CN107564944A - Organic electroluminescence display panel and display device - Google Patents
Organic electroluminescence display panel and display device Download PDFInfo
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- CN107564944A CN107564944A CN201710759322.8A CN201710759322A CN107564944A CN 107564944 A CN107564944 A CN 107564944A CN 201710759322 A CN201710759322 A CN 201710759322A CN 107564944 A CN107564944 A CN 107564944A
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Abstract
The present invention relates to display technology field, more particularly to a kind of organic electroluminescence display panel and display device.Organic electroluminescence display panel includes：Substrate；First electrode；Organic layer, organic layer include the first luminescent layer and the second luminescent layer, and both are mutually overlapping in a direction perpendicular to a substrate, and the light that the first luminescent layer and the second luminescent layer are sent is mixed into white light；Deviate from the second electrode of substrate side positioned at organic layer；3rd electrode, the 3rd electrode is between the first luminescent layer and the second luminescent layer；Organic electroluminescence display panel includes the first sub-pixel, the second sub-pixel and the 3rd sub-pixel being arranged in array, on the light direction of organic electroluminescence display panel, corresponding first colour filter of first sub-pixel, corresponding second colour filter of second sub-pixel, and the projection of the light-emitting zone of projection the 3rd sub-pixel of covering of the 3rd electrode in a direction perpendicular to a substrate.The program can reduce the colour cast of organic electroluminescence display panel.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of organic electroluminescence display panel and display device.
Background technology
As the continuous upgrading of Display Technique, the application of organic electroluminescence display panel are more and more extensive.Design organic light emission
During the structure of display panel, in order to realize full-color display, more commonly used at present has following two modes：
The first, sets the illuminating part that can send different colours.For example, organic electroluminescence display panel can include red
Illuminating part, green emitting portion and blue-light-emitting portion, three are arranged side by side, and three sends feux rouges, green glow and blue light respectively, finally
Full-color display can be realized.
Second, white luminous portion is set, and optical filter is arranged on the light direction in white luminous portion, these optical filterings
Piece can allow the color of the light passed through different, and then realize full-color display.
However, using during first way, it is necessary to using multiple mask plates make organic electroluminescence display panel, using second
During kind of mode, the quantity of the required mask plate used has been reduced, but white luminous portion is monolithic construction, its microcavity compared with
It is long, cause the colour cast of organic electroluminescence display panel larger, be unfavorable for realizing that the wide viewing angle of organic electroluminescence display panel is shown.
The content of the invention
The invention provides a kind of organic electroluminescence display panel and display device, to reduce making organic electroluminescence display panel
Mask plate quantity, while reduce the colour cast of organic electroluminescence display panel.
The first aspect of the present invention provides a kind of organic electroluminescence display panel, and it includes：
Substrate,
First electrode on the substrate；
Deviate from the organic layer of the substrate side positioned at the first electrode, the organic layer includes the first luminescent layer and the
Two luminescent layers, first luminescent layer mutually overlaps with second luminescent layer on the direction of the substrate, and institute
State the light that the first luminescent layer and second luminescent layer are sent and be mixed into white light；
Deviate from the second electrode of the substrate side positioned at the organic layer；
3rd electrode, the 3rd electrode is between first luminescent layer and second luminescent layer；
The organic electroluminescence display panel includes the first sub-pixel, the second sub-pixel and the 3rd sub- picture being arranged in array
Element, on the light direction of the organic electroluminescence display panel, corresponding first colour filter of first sub-pixel, second son
Corresponding second colour filter of pixel, and the 3rd electrode is in projection covering the 3rd son on the direction of the substrate
The projection of the light-emitting zone of pixel.
Alternatively, first luminescent layer includes at least two luminescent materials, and each luminescent material sends the face of light
Color is different, and each luminescent material send light color it is different from the color that second luminescent layer sends light.
Alternatively, first luminescent layer includes red illuminating material and green luminescent material.
