CN207425859U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN207425859U CN207425859U CN201721412376.9U CN201721412376U CN207425859U CN 207425859 U CN207425859 U CN 207425859U CN 201721412376 U CN201721412376 U CN 201721412376U CN 207425859 U CN207425859 U CN 207425859U
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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Abstract
The embodiment of the present application provides a kind of display panel and display device, is related to display technology field, and the occurrence probability of display crosstalk phenomenon is caused for reducing the parasitic capacitance in two neighboring pixel, generated between the anode of OLED device.The display panel includes multiple pixel units.The display panel further includes driving backboard, and driving has multiple first electrodes on backboard；First electrode is corresponded with pixel unit；Display panel further includes layer different with first electrode and the auxiliary electrode of insulation set；The orthographic projection on underlay substrate has overlapping area respectively for first electrode and auxiliary electrode；It first electrode and is electrically connected with the pixel circuit of the corresponding pixel unit of the first electrode；Auxiliary electrode is electrically connected with boost voltage end.The display panel is used to show image.
Description
Technical field
The utility model is related to display technology field more particularly to a kind of display panel and display devices.
Background technology
For existing display device, Organic Light Emitting Diode (Organic Light Emitting Diode,
OLED a kind of current mode luminescent device) is used as, because of its self-luminous, quick response, wide viewing angle and flexibility can be produced on
The features such as on substrate and be applied to more and more among high-performance display field.
With the continuous development of display technology, the resolution ratio of OLED display is higher and higher.Usual miniature (Micro)
OLED display, which uses, is more than 3000PPI (the superelevation PPI designs of (Pixels Per Inch, picture element density).For example, with
0.39 inch, for resolution ratio is 1024 × 768 OLED display, picture element density can reach 3256PPI.In this feelings
Under condition, as shown in Figure 1a, above-mentioned OLED display has multiple pixel units 10, wherein two neighboring pixel unit (A and B)
The distance between for 0.85 μm or so, the width of each pixel unit 10 is 4.35 μm.
Based on this, it can generate post between the anode of OLED device as shown in Figure 1 b, in above-mentioned two neighboring pixel unit 10
Raw capacitance CAnode.So, when only needing to light pixel unit A, and when pixel unit B needs to complete switch off, due to pixel
Unit B is subject to above-mentioned parasitic capacitance CAnodeCoupling and shine, as illustrated in figure 1 c, the OLED device in pixel unit B is applied
Added with voltage, so as to generate crosstalk phenomenon, display effect is reduced.
Utility model content
The embodiment of the utility model provides a kind of display panel and display device, for reducing in two neighboring pixel,
The parasitic capacitance generated between the anode of OLED device causes the occurrence probability of display crosstalk phenomenon.
In order to achieve the above objectives, the embodiment of the utility model adopts the following technical scheme that：
The one side of the embodiment of the present application provides a kind of display panel, including multiple pixel units；The display panel is also
Including driving backboard, there are multiple first electrodes on the driving backboard；The first electrode and the pixel unit one are a pair of
It should；The display panel further includes layer different with the first electrode and the auxiliary electrode of insulation set；The first electrode and institute
Stating auxiliary electrode, the orthographic projection on the underlay substrate has overlapping area respectively；The first electrode and with the first electrode
The pixel circuit electrical connection of corresponding pixel unit；The auxiliary electrode is electrically connected with boost voltage end.
Optionally, the display panel includes multiple auxiliary electrodes；Each auxiliary electrode and one described the
The orthographic projection on the underlay substrate has overlapping area to one electrode respectively.
Optionally, the display panel includes multiple auxiliary electrodes；First electrode in two neighboring pixel unit
The orthographic projection with the same auxiliary electrode on the underlay substrate has overlapping area respectively.
Optionally, two adjacent auxiliary electrodes are respectively with the same first electrode on the underlay substrate
Orthographic projection have overlapping area.
Further alternative, the auxiliary electrode of arbitrary neighborhood two is arranged at intervals.
