CN108172694A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN108172694A CN108172694A CN201711396949.8A CN201711396949A CN108172694A CN 108172694 A CN108172694 A CN 108172694A CN 201711396949 A CN201711396949 A CN 201711396949A CN 108172694 A CN108172694 A CN 108172694A
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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
- H10K50/81—Anodes
- H10K50/816—Multilayers, e.g. transparent multilayers
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- H—ELECTRICITY
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- 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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- 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
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
- H10K50/131—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit with spacer layers between the electroluminescent layers
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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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
Abstract
This application involves display technology field more particularly to a kind of display panel and display device, to solve the problems, such as that display panel shows that picture turns to be yellow under low-power consumption in the prior art.The display panel includes first electrode, second electrode and luminescent layer, and conductive filter layer is provided in the first electrode of the luminescent layer light-emitting surface side, and the blue light transmitance of the conduction filter layer is more than yellow light transmitance.Conductive filter layer is arranged in the first electrode corresponding to display panel light direction by the application, since the blue light transmitance of the conduction filter layer is more than yellow light transmitance, so that light is when by first electrode, the blue light of transmission is more than yellow light, and the color for making emergent ray via the conduction filter layer is more balanced.Ensure that for the ratio of blue light and yellow light more close to the harmony of harmonious colours, balance display panel integrally shows tone in light be emitted via first electrode, improve yellow light large percentage in the prior art and existing picture partially Huang the problem of.
Description
Technical field
This application involves display technology field more particularly to a kind of display panel and display devices.
Background technology
For existing electroluminescence display panel, as shown in Figure 1, frequently including anode 11, cathode 13 and luminescent layer
12.The luminescent layer 12 is folded between anode 11 and cathode 13, in luminescent layer 12 can include red pixel, green pixel and
Blue pixel.Anode 11 provides hole for luminescent layer 12, and cathode 13 provides electronics for luminescent layer, and luminescent layer 12 is in electronics and hole
Recombination process in shine.
In the prior art, which generally requires to start at higher voltages, when anode 11 and the moon
When there is higher voltage difference between pole 13, the display picture tone of the display panel is balanced, without the situation of colour cast.But
At the lower voltage, compared with red pixel, green pixel, the light that blue pixel is sent out is weaker for existing display panel, display
Picture often will appear the phenomenon that partially yellow, cause display panel integral color partially yellow, poor display effect.
Invention content
The application provides a kind of display panel and display device, to solve in the prior art display panel in lower power consumption
The problem of lower display picture jaundice.
The application uses following technical proposals:
A kind of display panel including first electrode, second electrode and is folded in the first electrode and second electricity
Luminescent layer between pole is provided with conductive filter layer in the first electrode of the luminescent layer light-emitting surface side, wherein, it is described
The blue light transmitance of conductive filter layer is more than yellow light transmitance.
Preferably, the luminescent layer is the laminated construction including at least two pixel layers.
Preferably, the display panel further includes:The connection electrode being arranged between the adjacent pixel layer of the luminescent layer,
Wherein, it is provided with conductive filter layer in the connection electrode.
Preferably, the luminescent layer includes two pixel layers, wherein, green pixel is positioned close to the second electrode
In pixel layer.
Preferably, the luminescent layer includes three pixel layers;Wherein, green pixel is positioned close to the second electrode
In pixel layer, alternatively, green pixel is arranged in the pixel layer among laminated construction.
Preferably, the surface far from the luminescent layer is provided with reflective layer in the second electrode;Wherein, it is described
Conductive filter layer is provided in second electrode.
Preferably, the electrode for being provided with the conductive filter layer is at least three layer stacked structures, the conduction filter layer folder
It is located between arbitrary neighborhood film layer.
Preferably, the electrode for being provided with the conductive filter layer is two layer stacked structures, and the conduction filter layer is arranged on
Any surface of film layer.
Preferably, the material of the conductive filter layer is organic matter or metal or metal oxide.
Preferably, the conductive filter layer is metal oxide, and the thickness range of the conduction filter layer is micro- for 2 micron -5
Rice.
A kind of display device, including any one above-mentioned display panel.
