EP1925033A1 - Circuit electronique, et son procede de production - Google Patents

Circuit electronique, et son procede de production

Info

Publication number
EP1925033A1
EP1925033A1 EP06792048A EP06792048A EP1925033A1 EP 1925033 A1 EP1925033 A1 EP 1925033A1 EP 06792048 A EP06792048 A EP 06792048A EP 06792048 A EP06792048 A EP 06792048A EP 1925033 A1 EP1925033 A1 EP 1925033A1
Authority
EP
European Patent Office
Prior art keywords
layer
substrate
strip
shaped
electronic circuit
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Withdrawn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
EP06792048A
Other languages
German (de)
English (en)
Inventor
Andreas Ullmann
Alexander Knobloch
Merlin Welker
Walter Fix
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37433937&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1925033(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by PolyIC GmbH and Co KG filed Critical PolyIC GmbH and Co KG
Publication of EP1925033A1 publication Critical patent/EP1925033A1/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Withdrawn legal-status Critical Current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
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
    • 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
    • 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
    • H10K19/10—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 comprising field-effect transistors
    • 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]
    • H10K10/464—Lateral top-gate IGFETs comprising only a single gate
    • 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
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/10—Organic polymers or oligomers
    • H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
    • H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
    • H10K85/1135—Polyethylene dioxythiophene [PEDOT]; Derivatives thereof
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.

