EP2377157A1 - Circuit électronique organique - Google Patents

Circuit électronique organique

Info

Publication number
EP2377157A1
EP2377157A1 EP09805681A EP09805681A EP2377157A1 EP 2377157 A1 EP2377157 A1 EP 2377157A1 EP 09805681 A EP09805681 A EP 09805681A EP 09805681 A EP09805681 A EP 09805681A EP 2377157 A1 EP2377157 A1 EP 2377157A1
Authority
EP
European Patent Office
Prior art keywords
capacitor plate
organic electronic
electronic circuit
organic
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09805681A
Other languages
German (de)
English (en)
Inventor
Andreas Ullmann
Klaus Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PolyIC GmbH and Co KG
Original Assignee
PolyIC GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PolyIC GmbH and Co KG filed Critical PolyIC GmbH and Co KG
Publication of EP2377157A1 publication Critical patent/EP2377157A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K19/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00
    • 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
    • H10K50/30—Organic light-emitting transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H10K59/1216—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
    • H10K10/40—Organic transistors
    • H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
    • H10K10/462—Insulated gate field-effect transistors [IGFETs]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
    • H10K10/80—Constructional details
    • H10K10/82—Electrodes
    • 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
    • H10K2102/302—Details of OLEDs of OLED structures

Definitions

  • the invention relates to an organic electronic circuit.
  • RFID transponders are used for identification, for example as a price tag, and for the protection of goods and documents.
  • Organic electronic circuits should thus have a high flexibility and a small size and still be mechanically durable.
  • the organic electronic circuits are mass-produced products.
  • the organic electronic circuits generally have a plurality of superimposed electrical functional layers, which are arranged one after the other and on each other.
  • the invention is based on the object to provide an improved organic electronic circuit.
  • the organic electronic circuit comprising a main substrate and an organic electronic assembly in the form of a multilayer film body having one or more electrically conductive functional layers and one or more electrically semiconducting functional layers, wherein in a first region of the organic electronic circuit is one of the one or more electrically conductive functional layers of the organic of the electronic assembly, which is an electrode layer of the electronic assembly, in which one or more electrodes for one or more organic field effect transistors or organic diodes are formed, further formed in the form of a first capacitor plate, the forming an integral part of the organic electronic assembly, and in a second region of the organic electronic circuit one of the one or more electrically conductive functional layers of the organic electronic assembly, which is an electrode layer of the electronic assembly, in which one or more electrodes for one or more organic
  • Field-effect transistors or organic diodes are formed, further formed in the form of a second capacitor plate, which forms an integrated part of the organic electronic assembly such that the electronic circuit and the main substrate are laminated together, that the main substrate has an electrically conductive layer, which in the form of a third Capacitor plate is formed and that the third capacitor plate is formed and the electronics assembly and the main substrate are laminated together so that the third capacitor plate, the first capacitor plate and the second capacitor plate respectively at least partially covered, and the first capacitor plate, the second capacitor plate and the third capacitor plate a Forming condenser of organic electronic circuit.
  • the third capacitor plate as a component of the main substrate, already improves the mechanical resistance of the organic electronic circuit during production.
  • the main substrate with the third capacitor plate is a substrate that is well suited to the assembly of the organic electronic assembly.
  • technologies such as printing, squeegees or sputtering, which require extensive specialized equipment, can be used to fabricate the organic electronics package Offer cost advantages for mass production.
  • the conductive adhesives used for the conventional contacting of the electronic assemblies produced by means of such a manufacturing technology lead to mechanically susceptible galvanic connection.
  • the organic electronic circuit has an organic electronic assembly that differs fundamentally in the materials and manufacturing processes used from a silicon chip commonly used for integrated circuits.
  • the electrically conductive, semiconductive and / or insulating functional layers of this organic electronic assembly are formed by layers of a multilayer film body, which are applied by printing, knife coating, vapor deposition or sputtering.
