CN105118925A - Organic light-emitting device and manufacturing method, organic light-emitting display panel and apparatus - Google Patents
Organic light-emitting device and manufacturing method, organic light-emitting display panel and apparatus Download PDFInfo
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- CN105118925A CN105118925A CN201510481278.XA CN201510481278A CN105118925A CN 105118925 A CN105118925 A CN 105118925A CN 201510481278 A CN201510481278 A CN 201510481278A CN 105118925 A CN105118925 A CN 105118925A
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- 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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- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
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Abstract
The invention discloses an organic light-emitting device and a manufacturing method, an organic light-emitting display panel and an apparatus. The organic light-emitting device comprises a substrate, a first mixing layer and a second mixing layer, wherein the first mixing layer is located on one side of the substrate; the second mixing layer is located on one side of the first mixing layer and the side is far away from the substrate; the first mixing layer and/or the second mixing layer are formed through mixing at least two materials. The structure and a manufacturing technology of the organic light-emitting device can be simplified so that manufacturing cost is reduced.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of organic luminescent device and manufacture method, organic electroluminescence display panel and device.
Background technology
Along with the develop rapidly of Display Technique, the application of display unit is also more and more extensive.Existing display unit mainly contains liquid crystal indicator and organic light-emitting display device.Compared with liquid crystal indicator, comprising in organic light-emitting display device can self luminous organic luminescent device, does not need extra backlight module, enjoys people to pay close attention to.
Existing organic luminescent device comprises the substrate, anode, organic luminous layer and the negative electrode that stack gradually, wherein, organic luminous layer comprises the hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and the electron injecting layer that stack gradually to cathode direction from anode.When making above-mentioned organic luminous layer, general employing vacuum thermal evaporation technique, forms hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and electron injecting layer successively, that is: needs five film-forming process under vacuum environment.
The organic luminous layer of above-mentioned organic luminescent device has five-layer structure, and structure is more complicated.When above-mentioned employing vacuum thermal evaporation technique makes the organic luminous layer of organic luminescent device, need five film-forming process, thus manufacture craft is more complicated; Need Multicarity vacuum equipment, equipment cost is higher; Stock utilization is lower, and then adds the cost of manufacture of organic luminescent device.
Summary of the invention
The embodiment of the present invention provides a kind of organic luminescent device and manufacture method, organic electroluminescence display panel and device, can solve existing OLED structure and complex manufacturing technology, problem that cost is higher.
For reaching this object, the present invention by the following technical solutions:
First aspect, embodiments provides a kind of organic luminescent device, comprising:
Substrate;
First mixed layer, described first mixed layer is positioned at the side of described substrate;
Second mixed layer, described second mixed layer is positioned at the side away from described substrate of described first mixed layer,
Wherein, described first mixed layer and/or described second mixed layer are adulterated by least bi-material and form.
Second aspect, the embodiment of the present invention additionally provides a kind of manufacture method of organic luminescent device, comprising:
Substrate is provided;
The first mixed layer is formed in the side of described substrate;
The second mixed layer is formed in the side away from described substrate of described first mixed layer,
Wherein, described first mixed layer and/or described second mixed layer are adulterated by least bi-material and form.
The third aspect, the embodiment of the present invention additionally provides a kind of organic electroluminescence display panel, comprises the organic luminescent device that first aspect provides.
Fourth aspect, the embodiment of the present invention additionally provides a kind of organic light-emitting display device, comprises the organic electroluminescence display panel that the third aspect provides.
The organic luminescent device that the embodiment of the present invention provides and manufacture method, organic electroluminescence display panel and device, by the first mixed layer that the organic luminous layer in existing organic luminescent device is set to stack gradually and the second mixed layer, and the first mixed layer and/or the second mixed layer are adulterated by least bi-material and form, organic luminous layer is made only to have double-layer structure, simplify structure and the manufacture craft of organic luminescent device, and then reduce cost.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structure chart of the organic luminescent device that the embodiment of the present invention provides.
Fig. 2 is the flow chart of a kind of implementation of the manufacture method of the organic luminescent device that the embodiment of the present invention provides.
Fig. 3 is the flow chart of the another kind of implementation of the manufacture method of the organic luminescent device that the embodiment of the present invention provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Embodiments provide a kind of organic luminescent device.
