WO2018060258A1 - Kontaktierung von optoelektronischen bauelementen - Google Patents
Kontaktierung von optoelektronischen bauelementen Download PDFInfo
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- WO2018060258A1 WO2018060258A1 PCT/EP2017/074514 EP2017074514W WO2018060258A1 WO 2018060258 A1 WO2018060258 A1 WO 2018060258A1 EP 2017074514 W EP2017074514 W EP 2017074514W WO 2018060258 A1 WO2018060258 A1 WO 2018060258A1
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- layer
- electrodes
- oled
- fiber composites
- applying
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
- H10K71/611—Forming conductive regions or layers, e.g. electrodes using printing deposition, e.g. ink jet printing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
-
- 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
- H10K50/805—Electrodes
-
- 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
- H10K50/805—Electrodes
- H10K50/81—Anodes
-
- 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
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/814—Anodes combined with auxiliary electrodes, e.g. ITO layer combined with metal lines
-
- 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
- H10K50/805—Electrodes
- H10K50/82—Cathodes
-
- 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
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/50—Photovoltaic [PV] devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- the invention describes a method for contacting electrodes with
- Conductor tracks by means of a conductive paste and / or adhesives coated conductive fiber composites. Furthermore, the invention relates to an electronic component whose electrodes have been connected by means of a conductive paste and / or adhesives coated conductive fiber composites.
- the invention relates to the field of electronic components.
- electronic components which have optoelectronic components.
- Optoelectronic components for example on an organic basis, or as hybrid components of organic and inorganic layers, are used in many technological fields.
- OLEDs Organic light-emitting diodes usually consist of a sandwich structure, wherein there are usually several layers of organic semiconducting materials between two electrodes.
- an OLED comprises one or more emitter layers EL, in which or in which electromagnetic radiation, preferably in the visible range, through a
- the electrons and electron holes are provided by a respective cathode or anode, wherein preferably so-called injection layers, by lowering the
- OLEDs therefore usually have electron or hole injection layers. Furthermore, OLEDs usually have hole transport layer (HTL) or electron transport layer (ETL), which promote the diffusion direction of the electrons and holes to the emitter layer. In OLEDs, these layers are composed of organic materials; in hybrid optoelectronic devices, the layers can be partly made of organic, partly inorganic, materials consist. For the purposes of the invention, the term OLED is preferably understood as meaning hybrid LEDs.
- OLEDs are characterized by a thin and flexible layer structure. For this reason, OLEDs are much more versatile than classic inorganic LEDs. Due to the
- organic solar cells are also characterized by a thin layer structure, which the
- an emitter layer there are one or more absorber layers as the photoactive layer.
- the absorber layer electron-hole pairs are generated as free charge carriers due to incident electromagnetic radiation.
- the further layers include electron and hole transport layers as well as electron extraction and hole extraction layers. These consist of organic materials or in the case of hybrids of organic and inorganic
- organic solar cells is also understood as meaning hybrid solar cells.
- organic solar cells Due to the thin layer structure, organic solar cells can be produced inexpensively and can be applied over a wide area to buildings as a film coating.
- the anode and cathode are connected via tracks or cables to a voltage source which supplies the electrical energy for the luminous power of the OLEDs provides.
- the electrodes are galvanically connected to a power consumer, such as a rechargeable battery, or just to an OLED.
- temperatures can cause damage to the optoelectronic components, that is to say the OLED or the organic solar cell. This is particularly the case when it comes to printed OLEDs or organic solar cells, as these are particularly sensitive to heat. Even printed conductors can be destroyed or dissolved by conventional soldering.
- An object of the invention was to provide a method and an apparatus which overcome the disadvantages of the prior art.
- the invention relates to an electronic component comprising at least one electrode and at least one printed conductor, wherein on the electrode there is a layer of a paste having a paste, by means of which a contacting to the printed conductor takes place.
- the electronic component preferably designates a
- the electronic component may include both optoelectronic thin-film components such as OLEDs or organic solar cells. But it may also be preferred that the electronic component other
- the electrode is preferably understood as meaning a conductive material which has to be connected to a conductor track for startup.
