CN104218048A - Organic light-emitting device - Google Patents
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- CN104218048A CN104218048A CN201310208501.4A CN201310208501A CN104218048A CN 104218048 A CN104218048 A CN 104218048A CN 201310208501 A CN201310208501 A CN 201310208501A CN 104218048 A CN104218048 A CN 104218048A
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Abstract
The invention discloses an organic light-emitting device. The organic light-emitting device comprises a substrate, and a first light-emitting structure and a second light-emitting structure covering different regions on the same side face of the substrate, wherein the first light-emitting structure comprises a first electrode layer, a first organic functional layer, a second electrode layer and a first isolating column layer; the second light-emitting structure comprises a third electrode layer, a second organic functional layer, a fourth electrode layer and a second isolating column layer; and the third electrode layer and the second electrode layer are of the same material, and are continuous conducting film layers. According to the organic light-emitting device, at least two light-emitting structures are arranged on one substrate, and are connected in series, so that the driving current is low, the service life of the organic light-emitting device is long, and a public electrode wire does not need to be arranged. Moreover, a transmission or non-transmission organic light-emitting device capable of emitting light from both sides can be made by changing the light transmittance of each electrode layer. Furthermore, the organic light-emitting device is adjustable in design, and has a high manufacturing freedom degree.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of organic electroluminescence device.
Background technology
Organic electroluminescence device (Organic Light Emission Diode is called for short OLED), has the characteristics such as brightness is high, material selection range is wide, driving voltage is low, all solidstate active illuminating.Have high definition, wide viewing angle simultaneously, and the advantage such as fast response time, be a kind of Display Technique and light source of great potential, meet the development trend of information age mobile communication and information displaying, and the requirement of green lighting technique.Therefore organic electroluminescence device is the focus of the concern of current lot of domestic and foreign researcher.
The organic electroluminescence device of existing double-sided display is generally be prepared on the same side of same substrate side by side by multiple ray structure, adopts mode in parallel to connect these ray structures, drives this ray structure luminous with external AC.Therefore, light requirement quarter or mask arrange many public electrode circuits, to connect these ray structures.Cause the light-emitting area of this organic electroluminescence device limited, and Design and manufacture difficulty is higher.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of light-emitting area comparatively large, manufactures and designs better simply organic electroluminescence device.
In order to solve the problems of the technologies described above, The embodiment provides a kind of organic electroluminescence device, comprise substrate and being covered in first ray structure of zones of different of same side and second ray structure of described substrate;
Described first ray structure comprises the first electrode layer, the first organic function layer, the second electrode lay and the first insulated column layer; Described first electrode layer is covered in described substrate surface; Described first organic functions layer segment is covered in described first electrode layer surface; Described the second electrode lay is covered in described first organic function layer surface;
Described second ray structure comprises third electrode layer, the second organic function layer, the 4th electrode layer and the second insulated column layer; Described third electrode layer is covered in described substrate surface; Described third electrode layer is identical with the material of described the second electrode lay, and described third electrode layer and described the second electrode lay are continuous conduction rete, described first insulated column layer is covered in described substrate surface, and described first insulated column layer is located at the side of described first electrode layer and the first organic function layer, for isolating the described continuous conduction rete and described first electrode layer and the first organic function layer that described third electrode layer and described the second electrode lay formed; Described second organic function layer is covered in described third electrode layer surface; Described 4th electrode layer is covered in described second organic function layer surface, and extends to described substrate surface, forms continuous conduction rete; Described second insulated column layer is covered in described substrate surface, and described second insulated column layer is located at the side of described third electrode layer and described second organic function layer, for isolating the continuous conduction rete of described 4th electrode layer and described third electrode layer and described second organic function layer.
Wherein, described first organic functions layer segment is covered in described first electrode layer surface, and described first electrode layer surface exposed part is used for external electrode line; Described 4th electrode layer extends to the part of described substrate surface, for external electrode line; Described electrode wires is connected to external voltage place, to drive described organic electroluminescence device luminous.
Wherein, described second organic function layer is covered in described the second electrode lay and described third electrode layer surface, and described second organic function layer is continuous conduction rete; Described 4th electrode layer is covered in described second organic function layer surface, and described 4th electrode layer is continuous conduction rete.
