WO2018052216A1 - Électrode destinée à un dispositif électrochromique et dispositif électrochromique comprenant ladite électrode - Google Patents

Électrode destinée à un dispositif électrochromique et dispositif électrochromique comprenant ladite électrode Download PDF

Info

Publication number
WO2018052216A1
WO2018052216A1 PCT/KR2017/009736 KR2017009736W WO2018052216A1 WO 2018052216 A1 WO2018052216 A1 WO 2018052216A1 KR 2017009736 W KR2017009736 W KR 2017009736W WO 2018052216 A1 WO2018052216 A1 WO 2018052216A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
electrode
electrochromic device
bus electrode
disposed
Prior art date
Application number
PCT/KR2017/009736
Other languages
English (en)
Korean (ko)
Inventor
채윤근
권기영
배석
이인회
류지창
박진경
Original Assignee
엘지이노텍 주식회사
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
Priority claimed from KR1020160118240A external-priority patent/KR102622550B1/ko
Priority claimed from KR1020170075834A external-priority patent/KR102369920B1/ko
Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to CN201790001232.6U priority Critical patent/CN209657051U/zh
Publication of WO2018052216A1 publication Critical patent/WO2018052216A1/fr

Links

Images

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
    • G02F1/153—Constructional details
    • G02F1/155—Electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys

