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EP1815293A1 - Composant electrochrome comportant un hydrogel rempli d'electrolyte - Google Patents

Composant electrochrome comportant un hydrogel rempli d'electrolyte

Info

Publication number
EP1815293A1
EP1815293A1 EP05811153A EP05811153A EP1815293A1 EP 1815293 A1 EP1815293 A1 EP 1815293A1 EP 05811153 A EP05811153 A EP 05811153A EP 05811153 A EP05811153 A EP 05811153A EP 1815293 A1 EP1815293 A1 EP 1815293A1
Authority
EP
European Patent Office
Prior art keywords
component
electrolyte
electrochromic
hydrogel
hydrogel matrix
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Withdrawn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
EP05811153A
Other languages
German (de)
English (en)
Inventor
Christoph Brabec
Hans-Dieter Feucht
Jens Hauch
Maria Sramek
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.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1815293A1 publication Critical patent/EP1815293A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
    • G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
    • G02F1/1525—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material characterised by a particular ion transporting layer, e.g. electrolyte
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1503—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F2001/164—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect the electrolyte is made of polymers

Definitions

  • Component 1 usually consists of three layers arranged as electrochromic cell 2: an ion storage layer 4, which can store or release ions, an electrolyte layer 5, which transports ions for oxidation or reduction, and an electrochromic layer 6, which arises as a result of Oxidation or reduction is discolored and consists, for example, of PEDOT (poly (3,4-ethylenedioxythiophene) or PANI (polyaniline))
  • the electrochromic component can have a first substrate 3 on which it is produced, and a second substrate 7, which acts as a sealant serves.
  • electrochromic devices thin and flexible, thin, mechanically stable electrolytes are needed. For some applications, such as displays, it is still necessary that these electrolytes are structurable.
  • the object of the invention is to provide a thin, mechanically stable and, if possible, also structurable electrolytic layer for electrochromic devices.
  • an electrical component or component in particular an electrochromic component, has a hydrogel matrix which is filled with electrolyte.
  • the hydrogel matrix is preferably completely filled with electrolyte, but may also be only partially filled with electrolyte.
  • the hydrogel matrix is advantageously designed as a layer, so that it functions as the electrolyte layer of the electrochromic component, and in particular is photostructured.
  • the component can be, for example, a display, in particular an electrochromic display.
  • the hydrogel matrix can be so photostructured that its structure corresponds to the pixel structure of the display.
  • a method for producing a component according to one of the previously described types can advantageously be designed analogously to the component and vice versa.
  • the process preferably uses a precursor of the hydrogel matrix which contains crosslinkable, hydrophilic polymers and / or monomers.
  • the precursor may contain polyvalent crosslinker molecules, monomers with adhesion-promoting groups, film-forming polymers and / or plasticizer molecules or consist of the substances mentioned and customary additives.
  • Figure 1 shows a layer structure of a simple electrochromic device
  • FIG. 2 shows the production of an electrochromic component with a large-area hydrogel-based electrolyte layer
  • FIG. 3 shows the production of an electrochromic component with a photo-structurable, hydrogel-based electrolyte layer.
  • a precursor of a hydrogel matrix as a solution is applied to a substrate applied.
  • the mixture contains crosslinkable, hydrophilic polymers, polyvalent crosslinker molecules and optionally monomers which additionally have adhesion-promoting groups to the substrate.
  • crosslinkable hydrophilic polymers it is also possible to use corresponding monomer mixtures.
  • Film-forming polymers and plasticizer molecules can be added to the mixture to improve the film-forming and processing properties.
  • the actual hydrogel matrix is subsequently produced by polymerization, the mechanical stability of the matrix being ensured by cross-linking.
  • the polymerization is preferably started by UV irradiation in the presence of a photoinitiator.
  • a photoinitiator e.g., UV irradiation
  • photoinitiator e.g., UV irradiation
  • the hydrogel matrix is filled with electrolytes. In this way, thin, mechanically stable electrolyte layers or structures result.
  • This approach additionally offers the advantage that many different solvents and conductive salts can be introduced into the layer.
  • FIG. 2 shows a production method for an electrochemical component with a hydrogel-based electrolyte layer.
  • a hydrogel precursor 8 is applied in solution to an ion storage layer 4, which is located on a substrate 3.
  • the hydrogel precursor 8 is crosslinked by heat or UV irradiation after removal of the solvent to form a hydrogel matrix 9.
  • the hydrogel matrix 9 is filled with electrolyte, so that a filled with electrolyte hydrogel matrix 10 is formed.
  • an electrochromic layer 6 and, subsequently, a substrate or sealing layer 7 are applied to the hydrogel matrix 10 filled with electrolyte.
  • FIG. 1 shows a production method for an electrochemical component with a hydrogel-based electrolyte layer.
  • step 300 a hydrogel precursor 8 is applied to an ion storage layer 4, which is located on a substrate 3, from the solution.
  • step 301 the hydrogel precursor 8 is selectively crosslinked after removal of the solvent by UV radiation. In this case, the hydrogel precursor 8 is exposed through a mask 11 selectively with UV light, so that areas of the hydrogel precursor 8 are each crosslinked to form a hydrogel matrix 9, while other unexposed areas remain uncrosslinked.
  • step 302 is developed, wherein the non-crosslinked Hydro ⁇ gelvorcut is removed.
  • step 303 the hydrogel matrix is filled with electrolyte to form an electrolyte-filled hydrogel matrix 10, and an electrochromic layer 6 and a substrate and / or sealing layer 7 are applied.
  • electrochromic display units with three layers. Important is the functionality of the layers. The absolutely necessary functionalities require the electrochromic dye and the electrolyte. These two components can also be mixed together, so that only a single layer with the complete
  • the hydrogel matrix can thus be used both in conjunction with the classical electrochromic displays described in the prior art, and with electrochromic devices based on ion-conducting polymers in which a redox group and a dye are applied directly to the electrolyte. coupled molecule. These are, for example, READ colors from DOW.
  • this second alternative differs from conventional electrochromic displays. in that here only lead electrodes, for example made of ITO (indium tin oxide), are required, since dye and electrolyte are combined with one another in one material.
  • the invention results in a hydrogel matrix with ionically conductive materials for electrochromic components as a thin, mechanically stable electrolyte layer, which can also be designed to be photo-patternable.

