CN104183728A - Organic electroluminescent apparatus - Google Patents
Organic electroluminescent apparatus Download PDFInfo
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- CN104183728A CN104183728A CN201310195205.5A CN201310195205A CN104183728A CN 104183728 A CN104183728 A CN 104183728A CN 201310195205 A CN201310195205 A CN 201310195205A CN 104183728 A CN104183728 A CN 104183728A
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- Prior art keywords
- layer
- electroluminescent device
- organnic electroluminescent
- core material
- column core
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Classifications
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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
-
- 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
-
- 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]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
Abstract
The invention belongs to the field of organic electroluminescence, concretely relates to an organic electroluminescent apparatus. The invention provides the organic electroluminescent apparatus comprising: cylindrical core materials, and an anode layer, a functional layer and a cathode layer laminated in order from inner to outer of the cylindrical core materials. The organic electroluminescent apparatus is of a cylindrical three-dimensional structure, which enables light to emit from inner to outer, and realizes omnibearing illumination of 360 DEG without rotation. Illumination brightness is high, light-out angle scope is large, light extraction is uniform, structure is simple and firm and weight is light.
Description
Technical field
The invention belongs to organic electroluminescent field, be specifically related to a kind of Organnic electroluminescent device.
Background technology
Organnic electroluminescent device (hereinafter to be referred as OLED) is a kind ofly to take organic material as luminescent material, the energy conversion device that can be luminous energy the electric energy conversion applying.It has the outstanding properties such as ultra-thin, self-luminous, response are fast, low-power consumption, in fields such as demonstration, illuminations, has application prospect very widely.
The OLED device of prior art can be realized double-side and show.The OLED device that these double-sides show adopts two OLED luminescence units conventionally, by adhesive fit together back-to-back form luminous, but this kind of structure is more complicated, increases weight and the thickness of OLED device simultaneously.Also there is research to adopt a public substrate, two OLED light-emitting devices are arranged to the both sides of substrate, this structure also can make OLED device towards two exiting surface light-emitting directions, but the structural limitations of flat panel display the lighting area of OLED, and can not guarantee that each angle goes out uniformity of light.
Summary of the invention
In order to address the above problem, the present invention aims to provide a kind of Organnic electroluminescent device of realizing the comprehensive large-scale illumination of 360 degree or demonstration.
The invention provides a kind of Organnic electroluminescent device, comprise column core material, and stack gradually from inside to outside anode layer, functional layer and the cathode layer at described column core material outer surface from described column core material.
Preferably, the profile of column core material is configured to cylinder, Elliptic Cylinder or polygonal prism cylinder.
More preferably, polygonal prism cylinder is quadrangular or six prisms.
Organnic electroluminescent device prepared by the present invention is the D structure of column, and light is from inside to outside launched, and needn't rotate and can realize the omnibearing illumination of 360 degree, and brightness of illumination is high, rising angle scope is large, bright dipping is even, and simple in structure firm, lightweight.
Preferably, column core material is solid construction or hollow tubular structure.
The column core material of formed objects adopts hollow tubular structure and more easily obtains less quality than adopting solid construction.
More preferably, column core material is hollow tubular structure, and pipe thickness is for being greater than 0cm and being less than 20cm.And more preferably, pipe thickness is 2cm～10cm.
Preferably, the external diameter of column core material is 0.2～20cm.
The column core material that the present invention adopts is the material that can be used as organic electroluminescence device substrate.
Preferably, column core material is glass.
Anode layer, functional layer and cathode layer stack gradually the outer surface in column core material.Particularly, anode layer is arranged between column core material and functional layer, and functional layer is arranged between anode layer and cathode layer.
The preparation of OLED of the present invention can adopt an axial rotation device, and column core material is rotated vertically, controls rotary speed, can be in column core material deposit thickness organic or inorganic thin film uniformly.
Preferably, the material of anode layer is metal gold, silver, aluminium, copper, nickel or platinum.Also preferably, the material of anode layer is the alloy of gold, silver, aluminium, copper, nickel or platinum.
Preferably, the thickness of anode layer is 70～200nm.
Preferably, functional layer comprises luminescent layer, and comprises at least one in hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and electron injecting layer.
Preferably, the thickness of functional layer is 50～200nm.