The technical solution of the application can reach following advantageous effect:
Conductive filter layer is arranged in the first electrode corresponding to display panel light direction by the application, since conduction is filtered
The blue light transmitance of photosphere is more than yellow light transmitance so that for light when by first electrode, the yellow light being filtered is more than indigo plant
Light, in other words, more than yellow light, the color for making emergent ray via the conduction filter layer is more balanced for the blue light of transmission.So as to,
Ensure that the ratio of blue light and yellow light is more close to the harmony of harmonious colours, balance display in the light being emitted via first electrode
Panel integrally shows tone, improve yellow light large percentage in the prior art and the problem of partially yellow existing picture.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Illustrative embodiments and their description please do not form the improper restriction to the application for explaining the application.In the accompanying drawings:
Fig. 1 is display panel film layer structure schematic diagram in the prior art;
Fig. 2 is one of this programme display panel film layer structure schematic diagram;
Fig. 3 is the two of this programme display panel film layer structure schematic diagram;
Fig. 4 a are one of display panel film layer structure schematic diagram of this programme two-layer sandwich;
Fig. 4 b are the two of the display panel film layer structure schematic diagram of this programme two-layer sandwich;
Fig. 5 a are one of display panel film layer structure schematic diagram of three layer stacked structure of this programme;
Fig. 5 b are the two of the display panel film layer structure schematic diagram of three layer stacked structure of this programme;
Fig. 6 is the display panel film layer structure schematic diagram that this programme has reflective layer;
Fig. 7 a are one of film layer structure schematic diagram of electrode where this programme conduction filter layer;
Fig. 7 b are two of the film layer structure schematic diagram of electrode where this programme conduction filter layer.
Specific embodiment
Purpose, technical scheme and advantage to make the application are clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.The display surface that the application provides
Plate can be applied to the various electronic equipments with display function, be mainly used for realizing the display output function of electronic equipment.
Embodiment one
The embodiment of the present application provides a kind of display panel, as shown in Fig. 2, the light direction of display panel in figure with arrow
It shows, which includes first electrode 21, second electrode 23 and be folded in the first electrode 21 and second electricity
Luminescent layer 22 between pole 23 is provided with conductive filter layer a in the first electrode 21 of the 22 light-emitting surface side of luminescent layer,
Wherein, the blue light transmitance of the conductive filter layer a is more than yellow light transmitance.
In the present embodiment, first electrode 21 is anode, and second electrode 23 is cathode, it should be appreciated that according to reality
The demand of production, anode and cathode can be interchanged, i.e., first electrode 21 is cathode, and second electrode 23 is anode.It is in addition, existing
For display panel often by a face light extraction, the luminescent layer light-emitting surface can be understood as the light-emitting surface of display panel, above-mentioned display
Panel can have following two structures:
Structure one:
As shown in Fig. 2, the first electrode in above structure corresponding to the light-emitting surface side of luminescent layer 22 is anode 21.In sun
Conductive filter layer a is provided in pole 21, the blue light transmitance of conduction filter layer a is more than yellow light transmitance.When in the structure
When luminescent layer 22 shines, light enters anode 21 by luminescent layer 22, based on the above-mentioned light-filtering characteristic of conductive filter layer a, anode 21
In conductive filter layer a the yellow light in light can be filtered, absorb light in yellow light, meanwhile, as far as possible ensure pass through
Blue light light it is unaffected, i.e., blue light conductive filter layer a translucency be more than yellow light translucency.The light that luminescent layer 22 is sent out
Line is weakened by conductive filter layer a, yellow light brightness, so that balanced via the light integral color that anode 21 is sent out,
Alleviate display panel and show the partially yellow situation of picture entirety.
Structure two:
As shown in Fig. 2, the first electrode 21 in above structure corresponding to the light emission direction of luminescent layer 22 is cathode.In cathode
Conductive filter layer a is provided in 21, the blue light transmitance of conduction filter layer a is more than yellow light transmitance.Hair in the structure
When photosphere 22 shines, light enters cathode 21 by luminescent layer 22, the conductive filter layer a in cathode 21 can to the yellow light in light into
It goes and filters, so as to make to balance via the light integral color that cathode 21 is sent out, alleviate display panel and show picture entirety Huang partially
Situation.