- the electrodes are preferably the anode or cathode.
- the cathode serves as an electron supplier in this preferred embodiment.
- the cathode preferably has a low surface resistance, in order to allow the most uniform possible injection or extraction of the electrons across the surface of the OLED or of the organic solar cell.
- the anode is preferably the
- Electron hole supplier and therefore preferably has a significantly higher work function than the cathode. Furthermore, it is preferred that the anode has a high
- the electrodes are preferably those leidayen contacts which are connected to the conductor tracks.
- conductor tracks are preferably strips produced from a conductive material, which preferably have a greater length than width and to
- Tracks have a small thickness of significantly less than 0.5 mm and can be produced for example by means of printing processes. But it may also be preferred that the contacting according to the invention takes place directly between two electrodes, wherein no additional conductor track is necessary or one
- Electrode of the conductor corresponds. It was completely surprising that with the aid of a conductive paste, preferably a silver paste, a copper paste, a carbon paste or a graphite paste, a stable and effective contacting of electrodes to the conductor tracks can be achieved.
- a paste is primarily a moldable, soft mass, a solid-liquid mixture (suspension), which has a high content of solids and is more impact resistant than flowable.
- the electrodes of the prior art have a too smooth surface structure to allow direct contact with printed conductors. Above all, a contacting means making an electrical contact or an electrical connection between the contacted elements so that electrons and / or electron holes can move between these elements and an electric current can flow.
- Surface preferably has an extent not only along two dimensions, as in a plane, but in three mutually orthogonal directions in space to provide a partially planar surface whose surface is enlarged and which has structures.
- bumps figuratively speaking, hills, valleys, peaks or other types of bumps on the electrode. This effectively increases the effective potential contact area of the electrode.
- the irregularities cause it to be strong when it comes into contact with a printed conductor, in particular with a printed printed circuit
- the electronic component is thus characterized by a simple construction with a low susceptibility to interference and increased stability. It is particularly robust, reliable and maintenance-free, mistakes can be eliminated, the quality can be raised. In addition, the effectiveness of the contact is increased, so that less energy must be used to move the carrier. While the contacting between electrodes and interconnects mediated by the paste capable of conducting paste can be used in a large number of different electronic circuits, the form of the contacting is particularly advantageous for sensitive optoelectronic components, such as, in particular, OLEDs or organic solar cells, since these are particularly sensitive to supplied heat and / or or pressures inherent in other contacting methods.
- the electronic component is characterized in that the electronic component is an organic light-emitting diode (OLED), comprising an anode, a cathode and a layer structure between the electrodes with at least one light-generating layer, and a
- OLED organic light-emitting diode
- Voltage source for operating the OLED comprises, wherein at the voltage source at least two tracks are connected, wherein the layer of conductive paste is present at the electrodes of the OLED and a contact to the
- the term OLED preferably includes the organic light-emitting diodes sufficiently known from the prior art, which are characterized by a layer structure comprising a light-generating layer between an anode and an electrode. To operate the OLED, it is necessary to connect them to a voltage source, with tracks as
- the charge carriers can be fed into the photoactive layer to produce visible light.
- Batteries, capacitors or even solar cells, preferably organic solar cells, can preferably be used as voltage sources.
- the invention preferably relates to an electronic component, wherein the electronic component comprises an organic solar cell, comprising an anode, a cathode and a layer structure between the electrodes with at least one light-absorbing layer and a power pickup, wherein at least two conductor tracks are connected to the power pickup, wherein the Layer of the conductive paste is present at the electrodes of the organic solar cell and provides a contact with the conductor tracks.
- the electronic component comprises an organic solar cell, comprising an anode, a cathode and a layer structure between the electrodes with at least one light-absorbing layer and a power pickup, wherein at least two conductor tracks are connected to the power pickup, wherein the Layer of the conductive paste is present at the electrodes of the organic solar cell and provides a contact with the conductor tracks.
- organic solar cell preferably includes the solar cells sufficiently known from the prior art, which are characterized by a layer structure of at least partially semiconducting organic materials and in particular an absorbing layer between an anode and an electrode.