Further alternative, all auxiliary electrodes are structure as a whole, and form the covering driving backboard close to described
The layer of auxiliary material of first electrode one side；The first via is provided in the layer of auxiliary material, the first electrode passes through described
First via is connected with the pixel circuit.
Optionally, the driving backboard further includes pixel defining layer；The pixel defining layer includes the barricade intersected；It is described
There is spacer insulator layer, and the spacer insulator layer is located at the barricade close to described between first electrode and the auxiliary electrode
The one side of underlay substrate.
Further alternative, the thickness of the spacer insulator layer at least three adjacent pixel units is different.
Further alternative, forming the material of the spacer insulator layer includes at least one of silica, silicon nitride.
Optionally, the driving backboard further includes pixel defining layer；The pixel defining layer includes the barricade intersected, described
Barricade intersection, which is enclosed, is set as multiple perforates；In each auxiliary electrode and a first electrode respectively in the underlay substrate
On orthographic projection there is overlapping area in the case of, at least provided with the first electrode and the auxiliary electricity in the perforate
Pole, the first electrode are electrically connected by the second via of the aperture bottom with the pixel circuit.
Optionally, the display panel further includes second electrode and is arranged in the perforate, and positioned at described second
Organic luminous layer between electrode and the first electrode；Wherein, organic luminous layer described at least three adjacent perforates
Luminescent color is different；Alternatively, the luminescent color of organic luminous layer is white described in each perforate.
Further alternative, the luminescent color of organic luminous layer described in each perforate is the situation of white
Under, the display panel further includes the chromatic filter layer for deviating from the underlay substrate one side positioned at the organic luminous layer.
Optionally, the driving backboard further includes signal lead；The auxiliary electrode by the signal lead with it is described
Boost voltage end is electrically connected.
Optionally, the boost voltage end is common voltage terminal.
The another aspect of the embodiment of the present application provides a kind of display device, including any one display surface as described above
Plate.
The embodiment of the present application provides a kind of display panel and display device, in conclusion the pixel unit of the display panel
In, first electrode and auxiliary electrode may be constructed the lower substrate and upper substrate of an auxiliary capacitor.In the case, for adjacent two
For a pixel unit, the auxiliary capacitor in one of pixel circuit can be in above-mentioned two adjacent pixel units
The electricity in parasitic capacitance that first electrode is formed is disperseed.Alternatively, it is respectively provided with when in two pixel units of arbitrary neighborhood
When stating auxiliary capacitor, the auxiliary capacitor in auxiliary capacitor and one other pixel circuit in one of pixel circuit can be with
Electricity in above-mentioned parasitic capacitance is disperseed.In the case, when only needing to light in two neighboring pixel unit
One of them, and when another needs to complete switch off, since the electricity in above-mentioned parasitic capacitance is in the effect of above-mentioned auxiliary capacitor
Under disperseed so that the first electrode in the pixel unit that need not be lighted will not be in the coupling of the parasitic capacitance
It is lower to obtain enough electricity to drive to the OLED device in the pixel unit, therefore it will not shine, and then reduce above-mentioned post
The probability that coupling luminescence phenomenon caused by raw capacitance generates, prevents the generation of crosstalk phenomenon, improves display effect.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 a are a kind of structure diagram of the pixel unit provided in the prior art；
Fig. 1 b are pixel circuit section structure diagram in the pixel unit shown in Fig. 1 a；
Fig. 1 c are that two neighboring pixel unit couples light emitting artificial figure in Fig. 1 a；
Fig. 2 is a kind of structure diagram for display panel that the utility model embodiment provides；
Fig. 3 is the structure diagram for another display panel that the utility model embodiment provides；
Fig. 4 is a kind of dispersion principle schematic diagram of the auxiliary capacitor in Fig. 2 in pixel unit to parasitic capacitance；
Fig. 5 is the structure diagram for another display panel that the utility model embodiment provides；
Fig. 6 is dispersion principle schematic diagram of another auxiliary capacitor in Fig. 2 in pixel unit to parasitic capacitance；
Fig. 7 is a kind of structure diagram of multiple auxiliary electrodes in Fig. 2；
Fig. 8 is another structure diagram of multiple auxiliary electrodes in Fig. 2；
Fig. 9 is a kind of structure diagram that auxiliary electrode provided by the embodiments of the present application is arranged at below barricade；
Figure 10 is another structure diagram that auxiliary electrode provided by the embodiments of the present application is arranged at below barricade；
Figure 11 is a kind of structure diagram of pixel defining layer in Fig. 2.