By above technical scheme, the application is provided with conductive optical filtering in the first electrode of luminescent layer light-emitting surface side
Layer, since the blue light transmitance of conductive filter layer is more than yellow light transmitance so that light is filtered when by first electrode
Yellow light more than blue light, in other words, the blue light of transmission is more than yellow light.So as to ensure blue in the light being emitted via first electrode
The ratio of light and yellow light improves yellow light large percentage in the prior art and existing picture more close to the harmony of harmonious colours
The problem of partially yellow.In addition to this, the conduction filter layer is conductive, can reduce the resistance of one lateral electrode of luminescent layer light-emitting surface,
So as to improve the polar plate voltage to a certain extent, enhance the voltage difference between the pole plate of luminescent layer both sides, improve screen body overall brightness.
In the display panel involved by the application, the conduction filter layer can be organic matter or metal or metal oxidation
Object, when the conduction filter layer is metal oxide, the thickness of the conduction filter layer is more than or equal to 2 microns and less than or equal to 5
Micron.
Embodiment two
Based on above-described embodiment, the embodiment of the present application also provides a kind of display panel, luminescent layer described in the display panel
To include at least the laminated construction of two pixel layers;It is arranged between the adjacent pixel layer of the luminescent layer in addition, further including
Connection electrode, wherein, conductive filter layer is provided in the connection electrode.As shown in figure 3, first electrode 21 and second electrode 23
In be folded with luminescent layer 22, luminescent layer 22 includes the laminated construction of two pixel layers, and the first pixel layer 221 is close to first electrode
21, the second pixel layer 222 is also folded with connection close to second electrode 23 between the first pixel layer 221 and the second pixel layer 222
Electrode 24 is provided with conductive filter layer 21a in first electrode 21, and conductive filter layer 24a is provided in connection electrode 24.
Above structure is provided with conductive filter layer 24a in connection electrode 24, since the blue light of conduction filter layer 24a is saturating
Rate is crossed more than yellow light transmitance, thus it is possible to which the yellow light during further filtering luminescent layer 22 emits beam, weakens by connection electrode
Yellow light light intensity in 24 light, making the blue light of transmission, balance display panel integrally shows tone, alleviates display surface more than yellow light
Plate shows the phenomenon that picture is partially yellow under low-power consumption.In addition, since conductive filter layer 24a is conductive, it can be to a certain degree
The resistance of connection electrode 24 is reduced, improves 22 whole lighting efficiency of luminescent layer.
Based on the structure of above-mentioned display panel, the luminescent layer includes two pixel layers, wherein, green pixel, which is arranged on, to be leaned on
In the pixel layer of the nearly second electrode.The luminescent layer for the display panel that this programme embodiment provides has laminated construction, in the following,
In the present embodiment attached drawing, red pixel is represented with R, G represents green pixel, and B represents blue pixel, aobvious in application scheme
Show that panel can have with lower structure:
Structure a:
Fig. 4 a are display panel film layer structure schematic diagram, and luminescent layer 22 is folded in first electrode 21 and second electrode 23,
The luminescent layer 22 includes the first pixel layer 221 close to first electrode 21, close to the second pixel layer 222 of second electrode 23,
Conductive filter layer 21a is provided in first electrode 21.
Wherein, the second pixel layer 222 in luminescent layer 22 includes green pixel, and the first pixel layer 221 is composite pixel
Layer, including red pixel and blue pixel, connection is also folded between the first pixel layer 221 and the second pixel layer 222
Electrode 24 can be provided with conductive filter layer in the connection electrode 24, red pixel and blue pixel in the first pixel layer 221
It is staggered.In this configuration, each colored pixels can be adjusted in the physical location of corresponding film layer according to actual production demand
It is whole, the quantity of different colours pixel can it is identical can not also be identical, the position of different film layer pixels, which can correspond, also may be used
To be staggered.