  • the electrically conductive, semiconducting and / or insulating functional layers of the organic electronic assembly are constructed on a flexible carrier substrate consisting of a plastic film and / or paper having a thickness of 10 ⁇ m to 100 ⁇ m.
  • This foil thus forms the carrier substrate of the integrated electronic circuit, ie the organic electronic assembly, instead of a silicon dioxide plate in an integrated electronic circuit formed by a silicon chip.
  • the Semiconducting functional layers of this circuit are preferably applied in a solution and thus applied for example by printing, spraying, knife coating or pouring.
  • Suitable materials of the semiconductive functional layers are preferably semiconductive functional polymers such as polythiophene, polyterthiophene, polyfluorene, pentacene, tetracenes, oligothiophene embedded in angoranic silicon in a polymer matrix, nano-silicon or polyarylamine, but also inorganic materials which are dissolved or sputtered or vapor deposition can be applied, for example ZnO, a-Si.
  • the first and second capacitor plates form an integral part of this organic electronic assembly and are in one or more
  • Electrode layers of the electronic assembly formed in which further one or more electrodes for one or more organic field effect transistors or organic diodes are formed.
  • the first and the second capacitor plate thus form an integral part of the of the electrically conductive, semiconducting and / or insulating functional layers of the multilayer
  • Film body formed integrated electronic circuit A portion of a continuous electrically conductive region of an electrode layer of the organic electronic circuit thus forms an electrode of an organic field-effect transistor or an organic diode.
  • a region of the main substrate, which is the carrier of the organic electronic circuit, has an electrically conductive region. This region has a third capacitor plate which partially covers at least the first and the second capacitor plate to form a capacitor.
  • Such a region of the electrically conductive layer of the organic electronic assembly forms on the one hand an electrode of an active organic electrical component and thus, for example, in contact with a semiconducting layer of the organic electronic assembly and on the other hand forms a capacitor plate for forming a capacitor by means of the further capacitor plate of the organic electronic assembly and the Third capacitor plate of the main substrate, ie, so that the organic electronic circuit by means of the three capacitor plates forms a capacitor.
  • An organic electronic component is understood here to mean an electrical component which consists predominantly of organic material, in particular consists of at least 90% by weight of organic material.
  • a single organic component is composed of different layers with an electrical function, in particular in the form of non-self-supporting, thin layers, and further at least from the areas of a carrier substrate, which can be assigned to the layer layers, on which the layer layers are located.
  • the individual layer layers can be formed from organic or inorganic material, it being possible to use only organic, only inorganic, or organic and inorganic layer layers in combination for forming an organic component.
  • an electrical component comprising an organic carrier substrate and only inorganic layer layers with electrical function due to the usually large mass of the carrier substrate in comparison to the mass of the functional layers is considered as an organic component.
  • the third capacitor plate covers the first area and the second area over the entire area. The capacitance of the capacitor is thus increased.
  • the third capacitor plate is strip-shaped.
  • the third capacitor plate may be formed in strip form as a narrow strip having a length which is at least 2 times greater than a width of the strip.
  • the first capacitor plate and the second capacitor plate are formed in the same electrically conductive functional layer of the one or more electrically conductive functional layers of the electronic assembly. It may also be provided in a preferred embodiment that the first capacitor plate and the second capacitor plate are formed in different electrically conductive functional layers of the one or more electrically conductive functional layers of the electronic assembly.
  • the first region of the organic electronic circuit and the second region of the organic electronic circuit are arranged relative to each other so that the first capacitor plate and the second capacitor plate are spaced less than 100 microns apart.
  • the first capacitor plate and the second capacitor plate with a distance of 5 microns to 10 microns apart.
  • the first, the second and the third capacitor plate By arranging the first, the second and the third capacitor plate less unwanted currents are induced by adjacent components in the capacitor and it improves the signal quality of the organic electronic circuit.
  • the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second capacitor plate, and / or the third capacitor plate are formed over a large area. It is possible that the first capacitor plate, the second
  • Capacitor plate, and / or the third capacitor plate each have an area of 4 mm 2 to 100 mm 2 .