Reference numeral：
100- drives backboard；01- underlay substrates；10- pixel units；20- signal leads；21- first electrodes；213- intervals
Insulating layer；22- second electrodes；23- auxiliary electrodes；30- organic material functional layers；40- pixel defining layers；401- barricades；402-
Perforate；The first vias of 50-；The second vias of 51-.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Hereinafter, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the embodiment of the present application, unless otherwise indicated, " multiples' " contains
Justice is two or more.
The embodiment of the present application provides a kind of display panel, including multiple pixel units 10 as shown in Figure 1a.It is in addition, above-mentioned
Display panel further includes driving backboard 100 as shown in Figure 2, has multiple first electrodes 21 on the driving backboard 100.
Wherein, which corresponds with pixel unit 10, i.e., each first electrode 21 is located at a pixel list
In member 10, and 21 insulation set of first electrode in two neighboring pixel unit 10.
In addition, above-mentioned display panel further includes the auxiliary electrode 23 with 21 different layer of first electrode and insulation set.This first
The orthographic projection on underlay substrate 01 has overlapping area respectively for electrode 21 and auxiliary electrode 23.
Wherein, above-mentioned underlay substrate 01 can be transparent glass substrate or can also be made by transparent resin material
Hard the or flexible substrate formed.In the case, as shown in Fig. 2, TFT can be made on above-mentioned underlay substrate 01
(Thin Film Transistor, thin film transistor (TFT)), the driving backboard 100 are TFT backplate.At this point, in pixel unit 10
Multiple TFT, which are connected, may be constructed pixel circuit.
Alternatively, as shown in figure 3, the material for forming above-mentioned underlay substrate 01 can be the silicon substrate being mainly made of silicon chip.
In this case, directly driving circuit can be formed in above-mentioned silicon substrate by patterning processes.At this point, in pixel unit 10
Driving circuit is pixel circuit.Based on this, when using underlay substrate 01 of the silicon substrate as the driving backboard 100, there is the drive
The display panel of dynamic backboard 100 can be used for forming silicon substrate micro display device.
In the case, the material for forming above-mentioned first electrode 21 and auxiliary electrode 23 is conductive material, therefore works as and divide
Not after above-mentioned first electrode 21 and auxiliary electrode 23 apply voltage, the first electrode 21 and auxiliary electrode 23 can respectively constitute
The lower substrate and upper substrate of one auxiliary capacitor Cst.
It should be noted that in the application, the directional terminologies such as "up" and "down" are shown compared with the display panel in attached drawing
The orientation put anticipate to define, it should be understood that, these directional terminologies are opposite concepts, they be used for compared with retouch
It states and clarifies, can correspondingly be changed according to the variation in the orientation that display panel is placed.
Specifically, in order to form above-mentioned auxiliary capacitor, above-mentioned first electrode 21 and with the 21 corresponding picture of first electrode
The pixel circuit of plain unit 10 is connected.So, due to being located between the first electrode 21 in different pixels unit 10 absolutely
Edge is set, so as to the luminosity by the pixel circuit of different pixels unit 10 according to the pixel unit 10, respectively to
Each independent first electrode 21 applies charge.
At this point, when the distance between two neighboring pixel unit 10 is smaller, as shown in figure 4, two neighboring pixel unit
Above-mentioned parasitic capacitance C can be generated between 10 first electrode 21Anode。
In addition, in the display panel, auxiliary electrode 23 is electrically connected with boost voltage end.Optionally, in above-mentioned display panel
On be provided with common voltage terminal Vcom in the case of, above-mentioned boost voltage can be common voltage terminal Vcom.
