Gradient color electrochromic device with heatable function

Abstract

The utility model provides a gradient color electrochromic device with a heatable function, which comprises a first transparent layer, a first transverse cutting ITO (indium tin oxide) electrode layer, an electrochromic film, a second vertical cutting ITO electrode layer and a second transparent layer which are sequentially arranged from top to bottom, the second transparent layer is attached to the second vertically-cut ITO electrode layer; the first transverse cutting ITO electrode layer and the second vertical cutting ITO electrode layer each comprise a plurality of electrodes distributed in a matrix mode, and any electrode is independently connected with a voltage output device. According to the utility model, the electrochromic film is heated through the electrode layer to realize color change, so that the gradient color effect is achieved; the electrodes are independently connected with different voltage output devices, so that various color changing effects can be realized; the transparent layer can be made of various films and can be processed into various transparent products, the application range is wide, and the color changing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrochromic film, specifically, a kind of gradually changing color electrochromic device with heating function. BACKGROUND

[0002] At present, the research of thin film glass heating device still faces some challenges, such as the performance improvement of conductive material, the improvement of heating efficiency and the reduction of production cost, etc. In addition, there are various thin film products in addition to thin film glass, and it is difficult to apply thin film glass heating device to other thin film materials. How to meet the individual needs in different application scenarios is also one of the current research focuses.

[0003] The patent with publication number CN114616922A discloses a thin film heater, which comprises a transparent conductive film, a first electrode and a second electrode. The transparent conductive film has a heating part that generates heat when the first electrode and the second electrode are energized. The outer edge of the heating part includes a short side, a long side, a first bevel and a second bevel. The first electrode and the second electrode have a plurality of first connection parts and second connection parts corresponding to a plurality of first ports and second ports respectively. Each first connection part and second connection part is connected to the transparent conductive film in a way that the current flows between the inside of the heating part through the corresponding first port and second port. A plurality of first current suppression parts and second current suppression parts are configured to suppress the flow of current between the inside and outside of the heating part through the area between the plurality of first ports and second ports. In each of the first ports in part or all of the plurality of first ports, the current flows through the heating part between the first port and at least two second ports.

[0004] The prior art is too complex to heat the upper and lower ends of the heating part. Therefore, a gradually changing color electrochromic device with heating function is needed, which can not only be applied to thin film glass to achieve gradually changing color heating of thin film glass, but also can be applied to various thin film materials to achieve heating of various thin film materials. UTILITY MODEL CONTENT

[0005] In view of the defects in the prior art, the purpose of the utility model is to provide a gradually changing color electrochromic device with heating function.

[0006] According to the gradually changing color electrochromic device with heating function provided by the utility model, the first transparent layer, the first cross-cut ITO electrode layer, the electrochromic film, the second vertical-cut ITO electrode layer and the second transparent layer are arranged from top to bottom.

[0007] The first cross-cut ITO electrode layer and the second vertical-cut ITO electrode layer each comprise a plurality of electrodes arranged in a matrix, and the electrodes of the first cross-cut ITO electrode layer and the second vertical-cut ITO electrode layer are arranged vertically, and any electrode is independently connected with a voltage output device.

[0008] Preferably, the thickness of the first cross-cut ITO electrode layer is 20-300nm, and the thickness of the second vertical-cut ITO electrode layer is 20-300nm.

[0009] Preferably, the electrodes are rectangular, and one end extends to the outside of the first transparent layer by 3-5mm to form a power connection end, and the external alternating voltage is between 10-220V.

[0010] Preferably, the electrodes of the same layer are arranged in parallel, and the distance between any two adjacent electrodes is consistent, and the electrode spacing of the first cross-cut ITO electrode layer and the second vertical-cut ITO electrode layer is consistent.

[0011] Preferably, the thickness of the electrochromic film is 100-300nm, and the transmittance change range is between 0.01-90%.

[0012] Preferably, the first transparent layer and the second transparent layer comprise a transparent glass layer, the thickness of the first transparent layer is 0.3-30mm, and the thickness of the second transparent layer is 0.3-30mm.

[0013] Preferably, the first transparent layer and the second transparent layer comprise a flexible film layer, the flexible film layer comprises PI, PMMA, PC, PP, PET film, and the thickness of the flexible film layer is 50-300um.

[0014] Preferably, the first transparent layer and the second transparent layer comprise a film layer, and the film layer comprises PVB, SGP, TPU, OCA, EVA film.