Wherein, described organic electroluminescence device also comprises the 3rd ray structure being covered in described substrate, described 3rd ray structure comprises the 5th electrode layer, the 3rd organic function layer, the 6th electrode layer and the 3rd insulated column layer, and described 5th electrode layer is covered in described substrate surface; Described 5th electrode layer is identical with described 4th electrode layer material, and forms continuous conduction rete; Described 3rd organic function layer is covered in described 5th electrode layer surface; Described 6th electrode layer is covered in described 3rd organic function layer surface, and extends to described substrate surface; Described 3rd insulated column layer is covered in described substrate surface, and is located at the side of described 5th electrode layer and described 3rd organic function layer, for isolating the continuous conduction rete of described 6th electrode layer and described 5th electrode layer and described 3rd organic function layer.
Wherein, in described first electrode layer, described the second electrode lay, described third electrode layer, described 4th electrode layer, described 5th electrode layer and described 6th electrode layer, described the second electrode lay is identical with the material of described third electrode layer, and described 4th electrode layer is identical with the material of described 5th electrode layer; The material of described first electrode layer, described the second electrode lay, described 4th electrode layer, described 5th electrode layer is one or more in transparent conductive oxide film, conductive metal film or conducting polymer.
Wherein, described transparent conductive oxide film comprises indium and tin oxide film, indium-zinc oxide or aluminium zinc oxide, gallium zinc oxide; Described conductive metal film comprises silver, gold, Aluminum-aluminum alloy; Described conducting polymer comprises the mixture of poly-(3,4-ethylenedioxythiophene) and poly-(p styrene sulfonic acid), or polyaniline.
Wherein, described first organic function layer, second organic function layer is identical with the structure of the 3rd organic function layer, and described first organic function layer comprises hole transmission layer, luminescent layer and electron transfer layer, described hole transmission layer is covered in described first electrode layer surface, described luminescent layer is covered in described hole transmission layer surface, and described electron transfer layer is covered in described luminescent layer surface, and described the second electrode lay is covered in described electron transfer layer surface.
Wherein, the material of described hole transmission layer is 4,4', 4''-tri-(2-naphthylphenyl is amino) triphenylamine, N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1,1'-biphenyl-4,4'-diamines, (4,4', 4''-tri-(N-3-methylphenyl-N-phenyl is amino) triphenylamine, N, N'-diphenyl-N, N'-bis-(3-aminomethyl phenyl)-1,1'-biphenyl-4,4'-diamines, one in 4,4', 4''-tri-(carbazole-9-base) triphenylamine;
The material of described luminescent layer is by fluorescent material 4-(dintrile methyl)-2-butyl-6-(1, 1, 7, 7-tetramethyl Lip river pyridine of a specified duration-9-vinyl)-4H-pyrans, two (4, 6-difluorophenyl pyridinato-N, C2) pyridinecarboxylic closes iridium, two (4, 6-difluorophenyl pyridinato)-four (1-pyrazolyl) boric acid conjunction iridium, two (2-methyl-diphenyl [f, h] quinoxaline) (acetylacetone,2,4-pentanedione) close iridium, three (1-phenyl-isoquinolin) close iridium or three (2-phenylpyridines) one or more and the material of main part closed in iridium and adulterate and form, described material of main part is 4, 4'-bis-(9-carbazole) biphenyl, oxine aluminium, 1, 3, 5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene, N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1, 1'-biphenyl-4, 4'-diamines, wherein, mass ratio in described fluorescent material and described material of main part is 1:100 ~ 15:100,
The material of described electron transfer layer is 2-(4-xenyl)-5-(4-the tert-butyl group) phenyl-1,3,4-oxadiazole, 4,7-diphenyl-o-phenanthroline or 1,3,5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene, 2,9-dimethyl-4,7-biphenyl-1,10-phenanthrolene, 1, one in 2,4-triazole derivative.
Wherein, the material of described first insulated column layer, the second insulated column layer, the 3rd insulated column layer is one or more in silicon monoxide, silicon dioxide, titanium dioxide.
Wherein, described substrate is clear glass or transparent polymer film.
To sum up, the described organic electroluminescence device provided of the embodiment of the present invention, on a described substrate, arrange at least two ray structures, connect between these ray structures, drive current is lower, and useful life is longer, also without the need to arranging public electrode wire.In addition, by changing the light transmittance of each electrode layer, penetration or non-penetrating type, the described organic electroluminescence device of double-side can be prepared.In addition, described organic electroluminescence device design is adjustable, makes the degree of freedom high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the organic electroluminescence device that first embodiment of the invention provides;
Fig. 2 is the structural representation of the organic electroluminescence device that second embodiment of the invention provides;
Fig. 3 is the structural representation of the organic electroluminescence device that third embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below with reference to the accompanying drawings embodiments of the invention are described.See Fig. 1, it is the structural representation of the first organic electroluminescence device 100 implemented in the present invention.