Fig. 1 is the structure chart of the organic luminescent device that the embodiment of the present invention provides.As shown in Figure 1, this organic luminescent device comprises substrate 101, first mixed layer 102 and the second mixed layer 103.Wherein, the first mixed layer 102 is positioned at the side of substrate 101; Second mixed layer 103 is positioned at the side away from substrate 101 of the first mixed layer 102; First mixed layer 102 is adulterated by least bi-material and forms, and/or the second mixed layer 103 is adulterated by least bi-material and forms.
The organic luminescent device that the embodiment of the present invention provides, by the first mixed layer that the organic luminous layer in existing organic luminescent device is set to stack gradually and the second mixed layer, and the first mixed layer and/or the second mixed layer are adulterated by least bi-material and form, organic luminous layer is made only to have double-layer structure, no longer need five-layer structure, simplify structure and the manufacture craft of organic luminescent device, and then reduce cost.
Substrate 101 can be that also can be the flexible substrates formed by plastics, can also be the metallic substrates formed by stainless steel by glass, quartz or the dielectric base formed such as ceramic.First mixed layer 102 can comprise the combination of at least two kinds in hole-injecting material, hole mobile material or luminescent material, alternatively, first mixed layer 102 can comprise the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials, also can comprise the combination of hole-injecting material and hole mobile material bi-material.Second mixed layer 103 can comprise the combination of at least two kinds in electron injection material, electron transport material or luminescent material, alternatively, second mixed layer 103 can comprise the combination of electron injection material, electron transport material and luminescent material three kinds of materials, also can comprise the combination of electron injection material and electron transport material bi-material.
To those skilled in the art, it is readily understood that: organic luminescent device comprises luminescent material, and therefore, the first mixed layer 102 comprises luminescent material, and/or the second mixed layer 103 comprises luminescent material.Provide several concrete implementation of the material of the first mixed layer and the second mixed layer below:
One, the first mixed layer 102 comprises the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials; Second mixed layer 103 comprises the combination of electron injection material, electron transport material and luminescent material three kinds of materials.
Two, the first mixed layer 102 comprises the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials; Second mixed layer 103 comprises the combination of electron injection material and electron transport material bi-material.
Three, the first mixed layer 102 comprises the combination of hole-injecting material and hole mobile material bi-material; Second mixed layer 103 comprises the combination of electron injection material, electron transport material and luminescent material three kinds of materials.
Four, the first mixed layer 102 comprises the combination of hole-injecting material and hole mobile material bi-material; Second mixed layer 103 comprises the combination of electron injection material and electron transport material bi-material.
Be understandable that, in order to ensure uniformity and the consistency of the color of the light that organic luminescent device sends, when in the first mixed layer 102 and the second mixed layer 103 all doped with luminescent material time, the color of the light that the color of light that in the first mixed layer 102, the luminescent material of doping sends sends with the luminescent material adulterated in the second mixed layer 103 is substantially identical.
It should be noted that, compared with doped luminescent material in the second mixed layer 103, in first mixed layer 102 during doped luminescent material, this organic luminescent device has luminous efficiency high and life-span long effect, because the electron mobility in hole is greater than the electron mobility of electronics, by doped luminescent material in the first mixed layer 102, (namely the first mixed layer 102 comprises hole-injecting material, the combination of hole mobile material and luminescent material three kinds of materials) after, luminescent material can slow down the electron mobility in hole, the electron mobility in hole can be close with the electron mobility of electronics, and then the luminous efficiency of organic luminescent device can be improved, and extend the life-span of organic luminescent device, wherein, the amount of the electron mobility in the hole that the mass ratio of luminescent material in the first mixed layer 102 can slow down as required designs.
Wherein, hole-injecting material or hole mobile material can be the combination of any one or at least two kinds in aromatic multi-amine compounds (such as TPD, NPD, NPB, TCTA, CuPC or PPDN); Electron injection material or electron transport material can be the combination of any one or at least two kinds in aromatic compound (such as Alq3, Bphen or TPBi); Luminescent material can be the combination of any one or at least two kinds in fluorescence luminescent material or phosphorescent light-emitting materials (such as FIrpic, N-aromatic radical benzimidazole or two stilbene class).It should be noted that, the light that luminescent material sends can be monochromatic light or white light.