Definitions

  • the present invention relates to an electrochromic device, and more particularly to an electrode included in the electrochromic device.
  • Electrochromism is a phenomenon in which the color is reversibly changed depending on the electric field direction when a voltage is applied.
  • An electrochromic material is a material whose reversible optical properties can be changed by an electrochemical redox reaction having such characteristics. .
  • the electrochromic material does not have a color when no electric signal is applied from the outside and becomes colored when the electric signal is applied, or conversely when the signal is not applied from the outside, the electric signal is applied. When the color disappears.
  • Electrochromic device is a device that uses the phenomenon that the light transmittance of electrochromic material is changed by electrochemical redox reaction. It is used to control the light transmittance or reflectivity of building window glass or automobile mirror. As well as the color change of the light source, it is known that it has an infrared ray blocking effect.
  • the present invention has been made in an effort to provide an electrochromic device and an electrode thereof.
  • An electrochromic device includes a first substrate, a first electrode layer disposed on the first substrate, a color change material layer disposed on the first electrode layer, an electrolyte layer disposed on the color change material layer, and the electrolyte.
  • a second electrode layer disposed on the layer, and a second substrate disposed on the second electrode layer, disposed between the first substrate and the first electrode layer, or disposed between the first electrode layer and the color change material layer.
  • a third electrode layer is further included, wherein the third electrode layer includes a resin layer and a bus electrode partially surrounded by the resin layer, wherein the bus electrode contacts the first electrode layer.
  • the electrical resistance of the bus electrode may be lower than the electrical resistance of the first electrode layer.
  • the bus electrode may include at least one of copper (Cu), nickel (Ni), and silver (Ag).
  • the depth of the bus electrode may be smaller than the height of the resin layer.
  • the height of the resin layer may be 10 ⁇ m to 300 ⁇ m.
  • the bus electrode may have a depth of 5 ⁇ m to 250 ⁇ m.
  • the resin layer may cover an exposed area of the bus electrode.
  • the thickness of the first electrode layer may be 300 nm to 1000 nm.
  • the bus electrode may occupy an area of 0.4 to 10% per unit area.
  • the ratio T / W of the thickness T to the width W of the bus electrode may be 0.02 or more.
  • the bus electrode may have a shape in which a plurality of lines are arranged in parallel.
  • the bus electrode may be arranged in a lattice shape.
  • the resin layer may include a silicon-based polymer.
  • Functional fillers may be dispersed in the resin layer.
  • the functional filler may comprise a UV stabilizer.
  • the first electrode layer and the second electrode layer may include at least one of indium tin oxide (ITO), indium zinc oxide (IZO), and fluorine tin oxide (FTO).
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • FTO fluorine tin oxide
  • the display device may further include an insulating layer disposed between the bus electrode and the first electrode layer.
  • the bus electrode is a seed layer comprising at least one of CuO, Cu 2 O, Ni and Cr, a metal layer disposed on the seed layer and comprising at least one of Cu, Ag, Au, Ni and Cr, and on the metal layer And a passivation layer disposed at and including at least one of Au and Ag.
  • a method of manufacturing an electrochromic device includes coating a resin layer on a first substrate, curing the resin layer, and forming a pattern in an intaglio on the cured resin layer. Filling an electrode material in a pattern formed of the resin layer, forming an ITO layer on the resin layer, forming a color change material layer on the ITO layer, disposing an electrolyte layer and an ion storage layer on the color change material layer, And disposing a second substrate having an ITO layer formed on the ion storage layer.
  • an electrochromic device having a thin color and high discoloration rate can be obtained.
  • the electrode of the electrochromic device according to the embodiment of the present invention can obtain an electrochromic device having high reliability and durability despite repeated driving.
  • 1 is a cross-sectional view of an electrochromic device.
  • FIG. 4 is a cross-sectional view of an electrochromic device according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of manufacturing an electrochromic device according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of an electrochromic device according to another embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of an electrochromic device according to still another embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of an electrochromic device according to still another embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of an electrochromic device according to another embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of an example of a bus electrode included in the electrochromic device according to the exemplary embodiment of FIG. 10.
  • FIG. 12 is a view for explaining a method of forming the bus electrode of FIG.
  • FIG. 13 is a cross-sectional view of another example of a bus electrode included in the electrochromic device according to the exemplary embodiment of FIG. 10.
  • FIG. 14 is a view for explaining a method of forming the bus electrode of FIG.
  • 16 illustrates various embodiments of a seed layer included in a pad part and a bus electrode.
  • FIG. 17 is a plan view illustrating an example in which an electrochromic device according to an embodiment of the present invention is applied to an ESL
  • FIG. 18 is a cross-sectional view of a portion of FIG. 17.
  • FIG 19 shows an electrochromic device including an electrochromic device according to an embodiment of the present invention.
  • 20 is a diagram illustrating an electron shelf label system to which an electrochromic device is applied according to an exemplary embodiment of the present invention.
  • ordinal numbers such as second and first
  • first and second components may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.
  • each layer, region, pattern, or structure may be “under” or “under” a substrate, each layer (film), region, pad, or pattern.
  • the substrate to be formed in includes all formed directly or through another layer. Criteria for the top / bottom or bottom / bottom of each layer will be described with reference to the drawings.
  • the thickness or size of each layer (film), region, pattern or structures in the drawings may be modified for clarity and convenience of description, and thus do not necessarily reflect the actual size.
  • 1 is a cross-sectional view of an electrochromic device.
  • the electrochromic device 100 may face each other between the first substrate 110 and the second substrate 120, the first substrate 110, and the second substrate 120 disposed to face each other.
  • the color change material layer 150, the ion storage layer 160, and the electrolyte layer disposed between the first electrode layer 130 and the second electrode layer 140, the first electrode layer 130, and the second electrode layer 140.
  • the first electrode layer 130 and the second electrode layer 140 are connected to the first terminal portion 20 and the second terminal portion 22 having different polarities, respectively, and are powered from the first terminal portion 20 and the second terminal portion 22.
  • the sealing part 190 may be further disposed on side surfaces of the color change material layer 150, the ion storage layer 160, and the electrolyte layer 170.
  • the sealing material may be mixed with a dam.
  • the color change material layer 150 and the electrolyte layer 170 are illustrated as being separated from each other, the present invention is not limited thereto, and the color change material layer 150 and the electrolyte layer 170 may be dispersed in the electrolyte layer 170.
  • the color change material layer 150 is illustrated as being disposed only on the first electrode layer 130 side, it is not limited thereto, and may also be disposed on the second electrode layer 140 side.
  • the first substrate 110 and the second substrate 120 is a transparent substrate having a transmittance (T%) of 98% or more, and may be glass or plastic.
  • the color change material layer 150 may include a conductive polymer and a non-conductive material selected from organic and inorganic materials.
  • the conductive polymer may be a derivative of the conductive polymer and the monomer polymerized with monomers of polyaniline, polypyrrole, and polythiophene, which are capable of oxidation / reduction.
  • the nonconductive material may include an aromatic compound capable of oxidation / reduction reaction.
  • an aromatic compound capable of oxidation / reduction reaction.
  • internal electron transfer of chemicals such as bisterpyridine derivatives including viologen, biphenyl derivatives, and thiophene derivatives is possible, and color changes depending on oxidation / reduction status May be possible organic matter.
  • the color change material layer 150 may be selected from the group consisting of tungsten oxide, molybdenum oxide, titanium oxide, and vanadium oxide, but is not limited thereto. It is not.
  • the color change material layer may be formed in the form of a multilayer thin film.
  • the ion storage layer 160 may be selected from the group consisting of ion conductive polymers such as acryllamidopropane sulfonic acid and acrylic acid, but is not limited thereto.
  • the color change material layer 150 includes the first color change material and the ion storage layer 160 includes the second color change material
  • the color change material layer 150 is referred to as a first color change material layer
  • the ion storage layer ( 160 may be referred to as a second color change material layer.
  • At least one of the first electrode layer 130 and the second electrode layer 140 may include a transparent electrode, and the transparent electrode may be indium tin oxide (ITO), indium zinc oxide (IZO), and fluorine tin oxide (FTO). , Ag (Silver), and Al (Alluminium) may include one.
  • at least one of the first electrode layer 130 and the second electrode layer 140 may be replaced with a bus electrode or a bus electrode may be further disposed on the transparent electrode.
  • the bus electrode may include, for example, at least one of copper (Cu), nickel (Ni), and silver (Ag), and may have a lattice shape, a shape including a plurality of parallel lines, or an amorphous mesh shape. Can be.