Described organic electroluminescence device 100 comprises substrate 10 and is covered in first ray structure 20, second ray structure 30 of zones of different of same side and the 3rd ray structure 40 of described substrate 10.
Described substrate 10 is clear glass or transparent polymer film.
Described first ray structure 20 comprises the first electrode layer 21, first organic function layer 22, the second electrode lay 23 and the first insulated column layer 24.Described first electrode layer 21 is covered in described substrate 10 surface.Described first organic function layer 22 part is covered in described first electrode layer 21 surface, and described first electrode layer 21 surface exposure part is used for external electrode line.Described the second electrode lay 23 is covered in described first organic function layer 22 surface.
Described second ray structure 30 comprises third electrode layer 31, second organic function layer the 32, four electrode layer 33 and the second insulated column layer 34.Described third electrode layer 31 is covered in described substrate 10 surface.Described third electrode layer 31 is identical with the material of described the second electrode lay 23, and be described third electrode layer 31 be continuous conduction rete with described the second electrode lay 23, described first insulated column layer 24 is covered in described substrate 10 surface, for isolating the described continuous conduction rete of described third electrode layer 31 and described the second electrode lay 23 formation and described first electrode layer 21 and the first organic function layer 22.Described second organic function layer 32 is covered in described third electrode layer 31 surface.Described 4th electrode layer 33 is covered in described second organic function layer 32 surface, and extends to described substrate 10 surface, forms continuous conduction rete.Described 4th electrode layer 33 extends to the part on described substrate 10 surface, for external electrode line.And correspondingly with the electrode wires of described first electrode layer 11 surface exposure part be connected to external voltage place, to drive described organic electroluminescence device 100 luminous.
Described second insulated column layer 34 is covered in described substrate 10 surface, and described second insulated column layer 34 is located at the side of described third electrode layer 31 and described second organic function layer 32, for isolating the continuous conduction rete of described 4th electrode layer 33 and described third electrode 31 layers and described second organic function layer 32.
Described 3rd ray structure 40 comprises the 5th electrode layer 41, the 3rd organic function layer 42, the 6th electrode layer 43 and the 3rd insulated column layer 44.Described 5th electrode layer 41 is covered in described substrate 10 surface.Described 5th electrode layer 41 is identical with described 4th electrode layer 33 material, and forms continuous conduction rete.Described 3rd organic function layer 42 is covered in described 5th electrode layer 41 surface.Described 6th electrode layer 43 is covered in described 3rd organic function layer 42 surface, and extends to described substrate 10 surface.Described 3rd insulated column layer 44 is covered in described substrate 10 surface, and be located at the lateral edges of described 5th electrode layer 41 and described 3rd organic function layer 42, for isolating the continuous conduction rete of described 6th electrode layer 43 and described 5th electrode layer 41 and described 3rd organic function layer 42.
Wherein, in described first electrode layer 21, described the second electrode lay 23, described third electrode layer 31, described 4th electrode layer 33, described 5th electrode layer 41 and described 6th electrode layer 43, described the second electrode lay 23 is identical with the material of described third electrode layer 31, and described 4th electrode layer 33 is identical with the material of described 5th electrode layer 41.The material of described first electrode layer 21, described the second electrode lay 23, described 4th electrode layer 33, described 5th electrode layer 41 is one or more in transparent conductive oxide film, conductive metal film or conducting polymer.Described transparent conductive oxide film is standby through vacuum magnetic-control sputtering legal system, and the thickness of described transparent conductive oxide film is 40 ~ 2000nm.Described conductive metal film is prepared through Vacuum Coating method, and the thickness of described conductive metal film is 18 ~ 40nm, and described conductive metal film is transparent, or opaque.Described conducting polymer adopts the mode film forming of spin coating, spraying or printing, and the thickness of described conducting polymer is 100 ~ 2000nm.
Concrete, described transparent conductive oxide film comprises indium and tin oxide film (ITO), indium-zinc oxide (IZO) or aluminium zinc oxide (AZO), gallium zinc oxide (GZO).Described conductive metal film comprises silver (Ag), gold (Au), aluminium (Al) and alloy thereof.Described conducting polymer comprises the mixture (PEDOT/PSS) of poly-(3,4-ethylenedioxythiophene) and poly-(p styrene sulfonic acid), or polyaniline (PANI).