Alternatively, first mixed layer 102 can also comprise macromolecule fertile material, wherein, hole-injecting material, hole mobile material and luminescent material three kinds of homogenize material are dispersed in macromolecule fertile material, or hole-injecting material and hole mobile material bi-material are dispersed in macromolecule fertile material.Second mixed layer 103 can also comprise macromolecule fertile material, wherein, electron injection material, electron transport material and luminescent material three kinds of homogenize material are dispersed in macromolecule fertile material, or electron injection material and electron transport material bi-material are dispersed in macromolecule fertile material.Macromolecule fertile material does not participate in the luminescence process of organic luminescent device, as just the carrier of above-described material, by material parcel and dispersion, in addition, macromolecule fertile material can play the effect of heat radiation, thus can provide certain thermal stability for organic luminescent device.Wherein, macromolecule fertile material can be adhesive material, and adhesive material can be the combination of any one or at least two kinds in polyfluorene, polyfluorene derivative, polystyrene, polystyrene derivative, PETG or PEN.
In first mixed layer 102 and the second mixed layer 103, the mass ratio of various material can design according to actual needs, especially, the mass ratio of luminescent material in the first mixed layer 102 and/or the second mixed layer 103 can need to design according to the luminescence of reality.Alternatively, when the first mixed layer 102 comprises combination (i.e. the situation of one and two in above-mentioned specific implementation) of hole-injecting material, hole mobile material and luminescent material three kinds of materials, the quality sum of hole-injecting material and hole mobile material and the mass ratio of luminescent material are not less than 1:99, and are not more than 99:1; When the first mixed layer 102 comprises combination (i.e. the situation of three and four in above-mentioned specific implementation) of hole-injecting material and hole mobile material bi-material, the mass ratio that the quality sum of hole-injecting material and hole mobile material is shared in the first mixed layer 102 was not more than for 50% (mass ratio that namely macromolecule fertile material is shared in the first mixed layer 102 is not less than 50%); When the second mixed layer 103 comprises combination (i.e. the situation of one and three in above-mentioned specific implementation) of electron injection material, electron transport material and luminescent material three kinds of materials, the quality sum of electron injection material and electron transport material and the mass ratio of luminescent material are not less than 1:99, and are not more than 99:1; When the second mixed layer 103 comprises combination (i.e. the situation of two and four in above-mentioned specific implementation) of electron injection material and electron transport material bi-material, the mass ratio that the quality sum of electron injection material and electron transport material is shared in the second mixed layer 103 was not more than for 50% (mass ratio that namely macromolecule fertile material is shared in the second mixed layer 103 is not less than 50%).
Alternatively, the first mixed layer 102 and the/the second mixed layer 103 are formed by silk-screen fabrication techniques.Relative to adopting vacuum thermal evaporation technique to make in prior art, making the first mixed layer 102 and/or the second mixed layer 103 by silk-screen technology, not needing the equipment that cost is higher, thus can cost of manufacture be reduced; The Tg of the molecule formed in silk-screen technical process is higher, thus the life-span (the micromolecular Tg formed when adopting vacuum thermal evaporation technique to make in prior art is lower, thus the life-span of the organic luminescent device be made is shorter) of organic luminescent device can be extended; And large-sized first mixed layer 102 and/or the second mixed layer 103 can be made by silk-screen technology, thus large-sized organic luminescent device (existing vacuum thermal evaporation technique can only make undersized organic luminescent device) can be made.
As shown in Figure 1, this organic luminescent device also comprises anode 104 and negative electrode 105.Wherein, anode 104 is between substrate 101 and the first mixed layer 102; Negative electrode 105 is positioned at the side away from the first mixed layer 102 of the second mixed layer 103.Anode 104 and negative electrode 105 are for providing voltage for organic luminescent device.Wherein, the material of anode 104 can be transparent conductive metal (tin indium oxide, ITO); The material of negative electrode 105 can be metal.
The embodiment of the present invention additionally provides a kind of manufacture method of organic luminescent device.
Fig. 2 is the flow chart of a kind of implementation of the manufacture method of the organic luminescent device that the embodiment of the present invention provides.As shown in Figure 2, the method comprises the following steps:
Step 201, provide substrate.