Alternatively, first luminescent layer includes the first sub- luminescent layer and the second sub- luminescent layer, the first sub- luminescent layer
It is stacked with the described second sub- luminescent layer on the direction of the substrate.
Alternatively, the described first sub- luminescent layer and the second sub- luminescent layer fit.
Alternatively, second luminescent layer is located at the side that first luminescent layer deviates from the substrate.
Alternatively, the described first sub- luminescent layer is red light luminescent layer, and the second sub- luminescent layer is green light emitting layer, described
Second luminescent layer is blue light-emitting；
First colour filter is red color filter, and second colour filter is green color filter.
Alternatively, the current potential that the first electrode and the 3rd electrode are received is equal.
Alternatively,
The thickness of first luminescent layer is 5~80nm, and/or
The thickness of second luminescent layer is 5~60nm, and/or
The thickness of the second electrode is 5~40nm, and/or
The thickness of 3rd electrode is 50~200nm,
Wherein, the direction where the thickness is perpendicular to the direction of the substrate.
Alternatively, the 3rd electrode is total reflection layer, and the 3rd electrode includes the first ITO layer, silver layer and the 2nd ITO
Layer, three are stacked on the direction of the substrate.
The second aspect of the present invention provides a kind of display device, and it includes the organic light emitting display described in any of the above-described
Panel.
Technical scheme provided by the invention can reach following beneficial effect：
In organic electroluminescence display panel provided by the invention, the first luminescent layer and the layering of the second luminescent layer are set, and both
The light sent is mixed into white light, and the 3rd electrode is between the first luminescent layer and the second luminescent layer, and the 3rd electrode is hanging down
Directly in the light-emitting zone that the 3rd sub-pixel is covered on the direction of substrate, the first colour filter is set corresponding to the first sub-pixel, it is corresponding
Corresponding second colour filter of second sub-pixel., can be with by the filtration of the first colour filter and the second colour filter after being arranged such
The first color and the second color are sent, and the light-emitting zone of the 3rd sub-pixel then sends the 3rd color so that the organic light emission shows
Show that panel realizes full-color display.Because the first luminescent layer in the organic electroluminescence display panel and the second luminescent layer are stacked,
The quantity of the mask plate of required use has been reduced when therefore making organic electroluminescence display panel；Meanwhile the 3rd electrode can be only
Erect and put, also can individually adjusts the chamber length of the microcavity of the 3rd sub-pixel, due to the wavelength of color corresponding to the 3rd sub-pixel
From the first sub-pixel and the second sub-pixel corresponding to color wavelength it is different, therefore by the individually adjustment of the chamber of the 3rd sub-pixel length,
It can cause the chamber of the microcavity of the 3rd sub-pixel is grown to be in be more beneficial for luminous scope, and then prevent organic electroluminescence display panel
There is colour cast problem.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Invention.
Brief description of the drawings
Fig. 1 is the structural representation of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 2 is the partial sectional view of organic electroluminescence display panel shown in Fig. 1；
Fig. 3 is the partial sectional view of organic electroluminescence display panel shown in Fig. 1 in another embodiment；
Fig. 4 is the partial sectional view of organic electroluminescence display panel shown in Fig. 1 in another embodiment；
Fig. 5 is the partial sectional view of organic electroluminescence display panel shown in Fig. 1 in another embodiment.