Structure b:
As shown in Figure 4 b, luminescent layer 22 is folded in first electrode 21 and second electrode 23, which includes leaning on
First pixel layer 221 of nearly first electrode 21, close to the second pixel layer 222 of second electrode 23, is set in first electrode 21
There is conductive filter layer 21a.
Wherein, second pixel layer 222 can have composite construction in luminescent layer 22, be specifically as follows green pixel and red
The composite construction of pixel, the first pixel layer 221 include blue pixel.In addition, red pixel and blue pixel in Fig. 4 b
Position can be interchanged.Connection electrode 24 is also folded between the first pixel layer 221 and the second pixel layer 222, the connection electrode
Conductive filter layer can be provided in 24.
For the structure of the luminescent layer 22 shown in Fig. 4 a and Fig. 4 b, display panel can be based on any of the above-described kind of luminescent layer 22
Structure realize polychrome picture show.The conductive filter layer set in above-mentioned connection electrode 24 do not show that in figure, the conduction
The blue light transmitance of filter layer is more than yellow light transmitance, and based on the light-filtering characteristic, which can further be filtered through
The yellow light of connection electrode 24 ensures that the ratio of blue light and yellow light is more close to color tune in the light being emitted via connection electrode 24
The harmony of sum, balance show the tone of picture, improve the problem of picture jaundice is shown under low-power consumption.
Similar with above-mentioned luminous layer structure, the embodiment of the present application also provides another luminous layer structure, in the display panel
In structure, the luminescent layer includes three pixel layers;Wherein, green pixel is positioned close to the pixel layer of the second electrode
In, alternatively, green pixel is arranged in the pixel layer among laminated construction.
The display panel structure can be folded with luminescent layer 22 in first electrode 21 and second electrode 23 as shown in Figure 5 a,
The luminescent layer 22 includes the first pixel layer 221 close to first electrode 21, close to the third pixel layer 223 of second electrode 23,
The second pixel layer 222 is also folded between the first pixel layer 221 and third pixel layer 223, is also divided between different pixels layer
It is not provided with the first connection electrode 241, the second connection electrode 242, conductive filter layer 21a is provided in first electrode 21.
In luminescent layer 22, green pixel is positioned close in the third pixel layer 223 of second electrode, red pixel and blue pixel difference
It is arranged in the second pixel layer 222 and the first pixel layer 221, specifically can blue pixel and red be adjusted according to actual production demand
The position of color pixel, i.e. blue pixel can be located at the second pixel layer 222, and red pixel can be located at the first pixel layer 221.
The first connection electrode 241 and the second connection electrode 242 are also folded between different pixels layer respectively, in the two connection electrodes
In, conductive filter layer is provided at least one connection electrode, the light penetration of the conduction filter layer blue light is more than yellow light
Light penetration, based on this characteristic, which can filter the yellow light sent out in third pixel layer 223.It is more excellent
, conductive filter layer can be both provided in the first connection electrode 241 and the second connection electrode 242, by third pixel layer 223
In the light that sends out filter a yellow light by the conductive filter layer in the second connection electrode 242, using the first connection electrode 241
In conductive filter layer filter second of yellow light, by filtering twice, the yellow light that third pixel layer 223 is sent out can be effectively reduced
Brightness so as to balance the light tone of the outgoing of luminescent layer 22, alleviates display panel and shows partially yellow situation at low voltage.
Above-mentioned display panel can also be folded with luminescent layer 22 in first electrode 21 and second electrode 23 as shown in Figure 5 b,
The luminescent layer 22 includes the first pixel layer 221 close to first electrode 21, close to the third pixel layer 223 of second electrode 23,
The second pixel layer 222 is also folded between the first pixel layer 221 and third pixel layer 223, is also divided between different pixels layer
It is not provided with the first connection electrode 241, the second connection electrode 242, conductive filter layer 21a is provided in first electrode 21.It is green
Color pixel is arranged in the second pixel layer 222 among laminated construction, and red pixel and blue pixel are located at first respectively
In pixel layer 221 and third pixel layer 223, according to actual production demand, the position of blue pixel and red pixel can be interchanged.