More preferably, the material of hole injection layer is Phthalocyanine Zinc (ZnPc), CuPc (CuPc), ranadylic phthalocyanine (VOPc), TiOPc (TiOPc), phthalocyanine platinum (PtPc), 4, 4', 4''-tri-(2-naphthyl phenyl amino) triphenylamine (2-TNATA), 4, 4', 4''-tri-(1-naphthyl phenyl amino) triphenylamine (1-TNATA), N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1, 1'-biphenyl-4, 4'-diamines (NPB), 4, 4', 4''-tri-(N-3-aminomethyl phenyl-N-phenyl amino) triphenylamine (m-MTDATA), N, N'-diphenyl-N, N'-bis-(3-aminomethyl phenyl)-1, 1'-biphenyl-4, 4'-diamines (TPD), N, N, N', N '-tetramethoxy phenyl)-benzidine (MeO-TPD) or 2, two (the N of 7-, N-bis-(4-methoxyphenyl) amino)-9, 9-spiral shell two fluorenes (MeO-Sprio-TPD).
More preferably, the material of hole transmission layer is N, N'-diphenyl-N, N'-bis-(1-naphthyl)-1, 1'-biphenyl-4, 4'-diamines (NPB), 4, 4', 4''-tri-(N-3-aminomethyl phenyl-N-phenyl amino) triphenylamine (m-MTDATA), N, N'-diphenyl-N, N'-bis-(3-aminomethyl phenyl)-1, 1'-biphenyl-4, 4'-diamines (TPD), N, N, N', N '-tetramethoxy phenyl)-benzidine (MeO-TPD), 2, two (the N of 7-, N-bis-(4-methoxyphenyl) amino)-9, 9-spiral shell two fluorenes (MeO-Sprio-TPD), 4, 4', 4''-tri-(carbazole-9-yl) triphenylamine (TCTA), 1, 1-bis-(4-(N, N '-bis-(p-tolyl) amino) phenyl) cyclohexane (TAPC) or 2, 2 ', 7, 7 '-tetra-(N, N-hexichol amido)-9, 9 '-spiral shell, two fluorenes (S-TAD).
More preferably, the material of luminescent layer is 4-(dintrile methyl)-2-butyl-6-(1,1,7,7-tetramethyl Lip river of a specified duration pyridine-9-vinyl)-4H-pyrans (DCJTB), two (2-methyl-oxine-N1, O8)-(1,1'-biphenyl-4-hydroxyl) aluminium (Balq), 4-(dintrile methene)-2-isopropyl-6-(1,1,7,7-tetramethyl Lip river of a specified duration pyridine-9-vinyl)-4H-pyrans (DCJTI), dimethylquinacridone (DMQA), oxine aluminium (Alq
3), 5,6,11,12-tetraphenyl naphthonaphthalene (Rubrene), 4,4'-bis-(2,2-diphenylethyllene)-1,1'-biphenyl (DPVBi), 4,4'-two [4-(di-p-tolyl is amino) styryl] biphenyl (DPAVBi), two (4,6-difluorophenyl pyridine-N, C2) pyridine formyl closes iridium (FIrpic), two (4,6-difluorophenyl pyridine)-tetra-(1-pyrazolyl) boric acid closes iridium (FIr6), two (the fluoro-5-cyano-phenyl of 4,6-bis-pyridine-N, C2) pyridine carboxylic acid closes iridium, (FCNIrpic), two (2 ', 4 '-difluorophenyl) pyridine] (tetrazolium pyridine) close iridium (FIrN
4), two (2-methyl-diphenyl [f, h] quinoxaline) (acetylacetone,2,4-pentanediones) close iridium (Ir (MDQ)
2(acac)), two (1-phenyl isoquinolin quinoline) (acetylacetone,2,4-pentanediones) close iridium (Ir (piq)
2(acac)), acetopyruvic acid two (2-phenylpyridine) iridium (Ir (ppy)
2(acac)), three (1-phenyl-isoquinolin) close iridium (Ir (piq)
3) or three (2-phenylpyridines) close iridium (Ir (ppy)
3).
More preferably, the material of electron transfer layer is 2-(4-xenyl)-5-(4-the tert-butyl group) phenyl-1,3,4-oxadiazole (PBD), (oxine)-aluminium (Alq
3), 4,7-diphenyl-o-phenanthroline (Bphen), 1,3,5-tri-(1-phenyl-1H-benzimidazolyl-2 radicals-yl) benzene (TPBi), 2,9-dimethyl-4,7-biphenyl-1,10-phenanthrolene (BCP), 3-(biphenyl-4-yl)-5-(4-tert-butyl-phenyl)-4-phenyl-4H-1,2,4-triazole (TAZ) or two (2-methyl-oxine-N1, O8)-(1,1'-biphenyl-4-hydroxyl) aluminium (Balq).