In present embodiment, described first organic function layer 22, second organic function layer 32 is identical with the structure of the 3rd organic function layer 42, and all adopts vacuum deposition method preparation.Wherein, described first organic function layer 22 comprises hole transmission layer, luminescent layer and electron transfer layer.Described hole transmission layer is covered in described first electrode layer 21 surface, and described luminescent layer is covered in described hole transmission layer surface, and described electron transfer layer is covered in described luminescent layer surface, and described the second electrode lay 23 is covered in described electron transfer layer surface.In other embodiments, the structure of described first organic function layer 22, second organic function layer 32 and the 3rd organic function layer 42 can be different, also can add hole injection layer separately, electron injecting layer or barrier layer.Or reduce hole transmission layer or electron transfer layer, but described luminescent layer is necessary.
The material of described hole transmission layer is 4,4', 4''-tri-(2-naphthylphenyl is amino) triphenylamine (2-TNATA), N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1,1'-biphenyl-4,4'-diamines (NPB), (4,4', 4''-tri-(N-3-methylphenyl-N-phenyl is amino) triphenylamine (m-MTDATA), N, N'-diphenyl-N, N'-bis-(3-aminomethyl phenyl)-1,1'-biphenyl-4,4'-diamines (TPD), 4, one in 4', 4''-tri-(carbazole-9-base) triphenylamine (TCTA).The thickness of described hole transmission layer is 10 ~ 60nm.
The material of described luminescent layer is by fluorescent material 4-(dintrile methyl)-2-butyl-6-(1, 1, 7, 7-tetramethyl Lip river pyridine of a specified duration-9-vinyl)-4H-pyrans (DCJTB), two (4, 6-difluorophenyl pyridinato-N, C2) pyridinecarboxylic closes iridium (FIrpic), two (4, 6-difluorophenyl pyridinato)-four (1-pyrazolyl) boric acid conjunction iridium (FIr6), two (2-methyl-diphenyl [f, h] quinoxaline) (acetylacetone,2,4-pentanedione) close iridium (Ir (MDQ) 2 (acac)), three (1-phenyl-isoquinolin) close iridium (Ir (piq) 3) or three (2-phenylpyridines) one or more and the material of main part closed in iridium (Ir (ppy) 3) and adulterate and form, described material of main part is 4, 4'-bis-(9-carbazole) biphenyl (CBP), oxine aluminium (Alq3), 1, 3, 5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene (TPBi), N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1, 1'-biphenyl-4, 4'-diamines (NPB), wherein, mass ratio in described fluorescent material and described material of main part is 1:100 ~ 15:100.
The material of described electron transfer layer is 2-(4-xenyl)-5-(4-the tert-butyl group) phenyl-1,3,4-oxadiazole (PBD), 4,7-diphenyl-o-phenanthroline (Bphen), 1,3,5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene (TPBi), 2,9-dimethyl-4,7-biphenyl-1,10-phenanthrolene (BCP), or the one in 1,2,4-triazole derivative (TAZ).The thickness of described electron transfer layer is 20 ~ 60nm.
The material of described first insulated column layer 24, second insulated column layer 34, the 3rd insulated column layer 44 is one or more in silicon monoxide, silicon dioxide, titanium dioxide.The thermal resistance evaporation of employing vacuum or electron beam evaporation all can above-mentioned insulated column layers.
In the organic electroluminescence device 100 of present embodiment, when described first electrode layer 21, described the second electrode lay 23, described third electrode layer 31, described 4th electrode layer 33, described 5th electrode layer 41 and described 6th electrode layer 43 are transparent, described organic electroluminescence device 100 is luminous in penetration.Described the second electrode lay 23 as the negative electrode of described first ray structure 20, also as the anode of described second ray structure 30.Described 4th electrode layer 33 as the negative electrode of described second ray structure 30, also as the anode of described 3rd ray structure 40.Thus realize " series connection " successively of described first ray structure 20, second ray structure 30 and the 3rd ray structure 40.
In addition, when described first electrode layer 21 is transparent, and described the second electrode lay 23 is opaque, described third electrode layer 31 is opaque, described 4th electrode layer 33 is transparent, and described 5th electrode layer 41 is transparent, when the 6th electrode layer 43 is opaque, described organic electroluminescence device 100 is luminous in non-penetrating type, and two-sided all can be luminous.