- the term organic solar cell it is necessary to apply this to a power consumer, preferably with the aid of conductor tracks,
- Capacitors or batteries Components for storing the electrical energy, such as Capacitors or batteries are suitable, as well as electronic components that use the electrical energy directly for processes, such as OLEDs to generate light signals.
- Such an electronic component comprising an organic solar cell has a particularly high robustness and freedom from maintenance. This is especially true for solar cells that are exposed to wind and weather and in the
- the electronic component is an optoelectronic
- Component preferably an OLED or an organic solar cell comprises, which is connected via conductor tracks to a voltage source or a power consumer.
- the electronic component may preferably have additional electronic components such as switches, sensors and / or
- Control electronics have, whereby in this case an inventive
- the electronic component is characterized by a flat construction. That is, the thickness of the component is preferably significantly less than its length and / or width.
- the electronic component may have a thickness of less than 1 mm.
- An electronic component of such thickness can be produced particularly reliably and thus favorably.
- the component has a thickness of less than 0.3 mm, during which its length and width is several centimeters, so that a ratio of the thickness to the length or width of the component of more is given as 1: 10, more than 1: 50 or more than 1: 100 is preferred.
- Such a component contributes to the miniaturization of optoelectronic components. Due to the exceptional thinness, a special aesthetic effect can be achieved.
- the term optoelectronic component is preferably used to designate an OLED and / or an organic solar cell.
- the contacting of the electrodes of the optoelectronic component takes place with the aid of the conductive paste.
- this constitutes a particularly stable contacting, which is particularly well suited for pressure and temperature-sensitive optoelectronic components. While known contacts in the prior art high temperatures, as in
- Soldering, or long drying times, as required for FPC cables, can be dispensed with these disadvantages by contacting the invention with the help of conductive pastes.
- the preferred electronic components are thus characterized by a particularly low error rate.
- the contacting with the aid of the conductive pastes ensures a long-lasting and stable connection, so that the optoelectronic components in the circuit have a long service life and also withstand high loads, such as, for example, by bending of the component.
- the electronic component is characterized in that the conductive paste is selected from a group comprising silver pastes, carbon pastes and / or graphite pastes. These materials are particularly suitable for effecting stable adhesion between the electrodes and the tracks. Furthermore, the properties of the conductive paste is selected from a group comprising silver pastes, carbon pastes and / or graphite pastes. These materials are particularly suitable for effecting stable adhesion between the electrodes and the tracks. Furthermore, the properties of the conductive paste is selected from a group comprising silver pastes, carbon pastes and / or graphite pastes. These materials are particularly suitable for effecting stable adhesion between the electrodes and the tracks. Furthermore, the properties of the conductive paste is selected from a group comprising silver pastes, carbon pastes and / or graphite pastes. These materials are particularly suitable for effecting stable adhesion between the electrodes and the tracks. Furthermore, the properties of the conductive paste is selected from a group comprising silver pastes, carbon pastes and / or graphite pastes. These
- the aforementioned materials can be processed reliably and thus ensure a saving of time and work steps.
- the raw materials required for the materials are relatively easy to procure or can be recycled.
- the conductor tracks should comprise silver, for example, it is possible to realize a particularly effective contact with silver paste as a conductive paste.
- the energy levels of the contacting are made to match those of the thin film devices, thereby increasing the efficiency.
- a higher yield for example, of generated light in the case of OLEDs, or of electricity in the case of organic solar cells, can be achieved
- the electronic component is characterized in that a layer comprising conductive fiber composites is present between the conductive paste and the electrodes.
- Conductive fiber composites preferably denote composites comprising a metal and / or a
- a fiber composite primarily comprises two major components, a bedding matrix and reinforcing fibers. By mutual interactions of the two components of this material receives higher quality properties than each of the two individually involved components alone, in particular with respect to the mechanical properties.
- Both the matrix and the fibers may be made of conductive materials, for example metals or graphitic carbons.
- the stability of the contact between the electrodes and the conductor tracks can be significantly increased.
