WO2015128368A1 - Optoelektronisches bauelement und verfahren zum herstellen eines optoelektronischen bauelements - Google Patents
Optoelektronisches bauelement und verfahren zum herstellen eines optoelektronischen bauelements Download PDFInfo
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- WO2015128368A1 WO2015128368A1 PCT/EP2015/053913 EP2015053913W WO2015128368A1 WO 2015128368 A1 WO2015128368 A1 WO 2015128368A1 EP 2015053913 W EP2015053913 W EP 2015053913W WO 2015128368 A1 WO2015128368 A1 WO 2015128368A1
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- hardness
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- electrode
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- optoelectronic component
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- CELPGKFEUDCZOU-UHFFFAOYSA-N 2-naphthalen-2-yl-4,7-diphenyl-1,10-phenanthroline Chemical class C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=C(C=3C=C4C=CC=CC4=CC=3)N=C21 CELPGKFEUDCZOU-UHFFFAOYSA-N 0.000 description 1
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 1
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- TXNLQUKVUJITMX-UHFFFAOYSA-N 4-tert-butyl-2-(4-tert-butylpyridin-2-yl)pyridine Chemical compound CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1 TXNLQUKVUJITMX-UHFFFAOYSA-N 0.000 description 1
- KJEQVQJWXVHKGT-UHFFFAOYSA-N 9,9-dimethyl-2-n,7-n-dinaphthalen-1-yl-2-n,7-n-diphenylfluorene-2,7-diamine Chemical compound C1=C2C(C)(C)C3=CC(N(C=4C=CC=CC=4)C=4C5=CC=CC=C5C=CC=4)=CC=C3C2=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=CC=C1 KJEQVQJWXVHKGT-UHFFFAOYSA-N 0.000 description 1
- RJMORVKVIQBMAP-UHFFFAOYSA-N C1(=CC=CC2=CC=CC=C12)C1C(C=CC(=C1)NC1=CC=CC=C1)(C1=CC=C(N)C=C1)C1=CC=CC=C1 Chemical compound C1(=CC=CC2=CC=CC=C12)C1C(C=CC(=C1)NC1=CC=CC=C1)(C1=CC=C(N)C=C1)C1=CC=CC=C1 RJMORVKVIQBMAP-UHFFFAOYSA-N 0.000 description 1
- PWCSHOCGEHKZMK-UHFFFAOYSA-N C1=C(C=CC2=CC=CC=C12)N(C1=CCC(C=C1)(C1=CC=C(NC2=CC3=CC=CC=C3C=C2)C=C1)C1=CC=CC=C1)C1=CC=CC=C1 Chemical compound C1=C(C=CC2=CC=CC=C12)N(C1=CCC(C=C1)(C1=CC=C(NC2=CC3=CC=CC=C3C=C2)C=C1)C1=CC=CC=C1)C1=CC=CC=C1 PWCSHOCGEHKZMK-UHFFFAOYSA-N 0.000 description 1
- RMXHEZIOSHECQG-UHFFFAOYSA-N C1=CC=CC=2C3=CC=CC=C3C(=CC1=2)C=1C(C(C=CC=1NC1=CC=CC=C1)(C1=CC=C(N)C=C1)C1=CC=CC=C1)C=1C2=CC=CC=C2C=2C=CC=CC=2C=1 Chemical compound C1=CC=CC=2C3=CC=CC=C3C(=CC1=2)C=1C(C(C=CC=1NC1=CC=CC=C1)(C1=CC=C(N)C=C1)C1=CC=CC=C1)C=1C2=CC=CC=C2C=2C=CC=CC=2C=1 RMXHEZIOSHECQG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical class C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- HDGNFKSZZTUTIF-UHFFFAOYSA-N [Ru+3].CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1.CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1.CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1 Chemical compound [Ru+3].CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1.CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1.CC(C)(C)C1=CC=NC(C=2N=CC=C(C=2)C(C)(C)C)=C1 HDGNFKSZZTUTIF-UHFFFAOYSA-N 0.000 description 1
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- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 238000007667 floating Methods 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
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- LBFXFIPIIMAZPK-UHFFFAOYSA-N n-[4-[4-(n-phenanthren-9-ylanilino)phenyl]phenyl]-n-phenylphenanthren-9-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C2=CC=CC=C2C=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C3=CC=CC=C3C=2)C=C1 LBFXFIPIIMAZPK-UHFFFAOYSA-N 0.000 description 1
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- 125000002524 organometallic group Chemical group 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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- 229920002098 polyfluorene Polymers 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- RFDGVZHLJCKEPT-UHFFFAOYSA-N tris(2,4,6-trimethyl-3-pyridin-3-ylphenyl)borane Chemical class CC1=C(B(C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C(C)=CC(C)=C1C1=CC=CN=C1 RFDGVZHLJCKEPT-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/341—Short-circuit prevention
Definitions
- the invention relates to an optoelectronic component and to a method for producing an optoelectronic component
- organic light emitting diodes organic light emitting diodes
- OLED organic light emitting diode
- organic solar cells are being used increasingly widely.
- OLEDs are used more and more frequently in general lighting, for example as area light source.
- Component such as an OLED, can an anode and a cathode with an organic function llen
- functional layer system can be one or more
- Emitter layers have, in which electromagnetic
- Charge generating layer (CGL) for charge carrier pair generation one or more electron block layers, also referred to as
- HTL Hole transport layer
- ETLs electron transport layers
- Organic light emitting diodes as navalnlichtquelien are very vulnerable to 3 -dimensional disorders, such as
- the optoelectronic components having a Verka rating can be, for example, an encapsulation layer structure,
- a laminated on the encapsulation layer structure protective layer which comprises, for example glass.
- the cathode and / or the organic functional layer structure and / or the encapsulation may be damaged and / or it may be on the interfering particles a short circuit between the cathode and anode, for example by the cathode is pressed onto the anode.
- Thin film encapsulation be critical, since a particle on the AI cathode through the soft aluminum of the AI cathode having a hardness of, for example, 23 to 45 HV10 by means of a TFE layer of, for example SiN with a hardness of, for example, 1600 to 2600 HV10 can be pressed into the organic layers, which can lead to a spontaneous failure and / or to a short circuit and / or a latent short circuit.
- a latent short circuit can lead to a real short circuit after an indefinite period of time, for example 100 hours.
- the unit "HV10" indicates that the hardness is after
- Vickers is measured with a test load of 10 kiloponds.