  • the bus electrode may be made of a metal having higher electrical conductivity and lower resistance than the transparent electrode.
  • the bus electrode may be mixed with a conductive electrode, a conductive pattern, a conductive electrode, a conductive pattern, a metal electrode, a metal pattern, a wiring electrode, an auxiliary electrode, a metal wiring electrode, and the like.
  • the layer including the bus electrode may be referred to as a third electrode layer.
  • Bus electrodes according to embodiments of the invention are illustrated in FIGS. 2 and 3.
  • FIG. 2 an example in which a plurality of parallel electrodes parallel to a plurality of vertical electrodes parallel to each other are disposed in a substantially perpendicular shape is not limited thereto.
  • An angle ⁇ between the plurality of parallel horizontal electrodes and the plurality of vertical electrodes parallel to each other may be 45 ° to 135 °. Moire can be prevented when the angle ⁇ between the plurality of parallel horizontal electrodes and the plurality of vertical electrodes parallel is within this numerical range.
  • the plurality of horizontal electrodes or the plurality of vertical electrodes may not be parallel to each other, or may be disposed randomly.
  • the mesh-shaped metal electrode may include a mesh line LA and a mesh opening OA between the mesh lines LA.
  • the mesh opening OA may be formed in various shapes.
  • the mesh opening OA may be polygonal or circular in shape, such as square, diamond, pentagon, and hexagon.
  • the mesh opening OA may be a regular shape or a random shape.
  • the intersection C of the mesh opening OA may be inclined to have a predetermined slope, or may be bent to have a predetermined curvature. According to this, the current flow is prevented from being concentrated at the corners of the intersections C, thereby preventing deterioration of the metal electrode and smoothly flowing the current on the surface of the metal electrode.
  • the metal electrode 180 when the metal electrode 180 has a mesh shape, visibility of the electrochromic device may be improved, and sheet resistance may be lowered. Accordingly, even if the electrochromic device is implemented in a large area, stability, response speed, and color fading uniformity can be maintained, and reliability can be corrected.
  • the mesh-shaped metal electrode 180 may be formed in an embossed or intaglio manner.
  • the bus electrode per unit area of the bus electrode may actually occupy an area of 0.4% to 10%.
  • the area actually occupied by the bus electrodes in 1010cm 2 may be a 0.4 to 10cm 2
  • the area actually occupied by the bus electrodes in the 1010mm 2 may be from 0.4 to 10mm 2. If the area actually occupied by the bus electrode is less than 0.4%, the effect as a bus wiring may be insignificant. In addition, when the area actually occupied by the bus electrode exceeds 10%, the visibility decreases.
  • the several parallel wiring is taken as an example.
  • the width W of one of the plurality of parallel wires can be implemented in the range of 10 ⁇ m to 3000 ⁇ m, wherein the plurality of lines have a distance between the lines D1 and D2 of 50 ⁇ m to 100,000 ⁇ m from each other. Can be arranged. In this case, the distances D1 and D2 between the plurality of lines may be the same or different from each other, and the ratio D / W of the distance D between the widths W may be 5 to 1000.
  • the cross-sectional area of the metal wiring should be 20 ⁇ m 2 or more, and visibility is ensured when the ratio T / W of the thickness T to the line width of the wiring is 0.02 or more. If the line width is smaller than 10 mu m, the line resistance is high, and if the line width is larger than 3000 mu m, the visibility is lowered.
  • the plurality of wires may be curved as well as straight, or may be disposed spaced apart from each other at the same interval or at different intervals.
  • FIG. 4 is a cross-sectional view of a portion of an electrochromic device according to an embodiment of the present invention.
  • the electrochromic device 100 includes a first substrate 110, a resin layer 180 disposed on the first substrate 110, a bus electrode 182 disposed on the resin layer 180, and a bus.
  • the first electrode layer 130 disposed on the electrode 182, the color change material layer 150 disposed on the first electrode layer 130, the electrolyte layer 170 disposed on the color change material layer 150, and the electrolyte layer 170.
  • An ion storage layer 160 disposed above, a second electrode layer 140 disposed on the ion storage layer 160, and a second substrate 120 disposed on the second electrode layer 140 are included.
  • the first electrode layer 130 may be a transparent electrode having a transmittance of 95% or more.
  • the resin layer 180 disposed on the first substrate 110 may use a transparent resin having a transmittance of 95% or more.
  • the resin layer 180 may surround a portion of the bus electrode 182, and the bus electrode 182 may contact one surface of the first electrode layer 130.
  • the first electrode layer 130 may be a transparent electrode.
  • the resin layer 180 and the bus electrode 182 may be disposed on a polyethylene terephthalate (PET) film (not shown).
  • PET film is a flexible transparent film and may support the resin layer 180, the bus electrode 182, and the first electrode layer 130 without affecting the discoloration of the electrochromic device 100.
  • the thickness of the PET film may be 10 to 300 ⁇ m, preferably 50 to 200 ⁇ m, more preferably 100 to 150 ⁇ m.
  • the PET film may be a component included in the first substrate 110 or a separate component disposed between the first substrate 110 and the resin layer 180.
  • a layer including the resin layer 180 and the bus electrode 182 may be referred to as a third electrode layer.
  • the bus electrode 182 may be disposed in a lattice shape or a plurality of straight lines parallel to each other, and may also be a mesh having an amorphous shape.
  • the bus electrode 182 may include at least one of copper (Cu), nickel (Ni), and silver (Ag).
  • the bus electrode 182 may have a higher conductivity and a faster discoloration rate by using a metal having higher conductivity and lower resistance than the first electrode layer 130 which is a transparent electrode.
  • the surface resistance of the copper wiring may range from 1 mPa / sq to 50 mPa / sq, specifically 20 mPa / sq to 40 mPa / sq. It can have
  • the width W of the plurality of parallel vertical electrodes or the plurality of parallel horizontal electrodes is 0.1 to 100 ⁇ m, preferably 1 to 50 ⁇ m, more preferably 10 To 30 ⁇ m, and the spacing, ie, pitch (P), may be 0.1 to 100 mm, preferably 1 to 50 mm, more preferably 10 to 20 mm.
  • the cross-sectional area of the bus electrode 182 should be 20 ⁇ m 2 or more, and visibility is ensured when the ratio of the thickness to the line width of the bus electrode 182 is 0.02 or more. If the line width is smaller than 10 mu m, the line resistance is high, and if the line width is larger than 3000 mu m, the visibility is lowered.
  • the ratio of the spacing to the width of the metal wiring 1322 may be 5 to 1000.
  • the bus electrode 182 may have an area of 0.4% to 10% per unit area, including when the shape of the bus electrode 182 is in the form of a line, a lattice, or an amorphous mesh.
  • the area of the bus electrode 182 is less than 0.4%, the effect as the bus wiring may be insignificant.
  • the area of the bus electrode 182 exceeds 10%, the visibility decreases.
  • the present invention is not limited thereto, and may be variously modified according to the required color change speed and the scale of the application.
  • the visibility of the electrochromic device can be improved by adjusting the width and pitch of the bus electrode 182.
  • the bus electrode 182 may be partially included in the resin layer 180.
  • the resin layer 180 may include a polymer resin, and the polymer resin may be, for example, a silicone-based polymer resin.
  • the height H1 of the resin layer 180 may be greater than the height h1 of the bus electrode 182. Accordingly, the resin layer 180 can stably embed and support the bus electrode 182. For example, when the height h1 of the bus electrode 182 is 5 to 250 ⁇ m, the height H1 of the resin layer 180 may be 10 to 300 ⁇ m.
  • the functional filler F may be dispersed in the resin layer 180.
  • the functional filler F may be a UV stabilizer, for example.
  • the UV stabilizer may include, for example, at least one of hydroxy benzophonone and hydroxyphenyl benzotriazole.
  • Such UV stabilizers can absorb ultraviolet light or dissipate free radicals that are degraded by ultraviolet light. Accordingly, when the UV stabilizer is dispersed in the resin layer 180, the electrochromic device 100 may be prevented from being deformed by ultraviolet rays.
  • the discoloration material layer 150 of the electrochromic device 100 includes a material susceptible to UV, such as viologen, the decomposition of the viologen is prevented to improve the durability of the electrochromic device 100. You can.
  • the transparent electrode which is the first electrode layer 130, may include at least one of indium tin oxide (ITO), indium zinc oxide (IZO), and fluorine tin oxide (FTO). Accordingly, in the present specification, the transparent electrode may be mixed with an ITO layer, an ITO electrode, an ITO transparent electrode, and the like. In this case, the first electrode layer 130 may passivate the bus electrode 182. That is, the problem that the bus electrode 182 is oxidized by the repeated driving of the electrochromic device 100 can be prevented, thereby improving the durability of the electrochromic device 100.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • FTO fluorine tin oxide
  • the first electrode layer 130 may have a thickness of 300 to 1000 nm.
  • the thickness of the first electrode layer 130 is less than 300 nm, the effect of passivating the bus electrode 182 is reduced.
  • the thickness of the first electrode layer 130 is greater than 1000 nm, cracks occur due to the rigid characteristics of the first electrode layer 130, or light transmittance. This can be degraded.
  • FIG. 5 is a result of specifying light transmittance of an electrochromic device in which an ITO transparent electrode having a thickness of 300 nm is disposed at a position of a first electrode layer.
  • an electrochromic device After placing a resin layer containing a part of the bus electrode on the substrate, 300 nm thick ITO was disposed thereon to prepare an electrochromic device, and the light transmittance was measured.
