WO2019006964A1 - 电致变色器件及其制作方法、变色玻璃 - Google Patents
电致变色器件及其制作方法、变色玻璃 Download PDFInfo
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- WO2019006964A1 WO2019006964A1 PCT/CN2017/112909 CN2017112909W WO2019006964A1 WO 2019006964 A1 WO2019006964 A1 WO 2019006964A1 CN 2017112909 W CN2017112909 W CN 2017112909W WO 2019006964 A1 WO2019006964 A1 WO 2019006964A1
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- 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
-
- 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
Definitions
- the present disclosure relates to the field of display technology, and in particular to an electrochromic device, a method of fabricating the same, and a color changing glass.
- An electrochromic device refers to a device in which an electrochromic material undergoes redox and undergoes a reversible change in light transmission or reflection under the action of an external electric field, and exhibits a reversible color phenomenon of color in appearance.
- the current electrochromic device is a layer of a color changing film and an electrolyte film sandwiched between two transparent conductive films.
- electrolysis When a voltage is applied to the transparent conductive film, electrolysis generates positive and negative ions to the color changing film, and chemically reacts with the metal oxide in the color changing film to become a colored compound, thereby causing the electrochromic device to be present. colour.
- the polarity of the electrodes When the polarity of the electrodes is opposite, the ion migration direction is reversed and the electrochromic device is restored to its original state.
- the existing electrochromic device has a fixed light-shielding rate after pressurization, and cannot be adapted to the needs of various scenes, and the flexibility is poor.
- Embodiments of the present disclosure provide an electrochromic device and a method of fabricating the same, and a color changing glass to at least solve the technical problem of poor flexibility due to a fixed value of an electrochromic device after applying a voltage.
- an electrochromic device comprising: a first electrode layer and a second electrode layer disposed opposite to each other; and a first color film layer disposed inside the first electrode layer, disposed on the first a second color changing film layer on the inner side of the second electrode layer, wherein at least one hollow geometry is formed in the second color changing film layer, the hollow geometry is filled with a transparent material; and the first ionization coupling layer disposed inside the first color changing film layer a second ionization coupling layer disposed inside the second color conversion film layer; and a third electrode layer disposed between the first ionization coupling layer and the second ionization coupling layer.
- the electrochromic device further includes: a first protective layer disposed outside the first electrode layer; and a second protective layer disposed outside the second electrode layer.
- the electrochromic device further includes: a first extraction electrode connected to the first electrode layer; a second extraction electrode connected to the second electrode layer; and a third extraction electrode connected to the third electrode layer.
- the shape of the hollow geometry comprises at least one of the following: a circle, an ellipse, a polygon, a sector.
- the transparent material comprises silicon dioxide;
- the material of the second color changing film layer in the region other than the hollow geometry comprises at least one of the following: tungsten oxide, vanadium pentoxide, nickel hydroxide, molybdenum trioxide.
- the thickness of the second color changing film layer is in the range of 200 nm to 300 nm.
- a color changing glass comprising the electrochromic device having the above.
- a method of fabricating an electro-optic thin film device comprising: forming a third electrode layer on a substrate; forming a first ionization coupling layer on the third electrode layer; Forming a first color changing film layer on the ionization coupling layer; forming a first electrode layer on the first color changing film layer; peeling off the substrate, and forming a second ionization coupling layer on a side of the third electrode layer away from the first ionization coupling layer Forming a second color changing film layer on the second ionization coupling layer, wherein at least one hollow geometry is formed in the second color conversion film layer, and the hollow geometry is filled with a transparent material; forming a second electrode layer on the second color changing film layer.
- forming a second color changing film layer on the second ionization coupling layer comprises: forming a color changing film region having at least one hollow geometry on the second ionization coupling layer using the first mask; using the second mask At least one hollow geometry is filled with a transparent material to form a second color changing film layer.
- the method for fabricating the electrochromic device further includes: bonding a first protective layer on the outer side of the first electrode layer; and affixing the second protective layer on the outer side of the second electrode layer.
- the electrochromic device includes a first electrode layer and a second electrode layer disposed opposite to each other; a first color film layer disposed inside the first electrode layer, and a second layer disposed inside the second electrode layer a color changing film layer, wherein at least one hollow geometry is formed in the second color film layer, the hollow geometry is filled with a transparent material; the first ionization coupling layer disposed inside the first color film layer is disposed on the second color film a second ionization coupling layer on the inner side of the layer; and a third electrode layer disposed between the first ionization coupling layer and the second ionization coupling layer.