100- organic electroluminescence display panels；
110- substrates；
120- first electrodes；
The luminescent layers of 130- first；
The first sub- luminescent layers of 131-；
The second sub- luminescent layers of 132-；
The luminescent layers of 140- second；
150- second electrodes；
The electrodes of 160- the 3rd；
The ITO layers of 161- first；
162- silver layers；
The ITO layers of 163- second；
The colour filters of 170- first；
The colour filters of 180- second；
The common layers of 191- first；
The common layers of 192- second；
The common layers of 193- the 3rd；
194- encapsulated layers；
195- extra plays.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with accompanying drawing and implementation
The present invention will be further described for example.However, example embodiment can be implemented in a variety of forms, and it is not understood as limited to
Embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more comprehensively and completely, and by example embodiment party
The design of formula is comprehensively communicated to those skilled in the art.Identical reference represents same or similar knot in figure
Structure, thus repetition thereof will be omitted.It is described in the present invention expression position and direction word, be using accompanying drawing as
The explanation that example is carried out, but can also make a change as needed, make change and be all contained in the scope of the present invention.The present invention
Accompanying drawing be only used for illustrate relative position relation, the thickness at some positions employs the plotting mode lavished praise on oneself in order to understand, attached
Thickness in figure does not represent the proportionate relationship of actual thickness.
It should be noted that detail is elaborated in the following description in order to fully understand the present invention.But this hair
Bright to be different from other manner described here with a variety of and be implemented, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public embodiment.Specification is subsequently retouched
State to implement the better embodiment of the present invention, so described is for the purpose of illustrating the rule of the present invention, and is not used to
Limit the scope of the present invention.Protection scope of the present invention is worked as to be defined depending on appended claims institute defender.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.Wherein, in accompanying drawing
The thickness and shape of each part do not reflect the actual proportions of display device, and purpose is schematically illustrate present invention.Need
Bright, in the case where not conflicting, the feature in embodiment and embodiment in the present invention can be mutually combined.
The embodiment of the present invention provides a kind of organic electroluminescence display panel, and as depicted in figs. 1 and 2, Fig. 1 is the embodiment of the present invention
The structural representation of the organic electroluminescence display panel of offer, Fig. 2 are the partial sectional view of organic electroluminescence display panel shown in Fig. 1,
The organic electroluminescence display panel 100 includes：
Substrate 110,
First electrode 120 on substrate 110；
Deviate from the organic layer of the side of substrate 110 positioned at first electrode 120, the organic layer includes the first luminescent layer 130 and the
Two luminescent layers 140, the first luminescent layer 130 and the second luminescent layer 140 mutually overlap on the direction of substrate 110, and the
The light that one luminescent layer 130 and the second luminescent layer 140 are sent is mixed into white light；
Deviate from the second electrode 150 of the side of substrate 110 positioned at organic layer；
3rd electrode 160, the 3rd electrode 160 is between the first luminescent layer 130 and the second luminescent layer 140；
Organic electroluminescence display panel 100 includes the first sub-pixel P1, the second sub-pixel P2 being arranged in array and the 3rd son
Pixel P3, on the light direction of organic electroluminescence display panel 100, corresponding first colour filters 170 of the first sub-pixel P1, the second son
Corresponding second colour filters 180 of pixel P2, and the 3rd electrode 160 is in of projection covering the 3rd on the direction of substrate 110
The projection of pixel P3 light-emitting zone.
During using above-mentioned organic electroluminescence display panel, the first luminescent layer 130 and the second luminescent layer 140 can mix send it is white
Light, by the filtration of the first colour filter 170 and the second colour filter 180, it can be sent in the light emission side of the first colour filter 170
First color, the second color is sent in the light emission side of the second colour filter 180, and the 3rd sub-pixel P3 light-emitting zone then sends
Three colors so that the organic electroluminescence display panel can carry out full-color display.Due to first in the organic electroluminescence display panel
The luminescent layer 140 of luminescent layer 130 and second is stacked, therefore the mask plate of required use during making organic electroluminescence display panel
Quantity has been reduced, and even only needs a mask plate；Meanwhile the 3rd electrode 160 can be independently arranged, also can is independent
The chamber length of the microcavity corresponding to the 3rd electrode 160 is adjusted, due to the wavelength of color corresponding to the 3rd sub-pixel P3 and the first sub- picture
The wavelength of color corresponding to plain P1 and the second sub-pixel P2 is different, therefore by the 3rd sub-pixel P3 chamber length individually adjustment, can be with
So that the chamber length of the 3rd sub-pixel P3 microcavity is in and is more beneficial for luminous scope, and then prevent organic electroluminescence display panel from going out
Existing colour cast problem.