- the fiber composites can compensate excellent shear and compressive forces due to their structuring. Thus, it is ensured that the contacting of the electronic component is not damaged even with very high mechanical stresses. This is of particular importance when using the electronic components, for example, for products that are worn by consumers on the body and in the
- the contact area between the electrode and fiber composites can be increased. This results in a synergistic effect, the electrical conductivity is increased to an extent which is stronger than by the electrical properties of the paste and the
- Fiber composite was expected in itself. Likewise, the
- the electronic component is characterized in that the fiber composites are selected from a group comprising nickel-copper (Ni-Cu) and / or silver-nickel-copper (Ag-Ni-Cu).
- Ni-Cu nickel-copper
- Ag-Ni-Cu silver-nickel-copper
- Fiber composites of these materials have energy levels that are particularly well matched to a typically thin film device to be contacted (eg, an OLED). Thus, a particularly good conductivity over the contacting is guaranteed away and the contact contributes to
- the electronic component is characterized in that the fiber composites are coated with conductive adhesives.
- conductive adhesives are preferably materials which in particular have high adhesiveness to materials comprising metals and, on the other hand, have sufficient conductivity for electrical current.
- the person skilled in the art is familiar with a series of conductive adhesives which are preferably usable. These include adhesives and resins, especially those based on acrylic, to which electrically conductive inorganic or organic particles, such as, for example, silver, gold, palladium, nickel, graphite, copper, have been added.
- these adhesives are conductive in all three dimensions (XYZ) or only along the Thickness of the adhesive tape (z) conductive.
- XYZ all three dimensions
- z Thickness of the adhesive tape
- conductive adhesive tapes are used, which are designed for the grounding of electronic components. These are, for example, conductive adhesive tapes of the manufacturer TESA with the product numbers 60260, 60262, 60272, 60252, 60251, 60234, 60233, 8455, 8456, 60255, 60256, 60257, 60253, 60254, 60274, 60258, 60214, 60246, 60215, 60248 , 60249, 60216, 60217 and 60218 or conductive tapes of the manufacturer 3M with the
- the application of the conductive paste surprisingly increases the conductivity of the conductive adhesive-coated conductive fiber composites, preferably the conductive adhesive tapes, and thus improves the electrical performance
- the fiber composites coated with conductive adhesives can mediate stable contact even without the use of a conductive paste.
- conductive adhesive tapes for the contacting of electrodes with printed conductors, in particular of optoelectronic components is a surprising finding.
- the conductive adhesive tapes are used only for grounding electronic components or circuit boards. The possibility of a sophisticated contacting, in particular of optoelectronic components, has not been suggested.
- the invention relates to an electronic component comprising at least one electrode and at least one printed conductor, wherein a contacting takes place between the at least one electrode and the at least one printed conductor by means of a layer of conductive fiber composites which are coated with conductive adhesives.
- a component is particularly simple, on the one hand with regard to the manufacturing process, which saves costs, on the other hand in the structure, whereby the reliability and maintenance-free is increased.
- Such a component is also very versatile.
- the invention also relates to an electronic component, wherein the electronic component comprises an organic light-emitting diode (OLED), which comprises an anode, a cathode and a layer structure between the electrodes with at least one light-generating layer, and a voltage source for operating the OLED wherein at least two conductor tracks are connected to the voltage source, wherein a contacting between the electrodes of the OLED and the conductor tracks takes place by means of a layer of conductive fiber composites, which is coated with conductive adhesives.
- OLED organic light-emitting diode
- the electronic component comprises an organic light-emitting diode (OLED), which comprises an anode, a cathode and a layer structure between the electrodes with at least one light-generating layer, and a voltage source for operating the OLED wherein at least two conductor tracks are connected to the voltage source, wherein a contacting between the electrodes of the OLED and the conductor tracks takes place by means of a layer of conductive fiber composites, which is
- the invention also relates to an electronic component, wherein the electronic component comprises an organic solar cell, comprising an anode, a cathode and a layer structure between the
- Power pickup comprises, wherein at least two tracks are connected to the power consumer, wherein a contacting between the electrodes of the organic solar cell and the tracks is carried out by means of a layer of conductive fiber composites, which is coated with conductive adhesives.