- the first color-changing film layer and the second color-changing film layer share a third electrode layer, and voltages are applied to different electrode layers to obtain different light-shielding rates.
- the purpose of providing various light-shielding rates is achieved, thereby achieving the technical effect of improving the flexibility of the electrochromic device, thereby solving the technical problem of poor flexibility due to the fixed value of the electro-optic device after the voltage is applied.
- FIG. 1 is a schematic structural view of an alternative electrochromic device according to an embodiment of the present disclosure
- FIG. 2 is a schematic structural view of an optional second color changing film layer according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural view of another optional second color changing film layer according to an embodiment of the present disclosure.
- FIG. 4 is a schematic structural view of still another optional color changing film layer according to an embodiment of the present disclosure.
- FIG. 5 is a schematic structural view of still another optional second color changing film layer according to an embodiment of the present disclosure.
- FIG. 6 is a flow diagram of a method of fabricating an alternative electrochromic device in accordance with an embodiment of the present disclosure.
- an embodiment of an electrochromic device is provided.
- the electrochromic device includes: a first electrode layer 10 and a second electrode layer 11 disposed opposite to each other; and is disposed inside the first electrode layer 10 a first color-changing film layer 12, a second color-changing film layer 13 disposed on the inner side of the second electrode layer 11, wherein the second color-changing film layer 13 is formed with at least one hollow geometry, and the hollow geometry is filled with a transparent material; a first ionization coupling layer 15 disposed inside the first color film layer 12, a second ionization coupling layer 16 disposed inside the second color film layer 13 , and a first ionization coupling layer 15 and a second ionization coupling layer 16
- the third electrode layer 17 is between.
- the first color-changing film layer 12 and the second color-changing film layer 13 have complementary polarities, that is, the first color-changing film layer 12 and the second color-changing film layer 13 share the third electrode layer 17.
- the second color-changing film layer 13 and the third electrode layer 17 having a hollow geometry can be added, and the first color-changing film layer 12 and the second color-changing film layer 13 share the third electrode layer 17
- Applying voltages to different electrode layers to obtain different shading rates achieving the purpose of providing various shading rates, thereby achieving the technical effect of improving the flexibility of the electrochromic device, thereby solving the problem that the electrochromic device is applied after voltage application.
- a blackout rate is a technical problem caused by a fixed value.
- the electrochromic device of the embodiment further includes: a first protection layer 18 disposed outside the first electrode layer 10; and a second protection layer disposed outside the second electrode layer 11 19.
- the first protective layer 18 and the second protective layer 19 may be inorganic transparent films, and materials with high temperature resistance and scratch resistance, such as polyester resin, organic glass, polystyrene, etc., may be used to protect the electrochromic.
- the purpose of the device is to extend the life of the electrochromic device.
- the thickness of the first protective layer 18 and the second protective layer 19 may range from 1 um to 3 um, for example 1 um.
- the electrochromic device of this embodiment further includes: a first extraction electrode 20 connected to the first electrode layer 10; a second extraction electrode 21 connected to the second electrode layer 11; The third extraction electrode 22 is connected to the third electrode layer 17.
- a voltage can be applied to the first electrode layer 10 through the first extraction electrode 20, a voltage can be applied to the second electrode layer 11 through the second extraction electrode 21, and can be applied to the third electrode layer 17 through the third extraction electrode 22. Voltage.
- the shape of the hollow geometry 14 includes at least one of the following: a circle, an ellipse, a polygon, a sector. That is, the shape of the hollow geometry 14 may be a circle as shown in FIG. 2, an ellipse as shown in FIG. 3, a polygon as shown in FIG. 4, a fan shape as shown in FIG. 5, or both. Kind or a combination of two or more shapes.
- the area ratio of the color-changing film region (ie, the region of the non-hollowed geometry 14) to the hollowed-out geometry 14 can be adjusted as needed, which is not limited in this embodiment.
- the transparent material comprises silicon dioxide.
- the materials of the first electrode layer 10, the second electrode layer 11, and the third electrode layer 17 include aluminum-doped zinc oxide or indium tin oxide.