Step 202, form the first mixed layer in the side of substrate.
Step 203, form the second mixed layer in the side away from substrate of the first mixed layer.Wherein, the first mixed layer and/or the second mixed layer are adulterated by least bi-material and form.
The manufacture method of the organic luminescent device that the embodiment of the present invention provides, by the organic luminous layer in existing organic luminescent device being made as the first mixed layer and the second mixed layer that stack gradually, and the first mixed layer and/or the second mixed layer are adulterated by least bi-material and form, when making to make organic luminous layer, only need to make double-layer structure, no longer need to make five-layer structure, thus simplify the manufacture craft of organic luminescent device, and then reduce cost of manufacture.
The substrate provided in step 201 can be that also can be the flexible substrates formed by plastics, can also be the metallic substrates formed by stainless steel by glass, quartz or the dielectric base formed such as ceramic.
The first mixed layer formed in step 202 can comprise the combination of at least two kinds in hole-injecting material, hole mobile material or luminescent material, alternatively, first mixed layer can comprise the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials, also can comprise the combination of hole-injecting material and hole mobile material bi-material.
The second mixed layer formed in step 203 can comprise the combination of at least two kinds in electron injection material, electron transport material or luminescent material, alternatively, second mixed layer can comprise the combination of electron injection material, electron transport material and luminescent material three kinds of materials, also can comprise the combination of electron injection material and electron transport material bi-material.
To those skilled in the art, it is readily understood that: organic luminescent device comprises luminescent material, and therefore, the first mixed layer comprises luminescent material, and/or the second mixed layer comprises luminescent material.Provide several concrete implementation of the material of the first mixed layer and the second mixed layer below:
One, the first mixed layer comprises the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials; Second mixed layer comprises the combination of electron injection material, electron transport material and luminescent material three kinds of materials.
Two, the first mixed layer comprises the combination of hole-injecting material, hole mobile material and luminescent material three kinds of materials; Second mixed layer comprises the combination of electron injection material and electron transport material bi-material.
Three, the first mixed layer comprises the combination of hole-injecting material and hole mobile material bi-material; Second mixed layer comprises the combination of electron injection material, electron transport material and luminescent material three kinds of materials.
Four, the first mixed layer comprises the combination of hole-injecting material and hole mobile material bi-material; Second mixed layer comprises the combination of electron injection material and electron transport material bi-material.
Be understandable that, in order to ensure uniformity and the consistency of the color of the light that organic luminescent device sends, when in the first mixed layer and the second mixed layer all doped with luminescent material time, the color of the light that the luminescent material adulterated in the first mixed layer sends is identical with the color of the light that the luminescent material adulterated in the second mixed layer sends.
It should be noted that, compared with doped luminescent material in the second mixed layer, in first mixed layer during doped luminescent material, this organic luminescent device has luminous efficiency high and life-span long effect, because the electron mobility in hole is greater than the electron mobility of electronics, by doped luminescent material in the first mixed layer, (namely the first mixed layer comprises hole-injecting material, the combination of hole mobile material and luminescent material three kinds of materials) after, luminescent material can slow down the electron mobility in hole, the electron mobility in hole can be close with the electron mobility of electronics, and then the luminous efficiency of organic luminescent device can be improved, and extend the life-span of organic luminescent device, wherein, the amount of the electron mobility in the hole that the mass ratio of luminescent material in the first mixed layer can slow down as required designs.
Wherein, hole-injecting material or hole mobile material can be the combination of any one or at least two kinds in aromatic multi-amine compounds (such as TPD, NPD, NPB, TCTA, CuPC or PPDN); Electron injection material or electron transport material can be the combination of any one or at least two kinds in aromatic compound (such as Alq3, Bphen or TPBi); Luminescent material can be the combination of any one or at least two kinds in fluorescence luminescent material or phosphorescent light-emitting materials (such as FIrpic, N-aromatic radical benzimidazole or two stilbene class).It should be noted that, the light that luminescent material sends can be monochromatic light or white light.