More preferably, the material of electron injecting layer is lithium fluoride (LiF), sodium fluoride (NaF), rubidium fluoride RbF (RbF), cesium fluoride (CsF), magnesium fluoride (MgF
2) or lithia (Li
2o).
Preferably, the material of cathode layer is metallic gold (Au), silver (Ag), samarium (Sm), ytterbium (Yb), magnesium (Mg) or calcium (Ca).Also preferably, the material of cathode layer is the alloy of metal gold, silver, samarium, ytterbium, magnesium or calcium.
Preferably, the thickness of cathode layer is 18～30nm.
The present invention has following beneficial effect:
Organnic electroluminescent device provided by the invention is the D structure of column, and light is from inside to outside launched, and needn't rotate and can realize the omnibearing illumination of 360 degree, and brightness of illumination is high, rising angle scope is large, bright dipping is even, and simple in structure firm, lightweight.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 (a) and (b) be schematic diagram and the vertical view of the Organnic electroluminescent device of the embodiment of the present invention 1 preparation.
Fig. 2 (a) and (b) be schematic diagram and the vertical view of the Organnic electroluminescent device of the embodiment of the present invention 2 preparation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
An Organnic electroluminescent device, the cylindric glass with solid construction that the diameter of take is 0.2cm is core material 10, at cylindric core material outer surface be cascading anode layer, functional layer and cathode layer.Particularly, the material of anode layer is Au, and thickness is 70nm; The thickness of functional layer is 50nm; The material of hole injection layer is ZnPc; The material of hole transmission layer is NPB; The material of luminescent layer is DCJTB; The material of electron transfer layer is Alq
3; The material of electron injecting layer is LiF; The material of cathode layer is Au, and thickness is 18nm.
Refer to Fig. 1, Fig. 1 (a) adopts the schematic diagram of Organnic electroluminescent device prepared by the cylindric core material of solid construction, the vertical view that Fig. 1 (b) is this device for the present embodiment 1.Organnic electroluminescent device prepared by the present embodiment comprises cylindric core material 10, the anode layer 20 being cascading at cylindric core material outer surface, functional layer 30 and cathode layer 40, and wherein functional layer 30 comprises hole injection layer 301, hole transmission layer 302, luminescent layer 303, electron transfer layer 304 and electron injecting layer 305.
Embodiment 2
An Organnic electroluminescent device, the cylindric glass with hollow tubular structure that the external diameter of take is 20cm is core material 100, at cylindric core material outer surface be cascading anode layer, functional layer and cathode layer.Particularly, the material of anode layer is Ag, and thickness is 200nm; The thickness of functional layer is 200nm; The material of hole injection layer is m-MTDATA; The material of hole transmission layer is TPD; The material of luminescent layer is FIrpic; The material of electron transfer layer is Bphen; The material of electron injecting layer is CsF; The material of cathode layer is magnesium calcium alloy, and thickness is 30nm.
Refer to Fig. 2, Fig. 2 (a) adopts the schematic diagram of Organnic electroluminescent device prepared by the cylindric core material of hollow tubular structures, the vertical view that Fig. 2 (b) is this device for the present embodiment 2.Organnic electroluminescent device prepared by the present embodiment comprises cylindric core material 100, the anode layer 200 being cascading at cylindric core material outer surface, functional layer 300 and cathode layer 400, and wherein functional layer 300 comprises hole injection layer 3001, hole transmission layer 3002, luminescent layer 3003, electron transfer layer 3004 and electron injecting layer 3005.
Embodiment 3
A kind of Organnic electroluminescent device, the oval column glass with hollow tubular structure of take is core material, in oval column core material, be cascading anode layer, functional layer and cathode layer, wherein functional layer comprises hole transmission layer, luminescent layer and electron injecting layer.
Particularly, the material of anode layer is Ni, and thickness is 120nm; The thickness of functional layer is 90nm; The material of hole transmission layer is TAPC; The material of luminescent layer is Alq
3; The material of electron injecting layer is MgF
2; The material of cathode layer is Mg, and thickness is 25nm.