  • an insulating layer is arranged between the first capacitor plate and the third capacitor plate, and between the second capacitor plate and the third capacitor plate.
  • the insulating layer preferably completely covers the third capacitor plate and / or the first and the second capacitor plate.
  • Insulating layer of an inorganic dielectric layer having a layer thickness between 5 and 100 nm.
  • the inorganic dielectric layer is preferably applied on the surface of the electrically conductive layer of the main substrate.
  • an adhesive layer is preferably arranged between the insulation layer and the electronics module.
  • the layer thickness of the adhesive layer is preferably less than 1 ⁇ m, more preferably less than 500 nm.
  • the inorganic dielectric layer is preferably applied to the surface of the electrically conductive layer of the main substrate by a coating method such as sputtering or sputtering.
  • the inorganic, dielectric layer here preferably consists of silicon dioxide.
  • the inorganic dielectric layer is formed of a metal oxide layer formed by surface oxidation of the electrically conductive layer of the main substrate, which in this case is made of a metal.
  • the layer thickness of the metal oxide layer is between 5 and 10 nm.
  • the insulating layer consists of an electrically non-conductive tough plastic.
  • the plastic may be an electrically non-conductive tough plastic film or an electrically non-conductive tough plastic paint.
  • the mechanically tough insulating film increases the capacitance of the capacitor, and on the other hand, the organic electronic circuit becomes more mechanically stressed.
  • the multilayer film body nevertheless has a high flexibility. In the production as well as the use of the organic electronic circuit is reduced by means of the tough insulating film, the probability of the occurrence of leakage currents between the third and the first and the second capacitor plate. The occurrence of leakage currents jeopardizes the proper functioning of the organic electronic circuit.
  • the third capacitor plate is formed as a metal foil.
  • the metal foil may comprise a metal alloy.
  • the first capacitor plate, the second capacitor plate, and / or the third capacitor plate has a thickness of 10 nm to 100 nm, preferably from 1 .mu.m to 50 .mu.m.
  • the organic electronic circuit between the third capacitor plate and the insulating layer on a first adhesive layer. It can also be provided that the organic electronic circuit has a second adhesive layer between the first capacitor plate and the insulating layer and between the second capacitor plate and the insulating layer.
  • the first adhesive layer and / or the second adhesive layer has a plurality of adhesive dots.
  • the first adhesive layer and / or the second adhesive layer is dielectric.
  • the first adhesive layer and / or the second adhesive layer has a relative dielectric constant of 2 to 4. The first and / or the second adhesive layer can thus increase the capacitance of the capacitor without increasing its overall height.
  • the first adhesive layer and / or the second adhesive layer has a thickness of 0.5 ⁇ m to 20 ⁇ m, preferably 1 ⁇ m.
  • PET polyethylene terephthalate
  • PP polypropylene
  • the relative dielectric constant of the insulating layer is 2.3 (PP) to 3.2 (PET).
  • the insulating layer has a thickness of 0.9 ⁇ m to 10 ⁇ m, preferably 1.8 ⁇ m.
  • the insulating layer is formed as a plastic film.
  • the plastic film comprises a polyethylene terephthalate film, i. a PET film, and / or a polypropylene film, i. a PP film. It is possible that the insulation layer has one or more plastic films.
  • the main substrate has a substrate layer.
  • the substrate layer is preferably made of paper and / or a plastic film, in particular PET, PP.
  • the organic electronic module has in each case one of the one or more electrically conductive functional layers in one or more fourth regions of the organic electronic circuit. These each one of the one or more electrically conductive functional layers is formed as an electrode layer of the electronic assembly.
  • this electrode layer one or more electrodes for one or more organic field effect transistors or organic diodes are formed.
  • This one of the one or more electrically conductive functional layers is further formed in the form of another second capacitor plate.
  • the one or more further second capacitor plates thus form an integral part of the organic electronic circuit.
  • the main substrate has an electrically conductive layer.
  • the electrically conductive layer is formed in the form of one or more further third capacitor plates.