  • the light transmittance was stably measured in the embodiment in which the thickness of the first electrode layer 130 was 300 nm, but the light transmittance was not measured in the embodiment in which the thickness of the first electrode layer 130 was 100 nm. From this, it can be seen that the first electrode layer 130, that is, the transparent electrode in one embodiment of the present invention should be formed to a thickness of 300 nm or more.
  • Such an electrochromic device may be manufactured in the order of FIG. 6.
  • 6 is a method of manufacturing an electrochromic device according to an embodiment of the present invention.
  • a PET film is prepared (S600), and a resin is coated on the PET film (S610).
  • the coated resin layer can be cured.
  • an intaglio pattern is formed in the cured resin layer (S620).
  • the negative pattern can be formed by the mold and then cured by UV.
  • metal wirings are formed in the intaglio pattern (S630).
  • the metal wiring can be done by filling an intaglio pattern with at least one of the electrode material, for example copper, nickel and silver, followed by irradiating IR (InfraRed) light.
  • the position between the first electrode layer 130 and the resin layer 180 may be changed.
  • FIG. 7 is a cross-sectional view of a part of an electrochromic device according to another embodiment of the present invention
  • FIG. 8 is a cross-sectional view of a part of an electrochromic device according to another embodiment of the present invention.
  • the same contents as those of FIGS. 1 to 6 will be omitted.
  • the first electrode layer 130 may be a transparent electrode, and the resin layer 180 and the bus electrode 182 may be disposed on the first electrode layer 130.
  • the bus electrode 182 may be at least partially embedded in the resin layer 180 and may contact the color change material layer 150. Accordingly, the bus electrode 182 may be disposed in a shape surrounded by the resin of the resin layer 180.
  • the contact area between the color change material layer 150 and the bus electrode 182 may be maximized and the color change speed of the color change material layer 150 may be increased. have.
  • the discoloration material layer 150 is bisterpyridine including tungsten oxide, molybdenum oxide, titanium oxide, vanadium oxide, and viologen. (bisterpyridine) derivatives, biphenyl derivatives, thiophene derivatives may be selected from the group consisting of organic materials, but is not limited thereto.
  • the UV stabilizer may be dispersed in the resin layer 180.
  • UV stabilizers may include, for example, at least one of hydroxy benzophonone and hydroxyphenyl benzotriazole, which UV stabilizers are free to absorb ultraviolet light or degrade by ultraviolet light. Can extinguish radicals. Accordingly, when the UV stabilizer is dispersed in the resin layer 180, it is possible to prevent the decomposition of the viologen to improve the durability of the electrochromic device 100.
  • a passivation layer 184 may be further formed on the bus electrode 182.
  • the passivation layer 184 may prevent the bus electrode 182 from being oxidized, prevent the bus electrode 182 from being shorted by contact with another electrode layer disposed to face each other by an external force, and may improve visibility.
  • the passivation layer 184 may include at least one of indium tin oxide (ITO), fluorine tin oxide (FTO), metal oxide, carbon, and an insulating material.
  • the passivation layer 184 includes a metal oxide
  • the metal oxide may include, for example, nitrous oxide (Cu 2 O) or copper oxide (CuO).
  • Cu 2 O nitrous oxide
  • CuO copper oxide
  • the insulating material may be, for example, an epoxy resin, and the epoxy resin may be a UV curable resin.
  • the bus electrode may be further disposed on the second electrode layer 140 side.
  • the bus electrode may be disposed on a surface of the second electrode layer 140 facing the second substrate 120.
  • the bus electrode may be partially embedded in the resin layer so as to be symmetrical with the side of the first electrode layer 130.
  • a bus electrode having a different structure from that of the first electrode layer 130 may be disposed on the side of the second electrode layer 140.
  • FIG. 9 is a cross-sectional view of an electrochromic device according to still another embodiment of the present invention.
  • an electrochromic device may include a first substrate 110 and a second substrate 120, and a first substrate 110 and a second substrate 120 disposed to face each other.
  • the first color change material layer 152 and the second color change material layer 154 disposed to face each other between the first electrode layer 130 and the second electrode layer 140, the first electrode layer 130, and the second electrode layer 140.
  • An electrolyte layer 170 may be further disposed between the first electrode layer 130 and the second electrode layer 140.
  • first electrode layer 130 and the second electrode layer 140 are disposed.
  • Bus electrodes may be further disposed on the electrode layers 140.
  • the first electrode layer 130 is disposed on the first substrate 110, the resin layer 180 disposed on the first substrate 110, the resin layer 180, and the resin layer 180.
  • the second substrate 120, the second electrode layer 140, and the bus electrode 182 are sequentially disposed toward the first electrode layer 130, and the second electrode layer 140 is disposed.
  • the second color change material layer 154 may be disposed on the exposed area, that is, the side of the bus electrode 182.
  • the bus electrode 182 may be referred to as an auxiliary electrode.
  • an oxide layer 184 may be further formed on the surface of the bus electrode 182.
  • the oxide layer 184 may passivate the bus electrode 182 and may prevent oxidation of the bus electrode due to frequent driving of the electrochromic device.
  • the surface where the bus electrode 182 contacts the second electrode layer 140 may be a scattering screen.
  • the bus electrode 182 may include copper, and the oxide layer 184 may include copper oxide (Cu 2 O) or copper oxide (CuO).
  • the bus electrode 182 on the side of the first electrode layer 130 and the bus electrode 182 on the side of the second electrode layer 140 may be selected and combined from a group consisting of parallel metal wiring shapes, grid shapes, and net shapes. have.
  • bus electrodes 182 formed on the first electrode layer 130 and the second electrode layer 140 disposed to face each other are selected from a group consisting of parallel wiring shapes, lattice shapes, and mesh shapes, respectively, and bus electrodes on both sides. 182 may have the same shape or may have different shapes.
  • bus electrode 182 on the side of the first electrode layer 130 and the bus electrode 182 on the side of the second electrode layer 140 may be disposed in the same direction or may be disposed in different directions.
  • the transmittance of the first substrate 110 or the second substrate 120 may be 98% or more, and may be a transparent substrate, and the first electrode layer 130 disposed on the first substrate 110 or the second substrate 120, respectively.
  • the second electrode layer 140 is a transparent electrode
  • transmittance of the transparent substrate and the transparent electrode may be 85% or more.
  • the transmittance (T%) of the electrochromic device including the transparent substrate, the transparent electrode, the electrolyte layer, and the ion storage layer may be 75% or more.
  • connection leads may be connected to one to four surfaces of the first substrate 110 and the second substrate 120.
  • the connection lead may be connected to extensions of the first electrode layer 130, the second electrode layer 140, and the bus electrode 182 disposed on the first substrate 110 and the second substrate 120.
  • the connection lead may be connected to the bus electrode 182 to apply power.
  • the transmittance (T%) of the electrochromic device may be in a range of 10 to 75%, and the transmittance (T%) of the electrochromic device in which color change is completed is not more than 10%, but is not limited thereto.
  • the electrode layer comprises a metal wiring. Accordingly, the discoloration speed of the electrochromic device can be increased. In addition, since a part of the metal wiring is included in the resin, cracks generated in the ITO layer may be minimized even when the electrochromic device is applied to the flexible structure.
  • FIG. 10 is a cross-sectional view of an electrochromic device according to another exemplary embodiment of the present invention
  • FIG. 11 is a cross-sectional view of an example of a bus electrode included in the electrochromic device according to the embodiment of FIG. 10
  • FIG. 12 is a bus electrode of FIG. 11. It is a figure explaining the method of forming a metal
  • 13 is a cross-sectional view of another example of a bus electrode included in the electrochromic device according to the exemplary embodiment of FIG. 10, and
  • FIG. 14 is a view for explaining a method of forming the bus electrode of FIG. 13.
  • the electrochromic device 100 may be disposed on the first transparent substrate 110 and the second transparent substrate 120, the first transparent substrate 110, and the second transparent substrate 120 disposed to face each other.
  • the first color change material layer disposed on one of the first transparent electrode 130 and the second transparent electrode 140, the first transparent electrode 130, and the second transparent electrode 140, respectively disposed to face each other.
  • the second color change material layer 160 disposed on the other one of the 150, the first transparent electrode 130, and the second transparent electrode 140, and the first color change material layer 150 and the second color change material layer (
  • the electrolyte layer 170 is disposed between the 160.
  • one side of both surfaces of the first transparent electrode 130 and one side of both surfaces of the second transparent electrode 140 are disposed on at least one of the surfaces of the first transparent electrode 130.
  • the bus electrode 200 may further include an area occupying an area smaller than the area of the second transparent electrode 140 and having a predetermined pattern.
  • the bus electrode 200 may be disposed in contact with at least one of the first transparent electrode 130 and the second transparent electrode 140 to increase the discoloration speed of the electrochromic device.
  • the bus electrode 200 may be disposed between the first transparent substrate 110 and the first transparent electrode 130, and the side surface of the bus electrode 200 may be filled with a polymer.
  • the bus electrode 200 having the structure as shown in FIG. 10 may be referred to as a bus electrode formed in an intaglio.