Based on this, in order to which above-mentioned auxiliary electrode 23 can be electrically connected with common voltage terminal Vcom, optionally, such as Fig. 2 or 3
It is shown, signal lead 20 can be made on driving backboard 100, one end of the signal lead 20 is electrically connected with above-mentioned auxiliary electrode 23
It connects, the other end can extend to the edge of display panel, with the common voltage terminal Vcom electricity with being arranged at the display panel edge
Connection.
Wherein, when drive backboard 100 be above-mentioned TFT backplate when, above-mentioned signal lead 20 can as shown in Figure 2 with the driving
The source electrode (or drain electrode) of TFT on backboard 100 is the same as the same material of layer；Or as shown in figure 5, above-mentioned signal lead 20 can also be with this
The grid of TFT is the same as the same material of layer.So, the source electrode of above-mentioned TFT or grid can made by a patterning processes
Meanwhile complete the preparation of above-mentioned signal lead 20.
Further, in order to optimize wiring space so that the wiring in the display area of the display panel is neat, optional
, in the case where above-mentioned display panel has grid line and data cable, above-mentioned signal lead 20 can be parallel with grid line, Huo Zheyu
Data cable is parallel.The embodiment of the present application does not limit this.
It should be noted that in this application, patterning processes, can refer to include photoetching process or, including photoetching process and
Etch step, while other can also be used for the technique for forming predetermined pattern including printing, ink-jet etc.；Photoetching process refers to wrap
Include the technique for forming figure using photoresist, mask plate, exposure machine etc. of the technical process such as film forming, exposure, development.It can be according to this
The corresponding patterning processes of structure choice formed in utility model.
Wherein, a patterning processes in the utility model embodiment are to be formed not by a mask exposure technique
Then same exposure area carries out the removal techniques such as multiple etching, ashing to different exposure areas and finally obtains expected pattern
Exemplified by the explanation that carries out.
In conclusion in each pixel unit 10, first electrode 21 and auxiliary electrode 23 may be constructed an auxiliary capacitor Cst
Lower substrate and upper substrate.In the case, it is as shown in figure 4, upper when having in a pixel circuit 10 (for example, pixel circuit A)
When stating first electrode 21 and auxiliary electrode 23, for two neighboring pixel unit 10 (for example, pixel unit A and pixel unit B)
For, the auxiliary capacitor Cst in pixel circuit AA, can be to the first electrode 21 and picture in above-mentioned adjacent pixel unit A
The parasitic capacitance C that first electrode 21 in plain unit B is formedAnodeOn electricity disperseed.
It is alternatively, above-mentioned when being respectively provided in two pixel units 10 of arbitrary neighborhood (for example, pixel unit A and pixel unit B)
When first electrode 21 and auxiliary electrode 23, as shown in fig. 6, the auxiliary capacitor Cst in pixel circuit AAAnd in pixel circuit B
Auxiliary capacitor CstBIt can be to above-mentioned parasitic capacitance CAnodeOn electricity disperseed.
In the case, when only needing to light pixel unit A, and when pixel unit B needs to complete switch off, pixel unit A
In first electrode 21 on need to apply voltage, apply in the first electrode 21 in pixel unit B without voltage.Although at this point,
There are parasitic capacitance C between two first electrodes 21 of pixel unit A and pixel unit BAnode, but due to above-mentioned parasitic capacitance
In charge by the auxiliary capacitor Cst in Fig. 4AOr by the auxiliary capacitor Cst in Fig. 6AWith auxiliary capacitor CstBIt is scattered, so as to
So that the first electrode 21 in pixel unit B will not be in parasitic capacitance CAnodeCoupling under obtain enough electricity to drive
It moves to the OLED device in pixel unit B.At this point, the OLED device in pixel unit B will not be by above-mentioned parasitic capacitance CAnodeCoupling
It closes and shines, and then reduce above-mentioned parasitic capacitance CAnodeThe probability that caused coupling luminescence phenomenon generates, prevents crosstalk phenomenon
Occur, improve display effect.