Definitions

  • the invention relates to an electronic circuit comprising at least two electronic components on a common flexible substrate, wherein the at least two electronic components each have at least one electrical functional layer of identical functional layer material.
  • the invention further relates to a method for producing an electronic circuit comprising at least two electronic components on a common flexible substrate, wherein the at least two electronic components are each formed with at least one electrical functional layer of identical functional layer material.
  • WO 2004/032257 A2 discloses a method for producing a film, wherein the film comprises at least one component in organic semiconductor technology, in particular one or more field-effect transistors.
  • the structuring of one or more layers of the device takes place by thermal replication or UV replication.
  • a layer applied over a large area, to be replicated is partially completely severed by the replication and a pattern-shaped electrical functional layer is formed.
  • a large-area layer application of the layer to be replicated is not necessary for reasons of space always possible and continues to lead to increased material consumption.
  • a speed of the substrate in the printing direction during printing of at least 0.5 m / min, preferably in the range of 5 to 200 m / min, is selected.
  • the individual electrical functional layers from which the electronic component is constructed must be formed one after the other and positioned one above the other in the correct position and arrangement according to a predetermined layout.
  • Characteristics and short response times of a device required to minimize the layer thicknesses of electrical functional layers.
  • the use of increasingly low-viscosity printing media is required.
  • the object is achieved for the electronic circuit comprising at least two electronic components on a common flexible substrate, wherein the at least two electronic components each have at least one electrical functional layer of identical functional layer material, achieved in that the electrical functional layers of identical functional layer material are formed from layer regions of a strip-shaped layer formed on the substrate.
  • the object is for the method for producing an electronic circuit comprising at least two electronic components on a common flexible substrate, wherein the at least two electronic components are each formed with at least one electrical functional layer of identical functional layer material, achieved in that at least one strip-shaped layer on the Substrate is formed and that the electrical functional layers are formed of identical functional layer material of layer regions of a single strip-shaped layer.
  • a stripe-shaped application of functional layer material on a substrate enables a space-saving and uniformly thick layer application with clean contours.
  • Such a prepared substrate which is provided with at least one strip-shaped layer of functional layer material, is versatile and individually adaptable to the respective desired electronic circuit.
  • the layer formed in strip form on the substrate is formed in a predetermined application direction in a continuous process on the substrate.
  • the layer formed on the substrate in the form of a strip is preferably a printed layer or a layer formed by application of a liquid medium to the substrate.
  • a printing process is used as the continuous process, in particular a printing process from the group of gravure, high-pressure, screen printing or as another process of coating (for example, knife coating, spin coating, spraying or ink jet printing) which applies a liquid medium to the substrate to form the at least one strip-shaped layer.
  • a printing tool is used which is unrolled on the substrate at least in regions.
  • printing tools for example, pressure rollers or flexible rubber tools such as tampons are suitable.
  • a pressure medium or liquid medium having a dynamic viscosity of less than 200 mPas, in particular less than 50 mPas, considered at a temperature of 20 ° C. is preferred.
  • Such low-viscosity media allow the formation of extremely thin electrical functional layers while improving the performance of the electronic device produced therewith.
  • a first electronic component of the at least two electronic components has a first electrical functional layer and a second electronic component of the at least two electronic components has a second electrical functional layer, wherein the first and the second electrical functional layer are formed of identical functional layer material, wherein the first and the second electrical functional layer are arranged on the substrate such that they are arranged one after the other in the application direction or next to one another.
  • the layer formed in strip form on the substrate is a semiconductive or an electrically insulating layer, in particular an organic semiconductive or an organic electrically insulating layer. But also an electrically conductive, optionally organic electrically conductive, strip-shaped layer can be used.
  • organic semiconductor material for example, polythiophene is suitable.
  • organic insulating material among other things, polyvinylphenol has been proven.
  • Inorganic semiconductor or insulating material can be vapor-deposited, sputtered or pastes containing semiconducting or electrically insulating inorganic particles, in particular nanoparticles, can be used.
  • the substrate It is particularly advantageous to form the substrate with a plurality of strip-shaped layers arranged parallel next to one another and formed from different functional layer materials.
  • the components required for the formation of the electronic circuit can be built therefrom.
  • the layer formed on the substrate may be discontinuous and / or subdivided into mutually independent layer regions, at least one through opening being visible over the cross section of the strip formed in strip form on the substrate is formed strip-shaped layer formed on the substrate. It has proven useful if the strip-shaped layer formed on the substrate is subdivided in the application direction and / or perpendicular to the application direction.
  • suitable methods for structuring the at least one strip-shaped layer the use of laser beam, embossing, cutting, grinding or scratching have proven successful.
  • the at least one opening in the strip-shaped layer formed on the substrate is formed as a via, via which an electrical contact between electrical functional layers is formed, which is perpendicular to the substrate plane (xy plane) seen above and below the strip formed on the substrate layer are.
  • a connection in the third dimension (z-plane) between functional layers is made possible.
  • an opening has a width in the range of 1 ⁇ m to 10 mm, preferably of 50 ⁇ m to 2 mm.
  • Such dimensions can be realized, for example, in low or high pressure using the method according to the invention with high accuracy.
  • Such widths ensure sufficient electrical separation of layer areas of a strip-shaped layer and furthermore a sufficient material absorption capacity (for example for receiving printing paste) in the formation of plated-through holes via such an opening.
  • At least one electronic component is designed as a transistor, in particular as a field-effect transistor.
  • the at least two electronic Components are each formed as field effect transistors, wherein the field effect transistors each having a semiconducting electrical functional layer of identical functional layer material, which are formed from layer regions of a strip-shaped on the substrate formed semiconductive layer and wherein the field effect transistors each have an electrically insulating electrical functional layer of identical
  • Functional layer material which are formed from layer regions of a strip-shaped on the substrate formed electrically insulating layer.
  • At least one electronic component is designed as a diode.
