CN107342370A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN107342370A CN107342370A CN201710546482.4A CN201710546482A CN107342370A CN 107342370 A CN107342370 A CN 107342370A CN 201710546482 A CN201710546482 A CN 201710546482A CN 107342370 A CN107342370 A CN 107342370A
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- layer
- display panel
- touch
- conductive structure
- underlay substrate
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Abstract
The present invention provides a kind of display panel, including array base palte and package substrate, and package substrate includes touch control electrode layer and auxiliary cathode layer, and the auxiliary cathode layer is set with the touch control electrode layer by dielectric spacer layer insulation gap；Array base palte includes organic light emitting functional layer, and the organic luminescence function layer includes：Luminescent layer, the anode and negative electrode of both sides above and below the luminescent layer；Above-mentioned array base palte also includes multiple first conductive structures, and each first conductive structure includes the first sept and the first conductive layer positioned at the first sept surface, and the auxiliary cathode layer is electrically connected by first conductive structure with the negative electrode.Both touch controllable function can be realized, the cathode fall of display panel is reduced further through auxiliary cathode layer, improves the brightness uniformity of display panel, while solving the connectivity problem of touch control electrode layer and auxiliary cathode layer.
Description
Technical field
The present invention relates to display technology field, and more particularly to a kind of display panel and display device.
Background technology
At present, using organic compound as fluorophor with the organic light emitting display face with excellent brightness and excitation
Plate receives much attention, and because organic electroluminescence display panel is light and thin, and can be driven with low-power consumption, so except being put down in large-size
Outside application in panel display, OLED applies also for portable display apparatus.With the hair of display device
Exhibition, it has more and more diversified function, wherein especially prominent is display device is had touch controllable function.Wherein, will touch
Control electrode is integrated in organic electroluminescence display panel, makes it have touch controllable function, is advantageous to the lightening of display device, and make
Difficulty is low, and detection accuracy is high, is increasingly becoming the main flow of display device.
Generally, according to light emission direction, organic electroluminescence display panel is divided into top emitting organic electroluminescence display panel or bottom hair
Penetrate organic electroluminescence display panel.Wherein, in top emitting organic electroluminescence display panel, due to the hair by organic electroluminescence display panel
Penetrate light caused by layer to go out through emission of cathode, so negative electrode needs to be transparent.Therefore, negative electrode by transparent conductive material for example
Thickness is sufficiently small to be made as transparent MgAg or ITO.However, because the resistance of ITO transparent conductive material is higher, and
MgAg can only also have limited thickness, cause the resistance of negative electrode higher, increase the voltage drop of negative electrode, the size of display panel
Bigger, the voltage drop of negative electrode is bigger, so as to which picture quality and display characteristic can be uneven.
The content of the invention
The invention provides a kind of display panel and its display device, to solve the voltage drop of negative electrode in the prior art compared with
Big and touch control electrode contacts the problem of difficult with touch chip.
First, the present invention provides a kind of display panel, including viewing area and the peripheral region for surrounding the viewing area, its
It is characterised by：The display panel also includes：Upper underlay substrate；Lower underlay substrate, it is oppositely arranged with a upper underlay substrate；
Touch control electrode layer, be arranged at the upper underlay substrate includes more towards the side of the lower underlay substrate, the touch control electrode layer
Individual touch control electrode；Auxiliary cathode layer, it is cloudy towards the side of the lower underlay substrate, the auxiliary to be arranged at the upper underlay substrate
Pole layer is set with the touch control electrode layer by dielectric spacer layer insulation gap；Organic luminescence function layer, it is arranged at the lower lining
Substrate includes towards the side of the upper underlay substrate, the organic luminescence function layer：Luminescent layer, on the luminescent layer
The anode and negative electrode of lower both sides；And first conductive structure, each first conductive structure include：First sept is with being located at
First conductive layer on the first sept surface；The auxiliary cathode layer passes through first conductive structure and negative electrode electricity
Connection.
In an embodiment of the invention, above-mentioned dielectric spacer layer is made up of organic insulation.
In an embodiment of the invention, the thickness of above-mentioned dielectric spacer layer is more than 1 micron.
