CN106098954A - A kind of organic electroluminescence device and preparation method thereof, display device - Google Patents
A kind of organic electroluminescence device and preparation method thereof, display device Download PDFInfo
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- CN106098954A CN106098954A CN201610509994.9A CN201610509994A CN106098954A CN 106098954 A CN106098954 A CN 106098954A CN 201610509994 A CN201610509994 A CN 201610509994A CN 106098954 A CN106098954 A CN 106098954A
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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]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting 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]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
- H10K50/157—Hole transporting layers between the light-emitting layer and the cathode
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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Abstract
The invention discloses a kind of organic electroluminescence device and preparation method thereof, display device, in order to promote the colour gamut using white light as the organic electroluminescence device of light source, and improve the problem that the aging rear color of organic electroluminescence device is partially yellow.Organic electroluminescence device includes underlay substrate, and white-light emitting layer, red sub-pixel filter layer, green sub-pixels filter layer and the blue subpixels filter layer being arranged on underlay substrate, wherein, also includes the first hole transmission layer and the second hole transmission layer；First hole transmission layer is arranged between the first anode corresponding to blue subpixels filter layer and white-light emitting layer, and covers the viewing area of underlay substrate；Second hole transmission layer is positioned at above the first anode, and covers the viewing area of underlay substrate；And the horizontal plane at one of at least corresponding from the green sub-pixels filter layer second plate of the horizontal plane at first anode place, third anode that red sub-pixel filter layer is corresponding place is positioned at different horizontal planes.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of organic electroluminescence device and preparation method thereof, display
Device.
Background technology
Organic electroluminescence device (Organic Light Emitting Device, OLED) is that a kind of novel photoelectric shows
Show and efficient illumination technology, due to its there is solid luminescent, visual angle width, low in energy consumption, fast response time, high-low temperature resistant etc. are a series of
Excellent specific property, especially suitable in world today's low-carbon environment-friendly, the requirement of green living, and be widely used to flat pannel display, consolidate
Daily production and the every field of life such as state illumination, Transparence Display, Flexible Displays and illumination.
Individually it is deposited with the OLED of mode compared to HONGGUANG, green glow and blue light, uses white light as the OLED device of light source
The evaporation flow process that part needs is few, is widely used in large scale OLED.As it is shown in figure 1, prior art uses white light conduct
The OLED of light source, including the red sub-pixel filter layer 11 being sequentially located on underlay substrate 10, green sub-pixels filter layer
12, blue subpixels filter layer 13, flatness layer 14, negative electrode 15, electron transfer layer 16, white-light emitting layer 17, hole transmission layer 18,
The first anode 110 of blue subpixels filter layer 11 correspondence, the second plate 111 of green sub-pixels filter layer 12 correspondence, redness
The third anode 112 of sub-pixel filter layer 13 correspondence, encapsulated layer 19.
Prior art use white light as the OLED of light source, use white light as light source, collocation chromatic filter layer
Through spectrum, by controlling the size of OLED electric current, reach the effect of colored display, from figure 1 it will be seen that red sub-picture
The emission spectrum of element, green sub-pixels and blue subpixels corresponding position is just the same, and colour gamut cannot get a promotion.
In sum, prior art uses white light relatively low as the colour gamut of the OLED of light source；Further, since OLED device
In part, the life time decay phenomenon of blue light is serious, and the envelope of the red sub-pixel of OLED, green sub-pixels and blue subpixels
Fill just the same, be easily caused OLED aging after the phenomenon that color is partially yellow occurs.
Summary of the invention
Embodiments provide a kind of organic electroluminescence device and preparation method thereof, display device, in order to promote
Employing white light is as the colour gamut of the organic electroluminescence device of light source, and it is the most yellow to improve the aging rear color of organic electroluminescence device
Problem.