  • the first transparent substrate 110, the bus electrode 200, and the first transparent electrode 130 are sequentially stacked, and the first transparent substrate 110 and the first transparent substrate 110 are stacked. 1
  • the region where the bus electrode 200 is not disposed in the space between the transparent electrodes 130 is filled with the polymer 300.
  • the bus electrode 200 is disposed only on the side of the first transparent substrate 110 and the first transparent electrode 130 as an example, but is not limited thereto, and the second transparent substrate 120 and The bus electrode 200 may be disposed on the side of the second transparent electrode 140, or the bus electrode 200 may be further disposed on the side of the second transparent substrate 120 and the second transparent electrode 140.
  • the polymer 300 may include, for example, a silicone-based polymer resin.
  • the height of the polymer 300 and the height of the bus electrode 200 are illustrated as being the same, the present invention is not limited thereto.
  • the height of the polymer 300 may be greater than the height of the bus electrode 200. That is, the side and bottom surfaces of the bus electrode 200 may be surrounded by the polymer 300, and the upper surface of the bus electrode 200 may be formed to contact the first transparent electrode 130.
  • the bus electrode 200 may be stably embedded and supported by the polymer 300.
  • the functional filler F may be dispersed in the polymer 300.
  • the functional filler F may be a UV stabilizer, for example.
  • the UV stabilizer may include, for example, at least one of hydroxy benzophonone and hydroxyphenyl benzotriazole.
  • Such UV stabilizers can absorb ultraviolet light or dissipate free radicals that are degraded by ultraviolet light. Accordingly, when the UV stabilizer is dispersed in the polymer 300, the electrochromic device 100 may be prevented from being deformed by ultraviolet rays.
  • the discoloration material layer 150 of the electrochromic device 100 includes a material susceptible to UV, such as viologen, the decomposition of the viologen is prevented to improve the durability of the electrochromic device 100. You can.
  • the bus electrode 200 includes a seed layer 210, a metal layer 220, and a passivation layer 230.
  • the metal layer 220 is disposed on the seed layer 210
  • the passivation layer 230 is disposed on the metal layer 220.
  • At least one of the seed layer 210, the metal layer 220, and the passivation layer 230 or the brightness index L * of the entire bus electrode 200 is 60 or less, preferably 40 to 60, more preferably. 45 to 60.
  • Brightness index (L *) is a numerical value indicating the brightness, the closer to 100 indicates a white, the closer to 0 means an index indicating black. When the brightness index L * satisfies this numerical range, the visibility of the bus electrode can be prevented from being sparkled.
  • the seed layer 210 is a layer deposited for electroplating the metal layer 220 and the passivation layer 230, and may include at least one of CuO, Cu 2 O, Ni, and Cr.
  • the seed layer 210 may be blackish brown to prevent glare and to improve visibility.
  • the thickness of the seed layer 210 may be 10 to 300nm, preferably 50 to 250nm, more preferably 100 to 200nm.
  • the metal layer 220 may be plated to a predetermined thickness or more, for example, several ⁇ m or more. When the metal layer 220 is formed to have a predetermined thickness or more, the cross-sectional area of the bus electrode 200 is large. The line resistance can be improved, and the discoloration speed can be increased.
  • the metal layer 220 includes at least one of Cu, Ag, Au, Ni, and Cr, and may have a thickness of 0.1 to 20 ⁇ m, preferably 1 to 15 ⁇ m, and more preferably 5 to 10 ⁇ m.
  • the line resistance may be lowered, and thus the discoloration speed may be increased.
  • the passivation layer 230 may include at least one of Au and Ag. Accordingly, the passivation layer 230 may prevent contact between the metal layer 220 and the electrolyte layer 170 to prevent oxidation of the metal layer 220. At this time, the thickness of the passivation layer 230 may be 10 to 300nm, preferably 50 to 250nm, more preferably 100 to 200nm.
  • the passivation layer 230 is less than 10 nm, the passivation layer 230 is easily peeled off, thereby increasing the possibility that the metal layer 220 is exposed to the electrolyte layer 170. If the thickness of the passivation layer 230 exceeds 300nm, it may affect the visibility of the electrochromic device.
  • the seed layer 210 is deposited in the pattern (b).
  • the seed layer 210 may include CuO or Cu 2 O, or may include Ni / Cr, and may be deposited to a thickness of 1 to 300 nm.
  • the seed layer 210 may be formed by various methods such as electroless plating, sputtering, or laminate.
  • the metal layer 220 is plated on the seed layer 210 (c).
  • the metal layer 220 may be formed by an electroplating method using at least one of Cu, Ag, Au, Ni, and Cr.
  • the metal layer 220 may be deposited to a thickness of several ⁇ m, for example, 5 ⁇ m or more. It is possible to form a width to thickness ratio of 1: 1.1 to 2.
  • the passivation layer 230 including at least one of Au and Ag is formed on the metal layer 220 (d)
  • the first transparent electrode 130 is disposed (e).
  • the passivation layer 230 may be formed by electroplating.
  • the first transparent substrate 110, the bus electrode 200, and the first transparent electrode 130 are sequentially stacked, and the first transparent substrate 110 is stacked.
  • the region where the bus electrode 200 is not disposed in the space between the first transparent electrode 130 and the first transparent electrode 130 is filled with the polymer 300.
  • the bus electrode 200 is disposed only on the side of the first transparent substrate 110 and the first transparent electrode 130 as an example, but is not limited thereto, and the second transparent substrate 120 and The bus electrode 200 may be disposed on the side of the second transparent electrode 140, or the bus electrode 200 may be disposed on the side of the second transparent substrate 120 and the second transparent electrode 140.
  • the polymer 300 may include, for example, a silicone-based polymer resin.
  • the height of the polymer 300 and the height of the bus electrode 200 are illustrated as being the same, the present invention is not limited thereto.
  • the height of the polymer 300 may be greater than the height of the bus electrode 200. That is, the side and bottom surfaces of the bus electrode 200 may be surrounded by the polymer 300, and the upper surface of the bus electrode 200 may be formed to contact the first transparent electrode 130.
  • the bus electrode 200 may be stably embedded and supported by the polymer 300.
  • the functional filler F may be dispersed in the polymer 300.
  • the functional filler F may be a UV stabilizer, for example.
  • the UV stabilizer may include, for example, at least one of hydroxy benzophonone and hydroxyphenyl benzotriazole.
  • Such UV stabilizers can absorb ultraviolet light or dissipate free radicals that are degraded by ultraviolet light. Accordingly, when the UV stabilizer is dispersed in the polymer 300, the electrochromic device 100 may be prevented from being deformed by ultraviolet rays.
  • the discoloration material layer 150 of the electrochromic device 100 includes a material susceptible to UV, such as viologen, the decomposition of the viologen is prevented to improve the durability of the electrochromic device 100. You can.
  • the bus electrode 200 includes a seed layer 210, a metal layer 220, and a passivation layer 230.
  • the seed layer 210 may be formed on the bottom and side surfaces of the pattern formed to arrange the bus electrode 200 in the polymer 300, and the metal layer 220 may be filled in the space formed by the seed layer 210.
  • the passivation layer 230 may be disposed on the seed layer 210 and the metal layer 220.
  • At least one of the seed layer 210, the metal layer 220, and the passivation layer 230 or the brightness index L * of the entire bus electrode 200 is 60 or less, preferably 40 to 60, more preferably. 45 to 60.
  • Brightness index (L *) is a numerical value indicating the brightness, the closer to 100 indicates a white, the closer to 0 means an index indicating black. When the brightness index L * satisfies this numerical range, the visibility of the bus electrode can be prevented from being sparkled.
  • the seed layer 210 is a layer deposited for electroplating the metal layer 220 and the passivation layer 230, and may include at least one of CuO, Cu 2 O, Ni, and Cr.
  • the seed layer 210 may be blackish brown to prevent glare and to improve visibility.
  • the thickness of the seed layer 210 may be 10 to 300nm, preferably 50 to 250nm, more preferably 100 to 200nm.
  • the metal layer 220 may be plated to a predetermined thickness or more, for example, several ⁇ m or more. When the metal layer 220 is formed to a predetermined thickness or more, the line resistance is improved, and the discoloration speed is increased. Can be faster.
  • the metal layer 220 includes at least one of Cu, Ag, Au, Ni, and Cr, and may have a thickness of 0.1 to 20 ⁇ m, preferably 1 to 15 ⁇ m, and more preferably 5 to 10 ⁇ m.
  • the line resistance may be lowered, and thus the discoloration speed may be increased.
  • the passivation layer 230 may include at least one of Au and Ag. Accordingly, the passivation layer 230 may prevent contact between the metal layer 220 and the electrolyte layer 170 to prevent oxidation of the metal layer 220. At this time, the thickness of the passivation layer 230 may be 10 to 300nm, preferably 50 to 250nm, more preferably 100 to 200nm.
  • the metal layer 220 may be disposed in the space formed by the seed layer 210, and the passivation layer 230 may be disposed on the seed layer 210 and the metal layer 220.
  • the seed layer 210 is deposited on the polymer 300 (b).
  • the seed layer 210 may include CuO or Cu 2 O, or may include Ni / Cr, and may be deposited to a thickness of 1 to 300 nm.
  • the seed layer 210 may be deposited by an electroless plating method. According to the electroless plating method, it is possible to deposit the seed layer 210 to a uniform thickness as compared to applying the paste, and to deposit on the side as well as the bottom surface of the pattern for the third electrode 200 is disposed. It is easy.
  • the metal layer 220 is plated on the seed layer 210 (c).
  • the metal layer 220 may be formed by an electroplating method using at least one of Cu, Ag, Au, Ni, and Cr.
  • the metal layer 220 may be deposited to a thickness of several ⁇ m, for example, 5 ⁇ m or more. It is possible to form a width to thickness ratio of 1: 1.1 to 2.