- a contacting between the electrodes of the organic solar cell and the tracks is carried out by means of a layer of conductive fiber composites, which is coated with conductive adhesives.
- the invention relates to an electronic component comprising at least two electrodes, wherein a contacting between the two electrodes by means of a layer of conductive fiber composites, which is coated with conductive adhesives.
- the layer of conductive fiber composites, which is coated with conductive adhesive acts as a conductive bridging, so that a separate trace is not necessary.
- This embodiment can be advantageously used, for example, in the optoelectronic components, such as e.g.
- OLEDs are placed side by side and contacted directly via conductive adhesive tapes.
- one electrode of a first OLED is preferably galvanically connected to one electrode of a second by a conductive adhesive tape.
- the fiber composites include e.g. preferably nickel-copper (Ni-Cu) and / or silver-nickel-copper (Ag-Ni-Cu). These have a particularly high conductivity and thus increase the performance of the component.
- the commercially available conductive adhesive tapes can be used. As a result, the production can be cheapened.
- the invention further relates to a method for contacting an electrode with a conductor track
- This method allows a stable contacting of an electrode with a
- the method can advantageously be used preferably for contacting sensitive optoelectronic components, such as an OLED and / or an organic solar cell.
- sensitive optoelectronic components such as an OLED and / or an organic solar cell.
- the process results in a particularly simple and robust
- the invention thus relates to a
- an OLED comprising an anode, a cathode and a
- the invention relates to a method for contacting an organic solar cell
- an organic solar cell comprising an anode, a cathode and a layer structure between the electrodes with an absorbing layer
- a contact can also be made without the conductive paste, i. only with the help of the adhesives coated fiber composites.
- Such a structure is particularly simple and saves material and work stages, thus costs in the production.
- the invention relates to a method for contacting an electrode with a conductor track
- Adhesives coated allows the construction of a stable galvanic connection and is preferably used for optoelectronic devices.
- the contacts with fiber composites have proven to be surprisingly robust. Even high mechanical loads can be caused by the
- the invention relates to a method for contacting an OLED
- an OLED comprising an anode, a cathode and a
- the process has a particularly powerful OLED result. This can be explained in particular by the high-performance, large-area contact, which utilizes the surface of the contacting particularly effectively and therefore increases the conductivity.
- the invention relates to a method for contacting an organic solar cell
- an organic solar cell comprising an anode, a cathode and a layer structure between the electrodes with an absorbing layer
- the invention therefore relates to a
- the element of a circuit thus produced which consists of an electrode and a conductor, which are contacted with each other, through the
- the invention relates to a method for contacting an OLED
- an OLED comprising an anode, a cathode and a Layer structure between the electrodes with a light-generating layer
- the invention relates to a method for contacting an organic solar cell
- an organic solar cell comprising an anode, a cathode and a layer structure between the electrodes with an absorbing layer
- Conductors are applied to the layer of fiber composites. This can have procedural reasons and, for example, for the elimination of
- Manufacturing errors and quality assessment are used. It may also be preferred to carry out further method steps before, after or in between
- the method is characterized in that the application of the conductive paste takes place by means of a screen-printing method, a stencil printing method, a dispenser and / or manually with the aid of a spade.
- the method is characterized in that, after the application of the conductive paste, it is smoothed with the aid of a saddle.
- a saddle is in this context
- an element which is particularly suitable due to its surface for smoothing the paste in particular, an element which is particularly suitable due to its surface for smoothing the paste.
- a particularly adhesive connection can be achieved by means of the conductor tracks or with the layer of fiber composites, since the paste adapts optimally to these materials.
- visible to the naked eye recognizable supernatants of the paste can be avoided and the aesthetic effect of the contacted device can be improved.
- the electrically conductive paste is dried at room temperature, so that advantageously no heating is necessary. So can
- the method is characterized in that the application of the adhesives coated fiber composites by means of a manual positioning and / or with the aid of an automated positioning system.