In an embodiment of the invention, above-mentioned display panel also includes the negative electrode on the lower underlay substrate
Protective layer, the cathodic protection layer are located at the side of the direction upper underlay substrate of the negative electrode.
In an embodiment of the invention, above-mentioned first conductive structure is located at viewing area, and is arranged at display panel
Non-open areas, the first conductive structure electrically connected by the opening on cathodic protection layer with auxiliary cathode layer.
In an embodiment of the invention, above-mentioned auxiliary cathode layer is fenestral fabric, and above-mentioned auxiliary cathode layer
It is arranged at the non-open areas of display panel.
In an embodiment of the invention, above-mentioned auxiliary cathode layer is made up of metal material.
In an embodiment of the invention, above-mentioned lower underlay substrate is additionally provided with upwardly on the side of underlay substrate
Multiple second conductive structures positioned at peripheral region, each second conductive structure include：Second sept is with being located at the second sept
Second conductive layer on surface；Touch control electrode is electrically connected by the second conductive structure with the touch chip on lower underlay substrate.
In an embodiment of the invention, above-mentioned dielectric spacer layer covering touch control electrode layer, touch control electrode pass through company
Bridge is connect to electrically connect with the second conductive structure；The connecting bridge is formed with the auxiliary cathode layer with layer.
In an embodiment of the invention, above-mentioned display panel also includes：Touch-control lead, the touch-control lead are set
In the peripheral region of the lower underlay substrate；The one or both ends of touch control electrode electrically connect with the second conductive structure, the second conductive knot
Structure is electrically connected by touch-control lead with touch chip.
In an embodiment of the invention, above-mentioned touch-control lead is set with anode with layer.
In an embodiment of the invention, above-mentioned display panel also includes：A plurality of touching signals line, the touch-control letter
Number line is arranged at the upper underlay substrate towards the side of the lower underlay substrate；The touch control electrode passes through the touching signals
Line electrically connects with second conductive structure；Second conductive structure is located at the peripheral region and set close to the touch chip
Put, second conductive structure electrically connects with the touch chip.
In an embodiment of the invention, above-mentioned first conductive layer, the second conductive layer and negative electrode are set with layer.
In addition, the present invention also provides a kind of display device, the display device includes the display panel described in any of the above item.
Compared with prior art, technical scheme provided by the present invention has advantages below：Display surface provided by the invention
Plate, in the package substrate of display panel, while touch control electrode layer and auxiliary cathode layer are set, and both pass through dielectric spacer layer
Separate, can both realize touch controllable function, the cathode fall of display panel is reduced further through auxiliary cathode layer, improve display
The brightness uniformity of panel, and by setting the method for conductive layer to divide touch control electrode layer and auxiliary cathode layer on sept
It is not electrically connected in the touch chip and negative electrode of array base palte, in the case where not increasing product processing procedure, while solves touch-control
The connectivity problem of electrode layer and auxiliary cathode layer.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the schematic diagram of the display panel in one embodiment of the invention；
Fig. 2 is the top view of display panel shown in Fig. 1；
Fig. 3 a are a kind of connected mode schematic diagrams of touch control electrode layer in display panel shown in Fig. 1；
Fig. 3 b are another connected mode schematic diagrams of touch control electrode layer in display panel shown in Fig. 1；
Fig. 3 c are another connected mode schematic diagrams of touch control electrode layer in display panel shown in Fig. 1；
Fig. 4 is the schematic diagram of the display panel in another embodiment of the present invention；
Fig. 5 is the top view of display panel shown in Fig. 4；
Fig. 6 is the schematic diagram of the display panel in further embodiment of this invention；
Fig. 7 is the schematic diagram of the display panel in yet another embodiment of the invention；
Fig. 8 is the schematic diagram of the display device in one embodiment of the invention.
Embodiment
In order to be better understood from technical scheme, the present invention is made with reference to the accompanying drawings and examples further
Describe in detail.It is understood that specific embodiment described herein is used only for explaining the present invention, rather than to the present invention's
Limit.It also should be noted that for the ease of description, part related to the present invention is illustrate only in accompanying drawing and not all
Structure.