A kind of organic electroluminescence device that the embodiment of the present invention provides, including underlay substrate, and is arranged on described lining
White-light emitting layer, red sub-pixel filter layer, green sub-pixels filter layer and blue subpixels filter layer on substrate；Described
Underlay substrate includes viewing area and perimeter leads district；Wherein, the first hole transmission layer and the second hole transmission layer are also included；
Described first hole transmission layer is arranged on the first anode corresponding to described blue subpixels filter layer and described white light
Between luminescent layer, and cover the viewing area of described underlay substrate；
Described second hole transmission layer is positioned at above the described first anode, and covers the viewing area of described underlay substrate；With
And
Second plate that the horizontal plane at described first anode place is at least corresponding with described green sub-pixels filter layer, described
The horizontal plane at one of the third anode that red sub-pixel filter layer is corresponding place is positioned at different horizontal planes.
The organic electroluminescence device provided by the embodiment of the present invention, owing to the second hole transmission layer is positioned on the first anode
Side, and cover the viewing area of underlay substrate, therefore the second hole transmission layer is also used as the encapsulated layer of blue subpixels so that
The water oxygen isolation effect of blue subpixels obtains bigger improvement, and therefore the embodiment of the present invention can improve organic electroluminescence
The problem that the aging rear color of part is partially yellow；It addition, compared with the organic electroluminescence device of prior art, in the embodiment of the present invention
The horizontal plane at one anode place at least horizontal plane from one of second plate, third anode place is positioned at different horizontal planes, i.e.
In the embodiment of the present invention, the first anode arrives to the distance between the distance between negative electrode, second plate to negative electrode and third anode
In distance between negative electrode, at least the value of two distances is unequal, therefore, and organic electroluminescence device in the embodiment of the present invention
Emission spectrum there are differences, the colour gamut of organic electroluminescence device gets a promotion.
It is preferred that also include the 3rd hole transmission layer, described 3rd hole transmission layer is arranged at described second plate and institute
State between third anode.
It is preferred that described 3rd hole transmission layer covers the viewing area of described underlay substrate.
It is preferred that also include yellow sub-pixel filter layer or white sub-pixels filter layer, and the 4th hole transmission layer；
Described 4th hole transmission layer is arranged at anode corresponding to described yellow sub-pixel filter layer and described third anode
Between；Or,
Described 4th hole transmission layer is arranged at anode corresponding to described white sub-pixels filter layer and described third anode
Between.
It is preferred that described 4th hole transmission layer covers the viewing area of described underlay substrate.
It is preferred that the material of described first hole transmission layer, the material of described second hole transmission layer, and the described 3rd
The material of hole transmission layer is the most identical.
It is preferred that the material of described first hole transmission layer, the material of described second hole transmission layer, and the described 3rd
The material of hole transmission layer is inorganic material.
The embodiment of the present invention additionally provides a kind of display device, and this display device includes above-mentioned organic electroluminescence
Part.
The embodiment of the present invention additionally provides the manufacture method of a kind of organic electroluminescence device, is included on underlay substrate system
Make white-light emitting layer, red sub-pixel filter layer, green sub-pixels filter layer, blue subpixels filter layer and described blueness
Second plate that the first anode that sub-pixel filter layer is corresponding, described green sub-pixels filter layer are corresponding and described red sub-pixel
The method of the third anode that filter layer is corresponding, wherein, the method also includes:
Underlay substrate makes the first hole transmission layer of the viewing area covering underlay substrate, described first hole transport
Layer is produced between the described first anode and described white-light emitting layer；
The second hole transmission layer in the viewing area of the described first anode described underlay substrate of covering fabricated above；Wherein:
The horizontal plane at described first anode place at least horizontal plane with one of described second plate, described third anode place is positioned at not
Same horizontal plane.