  • Each of the other one or more third capacitor plates is shaped and the organic electronic assembly and the main substrate are laminated together so that the respective further third capacitor plate, the respective further first capacitor plate and the respective further second capacitor plate at least partially covers.
  • the respectively further first capacitor plate, the respective further second capacitor plate and the respectively further third capacitor plate each form a further capacitor of the organic electronic circuit.
  • the organically electronic circuit has a coil.
  • the coil is arranged in the main substrate.
  • the coil may be formed as an antenna coil of an antenna resonant circuit of an RFID transponder.
  • the organically electronic circuit has a coil.
  • the coil has two contacts.
  • the two contacts of the coil are formed as a first plate, ie an initial plate, and a second plate, ie an end plate.
  • the electronics module points in one or two of the electrically conductive one or more functional layers, a further first plate, ie, a further first capacitor plate, and a further second plate, that is, a further second capacitor plate on.
  • the first plate is formed with the further first plate at least partially overlapping.
  • the second plate is at least partially overlapping with the further second plate.
  • the first plate with the further first plate and the second plate with the further second plate each form a capacitor.
  • the organic electronic assembly has a plurality of organic components.
  • the plurality of organic components are selected from the group consisting of organic resistor, organic capacitor, organic diode, and / or organic field effect transistor.
  • the organically electronic circuit has a rectifying assembly.
  • the organic electronic circuit is an RFID transponder.
  • Fig. 1a shows a schematic sectional view of a first embodiment of an organic electronic circuit according to the invention.
  • Fig. 1b shows a schematic sectional view of a second embodiment of an organic electronic circuit according to the invention.
  • Fig. 1c shows a schematic equivalent circuit diagram of the first and the second
  • FIG. 2a shows a schematic sectional view of a third embodiment of an organic electronic circuit according to the invention.
  • FIG. 2b shows a schematic view from above of the main substrate and the electrically conductive functional layer in a schematic view from below of the third embodiment of the organic electronic circuit according to the invention.
  • FIG. 3a shows a schematic sectional view of a fourth embodiment of an organic electronic circuit according to the invention.
  • 3b shows a schematic view from above of the main substrate and the electrically conductive functional layer in a schematic view from below of the fourth embodiment of the organic electronic circuit according to the invention.
  • the organic electronic circuit 1 has a main substrate 80 and an organic electronic assembly 10 in the form of a multilayer film body.
  • 6 functional layers namely the functional layers 100, 101, 102, 103, 104 and 105, are shown by way of example.
  • the multilayer film body may have a plurality of functional layers.
  • the multilayer film body has one or more electrically conductive functional layers 101, 105 and one or more electrically semiconducting functional layers 103.
  • the functional layers 100, 102 and 104 are formed as insulating layers in the form of a plastic film. However, the functional layers 100, 102 and 104 can also be designed as conductive or conductive functional layers.
  • a first region 90 of the organic electronic circuit 1 is one of the one or more electrically conductive functional layers, namely the functional layer 105, the organic of the electronic assembly 10 as an electrode layer of the electronic assembly 10th formed.
  • an electrode 201 is formed in this electrically conductive functional layer 105.
  • This electrode 201 may be formed as an electrode of an organic field effect transistor or an organic diode.
  • This electrically conductive functional layer 105 is further shaped in the form of a first capacitor plate 201.
  • This electrically conductive functional layer 105 thus forms an integral part of the organic electronic module 10.
  • a second region 91 of the organic electronic circuit 1 another of the one or more electrically conductive functional layers, namely the functional layer 101, the organic of the electronic assembly 10 as a further electrode layer the electronics assembly 10 formed.
  • an electrode 211 is formed.
  • This electrode 211 may, like that of the functional layer 105, be formed as an electrode of an organic field-effect transistor or an organic diode.
  • This electrically conductive functional layer 211 is further shaped in the form of a second capacitor plate 211. Also, this electrically conductive functional layer 211 thus forms an integral part of the organic electronic assembly 10.
  • the first capacitor plate 201 and the second capacitor plate 211 are made of Ag, Au or Cu and have a thickness of 40 nm.