On this basis, when above-mentioned display panel includes multiple auxiliary electrodes 23, above-mentioned multiple auxiliary electrodes 23 can be with
It is arranged at intervals as shown in Figure 7, so that insulating between any two auxiliary electrode 23.
Alternatively, when above-mentioned display panel includes multiple auxiliary electrodes 23, it can be with as shown in figure 8, multiple auxiliary electrodes
23 are structure as a whole, which can be a flood film layer, and driving backboard 100 is covered close to first electrode 21 to form
The layer of auxiliary material 230 of one side.
Based on this, when auxiliary electrode 23 compared with first electrode 21 closer to driving backboard 100 when, in order to enable above-mentioned the
One electrode 21 can be electrically connected with the pixel circuit in the pixel unit 10 where the first electrode 21, optionally, such as Fig. 8 institutes
Show, the first via 51 is provided in above-mentioned layer of auxiliary material 230, which passes through above-mentioned first via 51 and pixel electricity
Road is connected.
Can be hexagon it should be noted that the application does not limit the shape of above-mentioned auxiliary electrode 23, Huo Zhewei
Rectangle as shown in Figure 7.In addition the shape of first electrode 21 is same as above.
On this basis, above-mentioned driving backboard 100 further includes pixel defining layer 40 (as shown in Figure 2).Wherein, pixel circle
Given layer 40 includes barricade 401 arranged in a crossed manner, and the above-mentioned intersection of barricade 401, which is enclosed, is set as multiple perforates 402.
It should be noted that multiple above-mentioned barricades 401 can as shown in figure 11 transverse and longitudinal it is arranged in a crossed manner so that perforate 402
Opening shape be rectangle.Or multiple above-mentioned barricades 401 can also be arranged in a crossed manner with certain inclination angle, so that opening 402
Opening shape as shown in Figure 1a be hexagon.The application does not limit this.
On this basis, at least formed with first electrode 21 in above-mentioned perforate 402, which passes through aperture bottom
Second via 52 (as shown in Figure 2) is electrically connected with pixel circuit.Based on this, the set-up mode of auxiliary electrode 23 is lifted below
Example explanation.
Specifically, for example, above-mentioned display panel include multiple auxiliary electrodes 23 in the case of, each auxiliary electrode 23 with
The orthographic projection on underlay substrate 01 has overlapping area to one first electrode 21 respectively.At this point, each first electrode 21 corresponds to
There are one auxiliary electrodes 23.
In the case, when above-mentioned multiple auxiliary electrodes 23 are arranged at intervals as shown in Figure 7, as shown in Fig. 2, it is auxiliary to form one
The first electrode 21 of electrode and auxiliary electrode 23 is helped to may be contained in above-mentioned perforate 402.
Alternatively, when above-mentioned multiple auxiliary electrodes 23 are structure as a whole as shown in Figure 8, as shown in figure 3, above-mentioned auxiliary electrode
First electrode 21 be arranged in above-mentioned perforate 402, and auxiliary electrode 23 is arranged at the lower section of above-mentioned perforate 402, and is not located at
The inside of the perforate 402.
In another example in the case where above-mentioned display panel includes multiple auxiliary electrodes 23, for as shown in Figure 7 multiple
For the auxiliary electrode 23 or the multiple auxiliary electrodes 23 being structure as a whole as shown in Figure 8 of setting, the plurality of auxiliary electricity
Mode as shown in Figure 9 may be employed in the set-up mode of pole 23.Specifically, first in two neighboring pixel unit (A and B)
Orthographic projection of the electrode 21 respectively with same auxiliary electrode 23 on underlay substrate 01 has overlapping area.