It is preferred that be additionally included on described underlay substrate the 3rd hole biography making the viewing area covering described underlay substrate
Defeated layer, described 3rd hole transmission layer is produced between described second plate and described third anode.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of organic electroluminescence device of prior art；
The knot of the organic electroluminescence device of a kind of bottom emitting type that Fig. 2 (a) and Fig. 2 (b) provides for the embodiment of the present invention
Structure schematic diagram；
The structural representation of the organic electroluminescence device of another bottom emitting type that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the organic electroluminescence device of the another bottom emitting type that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the organic electroluminescence device of a kind of top emission type that Fig. 5 provides for the embodiment of the present invention；
The manufacture method flow chart of a kind of organic electroluminescence device that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of organic electroluminescence device and preparation method thereof, display device, in order to promote
Employing white light is as the colour gamut of the organic electroluminescence device of light source, and it is the most yellow to improve the aging rear color of organic electroluminescence device
Problem.
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into
One step ground describes in detail, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
All other embodiments, broadly fall into the scope of protection of the invention.
Organic electroluminescence device that the specific embodiment of the invention provide is discussed in detail below in conjunction with the accompanying drawings.
In accompanying drawing, each thicknesses of layers and area size, shape do not react the actual proportions of each film layer, and purpose is simply illustrated
Bright present invention.
As shown in Fig. 2 (a) and Fig. 2 (b), the specific embodiment of the invention provides a kind of organic electroluminescence device, including
Underlay substrate 10, and be arranged on underlay substrate 10 white-light emitting layer 17, red sub-pixel filter layer 13, green sub-pixels
Filter layer 12 and blue subpixels filter layer 11；Underlay substrate 10 includes that viewing area and perimeter leads district, viewing area and periphery draw
The concrete division in line district is same as the prior art, repeats no more here；
The organic electroluminescence device that the specific embodiment of the invention provides also includes that the first hole transmission layer 31 and second is empty
Cave transmitting layer 32；
First hole transmission layer 31 is arranged on the first anode 110 and the white-light emitting layer of blue subpixels filter layer 11 correspondence
Between 17, and cover the viewing area of underlay substrate 10；Second hole transmission layer 32 is positioned at above the first anode 110, and covers lining
The viewing area of substrate 10；
Second plate 111 that the horizontal plane at the first anode 110 place is at least corresponding with green sub-pixels filter layer 12, red
The horizontal plane at one of the third anode 112 of sub-pixel filter layer 13 correspondence place is positioned at different horizontal planes, concrete such as Fig. 2 (a)
Shown in, the horizontal plane at the first anode 110 place is positioned at different horizontal planes, such as Fig. 2 from the horizontal plane at third anode 112 place
Shown in (b), the horizontal plane at the first anode 110 place and the horizontal plane at second plate 111 place and the water at third anode 112 place
Plane is respectively positioned on different horizontal planes.
Preferably, the material of the first hole transmission layer and the material phase of the second hole transmission layer in the specific embodiment of the invention
With, the material of the first hole transmission layer and the material of the second hole transmission layer are inorganic material, and when being embodied as, the present invention is concrete
The material of embodiment the first hole transmission layer and the material preferential oxidation Mo of the second hole transmission layer, certainly, raw in reality
During product, it is also possible to select other inorganic material, the specific embodiment of the invention not concrete to the first hole transmission layer
The concrete material of material and the second hole transmission layer limits.
Owing to blue light excites the energy height of needs, required voltage is high, is easily affected by water oxygen environment, by water oxygen environment
The aging rear color of organic electroluminescence device can be caused after impact the most yellow, aging with the organic electroluminescence device of prior art after
Color Huang partially is compared, and owing to the second hole transmission layer in the specific embodiment of the invention is positioned at above the first anode, and covers lining
The viewing area of substrate, therefore the second hole transmission layer is also used as the encapsulated layer of blue subpixels, and encapsulated layer is the most, water oxygen
It is the best to isolate, and therefore the specific embodiment of the invention can improve the problem that the aging rear color of organic electroluminescence device is partially yellow.