  • the first capacitor plate 201 is preferably made of copper.
  • the second capacitor plate 211 is preferably made of silver.
  • the organic electronic circuit 10 and the main substrate 80 are laminated together.
  • the main substrate 80 has an electrically conductive layer 50.
  • the electrically conductive layer 50 is formed in the form of a third capacitor plate 50.
  • the electrically conductive layer 50 is formed as a thin metal foil of Al or Cu and has a thickness of about 18 microns.
  • the third capacitor plate 50 is formed and the electronic package 10 and the main substrate 80 are laminated with each other so that the third capacitor plate 50 completely covers the first capacitor plate 201 and the second capacitor plate 211.
  • the third capacitor plate 50 covers the first area 90 and the second area 91 over the entire surface.
  • the first capacitor plate 201, the second capacitor plate 211 and the third capacitor plate 50 form a capacitor of the organic electronic circuit 1.
  • Figure 1c shows a schematic equivalent circuit diagram of the capacitor formed from the first capacitor plate 201, the second capacitor plate 211 and the third capacitor plate 50th Der
  • a capacitor is formed by connecting in series a plate capacitor formed by the first capacitor plate 201 and the third capacitor plate 50 to another plate capacitor formed by the third capacitor plate 50 and the second capacitor plate 211.
  • the first capacitor plate 201 and the second capacitor plate 211 are formed in different electrically conductive functional layers 101 and 105 of the one or more electrically conductive functional layers of the electronic assembly 10.
  • the first region 90 of the organic electronic circuit 1 and the second region 91 of the organic electronic circuit 1, in particular the first capacitor plate 201 and the second capacitor plate 211, are spaced from each other with a distance less than 200 microns. A small distance of the first region 90 to the second region 91 reduces the induction of unwanted electrical currents in the capacitor. The quality of the organic electronic circuit is thereby improved compared to versions whose first and second capacitor plate have a greater distance compared to this.
  • the main substrate 80 is laminated with the organic electronic package 10 by interposing an insulating layer 40. Between the first capacitor plate 201 and the third capacitor plate 50 and between the second capacitor plate 211 and the third capacitor plate 50, an insulating layer 40 is disposed. The insulating layer 40 covers the first capacitor plate 201, the second capacitor plate and the third one
  • Capacitor plate 50 completely.
  • the organic electronic circuit 1 has a small volume and / or a small area. This is advantageous if the organic electronic circuit 1 is designed as an RFID transponder or as a subcircuit of an RFID transponder.
  • the insulating layer 40 is therefore formed of an electrically non-conductive tough and dielectric plastic film of relative dielectric constant of 2.3 (PP) to 3.2 (PET).
  • the insulating layer 40 consisting of the tough plastic film allows the organic electronic Circuit 1 is suitable for the production of flexible and mechanically durable RFID transponder.
  • Mechanically claimable means that the organic electronic circuit is deformable without defects in the organic electronic circuit 1 occur, ie the organic electronic circuit 1 remains functional even under mechanical stress.
  • the insulating layer 40 has a thickness of approximately 1 ⁇ m.
  • the plastic film of the insulation layer 40 is a multi-layered film body, which in particular comprises a PET film and a PP film.
  • the organic electronic circuit 1 has a first adhesive layer 32 between the third capacitor plate 50 and the insulating layer 40.
  • the organic electronic circuit 1 furthermore has a second adhesive layer 31.
  • the second adhesive layer 31 is formed between the first capacitor plate 201 and the insulating layer 40 and between the second capacitor plate 211 and the insulating layer 40.
  • the first adhesive layer 32 and the second adhesive layer 31 are connected to the insulating layer 40 over the entire area.
  • the first adhesive layer 32 and the second adhesive layer 31 may be formed by applying a plurality of adhesive dots consisting of an adhesive to the third capacitor plate 50 and the functional layer 105, respectively.
  • the adhesive is electrically non-conductive, non-corrosive and, when cured, produces a tough adhesive layer.