First, the present invention provides a kind of display panel, specifically refer to shown in Fig. 1 and Fig. 2, and Fig. 1 is that the present invention one is implemented
The schematic diagram of display panel in example, Fig. 2 is the top view of display panel shown in Fig. 1, and the display panel 100 includes viewing area
101 and around the peripheral region 102 of the viewing area.Further, display panel 100 includes the array base palte 10 being oppositely arranged and envelope
Substrate 20 is filled, array base palte 10 is sealing adhesive with package substrate 20 by the sealant 25 around viewing area positioned at peripheral region
Together.
Specifically, array base palte 10 includes：Lower underlay substrate 11, it is formed at the underlay substrate upwardly of lower underlay substrate 11
21 sides and the pixel defining layer 12 with multiple openings, and the first sept 161 above pixel defining layer 12.
Pixel defining layer 12 is used to limit non-open areas and multiple open areas, and the first sept 161 is located at pixel defining layer 12
Open area, namely the first sept 161 are located at the non-open areas of display panel, and the first sept 161 is used to maintain array
Gap between substrate 10 and package substrate 20 is stable.The material of the sept 161 of pixel defining layer 12 and first is insulation material
Material, any appropriate insulating materials known in the art are used equally for the sept 161 of pixel defining layer 12 and first, may be used also
To be organic insulation.In other embodiments, pixel defining layer can also be set with the first sept with layer, while shape
Into.
Array base palte 10 also includes organic light emitting functional layer 30, positioned at the viewing area 101 of display panel 100, is correspondingly arranged
Light-emitting zone in viewing area 101.Organic luminescence function layer 30 includes anode 13, the hair being set in turn on lower underlay substrate 11
Photosphere 14 and negative electrode 15.In the present embodiment, negative electrode 15 is a whole face-type structural, i.e., is shared by all organic luminescence function layers
Common electrode, when using whole face formula negative electrode, due to without individually setting negative electrode to drive on each organic luminescence function layer 30 again
The incoming line of dynamic signal, therefore the manufacturing step of display panel can be simplified, save cost.Luminescent layer 14 can for example include
Organic light emitting material and it is arranged on the electron transfer layer of the organic light emitting material both sides and firm cave transport layer.In this base
On plinth, in order to improve the efficiency of electronics and hole injection luminescent layer, the organic material functional layer can also include being arranged on
Electron injecting layer between negative electrode and electron transfer layer, and in anode and the hole injection layer asked of hole transmission layer.
Further, above-mentioned display panel also includes the thin film transistor (TFT) on array base palte.Wherein, thin film transistor (TFT)
Including grid, gate insulation layer, semiconductor active layer, source electrode and drain electrode, wherein drain electrode electrically connects with anode 13.Need what is illustrated
It is that the embodiment of the present invention is not defined to the type of thin film transistor (TFT), it can be amorphous silicon film transistor, low-temperature polysilicon
Silicon thin film transistor, metal oxide thin-film transistor, OTFT etc., are not limited specifically herein.In addition, film
Product body pipe can also be bottom gate type or top gate type.
Further, display panel 100 is top emitting formula display panel, and the material of anode 13 is opaque conductive material,
Such as metal material；The material of negative electrode 15 is transparent conductive material, such as tin indium oxide transparent conductive material, and light is from array base palte
It is emitted towards the side of package substrate.
Package substrate 20 includes：Upper underlay substrate 21, the touch control electrode layer 22 being formed on underlay substrate 21 and auxiliary
Cathode layer 24, touch control electrode layer 22 and auxiliary cathode layer 24 are arranged at the side of the underlay substrate 11 downwards of underlay substrate 21,
And auxiliary cathode layer 24 is set with touch control electrode layer 22 by one layer of insulation gap of dielectric spacer layer 23, to reduce auxiliary cathode layer
With the parasitic capacitance of touch control electrode interlayer..In the present embodiment, auxiliary cathode layer 24 is the transparent electricity made of tin indium oxide
Pole.Dielectric spacer layer 23, can also be by organic insulation such as can be formed as inorganic insulating material as SiNx, SiO2, Al2O3
The formation such as material such as photosensitive polyimide resin, when dielectric spacer layer is formed by organic insulation, the thickness that can make
It is bigger, for example, the thickness of dielectric spacer layer could be arranged to be more than 1 micron, so as to preferably reduce auxiliary cathode layer with touching
Control the parasitic capacitance of electrode interlayer.