- the hardness can be converted to known formulas and specified in other units.
- Optoelectronic parameters such as voltage, luminance, efficiency and / or color coordinates; the life and especially the
- Luminance, color shifts and / or voltage change over the life span ; the shelf life ("shelf life" to specification); the robustness, in particular with regard to spontaneous failure; the mechanical stability, for example, with respect to layer detachments and / or
- the cathode may peel off due to strain effects, which has a negative impact on the mechanical stability of the optoelectronic
- Components are, for example, the following measures
- Encapsulation layer structure which is advantageous a
- BIO Storage Values ⁇ "B10 u indicates the storage time after which 10% of the components have failed) in particle-loaded processes in the EOL ⁇ End Of Life), but this can adversely extend the process time due to low process temperatures and / or negatives
- due to distortions of the CVD layer may have and may entail a loss of luminous area
- Substrate structuring and / or a high alignment accuracy and / or high investment in adjustment units in FOL ⁇ Front Of Line) at the substrate level requires;
- a change in equipment that makes it difficult or impossible to meet at least partial storage life specifications is a thin CVD ⁇ Chemical Vapor Deposition) SiN coating alone without ALD (Atomic Layer Deposition) nanolaminate coating in a cost effective short process time at approved process temperature only difficult or impossible to realize;
- Instructors of cavity encapsulation can be expensive
- a thick and / or wet hole injection layer can increase the robustness, but can degrade the optoelectronic parameters and / or have negative effects on the lifetime and the performance and / or after a wet chemical process can
- a TFE layer with layer structures made of CVD processes for example SiNCBO x layer sequences and / or LD structures, wherein a high storage stability is only difficult or impossible with these layers in an acceptable process time, even if the labyrinth effect is utilized, which leads to high costs leads, and / or wherein a lack of adaptation to the cathode to a delamination, ie a reduced mechanical stability, lead and / or where thick layers tend in ⁇ - ⁇ due to the voltages to cathode separations;
- Glass lamination as encapsulation, where direct lamination poses the risk of particle debris in the optically and / or electrically active layer structure can increase.
- Optoelectronic device provided that is particularly robust, which is particularly efficient, the high
- Lifespan and storage life has and / or that is simple, inexpensive and / or fast to produce.
- the optoelectronic device contributes to the optoelectronic device is particularly robust and / or efficient and / or has a long life and shelf life, and / or that is simple, inexpensive and / or fast to carry out.
- Optoelectronic component has a carrier and a first electrode over the carrier.
- a second electrode having a first hardness is formed over the organic functional layer structure.
- a particulate trapping layer having a second hardness is formed over the second electrode.
- Encapsulation which has a third hardness, is above de
- the second hardness is less than the first hardness and the second hardness is less than the third hardness.
- the particulate trapping layer and its hardness relative to the hardnesses of the adjacent second electrode and the encapsulation cause the optoelectronic device to have a particularly high robustness.
- Adjacent can be understood in this context as a physical contact or a presence of a common interface.
- the optoelectronic component has a high tolerance to interfering particles in the manufacturing process and / or a high mechanical stability, with no or negligible influence on other product properties such as the optoelectronic parameters and / or the
- Soft or super soft materials may be used for the particulate trapping layer.
- the relatively soft materials may be used for the particulate trapping layer.
- Particle trap absorbs existing particles
- Optoelectronic device and / or, for example, the encapsulation lose the sealing properties.
- Particle trapping layer may also be referred to as first particle trapping layer.
- the optoelectronic component can be, for example, an organic solar cell or an OLED, for example a transparent OLED or a top and / or bottom emitter.
- the particle trap layer is additionally directly on the
- the particle trapping layer can be used, for example, together with flexible, solid,
- transparent or non-transparent substrate and / or support types are used.
- the first hardness corresponds to a hardness value between 20 and 60 HV10, for example between 27 and 45 HV10, for example between 30 and 35 HV10
- the second hardness corresponds to a hardness value between 1 and 59 HV10, for example between 5 and 40 HV10
- the third hardness corresponds to a hardness value between 27 and 10,000 HV10, for example, between 60 and 5,000 HV10, for example, between 100 and 1,000 HV10.
- Possible material combinations of the materials of the second electrode, for example the cathode of the optoelectronic component, and the particle trap layer are, for example
- Optoelectronic device may arise, or
- Electrode and tin or a tin / antimony alloy for the particle trapping layer are Electrode and tin or a tin / antimony alloy for the particle trapping layer.
- the encapsulant comprises a cover body and an encapsulation layer structure, wherein the encapsulation layer structure is disposed over the second electrode and the cover body over the second electrode
- Encapsulation layer structure is arranged and wherein the encapsulation layer structure has the third hardness.
- the encapsulation layer structure may have, for example, a plurality of partial layers, at least those attached to the
- the encapsulation layer structure may be, for example, a thin-film encapsulation.
- Particle-catching metal and / or plastic and / or metal-plastic composites are Particle-catching metal and / or plastic and / or metal-plastic composites.
- Particle filler layer is a foam, such as a foam
- Nanofoam for example a carbon nanofoam or a metal nanofoam
- an airgel for example an Fe airgel, a nanocomposite, a paste or a jelly.
- a nanofoam for example a carbon nanofoam, for example aerographite, or a metal nanofoam, for example, may have a porosity of less than 50% and / or the order of the pores may be in the nanometer and / or micrometer range.
- a polymer-containing nanofoam can be produced, for example, from microemulsions and / or nanocomposites (silicates), for example a polyurethane nanofoam.
- an airgel may consist of up to 99.8% pores.
- a silicate airgel can be made in a sol-gel process.
- the particle size layer may comprise hybrid polymers, such as a Si-O-Si network, and / or composites with soft or hard surfaces without interface interface.
- the colloids can be any organic Particle trapping colloids on.
- the colloids can be any organic Particle trapping colloids on.
- the colloids can be any organic Particle trapping colloids on.
- the maximum expected Störp Stahliere is predetermined by a method for producing the optoelectronic device. For example, clean rooms in which the optoelectronic devices are divided into clean room classes, which among other things of the maximum expected particle size
- the maximum particle size to be expected is less than 0.3 ⁇ and, in the case of the clean room class ISO 2, less than 1 ⁇ . Accordingly, in a production in a clean room of clean room class ISO 1 would be a thickness of
- PartikeIfang silk a thickness in a range between 100 nm and 5 ⁇ ⁇ , for example between 500 nm and 2 ⁇ .