  • the metal layer 220 may be filled in the seed layer 210 in the form of a paste.
  • the passivation layer 230 including at least one of Au and Ag is formed on the seed layer 210 and the metal layer 220 ( e) and disposing the first transparent electrode 130 (f). If (d) is etched or desmeared on the metal layer 220, the bonding force between the passivation layer 230 and the metal layer 220 may be increased, thereby facilitating the electroplating of the passivation layer 230. .
  • a bus electrode was disposed on a transparent electrode, and a passivation layer was formed on the bus electrode, but the passivation layer was formed by printing using a polymer.
  • the bus electrode is disposed on the transparent electrode and the passivation layer is formed on the bus electrode, but the passivation layer is formed by electroplating using Au.
  • T (%) is stably maintained even though time passes, but in the comparative example, T (%) changes as time passes. Accordingly, it can be seen that according to the embodiment of the present invention, an electrochromic device having high durability can be obtained.
  • the bus electrode having a predetermined pattern may be connected to the pad unit for power connection.
  • the pad portion and the seed layer include the same material, and the pad portion may be deposited together with the seed layer.
  • 16 illustrates various embodiments of a seed layer included in a pad part and a bus electrode.
  • the seed layers 210 having a plurality of wirings arranged in parallel to the pad part P at predetermined intervals are connected to each other.
  • the metal layer 220 and the passivation layer 230 are sequentially plated on the seed layer 210, the electrical conductivity difference between the pad portion P / seed layer 210 and the metal layer 220 / passivation layer 230 is different. Due to this, plating may grow around the pad part P.
  • FIG. FIG. 16B illustrates a photo of plating grown around the pad part P when Au plating is performed on the seed layer 210.
  • the embodiment of the present invention can change the shape of the pad portion (P).
  • the pad part P is integrally formed, and a groove is formed in a portion to which the seed layer 210 is connected, or in FIG. 16D.
  • a plurality of pad parts P connected to the plurality of seed layers 210 in the form of wirings may be formed to be spaced apart from each other.
  • the plating does not grow around the pad portion P when the metal layer 220 or the passivation layer 230 is plated.
  • the electrochromic device can be applied to a variety of applications, it may be applied to a display that requires discoloration of the specific portion, such as ESL (electro shelf label).
  • ESL electro shelf label
  • FIG. 17 is a plan view illustrating an example in which an electrochromic device according to an embodiment of the present invention is applied to an ESL
  • FIG. 18 is a cross-sectional view of a portion of FIG. 17.
  • the electrochromic device 100 may be divided into an electrode region A1 and a dummy electrode region A2 by an electrode spacer G.
  • the electrode region A1 may be an area displayed by letters, numbers, or pictures, and the dummy electrode area A2 may be an area displayed by a background.
  • the electrode area A1 is an area for displaying information, and may be mixed with the conversion area, the display area, and the like, and the dummy electrode area A2 may be mixed with the background area.
  • the electrode region A1 includes a plurality of divided regions A1-1, A1-2, ..., A1-n, and a plurality of divided regions A1-1, A1-2, ..., A1-n. n) are spaced apart from each other and can be driven independently. According to the decoloring and coloring combination of the plurality of divided regions A1-1, A1-2, ..., A1-n, the electrode region A1 may expose various information. To this end, the plurality of divided regions A1-1, A1-2, ..., A1-n may be disposed around the dummy electrode region A2.
  • the dummy electrode region A2 is surrounded by the plurality of division regions A1-1, A1-2, ..., A1-n, or the plurality of division regions A1-1, A1-2,... , A1-n may be surrounded by the dummy electrode region A2. Accordingly, the information displayed by the plurality of divided regions A1-1, A1-2, ..., A1-n can be clearly displayed by the background of the dummy electrode region A2.
  • each region may extend to a wiring region W that is narrower than each region, and may be connected to the pad electrode 20 through the wiring region W.
  • the pad electrode 20 may be connected to the pad electrode 20 through a wiring part. Accordingly, the plurality of divided regions A1-1, A1-2, ..., A1-n may be mixed with the plurality of electrode regions A1-1, A1-2, ..., A1-n. have.
  • the width of the wiring area W extending from each divided area may be 1/3 to 1/8 of the width of each divided area. If the width of the wiring area W is smaller than 1/8 times the width of each divided area, the bus electrodes in the wiring area may be cut off, and if the width of the wiring area W is larger than 1/3, the wiring area may be exposed when the divided area is colored. .
  • the width of the wiring region w may be 0.2 times or more, 2 times or less, 0.4 times or more, 1.5 times or less, 0.5 times or more, and 1.2 times or less of the mesh opening width of the bus electrode.
  • A1 is an electrode portion, and a wiring region connecting A1 and the pad electrode 20 may be called a wiring portion.
  • each region may be discolored independently of each other.
  • the discoloration reaction occurs only in the electrode region A1 and the discoloration reaction does not occur in the dummy electrode region A2, or the discoloration reaction of the electrode region A1 and the dummy electrode region A2 occurs independently.
  • the discoloration reaction of the plurality of divided regions A1-1, A1-2,..., A1-n constituting the electrode region A1 may be independently performed.
  • the dummy electrode region A2 may be an electrode region. Accordingly, the electrode spacer G may be formed between the plurality of electrode regions A1 and A2.
  • the line width of the electrode gap (groove, G) may be variously implemented according to the width or pitch of the mesh opening of the bus electrode.
  • the line width of the electrode spaced portion G may be 0.1 times or more of the mesh opening width of the bus electrode, and may be 150 ⁇ m or less, preferably 0.2 times or more and 120 ⁇ m or less, more preferably 0.2 times or more and 90 ⁇ m or less.
  • the line width of the electrode spacer G is less than 0.1 times the width of the mesh opening of the bus electrode, the electrode region A1 and the dummy electrode region A2 may not be electrically shorted, and the line width of the electrode spacer G is 150. If it exceeds the ⁇ ⁇ , it may be difficult to process the precise electrode region A1.
  • the line width of the electrode spaced portion (G) may vary according to the laser processing ability.
  • the pad electrode 20 may be disposed at one end of the first electrode layer 130, and the pad electrode 20 may be disposed to contact the first electrode layer 130.
  • FIG 19 shows an electrochromic device including an electrochromic device according to an embodiment of the present invention.
  • an electrochromic device 1500 includes a case 1510, a circuit board 1520 disposed in a case 1510, an electrochromic device 100 connected through a circuit board 1520 and a connector 1530. It may include.
  • the electrochromic device 100 may be mounted in the case 1510 together with the circuit board 1520 as shown in FIG. 19A, or electrochromic with the connector 1530 and the connector 1530 as shown in FIG. 19B. Some areas of the device 100 may be mounted in the case 1530, and the remaining areas of the electrochromic device 100 may be exposed to the outside of the case 1510.
  • the connector 1530 may be a flexible printed circuit board (FPCB) or a flexible flat cable (FFC), but is not limited thereto.
  • FPCB flexible printed circuit board
  • FFC flexible flat cable
  • the electrochromic device as shown in FIG. 19 (a) may be attached to a shelf, and the electrochromic device as shown in FIG. 19 (b) may be suspended or suspended from a ceiling.
  • a flexible electrochromic device in the electrochromic device as shown in Figure 19 (b) can realize the effect (paper), it can cause a familiarity from consumers.
  • the electrochromic device may be applied to an electronic shelf label, and the electronic shelf label displays information such as price information, store symbols, promotional images, barcodes, product names, product images, origins, etc. at a mart. It can be used in various ways as a means. Alternatively, the present invention may be variously used as a means for displaying information such as product name and quantity in a distribution center.
  • 20 is a diagram illustrating an electron shelf label system to which an electrochromic device is applied according to an exemplary embodiment of the present invention.
  • the server 2100 is a place where information on goods is stored, and the server 2100 may form a communication channel with the electronic shelf label 1500 via the gateway 2200 and the transmitter 2300.
  • the server 2100, the gateway 2200, and the transmitter 2300 may be connected to a wired network such as Ethernet or a wireless network such as Wi-Fi.
  • the transmitter 2300 and the electronic shelf label 1500 may be connected to a wireless network such as Wi-Fi, Bluetooth, or RF.
  • the transmitter 2300 may receive product information from the server 2100, transmit the product information to the electronic shelf label 1500, and transmit power to the electronic shelf label 1500 according to an operation mode.
  • the electronic shelf label 1500 may include a controller, a communication module, a storage unit, and a display unit.
  • the electronic shelf label 1500 may include a battery therein.
  • the electronic shelf label 1500 may be wirelessly charged with a wireless power charging module.
  • the control unit controls the communication module to perform communication, and may display the product information received by the communication module on the display unit.
  • the power may be received to convert a signal into a DC voltage, and the voltage may be supplied to the wireless power charging module.
  • the storage unit stores data displayed on the display unit.
  • the communication module may receive product information from the transmitter or may receive power from the transmitter.
  • the display unit displays the product information received from the control unit.
  • the display unit may be an electrochromic device.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