- these simple method steps are sufficient to connect the electrodes or the printed conductors to the layer of fiber composites and adhesives.
- Particularly high pressures and / or temperature ranges are preferably not necessary.
- Adhesives coated fiber composites on the conductive paste be applied, as long as it has not dried yet. This can be achieved on a penetration of the paste in the layer of adhesives and fiber composites, which allows excellent conductivity and an electrical interface, in particular for injecting or extracting charge carriers from optoelectronic devices. Similarly, a resulting compound is particularly robust and reliable.
- the provision of the OLED and the organic solar cell can preferably be achieved by acquiring OLEDs or organic solar cells known from the prior art in order to contact them in accordance with the mentioned method steps.
- the contacting preferably designates the mediation of a stable, electrically conductive connection between the electrodes and the conductor tracks.
- the method according to the invention is therefore also preferably referred to as a contacting method. Such a method introduces a second way of contacting and offers an alternative by which an improvement of the prior art can be brought about.
- the OLED and the organic solar cell can also be provided by known production methods, the steps for contacting the process steps for producing the OLED and / or the organic solar cell being connected. It was surprising that the method steps for contacting can be connected without any effort to the known production methods.
- the method is characterized in that the OLED and / or the organic solar cell a
- Thin-film construction comprises and the provision of these by wet-chemical process and / or a thermal vapor deposition process takes place. These methods are on the one hand particularly reliable, on the other hand very well rationalisierbar. It is particularly preferred that the layers are applied by screen printing, spin-coating, offset printing, and / or gravure printing. These processes mean savings in time, material, labor hours and costs. It is very particularly preferred that the layers are applied by means of an inkjet printing method and the cathode and anode are particularly preferably applied by a spraying method. This method is particularly robust against slight deviations of the parameters to be set and represents a quality improvement
- the use of light pressure or a short-term temperature of 120 ° C. may also be preferred. This makes it possible to provide particularly conductive and robust contacts.
- wet-chemical processes are understood to mean production processes in which the materials for the individual layers, e.g. the organic semiconducting polymers are present in solutions and a coating is carried out with the aid of these solutions.
- suitable solvents as carriers for the respective components.
- Thermal vapor deposition is understood to mean preferred vacuum-based coating processes in which the materials for the layers are heated to a boiling point and are thus vapor-deposited onto the respective substrates.
- the method is characterized in that the provision of the printed conductors is effected by a printing process selected from a group comprising inkjet, screen printing, flexographic printing, offset printing. Preference is given to using silver and / or graphite as printing materials.
- the printing methods mentioned make it possible to produce particularly thin, flexible and cost-effective conductor tracks.
- electronic circuits can be realized, which are characterized by a high flexibility and extremely small thickness.
- the fact that both the OLED and / or the organic solar cell and the printed conductors can be produced by printing processes considerably simplifies and rationalizes the production process.
- Conductor tracks and / or with electrodes, in particular of printed OLEDs and / or organic solar cells to connect are provided.
- this allows inventive method using a contact in which even highly sensitive interconnects and / or optoelectronic components can be galvanically coupled together safely and stably.
- the application of the conductive paste in particular can be excellently combined with the process steps for printing on the electronic components.
- FIG. 1 Schematic representation of a preferred contacting an OLED
- FIG. 2 Schematic representation of a preferred contacting of a
- Fig. 1 a, b shows a schematic representation of a preferred contacting of an OLED 1 .1.
- the OLED 1.1 comprises a thin-film structure having at least one optically active emitter layer, which is arranged between two electrodes, an anode 1.5 and a cathode 1.6.
- the OLED 1 .1 is contacted. with printed conductors 1 .2, which are connected to a voltage source (not shown).
- fiber composites 1.3 which are coated on both sides with adhesives 1 .4, brought between the electrodes (1 .5 and 1.6) and the conductor tracks 1.2.
- Preferred conductive fiber composites 1.3 are, for example, Ni-Cu or Ag-Ni-Cu fiber composites.
- the electrodes (1.5 and 1.6) are roughened.