Specifically, 21 and one auxiliary electrode 23 of the first electrode positive throwing on underlay substrate 01 respectively in pixel unit A
Shadow has overlapping area.In addition, first electrode 21 in pixel unit B and above-mentioned auxiliary electrode 23 are respectively on underlay substrate 01
Orthographic projection have overlapping area.
In the case, the auxiliary capacitor Cst being made of in pixel unit A first electrode 21 and auxiliary electrode 23AWith picture
The auxiliary capacitor Cst being made of in plain unit B first electrode 21 and auxiliary electrode 23BShare same lower substrate.
So, it is auxiliary in display panel for auxiliary electrode 23 and 10 one-to-one scheme of pixel unit
Help the size of electrode 23 can be larger with respect to making, and quantity can be reduced suitably, it is above-mentioned when being made of mask exposure technique
It is not high to the required precision of mask plate during auxiliary electrode 23, advantageously reduce production cost.
Further, after being reduced due to the quantity of auxiliary electrode 23, the signal lead 20 that is connected with the auxiliary electrode 23
Quantity also accordingly reduce.So, the shading-area of above-mentioned display area can be reduced, reaches and improves display area opening
The purpose of rate.
On the basis of using display panel structure shown in Fig. 9, as shown in Figure 10, adjacent two auxiliary electrodes 23 divide
Orthographic projection not with same first electrode 21 on underlay substrate 01 has overlapping area.
Specifically, two adjacent auxiliary electrodes 23 have overlapping area with the first electrode 21 in pixel unit A.
In the case, multiple auxiliary electrodes 23 in the display panel can be arranged at intervals as shown in Figure 7.It is or multiple
Auxiliary electrode 23 can also be structure as a whole as shown in Figure 8.When multiple auxiliary electrodes 23 are structure as a whole to form a flood
During layer of auxiliary material 230, in the layer of auxiliary material 230 as shown in Figure 10, have for so that in first electrode 21 and silicon substrate
First via 51 of pixel circuit electrical connection.
It should be noted that two neighboring pixel unit 10 refers to do not have other between two pixel units 10 in the application
Pixel unit 10.At this time one of pixel unit 10 can with positioned at its periphery (upper and lower, left and right, upper left, lower-left, upper right,
The orientation such as bottom right) any one pixel unit 10 it is adjacent.In addition, the meaning of " adjacent " in two adjacent auxiliary electrodes 23
Same as above, details are not described herein again.
Next, the other structures of the display panel are described in detail.
Above-mentioned display panel is as shown in Fig. 2, further including second electrode 22 and being arranged in the perforate 402, and be located at upper
State the organic material functional layer 30 between second electrode 22 and first electrode 21.
Wherein, which includes above-mentioned hole injection layer, hole transmission layer, organic luminous layer, electronics
Transport layer and electron injecting layer etc..Each film layer can pass through evaporation process or ink-jet in the organic material functional layer 30
Printing technology is formed, and the embodiment of the present application does not limit this.
In order to realize colored display, organic hair in organic material functional layer 30 at least three adjacent perforates 402
The color that photosphere shines is different.For example, organic luminous layer sends feux rouges (R), green light (G) respectively in three adjacent perforates 402
And blue light (B).
Alternatively, the luminescent color all same of the organic luminous layer in organic material functional layer 30 in each perforate 402,
For white.In the case, in order to realize colored display, above-mentioned display panel is further included deviates from substrate positioned at the organic luminous layer
The chromatic filter layer (not shown) of 01 one side of substrate.
Above-mentioned chromatic filter layer can be arranged between organic material functional layer 30 and second electrode 22；Or above-mentioned colour
Filter layer can also be arranged at the one side that second electrode 22 deviates from the underlay substrate 01.The embodiment of the present application does not limit this.
Specifically, the chromatic filter layer includes multiple filter units, each filter unit and a pixel unit 10 are opposite
It should.The color of at least three adjacent filter units is different, such as can be red (R) filter unit, blueness (B) filter unit
And green (G) filter unit.