  • first adhesive layer 32 and the second adhesive layer 31 have a relative dielectric constant of preferably 2 to 3.
  • the first adhesive layer 32 and the second adhesive layer 31 have a thickness of approximately 1 ⁇ m.
  • the main substrate 80 has a
  • the substrate layer 60 here consists of paper and a plastic film.
  • the organic electronic circuit 1 has an organic electronic assembly 10 which fundamentally differs in the materials and manufacturing processes used from a conventional silicon chip used for integrated circuits.
  • the electrically conductive, semiconductive and / or insulating functional layers 100, 101, 102, 103, 104 and 105 of the electronic assembly 10 are formed by layers of a multilayer film body. The layers are applied by printing, knife coating, vapor deposition or sputtering.
  • the electrically conductive, semiconductive and / or insulating functional layers 100, 101, 102, 103, 104 and 105 of the organic electronic assembly 10 are in contrast to a silicon chip on a flexible carrier substrate consisting of a plastic film and / or paper of a thickness of 10 .mu.m built up to 100 ⁇ m.
  • This film forms the carrier substrate of the integrated electronic circuit, ie the electronic package 10, instead of a silicon dioxide chip in a conventional silicon chip technology.
  • the semiconductive functional layers of this organic electronic circuit are preferably applied in a solution and are thus applied, for example, by printing, spraying, knife coating or pouring.
  • Semiconducting functional polymers such as polythiophene, polytherthiophene, polyfluorene, pentacene, tetracenes, oligothiophene, angoran silicon embedded in a polymer matrix, nano-silicon or polyarylamine are preferably used as materials of the semiconducting functional layers.
  • Inorganic materials can also be used.
  • the inorganic materials can be applied in solution or by sputtering or vapor deposition.
  • Preferred inorganic materials are, for example, ZnO or, a-Si.
  • 1 b shows a schematic sectional view of a second embodiment of an organic electronic circuit 1 according to the invention.
  • the second embodiment of an organic electronic circuit 1 according to the invention is an embodiment modified from the first embodiment.
  • the organic electronic circuit 1 has, in contrast to the first embodiments according to the invention, the first capacitor plate 201 and the second capacitor plate 211 in the same electrically conductive functional layer 105.
  • the first capacitor plate 201 and the second capacitor plate 211 are therefore formed in the same electrically conductive functional layer 105.
  • the first capacitor plate 201 and the second capacitor plate 211 are formed with different sizes. This is in contrast to the first embodiment according to the invention, in which both capacitor plates 201 and 211 are formed with the same size.
  • the first region 90 and the second region 91, in particular the first capacitor plate 201 and the second capacitor plate 211 with a smaller distance from each other spaced as it provides the first embodiment of the invention.
  • FIG. 2a shows a schematic sectional view of a third embodiment of an organic electronic circuit 2 according to the invention.
  • the third embodiment has a second capacitor which can be realized in an analogous manner to the first two embodiments.
  • FIG. 2 a shows an organic electronic circuit 2, which comprises an organic electronic module 11.
  • the organic electronic assembly 11 has, in a third region 92 of the organic electronic circuit 2, an electrically conductive functional layer of the organic electronic assembly 11.
  • This electrically conductive functional layer is formed as an electrode layer of the electronic assembly 11. In this electrode layer, an electrode for an organic field effect transistor or an organic diode is formed.
  • This electrically conductive functional layer is further shaped in the form of a further first capacitor plate 221.
  • This first capacitor plates 221 thus forms an integral part of the organic electronic circuit 2.
  • the organic electronic module 11 further has in a fourth region 93 of the organic electronic circuit 11 an electrically conductive functional layer of the organic electronic module 11 electrically conductive functional layer is also formed as an electrode layer of the electronic assembly 11. In this electrode layer, an electrode for an organic field effect transistor or an organic diode is formed.
  • This electrically conductive functional layer is further formed in the form of a further second capacitor plate 231.
  • the further second capacitor plate 231 thus also forms an integrated part of the organic electronic circuit 2.