Under this configuration, conductive filter layer can be provided in the first connection electrode 241, by the light sent out in the second pixel layer 222
By filter layer filtering conductive in the first connection electrode 241, yellow light light intensity can be reduced, is emitted beam so as to reduce luminescent layer 22
Yellow light brightness, balance display panel integrally show tone, under low-power consumption alleviate show picture jaundice the phenomenon that.
In addition to this, for the luminescent layer with composite pixel layer shown in above-mentioned Fig. 4 a and Fig. 4 b, with Fig. 5 a and Fig. 5 b
The three layers of monochromatic pixel layer stacked structure shown are compared, thinner, integrated level higher.Meanwhile with good polychrome picture
Display function.Based on the light-filtering characteristic of the conductive filter layer in display panel, the blue light of transmission can be made more than yellow light, above-mentioned knot
Structure can alleviate the situation that picture turns to be yellow under low-power consumption, and balance shows tone, ensures preferably color display effect.
Based on above-mentioned display panel structure, the surface far from the luminescent layer is provided with instead in the second electrode
Photosphere;Wherein, it is provided with conductive filter layer in the second electrode.As shown in fig. 6, following 22 light emission direction of luminescent layer is as schemed
Shown, first electrode 21 is anode, and second electrode 23 is cathode, is described in detail.In the display panel, cathode 23 is separate
Reflective layer 25 is provided on the surface of luminescent layer 22, conductive filter layer 23a is provided in second electrode 23.
In display panel practical work process, direction shines luminescent layer 22 around, shines to 21 direction of anode same
When, it also shines to 23 direction of cathode, for luminescent layer 22 shown in figure, the light sent out to 23 direction of cathode is often by substrate
It is absorbed etc. lighttight film layer.Reflective layer 25 in this programme positioned at a surface of the cathode 23 far from the luminescent layer 22 can be anti-
The light that luminescent layer 22 is sent out to cathode 23 is penetrated, enhances the light intensity via anode 21 to a certain extent, is improved under low-power consumption
Display panel Integral luminous brightness.Moreover, the light that reflective layer 25 reflects can reduce yellow light light by conductive filter layer 23a filterings
By force, luminescent layer 22 passes through jointly to the light of the conductive filter layer 23a filterings of the process of light and the reflection of reflective layer 25 that anode 21 is sent out
By the conductive filter layer 21a in anode 21, based on the light-filtering characteristic of conductive filter layer 21a, the blue light of transmission is made to be more than yellow light, from
And the brightness of yellow light in emergent ray is reduced under low-power consumption, balance display panel integrally shows tone, so as to alleviate display picture
The phenomenon that face body turns to be yellow.
Based on the structure of above-mentioned display panel, the electrode where being directed to conductive filter layer specifically may have following two
Structure:
Electrode structure a:
The electrode for being provided with the conductive filter layer is at least three layer stacked structures, and the conduction filter layer is folded in arbitrarily
Between adjacent film layers.The film layer can be the preferable conductive material of translucency, be specifically as follows indium tin oxide (ITO).Fig. 7 a
One of film layer structure schematic diagram of electrode 71 where conductive filter layer 71a, the electrode 71 where the conduction filter layer 71a have
There are three layer stacked structures, which can be cathode or anode or connection electrode.Under this configuration, due to leading
Electrofiltration photosphere 71a is conductive material, the resistance that the electrode 71 can be reduced among electrode 71 is folded in, so as to improve to a certain extent
The polar plate voltage of electrode corresponding to light emission direction improves luminous efficiency, and improves screen body overall brightness.Similar, it is provided with
The electrode of the conduction filter layer can also have multi-layer laminate structure, and multiple conductive filter layers can be provided in the electrode,
Multiple conduction optical filtering layer laminates are arranged in the electrode, to repeatedly being filtered by the light of the electrode.Such as in electrode
In be provided with two layers of conductive filter layer, then the electrode has the electrode structure of " three plus two ", when light passes through the electrode, first passes through
It crosses first conductive filter layer once to be filtered, then carrying out second using second conductive filter layer filters.For
This electrode structure has been filtered twice by the emergent light of the electrode, further reduces yellow light brightness, balances emergent ray color
It adjusts, optimizes display effect.