- Particle trap layer formed at least partially directly on the organic functional layer structure.
- the particulate trap layer may be formed in an outer edge region of the organic functional layer structure directly on the organic functional layer structure.
- Particle capture layer at least partially formed adjacent to the second electrode.
- the relatively hard encapsulation in particular the encapsulation layer structure, may also be present in the particle trapping layer and / or the organic functional layer structure in these regions, in particular edge regions and / or at their edges
- the organic functional layer structure has a fourth hardness and the second hardness is less than the fourth hardness. In various embodiments, that
- Optoelectronic component on a further particle trap layer on encapsulation layer structure Optoelectronic component on a further particle trap layer on encapsulation layer structure.
- Particle trap has a fifth hardness that is less than the third hard of the encapsulation.
- Particle trapping layer may also be referred to as a second particle trapping layer.
- a method for producing an optoelectronic component may also be referred to as a second particle trapping layer.
- a carrier is provided,
- a first electrode is formed over the carrier.
- An organic functional group for example, for example, trained.
- Layer structure is formed over the carrier.
- a second electrode having a first hardness is formed over the organic functional layer structure.
- a particulate trapping layer having a second hardness is formed over the second electrode.
- An encapsulation that has a third hardness is above the particulate trapping layer
- the second hardness is less than the first hardness and the second hardness is less than the third hardness.
- super-soft materials of the particle trapping layer can directly, for example, immediately after the training, for example, the deposition, the second electrode or take place after a break, as well as process-related interference particles from the soft particle trapping layer can be recorded.
- a process interruption may take place, in which a particle load is acceptable due to the particle-trapping layer to be subsequently applied. This may allow the particulate trap to ex-vacuum and / or at lower levels
- Form cleanroom quality Furthermore, this allows for the encapsulation encapsulation methods such as a cavity encapsulation, a frit encapsulation and / or a
- lamination encapsulation To use lamination encapsulation.
- known installations such as thermal vaporizers and / or methods such as PECVD, ALD, wet-chemical methods and / or printing methods can be used.
- a printing process for example, spraying,
- the particulate trap layer allows a reduction in general particle cleanliness in the equipment
- the second electrode is formed by means of a mask and the PartiereIfangSchicht is formed with the same mask.
- the mask becomes non-opto-electronic between the formation of the second electrode and the formation of the particle trap layer
- Component removed This can contribute to the fact that no or at least very few interfering particles can get between the second electrode and the particle trapping layer.
- a carbon nanofoam for example aerographite
- this can be produced, for example, by deposition of carbon in a vacuum by laser bombardment.
- the formation of the particle-trapping layer can take place immediately after the formation of the second electrode, for example in the same vacuum and / or with the aid of the same masks.
- a density of the particle trap layer may be in a range of
- the organic functional layer structure has a fourth hardness and the second hardness is less than the fourth hardness.
- FIG. 1 shows a conventional optoelectronic component
- FIG. 2 shows a conventional layer structure of the
- FIG. 3 shows the conventional layer structure according to FIG. 2
- Figure 5 shows an embodiment of an optoelectronic
- Figure 6 shows an embodiment of an optoelectronic
- FIG. 7 shows a flow chart of an embodiment of a
- An optoelectronic component can be an electromagnetic radiation emitting element or a
- e1ek be a magnetic radiation absorbing device.
- An electromagnetic radiation absorbing component may be, for example, a solar cell.
- Electromagnetic radiation emitting device may, for example, as an organic electromagnetic
- the radiation may, for example, be light in the visible range, UV light and / or infrared light.
- the electromagnetic radiation emitting device may be formed, for example, as an organic light emitting diode (OLED) or as an organic light emitting transistor.
- OLED organic light emitting diode
- the optoelectronic component can be part of an integrated circuit in various embodiments. Furthermore, a plurality of optoelectronic
- the conventional optoelectronic component 1 has a carrier 12, for example a substrate. On the carrier 12, an optoelectronic layer structure is formed,
- the optoelectronic layer structure has a first electrode layer 14, which has a first contact section 16, a second contact section 18 and a first
- the second contact section 18 is connected to the first electrode 20 of the optoelectronic
- the first electrode 20 is electrically insulated from the first contact portion 16 by means of an electrical insulation barrier 21.
- an organic functional layer structure 22 of the optoelectronic layer structure is formed above the first electrode 20, an organic functional layer structure 22 of the optoelectronic layer structure is formed.
- the organic functional layer structure 22 may comprise, for example, one, two or more sub-layers, as explained in greater detail below with reference to FIG. About the organic functional
- Layer structure 22 is a second electrode 23 of FIG.
- the first electrode 20 serves, for example, as an anode or
- the second electrode 23 serves corresponding to the first electrode as the cathode or anode of the optoelectronic
- Contact section 18 is an encapsulation layer structure 24 formed, which is the optoelectronic layer structure, in particular the organic functional layer structure
- a first recess of the encapsulation layer structure 24 is above the first contact section 16 and above the second Contact section 18, a second recess of the encapsulation layer structure 24 is formed.
- a first recess of the encapsulation layer structure 24 is a first
- Contact area 32 exposed and in the second recess of the encapsulation layer structure 24 is a second
- the first contact region 32 serves for electrically contacting the first
- Contact section 16 and the second contact region 34 serves for electrically contacting the second contact section 18.
- encapsulation layer structure 24 is a
- Adhesive layer 36 is formed.
- the adhesive layer 36 comprises, for example, an adhesive, for example an adhesive, for example a laminating adhesive, a lacquer and / or a resin.
- a cover body 38 is formed over the adhesive layer 36.
- the adhesive layer 36 serves to fasten the cover body 38 to the encapsulation layer structure 24.
- the cover body 38 has, for example, glass and / or metal.
- the adhesive layer 36 for example, glass and / or metal.
- Cover body 38 may be formed substantially of glass and a thin metal layer, such as a metal, and / or a graphite layer, for example a
- Cover body 38 serves to protect the conventional
- cover body 38 may serve for distributing and / or dissipating heat, which in the conventional optoelectronic
- Component 1 is generated.