- the first electrode layer 10, the second electrode layer 11, and the third electrode layer 17 may be transparent electrodes.
- the thickness of the first electrode layer 10, the second electrode layer 11, and the third electrode layer 17 may be in the range of 400 nm to 700 nm, for example, may be 500 nm.
- the materials of the first ionization coupling layer 15 and the second ionization coupling layer 16 include poly-2-acrylamide-2 methylpropanesulfonic acid.
- poly-2-acrylamide-2methylpropanesulfonic acid is used as an ion storage layer and an ion conductive layer.
- the thicknesses of the first ionization coupling layer 15 and the second ionization coupling layer 16 may be In the range of 200 nm to 400 nm, for example, it may be 300 nm.
- the material of the first color changing film layer 12 includes at least one of the following: tungsten oxide, vanadium pentoxide, nickel hydroxide, molybdenum trioxide; and the second color changing film layer 13 except the hollow geometry 14
- the material of the region includes at least one of the following: tungsten oxide, vanadium pentoxide, nickel hydroxide, and molybdenum trioxide.
- the color-changing film including tungsten oxide is blue.
- the thickness of the first color-changing film layer 12 may range from 200 nm to 350 nm, for example, may be 250 nm.
- the thickness of the second color changing film layer 13 may be in the range of 200 nm to 300 nm, for example, may be 250 nm.
- the electrochromic device of the embodiment adopts a complementary bipolar color changing structure, has superior performance, and can adjust light transmittance in multiple layers; the film structure has discoloration, anti-glare response speed, long life, high stability, safety, non-toxicity, energy consumption low.
- the electrochromic device can be widely applied to the lighting adjustment of integrated switch indicators of automobiles, airplanes, ships, industrial and mining enterprises, and can also be applied to the glass film of intelligent buildings or the glass film of vehicles and ships.
- an embodiment of a method of fabricating an electro-optic thin film device is provided.
- 6 is a method of fabricating an electro-optic thin film device according to an embodiment of the present disclosure. As shown in FIG. 6, the method of fabricating the electrochromic device includes the following steps:
- Step S102 forming a third electrode layer on the substrate.
- a third electrode layer is formed by sputtering deposition on a substrate.
- the substrate can be a glass substrate.
- Step S104 forming a first ionization coupling layer on the third electrode layer.
- the first ionization coupling layer is formed on the third electrode layer by a sol-gel method.
- Step S106 forming a first color changing film layer on the first ionization coupling layer.
- a first color changing film layer is formed by sputtering deposition on the first ionization coupling layer.
- Step S108 forming a first electrode layer on the first color-changing film layer.
- a first electrode layer is formed by sputtering deposition on the first color-changing film layer.
- the first protective layer is pasted on the outer side of the first electrode layer.
- Step S110 peeling off the substrate, and forming a second ionization coupling layer on a side of the third electrode layer away from the first ionization coupling layer.
- the substrate is peeled off, and then the second ionization coupling layer is formed by a sol-gel method on the other side of the third electrode layer (ie, the side away from the first ionization coupling layer).
- Step S112 forming a second color changing film layer on the second ionization coupling layer.
- At least one hollow geometry is formed in the second color changing film layer, and the hollow geometry is filled with a transparent material.
- a second color changing film layer is formed by sputtering deposition on the second ionization coupling layer, wherein at least one hollow geometry is formed in the second color conversion film layer, and the hollow geometry is filled with a transparent material.
- forming a second color changing film layer on the second ionization coupling layer comprises: forming a color changing film region having at least one hollow geometry on the second ionization coupling layer using the first mask; using the second mask At least one hollow geometry is filled with a transparent material to form a second color changing film layer.
- the first mask is opposite to the pattern of the second mask, and the thickness of the transparent material in at least one hollow geometry is the same as the thickness of the color changing film region.
- Step S114 forming a second electrode layer on the second color changing film layer.
- a second electrode layer is formed by sputtering deposition on the second color-changing film layer.
- the second protective layer is pasted on the outer side of the second electrode layer.
- the first color-changing film layer and the second color-changing film layer share a third electrode layer, and voltages are applied to different electrode layers.
- Different shading rates have achieved the purpose of providing various shading rates, thereby achieving the technical effect of improving the flexibility of the electrochromic device, thereby solving the flexibility caused by the fixed value of the electrochromic device after applying voltage. Poor technical issues.