It addition, compared with the organic electroluminescence device of prior art, due to the first anode in the specific embodiment of the invention
The horizontal plane at place at least horizontal plane from one of second plate, third anode place is positioned at different horizontal planes, the i.e. present invention
In specific embodiment, the first anode is to the distance between negative electrode, at least and second plate is to the distance between negative electrode and third anode
The value of a distance in the distance between negative electrode is unequal, therefore, and organic electroluminescence in the specific embodiment of the invention
The emission spectrum of part there are differences, and the colour gamut of organic electroluminescence device gets a promotion.
Preferably, the organic electroluminescence device in the specific embodiment of the invention also includes the 3rd hole transmission layer, the 3rd
Hole transmission layer is arranged between second plate and third anode.
Further, in order to preferably blue subpixels be carried out water oxygen isolation, the 3rd in the specific embodiment of the invention
Hole transmission layer covers the viewing area of underlay substrate.
Specifically, as it is shown on figure 3, the organic electroluminescence device in the specific embodiment of the invention includes the first hole transport
Layer the 31, second hole transmission layer 32 and the 3rd hole transmission layer 33, the first hole transmission layer 31 is positioned at the first anode 110 and white light
Between luminescent layer 17, the second hole transmission layer 32 between second plate 111 and the first anode 110, the 3rd hole transmission layer
33 between third anode 112 and second plate 111.
As it is shown on figure 3, with in the distance between second plate 111 and negative electrode 15 and Fig. 1 between second plate and negative electrode
As a example by equal, the organic electroluminescence device in the specific embodiment of the invention is sent out with the organic electroluminescence in prior art Fig. 1
Optical device is compared, and in the specific embodiment of the invention, the distance between third anode 112 and negative electrode 15 is bigger, organic electroluminescence
The emission spectrum wavelength of part is bigger, and the display of organic electroluminescence device more biasing is red；First sun in the specific embodiment of the invention
Distance between pole 110 and negative electrode 15 is less, and the emission spectrum wavelength of organic electroluminescence device is less, organic electroluminescence
The display of part more biasing is blue.Therefore, the specific embodiment of the invention can be good at promoting the Organic Electricity using white light as light source
The colour gamut of electroluminescence device.
As it is shown on figure 3, the second hole transmission layer 32 and the 3rd hole transmission layer 33 in the specific embodiment of the invention also may be used
For use as the encapsulated layer of blue subpixels, encapsulated layer is the most, and the isolation of water oxygen is the best, and so, the encapsulation of blue subpixels is more than red
The encapsulation of sub-pixels and the encapsulation of green sub-pixels, can improve the aging rear face of organic electroluminescence device when life-time service
The problem that colour cast is yellow.
Further, since the first hole transmission layer, the second hole transmission layer and the 3rd hole in the specific embodiment of the invention
Transport layer is the design of flood, need not in process of production use extra mask plate, and production cost is relatively low.
Preferably, the material of the first hole transmission layer, the material of the second hole transmission layer in the specific embodiment of the invention, with
And the 3rd the material of hole transmission layer the most identical, so, convenient in the material selection in actual production process, and can
Save material purchase cost.
Specifically, the material of the first hole transmission layer, the material of the second hole transmission layer in the specific embodiment of the invention, with
And the 3rd the material of hole transmission layer be inorganic material, when being embodied as, the specific embodiment of the invention the first hole transmission layer
The material preferential oxidation Mo of material, the material of the second hole transmission layer and the 3rd hole transmission layer.Certainly, raw in reality
During product, it is also possible to select other inorganic material, it is also possible to by the material of the first hole transmission layer, the second hole transmission layer
Material and the material of the 3rd hole transmission layer all select different types of material.