Above-mentioned first sub-pixel P1, the second sub-pixel P2 and the 3rd sub-pixel P3 can form a pixel cell, and this
One sub-pixel P1, the second sub-pixel P2 and the 3rd sub-pixel P3 can be used for sending feux rouges, green glow and blue light respectively.Certainly, also
More sub-pixels can be increased so that each sub-pixel can be lighted by more than three kinds blend of colors.
Aforesaid substrate 110 can be as the setting basis of the parts of other in organic electroluminescence display panel, the substrate 110
It can be array base palte, the thin film transistor (TFT) of multiple array arrangements is set in this array base palte.
First electrode 120 can be used as anode, and it can be electrically connected with the thin film transistor (TFT) in substrate 110, and then
The state of first electrode 120 is controlled by thin film transistor (TFT)；It is to be appreciated that foregoing first sub-pixel P1 can correspond to one
One electrode 120, the second sub-pixel P2 can correspond to another first electrode 120, and then realize the only of different first electrodes 120
Vertical control.
Specifically, the first luminescent layer 130 can send at least two light, and the second luminescent layer 140 can send at least one
Light, it is white light that both, which mix the light sent,.The first luminescent layer 130 herein can deviate from substrate 110 positioned at the second luminescent layer 140
Side or the second luminescent layer 140 be located at the first luminescent layer 130 deviate from substrate 110 side.
Second electrode 150 can be as the negative electrode of organic electroluminescence display panel, and it can be set with whole face, that is to say, that the
Two electrodes 150 can be the structure of integral type, and it can cover substrate 110 substantially on the direction of substrate 110.This
Two electrodes 150 can form electric field with first electrode 120, positioned at the first luminescent layer 130 and the second luminescent layer 140 between the two
It can be lighted in the presence of electric field.
3rd electrode 160 can be used as anode, and it can form electric field between second electrode 150, positioned between the two
The first luminescent layer 130 or the second luminescent layer 140 can be lighted in the presence of electric field.
First colour filter 170 can be corresponding with the first sub-pixel P1, and the second colour filter 180 is corresponding with the second sub-pixel P2.
Specifically, on the direction of substrate 110, the first colour filter 170 can be with a face of first electrode 120, the second filter
Color device 180 can be with another face of first electrode 120.Also, the 3rd electrode 160 is in the throwing on the direction of substrate 110
Shadow covers the projection of the 3rd sub-pixel P3 light-emitting zone.
For the ease of description, the first luminescent layer 130 is hereafter arranged at away from the side of substrate 110 with the second luminescent layer 140
Exemplified by be described, it is necessary to illustrate, this technical scheme that can't be included to the present invention produces restriction effect.
It is provided in an embodiment of the present invention in order to realize the luminous of necessary insulation between above-mentioned each film layer and each luminescent layer
Organic electroluminescence display panel can also include：
The first common layer 191 being arranged in first electrode 120, first common layer 191 can cover two first electricity
Pole 120, first electrode 120 and the first luminescent layer 130 are separated with this；First common layer 191 can be hole transmission layer, and it can
With using hole mobile material, by the hole transport in first electrode 120 to the first luminescent layer 130；
The second common layer 192 being arranged on the 3rd electrode 160, second common layer 192 can cover the 3rd electrode
160, the 3rd electrode 160 and the second luminescent layer 140 are separated with this, second common layer 192, which can adopt, to be made from an insulative material；
Second common layer 192 can be charge generation layer, and the charge generation layer is divided into P-type layer and N-type layer, both produce respectively electronics and
Hole, caused electric transmission to the first luminescent layer 130, caused hole transport to the second luminescent layer 140；
The 3rd common layer 193 being arranged between the second luminescent layer 140 and second electrode 150, the 3rd common layer 193 can
To be electron transfer layer, it can use electron transport material, by the electric transmission in second electrode 150 to the second luminescent layer
140。
In addition, in order to aid in strengthening transmitance, encapsulation can also be set away from the side of substrate 110 in second electrode 150
Layer 194.First colour filter 170 and the second colour filter 180 are that may be disposed at the side that encapsulated layer 194 deviates from substrate 110.