Further, in order to enable insulating between first electrode 21 and auxiliary electrode 23, optionally, such as Fig. 2 or Fig. 3 institutes
Show, spacer insulator layer 213 is provided between above-mentioned first electrode 21 and auxiliary electrode 23.
It should be noted that as shown in Fig. 2, when auxiliary electrode 23 is corresponded with first electrode 21, and auxiliary electrode 23
When being respectively positioned on first electrode 21 in above-mentioned perforate 402, the spacer insulator layer 213 between the first electrode 21 and auxiliary electrode 23
It also is located in above-mentioned perforate 402.
Alternatively, as shown in Fig. 3, Fig. 9 and Figure 10, when auxiliary electrode 23 is not provided with when in perforate 402, above-mentioned completely cuts off
Edge layer 213 is arranged at barricade 401 close to the one side of underlay substrate 01.
Wherein, optionally, forming the material of the spacer insulator layer 213 includes at least one of silica, silicon nitride.
Based on this, the thickness of the spacer insulator layer 213 at least three adjacent pixel units 10 can be different.Such one
Come, the thickness of spacer insulator layer 213 can be adjusted, so as to OLED according to the luminescent color of pixel unit 10
The microcavity thickness of device is adjusted.It so, can be respectively to the pixel unit 10 of hair different colours light, such as send
The pixel unit 10 of feux rouges (R), green light (G) or blue light (B) is enhanced respectively, goes out light efficiency with improve above-mentioned pixel unit 10
Rate.
On this basis, when above-mentioned display panel be top-emitting OLED display panel when, form second electrode 22 and
The material of first electrode 21 can be the conductive material of transmitance higher (be typically larger than 80%), such as tin indium oxide (Indium
Tin Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO) etc..
And the material for forming above-mentioned auxiliary electrode 23 can include at least one of aluminium, molybdenum and titanium.In the case,
The light that above-mentioned organic luminous layer is sent can be reflected by auxiliary electrode 23, go out light efficiency with improve pixel unit 10
Rate.
In the case, above-mentioned first electrode 21 can be the anode of OLED device, and second electrode 22 can be OLED devices
The cathode of part.
The utility model embodiment provides a kind of display device, including any one display panel as described above.This is aobvious
Showing device has the technique effect identical with the display panel of previous embodiment offer, and details are not described herein again.
It should be noted that in this application, touch control display apparatus can be TV, Digital Frame, mobile phone or tablet electricity
Any product or component with display function such as brain.
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain of profit requirement.
Claims (15)
1. a kind of display panel, including multiple pixel units；It is characterized in that, the display panel further includes driving backboard, institute
Stating on driving backboard has multiple first electrodes；The first electrode is corresponded with the pixel unit；
The display panel further includes layer different with the first electrode and the auxiliary electrode of insulation set；The first electrode and institute
Stating auxiliary electrode, the orthographic projection on underlay substrate has overlapping area respectively；
It the first electrode and is electrically connected with the pixel circuit of the corresponding pixel unit of the first electrode；The auxiliary electrode with
Boost voltage end is electrically connected.
2. display panel according to claim 1, which is characterized in that the display panel includes multiple auxiliary electricity
Pole；The orthographic projection on the underlay substrate has overlapping face respectively for each auxiliary electrode and a first electrode
Product.
3. display panel according to claim 1, which is characterized in that the display panel includes multiple auxiliary electricity
Pole；
First electrode in two neighboring pixel unit respectively with the same auxiliary electrode on the underlay substrate just
Projection has overlapping area.
4. display panel according to claim 3, which is characterized in that two adjacent auxiliary electrodes respectively with it is same
Orthographic projection of a first electrode on the underlay substrate has overlapping area.
5. according to claim 2-4 any one of them display panels, which is characterized in that two auxiliary electrodes of arbitrary neighborhood
It is arranged at intervals.
6. according to claim 2-4 any one of them display panels, which is characterized in that all auxiliary electrodes are integrated knot
Structure forms layer of auxiliary material of the covering driving backboard close to the first electrode one side；
The first via is provided in the layer of auxiliary material, the first electrode passes through first via and the pixel circuit
It is connected.