- this surface modification can be carried out during the printing of the electrodes (1 .5 and 1.6) by applying a conductive paste 1 .7.
- the OLEDs 1 .1. after being placed with the conductive paste 1.7 to coat.
- conductive paste 1.7 are preferably copper pastes, silver pastes and / or
- Graphite pastes are used, which preferably with a screen printing process be applied.
- the conductive paste 1.7 as illustrated in FIG. 1b, is preferably present between the electrodes (1.5 and 1.6) and the fiber composites 1.3 coated with adhesives 1.4.
- Fiber composites 1.3 and the printed conductors 1.2 is preferred by
- FIG. 1 b shows a sectional view of the preferred OLED 1.1, whose electrodes (1.5 and 1.6) have been connected to the printed conductors 1.2.
- Fig. 1 a shows a
- FIG. 2 shows a schematic representation of a further preferred contacting of an OLED 1.1.
- the optoelectronic device i. the OLED 1 .1
- the electrodes 1.5 and 1.6 up, i. preferably to the side facing away from the substrate, before.
- Fig. 2a shows a contacting of an electrode (1.5 or 1.6) of the OLED 1.1 by means of adhesives 1.4 coated fiber composites 1.3 to a
- Conductor 1.2 wherein the conductor 1.2 and the electrode (1.5 or 1.6) are coated with a conductive paste 1 .7.
- 2b shows a contacting of an electrode (1.5 or 1.6) of the OLED 1.1 with the aid of adhesives 1.4 coated fiber composites 1.3 to a
- Conductor 1.2 wherein the electrode (1.5 or 1.6) is coated with a conductive paste 1.7, the contact on the conductor track 1.2, however, without the application of a conductive paste 1.7 is carried out.
- FIG. 2c shows a contacting of an electrode (1 .5 or 1.6) of a first OLED 1.1 by means of fiber composites 1 .3 coated with adhesives 1 .4 to an electrode (1 .5 or 1 .6) of a second OLED 1.1. It is preferred that the electrodes (1.5 or 1.6) of the OLEDs each have a layer of conductive pastes 1 .7.
- Inventive electronic component and the method for contacting an electrode, preferably an OLED and / or an organic solar cell, with interconnects are thus not limited in their embodiments to the above preferred embodiments. Rather, a variety of
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Electroluminescent Light Sources (AREA)
- Photovoltaic Devices (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780072557.8A CN110088929B (zh) | 2016-09-27 | 2017-09-27 | 光电子部件的接触 |
EP17787112.6A EP3520154A1 (de) | 2016-09-27 | 2017-09-27 | Kontaktierung von optoelektronischen bauelementen |
US16/335,476 US11018301B2 (en) | 2016-09-27 | 2017-09-27 | Contacting optoelectronic components |
JP2019516516A JP2019536258A (ja) | 2016-09-27 | 2017-09-27 | オプトエレクトロニクス部品同士の接触 |
KR1020197011616A KR102539119B1 (ko) | 2016-09-27 | 2017-09-27 | 광전자 소자의 접촉 |
Applications Claiming Priority (2)
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DE102016118186.2 | 2016-09-27 | ||
DE102016118186 | 2016-09-27 |
Publications (2)
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WO2018060258A1 true WO2018060258A1 (de) | 2018-04-05 |
WO2018060258A4 WO2018060258A4 (de) | 2018-06-28 |
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PCT/EP2017/074514 WO2018060258A1 (de) | 2016-09-27 | 2017-09-27 | Kontaktierung von optoelektronischen bauelementen |
Country Status (6)
Country | Link |