[0015] Compared with the prior art, the electrochromic film has the following beneficial effects:

[0016] The electrode layer is used for heating the electrochromic film to realize color change, so that the gradual color change effect is achieved, and the frosting and dewing phenomenon does not occur on the surface of the transparent layer, and the defogging and defrosting can be realized; both of the two ITO electrode layers can be heated, the heating speed is fast, the efficiency is high, both sides can be electrified to realize defogging and defrosting, and the voltage is safe and harmless to human body; the various electrodes of the ITO electrode layer are independently connected with different voltage output devices, so that various color change effects can be realized; the transparent layer can adopt various films to process various transparent products, so that the application range is wide and the color change effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0018] Figure 1 This is an exploded view of the gradient color electrochromic device with a heating function, which is the main feature of this utility model.

[0019] Figure 2 This is a three-dimensional structural diagram of a gradient color electrochromic device with a heating function, which is the main feature of this utility model.

[0020] Figure 3 This is a side view of the gradient color electrochromic device with a heating function, which is the main feature of this utility model.

[0021] Figure 4 This is an exploded view of a gradient color electrochromic device with a heating function, which is the main feature of this utility model.

[0022] Figure label:

[0023] First transparent layer 10; First transverse ITO electrode layer 20; Electrochromic thin film 30

[0024] Second vertically slicing ITO electrode layer 40 Second transparent layer 50 Detailed Implementation

[0025] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0026] Example 1

[0027] like Figures 1-4As shown, according to the utility model provides a kind of with the function of heating gradually changing color electrochromic device, including by upper to lower sequentially arranged: first transparent layer 10, first cross ITO electrode layer 20, electrochromic film 30, second vertical ITO electrode layer 40 and second transparent layer 50, first transparent layer 10 and first cross ITO electrode layer 20 are attached to set, second transparent layer 50 and second vertical ITO electrode layer 40 are attached to set;First transparent glass layer 10, first cross ITO electrode layer 20, electrochromic film 30, second vertical ITO electrode layer 40 and second transparent glass layer 50 are sequentially solidified bonding.First cross ITO electrode layer 20 and second vertical ITO electrode layer 40 both include multiple matrix distribution electrodes, and the electrode of first cross ITO electrode layer 20 and second vertical ITO electrode layer 40 is vertically arranged, and any electrode is independently connected with voltage output device, and different electrodes can be connected with different corresponding voltage.

[0028] The thickness of the first cross ITO electrode layer 20 is 20-300nm, and the thickness of the second vertical ITO electrode layer 20 is 20-300nm.

[0029] The electrode is rectangular, and one end extends to the outside of the first transparent layer 10 by 3-5mm, and a power connection end is formed to connect the power supply, the external alternating voltage is between 10-220V, and different voltages change the transmittance of the electrochromic film 30.

[0030] The electrodes of the first cross ITO electrode layer 20 and the second vertical ITO electrode layer 40 are generally more than 2, the electrodes of the same layer are arranged in parallel, and the distance between any two adjacent electrodes is consistent, and the electrode spacing of the electrodes of the first cross ITO electrode layer 20 and the second vertical ITO electrode layer 40 is consistent.

[0031] The thickness of the electrochromic film 30 is 100-300nm, and the transmittance of the electrochromic film 30 changes in the range of 0.01-90% under the power supply of different ITO electrode layers, and the transmittance increases with the increase of the power supply voltage.

[0032] The temperature of the electrode layer of the first cross ITO electrode layer 20 or the second vertical ITO electrode layer 40 increases to realize the defogging and defrosting function after a period of time under the current of different electrodes, and the electrode layer temperature increases for more than 1 second.

[0033] The application has simple structure, wide application, and can use various films for the transparent layer to process various transparent products, and can realize color change by heating the electrochromic film 30 through the electrode layer to achieve gradual color change effect, and the heating speed is fast and the efficiency is high. The application inputs different voltages to each electrode layer through a voltage controller, and the voltage is applied to one side ITO electrode layer, and after a period of time, the electrode layer is heated by the voltage to increase the temperature, so that the transparent layer surface does not produce frost and dew condensation phenomenon, and can also realize real-time defogging and defrosting. Both sides of the ITO layer can be electrified to realize defogging and defrosting, and the voltage is safe and harmless to the human body.