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

L'invention concerne un composant, notamment électrochrome, présentant une matrice d'hydrogel remplie d'électrolyte.
EP05811153A 2004-11-24 2005-11-16 Composant electrochrome comportant un hydrogel rempli d'electrolyte Withdrawn EP1815293A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004056763 2004-11-24
PCT/EP2005/056014 WO2006056550A1 (fr) 2004-11-24 2005-11-16 Composant electrochrome comportant un hydrogel rempli d'electrolyte

Publications (1)

Publication Number Publication Date
EP1815293A1 true EP1815293A1 (fr) 2007-08-08

Family

ID=35677633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05811153A Withdrawn EP1815293A1 (fr) 2004-11-24 2005-11-16 Composant electrochrome comportant un hydrogel rempli d'electrolyte

Country Status (2)

Country Link
EP (1) EP1815293A1 (fr)
WO (1) WO2006056550A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006128805A1 (fr) * 2005-05-31 2006-12-07 Siemens Aktiengesellschaft Matieres pour couches electrochromes
WO2006128809A1 (fr) * 2005-05-31 2006-12-07 Siemens Aktiengesellschaft Materiau destine a des couches electrochromes
CN108794686A (zh) * 2018-07-04 2018-11-13 长春工业大学 一种具有可逆电致变色透明水凝胶的制备方法
CN113970858A (zh) * 2021-11-01 2022-01-25 吉林省钜鸿智能技术有限公司 一种耐温差液晶显示屏

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083988B1 (fr) * 1982-01-11 1987-11-11 Seiko Instruments Inc. Dispositif d'affichage électrochromique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006056550A1 *

Also Published As

Publication number Publication date
WO2006056550A1 (fr) 2006-06-01

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