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US (1) | US11018301B2 (de) |
EP (1) | EP3520154A1 (de) |
JP (2) | JP2019536258A (de) |
KR (1) | KR102539119B1 (de) |
CN (1) | CN110088929B (de) |
WO (1) | WO2018060258A1 (de) |
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CN115334971A (zh) * | 2020-03-30 | 2022-11-11 | 日东电工株式会社 | 生物传感器 |
Citations (3)
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WO2010150648A1 (ja) * | 2009-06-25 | 2010-12-29 | コニカミノルタホールディングス株式会社 | 有機エレクトロニクスパネルおよびその製造方法 |
WO2014032642A1 (de) * | 2012-08-27 | 2014-03-06 | Inoviscoat Gmbh | Organoelektronisches schichtsystem |
KR20160074324A (ko) * | 2014-12-18 | 2016-06-28 | 엘지디스플레이 주식회사 | 유기발광소자를 포함하는 조명 장치 |
Family Cites Families (11)
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JPS63211513A (ja) * | 1987-02-25 | 1988-09-02 | 三菱レイヨン株式会社 | 導電性積層体 |
JPH09120262A (ja) * | 1995-10-25 | 1997-05-06 | Fuji Electric Co Ltd | 表示パネル接続端子部の接続方法 |
JP4511076B2 (ja) * | 2001-04-27 | 2010-07-28 | 北川工業株式会社 | 導電両面テープ |
US20060275947A1 (en) * | 2005-06-03 | 2006-12-07 | Jian Wang | Process for forming an electronic device including reflowing a conductive member |
KR20080023554A (ko) * | 2006-09-11 | 2008-03-14 | 엘지전자 주식회사 | 디스플레이모듈 및 이를 구비하는 이동통신 단말기 |
JP5222398B2 (ja) * | 2009-04-30 | 2013-06-26 | 株式会社島津製作所 | 放射線検出器 |
US9301367B2 (en) * | 2011-12-19 | 2016-03-29 | Inoviscoat Gmbh | Luminous elements with an electroluminescent arrangement and method for producing a luminous element |
CN103208551B (zh) * | 2012-01-13 | 2017-07-04 | 比亚迪股份有限公司 | 一种太阳能电池组件 |
KR20150083647A (ko) * | 2014-01-10 | 2015-07-20 | 삼성전기주식회사 | 터치 센서 |
JP2017503899A (ja) * | 2014-01-24 | 2017-02-02 | スリーエム イノベイティブ プロパティズ カンパニー | 導電性接着テープ及びその物品 |
FI20155713A (fi) * | 2015-10-09 | 2017-04-10 | Inkron Ltd | Sähköisesti johtavat siloksaanipartikkelikalvot sekä niitä sisältävät laitteet |
-
2017
- 2017-09-27 EP EP17787112.6A patent/EP3520154A1/de active Pending
- 2017-09-27 JP JP2019516516A patent/JP2019536258A/ja active Pending
- 2017-09-27 US US16/335,476 patent/US11018301B2/en active Active
- 2017-09-27 KR KR1020197011616A patent/KR102539119B1/ko not_active Application Discontinuation
- 2017-09-27 CN CN201780072557.8A patent/CN110088929B/zh active Active
- 2017-09-27 WO PCT/EP2017/074514 patent/WO2018060258A1/de unknown
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2022
- 2022-12-05 JP JP2022194001A patent/JP7445734B2/ja active Active
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WO2010150648A1 (ja) * | 2009-06-25 | 2010-12-29 | コニカミノルタホールディングス株式会社 | 有機エレクトロニクスパネルおよびその製造方法 |
WO2014032642A1 (de) * | 2012-08-27 | 2014-03-06 | Inoviscoat Gmbh | Organoelektronisches schichtsystem |
KR20160074324A (ko) * | 2014-12-18 | 2016-06-28 | 엘지디스플레이 주식회사 | 유기발광소자를 포함하는 조명 장치 |
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Also Published As
Publication number | Publication date |
---|---|
JP7445734B2 (ja) | 2024-03-07 |
EP3520154A1 (de) | 2019-08-07 |
JP2023039964A (ja) | 2023-03-22 |
KR102539119B1 (ko) | 2023-06-01 |
CN110088929A (zh) | 2019-08-02 |
CN110088929B (zh) | 2022-06-28 |
US20190245144A1 (en) | 2019-08-08 |
KR20190053933A (ko) | 2019-05-20 |
US11018301B2 (en) | 2021-05-25 |
JP2019536258A (ja) | 2019-12-12 |
WO2018060258A4 (de) | 2018-06-28 |
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