[0034] Example 2

[0035] Based on example 1, the first transparent layer 10 and the second transparent layer 50 use transparent glass layers, and the first transparent layer 10, the first horizontal ITO electrode layer 20, the electrochromic film 30, the second vertical ITO electrode layer 40 and the second transparent layer 50 are sequentially solidified and adhered together to form a transparent glass, and the first horizontal ITO electrode layer 20 and the second vertical ITO electrode layer 40 are electrified at the same time, so that the glass on both sides can achieve heating effect and will not produce frost and dew condensation phenomenon.

[0036] The thickness of the first transparent layer 10 is 0.3-30mm, and the thickness of the second transparent layer 50 is 0.3-30mm.

[0037] The transmittance of the first transparent glass layer and the second transparent glass layer is generally controlled between 85% and 95%, which is suitable for processing into handicraft glass and meets the market decoration requirements.

[0038] The application inputs different voltages to each electrode layer through a voltage controller, and the voltage is applied to one side ITO electrode layer, and after a period of time, the electrode layer is heated by the voltage to increase the temperature, so that the glass surface does not produce frost and dew condensation phenomenon, and can also realize real-time defogging and defrosting. Both sides of the ITO layer can be electrified to realize defogging and defrosting, and the voltage is safe and harmless to the human body. The application has simple structure, fast heating speed and high heating efficiency.

[0039] Example 3

[0040] Based on example 1, the first transparent layer 10 and the second transparent layer 50 can use flexible materials, including a flexible film layer, and the flexible film layer includes PI, PMMA, PC, PP and PET film, and the thickness of the flexible film layer is 50-300um.

[0041] The application is described with PET film, and the PET film layer is a comprehensive performance packaging film. The PET film layer has a high melting point, about 250-260 DEG C, good thermal stability and dimensional stability, and can maintain stable performance in a high temperature environment. The PET film layer has high tensile strength, bending strength and impact strength, and good wear resistance and fatigue resistance. The PET film layer has good electrical insulation performance, low dielectric constant and dielectric loss, high arc resistance, and is suitable for various scenes. The PET film layer has good chemical resistance, and the PET film layer has good resistance to most organic solvents, acids and bases, and oils. The PET film layer has good transparency and gloss, and is suitable for gradient color film materials.

[0042] Example 4

[0043] Based on example 1, the first transparent layer 10 and the second transparent layer 50 can adopt flexible materials, including a film layer, and the film layer includes PVB, SGP, TPU, OCA and EVA film.

[0044] In the description of the application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0045] The specific embodiments of the application are described above. It should be understood that the application is not limited to the specific implementation described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the application. In the case of no conflict, the embodiments of the application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A gradient color electrochromic device with a heatable function, characterized in that, The material comprises, from top to bottom, a first transparent layer (10), a first transverse ITO electrode layer (20), an electrochromic film (30), a second vertical ITO electrode layer (40), and a second transparent layer (50). The first transparent layer (10) is bonded to the first transverse ITO electrode layer (20), and the second transparent layer (50) is bonded to the second vertical ITO electrode layer (40). Both the first transverse ITO electrode layer (20) and the second vertical ITO electrode layer (40) include multiple electrodes arranged in a matrix, and the electrodes of the first transverse ITO electrode layer (20) and the second vertical ITO electrode layer (40) are arranged vertically, and each of the electrodes is independently connected to a voltage output device.

2. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The thickness of the first transverse ITO electrode layer (20) is 20-300 nm, and the thickness of the second vertical ITO electrode layer (40) is 20-300 nm.

3. The gradient color electrochromic device with a heating function as described in claim 1, characterized in that, The electrode is rectangular, and one end extends 3-5 mm to the outside of the first transparent layer (10) to form a power connection terminal, with an external AC voltage between 10-220V.

4. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The electrodes in the same layer are arranged in parallel, and the distance between any two adjacent electrodes is the same. The electrode spacing of the first transverse ITO electrode layer (20) and the second vertical ITO electrode layer (40) is the same.

5. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The electrochromic film (30) has a thickness of 100-300 nm and a transmittance ranging from 0.01-90%.

6. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The first transparent layer (10) and the second transparent layer (50) include transparent glass layers. The thickness of the first transparent layer (10) is 0.3-30 mm, and the thickness of the second transparent layer (50) is 0.3-30 mm.

7. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The first transparent layer (10) and the second transparent layer (50) include flexible film layers, which include PI, PMMA, PC, PP, and PET films, and the thickness of the flexible film layers is 50-300um.

8. The gradient color electrochromic device with a heatable function as described in claim 1, characterized in that, The first transparent layer (10) and the second transparent layer (50) include film layers, which include PVB, SGP, TPU, OCA, and EVA films.

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