Above-mentioned first common layer 191, the second common layer 192, the 3rd common layer 193 and encapsulated layer 194 can be by organic materials
Material is made, and can also be made up of inorganic material or organic material and inorganic material are mixed.
In addition, after using above-mentioned organic electroluminescence display panel, it is only necessary to which corresponding two kinds of colors set colour filter, for the 3rd
Kind color need not then set colour filter, therefore influence of the colour filter for amount of light will have been alleviated, that is to say, that Ci Zhongyou
The amount of light of machine light emitting display panel is higher.
In a kind of optional embodiment, the first luminescent layer 130 can include at least two luminescent materials, each luminescent material institute
Send that the color of light is different, and each luminescent material send light color sent from the second luminescent layer light color it is different.
That is the first luminescent layer 130, which can be different luminescent material, adulterates the structure to be formed, what these luminescent materials were each sent
The light that light can be sent with the second luminescent layer 140 mixes, and ultimately forms white light.The structure mutually adulterated using this different materials,
The film layer quantity of whole organic electroluminescence display panel can be reduced, and then is advantageously implemented the slim of organic electroluminescence display panel
Change.
Alternatively, the first luminescent layer 130 can specifically include red illuminating material and green luminescent material.Accordingly,
Two luminescent layers 140 can be blue light-emitting layer.Certainly, the first luminescent layer 130 is except including foregoing red illuminating material and green
Beyond luminescent material, other luminescent materials can also be included, and the second luminescent layer 140 can also can send difference including a variety of
Light material, as long as the first luminescent layer 130 and the second luminescent layer 140 can mix and send white light.In addition, referred to herein as
Various luminescent materials can be fluorescence luminescent material or phosphorescent light-emitting materials.Further, red illuminating material and
Green luminescent material can select phosphorescent light-emitting materials, and blue light-emitting layer can select fluorescence luminescent material.
In above-described embodiment, the second luminescent layer 140 is blue light-emitting layer, and on the direction of substrate 110, first is electric
The distance between pole 120 and second electrode 150 are more than the distance between the 3rd electrode 160 and second electrode 150, blue light it is micro-
Chamber chamber length is than red light and the microcavity chamber length of green light, and the wavelength of the wavelength ratio red light of blue light and green light is shorter,
Therefore shorten the microcavity chamber length of blue light-emitting layer, blue light can be caused to be in more preferable luminance (such as brightness is higher),
In the case of big visual angle, also it is less likely to occur colour cast problem.
In another embodiment, the embodiment to be formed is adulterated by several luminescent substances different from the first luminescent layer 130, the
One luminescent layer 130 can also include multiple sublayers.Specifically, it is organic shown in Fig. 1 as shown in figure 3, Fig. 3 is in another embodiment
The partial sectional view of light emitting display panel, the first luminescent layer 130 can include the first sub- 131 and second sub- luminescent layer of luminescent layer
132, the first sub- 131 and second sub- luminescent layer 132 of luminescent layer is stacked on the direction of substrate 110.Now first
Sub- luminescent layer 131 can be made up of a kind of luminescent material, and the second sub- luminescent layer 132 can also be made up of a kind of material, both layers
The light that the folded light that when setting, both send can be sent with the second luminescent layer 140 mixes.In such a first luminescent layer 130, first
The light that sub- 131 and second sub- luminescent layer 132 of luminescent layer is sent is more uniform, therefore both light and the second luminescent layer 140 for sending
The light finally sent after the light mixing sent is also more uniform so that the brightness of organic electroluminescence display panel is more uniform.