  • the main substrate 80a has an electrically conductive layer.
  • the electrically conductive layer is formed in the form of a further third capacitor plate 51.
  • the third capacitor plate 51 is thus formed, and the organic electronic package 11 and the main substrate 80a are laminated with each other so that the further third capacitor plate 51, the other first capacitor plate 221 and the further second capacitor plate 231 completely cover. In a modified and not shown embodiment, however, a partial overlap may be provided.
  • the further first capacitor plate 221, the further second capacitor plate 231 and the further third capacitor plate 51 form a further capacitor of the organic electronic circuit 2.
  • the further first and further second capacitor plates may be formed in the same or in different functional layers of the organic electronic module.
  • Figure 2b shows a schematic top view of the main substrate 80a and the electrically conductive functional layer 105 in a schematic bottom view of the third embodiment of the inventive organic electronic circuit 2.
  • the third capacitor plate 50 and the other third capacitor plate 51 are strip-shaped with different lengths and Width formed in the main substrate 80a.
  • the third capacitor plate 50 and the other third capacitor plate 51 are strip-shaped with different lengths and Width formed in the main substrate 80a.
  • Capacitor plate 51 are both formed in the same electrically conductive functional layer and both have the same thickness.
  • the third capacitor plate 50 is formed over a large area and has an area of 25 mm 2 to 150 mm 2 , preferably 100 mm 2 , on. However, the further third capacitor plate is formed substantially smaller with an area of less than 50 mm 2 .
  • FIG. 2b shows that the first capacitor plate 201 and the second capacitor plate 211 are both formed over a large area with an area of 12 mm 2 to 75 mm 2 , preferably 50 mm 2 . In an embodiment of the invention not shown, however, it may be provided that the first capacitor plate 201 and the second capacitor plate 211 may be formed differently, in particular with different sizes.
  • FIG. 2 b illustrates, in conjunction with FIG.
  • FIG. 3a shows a schematic sectional view of a fourth embodiment of an organic electronic circuit 3 according to the invention.
  • the organic electronic circuit 3 is designed as an RFID transponder.
  • the organically electronic circuit 3 has a capacitor formed from the first capacitor plate 201, the second capacitor plate 211 and the third capacitor plate 50 with the interposition of a full-surface insulation layer 40 corresponding to the vorran ton embodiments.
  • a coil 70 is capacitively coupled to an organic electronic assembly 12. The capacitive coupling will now be clarified by means of FIG. 3b.
  • FIG. 3b shows, in a schematic view from above, the main substrate 80b and the electrically conductive functional layer 105 in a schematic view from below of the fourth embodiment of the organic electronic circuit 3 according to the invention.
  • the organic electronic circuit 3 has a planar helical coil 70.
  • the coil 70 is disposed in the main substrate 80b.
  • the coil 70 also has at its beginning and at its end an initial plate 220 and an end plate 230, respectively.
  • the material of the coil 70 is a Metal or a metal alloy.
  • the coil 70 is made of the same material as the third capacitor plate 50.
  • the coil 70 and the third capacitor plate 50 are disposed in the same plane of the main substrate 80b and have the same thickness.
  • the coil 70 constitutes an antenna coil of the RFID transponder 3.
  • the antenna resonant circuit consisting of the coil 70 and its start plate 220 and end plate 230 and another first capacitor plate 221 and another second capacitor plate 231.
  • the antenna resonant circuit of the RFID transponder 3 is formed.
  • the initial plate 220 with the first further capacitor plate 221 form a first resonant circuit capacitor 22
  • the end plate 230 with the first further capacitor plate 231 form a second resonant circuit capacitor 23.
  • the antenna resonant circuit has the coil 70 and the two resonant circuit capacitors 22 and 23.
  • the antenna resonant circuit is formed by the capacitive coupling of the coil 70 with its start plate 220 and end plate 230 to the organic electronics assembly 12.
  • the antenna resonant circuit of the RFID transponders is formed by laminating the main substrate 80b with the organic electronic package 3 with interposition of the full-surface insulating layer 40.