La présente invention concerne, conformément à un de ses modes de réalisation, un dispositif électrochromique qui comprend : un premier substrat ; une première couche d'électrode disposée sur le premier substrat ; une couche de matériau électrochromique disposée sur la première couche d'électrode ; une couche d'électrolyte disposée sur la couche de matériau électrochromique ; une deuxième couche d'électrode disposée sur la couche d'électrolyte ; et un deuxième substrat disposé sur la deuxième couche d'électrode, et comprend en outre une troisième couche d'électrode qui est disposée entre le premier substrat et la première couche d'électrode ou entre la première couche d'électrode et la couche de matériau électrochromique, la troisième couche d'électrode comportant une couche de résine et une électrode de bus dotée d'une partie qui est entourée par la couche de résine, et l'électrode de bus entrant en contact avec la première couche d'électrode.
PCT/KR2017/009736 2016-09-13 2017-09-06 Électrode destinée à un dispositif électrochromique et dispositif électrochromique comprenant ladite électrode WO2018052216A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201790001232.6U CN209657051U (zh) 2016-09-13 2017-09-06 电致变色器件以及电致变色装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0118240 2016-09-13
KR1020160118240A KR102622550B1 (ko) 2016-09-13 2016-09-13 전기변색소자용 전극 및 이를 포함하는 전기변색소자
KR1020170075834A KR102369920B1 (ko) 2017-06-15 2017-06-15 전기변색소자
KR10-2017-0075834 2017-06-15