Further, display panel also includes the first conductive structure 181, and the first conductive structure 181 is located at lower underlay substrate
On the side of 11 underlay substrate upwardly 21, each first conductive structure 181 includes：First sept 161 is with being located at first
First conductive layer 151 on the surface of sept 161, auxiliary cathode layer 24 pass through on the first conductive structure 181 and array base palte 10
Negative electrode 15 electrically connects, and reduces cathode impedance, reduces the voltage drop as caused by cathode impedance.Wherein, the first conductive layer 151 covering the
The top of one sept 161, it is connected with negative electrode and is formed with negative electrode with layer.So that the first conductive structure is in support package substrate
Meanwhile the electrical connection of auxiliary cathode layer and negative electrode is realized by conductive layer, and the manufacture craft of display panel will not be increased.
Further, display panel 100 also includes touch control electrode layer 22 and the second conductive structure on array base palte
182, the second conductive structure 182 is located on the side of the underlay substrate upwardly 21 of lower underlay substrate 11, each second conductive knot
Structure 182 includes：Second sept 162 and the second conductive layer 152 positioned at the surface of the second sept 162, touch control electrode layer 22 are logical
Cross the second conductive structure 182 to electrically connect with the touch chip 26 on array base palte 10, touch chip 26 can be with flexible PCB
Electrical connection, to obtain touching signals.Wherein, the second conductive layer 152 covers the top of the second sept 162, such as can be with the moon
Extremely formed with layer, will not so increase the manufacture craft of display panel.Second sept 162 simultaneously for maintain array base palte with
Gap between package substrate is stable, and the second sept 162 is formed with 161 same material of the first sept, with layer.
In one embodiment of the invention, as shown in Fig. 2 the first conductive structure 181 is arranged at the display of display panel
Area 101, the second conductive structure 182 are arranged at the peripheral region 102 of display panel.Display panel also includes touch-control lead 132, touch-control
Lead 132 is located on array base palte and set with anode with layer, will not so increase the manufacture craft of display panel.Further
, in the present embodiment, touch-control lead and anode are set with layer, and the second conductive layer is formed with negative electrode with layer, touch-control lead and the
Two conductive layers can for example be connected by the via through pixel defining layer.
Specifically, please also refer to shown in Fig. 1-3c, in embodiments of the present invention, the control mode touch mode of the display panel
Can be self-capacitance or mutual capacitance type or pressure sensitive touch-control.Embodiment of the present invention is touched by taking self-capacitance as an example
Control electrode layer 22 all includes multiple touch control electrodes 221 of array arrangement, and each touch control electrode 221 respectively passes through the second conductive structure
182 are electrically connected to touch chip to receive the port of detection signal, and touch chip to export the port of scanning signal,
When user touches, the electric capacity between the touch control electrode 221 and ground of touch location can change, and then cause touching for touch location
Detection signal can change on control electrode 221, and then cause touch chip to determine touch-control by the detection signal received
Position, display panel is set to perform corresponding operation.
Fig. 3 a are a kind of connected mode schematic diagrams of touch control electrode layer in display panel shown in Fig. 1, in this embodiment, are shown
Show that panel also includes the touching signals line 222 on package substrate, touch control electrode 221 is believed by touch-control corresponding at least one
Number line 222 is electrically connected with the second conductive structure 182, and the second conductive structure 182 is connected by touch-control lead 132 and touch chip 26
Connect, and then realize the electrical connection of touch control electrode 221 and touch chip 26；Fig. 3 b are touch control electrode layers in display panel shown in Fig. 1
Another connected mode schematic diagram, in the present embodiment, be with the difference of connected mode shown in Fig. 3 a, touch control electrode
221 both ends are electrically connected by touching signals line 222 with the second conductive structure 182 respectively, when using the connection side shown in Fig. 3 b
During formula, every touch-control lead 132 introduces signal from the both ends of touch control electrode 221 simultaneously, the signal that both ends introduce be it is synchronous, so
Setting can cause the signal at both ends to be required to, by the i.e. reachable touch control electrode 221 of shorter transmission range, effectively reduce letter
Voltage drop number in transmitting procedure, and then the load on touch-control lead 132 can be effectively reduced.When using the company shown in Fig. 3 a
When connecing mode, every touch-control lead 132 only introduces signal from one end of touch control electrode 221, can effectively reduce positioned at array base
The quantity of the touch-control lead of the peripheral region of plate so that the width that touch-control lead occupies is smaller, advantageously in realizing display device
Narrow frame.