When being embodied as, as shown in Figure 4, the organic electroluminescence device in the specific embodiment of the invention also includes yellow
Pixel filter layer or white sub-pixels filter layer, and the 4th hole transmission layer；Fig. 4 is only to include yellow sub-pixel filter layer 51
As a example by be introduced, the 4th hole transmission layer 52 is arranged at anode 53 and the third anode of yellow sub-pixel filter layer 51 correspondence
Between 112, it is preferable that the 4th hole transmission layer 52 in the specific embodiment of the invention covers the viewing area of underlay substrate 10.With
Reason, the design of white sub-pixels filter layer is similar with the design of yellow sub-pixel filter layer, repeats no more here.
Organic electroluminescence device in the specific embodiment of the invention can be for the bottom emitting type as shown in Fig. 2 (a) to Fig. 4
Structure, it is also possible to for top emission type structure as shown in Figure 5.Specifically, as it is shown in figure 5, having in the specific embodiment of the invention
Organic electroluminescence devices includes the first hole transmission layer the 31, second hole transmission layer 32 and the 3rd hole transmission layer 33, and covers
The protective layer 60 of lid red sub-pixel filter layer 13, green sub-pixels filter layer 12 and blue subpixels filter layer 11.
The specific embodiment of the invention additionally provides a kind of display device, and this display device includes that the specific embodiment of the invention carries
The above-mentioned organic electroluminescence device of confession, this display device can be Organic Light Emitting Diode (Organic Light
Emitting Diode, OLED) display device such as panel, OLED display, OLED TV.
As shown in Figure 6, the specific embodiment of the invention additionally provides the manufacture method of a kind of organic electroluminescence device, including
Underlay substrate makes white-light emitting layer, red sub-pixel filter layer, green sub-pixels filter layer, blue subpixels optical filtering
Layer and the first anode corresponding to described blue subpixels filter layer, the second plate that described green sub-pixels filter layer is corresponding
The method of the third anode corresponding with described red sub-pixel filter layer, wherein, the method also includes:
S601, making the first hole transmission layer of viewing area covering underlay substrate on underlay substrate, described first is empty
Cave transport layer is produced between the described first anode and described white-light emitting layer；
S602, the second hole transmission layer in the viewing area of the described first anode described underlay substrate of covering fabricated above；
Wherein: the horizontal plane at described first anode place at least with the horizontal plane at one of described second plate, described third anode place
It is positioned at different horizontal planes.
Preferably, the specific embodiment of the invention is additionally included on underlay substrate and makes the of the viewing area covering underlay substrate
Three hole transmission layers, the 3rd hole transmission layer is produced between second plate and third anode, the 3rd hole transmission layer concrete
Production location is referred to shown in Fig. 3.
Be discussed in detail separately below the specific embodiment of the invention make bottom emitting type structure organic electroluminescence device and
The method of the organic electroluminescence device of top emission type structure.
The organic electroluminescence device of specific embodiment of the invention making bottom emitting type structure combines Fig. 3 and is introduced, first
First, underlay substrate 10 makes red sub-pixel filter layer 13, green sub-pixels filter layer 12 and blue subpixels filter layer
11, the concrete manufacture method of red sub-pixel filter layer 13, green sub-pixels filter layer 12 and blue subpixels filter layer 11 with
Prior art is identical, repeats no more here.In actual production process, it is also possible to make yellow sub-pixel filter on underlay substrate 10
Photosphere, as shown in Figure 4, and can also make white sub-pixels filter layer etc..
Then, as it is shown on figure 3, filter at red sub-pixel filter layer 13, green sub-pixels filter layer 12 and blue subpixels
Making flatness layer 14 on photosphere 11, the concrete manufacture method of flatness layer is same as the prior art, repeats no more here.Then, exist
The methods such as sputtering are used to make negative electrode 15, material preferential oxidation indium stannum (ITO) material of negative electrode 15, the tool of negative electrode on flatness layer 14
Body manufacture method is same as the prior art, repeats no more here.