- the glass of the cover body 38 can serve as protection against external influences and the metal layer of the cover body 38 can be used for distributing and / or discharging during operation of the conventional
- the adhesive layer 36 may, for example, be applied in a patterned manner to the encapsulation layer structure 24. That the adhesive layer 36 is structured on the encapsulation Layer structure 24 is applied, for example, mean that the adhesive layer 36 already has a predetermined structure when applied directly. For example, the adhesive layer 36 can be applied in a structured manner by means of a dispensing or printing process.
- the conventional optoelectronic component 1 can be any conventional optoelectronic component 1.
- Contact area 32 and the second contact area 34 are exposed in a further method step, for example by means of an ablation process, for example by means of laser ablation, mechanical scratching or a
- the outer edges of the carrier 12 and the cover body 38 can be flush with each other
- the contact areas 32, 34 may be exposed via not shown contact recesses in the carrier 12 and / or the cover body 38.
- the conventional optoelectronic component 1 can be designed as a top emitter and / or bottom emitter. If the conventional optoelectronic component 1 is designed as a top emitter and bottom emitter, the conventional optoelectronic component 1 can be used as an optically transparent component, for example a transparent organic component
- Fig. 2 shows a detailed sectional view of a conventional layer structure of a conventional one
- the conventional optoelectronic component 1 has the carrier 12 and an active region above the carrier 12. Between the carrier 12 and the active region, a first, not shown, barrier layer, for example a first barrier thin layer, may be formed.
- the encapsulation layer structure 24 may serve as a second barrier layer
- the cover body 38 is arranged.
- the covering body 38 may be applied, for example, by means of an adhesive layer 36 on the encapsulation
- Layer structure 24 may be arranged. From the encapsulant layer structure 24, the adhesive layer 36 and the
- Cover body 38 is an encapsulation 40 of the conventional optoelectronic device 1 is formed.
- the active region is an electrically and / or optically active region.
- the active region is, for example, the region of the conventional optoelectronic component 1 in which electrical current flows for operation of the conventional optoelectronic component 1 and / or in which electromagnetic radiation is generated or absorbed.
- the organic functional layer structure 22 may include one, two or more functional layered structure units and one, two or more intermediate layers between them
- Layer structure units are formed, it can be generated in one of these layer structure units light of a different wavelength and / or color than in another of the layer structure units.
- the carrier 12 may be translucent or transparent.
- the carrier 12 serves as a carrier element for electronic Elements or layers, for example light-emitting elements.
- the carrier 12 may comprise or be formed, for example, glass, quartz, and / or a semiconductor material or any other suitable material.
- the carrier 12 may be a plastic film or a
- Laminate with one or more plastic films Laminate with one or more plastic films
- the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the plastic may have one or more polyolefins. Furthermore, the
- the carrier 12 may comprise or be formed from a metal, for example copper, silver, gold, platinum, iron, for example a metal compound,
- the carrier 12 may be formed as a metal foil or metal-coated foil.
- the carrier 12 may be part of or form part of a mirror structure.
- the carrier 12 may have a mechanically rigid region and / or a mechanically flexible region or be formed in such a way.
- the first electrode 20 may be formed as an anode or as a cathode.
- the ers e electrode 20 may be translucent or transparent.
- the first electrode 20 has an electrically conductive material, for example metal and / or a conductive transparent oxide
- TCO transparent conductive oxide
- the first electrode 20 may comprise a layer stack of a combination of a layer of a metal on a layer of a TCO, or vice versa.
- An example is a silver layer deposited on an indium-tin oxide (ITO) layer (Ag on ITO) or ITO-Ag-ITO multilayers.
- ITO indium-tin oxide
- metal for example, Ag, Pt, Au, Mg, Al, Ba, In, Ca, Sm or Li, as well as compounds, combinations or
- Transparent conductive oxides are transparent, conductive materials, for example metal oxides, such as, for example, zinc oxide, tin oxide, cadmium oxide, titanium oxide, indium oxide, or indium tin oxide (ITO).
- metal oxides such as, for example, zinc oxide, tin oxide, cadmium oxide, titanium oxide, indium oxide, or indium tin oxide (ITO).
- binary metal oxygen compounds such as ZnO, SnO 2, or In 2 O 3
- ternary metal oxygen compounds such as AIZnO, Zn 2 SnO 4, Cd SnO 3, Zn SnO 3, Mgln 204,
- the first electrode 20 may comprise, as an alternative or in addition to the materials mentioned: networks of metallic nanowires and particles, for example of Ag, networks of carbon nanotubes, graphene particles and layers and / or networks of semiconducting nanowires. Alternatively or additionally, the first electrode 20 may be one of the materials mentioned: networks of metallic nanowires and particles, for example of Ag, networks of carbon nanotubes, graphene particles and layers and / or networks of semiconducting nanowires. Alternatively or additionally, the first electrode 20 may be one of the
- the first electrode 20 may comprise electrically conductive polymers or transition metal oxides.
- the first electrode 20 may, for example, have a layer thickness in a range of 10 nm to 500 nm,
- nm for example, from less than 25 nm to 250 nm, for example from 50 nm to 100 nm.
- the first electrode 20 may be a first electrical
- the first electrical potential may be provided by a power source (not shown), such as a power source or a power source
- Alterna iv can be the first electric
- the first electrical potential may be, for example, the
- Ground potential or another predetermined reference potential is ground potential or another predetermined reference potential.
- the organic functional layer structure 22 may include a hole injection layer, a hole transport layer, a
- the Lochinj ekions slaughter can on or above the first
- Electrode 20 may be formed.
- the hole injection layer may be one or more of the following materials on iron or formed therefrom: HATC, Cu (I) FBz, OOx, Ox, VOx, ReOx, F4-TCNQ, NDP-2, NDP-9, Bi (III ) pFBz, FISCuPC; NPB ( ⁇ , ⁇ '-bis (naphthalen-1-yl) -N, 1 -bis (phenyl) -benzidine); beta- PB ⁇ , ⁇ '-bis (naphthalene-2-yl) - ⁇ , ⁇ '-bis (phenyl) benzidine) TPD ( ⁇ , ⁇ '-bis (3-methylphenyl) - ⁇ , ⁇ '-bis ( phenyl) benzidine); Spiro TPD ( ⁇ , ⁇ '-bis (3-methylphenyl) - ⁇ , ⁇ '-bis (phenyl) benzidine);
- Spiro-NPB ( ⁇ , ⁇ '-bis (naphthalen-1-yl) - ⁇ , ⁇ '-bis (phenyl) -spiro); DMFL-TPD ⁇ , ⁇ '-bis (3-methylphenyl) - ⁇ , ⁇ '-bis (phenyl) -9,9-dimethyl-fluorene), ⁇ D FL-NPB ( ⁇ , ⁇ '-bis (naphthalene) l-yl) - ⁇ , ⁇ '-bis (phenyl) -9,9-dimethyl-fluorene); DPFL-TPD ( ⁇ , ⁇ '-bis (3-methylphenyl) -N, N'-bis (phenyl) -9, 9-dipheny1-fluorene); DPFL-NPB (N, '- bis (naphthalen-1-yl) -N, 1 -bis (phenyl) -9, 9-diphenyl-fluorene); Spiro-TA
- the hole injection layer may have a layer thickness in a range of about 10 nm to about 1000 nm, for example in a range of about 30 nm to about 300 nm, for example in a range of about 50 nm to about 200 nm.