  • the at least two electronic components are each formed as diodes, wherein the diodes each have a semiconductive electrical functional layer of identical functional layer material, which are formed from layer regions of a strip-shaped on the substrate formed semiconducting layer.
  • At least one electronic component is designed as an ohmic resistance.
  • the at least two electronic components are each designed as ohmic resistors, wherein the resistors each have a functional layer of identical functional layer material, which are formed from layer regions of a strip-shaped layer formed on the substrate.
  • At least one electronic component is designed as a capacitor.
  • the at least two electronic components are each formed as capacitors, the capacitors each having an electrically insulating functional layer of identical functional layer material, which are formed from layer regions of a strip-shaped formed on the substrate electrically insulating layer.
  • the flexible substrate is formed band-shaped. At least in the formation of the at least one strip-shaped layer, the substrate can be easily transported from roll to roll.
  • the uncoated flexible substrate is wound onto a roll, the substrate is removed from the roll and guided, for example, through a printing press, thereby printed and finally wound up as a printed substrate onto a further roll. This allows the processing of long substrate tapes, wherein the positioning opposite the printing machine must be done only once at the beginning of a new substrate roll.
  • the at least one strip-shaped layer formed on the substrate is arranged parallel to a longitudinal side of the band-shaped substrate, that is, the application direction is arranged parallel to a longitudinal side of the band-shaped substrate.
  • a strip-shaped layer can be continuously formed on the substrate from the beginning of the roll to the end of the roll, thereby increasing the uniformity of the layer (in terms of layer thickness, width and surface roughness).
  • the flexible substrate may be multi-layered. It is particularly preferred if an elongated plastic film, which is optionally multi-layered, is used as the flexible substrate. Suitable are here For example, plastic films made of polyester, polyethylene, polyethylene terephthalate or polyimide. It is useful if a thickness of the flexible substrate in the range of 6 .mu.m to 200 .mu.m, preferably in the range of 12 .mu.m to 50 .mu.m, is selected.
  • Strip-shaped layer preferably 50 microns to 2000 microns.
  • the preferred distance between two adjacent and mutually parallel strip-like layers is 2000 microns to 50,000 microns.
  • the layers formed on the substrate in the form of strips at least in the substrate cross-section are arranged on the substrate in one plane and / or in different planes. As a result, three-dimensional circuits can be generated in a simple manner.
  • each one of the at least two electrical functional layers of the at least two components is formed by a structuring of a, thus shared by the at least two electronic components, strip-shaped layer.
  • a first electronic component of the at least two electronic components has a first electrical functional layer and wherein a second electronic component of the at least two electronic components has a second electrical functional layer, wherein the first and the second electrical functional layer are formed of identical functional layer material in which the first and the second electrical functional layer are arranged on the substrate in such a way that they are arranged successively or next to one another as seen in the application direction.
  • the layer formed on the substrate in the form of a strip is formed with a layer thickness in the range from ln to 300 ⁇ m, in particular in the range from lnm to 300 nm.
  • the at least two electronic components usually furthermore have electrically conductive, in particular organic or metallic, functional layers. These can be formed by means of printing, vapor deposition or sputtering (before or after the formation of strip-like layers) on the uncoated substrate or on an already coated substrate.
  • electrically conductive materials in particular conductive polymers or metals or metal alloys, for example, of vapor-deposited or sputtered gold or silicon, or conductive pastes with gold, silver or conductive inorganic nanoparticles in question.
  • conductive "organic” materials here all types of organic, organometallic and inorganic plastics are considered, which are referred to in English as "plastics".
  • a restriction in the dogmatic sense to organic Material as carbon-containing material is therefore not provided, but it is also intended to the use of, for example, silicones.
  • the term should not be subject to any restriction with regard to the molecular size, in particular to polymeric and / or oligomeric materials, but the use of "small molecules” is also possible.As the electrically conductive organic materials, polyaniline or polypyrrole have proven to be useful.
  • the electronic circuit is an organic circuit.
  • the electronic circuit has components which have only organic electrical functional layers and / or components which have organic and inorganic electrical functional layers.
  • FIGS. 1a to 7b are intended to illustrate the invention by way of example. So shows:
  • FIG. 1a shows a band-shaped substrate with four strip-shaped layers
  • FIG. 1 b shows a cross section through the substrate from FIG. 1 a
  • FIG. 2a shows a strip-shaped substrate with a strip-shaped layer
  • FIG. 2b shows the substrate from FIG. 2a after a laser treatment
  • FIG. 3 a shows a strip-shaped substrate with a strip-shaped layer
  • FIG. 3b shows the substrate from FIG. 3a after a laser treatment
  • 4a shows a belt-shaped substrate with a strip-shaped layer and other electrical
  • FIG. 4b shows a cross section through the substrate from FIG. 4a
  • FIG. 5a shows a band-shaped substrate with a subdivided, strip-shaped layer and further strip-shaped electrical functional layers
  • FIG. 5b shows a longitudinal section through the substrate from FIG. 5a.
  • FIG. 6a shows a band-shaped substrate with a subdivided, strip-shaped layer and a further strip-shaped layer
  • FIG. 6b shows a cross section through the substrate from FIG. 6a
  • Figure 7a shows a detail of an electronic circuit in plan view
  • Figure 7b shows a cross section through the circuit of Figure 7a.
  • FIG. 1a shows a flexible band-shaped substrate 1 made of PET with four strip-shaped layers 2a, 2b, 2c, 2d, which are arranged longitudinally on the band-shaped substrate 1 and parallel to one another.
  • the four strip-shaped layers 2a, 2b, 2c, 2d are printed on the substrate 1 in the gravure printing method, the arrow indicating the direction of printing on the left in FIG. 1a.
  • the four stripe-shaped layers 2a, 2b, 2c, 2d are applied parallel to the printing direction over the entire length of the substrate 1.
  • the strip-shaped layer 2a is organic and electrically conductive
  • the strip-shaped layer 2b is organic and semiconducting
  • the strip-shaped layer 2c is again organic and electrically conductive
  • the strip-shaped layer 2d is formed organic and electrically insulating.
  • the strip-shaped layers 2a, 2b, 2c, 2d are now used either in unchanged form or in a structured form as electrical functional layers for constructing electronic components.
  • the strip-shaped application of the functional layer material by means of a printing medium results in a particularly uniform layer thickness and contour of the later functional layers of the electronic components.
  • FIG. 1 b shows the cross-section A - A 'through the substrate 1 and the four strip-shaped layers 2 a, 2 b, 2 c, 2 d from FIG. 1 a.
  • FIG. 2 a shows a flexible band-shaped substrate 1 with a strip-shaped layer 2 b of organic semiconductive functional layer material, here polythiophene.
  • the strip-shaped layer 2 b is printed longitudinally on the substrate 1, wherein the arrow on the left in the image