Alternatively, first mixed layer can also comprise macromolecule fertile material, wherein, hole-injecting material, hole mobile material and luminescent material three kinds of homogenize material are dispersed in macromolecule fertile material, or hole-injecting material and hole mobile material bi-material are dispersed in macromolecule fertile material.Second mixed layer can also comprise macromolecule fertile material, wherein, electron injection material, electron transport material and luminescent material three kinds of homogenize material are dispersed in macromolecule fertile material, or electron injection material and electron transport material bi-material are dispersed in macromolecule fertile material.Macromolecule fertile material does not participate in the luminescence process of organic luminescent device, as just the carrier of above-described material, by material parcel and dispersion, in addition, macromolecule fertile material can play the effect of heat radiation, thus can provide certain thermal stability for organic luminescent device.Wherein, macromolecule fertile material can be adhesive material, and adhesive material can be the combination of any one or at least two kinds in polyfluorene, polyfluorene derivative, polystyrene, polystyrene derivative, PETG or PEN.
In first mixed layer and the second mixed layer, the mass ratio of various material can design according to actual needs, and especially, the mass ratio of luminescent material in the first mixed layer and/or the second mixed layer can need design according to the luminescence of reality.Alternatively, when the first mixed layer comprises combination (i.e. the situation of one and two in above-mentioned specific implementation) of hole-injecting material, hole mobile material and luminescent material three kinds of materials, the quality sum of hole-injecting material and hole mobile material and the mass ratio of luminescent material are not less than 1:99, and are not more than 99:1; When the first mixed layer comprises combination (i.e. the situation of three and four in above-mentioned specific implementation) of hole-injecting material and hole mobile material bi-material, the mass ratio that the quality sum of hole-injecting material and hole mobile material is shared in the first mixed layer was not more than for 50% (mass ratio that namely macromolecule fertile material is shared in the first mixed layer 102 is not less than 50%); When the second mixed layer comprises combination (i.e. the situation of one and three in above-mentioned specific implementation) of electron injection material, electron transport material and luminescent material three kinds of materials, the quality sum of electron injection material and electron transport material and the mass ratio of luminescent material are not less than 1:99, and are not more than 99:1; When the second mixed layer comprises combination (i.e. the situation of two and four in above-mentioned specific implementation) of electron injection material and electron transport material bi-material, the mass ratio that the quality sum of electron injection material and electron transport material is shared in the second mixed layer was not more than for 50% (mass ratio that namely macromolecule fertile material is shared in the second mixed layer is not less than 50%).
Fig. 3 is the flow chart of the another kind of implementation of the manufacture method of the organic luminescent device that the embodiment of the present invention provides.As shown in Figure 3, the method comprises the following steps:
Step 301, provide substrate.
Step 302, between substrate and the first mixed layer, form anode.
Substrate is put into anode film forming room, between substrate and the first mixed layer, form anode.The material of anode can be transparent conductive metal (tin indium oxide, ITO)
Step 303, calculate the quality of often kind of material in the first mixed layer.
The quality of often kind of material in calculating first mixed layer is needed according to concrete design.
Step 304, often kind of material in the first mixed layer is carried out Homogeneous phase mixing.
According to four kinds of implementations of the material of the first mixed layer provided above, by any one the various material in above-mentioned four kinds of implementations and macromolecule fertile material Homogeneous phase mixing, any one the various homogenize material in above-mentioned four kinds of implementations are dispersed in macromolecule fertile material.
Step 305, employing silk-screen technology form the first mixed layer in the side of substrate.
In screen printing device, silk-screen technology is adopted to form the first mixed layer in the side of substrate.Relative to adopting vacuum thermal evaporation technique to make in prior art, making the first mixed layer by silk-screen technology, not needing the equipment that cost is higher, thus can cost of manufacture be reduced; The Tg of the molecule formed in silk-screen technical process is higher, thus the life-span (the micromolecular Tg formed when adopting vacuum thermal evaporation technique to make in prior art is lower, thus the life-span of the organic luminescent device be made is shorter) of organic luminescent device can be extended; And large-sized first mixed layer can be made by silk-screen technology, thus large-sized organic luminescent device (existing vacuum thermal evaporation technique can only make undersized organic luminescent device) can be made.
Step 306, to formed the first mixed layer be cured process.