In present embodiment, described organic electroluminescence device 100 comprises three ray structures, is respectively the first ray structure 20, second ray structure 30 and the 3rd ray structure 40.In other embodiments, described organic electroluminescence device 100 also can comprise the ray structure being greater than three.Each ray structure is connected successively, thus expands the light-emitting area of described organic electroluminescence device 100.Hinge structure, although drive ray structure to need higher driving voltage, drive current is less, thus relatively extends the useful life of described organic electroluminescence device 100.
See Fig. 2, it is the structural representation of the described organic electroluminescence device 200 that second embodiment of the invention provides.In this second embodiment, the structure 200 of described organic electroluminescence device is substantially identical with the structure of the organic electroluminescence device 100 of the first execution mode, its difference is, described organic electroluminescence device 200 only comprises substrate 210 and is covered in first ray structure 220 and second ray structure 230 of zones of different of same side of described substrate 210.
See Fig. 3, it is the structural representation of the described organic electroluminescence device 300 that third embodiment of the invention provides.In the third embodiment, the structure of described organic electroluminescence device 300 is substantially identical with the structure of the organic electroluminescence device 200 of the second execution mode, its difference is, described second organic function layer 332 is covered in described the second electrode lay 223 and described third electrode layer 331 surface, and described second organic function layer 332 is continuous conduction rete.Described 4th electrode layer 333 is covered in described second organic function layer 332 surface, and described 4th electrode layer 333 is continuous conduction rete.
To sum up, the described organic electroluminescence device provided of the embodiment of the present invention, on a described substrate, arrange at least two ray structures, connect between these ray structures, drive current is lower, and useful life is longer, also without the need to arranging public electrode wire.In addition, by changing the light transmittance of each electrode layer, penetration or non-penetrating type, the described organic electroluminescence device of double-side can be prepared.In addition, described organic electroluminescence device design is adjustable, makes the degree of freedom high.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The amendment done within any spirit at above-mentioned execution mode and principle, equivalently to replace and improvement etc., within the protection range that all should be included in this technical scheme.
Claims (10)
1. an organic electroluminescence device, is characterized in that, comprises substrate and is covered in first ray structure of zones of different of same side and second ray structure of described substrate;
Described first ray structure comprises the first electrode layer, the first organic function layer, the second electrode lay and the first insulated column layer; Described first electrode layer is covered in described substrate surface; Described first organic functions layer segment is covered in described first electrode layer surface; Described the second electrode lay is covered in described first organic function layer surface;
Described second ray structure comprises third electrode layer, the second organic function layer, the 4th electrode layer and the second insulated column layer; Described third electrode layer is covered in described substrate surface; Described third electrode layer is identical with the material of described the second electrode lay, and described third electrode layer and described the second electrode lay are continuous conduction rete, described first insulated column layer is covered in described substrate surface, and described first insulated column layer is located at the side of described first electrode layer and the first organic function layer, for isolating the described continuous conduction rete and described first electrode layer and the first organic function layer that described third electrode layer and described the second electrode lay formed; Described second organic function layer is covered in described third electrode layer surface; Described 4th electrode layer is covered in described second organic function layer surface, and extends to described substrate surface, forms continuous conduction rete; Described second insulated column layer is covered in described substrate surface, and described second insulated column layer is located at the side of described third electrode layer and described second organic function layer, for isolating the continuous conduction rete of described 4th electrode layer and described third electrode layer and described second organic function layer.
2. organic electroluminescence device as claimed in claim 1, it is characterized in that, described first organic functions layer segment is covered in described first electrode layer surface, and described first electrode layer surface exposed part is used for external electrode line; Described 4th electrode layer extends to the part of described substrate surface, for external electrode line; Described electrode wires is connected to external voltage place, to drive described organic electroluminescence device luminous.
3. organic electroluminescence device as claimed in claim 2, is characterized in that, described second organic function layer is covered in described the second electrode lay and described third electrode layer surface, and described second organic function layer is continuous conduction rete; Described 4th electrode layer is covered in described second organic function layer surface, and described 4th electrode layer is continuous conduction rete.
4. organic electroluminescence device as claimed in claim 2, it is characterized in that, described organic electroluminescence device also comprises the 3rd ray structure being covered in described substrate, described 3rd ray structure comprises the 5th electrode layer, the 3rd organic function layer, the 6th electrode layer and the 3rd insulated column layer, and described 5th electrode layer is covered in described substrate surface; Described 5th electrode layer is identical with described 4th electrode layer material, and forms continuous conduction rete; Described 3rd organic function layer is covered in described 5th electrode layer surface; Described 6th electrode layer is covered in described 3rd organic function layer surface, and extends to described substrate surface; Described 3rd insulated column layer is covered in described substrate surface, and is located at the side of described 5th electrode layer and described 3rd organic function layer, for isolating the continuous conduction rete of described 6th electrode layer and described 5th electrode layer and described 3rd organic function layer.