  • Layer regions 3a of the strip-shaped layer 2b oriented in the longitudinal direction of the substrate 1 are characterized in which, after formation of the strip-shaped layer 2b, a cut is to take place by means of a laser in order to provide the strip-shaped layer 2b with openings 4a (see FIG. 2b).
  • FIG. 2b now shows the substrate 1 and the strip-shaped layer 2b from FIG. 2a after the laser treatment, wherein the strip-shaped layer 2b has been divided into three strips which are parallel and separated from one another in the longitudinal direction of the substrate 1.
  • the three strip-shaped layers 2b are now used, if appropriate after further structuring, as electrical functional layers for constructing electronic components.
  • the strip-shaped application of the functional layer material by means of a printing medium results in a particularly uniform layer thickness and contour of the later functional layers of the electronic components.
  • FIG. 3a likewise shows a flexible strip-shaped substrate 1 with a strip-shaped layer 2b made of organic semiconductive functional layer material, here polythiophene.
  • the strip-shaped layer 2 b is printed longitudinally on the substrate 1, wherein the arrow on the left in the image Order direction designated.
  • Layer regions 3b oriented in the transverse direction of the substrate 1 are marked in the strip-shaped layer 2b, in which, after formation of the strip-shaped layer 2b, a cut should be made by means of a laser in order to provide the strip-shaped layer 2b with openings 4b (see FIG. 3b).
  • FIG. 3b now shows the substrate 1 and the strip-shaped layer 2b from FIG. 3a after the laser treatment, the strip-shaped layer 2b being divided into three strips which are parallel and separated from one another in the transverse direction of the substrate 1.
  • the three strip-shaped layers 2b are now used, if appropriate after further structuring, as electrical functional layers for constructing electronic components.
  • the strip-shaped application of the functional layer material by means of a printing medium results in a particularly uniform layer thickness and contour of the later functional layers of the electronic components.
  • FIG. 4 a shows a flexible strip-shaped substrate 1 made of PET with a printed, organic semiconducting and strip-shaped layer 2 b, here of polythiophene, and further, electrically conductive functional layers 5 a, 5 b of sputtered gold.
  • the functional layer 5b of gold was formed directly on the substrate 1, the strip-shaped layer 2b printed longitudinally on the strip-shaped substrate 1 and finally the functional layer 5a formed from gold.
  • a unit of electrically conductive functional layers 5a, 5b and arranged therebetween Organic semiconducting layer 2b each forms a diode.
  • a strip-shaped electrically insulating layer could optionally be arranged between the organic semiconductive layer 2 b and the electrically conductive functional layer 5 a
  • Region between the organic semiconductive layer 2b and the electrically conductive functional layer 5b has a via or an opening. Direct contact between the organic semiconductive layer 2b and the electrically conductive functional layer 5a is possible via the via.
  • FIG. 4b shows the cross section B - B 'through the substrate 1 and the layers 5a, 2b, 5b arranged thereon from FIG. 4a in the region of a diode. It can be seen that the electrically conductive functional layers 5a, 5b of gold, which form electrodes here, overlap in the region of the strip-shaped layer 2b. Thus, through each unit consisting of a functional layer 5b, the stripe-shaped layer 2b is placed over the functional layer 5b and over it
  • FIG. 4a two diode units can be seen.
  • the electrodes 5a, 5b still have to be contacted in accordance with conductor tracks in order to realize an interconnection of the components with one another.
  • FIG. 5a shows a flexible strip-shaped substrate 1 with a strip-shaped layer 2d made of electrically insulating functional layer material, here polyvinylphenol.
  • a strip-shaped layer 2 a of electrically conductive functional layer material is formed in regions in the longitudinal direction, here by printing.
  • the strip-shaped layer 2 a of electrically conductive functional layer material is further overprinted with a strip-shaped layer 2 d of electrically insulating functional layer material, which is formed over the entire length of the substrate 1.
  • an opening 4 b is formed perpendicular to the longitudinal direction of the substrate 1.
  • the two strip-shaped layers 2c are simultaneously formed by printing, which are likewise formed from electrically conductive functional layer material.
  • an electrically conductive connection is formed between the strip-shaped layer 2a and the strip layer 2c arranged on the left (see also FIG. 5b). Accordingly, the opening 4b functions as a so-called via, which enables a three-dimensional interconnection of electrical functional layers.
  • FIG. 5b shows the longitudinal section C - C through the substrate 1 from FIG. 5a in order to illustrate the formation of the electrically conductive connection in the region of the via.
  • FIG. 6 a shows a flexible strip-shaped substrate 1 made of PET with a strip-shaped layer 5 a, which is subdivided several times by laser, made of electrically conductive functional layer material, here polyaniline or gold.
  • electrically conductive functional layer material here polyaniline or gold.
  • rectilinearly extending openings 4b and meandering openings 4c were formed and two further strip-shaped layers, once a non-illustrated semiconducting layer 2b and further a layer 2d of electrically insulating functional layer material, here polyvinylphenol, formed above.
  • the Layer regions of the strip-shaped layer 5a before and after a meander-shaped opening 4c, and the strip-shaped layers 2b, 2d arranged above the meander form a separate unit which forms a resistance.
  • the leakage current of the semiconductor causes the resistance.
  • two resistance units can be seen in FIG. 6a.
  • FIG. 6b shows the cross section D - D 'through the substrate 1 from FIG. 6a, the semiconducting layer 2b being visible between the strip-shaped layer 5a and the electrically insulating layer 2d.
  • FIG. 7a shows a detail of an electrical circuit, in this case a ring oscillator circuit, in plan view.
  • electrically conductive functional layers 2 a On a substrate 1 there are electrically conductive functional layers 2 a, which are covered by a thin, fully applied organic semiconductive functional layer 2 b.
  • organic, semiconductive functional layer 2b On the organic, semiconductive functional layer 2b there is an electrically insulating functional layer 2d applied over the entire area and in strips, which has an opening 4b in the region in which the section E-E 'is laid, which was subsequently formed with a laser.
  • electrically insulating layer 2d On the electrically insulating layer 2d is another electrically conductive layer 2c, which is strip-shaped.
  • the electrically conductive layer 2c In the region of the opening in the electrically insulating layer 2d is the electrically conductive layer 2c in each case in contact with the electrically conductive functional layer 2a, after the semiconductive layer 2b is made so thin that an electrical contact or a short circuit between the conductive layers 2a and 2c is formed in the region of this opening.
  • the electrically conductive layer 2 a, the semiconducting layer 2 b, the electrically insulating layer 2 d and the electrically conductive layer 2 c are arranged one above the other and also in the region of the comb structures within the electrically conductive layer 2 a, one is in each case organic Field effect transistor formed.
  • FIGS 1 a to 7 b are merely illustrative of the inventive concept. On this basis, the person skilled in the art will readily be able to find further electronic circuits and application examples for which layers applied in strips to a substrate can be used without departing from the invention. So should the figures Ia to 7b no