Then, as it is shown on figure 3, on negative electrode 15 make electron transfer layer 16, electron transfer layer can be single layer structure or
Multiple structure；Then, making white-light emitting layer 17 on electron transfer layer 16, white-light emitting layer can be single layer structure or multilamellar
Structure；Then, white-light emitting layer 17 makes the first hole transmission layer 31, the first hole transmission layer can be single layer structure or
Multiple structure including electronic barrier layer.In the specific embodiment of the invention, electron transfer layer, white-light emitting layer and the first hole pass
The concrete manufacture method of defeated layer is same as the prior art, repeats no more here.
Then, as it is shown on figure 3, use evaporation coating method to make the first anode 110, the first sun on the first hole transmission layer 31
The concrete manufacture method of pole is same as the prior art, repeats no more here.Then, the first anode 110 makes the second hole
Transmitting layer 32, the second hole transmission layer can use the method such as evaporation to make, the concrete manufacture method of the second hole transmission layer with
The manufacture method of the first hole transmission layer is identical.
Then, as it is shown on figure 3, make second plate 111 on the second hole transmission layer 32, the concrete making of second plate
Method is same as the prior art, repeats no more here.Then, making the 3rd hole transmission layer 33 on second plate 111, the 3rd
The concrete manufacture method of hole transmission layer is identical with the manufacture method of the first hole transmission layer.
Then, as it is shown on figure 3, make third anode 112 on the 3rd hole transmission layer 33, the concrete making of third anode
Method is same as the prior art, repeats no more here.The first anode 110 in the specific embodiment of the invention, second plate 111 and
The material of third anode 112 can be metal material, it is also possible to for other conductive material.Finally, the whole substrate base of covering is made
The encapsulated layer 19 of plate, the concrete manufacture method of encapsulated layer is same as the prior art, repeats no more here.
The organic electroluminescence device of specific embodiment of the invention making top emission type structure combines Fig. 5 and is introduced, first
First, underlay substrate 10 makes the first anode 110, then, the first anode 110 makes the first hole transmission layer 31, connects
, the first hole transmission layer 31 makes second plate 111, then, second plate 111 makes the 3rd hole transmission layer
33, then, the 3rd hole transmission layer 33 makes third anode 112, then, third anode 112 makes the second hole
Transmitting layer 32.
Then, as it is shown in figure 5, make successively on the second hole transmission layer 32 white-light emitting layer 17, electron transfer layer 16,
Negative electrode 15, encapsulated layer 19, red sub-pixel filter layer 13, green sub-pixels filter layer 12, blue subpixels filter layer 11, and
Protective layer 60.
In sum, the specific embodiment of the invention provides a kind of organic electroluminescence device, including underlay substrate, Yi Jishe
Put the white-light emitting layer on underlay substrate, red sub-pixel filter layer, green sub-pixels filter layer and blue subpixels to filter
Layer；Underlay substrate includes viewing area and perimeter leads district；Wherein, the first hole transmission layer and the second hole transmission layer are also included；
First hole transmission layer is arranged between the first anode corresponding to blue subpixels filter layer and white-light emitting layer, and covers substrate
The viewing area of substrate；Second hole transmission layer is positioned at above the first anode, and covers the viewing area of underlay substrate；And first sun
Second plate that the horizontal plane at place, pole is at least corresponding with green sub-pixels filter layer, red sub-pixel filter layer corresponding the 3rd
The horizontal plane at one of anode place is positioned at different horizontal planes.Due to the second hole transmission layer position in the specific embodiment of the invention
Above the first anode, and covering the viewing area of underlay substrate, therefore the second hole transmission layer is also used as blue subpixels
Encapsulated layer so that the water oxygen isolation effect of blue subpixels obtains bigger improvement, and therefore the specific embodiment of the invention can
Improve the problem that the aging rear color of organic electroluminescence device is partially yellow；It addition, with the organic electroluminescence device phase of prior art
Ratio, in the specific embodiment of the invention horizontal plane at first anode place at least with the water at one of second plate, third anode place
Plane is positioned at the first anode in different horizontal planes, the i.e. specific embodiment of the invention and arrives to the distance between negative electrode, second plate
Distance between negative electrode and third anode in the distance between negative electrode at least the value of two distances unequal, therefore, this
In invention specific embodiment, the emission spectrum of organic electroluminescence device there are differences, and the colour gamut of organic electroluminescence device obtains
Promote.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an organic electroluminescence device, including underlay substrate, and be arranged on described underlay substrate white-light emitting layer,
Red sub-pixel filter layer, green sub-pixels filter layer and blue subpixels filter layer；Described underlay substrate include viewing area and
Perimeter leads district；It is characterized in that, also include the first hole transmission layer and the second hole transmission layer；
Described first hole transmission layer is arranged on the first anode corresponding to described blue subpixels filter layer and described white-light emitting
Between Ceng, and cover the viewing area of described underlay substrate；
Described second hole transmission layer is positioned at above the described first anode, and covers the viewing area of described underlay substrate；And
The second plate that the horizontal plane at described first anode place is at least corresponding with described green sub-pixels filter layer, described redness
The horizontal plane at one of the third anode that sub-pixel filter layer is corresponding place is positioned at different horizontal planes.