Because the first mixed layer adopting silk-screen technology to be formed is wet film, in this step, the organic luminescent device after formation first mixed layer is moved in curing apparatus from screen printing device, carry out hot curing process, form dry film.
Step 307, calculate the quality of often kind of material in the second mixed layer.
The quality of often kind of material in calculating second mixed layer is needed according to concrete design.
Step 308, often kind of material in the second mixed layer is carried out Homogeneous phase mixing.
According to four kinds of implementations of the material of the second mixed layer provided above, by any one the various material in above-mentioned four kinds of implementations and macromolecule fertile material Homogeneous phase mixing, any one the various homogenize material in above-mentioned four kinds of implementations are dispersed in macromolecule fertile material.
Step 309, employing silk-screen technology form the second mixed layer in the side away from substrate of the first mixed layer.
In screen printing device, silk-screen technology is adopted to form the second mixed layer in the side of substrate.Relative to adopting vacuum thermal evaporation technique to make in prior art, making the second mixed layer by silk-screen technology, not needing the equipment that cost is higher, thus can cost of manufacture be reduced; The Tg of the molecule formed in silk-screen technical process is higher, thus the life-span (the micromolecular Tg formed when adopting vacuum thermal evaporation technique to make in prior art is lower, thus the life-span of the organic luminescent device be made is shorter) of organic luminescent device can be extended; And large-sized second mixed layer can be made by silk-screen technology, thus large-sized organic luminescent device (existing vacuum thermal evaporation technique can only make undersized organic luminescent device) can be made.
Step 310, to formed the second mixed layer be cured process.
Because the second mixed layer adopting silk-screen technology to be formed is wet film, in this step, the organic luminescent device after formation second mixed layer is moved in curing apparatus from screen printing device, carry out hot curing process, form dry film.
Step 311, the side away from the first mixed layer of the second mixed layer formed negative electrode.
Organic luminescent device after formation second mixed layer is put into cathode filming room, forms negative electrode in the side away from the first mixed layer of the second mixed layer.The material of negative electrode can be metal.
The embodiment of the present invention additionally provides a kind of organic electroluminescence display panel, comprises the organic luminescent device provided above.
The embodiment of the present invention additionally provides a kind of organic light-emitting display device, comprises the organic electroluminescence display panel provided above.This organic light-emitting display device can be any electronic equipments comprising display unit such as mobile phone, computer or flat board.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (18)
1. an organic luminescent device, is characterized in that, comprising:
Substrate;
First mixed layer, described first mixed layer is positioned at the side of described substrate;
Second mixed layer, described second mixed layer is positioned at the side away from described substrate of described first mixed layer, and wherein, described first mixed layer and/or described second mixed layer are adulterated by least bi-material and form.
2. organic luminescent device according to claim 1, is characterized in that, described first mixed layer comprises the combination of at least two kinds in hole-injecting material, hole mobile material or luminescent material.
3. organic luminescent device according to claim 2, it is characterized in that, described first mixed layer also comprises macromolecule fertile material, and at least two kinds in described hole-injecting material, described hole mobile material or described luminescent material are scattered in described macromolecule fertile material.
4. organic luminescent device according to claim 3, it is characterized in that, when described first mixed layer comprises described hole-injecting material, described hole mobile material and described luminescent material, the quality sum of described hole-injecting material and described hole mobile material and the mass ratio of described luminescent material are not less than 1:99, and are not more than 99:1;
When described first mixed layer comprises described hole-injecting material and described hole mobile material, the mass ratio that the quality sum of described hole-injecting material and described hole mobile material is shared in described first mixed layer is not more than 50%.
5. according to the arbitrary described organic luminescent device of claim 2-4, it is characterized in that, described hole-injecting material or described hole mobile material are the combination of any one or at least two kinds in aromatic multi-amine compounds.
6. organic luminescent device according to claim 1, is characterized in that, described second mixed layer comprises the combination of at least two kinds in electron injection material, electron transport material or luminescent material.
7. organic luminescent device according to claim 6, it is characterized in that, described second mixed layer also comprises macromolecule fertile material, and at least two kinds in described electron injection material, described electron transport material or described luminescent material are scattered in described macromolecule fertile material.