Fig. 3 c are another connected mode schematic diagrams of touch control electrode layer in display panel shown in Fig. 1, in the present embodiment,
Second conductive structure 182 is located at the position of the close touch chip 26 of peripheral region, and the second conductive structure 182 passes through touch-control lead
132 electrically connect with touch chip.Because the second conductive structure 182 is located at the position of the close touch chip 26 of peripheral region, accordingly
, touch-control lead 132 is also only positioned at the position of the close touch chip of array base palte.Touch control electrode 221 passes through positioned at encapsulation base
Touching signals line 222 on plate is connected with the second conductive structure 182, because the peripheral circuit on display panel is generally all located at battle array
In the peripheral region of row substrate, and touching signals line is located on package substrate, it is possible to prevente effectively from the periphery electricity of driving display panel
Road conflicts with the position of touching signals line so that the width can of the peripheral region of array base palte suitably reduces, and then can rise
To the effect for reducing frame.
The display panel that embodiment of the present invention provides, is provided with simultaneously in the side of the close array base palte of package substrate
Touch control electrode layer and auxiliary cathode layer, auxiliary cathode layer are directly connected by the first conductive structure with negative electrode, can be in realization
While embedded touch controllable function, the voltage drop of negative electrode is effectively prevented or reduced.Further, touch control electrode layer is connected to touch-control
Second conductive structure of chip is similar with the structure of the first conductive structure, and the first conductive layer and the second conductive layer are all same with negative electrode
Layer is formed, and while the manufacture craft of display panel is not increased, while solves the company of touch control electrode layer and auxiliary cathode layer
Connect problem.
Fig. 4 is the schematic diagram of the display panel in another embodiment of the present invention, and Fig. 5 is the vertical view of display panel shown in Fig. 4
Figure, in this example it is shown that panel 100 includes the array base palte 10 being oppositely arranged and package substrate 20.Array base palte 10 wraps
Include：Pixel defining layer 12, for limiting the non-open areas 101a and multiple open area 101b of viewing area 101；Organic light emission
Functional layer 30, it is correspondingly arranged in each open area 101b.Organic luminescence function layer 30 includes anode 13, luminescent layer 14 and negative electrode
15.Package substrate 20 includes touch control electrode layer 22 and auxiliary cathode layer 24, wherein, auxiliary cathode layer 24 passes through the first conductive structure
181 electrically connect with negative electrode 15, and auxiliary cathode layer 24 is network structure, and the auxiliary cathode layer 24 of network structure is correspondingly arranged in aobvious
Show the non-open areas 101a of panel, namely network structure auxiliary cathode layer 24 lower underlay substrate 11 throwing in the plane
Shadow falls in pixel defining layer 12, and the open area for being provided with organic luminescence function layer 30 corresponds to the net of auxiliary cathode layer 24
Bore region, therefore, auxiliary cathode layer 24 will not block the light that organic luminescence function layer 30 is sent, it is ensured that display device it is saturating
Cross rate.
In the present embodiment, because the auxiliary cathode layer 24 of network structure will not block what organic luminescence function layer 30 was sent
Light, therefore, resistance can be reduced by increasing the method for its thickness, or, auxiliary cathode layer 24 can also be by lighttight
Metal material is formed, such as is formed by Al, Cr, Pt, W, Cu, Ag, Au etc. so that the resistance of the resistance ratio negative electrode of auxiliary cathode layer
It is low, when being connected with negative electrode, it effectively can prevent or reduce the voltage drop of negative electrode.
Fig. 6 is the schematic diagram of the display panel in further embodiment of this invention, and display panel 100 includes the battle array being oppositely arranged
Row substrate 10 and package substrate 20, package substrate 20 include touch control electrode layer 22 and auxiliary cathode layer 24, auxiliary cathode layer 24 with
Touch control electrode layer 22 is set by one layer of insulation gap of dielectric spacer layer 23, and dielectric spacer layer 23 covers touch control electrode layer 22,
Effectively reduce the parasitic capacitance between auxiliary cathode layer 24 and touch control electrode layer 22.Auxiliary cathode layer 24 passes through the first conductive structure
Electrically connected with the negative electrode on array base palte, touch control electrode layer 22 passes through the second conductive structure 182 and the touch-control core on array base palte
Piece electrically connects.
In the present embodiment, the second conductive structure 182 is located at the peripheral region of display panel, the covering extension of dielectric spacer layer 23
To peripheral region and covering touch control electrode layer 22, package substrate also includes the connecting bridge 241 positioned at display panel peripheral region, connecting bridge
The via 231 that 241 one end runs through dielectric spacer layer 23 by one electrically connects with touch control electrode layer 22, the other end and the second conduction
Structure 182 electrically connects, and then realizes the electrical connection of touch control electrode layer and the second conductive structure 182.Wherein, connecting bridge 241 is for example
It can be formed with auxiliary cathode layer 24 with layer, not increase the manufacture craft of display panel.Further, in the present embodiment, it is auxiliary
It for example can be the network structure that metal material is formed to help cathode layer so that the resistance of the resistance ratio negative electrode of auxiliary cathode layer is low,
The voltage drop of negative electrode effectively can be prevented or reduced, while reduces the resistance value of the connecting bridge formed with auxiliary cathode layer with layer,
The resistance between touch control electrode layer and the second conductive structure is reduced, increases the touch-control sensitivity of touch control electrode layer.
Fig. 7 is the schematic diagram of the display panel in yet another embodiment of the invention, and display panel 100 includes the battle array being oppositely arranged
Row substrate 10 and package substrate 20, array base palte 10 also includes the cathodic protection layer 17 of covered cathode 15, due to the material of negative electrode
It is usually silver-colored, it is easy to be oxidized, cathodic protection layer 17 is covered in the surface of negative electrode, can effectively prevent positioned at light-emitting zone
Negative electrode is oxidized, and can also be played a part of fixed negative pole and be improved light-out effect.Further, the material of cathodic protection layer 17
Matter is such as can be transparent organic or LiF.In the present embodiment, cathodic protection layer 17 extends to the periphery of display panel
Area, and cover the second conductive structure 182.
In the plane where array base palte 10, the orthographic projection of cathodic protection layer 17 is led with the first conductive structure 181, second
The orthographic projection on the top of electric structure 182 is not overlapping, in other words, corresponding to the first conductive structure 181, on cathodic protection layer 17
The position on the top of two conductive structures 182, is provided with opening, and the first conductive structure 181, the top of the second conductive structure 182 lead to
The opening crossed through cathodic protection layer 17 electrically connects with auxiliary cathode layer, touch control electrode layer respectively.It is arranged so that first leads
The first conductive layer 151, the second conductive layer 152 in electric structure 181, the second conductive structure 182 can respectively with auxiliary cathode layer,
Touch control electrode layer fully contacts, and conductive effect is good.Above-mentioned first conductive structure 181, the second conductive structure 182 are respectively positioned at display
The viewing area and peripheral region of panel, while for maintaining the gap between underlay substrate and package substrate stable.
The compatible existing panel process of display panel that the above embodiments of the present application provide, will not increase additional process and cover
Film version quantity, thus with the low advantage of cost, beneficial to commercial application.
Display panel provided by the invention, in the package substrate of display panel, while touch control electrode layer and auxiliary are set
Cathode layer, and both are separated by dielectric spacer layer, can both be realized touch controllable function, be reduced display further through auxiliary cathode layer
The cathode fall of panel, the brightness uniformity of display panel is improved, and by setting the side of conductive layer on sept
Touch control electrode layer and auxiliary cathode layer are electrically connected respectively in the touch chip and negative electrode of array base palte by method, are not increasing product
In the case of processing procedure, while solves the connectivity problem of touch control electrode layer and auxiliary cathode layer.
Fig. 8 is the schematic diagram of the display device in one embodiment of the invention, as shown in figure 8, the display device 200 include with
Display panel described in upper any one.The display device that the embodiment of the present application provides can be such as smart mobile phone, wearable
Intelligent watch, intelligent glasses, tablet personal computer, television set, display, notebook computer, DPF, navigator, car-mounted display
Any product or part with display function such as device, electrophoretic display device (EPD), e-book.The display panel that the embodiment of the present application provides
Can be flexibility with display device, or non-flexible, the application is not limited this.
The display device can also include other structures, such as shell, base etc., other structures are referred to existing set
Meter, herein without repeating.
Pay attention to, 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 changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
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 more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (14)
1. a kind of display panel, including viewing area and the peripheral region for surrounding the viewing area, it is characterised in that：The display panel
Also include：
Upper underlay substrate；
Lower underlay substrate, it is oppositely arranged with the upper underlay substrate；
Touch control electrode layer, the upper underlay substrate is arranged at towards the side of the lower underlay substrate, the touch control electrode layer bag
Include multiple touch control electrodes；
Auxiliary cathode layer, be arranged at the upper underlay substrate towards the side of the lower underlay substrate, the auxiliary cathode layer with
The touch control electrode layer is set by dielectric spacer layer insulation gap；
Organic luminescence function layer, the lower underlay substrate is arranged at towards the side of the upper underlay substrate, the organic light emission
Functional layer includes：Luminescent layer, the anode and negative electrode of both sides above and below the luminescent layer；
First conductive structure, each first conductive structure include：First sept is with being located at the first sept surface
The first conductive layer；
The auxiliary cathode layer is electrically connected by first conductive structure with the negative electrode.
2. display panel according to claim 1, it is characterised in that the dielectric spacer layer is by organic insulation system
Into.
3. display panel according to claim 2, it is characterised in that the thickness of the dielectric spacer layer is more than 1 micron.
4. display panel according to claim 1, it is characterised in that the display panel also includes being located at the lower substrate
Cathodic protection layer on substrate, the cathodic protection layer are located at the side of the direction upper underlay substrate of the negative electrode.
5. display panel according to claim 4, it is characterised in that first conductive structure is located at the viewing area,
And the non-open areas of the display panel is arranged at, first conductive structure passes through opening on the cathodic protection layer
Mouth electrically connects with the auxiliary cathode layer.
6. display panel according to claim 1, it is characterised in that the auxiliary cathode layer is fenestral fabric, described
Auxiliary cathode layer is correspondingly arranged in the non-open areas of the display panel.
7. display panel according to claim 6, it is characterised in that the auxiliary cathode layer is made up of metal material.
8. display panel according to claim 1, it is characterised in that the lower underlay substrate is towards the upper underlay substrate
Side on be additionally provided with multiple second conductive structures positioned at the peripheral region, each second conductive structure includes：The
Two septs and the second conductive layer positioned at the second sept surface；
The touch control electrode is electrically connected by second conductive structure with the touch chip on the lower underlay substrate.
9. display panel according to claim 1, it is characterised in that the dielectric spacer layer covers the touch control electrode
Layer, the touch control electrode are electrically connected by connecting bridge with second conductive structure；The connecting bridge and the auxiliary cathode layer
Formed with layer.
10. display panel according to claim 8, it is characterised in that the display panel also includes：Touch-control lead, institute
State the peripheral region that touch-control lead is arranged at the lower underlay substrate；
The one or both ends of the touch control electrode electrically connect with the second conductive structure, and second conductive structure passes through the touch-control
Lead electrically connects with the touch chip.
11. display panel according to claim 10, it is characterised in that the touch-control lead is set with the anode with layer
Put.
12. display panel according to claim 10, it is characterised in that the display panel also includes：A plurality of touch-control letter
Number line, the touching signals line are arranged at the upper underlay substrate towards the side of the lower underlay substrate, the touch control electrode
Electrically connected by the touching signals line with second conductive structure；
Second conductive structure is located at the peripheral region and set close to the touch chip, second conductive structure and institute
State touch chip electrical connection.
13. display panel according to claim 8, it is characterised in that first conductive layer, the second conductive layer with it is described
Negative electrode is set with layer.
14. a kind of display device, it is characterised in that the display device includes：It is aobvious as described in any one of claim 1 to 13
Show panel.
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