7. the display panel according to claim 3 or 4, which is characterized in that the driving backboard further includes pixel defining layer；
The pixel defining layer includes the barricade intersected；
There is spacer insulator layer, and the spacer insulator layer is located at the barricade between the first electrode and the auxiliary electrode
Close to the one side of the underlay substrate.
8. display panel according to claim 7, which is characterized in that completely cut off between at least three adjacent pixel units
The thickness of edge layer is different.
9. display panel according to claim 7, which is characterized in that forming the material of the spacer insulator layer includes dioxy
At least one of SiClx, silicon nitride.
10. display panel according to claim 5, which is characterized in that the driving backboard further includes pixel defining layer；Institute
Stating pixel defining layer includes the barricade intersected, and the barricade intersection, which is enclosed, is set as multiple perforates；
Each auxiliary electrode and a first electrode respectively the orthographic projection on the underlay substrate have it is overlapping
In the case of area, at least provided with the first electrode and the auxiliary electrode in the perforate, the first electrode passes through
Second via of the aperture bottom is electrically connected with the pixel circuit.
11. display panel according to claim 10, which is characterized in that the display panel further includes second electrode, with
And be arranged in the perforate, and the organic luminous layer between the second electrode and the first electrode；
Wherein, the luminescent color of organic luminous layer described at least three adjacent perforates is different；
Alternatively, the luminescent color of organic luminous layer is white described in each perforate.
12. display panel according to claim 11, which is characterized in that the organic luminous layer described in each perforate
Luminescent color be white in the case of, the display panel further include positioned at the organic luminous layer deviate from the substrate base
The chromatic filter layer of plate one side.
13. display panel according to claim 1, which is characterized in that the driving backboard further includes signal lead；It is described
Auxiliary electrode is electrically connected by the signal lead with the boost voltage end.
14. display panel according to claim 1, which is characterized in that the boost voltage end is common voltage terminal.
15. a kind of display device, which is characterized in that including such as claim 1-14 any one of them display panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412376.9U CN207425859U (en) | 2017-10-27 | 2017-10-27 | A kind of display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412376.9U CN207425859U (en) | 2017-10-27 | 2017-10-27 | A kind of display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN207425859U true CN207425859U (en) | 2018-05-29 |
Family
ID=62309536
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| CN201721412376.9U Active CN207425859U (en) | 2017-10-27 | 2017-10-27 | A kind of display panel and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080564A1 (en) * | 2017-10-27 | 2019-05-02 | Boe Technology Group Co., Ltd. | Display substrate, display apparatus, and method of fabricating display substrate |
| CN109817816A (en) * | 2019-01-25 | 2019-05-28 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method |
| CN111833810A (en) * | 2020-07-29 | 2020-10-27 | 云谷（固安）科技有限公司 | Display panel driving method and device and display panel |
| CN113113462A (en) * | 2021-04-14 | 2021-07-13 | 武汉京东方光电科技有限公司 | Display panel and display device |
| US11075354B2 (en) | 2019-01-25 | 2021-07-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and method for manufacturing thereof |
-
2017
- 2017-10-27 CN CN201721412376.9U patent/CN207425859U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080564A1 (en) * | 2017-10-27 | 2019-05-02 | Boe Technology Group Co., Ltd. | Display substrate, display apparatus, and method of fabricating display substrate |
| CN109817816A (en) * | 2019-01-25 | 2019-05-28 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method |
| US11075354B2 (en) | 2019-01-25 | 2021-07-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and method for manufacturing thereof |
| CN111833810A (en) * | 2020-07-29 | 2020-10-27 | 云谷（固安）科技有限公司 | Display panel driving method and device and display panel |
| CN113113462A (en) * | 2021-04-14 | 2021-07-13 | 武汉京东方光电科技有限公司 | Display panel and display device |
| CN113113462B (en) * | 2021-04-14 | 2023-08-11 | 武汉京东方光电科技有限公司 | Display panel and display device |
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