Electrode structure b:
The electrode for being provided with the conductive filter layer is two layer stacked structures, and the conduction filter layer is arranged on appointing for film layer
One surface.The film layer can be the preferable conductive material of translucency, be specifically as follows indium tin oxide (ITO).Fig. 7 b are conduction
The two of the film layer structure schematic diagram of electrode where filter layer, the electrode 71 where the conduction filter layer 71a have overlapping configuration,
Electrode 71 overlapping settings of the conduction filter layer 71a where with the conductive filter layer 71a.The electrode 71 can be cathode or
Anode or connection electrode.Under this configuration, the light penetration of the conduction filter layer blue light is more than the light of yellow light
Transmitance, based on this characteristic, which can be filtered through the yellow light of the electrode, to reduce display picture yellow light
Brightness, balance display panel integrally show tone, so as to alleviate the phenomenon that display picture screen body turns to be yellow.Due to conductive filter layer
71a is conductive material, can improve screen body overall brightness to a certain extent.In addition, in terms of production technology, structure b only needs
Two layers of film layer structure is set, and production procedure is simpler, saves production cost.It should be noted that for Fig. 7 a and Fig. 7 b, only
The film layer structure of electrode where showing conductive filter layer, the thickness relationship between specific electrode and conductive filter layer can basis
Actual production demand is adjusted.
Embodiment three
Based on above-described embodiment, the embodiment of the present application also provides a kind of display device, including any one in above-described embodiment
Kind display panel.The display device can be mobile phone, tablet computer, television set, display, laptop, Digital Frame, lead
Navigate any products or component with display function such as instrument, intelligent wearable device.For the other essential of the display device
Component part be it will be apparent to an ordinarily skilled person in the art that having, this will not be repeated here, also should not be used as to this
The limitation of application.
It these are only embodiments herein, be not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All any modifications made within spirit herein and principle, equivalent replacement,
Improve etc., it should be included within the scope of claims hereof.
Claims (11)
1. a kind of display panel including first electrode, second electrode and is folded in the first electrode and the second electrode
Between luminescent layer, which is characterized in that
Conductive filter layer is provided in the first electrode of the luminescent layer light-emitting surface side, wherein, the conduction filter layer
Blue light transmitance be more than yellow light transmitance.
2. display panel as described in claim 1, which is characterized in that the luminescent layer is including at least the folded of two pixel layers
Layer structure.
3. display panel as claimed in claim 2, which is characterized in that further include the adjacent pixel layer for being arranged on the luminescent layer
Between connection electrode, wherein, conductive filter layer is provided in the connection electrode.
4. display panel as claimed in claim 2 or claim 3, which is characterized in that the luminescent layer includes two pixel layers, wherein,
Green pixel is positioned close in the pixel layer of the second electrode.
5. display panel as claimed in claim 2 or claim 3, which is characterized in that the luminescent layer includes three pixel layers;Wherein,
Green pixel is positioned close in the pixel layer of the second electrode, alternatively, green pixel is arranged among laminated construction
Pixel layer in.
6. display panel as described in claim 1, which is characterized in that far from the luminescent layer in the second electrode
One surface is provided with reflective layer;Wherein, it is provided with conductive filter layer in the second electrode.
7. such as claim 1-6 any one of them display panels, which is characterized in that be provided with the electrode of the conductive filter layer
It is at least three layer stacked structures, the conduction filter layer is folded between arbitrary neighborhood film layer.
8. such as claim 1-6 any one of them display panels, which is characterized in that be provided with the electrode of the conductive filter layer
For two layer stacked structures, the conduction filter layer is arranged on any surface of film layer.
9. display panel as described in claim 1, which is characterized in that the material of the conduction filter layer is organic matter or metal
Or metal oxide.
10. display panel as claimed in claim 9, which is characterized in that the conduction filter layer is metal oxide, described to lead
The thickness range of electrofiltration photosphere is 2 microns -5 microns.
11. a kind of display device, which is characterized in that including the display panel as described in claim 1-10 any one.
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CN110265456A (en) * | 2019-06-27 | 2019-09-20 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
WO2020082488A1 (en) * | 2018-10-23 | 2020-04-30 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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