导体显示技术有限公司 | Organic light-emitting diode display and method for manufacturing same |
| CN110109572A (en) * | 2019-05-10 | 2019-08-09 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof, display device |
| CN110109572B (en) * | 2019-05-10 | 2022-09-09 | 京东方科技集团股份有限公司 | Touch display substrate, manufacturing method thereof and display device |
| CN111883691A (en) * | 2019-09-04 | 2020-11-03 | 广东聚华印刷显示技术有限公司 | Ink jet printing apparatus and method for manufacturing light emitting device |
| US11637265B2 (en) | 2019-09-18 | 2023-04-25 | Boe Technology Group Co., Ltd. | Display substrate having pixel definition layer comprises a lyophilic and lyophobic materials |
| CN110571363A (en) * | 2019-09-18 | 2019-12-13 | 京东方科技集团股份有限公司 | Display substrate, preparation method thereof and display device |
| CN110827700A (en) * | 2019-10-21 | 2020-02-21 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and display device |
| WO2021190332A1 (en) * | 2020-03-23 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display device |
| WO2021190508A1 (en) * | 2020-03-25 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN113611723A (en) * | 2020-07-28 | 2021-11-05 | 广东聚华印刷显示技术有限公司 | Pixel structure and display device |
| WO2022067581A1 (en) * | 2020-09-29 | 2022-04-07 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
| CN112186016A (en) * | 2020-09-29 | 2021-01-05 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN113097397A (en) * | 2021-03-30 | 2021-07-09 | 京东方科技集团股份有限公司 | OLED device, manufacturing method thereof and display panel |
| CN113224119A (en) * | 2021-04-28 | 2021-08-06 | 合肥京东方卓印科技有限公司 | Display panel, manufacturing method thereof and display device |
| CN113224119B (en) * | 2021-04-28 | 2022-09-13 | 合肥京东方卓印科技有限公司 | Display panel, manufacturing method thereof and display device |
| WO2022227437A1 (en) * | 2021-04-28 | 2022-11-03 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display apparatus |
| WO2022241832A1 (en) * | 2021-05-20 | 2022-11-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel manufacturing method and display panel |
| WO2023000174A1 (en) * | 2021-07-20 | 2023-01-26 | 京东方科技集团股份有限公司 | Display substrate, display panel, and display apparatus |
| GB2618715A (en) * | 2021-07-20 | 2023-11-15 | Boe Technology Group Co Ltd | Display substrate, display panel, and display apparatus |
| CN114242911A (en) * | 2021-11-18 | 2022-03-25 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
| CN114242911B (en) * | 2021-11-18 | 2023-11-03 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
| WO2023178784A1 (en) * | 2022-03-22 | 2023-09-28 | 深圳市华星光电半导体显示技术有限公司 | Method for manufacturing organic display panel, and organic display panel |
| CN114864837A (en) * | 2022-05-07 | 2022-08-05 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and mobile terminal |
| CN115513397A (en) * | 2022-08-18 | 2022-12-23 | Tcl华星光电技术有限公司 | Display panel, preparation method thereof and display terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107579099B (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107579099A (en) | A kind of display panel, its preparation method and display device | |
| JP6444586B2 (en) | Organic light emitting display device and method for manufacturing organic light emitting display device | |
| JP6142982B2 (en) | Organic light emitting device with improved light emission quality | |
| CN206194793U (en) | Luminous type OLED display device in top | |
| CN105355646B (en) | Array substrate and preparation method thereof, display device | |
| CN107331691A (en) | A kind of array base palte and preparation method thereof, display panel | |
| CN105957878A (en) | Display base board, preparation method thereof, and display apparatus | |
| CN110047898A (en) | Display base plate and its manufacturing method, display device | |
| CN103021334A (en) | Pixel structure, pixel unit structure, display panel and display device | |
| CN107623083B (en) | Array substrate, organic electroluminescent display panel and inkjet printing methods | |
| CN108075048A (en) | Oled panel and preparation method thereof, display device | |
| EP3462492B1 (en) | Array substrate and display panel | |
| US20150379921A1 (en) | Organic Light-Emitting Diode Display With Supplemental Power Supply Distribution Paths | |
| CN110176478A (en) | Organic LED display device and preparation method thereof | |
| CN103715218A (en) | Organic light emitting display device and method of manufacturing the same | |
| WO2018166157A1 (en) | Array substrate, method for manufacturing array substrate, and display apparatus | |
| CN106933431A (en) | Organic Light Emitting Diode touch display substrate and touch control display apparatus | |
| CN113257854B (en) | Display panel, preparation method thereof and display device | |
| CN110192282B (en) | Display substrate, display apparatus, and method of manufacturing display substrate | |
| CN107369700A (en) | A kind of array base palte, its preparation method, display panel and display device | |
| CN108565352A (en) | Organic LED display panel and its manufacturing method, display device | |
| CN105185808B (en) | Active-matrix Organic Light Emitting Diode touch control display apparatus | |
| CN109920827A (en) | Array substrate and preparation method thereof, display panel, display device and control method | |
| CN108962965A (en) | Display panel and preparation method thereof, display device | |
| KR20120061136A (en) | Method for forming Organic Light Emitting layer and Manufacturing Organic Light Emitting Device and Organic Light Emitting Device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |