CN109449302A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109449302A CN109449302A CN201811142592.5A CN201811142592A CN109449302A CN 109449302 A CN109449302 A CN 109449302A CN 201811142592 A CN201811142592 A CN 201811142592A CN 109449302 A CN109449302 A CN 109449302A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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Abstract
The present invention provides a kind of display panel and display device.Wherein, display panel includes the luminescence unit being arranged in array substrate and the pixel confining layer that luminescence unit is isolated, and luminescence unit includes the first electrode layer being cascading in array substrate, organic luminous layer and the second electrode lay；Display panel further includes auxiliary light emission layer, auxiliary light emission layer includes the interconnecting piece for covering the auxiliary light emission layer ontology of the second electrode lay and connecting with auxiliary light emission layer body edges, the setting of auxiliary light emission layer ontology face organic luminous layer, interconnecting piece are embedded in pixel confining layer.Display panel provided by the invention and display device, interconnecting piece is embedded in pixel confining layer, to increase the binding force between auxiliary light emission layer and pixel confining layer, and then increase the binding force between the second electrode lay and organic luminous layer, the second electrode lay and the organic luminous layer bad phenomenons such as peeling-off or second electrode fault rupture in bending are avoided, the service life of display device is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
Background technique
Organic Light Emitting Diode (Organic Light-Emitting Diode, referred to as OLED) display device is because having
Manufacture craft is simple, at low cost, low in energy consumption, light emission luminance is high, volume is frivolous and is easily achieved colored the advantages that showing, thus has
Have broad application prospects.
Existing OLED display generally includes the array substrate being cascading, anode layer, pixel confining layer, yin
Pole layer, light removing layer (Capping Layer, referred to as CPL) and encapsulated layer, wherein be formed with and be used in pixel confining layer
Accommodate the opening of organic luminous layer.
However, easily occurring removing after above-mentioned OLED display is repeatedly bent, between cathode layer and organic luminous layer, dividing
From and the bad phenomenons such as cathode fault rupture, bubbling, cause the service life of OLED display shorter.
Summary of the invention
The present invention provides a kind of display panel and display device, for improving the service life of OLED display.
The present invention provides a kind of display panel, and the luminescence unit in array substrate and the isolation luminescence unit is arranged in
Pixel confining layer, the luminescence unit includes the first electrode layer being cascading in the array substrate, You Jifa
Photosphere and the second electrode lay；The display panel further includes auxiliary light emission layer, and the auxiliary light emission layer includes covering described the
The auxiliary light emission layer ontology of two electrode layers and the interconnecting piece being connect with the auxiliary light emission layer body edges, the auxiliary light emission
Organic luminous layer setting, the interconnecting piece described in layer ontology face are embedded in the pixel confining layer.
Display panel as described above, wherein the interconnecting piece include first connecting portion and with the first connecting portion
The second connecting portion of connection；The one end of the second connecting portion far from the first connecting portion and the auxiliary light emission layer ontology connect
It connects.
The first connecting portion extends along the direction for being parallel to the pixel confining layer, the extension side of the second connecting portion
To between the extending direction of the first connecting portion have first angle.
Display panel as described above, wherein between the interconnecting piece and the organic luminous layer and the interconnecting piece
Interval is all had between the first electrode layer.
Display panel as described above, wherein the quantity of the interconnecting piece is multiple, multiple interconnecting piece interval settings
In the edge of the auxiliary light emission layer ontology.
Display panel as described above, wherein the interconnecting piece is the annular around the auxiliary light emission layer ontology surrounding
Structure.
Display panel as described above, wherein projected area of the auxiliary light emission layer in the array substrate is institute
Organic luminous layer is stated 1.2-1.3 times of projected area in the array substrate.
Display panel as described above, wherein the second electrode lay includes: the master being arranged on the organic luminous layer
It the second electrode lay, the auxiliary the second electrode lay being arranged in the pixel confining layer and is connect with the auxiliary the second electrode lay embedding
Enter portion.And the embedded division is embedded in the pixel confining layer.
Display panel as described above, wherein the embedded division include the first embedded division and with first embedded division
Second embedded division of connection；The one end of second embedded division far from first embedded division and the auxiliary the second electrode lay connect
It connects.
Display surface as described above, wherein the auxiliary light emission layer is light removing layer.
Display panel as described above, wherein the smooth removing layer includes light removing layer ontology and is entrained in the light
Transparent nano material in removing layer ontology, the hardness of the transparent nano material are greater than the hardness of the smooth removing layer ontology.
The present invention also provides a kind of display devices, including above-mentioned display panel.
In display panel provided by the invention and display device, auxiliary light emission layer includes the auxiliary hair for covering the second electrode lay
Photosphere ontology and the interconnecting piece being connect with auxiliary light emission layer body edges, and interconnecting piece is embedded in pixel confining layer, and it is existing
There is in technology light removing layer be fitted in pixel confining layer to compare, is provided with and is connected with auxiliary light emission layer ontology and embedding in the present invention
The interconnecting piece being located in pixel confining layer enhances the combination between auxiliary light emission layer and pixel confining layer using the interconnecting piece
Power, and then enhance the combination between the second electrode lay and organic luminous layer between auxiliary light emission layer and pixel confining layer
Power avoids the second electrode lay and the organic luminous layer bad phenomenons such as peeling-off or second electrode fault rupture in bending, improves
The service life of display device.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and by these
Outside beneficial effect brought by the technical characteristic of technical solution, what display panel provided by the invention and display device can solve
The other technical characteristics and these technical characteristic bring beneficial effects for including in other technologies problem, technical solution, will be
Further details of explanation is made in specific embodiment.
Detailed description of the invention
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and the present invention is not limited to following specific embodiments.
Fig. 1 is the structural schematic diagram of display panel in the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of display panel in the embodiment of the present invention two.
Description of symbols:
1: array substrate；2: pixel confining layer；
3: the second electrode lay；31: auxiliary the second electrode lay；
32: embedded division；321: the first embedded divisions；
322: the second embedded divisions；33: main the second electrode lay；
4: auxiliary light emission layer；41: auxiliary light emission layer ontology；
42: interconnecting piece；421: first connecting portion；
422: second connecting portion；5: organic luminous layer；
6: encapsulated layer.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and the present invention is not limited to following specific embodiments.
Fig. 1 is the structural schematic diagram of display panel in the embodiment of the present invention one.
Referring to FIG. 1, display panel provided in this embodiment include the luminescence unit being arranged in array substrate 1 and every
Pixel confining layer 2 from luminescence unit, luminescence unit include the first electrode layer being cascading in array substrate 1, have
Machine luminescent layer 5 and the second electrode lay 3；Auxiliary light emission layer 4 include covering the second electrode lay 3 auxiliary light emission layer ontology 41 and
The interconnecting piece 42 being connect with 41 edge of auxiliary light emission layer ontology, the setting of 41 face organic luminous layer 5 of auxiliary light emission layer ontology, connection
Portion 42 is embedded in pixel confining layer 2.
In the present embodiment, array substrate 1 is located at the bottom of display panel, may include the substrate being cascading
Substrate and thin film transistor (TFT) (Thin Film Transistor, abbreviation TFT) layer, wherein underlay substrate can be flexible base
Plate can be bent under force.
Pixel confining layer 2 and luminescence unit are arranged in array substrate 1, and luminescence unit can issue light beam, and pixel limits
Layer 2 can be used for that luminescence unit is isolated, to limit the position of luminous zone.
Luminescence unit may include first electrode layer, organic luminous layer 5 and the second electrode lay 3.First electrode layer is located at
In array substrate 1, it can be made of conductive materials such as metal or semiconductors, TFT layer is electrically connected with first electrode layer, for controlling
The on-off of electric current in first electrode layer processed.First electrode layer can be the anode of display panel, or cathode.
Organic luminous layer 5 is arranged in first electrode layer, can be arranged with 2 same layer of pixel confining layer, such as pixel limit
Given layer 2 is provided with the multiple openings arranged in array-like, and luminous organic material is provided in each opening, is arranged in each opening
Luminous organic material constitute organic luminous layer 5, open region is luminous zone.
The second electrode lay 3 is covered on pixel confining layer 2 and organic luminous layer 5, and the second electrode lay 3 can be by metal or half
The conductive materials such as conductor are made.In addition, the second electrode lay 3 can may be anode for cathode, it is not specifically limited herein.This
In embodiment, it is illustrated so that the second electrode lay 3 is cathode made of metal as an example.
Auxiliary light emission layer 4 is covered on the second electrode lay 3, and auxiliary light emission layer 4 can be transparent material layer, auxiliary light emission layer
4 type can there are many, for example, auxiliary light emission layer 4 can for polaroid constitute polarizing layer；Preferably, auxiliary light emission layer 4
It can be light removing layer, light removing layer can be the organic films such as three (8-hydroxyquinoline) aluminium (referred to as " Alq3 "), can also be with
For inorganic films such as zinc oxide, zinc selenide, tin oxide, antimony oxide or zinc sulphide.Light removing layer can reduce total reflection, increase
Light takes out, and display panel is enabled to widen spectrum, improve luminous efficiency.
It is further preferred that light removing layer includes light removing layer ontology and be entrained in light removing layer ontology transparent receive
The hardness of rice material, transparent nano material is greater than the hardness of light removing layer ontology, so that the bend resistance ability of light removing layer is improved,
Further increase the binding force between the second electrode lay 3 and organic luminous layer 5.In addition, transparent nano material can be molecule
The lesser transparent material of grain can may be organic material for inorganic material, and transparent material does not block light, will not
Influence the luminous intensity of display panel.Further, nanometer transparent material can be nano-titanium dioxide.
Auxiliary light emission layer 4 includes auxiliary light emission layer ontology 41 and the interconnecting piece 42 being connected on auxiliary light emission layer ontology 41.
Auxiliary light emission layer ontology 41 can be arranged with face organic luminous layer 5, so that can penetrate from the light beam that organic luminous layer 5 issues
Auxiliary light emission layer ontology 41 projects；Auxiliary light emission layer ontology 41 may include: the first part for covering 3 upper surface of the second electrode lay
And the second part of covering 3 side of the second electrode lay；Wherein, positioned at 3 side of the second electrode lay second part can be located at
The first part of 3 upper surface of the second electrode lay is vertical, and interconnecting piece 42 can connect at the edge of auxiliary light emission layer ontology 41, preferably
Ground, interconnecting piece 42, which can connect, deviates from one end of first part in second part.
Interconnecting piece 42 is embedded in pixel confining layer 2, specific implementation can there are many, for example, in pixel confining layer 2
It is arranged fluted, using the plane perpendicular to 2 upper surface of pixel confining layer as cross section, the cross-sectional shape of groove can be rectangular
Shape, inverted trapezoidal etc., it is preferable that the cross-sectional shape of groove can be gradually increased from top to bottom, further, the cross section shape of groove
Shape be gradually increased from top to bottom it is trapezoidal, interconnecting piece 42 fill in a groove so that interconnecting piece 42 be embedded in a groove
Structure.When display panel bending, cross-sectional shape is that trapezoidal groove can increase between interconnecting piece 42 and pixel confining layer 2
Binding force, prevent interconnecting piece 42 deviate from from pixel confining layer 2, to increase between pixel confining layer 2 and auxiliary light emission layer 4
Binding force.
The second electrode lay in bending process described in background technique aiming at the problem that easily peelable, fracture, bubbling, the present invention
Inventor find during the work time generate the above problem the main reason for be: the second electrode lay 3 be usually inorganic material film
Layer, and organic luminous layer 5 be usually organic material film laye, due to organic material and inorganic material molecule or atomic structure not
Together, so that binding force is weaker between the second electrode lay 3 and organic luminous layer 5, when display panel bending, 3 He of the second electrode lay
There is peeling between organic luminous layer 5；Moreover, the bending of the second electrode lay 3 relatively repeatedly after be easy to happen fracture or be bubbled existing
As.
In view of the foregoing, in display panel provided in this embodiment, auxiliary light emission layer 4 includes covering the second electrode lay
Auxiliary light emission layer ontology 41 and the interconnecting piece 42 being connect with 41 edge of auxiliary light emission layer ontology, and interconnecting piece 42 is embedded in pixel
In confining layers, when display panel bending, since interconnecting piece 42 is embedded in pixel confining layer 2, auxiliary light emission layer can be increased
Binding force between ontology 41 and pixel confining layer 2 avoids separating between pixel confining layer 2 and auxiliary light emission layer 4, and
Since auxiliary light emission layer ontology 41 is covered on 3 top of the second electrode lay, between the pixel confining layer 2 and auxiliary light emission layer 4 of increase
Binding force the second electrode lay 3 can be pressed more tightly against on organic luminous layer 5, improve the second electrode lay 3 and organic hair
Binding force between photosphere 5 avoids occurring to be layered between the two or removing, and avoids the second electrode lay 3 that fracture or drum occurs
Phenomena such as bubble, occurs, and improves the service life of display device.
In a preferred embodiment, interconnecting piece 42 may include first connecting portion 421 and connect 421 connections with first
Second connecting portion 422；The one end of second connecting portion 422 far from first connecting portion 421 can connect with auxiliary light emission layer ontology 41
It connects；First connecting portion 421 extends along the direction for being parallel to pixel confining layer 2, and the extending direction of second connecting portion 422 and first connects
There is first angle between the extending direction of socket part 421.
Specifically, interconnecting piece 42 can be made of two parts, and first connecting portion 421 can be along the left and right directions in Fig. 1
Extend, i.e., first connecting portion 421 extends along the direction for being parallel to pixel confining layer 2；Preferably, first connecting portion 421 is away from the
One end of two interconnecting pieces 422 backwards to organic luminous layer 5 direction be arranged, avoid first connecting portion 421 influence organic luminous layer 5 with
Bonding strength between pixel confining layer 2.
One end of second connecting portion 422 can be fixed with first connecting portion 421, and the other end of second connecting portion 422 can be with
It is fixed with auxiliary light emission layer ontology 41, it can form first angle between first connecting portion 421 and second connecting portion 422, first
Angle is greater than 0 degree less than 80 degree, it is preferable that first angle is 90 degree, and the shape of interconnecting piece 42 is allowed to be L shape.
In the above-described embodiments, interconnecting piece 42 is divided for two parts, and is in first angle between two parts, so that interconnecting piece
42 can play the role of " barb ", increase the attachment force between auxiliary light emission layer 4 and pixel confining layer 2.When display panel is bent
When, pixel confining layer 2 can apply the movement tendency opposite effect power of one with interconnecting piece 42 to first connecting portion 421, prevent
Interconnecting piece 42 is separated with pixel confining layer 2, to increase the binding force between pixel confining layer 2 and auxiliary light emission layer 4, Jin Erjin
One step increases the binding force between the second electrode lay 3 and organic luminous layer 5.
Preferably, between being all had between interconnecting piece 42 and organic luminous layer 5 and between interconnecting piece 42 and first electrode layer
Every improving the yield of display panel so as to avoid colour mixture.
Further, 42 quantity of interconnecting piece can for one, two or more, when be equipped with an interconnecting piece 42 when, interconnecting piece
42 be usually the ring structure around 41 surrounding of auxiliary light emission layer ontology.When setting there are two interconnecting piece 42, two interconnecting pieces 42
The two sides of auxiliary light emission layer ontology 41 can be symmetricly set on.When being equipped with multiple interconnecting pieces 42, multiple intervals of interconnecting piece 42 are set
It sets in the edge of auxiliary light emission layer ontology 41.
Using the arrangement mode or set-up mode of above-mentioned interconnecting piece 42, auxiliary light emission layer 4 can be enhanced and pixel limits
Bonding strength between layer 2 improves the binding force between organic luminous layer 5 and the second electrode lay 3.
It is noted that in the above display panel, thin-film encapsulation layer 6 is usually provided on auxiliary light emission layer 4
(Thin-Film Encapsulation Layer, TFE layers of abbreviation), thin-film encapsulation layer 6 cover the top surface of auxiliary light emission layer 4, with
And covering first electrode layer, pixel confining layer 2, the second electrode lay 3 and auxiliary light emission layer 4 side, for prevent moisture or
Grain etc. enters in organic luminous layer 5.
Fig. 2 is the structural schematic diagram of display panel in the embodiment of the present invention two.
On the basis of the above embodiment 1, the embodiment of the present invention two is further improved display panel, wherein real
The part identical with above-described embodiment one of example two is applied, can refer to and be described above；The difference of embodiment two and above-described embodiment one
Place is: referring to FIG. 2, the second electrode lay 3 include: the main the second electrode lay 33 being arranged on organic luminous layer 5, setting exist
Auxiliary the second electrode lay 31 in pixel confining layer 2 and the embedded division 32 being connect with auxiliary the second electrode lay 31.And embedded division 32 is embedding
It is located in pixel confining layer 2.
Specifically, the second electrode lay 3 includes main the second electrode lay 33, auxiliary the second electrode lay 31 and embedded division 32, master second
Electrode layer 33 covers organic luminous layer 5, and auxiliary the second electrode lay 31 covers at least partly pixel confining layer 2, embedded division 32 and can set
It sets on the bottom surface of auxiliary the second electrode lay 31, embedded division 32 is embedded in pixel confining layer 2, so that pixel confining layer 2 and the
The connection of two electrode layers 3 is even closer, when display panel being avoided to be bent the second electrode lay 3 and organic luminous layer 5 occur separation or
Person's removing, and avoid the fracture bubbling of the second electrode lay 3 etc..
Embedded division 32 be embedded into the mode in pixel confining layer 2 can there are many, for example, being provided in pixel confining layer 2
Groove, using the plane perpendicular to 2 upper surface of pixel confining layer as cross section, the cross-sectional shape of groove can be rectangle, fall
It is trapezoidal etc., it is preferable that the cross-sectional shape of groove can be gradually increased from top to bottom, and further, the cross-sectional shape of groove is
What is be gradually increased from top to bottom is trapezoidal, and embedded division 32 is filled in a groove, so that embedded division 32 is the structure being embedded in a groove.
When display panel bending, cross-sectional shape is that trapezoidal groove can increase the knot between embedded division 32 and pixel confining layer 2
With joint efforts, embedded division 32 is prevented to deviate from from pixel confining layer 2, to increase the combination between the second electrode lay 3 and organic luminous layer 5
Power.
In a preferred embodiment, embedded division 32 include the first embedded division 321 and connect with the first embedded division 321 the
Two embedded divisions 322；The one end of second embedded division 322 far from the first embedded division 321 is connect with auxiliary the second electrode lay 31；First insertion
Portion 321 extends along the direction for being parallel to pixel confining layer 2, the company of the extending direction of the second embedded division 322 and the first embedded division 321
Connecing has second angle between direction.
Specifically, embedded division 32 can be made of two parts, and the first embedded division 321 can be along the left and right directions in Fig. 2
Extend, i.e. the first embedded division 321 extends along the direction for being parallel to pixel confining layer 2；Preferably, the first embedded division 321 is away from the
One end of two embedded divisions 322 backwards to organic luminous layer 5 direction be arranged, avoid the first embedded division 321 influence organic luminous layer 5 with
Bonding strength between pixel confining layer 2.
One end of second embedded division 322 can be fixed with the first embedded division 321, and the other end of the second embedded division 322 can be with
It is fixed with auxiliary the second electrode lay 31, it can form second angle between the first embedded division 321 and the second embedded division 322, second jiao
Degree can be greater than 0 degree and be less than 180 degree.Preferably, second angle is 90 degree, and the shape of embedded division 32 is allowed to be L shape.
In the above-described embodiments, embedded division 32 is divided for two parts, and is in second angle between two parts, so that embedded division
32 can play the role of " barb ", increase the attachment force between the second electrode lay 3 and pixel confining layer 2.When display panel is bent
When, pixel confining layer 2 can apply the movement tendency opposite effect power of one with embedded division 32 to the first embedded division 321, prevent
Embedded division 32 is separated with pixel confining layer 2, to increase the binding force between pixel confining layer 2 and the second electrode lay 3, Jin Erjin
One step increases the binding force between the second electrode lay 3 and organic luminous layer 5.
In the above-described embodiments, 32 quantity of embedded division can for one, two or more, when be equipped with an embedded division 32
When, embedded division 32 is usually the ring structure of 31 surrounding of surrounding electric poles ontology.When setting there are two embedded division 32, two embedded divisions
32 can be symmetricly set on the two sides of electrode body 31.When being equipped with multiple embedded divisions 32, multiple embedded divisions 32 are arranged at intervals on
The edge of electrode body 31.
Using the arrangement mode or set-up mode of above-mentioned embedded division 32, the second electrode lay 3 can be enhanced and pixel limits
Bonding strength between layer 2 improves the binding force between organic luminous layer 5 and the second electrode lay 3.
It is preferably carried out mode as one kind, projected area of the auxiliary light emission layer 4 in array substrate 1 is organic luminous layer
5 1.2-1.3 times of projected area in array substrate 1, and projected area of the second electrode lay 3 in array substrate 1 is organic hair
Photosphere 5 is 1.1-1.2 times of projected area in array substrate 1, to will not both increase auxiliary light emission layer 4 and the second electricity too much
The area of pole layer 3 can also play the role of improving the binding force between the second electrode lay 3 and organic luminous layer 5.
The embodiment of the present invention also provides a kind of display device, the display panel including above-described embodiment one or embodiment two.
Wherein, the display panel of embodiment one includes that the luminescence unit being arranged in array substrate 1 and isolation are luminous single
The pixel confining layer 2 of member, luminescence unit includes the first electrode layer being cascading in array substrate 1, organic luminous layer 5
And the second electrode lay 3；Auxiliary light emission layer 4 includes the auxiliary light emission layer ontology 41 of covering the second electrode lay 3 and sends out with auxiliary
The interconnecting piece 42 of 41 edge of photosphere ontology connection, the setting of 41 face organic luminous layer 5 of auxiliary light emission layer ontology, interconnecting piece 42 are embedded
In pixel confining layer 2.
In the display panel that embodiment one provides, when display panel bending, since interconnecting piece 42 can be embedded in pixel
In confining layers 2, the binding force between interconnecting piece 42 and pixel confining layer 2 can be increased, avoid pixel confining layer 2 and auxiliary light emission
Separated between layer 4, and since auxiliary light emission layer 4 is covered on the top of the second electrode lay 3, increase pixel confining layer 2 with it is auxiliary
The second electrode lay 3 can be pressed more tightly against on organic luminous layer 5 by the binding force helped between luminescent layer 4, improve the second electricity
Binding force between pole layer 3 and organic luminous layer 5 avoids the two generation layering or removing or the second electrode lay 3 from being broken
Or phenomena such as being bubbled, improve the service life of display device.
The display panel of embodiment two includes the luminescence unit being arranged in array substrate 1 and the picture that luminescence unit is isolated
Plain confining layers 2, luminescence unit include the first electrode layer being cascading in array substrate 1, organic luminous layer 5 and
Two electrode layers 3；Auxiliary light emission layer 4 include covering the second electrode lay 3 auxiliary light emission layer ontology 41 and with auxiliary light emission layer sheet
The interconnecting piece 42 of 41 edge of body connection, the setting of 41 face organic luminous layer 5 of auxiliary light emission layer ontology, interconnecting piece 42 are embedded in pixel
In confining layers 2.The second electrode lay 3 includes: the main the second electrode lay 33 being arranged on organic luminous layer 5, setting in pixel restriction
Auxiliary the second electrode lay 31 on layer 2 and the embedded division 32 that is connect with auxiliary the second electrode lay 31.And embedded division 32 is embedded in pixel
In confining layers 2.
In the display panel that embodiment two provides, when display panel bending, since interconnecting piece 42 can be embedded in pixel
In confining layers 2, the binding force between interconnecting piece 42 and pixel confining layer 2 can be increased, avoid pixel confining layer 2 and auxiliary light emission
It separates, and then the second electrode lay 3 can be pressed more tightly against on organic luminous layer 5 between layer 4, improve second electrode
Binding force between layer 3 and organic luminous layer 5；In addition, since embedded division 32 is embedded into pixel confining layer 2, it is also possible that
The connection of pixel confining layer 2 and the second electrode lay 3 is even closer, further increases between the second electrode lay 3 and organic luminous layer 5
Binding force, both avoid occurring layering or removing or the problems such as the second electrode lay 3 occurs fracture or is bubbled, improve aobvious
The service life of showing device.
Display device provided in this embodiment is mobile phone, tablet computer, television set, display, e-book, Electronic Paper, intelligence
The products or components having a display function such as energy wrist-watch, laptop, Digital Frame or navigator.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the above description, reference term " one embodiment ", " example ", " specific example " or " some examples " etc.
Description mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example be contained in it is of the invention at least
In one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical reality
Apply example or example.Moreover, particular features, structures, materials, or characteristics described in any one or more embodiments or can be shown
It can be combined in any suitable manner in example.In addition, without conflicting with each other, those skilled in the art can be by this specification
Described in the features of different embodiments or examples and different embodiments or examples be combined.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (11)
1. a kind of display panel, which is characterized in that described luminous including the luminescence unit being arranged in array substrate and isolation
The pixel confining layer of unit, the luminescence unit include the first electrode layer being cascading in the array substrate, have
Machine luminescent layer and the second electrode lay；The display panel further includes auxiliary light emission layer, and the auxiliary light emission layer includes covering institute
The interconnecting piece stating the auxiliary light emission layer ontology of the second electrode lay and being connect with the auxiliary light emission layer body edges, the auxiliary
The setting of organic luminous layer described in luminescent layer ontology face, the interconnecting piece are embedded in the pixel confining layer.
2. display panel according to claim 1, which is characterized in that the interconnecting piece include first connecting portion and with institute
State the second connecting portion of first connecting portion connection；The one end of the second connecting portion far from the first connecting portion and the auxiliary
The connection of luminescent layer ontology；
The first connecting portion extends along the direction for being parallel to the pixel confining layer, the extending direction of the second connecting portion with
There is first angle between the extending direction of the first connecting portion.
3. display panel according to claim 2, which is characterized in that between the interconnecting piece and the organic luminous layer with
And interval is all had between the interconnecting piece and the first electrode layer.
4. display panel according to claim 3, which is characterized in that the quantity of the interconnecting piece be it is multiple, it is multiple described
Interconnecting piece is arranged at intervals on the edge of the auxiliary light emission layer ontology.
5. display panel according to claim 3, which is characterized in that the interconnecting piece is around the auxiliary light emission layer sheet
The ring structure of body surrounding.
6. display panel according to claim 2, which is characterized in that the auxiliary light emission layer is in the array substrate
Projected area is the organic luminous layer 1.2-1.3 times of projected area in the array substrate.
7. according to the described in any item display panels of claim 2-6, which is characterized in that the second electrode lay includes: setting
Main the second electrode lay on the organic luminous layer, the auxiliary the second electrode lay being arranged in the pixel confining layer and with institute
State the embedded division of auxiliary the second electrode lay connection；And the embedded division is embedded in the pixel confining layer.
8. display panel according to claim 7, which is characterized in that the embedded division include the first embedded division and with institute
State the second embedded division of the first embedded division connection；The one end of second embedded division far from first embedded division and described auxiliary the
The connection of two electrode layers；
First embedded division extends along the direction for being parallel to the pixel confining layer, the extending direction of second embedded division with
There is second angle between the connection direction of first embedded division.
9. display panel according to claim 1-6, which is characterized in that the auxiliary light emission layer is light taking-up
Layer.
10. display panel according to claim 9, which is characterized in that the smooth removing layer include light removing layer ontology with
And it is entrained in the transparent nano material in the smooth removing layer ontology, the hardness of the transparent nano material is taken out greater than the light
The hardness of layer ontology.
11. a kind of display device, which is characterized in that including the described in any item display panels of claim 1-10.
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| CN112713249A (en) * | 2020-12-14 | 2021-04-27 | 广州国显科技有限公司 | Display panel and preparation method thereof |
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Application publication date: 20190308 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Array base plate and display panel comprising same and display device and its repairing method License type: Common License Record date: 20191030 |
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