  • an insulating film 40 which consists of a tough plastic film. This insulating film reduces the production-related scrap content of organic electronic circuits by increasing the mechanical strength of organic electronic circuits.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Thin Film Transistor (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

L'invention concerne un circuit électronique organique (1, 2, 3) qui comporte un substrat principal (80, 80a, 80b) et un module électronique organique (10, 11, 12) sous la forme d'un corps pelliculaire multicouche. Le corps pelliculaire multicouche comporte une ou plusieurs couches fonctionnelles électriquement conductrices (101, 105) et une ou plusieurs couches fonctionnelles électriquement semi-conductrices (103). Dans une première région (90) du circuit électronique organique (1, 2, 3), une de ces couches fonctionnelles électriquement conductrices (101, 105) du module électronique organique (10, 11, 12) est façonnée comme une couche d'électrodes du module électronique (10, 11, 12). Une ou plusieurs électrodes pour un ou plusieurs transistors organiques à effet de champ ou diodes organiques sont façonnées dans cette couche fonctionnelle électriquement conductrice. Cette couche électriquement conductrice est en outre façonnée sous la forme d'une première plaque de condensateur (201). Cette couche électriquement conductrice fait ainsi partie intégrante du module électronique organique (10, 11, 12). Dans une deuxième région (91) du circuit électronique organique (1, 2, 3), une de ces couches fonctionnelles électriquement conductrices (101, 105) du module électronique organique (10, 11, 12) est façonnée comme une couche d'électrodes du module électronique (10, 11, 12). Une ou plusieurs électrodes pour un ou plusieurs transistors organiques à effet de champ ou diodes organiques sont façonnées dans cette couche fonctionnelle électriquement conductrice. Cette couche électriquement conductrice est en outre façonnée sous la forme d'une deuxième plaque de condensateur (211). Cette couche électriquement conductrice fait ainsi partie intégrante du module électronique organique (10, 11, 12). Le circuit électronique (10, 11, 12) et le substrat principal (80, 80a, 80b) sont contrecollés. Le substrat principal (80, 80a, 80b) comporte une couche électriquement conductrice. Cette couche électriquement conductrice est façonnée sous la forme d'une troisième plaque de condensateur (50). La troisième plaque de condensateur (50) est façonnée et le module électronique (10, 11, 12) et le substrat principal (80, 80a, 80b) sont contrecollés de telle manière que la troisième plaque de condensateur (50) recouvre au moins partiellement la première plaque de condensateur (201) et la deuxième plaque de condensateur (211). La première plaque de condensateur (201), la deuxième plaque de condensateur (211) et la troisième plaque de condensateur (50) forment un condensateur du circuit électronique organique (1, 2, 3).
EP09805681A 2008-12-15 2009-12-14 Circuit électronique organique Withdrawn EP2377157A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008061928A DE102008061928A1 (de) 2008-12-15 2008-12-15 Organisch elektronische Schaltung
PCT/EP2009/008939 WO2010075953A1 (fr) 2008-12-15 2009-12-14 Circuit électronique organique

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EP2377157A1 true EP2377157A1 (fr) 2011-10-19

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EP09805681A Withdrawn EP2377157A1 (fr) 2008-12-15 2009-12-14 Circuit électronique organique

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US (1) US20110253989A1 (fr)
EP (1) EP2377157A1 (fr)
KR (1) KR20110099696A (fr)
CN (1) CN102318069B (fr)
DE (1) DE102008061928A1 (fr)
TW (1) TW201030963A (fr)
WO (1) WO2010075953A1 (fr)

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Publication number Publication date
US20110253989A1 (en) 2011-10-20
WO2010075953A1 (fr) 2010-07-08
WO2010075953A8 (fr) 2010-09-10
KR20110099696A (ko) 2011-09-08
DE102008061928A1 (de) 2010-06-17
TW201030963A (en) 2010-08-16
CN102318069B (zh) 2014-05-14
CN102318069A (zh) 2012-01-11

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