Organic electroluminescence device the most according to claim 1, it is characterised in that also include the 3rd hole transmission layer, institute
State the 3rd hole transmission layer to be arranged between described second plate and described third anode.
Organic electroluminescence device the most according to claim 2, it is characterised in that described 3rd hole transmission layer covers institute
State the viewing area of underlay substrate.
Organic electroluminescence device the most according to claim 2, it is characterised in that also include yellow sub-pixel filter layer or
White sub-pixels filter layer, and the 4th hole transmission layer；
Described 4th hole transmission layer is arranged between anode corresponding to described yellow sub-pixel filter layer and described third anode；
Or,
Described 4th hole transmission layer is arranged between anode corresponding to described white sub-pixels filter layer and described third anode.
Organic electroluminescence device the most according to claim 4, it is characterised in that described 4th hole transmission layer covers institute
State the viewing area of underlay substrate.
Organic electroluminescence device the most according to claim 2, it is characterised in that the material of described first hole transmission layer
Material, the material of described second hole transmission layer, and the material of described 3rd hole transmission layer is the most identical.
Organic electroluminescence device the most according to claim 6, it is characterised in that the material of described first hole transmission layer
Material, the material of described second hole transmission layer, and the material of described 3rd hole transmission layer is inorganic material.
8. a display device, it is characterised in that include the organic electroluminescence described in claim 1-7 any claim
Part.
9. a manufacture method for organic electroluminescence device, is included on underlay substrate making white-light emitting layer, red sub-picture
Element filter layer, green sub-pixels filter layer, blue subpixels filter layer and described blue subpixels filter layer corresponding first
The third anode that second plate that anode, described green sub-pixels filter layer are corresponding is corresponding with described red sub-pixel filter layer
Method, it is characterised in that also include:
Underlay substrate makes the first hole transmission layer of the viewing area covering underlay substrate, described first hole transmission layer system
Make between the described first anode and described white-light emitting layer；
The second hole transmission layer in the viewing area of the described first anode described underlay substrate of covering fabricated above；Wherein: described
The horizontal plane at first anode place at least horizontal plane from one of described second plate, described third anode place is positioned at different
Horizontal plane.
Manufacture method the most according to claim 9, it is characterised in that be additionally included on described underlay substrate making and cover
3rd hole transmission layer of the viewing area of described underlay substrate, described 3rd hole transmission layer is produced on described second plate and institute
State between third anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509994.9A CN106098954B (en) | 2016-06-30 | 2016-06-30 | A kind of organic electroluminescence device and preparation method thereof, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509994.9A CN106098954B (en) | 2016-06-30 | 2016-06-30 | A kind of organic electroluminescence device and preparation method thereof, display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106098954A true CN106098954A (en) | 2016-11-09 |
| CN106098954B CN106098954B (en) | 2018-02-27 |
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