In a kind of embodiment, the first sub- 131 and second sub- luminescent layer 132 of luminescent layer can fit, i.e. tied shown in Fig. 3
Structure.In another embodiment, as shown in figure 4, can also be set between the first sub- 131 and second sub- luminescent layer 132 of luminescent layer attached
Add layer 195, the extra play 195 can be charge generating layer, and the charge generation layer can be divided into P-type layer and N-type layer, and both distinguish
Electronics and hole, caused electric transmission to the first sub- luminescent layer 131 are produced, caused hole transport to the second son lights
Layer 132.
The second foregoing luminescent layer 140 can only send a kind of luminescent layer of color, and second luminescent layer 140 can be set
It is placed between the first luminescent layer 130 and substrate 110 or the second luminescent layer 140 is located at the first luminescent layer 130 and deviates from substrate
110 side.When the second luminescent layer 140, which is located at the first luminescent layer 130, deviates from the side of substrate 110, even if the second luminescent layer
140 whole first luminescent layers 130 of covering, due to the effect of blocking of the 3rd electrode 160 so that with the 3rd in the second luminescent layer 140
160 equitant part of electrode does not carry out lighting with the second luminescent layer 140 and mixed, therefore the second luminescent layer 140 and the 3rd electrode
160 overlapping parts can directly send required monochromatic light, without setting colour filter.It can be seen that the embodiment can permit
Perhaps the first luminescent layer 130 is configured with simpler shape, it is not required that is existed according to the luminous demand of the second luminescent layer 140
Corresponding pattern is set on the first luminescent layer 130, therefore the embodiment can simplify the processing work of organic electroluminescence display panel
Skill.
In a kind of specific embodiment, above-mentioned first sub- luminescent layer 131 can be red light luminescent layer, the second sub- luminescent layer 132
For green light emitting layer, the second luminescent layer 140 is blue light-emitting.Corresponding, the first colour filter 170 can be red color filter,
The red filter only allows red light by and then obtaining feux rouges；Second colour filter 180 can be green color filter, and this
Two colour filters only allow green glow to pass through and then proper green glow.
When the set location of the electrode 160 of first electrode 120 and the 3rd is as described in above-mentioned embodiment, in order to preferably drive
Organic layer is lighted, and can make it that the polarity for the electric signal that first electrode 120 received with the 3rd electrode 160 is identical.For example,
The voltage applied on the electrode 160 of first electrode 120 and the 3rd is positive voltage, or is negative voltage.Further, can be with
The current potential for being received the electrode 160 of first electrode 120 and the 3rd is equal.Now, the electrode 160 of first electrode 120 and the 3rd can be with
Same root power line is connected to, then simplifies the structure of organic electroluminescence display panel, simplifies its processing technology.
In a kind of optional embodiment, as shown in figure 5, Fig. 5 is in another embodiment, organic light emitting display face shown in Fig. 1
The partial sectional view of plate, above-mentioned 3rd electrode 160 can be total reflection layer, and it can specifically include the first ITO (Indium tin
Oxide, tin indium oxide) layer 161, the ITO layer 163 of silver layer 162 and second, three set being laminated on the direction of substrate 110
Put.Because tin indium oxide has preferable electric conductivity, and silver has preferable electric conductivity and reflecting rate, therefore both combine institute's shape
Into stepped construction, both with preferable electric conductivity, there is higher reflecting rate again, therefore organic electroluminescence display panel can be made
It is preferably luminous.
It is to be appreciated that the thickness of each film layer of organic electroluminescence display panel will directly affect the optical microcavity of each film layer
Chamber is grown,, can be to each film layer of organic electroluminescence display panel in order to obtain more satisfactory chamber length in a kind of alternative embodiment
Thickness is configured, certainly, following thickness to each film layer set can with individualism, can also any combination select, this
Text is not restricted to this.It should be noted that the direction where thickness herein is perpendicular to the direction of substrate 110.Specifically：
The thickness of first luminescent layer 130 is 5~80nm, and/or
The thickness of second luminescent layer 140 is 5~60nm, and/or
The thickness of second electrode 150 is 5~40nm, and/or
The thickness of 3rd electrode 160 is 50~200nm, and/or
The thickness of first common layer 191 is 60~240nm, and/or
The thickness of second common layer 192 is 0~120nm, and/or
The thickness of 3rd common layer 193 is 15~90nm, and/or
The thickness of encapsulated layer 194 is 20~180nm.