- Hole transport layer may comprise or be formed from one or more of the following materials: PB (N, N 1 -bis (naphthalen-1-yl) -N, N '-bis (phenyl) -benzidine); beta-NPB N, N'-bis (naphthalen-2-yl) -N, 1 -bis (phenyl) -benzidine); T D (N, 1 -bis (3-methylphenyl) -N, N 1 -bis (phenyl) -benzidine); Spiro TPD ( ⁇ , ⁇ '-bis (3-methylphenyl) - ⁇ , ⁇ '-bis (phenyl) benzidine); Spiro-NPB ( ⁇ , ⁇ '-bis (naphthalen-1-yl) - ⁇ , ⁇ '-bis (phenyl) -spiro); DMFL-TPD N, N'-bis (3-methylphenyl) - ⁇ , ⁇ '-bis (phenyl) -9,9-dimethyl-
- the hole transport layer may have a layer thickness in a range of about 5 nm to about 50 nm,
- the one or more emitter layers may be formed, for example with fluorescent and / or phosphorescent emitters.
- the emitter layer may be organic polymers, organic
- the emitter layer may include or be formed from one or more of the following materials: organic or organometallic
- Iridium complexes such as blue phosphorescent FIrPic
- the emitter materials may suitably be in one
- Embedded matrix material for example, a technical ceramic or a polymer, such as an epoxy, or a silicone.
- the first emitter layer may have a layer thickness on iron in a range of about 5 nm to about 50 nm,
- the emitter layer may have single-color or different-colored (for example blue and yellow or blue, green and red) emitting emitter materials.
- the emitter layer may have single-color or different-colored (for example blue and yellow or blue, green and red) emitting emitter materials.
- Emitter layer have multiple sub-layers that emit light of different colors. By mixing the different colors, the emission of light can result in a white color impression.
- it can also be provided to arrange a converter material in the beam path of the primary emission generated by these layers, which at least partially absorbs the primary radiation and emits secondary radiation of a different wavelength, so that from a (not yet white) primary radiation by the combination of primary radiation and secondary Radiation produces a white color impression.
- the electron transport layer may comprise or be formed from one or more of the following materials: NET-18; 2, 2 ', 2, 11 - (1,3, 5-benzinetriyl) -tris (1-phenyl-1-H-benzimidazoles); 2- (biphenylyl) -5- (4-tert-butylphenyl) -1,3,4-oxadiazoles, 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP); 8-hydroxyquinolinolato-lithium, 4- (naphthalen-1-yl) -3,5-diphenyl-4H-1,2,4-triazoles 1,3-bis [2- (2,2'-bipyridine-6-yl ) -1,3,4-oxadiazo-5-yl] enzene; 4,7-diphenyl-1,10-phenanthroline (BPhen); 3- (4-biphenylyl) -4-pheny
- the electron transport layer may have a layer thickness
- the electron transport layer in a range of about 5 nm to about 50 nm, for example in a range of about 10 nm to about 30 nm, for example about 20 nm.
- Electron injection layer may be formed.
- An electron injection layer may include or be formed from one or more of the following materials: NDN-26, MgAg, Cs 2 CO 3, Cs 3 PO 4, Na, Ca, K, Mg, Cs, Li, LiF; 2,2 ', 2 "- (1,3,5-benzene triyl) tris (1-phenyl-1H-benzimidazole); 2- (4-biphenylyl) -5- (4-tert-butylphenyl) -1,3 , oxadiazoles, 2, 9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP), 8-hydroxyquinolinolato-lithium, 4- (naphthalen-1-yl) -3,5-diphenyl-4H-1 1,2,4-triazoles; 1,3-bis [2- (2,2'-bipyridine-6-yl) -1,3,4-oxadiazo-5-yl] benzene; 4,7-diphenyl-1,10-phenan
- the electron injection beam may have a layer thickness in a range of about 5 nra to about 200 nm, for example in a range of about 20 nm to about 50 nm, for example about 30 nm.
- organic functional layer structure 22 with two or more organic functional layer structure units corresponding intermediate layers between the organic functional layer structure units
- Layered structure units may each be formed individually according to one embodiment of the above-described organic functional layered structure 22.
- the intermediate layer may be formed as an intermediate electrode.
- the intermediate electrode may be electrically connected to an external voltage source.
- the external voltage source can be at the intermediate electrode
- the intermediate electrode can also have no external electrical connection to iron
- the intermediate electrode having a floating electrical potential.
- the organic functional layer structure unit may, for example, have a layer thickness of at most approximately 3 ⁇ m, for example a layer thickness of at most approximately 1 ⁇ m, for example a layer thickness of approximately approximately 300 nm.
- the conventional optoelectronic component 1 may optionally have further functional layers, for example arranged on it or over one or more
- Electron transport layer The other functional
- Layers can be internal or external, for example.
- Component 1 can further improve.
- the second electrode 23 may be formed according to any one of the configurations of the first electrode 20, wherein the first electrode 20 and the second electrode 23 are the same or
- the material of the second electrode 23 and thus the second electrode 23 may have a first hardness in a range, for example, from 20 to 60 HV10,
- HV10 for example, from 27 to 45 HV10, for example from 30 to 35 HV10.
- the second electrode 23 may be formed as an anode or as a cathode.
- the second electrode 23 may have a second electrical connection on iron, to the second
- the second electrical potential can be applied.
- the second electrical potential may be the same or different
- Power source can be provided as the first electrical potential.
- the second electrical potential can be provided as the first electrical potential.