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Film Transistor (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

L'invention concerne un circuit électronique, ainsi qu'un procédé pour produire un circuit électronique comprenant au moins deux composants électroniques sur un substrat souple commun. Selon l'invention, lesdits composants électroniques comportent respectivement au moins une couche fonctionnelle électrique qui est constituée d'un matériau de couche fonctionnelle identique. Les couches fonctionnelles électriques sont constituées d'un matériau de couche fonctionnelle identique, ainsi que de zones d'une couche ménagée sur le substrat sous la forme de bandes.
EP06792048A 2005-09-16 2006-09-13 Circuit electronique, et son procede de production Withdrawn EP1925033A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005044306A DE102005044306A1 (de) 2005-09-16 2005-09-16 Elektronische Schaltung und Verfahren zur Herstellung einer solchen
PCT/EP2006/008930 WO2007031303A1 (fr) 2005-09-16 2006-09-13 Circuit electronique, et son procede de production

Publications (1)

Publication Number Publication Date
EP1925033A1 true EP1925033A1 (fr) 2008-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06792048A Withdrawn EP1925033A1 (fr) 2005-09-16 2006-09-13 Circuit electronique, et son procede de production

Country Status (6)

Country Link
US (1) US8315061B2 (fr)
EP (1) EP1925033A1 (fr)
KR (1) KR20080045247A (fr)
CN (1) CN101263602B (fr)
DE (1) DE102005044306A1 (fr)
WO (1) WO2007031303A1 (fr)

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CN101263602B (zh) 2011-06-22
DE102005044306A1 (de) 2007-03-22
WO2007031303A1 (fr) 2007-03-22
US20120057311A9 (en) 2012-03-08
CN101263602A (zh) 2008-09-10
US20100214748A1 (en) 2010-08-26
US8315061B2 (en) 2012-11-20

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