8. organic luminescent device according to claim 7, it is characterized in that, when described second mixed layer comprises described electron injection material, described electron transport material and described luminescent material, the quality sum of described electron injection material and described electron transport material and the mass ratio of described luminescent material are not less than 1:99, and are not more than 99:1;
When described second mixed layer comprises described electron injection material and described electron transport material, the mass ratio that the quality sum of described electron injection material and described electron transport material is shared in described second mixed layer is not more than 50%.
9. according to the arbitrary described organic luminescent device of claim 6-8, it is characterized in that, described electron injection material or described electron transport material are the combination of any one or at least two kinds in aromatic compound.
10. according to the arbitrary described organic luminescent device of claim 2-4, it is characterized in that, described luminescent material is the combination of any one or at least two kinds in fluorescence luminescent material or phosphorescent light-emitting materials.
11. organic luminescent devices according to claim 3 or 7, it is characterized in that, described macromolecule fertile material is adhesive material.
12. organic luminescent devices according to claim 11, it is characterized in that, described macromolecule fertile material is the combination of any one or at least two kinds in polyfluorene, polyfluorene derivative, polystyrene, polystyrene derivative, PETG or PEN.
13. organic luminescent devices according to claim 1, is characterized in that, described first mixed layer and/or described second mixed layer are formed by silk-screen fabrication techniques.
14. organic luminescent devices according to claim 1, is characterized in that, also comprise:
Anode, described anode is between described substrate and described first mixed layer;
Negative electrode, described negative electrode is positioned at the side away from described first mixed layer of described second mixed layer.
The manufacture method of 15. 1 kinds of organic luminescent devices, is characterized in that, comprising:
Substrate is provided;
The first mixed layer is formed in the side of described substrate;
The second mixed layer is formed in the side away from described substrate of described first mixed layer,
Wherein, described first mixed layer and/or described second mixed layer are adulterated by least bi-material and form.
The manufacture method of 16. organic luminescent devices according to claim 15, is characterized in that, described first mixed layer and/or described second mixed layer adopt silk-screen technology to make.
17. 1 kinds of organic electroluminescence display panels, is characterized in that, comprise the arbitrary described organic luminescent device of claim 1-14.
18. 1 kinds of organic light-emitting display devices, is characterized in that, comprise organic electroluminescence display panel according to claim 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481278.XA CN105118925A (en) | 2015-08-03 | 2015-08-03 | Organic light-emitting device and manufacturing method, organic light-emitting display panel and apparatus |
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| CN1468038A (en) * | 2002-06-22 | 2004-01-14 | ����Sdi��ʽ���� | Organic electroluminescent device employing multi-layered anode |
| CN101359721A (en) * | 2008-09-23 | 2009-02-04 | 吉林大学 | Top radiation organic EL part with optical spectrum adjustable |
| WO2011040237A1 (en) * | 2009-09-30 | 2011-04-07 | 凸版印刷株式会社 | Organic electroluminescent element, organic electroluminescent display panel, and organic electroluminescent display panel manufacturing method |
| CN103545445A (en) * | 2012-07-13 | 2014-01-29 | 海洋王照明科技股份有限公司 | Organic electroluminescence device and manufacturing method thereof |
| US20140042469A1 (en) * | 2012-08-10 | 2014-02-13 | Semiconductor Energy Laboratory Co., Ltd. | Light-Emitting Element, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1468038A (en) * | 2002-06-22 | 2004-01-14 | ����Sdi��ʽ���� | Organic electroluminescent device employing multi-layered anode |
| CN101359721A (en) * | 2008-09-23 | 2009-02-04 | 吉林大学 | Top radiation organic EL part with optical spectrum adjustable |
| WO2011040237A1 (en) * | 2009-09-30 | 2011-04-07 | 凸版印刷株式会社 | Organic electroluminescent element, organic electroluminescent display panel, and organic electroluminescent display panel manufacturing method |
| CN103545445A (en) * | 2012-07-13 | 2014-01-29 | 海洋王照明科技股份有限公司 | Organic electroluminescence device and manufacturing method thereof |
| US20140042469A1 (en) * | 2012-08-10 | 2014-02-13 | Semiconductor Energy Laboratory Co., Ltd. | Light-Emitting Element, Light-Emitting Device, Display Device, Electronic Device, and Lighting Device |
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