- the second electrical potential may, for example, have a value such that the difference to the first electrical potential has a value in a range from approximately 1.5 V to approximately 20 V, for example a value in a range from approximately 2.5 V to approximately Mr
- 15V for example, a value in a range of about 3V to about 12V.
- the encapsulation layer structure 24 may also be referred to as
- the encapsulating layer structure 24 may be formed as a translucent or transparent layer.
- Encapsulation layer structure 24 is formed so as to be of materials that are the conventional optoelectronic
- Damage component 1 for example water, Oxygen or solvent, not or at most can be penetrated at very low levels.
- Encapsulation layer structure 24 may be considered a single one
- Layer or be formed as a layer stack.
- the encapsulant layer structure 24 may include or be formed from: alumina, zinc oxide, zirconia, titania, hafnia, tantalum oxide, lanthania,
- the encapsulant layer structure 24 may have a third hardness in a range
- HV 10 for example, from 27 to 10,000 HV 10, for example from 60 to 5,000 HV10, for example from 100 to 5,000 HV10.
- the encapsulant layer structure 24 may have a layer thickness of about 0.1 nm (one atomic layer) to about 1000 nm, for example, a layer thickness of about 10 nm to about 100 nm, for example about 40 nm.
- the encapsulant layer structure 24 may comprise a high refractive index material, such as one or more
- Material (ies) with a high refractive index for example with a refractive index of 1, 5 to 3, for example, from 1.7 to 2.5, for example, from 1, 8 to 2.
- the encapsulation layer structure 24 may have a water permeability of at most 10 "5 g / m 2 / d or less.
- the first barrier layer may be formed on the carrier 12 corresponding to a configuration of the encapsulation layer structure 24.
- the encapsulation layer structure 24 can be formed, for example, by means of a suitable deposition method, for example by means of an atomic layer deposition method (atomic layer deposition (ALD)), for example of a plasma-assisted Atomic Layer Separation Process (Plasma Enhanced Atoracic Layer Deposition (PEALD) ⁇ or a plasmaless
- atomic layer deposition atomic layer deposition
- Plasma Enhanced Atoracic Layer Deposition PEALD
- CVD plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-assisted plasma-
- PECVD Plasma Enhanced Chemical Vapor Deposition
- the adhesive layer 36 may include, for example, adhesive and / or paint, by means of which the cover body 38, for example, arranged on the encapsulation layer structure 24, for example glued, is.
- Adhesive layer 36 may be transparent or translucent.
- the adhesive layer 36 may include, for example, particles on iron that scatter electromagnetic radiation, such as light scattering particles.
- the adhesive layer 36 can act as a scattering layer and can lead to an improvement in the color angle distortion and the coupling-out efficiency.
- light-scattering particles dielectric
- Metal oxide for example, silicon oxide (SiO 2), zinc oxide (ZnO), zirconium oxide (ZrO 2), indium tin oxide (ITO) or indium zinc oxide (IZO), gallium oxide (Ga20x) alumina, or Ti anoxide.
- Other particles may also be suitable provided they have a refractive index that is different from the effective refractive index of the matrix of the adhesive layer 36
- the adhesive layer 36 may have a layer thickness of greater than 1 ⁇ , for example, a layer thickness of several ⁇ , for example, up to 50 ⁇ . In various embodiments, the adhesive may be a lamination adhesive.
- the adhesive layer 36 may have a refractive index which is smaller than the refractive index of the cover body 38.
- the Haf middle layer 36 may, for example, a
- the Haf middle layer 36 can j edoch but also one
- functional layer structure 22 for example in a range of about 1.6 to 2.5, for example from 1.7 to about 2.0.
- the active area On or above the active area may be a so-called
- Gettering layer or getter structure i. a laterally structured getter layer (not shown) may be arranged.
- the getter layer can be translucent, transparent or opaque.
- the getter layer may include or be formed from a material that includes fabrics
- a getter layer may include or be formed from a zeolite derivative.
- the getter layer may have a layer thickness of greater than about 1 ⁇ , for example, a layer thickness of several ⁇ .
- the getter layer may include a lamination adhesive or be embedded in the adhesive layer 36.
- the covering body 38 may be formed, for example, by a glass body, a metal foil or a sealed plastic foil covering body.
- the cover body 38 can For example, by means of a frit bonding (glass frit bonding / glass soldering / seal glass bonding) by means of a conventional glass solder in the geometric
- Component 1 can be arranged on the encapsulation layer structure 24 or the active region.
- the covering body 38 can be part of a cavity encapsulation, for example, wherein optionally the getter layer or getter structure can be arranged in the corresponding cavity.
- the cover body 38 may, for example, a refractive index (for example, at a wavelength of 633 nm), for example, 1, 3 to 3, for example, from 1.4 to 2, for example, from 1, 5 to 1, 8 on iron.
- Fig. FIG. 3 shows the conventional layer structure according to FIG. 2, wherein in the conventional layer structure a first
- Sturgeon particles 42 and a second interfering particles 44 are arranged.
- the spurious particles 42, 44 are undesirable during the process of fabricating the conventional optoelectronic device 1 i
- the first interference particle 42 is partially disposed in the encapsulation layer structure 24, penetrates the second
- Electrode 23 and projects into the organic functional layer structure 22.
- the second interference particle 44 is
- the second electrode 23 penetrates the organic functional layer structure 22, and is at least partially disposed in or at least in contact with the first electrode 20.
- the first interference particle 42 leads to a local damage to the second electrode 23, the encapsulation layer structure 24 and the organic radioactive layer structure 22.
- the second interference particle 44 shorts the first electrode 20 to the second electrode 23 and can thereby at least cause a partial failure or even a spontaneous failure of the conventional optoelectronic component 1.
- an order of magnitude of the spurious particles 42, 44 corresponds to the order of magnitude of the thickness of the second electrode 23 and / or of the order of magnitude of the thickness of the encapsulation layer structure 24, for example in the case of spurious particles 42, 40 with external dimensions in a range, for example, of 50 nm to 5 ⁇ m, for example, from lOOnm to 2 ⁇ , the
- interference particles 42, 44 are pressed through the second electrode 23 when pressure is applied externally.
- the spurious particles 42, 40 can also be forced through the organic functional layer structure 22 as far as the opposing first electrode 20, which can result in a spontaneous failure.
- Embodiment of an optoelectronic component The layer structure and the optoelectronic component can, for example, to a large extent correspond to the conventional layer structure explained in the foregoing or, as the case may be, in FIG.