Embodiment 4
An Organnic electroluminescent device, the quadrangular shape glass with solid construction of take is core material, in quadrangular shape core material, be cascading anode layer, functional layer and cathode layer, wherein functional layer comprises luminescent layer and electron injecting layer.
Particularly, the material of anode layer is albronze, and thickness is 100nm; The thickness of functional layer is 60nm; The material of luminescent layer is VOPc; The material of electron injecting layer is CsF; The material of cathode layer is Sm, and thickness is 22nm.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an Organnic electroluminescent device, is characterized in that, comprises column core material, and stacks gradually from inside to outside anode layer, functional layer and the cathode layer at described column core material outer surface from described column core material.
2. Organnic electroluminescent device as claimed in claim 1, is characterized in that, the profile of described column core material is configured to cylinder, Elliptic Cylinder or polygonal prism cylinder.
3. Organnic electroluminescent device as claimed in claim 2, is characterized in that, described polygonal prism cylinder is quadrangular or six prisms.
4. Organnic electroluminescent device as claimed in claim 1, is characterized in that, described column core material is solid construction or hollow tubular structure.
5. Organnic electroluminescent device as claimed in claim 1, is characterized in that, described column core material is glass.
6. Organnic electroluminescent device as claimed in claim 1, is characterized in that, the thickness of described anode layer is 70～200nm.
7. Organnic electroluminescent device as claimed in claim 1, is characterized in that, described functional layer comprises luminescent layer, and comprises at least one in hole injection layer, hole transmission layer, electron transfer layer and electron injecting layer.
8. Organnic electroluminescent device as claimed in claim 1, is characterized in that, the thickness of described functional layer is 50～200nm.
9. Organnic electroluminescent device as claimed in claim 1, is characterized in that, the material of described cathode layer is metal gold, silver, samarium, ytterbium, magnesium or calcium.
10. Organnic electroluminescent device as claimed in claim 1, is characterized in that, the thickness of described cathode layer is 18～30nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195205.5A CN104183728A (en) | 2013-05-23 | 2013-05-23 | Organic electroluminescent apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195205.5A CN104183728A (en) | 2013-05-23 | 2013-05-23 | Organic electroluminescent apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN104183728A true CN104183728A (en) | 2014-12-03 |
Family
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| CN201310195205.5A Pending CN104183728A (en) | 2013-05-23 | 2013-05-23 | Organic electroluminescent apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025031A (en) * | 2016-07-27 | 2016-10-12 | 杭州大科柔显电子技术有限公司 | Electroluminescence principle based luminescent unit structure and display device |
| CN106856228A (en) * | 2016-12-27 | 2017-06-16 | Tcl集团股份有限公司 | A kind of QLED devices and preparation method thereof |
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| JP2005108516A (en) * | 2003-09-29 | 2005-04-21 | Seiko Epson Corp | Organic el device and power supplying device |
| CN1657325A (en) * | 2005-03-23 | 2005-08-24 | 杨帅兵 | Pillar made of LED plate |
| CN102673024A (en) * | 2011-03-11 | 2012-09-19 | 北京君鹏鑫新技术开发有限公司 | Linear luminous body and manufacturing method thereof |
| CN202691716U (en) * | 2012-07-31 | 2013-01-23 | 四川新力光源股份有限公司 | OLED (Organic Light Emitting Diode) lamp |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547870A (en) * | 2002-05-10 | 2004-11-17 | ������������ʽ���� | Light emitting apparatus and electronic device |
| JP2005108516A (en) * | 2003-09-29 | 2005-04-21 | Seiko Epson Corp | Organic el device and power supplying device |
| CN1657325A (en) * | 2005-03-23 | 2005-08-24 | 杨帅兵 | Pillar made of LED plate |
| CN102673024A (en) * | 2011-03-11 | 2012-09-19 | 北京君鹏鑫新技术开发有限公司 | Linear luminous body and manufacturing method thereof |
| CN202691716U (en) * | 2012-07-31 | 2013-01-23 | 四川新力光源股份有限公司 | OLED (Organic Light Emitting Diode) lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025031A (en) * | 2016-07-27 | 2016-10-12 | 杭州大科柔显电子技术有限公司 | Electroluminescence principle based luminescent unit structure and display device |
| CN106856228A (en) * | 2016-12-27 | 2017-06-16 | Tcl集团股份有限公司 | A kind of QLED devices and preparation method thereof |
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Application publication date: 20141203 |