By the thickness for flexibly selecting above-mentioned each film layer, it is possible to adjust the chamber length of microcavity corresponding to each film layer.
Based on above-mentioned organic electroluminescence display panel, the embodiment of the present invention also provides a kind of display device, and it can include upper
State the organic electroluminescence display panel described by any embodiment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. organic electroluminescence display panel, it is characterised in that including：Substrate,First electrode on the substrate；Deviate from the organic layer of the substrate side positioned at the first electrode, the organic layer includes the first luminescent layer and the second hair Photosphere, first luminescent layer and second luminescent layer are mutually overlapping on the direction of the substrate, and described the The light that one luminescent layer and second luminescent layer are sent is mixed into white light；Deviate from the second electrode of the substrate side positioned at the organic layer；3rd electrode, the 3rd electrode is between first luminescent layer and second luminescent layer；The organic electroluminescence display panel includes the first sub-pixel, the second sub-pixel and the 3rd sub-pixel being arranged in array, On the light direction of the organic electroluminescence display panel, corresponding first colour filter of first sub-pixel, second sub-pixel Corresponding second colour filter, and the 3rd electrode covers the 3rd sub-pixel in the projection on the direction of the substrate Light-emitting zone projection.
- 2. organic electroluminescence display panel according to claim 1, it is characterised in that first luminescent layer includes at least two Kind of luminescent material, the color that each luminescent material sends light is different, and each luminescent material send light color and The color that second luminescent layer sends light is different.
- 3. organic electroluminescence display panel according to claim 2, it is characterised in that first luminescent layer includes red send out Luminescent material and green luminescent material.
- 4. organic electroluminescence display panel according to claim 1, it is characterised in that first luminescent layer includes the first son Luminescent layer and the second sub- luminescent layer, the first sub- luminescent layer and the second sub- luminescent layer are perpendicular to the direction of the substrate On be stacked.
- 5. organic electroluminescence display panel according to claim 4, it is characterised in that second luminescent layer is positioned at described the One luminescent layer deviates from the side of the substrate.
- 6. organic electroluminescence display panel according to claim 4, it is characterised in that the first sub- luminescent layer is sent out for feux rouges Photosphere, the second sub- luminescent layer are green light emitting layer, and second luminescent layer is blue light-emitting；First colour filter is red color filter, and second colour filter is green color filter.
- 7. organic electroluminescence display panel according to claim 1, it is characterised in that the first electrode and the 3rd electricity The current potential that pole is received is equal.
- 8. organic electroluminescence display panel according to claim 1, it is characterised in thatThe thickness of first luminescent layer is 5~80nm, and/orThe thickness of second luminescent layer is 5~60nm, and/orThe thickness of the second electrode is 5~40nm, and/orThe thickness of 3rd electrode is 50~200nm,Wherein, the direction where the thickness is perpendicular to the direction of the substrate.
- 9. organic electroluminescence display panel according to claim 1, it is characterised in that the 3rd electrode is total reflection layer, 3rd electrode includes the first ITO layer, silver layer and the second ITO layer, and three is set being laminated on the direction of the substrate Put.
- 10. a kind of display device, it is characterised in that including the organic electroluminescence display panel any one of claim 1-9.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242496A (en) * | 2020-10-20 | 2021-01-19 | 安徽熙泰智能科技有限公司 | Full-color silicon-based OLED display device and full-color silicon-based OLED display method |
| CN114967232A (en) * | 2022-05-18 | 2022-08-30 | Tcl华星光电技术有限公司 | Display panel and display device |
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