- the layer structure according to FIG. 4 has a particle trap layer 50.
- Particulate layer 50 is formed between the second electrode 23 and the encapsulation 40, in particular the encapsulation layer structure 24.
- The. Particle trap layer 50 may also be referred to as a first particle trap layer.
- the particulate trap layer 50 abuts the second electrode, i. she has a physical contact with this or shares a common interface with this.
- Encapsulation 40 adjoins the particle trap layer 50.
- the encapsulation layer structure 24 adjoins the particle trapping layer 50 or, if the encapsulation layer structure 24 is not provided, adjoins the particle trapping layer 50
- the cover body 38 by means of
- Adhesive layer 36 is laminated on the particle trap layer 50 and / or the encapsulation layer structure 24,
- the particle trap layer 50 and in particular the material of the particle trap layer 50 have a second hardness that is less than the first hardness of the second electrode 23 and the third hardness of the encapsulation layer structure 24,
- the second hardness can a hardness value, for example, between 1 and 59 HV10, for example
- the third hardness may correspond to a hardness value, for example between 27 and 10,000 HV10, for example between 60 and 5,000 HV10, for example between 100 and 5000 HV10.
- the second hardness of the particle trap layer 50 may be less than a fourth hardness of the organic functional layer structure 22, for example, less than a fourth hardness of one
- the particle trap layer 50 may comprise, for example, metal or plastic.
- the particle trap layer 50 can be any material or plastic.
- the particle trap layer 50 can be any material or plastic.
- the particulate trapping layer 50 may comprise, for example, a polymer.
- the particle trapping layer 50 may comprise, for example, a foam, for example a nanofoam, for example a carbon nanofoam or a metal nanofoam, an airgel, for example an Fe airgel, a nanocomposite, a paste or a jelly.
- a nanofoam for example, a carbon nanofoam or a metal nanofoam, an airgel, for example an Fe airgel, a nanocomposite, a paste or a jelly.
- a carbon nanofoam for example aerographite, or a metal nanofoam, for example have a porosity of less than 50% and / or the
- Magnitude of the pores can be in the manometer and / or
- Nanofoam can be produced, for example, from microemulsions and / or nanocomposites (silicates), for example a polyurethane nanofoam.
- silicates for example a polyurethane nanofoam.
- an airgel may consist of up to 99.8% pores.
- a silicate airgel can be made in a sol-gel process.
- the particulate trap layer 50 may be, for example
- Hybrid polymers such as a Si-O-Si network, and / or
- the particle size layer 50 may be colloids on iron.
- Colloids may be in the form of a paste or jelly, for example.
- Possible material combinations of the materials of the second electrode 23, for example the cathode of the corresponding optoelectronic component, and the particle trap layer 50 are, for example
- Electrode 23 and a tin / antimony alloy (hardness 23 HV10) for the Pax'tikelf ng Anlagen 50 which, for example, at temperatures below 13 ° C, for example, during storage and / or transport of the corresponding optoelectronic device, the tin plague can be avoided and less problems may arise due to heat generation during operation of the corresponding optoelectronic device, or
- a silver / magnesium combination for the second electrode 23 and tin or a tin / antimony alloy for the particle trap layer 50 a silver / magnesium combination for the second electrode 23 and tin or a tin / antimony alloy for the particle trap layer 50.
- the particle trap layer 50 is preferably formed so that its thickness is greater than a maximum expected Interference particle size, for example, the Störpizer 42, 44.
- the maximum expected Störp Stahl pret can be
- the maximum particle size does not depend on a maximum value dependent on the clean room quality
- the thickness of the particle trap layer 50 can then be specified. If
- the thickness of the particle trap layer 50 can be
- the particle-catching layer 50 may be formed, for example, electrically conductive or electrically insulating and have corresponding materials.
- the thickness of the particle-trapping layer 50 can be in a range, for example, between 100 nm and 5 ⁇ , for example between 500 nm and 2 ⁇ .
- the hard second electrode 23 and the hard encapsulation layer structure 24 and the comparatively relatively soft particle trapping layer 50 cause the interference particles 42, 44 to be disposed between the second electrode 23 and the second
- Encapsulation layer structure 24 is not the second
- Electrode 23 or through the second electrode 23 in or through the organic functional layer structure 22 we pressed, but are caught by the particle trap layer 50 and i remain this, even if a mechanical pressure from the outside to the corresponding optoelectronic
- the particle trap layer 50 is thus softer than the second electrode 23 and the
- Electrode 23 and the encapsulation layer structure 24 may consist of any layers or layer structures that must meet only the specific hardness conditions and which must fulfill the corresponding functions, such as, for example, high electrical conductivity in the second electrode 23 or encapsulation effect in the encapsulation layer structure 24, so that the spurious particles 42, 44 are pressed into the particle-trapping layer 50.
- the material of the particle trap layer 50 can be chosen so that the o table properties of the corresponding optoelectronic device are not or at least only negligible or changed only in the desired manner.
- the Pumblefangschxcht 50 may, for example, structured, so inhomogeneous, or not structured, so be homogeneous.
- the particle trap layer 50 may be, for example, with or without light-influencing
- the light-influencing constituents may be, for example, nanoparticles or coupling-out structures.
- Particle trapping layer 50 may be hydrophilic, hydrophobic, amphilic, for example.
- the corresponding optoelectronic component can have a carrier, not shown in FIG. 4, which can correspond, for example, to the carrier 12 explained above
- optoelectronic component may be transparent or non-transparent and / or as a top and / or bottom emitter
- a further particle trap layer 52 may be formed over the encapsulation layer structure 24.
- the further particle trap layer 52 can also be used as the second
- Particle trapping layer are called. The others
- Particle trap layer 52 may have a fifth hardness.
- the fifth hardness may be less than the first and / or third hardness.
- the fifth hardness may be equal to or approximately equal to the second hardness.
- the further particle trap layer 52 may be formed according to an embodiment of the particle trap layer 50.
- the further particle trap layer 52 may be the same as or different than the particle trap layer 50
- FIG. 5 shows an embodiment of an optoelectronic component 10 which, for example, may have the layer structure according to FIG.
- the particle trap layer 50 is arranged exclusively over the second electrode 23 in FIG.