Publications (1)

Publication Number Publication Date
WO2018052216A1 true WO2018052216A1 (fr) 2018-03-22

Family

ID=61619636

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/009736 WO2018052216A1 (fr) 2016-09-13 2017-09-06 Électrode destinée à un dispositif électrochromique et dispositif électrochromique comprenant ladite électrode

Country Status (2)

Country Link
CN (1) CN209657051U (fr)
WO (1) WO2018052216A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109445221A (zh) * 2018-12-25 2019-03-08 苏州大学 一种电致色变器件及其制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050275923A1 (en) * 2004-06-11 2005-12-15 Park Kee Y Display device using printed circuit board as substrate of display panel
KR20100020105A (ko) * 2008-08-12 2010-02-22 에스케이 텔레콤주식회사 전기변색 필터가 구비된 반사형 디스플레이 장치
JP2014502570A (ja) * 2010-12-29 2014-02-03 エルジー・ケム・リミテッド 多層フィルム及びこれを含む光電池モジュール
KR20150087012A (ko) * 2014-01-21 2015-07-29 엘지이노텍 주식회사 전기변색 디바이스
KR20160007227A (ko) * 2014-07-11 2016-01-20 엘지이노텍 주식회사 전극 부재 및 이를 포함하는 터치 윈도우

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050275923A1 (en) * 2004-06-11 2005-12-15 Park Kee Y Display device using printed circuit board as substrate of display panel
KR20100020105A (ko) * 2008-08-12 2010-02-22 에스케이 텔레콤주식회사 전기변색 필터가 구비된 반사형 디스플레이 장치
JP2014502570A (ja) * 2010-12-29 2014-02-03 エルジー・ケム・リミテッド 多層フィルム及びこれを含む光電池モジュール
KR20150087012A (ko) * 2014-01-21 2015-07-29 엘지이노텍 주식회사 전기변색 디바이스
KR20160007227A (ko) * 2014-07-11 2016-01-20 엘지이노텍 주식회사 전극 부재 및 이를 포함하는 터치 윈도우

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109445221A (zh) * 2018-12-25 2019-03-08 苏州大学 一种电致色变器件及其制造方法

Also Published As

Publication number Publication date
CN209657051U (zh) 2019-11-19

Similar Documents

Publication Publication Date Title
JP5339089B2 (ja) フレキシブル透明導電フィルムとフレキシブル機能性素子およびこれ等の製造方法
US20230229268A1 (en) Touch panel and sheet of touch sensors
US8269416B2 (en) Film with transparent conductive layer, flexible functional element and flexible dispersion-type electroluminescent element, and method for producing the same and electronic device by the use thereof
CN107706214A (zh) 柔性显示装置的模组结构和柔性触控显示装置
WO2013168973A1 (fr) Électrode en polymère conducteur transparent formée par impression jet d'encre, dispositif d'affichage la comprenant, et son procédé de fabrication
WO2015080385A1 (fr) Film à transmittance variable et son procédé de fabrication
CN1879220A (zh) 分节段的有机发光器件
WO2010044546A2 (fr) Feuille tactile à base de film résistif, panneau tactile et leur procédé de fabrication
WO2018016811A1 (fr) Capteur tactile à film
WO2020166777A1 (fr) Dispositif d'affichage utilisant des éléments électroluminescents à semi-conducteur, et son procédé de fabrication
KR101842134B1 (ko) 전기영동 표시장치 및 그 제조 방법
US11086155B2 (en) Flexible device and method of manufacturing the same, and display apparatus
WO2019066336A1 (fr) Substrat d'électrode pour unité d'affichage à diode électroluminescente transparente et son procédé de fabrication
WO2019231192A1 (fr) Ensemble en verre
WO2020096383A1 (fr) Dispositif d'affichage
WO2020040518A1 (fr) Substrat d'électrode incorporé pour affichage à élément électroluminescent transparent et son procédé de fabrication
EP2919267A1 (fr) Substrat de réseau, son procédé de fabrication et dispositif d'affichage
WO2018052216A1 (fr) Électrode destinée à un dispositif électrochromique et dispositif électrochromique comprenant ladite électrode
JP2008004501A (ja) 透明導電層付フィルム及びフレキシブル分散型エレクトロルミネッセンス素子並びにそれを用いた電子デバイス
WO2020009262A1 (fr) Appareil d'affichage utilisant un dispositif électroluminescent à semi-conducteur
WO2018052215A1 (fr) Dispositif électrochrome
WO2019245098A1 (fr) Dispositif d'affichage utilisant un élément électroluminescent à semi-conducteur
WO2016122053A1 (fr) Dispositif d'éclairage électrique transparent
KR102363525B1 (ko) Led 투명 전광판용 연성회로기판
WO2018208022A1 (fr) Dispositif électrochromique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17851090

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17851090

Country of ref document: EP

Kind code of ref document: A1