5. organic electroluminescence device as claimed in claim 4, it is characterized in that, in described first electrode layer, described the second electrode lay, described third electrode layer, described 4th electrode layer, described 5th electrode layer and described 6th electrode layer, described the second electrode lay is identical with the material of described third electrode layer, and described 4th electrode layer is identical with the material of described 5th electrode layer; The material of described first electrode layer, described the second electrode lay, described 4th electrode layer, described 5th electrode layer is one or more in transparent conductive oxide film, conductive metal film or conducting polymer.
6. organic electroluminescence device as claimed in claim 5, it is characterized in that, described transparent conductive oxide film comprises indium and tin oxide film, indium-zinc oxide or aluminium zinc oxide, gallium zinc oxide; Described conductive metal film comprises silver, gold, Aluminum-aluminum alloy; Described conducting polymer comprises the mixture of poly-(3,4-ethylenedioxythiophene) and poly-(p styrene sulfonic acid), or polyaniline.
7. organic electroluminescence device as claimed in claim 4, it is characterized in that, described first organic function layer, second organic function layer is identical with the structure of the 3rd organic function layer, and described first organic function layer comprises hole transmission layer, luminescent layer and electron transfer layer, described hole transmission layer is covered in described first electrode layer surface, described luminescent layer is covered in described hole transmission layer surface, described electron transfer layer is covered in described luminescent layer surface, and described the second electrode lay is covered in described electron transfer layer surface.
8. organic electroluminescence device as claimed in claim 7, it is characterized in that, the material of described hole transmission layer is 4,4', 4''-tri-(2-naphthylphenyl is amino) triphenylamine, N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1,1'-biphenyl-4,4'-diamines, (4,4', 4''-tri-(N-3-methylphenyl-N-phenyl is amino) triphenylamine, N, N'-diphenyl-N, N'-bis-(3-aminomethyl phenyl)-1,1'-biphenyl-4,4'-diamines, 4, one in 4', 4''-tri-(carbazole-9-base) triphenylamine;
The material of described luminescent layer is by fluorescent material 4-(dintrile methyl)-2-butyl-6-(1, 1, 7, 7-tetramethyl Lip river pyridine of a specified duration-9-vinyl)-4H-pyrans, two (4, 6-difluorophenyl pyridinato-N, C2) pyridinecarboxylic closes iridium, two (4, 6-difluorophenyl pyridinato)-four (1-pyrazolyl) boric acid conjunction iridium, two (2-methyl-diphenyl [f, h] quinoxaline) (acetylacetone,2,4-pentanedione) close iridium, three (1-phenyl-isoquinolin) close iridium or three (2-phenylpyridines) one or more and the material of main part closed in iridium and adulterate and form, described material of main part is 4, 4'-bis-(9-carbazole) biphenyl, oxine aluminium, 1, 3, 5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene, N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1, 1'-biphenyl-4, 4'-diamines, wherein, mass ratio in described fluorescent material and described material of main part is 1:100 ~ 15:100,
The material of described electron transfer layer is 2-(4-xenyl)-5-(4-the tert-butyl group) phenyl-1,3,4-oxadiazole, 4,7-diphenyl-o-phenanthroline or 1,3,5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-Ji) benzene, 2,9-dimethyl-4,7-biphenyl-1,10-phenanthrolene, 1, one in 2,4-triazole derivative.
9. organic electroluminescence device as claimed in claim 4, is characterized in that, the material of described first insulated column layer, the second insulated column layer, the 3rd insulated column layer is one or more in silicon monoxide, silicon dioxide, titanium dioxide.
10. organic electroluminescence device as claimed in claim 1, it is characterized in that, described substrate is clear glass or transparent polymer film.
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| CN106366295A (en) * | 2016-09-05 | 2017-02-01 | 齐鲁工业大学 | Water-soluble fluorescent conjugated polymer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106366295A (en) * | 2016-09-05 | 2017-02-01 | 齐鲁工业大学 | Water-soluble fluorescent conjugated polymer and preparation method thereof |
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Application publication date: 20141217 |