- the encapsulation layer structure 24 adjoins above the particle trap layer 50
- Particle trapping layer 50 to the particle trap layer 50 and laterally adjacent to the second electrode 23 and the organic functional layer structure 22 to the second electrode 23 and the organic functional layer structure 22. Furthermore, everywhere between the organic functional
- Layer structure 22 and the particle trap layer 50, the second electrode 23 is formed. Alternatively, it can be
- Layer structure 22 may be free of the second electrode 23 and the particle trap layer 50 may at least in
- Layer structure 22 may be formed.
- Fig. 6 shows an embodiment of an optoelectronic component 10, for example, largely in the
- the particle trap layer 50 is formed above the second electrode 23 and laterally adjacent to the second electrode 23 and the organic functional layer structure 22.
- the particle trap layer 50 can thus trap not only second interference particles 44, which are arranged above the second electrode 23 in FIG. 6, but also first interference particles 42, which are arranged laterally next to the second electrode 23 and / or the organic functional layer structure 22.
- the second electrode 23 may be reformed by means of the particle trap layer 50.
- Particle trap layer 50 and are not pressed into the organic functional layer structure 22.
- Fig. 7 shows a flow chart of an embodiment of a method for producing an optoelectronic component, for example the optoelectronic component 10 explained above.
- a carrier is provided,
- a first electrode is formed above the support, for example the first electrode 20 explained above.
- an organic functional layer structure is formed over the first electrode, for example the organic functional layer structure 22 explained above.
- a second electrode is formed over the organic functional layer structure 22, for example the second one explained above
- a particle trap layer is formed over the second electrode, for example, that in FIG.
- Particulate trap layer 50 can optionally be formed with the same mask with which the second electrode 23
- the mask may optionally be during the Step S4 and step S6 and remain unchanged between these steps, so that no interference particles 42, 44 between the second electrode 24 and the
- Particle trap layer 50 can get. This is
- the mask can also be called
- Shadow mask can be called.
- Particle ang harsh 50 formed, for example, in the
- the encapsulant layer structure 24 may be formed over the particulate trapping layer 50, for example
- Cover body 38 may for example by means of
- Adhesive layer 36 are fixed to the encapsulation layer structure 24. The method of forming the
- Partial catch layer 50 depends on the material of the
- Particle trap layer 50 from.
- the PartikeIfang Anlagen 50 for example, by means of printing, such as screen printing, knife or ink jet printing, or in a
- Separation method for example by means of ALD or CVD, or formed by sputtering, if the material of the particle trap layer 50 is suitable for the corresponding method.
- the indication is not limited to the ones indicated
- one, two or more functional sub-layers may be formed in the layer structure of the optoelectronic component 10, which may contribute, for example, to improving an efficiency, for example a coupling-out efficiency, and / or influencing a color or a color temperature of the optoelectronic component 10.
- outcoupling structures may be arranged and / or formed in or on the carrier 12 and / or in or on the first electrode layer 15.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
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DE112015001031.9T DE112015001031B4 (de) | 2014-02-27 | 2015-02-25 | Optoelektronisches Bauelement und Verfahren zum Herstellen eines optoelektronischen Bauelements |
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DE102014102569.5A DE102014102569A1 (de) | 2014-02-27 | 2014-02-27 | Optoelektronisches Bauelement und Verfahren zum Herstellen eines optoelektronischen Bauelements |
DE102014102569.5 | 2014-02-27 |
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WO2015128368A1 true WO2015128368A1 (de) | 2015-09-03 |
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PCT/EP2015/053913 WO2015128368A1 (de) | 2014-02-27 | 2015-02-25 | Optoelektronisches bauelement und verfahren zum herstellen eines optoelektronischen bauelements |
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WO (1) | WO2015128368A1 (de) |
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DE102015116713A1 (de) * | 2015-10-01 | 2017-04-06 | Osram Opto Semiconductors Gmbh | Anordnung mit einem optoelektronischen Bauelement und einer Schutzschicht aus Aerogel |
Citations (4)
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---|---|---|---|---|
US20070132381A1 (en) * | 2005-12-08 | 2007-06-14 | Seiko Epson Corporation | Emissive device, process for producing emissive device, and electronic apparatus |
US20070278950A1 (en) * | 2006-06-05 | 2007-12-06 | Au Optronics Corp. | Organic electroluminescence device and organic electroluminescence panel using the same |
US20130126932A1 (en) * | 2011-11-21 | 2013-05-23 | Industrial Technology Research Institute | Package of environmental sensitive electronic element |
DE102013109646A1 (de) * | 2013-09-04 | 2015-03-05 | Osram Opto Semiconductors Gmbh | Organisches optoelektronisches Bauelement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102011079160B4 (de) * | 2011-07-14 | 2023-05-17 | Osram Oled Gmbh | Verkapselungsstruktur für ein optoelektronisches bauelement und verfahren zum verkapseln eines optoelektronischen bauelements |
KR20130106731A (ko) * | 2012-03-20 | 2013-09-30 | 삼성전자주식회사 | 디스플레이 패널 및 이를 구비하는 디스플레이 장치 |
DE102012214325B4 (de) * | 2012-08-10 | 2017-06-08 | Osram Oled Gmbh | Verfahren zum Herstellen eines optoelektronischen Bauelementes und Verfahren zum Strukturieren eines organischen, optoelektronischen Bauelementes |
-
2014
- 2014-02-27 DE DE102014102569.5A patent/DE102014102569A1/de not_active Withdrawn
-
2015
- 2015-02-25 DE DE112015001031.9T patent/DE112015001031B4/de active Active
- 2015-02-25 WO PCT/EP2015/053913 patent/WO2015128368A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070132381A1 (en) * | 2005-12-08 | 2007-06-14 | Seiko Epson Corporation | Emissive device, process for producing emissive device, and electronic apparatus |
US20070278950A1 (en) * | 2006-06-05 | 2007-12-06 | Au Optronics Corp. | Organic electroluminescence device and organic electroluminescence panel using the same |
US20130126932A1 (en) * | 2011-11-21 | 2013-05-23 | Industrial Technology Research Institute | Package of environmental sensitive electronic element |
DE102013109646A1 (de) * | 2013-09-04 | 2015-03-05 | Osram Opto Semiconductors Gmbh | Organisches optoelektronisches Bauelement |
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DE112015001031A5 (de) | 2016-12-01 |
DE112015001031B4 (de) | 2024-08-22 |
DE102014102569A1 (de) | 2015-08-27 |
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