- a switch indicator comprising the electrochromic device having the above.
- a color changing glass comprising the electrochromic device having the above.
Abstract
Description
Claims (10)
- 一种电致变色器件,其特征在于,包括:相对设置的第一电极层和第二电极层;设置于所述第一电极层内侧的第一变色薄膜层,设置于所述第二电极层内侧的第二变色薄膜层,其中,所述第二变色薄膜层中形成有至少一个镂空几何结构,所述镂空几何结构内填充有透明材料;设置于所述第一变色薄膜层内侧的第一电离耦合层,设置于所述第二变色薄膜层内侧的第二电离耦合层;以及设置于所述第一电离耦合层与所述第二电离耦合层之间的第三电极层。
- 根据权利要求1所述的电致变色器件,其特征在于,还包括:设置于所述第一电极层外侧的第一防护层;设置于所述第二电极层外侧的第二防护层。
- 根据权利要求1所述的电致变色器件,其特征在于,还包括:与所述第一电极层连接的第一引出电极;与所述第二电极层连接的第二引出电极;与所述第三电极层连接的第三引出电极。
- 根据权利要求1所述的电致变色器件,其特征在于,所述镂空几何结构的形状包括以下中的至少一者:圆形、椭圆形、多边形、扇形。
- 根据权利要求1所述的电致变色器件,其特征在于,所述透明材料包括二氧化硅;所述第二变色薄膜层的除所述镂空几何结构以外区域的材 料包括以下中的至少一者:氧化钨、五氧化二钒、氢氧化镍酰、三氧化钼。
- 根据权利要求1至5中任一项权利要求所述的电致变色器件,其特征在于,所述第二变色薄膜层的厚度在200nm至300nm的范围内。
- 一种变色玻璃,其特征在于,包括如权利要求1至6中任一项权利要求所述的电致变色器件。
- 一种电致变色器件的制作方法,其特征在于,包括:在基底上形成第三电极层;在所述第三电极层上形成第一电离耦合层;在所述第一电离耦合层上形成第一变色薄膜层;在所述第一变色薄膜层上形成第一电极层;剥离所述基底,并在所述第三电极层的远离所述第一电离耦合层的一侧上形成第二电离耦合层;在所述第二电离耦合层上形成第二变色薄膜层,其中,所述第二变色薄膜层中形成有至少一个镂空几何结构,所述镂空几何结构内填充有透明材料;在所述第二变色薄膜层上形成第二电极层。
- 根据权利要求8所述的方法,其特征在于,在所述第二电离耦合层上形成第二变色薄膜层,包括:使用第一掩模板在所述第二电离耦合层上形成具有所述至少一个镂空几何结构的变色薄膜区域;使用第二掩模板在所述至少一个镂空几何结构内填充透明材料,以形成所述第二变色薄膜层。
- 根据权利要求8或9所述的方法,其特征在于,还包括:在所述第一电极层外侧粘贴第一防护层;在所述第二电极层外侧粘贴第二防护层。
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CN107329344B (zh) * | 2017-07-07 | 2020-03-24 | 北汽福田汽车股份有限公司 | 电致变色器件及其制作方法、变色玻璃 |
CN108828867A (zh) * | 2018-06-29 | 2018-11-16 | 信利光电股份有限公司 | 一种电致变色后视镜及其制作方法 |
CN109634022A (zh) * | 2019-01-30 | 2019-04-16 | 信利光电股份有限公司 | 混合电致变色组件及其制备方法、驱动方法和电致变色镜 |
CN109696783A (zh) * | 2019-01-30 | 2019-04-30 | 信利光电股份有限公司 | 新型电致变色组件及其制备方法、驱动方法和电致变色玻璃 |
CN111240118B (zh) * | 2019-08-30 | 2023-07-14 | 浙江工业大学 | 一种三电极结构的电致变色器件及其制备方法 |
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KR20160100066A (ko) * | 2015-02-13 | 2016-08-23 | 영남대학교 산학협력단 | 이온젤 스마트 윈도우 제조방법 |
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JP2003057685A (ja) * | 2001-08-13 | 2003-02-26 | Sony Corp | 光透過率可変装置 |
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KR20160100066A (ko) * | 2015-02-13 | 2016-08-23 | 영남대학교 산학협력단 | 이온젤 스마트 윈도우 제조방법 |
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