CN216870983U - Electrochromic device, electrochromic device and vehicle - Google Patents

Abstract

The application discloses an electrochromic device, an electrochromic device and a vehicle, and relates to the technical field of electrochromic. The electrochromic device comprises an electrochromic membrane and a bus bar; the electrochromic membrane comprises a functional area and a wiring area, the wiring area is arranged in the circumferential direction of the functional area in a surrounding mode, and the contour line of the functional area comprises at least one special-shaped section; the bus bar is arranged in the wiring area, the bus bar is arranged at least along one part of the convex polygon, and the bus bar is at least opposite to the special-shaped section. The electrochromic device provided by the application can reduce the laying difficulty of the bus bar and improve the processing efficiency of the electrochromic device.

Description

Electrochromic device, electrochromic device and vehicle

Technical Field

The application relates to the technical field of electrochromism, in particular to an electrochromic device, an electrochromic device and a vehicle.

Background

With the continuous development of electrochromic technology, electrochromic devices are also widely used. However, to meet different application scenarios, the electrochromic device is usually configured into various shapes, such as a profile with a structure of circular arc, groove, etc., according to requirements.

For the special-shaped electrochromic device, when the bus bar is laid, in the prior art, the shape of the bus bar is usually also set to be special-shaped, for example, the bus bar is arranged to be circular arc, groove shape, etc., and the bus bar needs to be bent for many times during this period, which undoubtedly increases the difficulty of laying the bus bar, affects the laying rate of the bus bar, and correspondingly, also reduces the processing efficiency of the electrochromic device and reduces the productivity.

SUMMERY OF THE UTILITY MODEL

The application provides an electrochromic device, electrochromic device and vehicle to reduce the degree of difficulty of laying of busbar, promote to lay efficiency.

In a first aspect, the present application provides:

an electrochromic device comprises an electrochromic membrane and a bus bar;

the electrochromic membrane comprises a functional area and a wiring area, wherein the wiring area is arranged in the circumferential direction of the functional area in a surrounding manner, and the contour line of the functional area comprises at least one special-shaped section;

the bus bar is arranged in the wiring area, the bus bar is arranged at least along one part of the convex polygon, and the bus bar is at least opposite to the special-shaped section.

In some possible embodiments, the contour line of the functional region includes a plurality of straight line segments and a plurality of the special-shaped segments, the straight line segments are respectively disposed on each side of a convex polygon in a one-to-one correspondence, and any two adjacent straight line segments are connected by a special-shaped segment;

the busbar includes at least a portion of bending, at least a portion of bending one-to-one with equal quantity dysmorphism section sets up relatively.

In some possible embodiments, the contour line of the functional area includes four straight line segments, the four straight line segments are arranged on four sides of a right-angled quadrangle in a one-to-one correspondence, and the special-shaped segment is bent and protruded towards the direction close to the contour line of the wiring area;

the bus bars are arranged along at least one part of another rectangular quadrangle;

the right-angle quadrangle where the bus bar is located and the right-angle quadrangle where the functional area contour line is located form a rectangular ring.

In some possible embodiments, the bus-bar runs once along the right-angled quadrilateral on which it is located.

In some possible embodiments, the contour line of the functional region includes a plurality of straight line segments, the straight line segments are sequentially arranged along a side of a convex polygon, and at least two straight line segments are arranged on at least one side of the convex polygon at intervals;

the at least one special-shaped section is arranged at the interval position of the at least two straight line sections in a one-to-one correspondence mode, and the special-shaped section is connected between the straight line sections on the two sides.

In some possible embodiments, the contour line of the functional area includes five straight line segments and one special-shaped segment, the five straight line segments are sequentially arranged along a side of a right-angle quadrangle, wherein two straight line segments are arranged at an interval on the same side of the right-angle quadrangle, the special-shaped segment is connected between two straight line segments on the same side of the right-angle quadrangle, and the special-shaped segment is concave in a direction away from the contour line of the wiring area;

the bus bars are arranged along at least one part of another rectangular quadrangle;

the right-angle quadrangle where the bus bar is located and the right-angle quadrangle where the functional area contour line is located form a rectangular ring.

In some possible embodiments, the bus-bar runs once along the right-angled quadrilateral on which it is located.

In some possible embodiments, the electrochromic film further includes at least one hollow structure, the at least one hollow structure is disposed in one-to-one correspondence with the at least one special-shaped section, and the hollow structure is disposed on a side of the wiring area close to the special-shaped section.

In some possible embodiments, the routing region includes a preset width;

and the hollow structure is far away from one side of the special-shaped section, and the vertical distance between the hollow structure and the contour line of the wiring area is less than or equal to the preset width.

In some possible embodiments, a filling structure is disposed in the hollow structure.

In a second aspect, the present application also provides an electrochromic device comprising the electrochromic device provided herein.

In a third aspect, the present application also provides a vehicle comprising the electrochromic device provided herein.

The beneficial effect of this application is: the application provides an electrochromic device, an electrochromic device and a vehicle. Electrochromic device includes electrochromic diaphragm and busbar, and wherein, electrochromic diaphragm includes the functional area and encircles the wiring district of functional area circumference, and the contour line of functional area includes an at least dysmorphism section. The bus bar is arranged in the wiring area, and the bus bar is arranged at least along a part of the convex polygon, and the bus bar is at least arranged opposite to the special-shaped section.

Therefore, in the arranging process of the bus bars, when the parts opposite to the special-shaped sections are arranged, the bus bars can be directly arranged along a straight line or can be arranged through one-time bending, and compared with the arranging mode of bending for many times in the prior art, the bending times in the arranging process of the bus bars can be obviously reduced. On one hand, the layout difficulty of the bus bars can be reduced, on the other hand, the layout speed of the bus bars can be improved, the processing efficiency of the electrochromic device is improved, the productivity is improved, and the processing cost can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 shows a schematic of the structure of some electrochromic devices in the prior art;

FIG. 2 shows a schematic representation of the structure of other electrochromic devices of the prior art;

FIG. 3 illustrates a schematic top view of an electrochromic film in some embodiments;

FIG. 4 shows a schematic top view of an electrochromic device in some embodiments;

FIG. 5 shows a schematic top view of an electrochromic device in further embodiments;

FIG. 6 is a schematic diagram showing a top view of an electrochromic device in further embodiments;

FIG. 7 is a schematic top view of an alternative embodiment of an electrochromic device in further embodiments;

FIG. 8 shows a schematic top view of an electrochromic device in further embodiments;

FIG. 9 shows a schematic partial cross-sectional structural view of an electrochromic device in some embodiments;

FIG. 10 shows a schematic top view of a portion of some electrochromic devices according to one embodiment;

FIG. 11 is a schematic diagram showing a partial top view of another electrochromic device in accordance with one embodiment;

FIG. 12 is a schematic diagram showing the correspondence between electrochromic films and roof glass in some embodiments;

FIG. 13 is a schematic top view showing an electrochromic device according to a first embodiment;

FIG. 14 is a schematic diagram showing a top view of some electrochromic films and bus bars in a second embodiment;

FIG. 15 is a schematic top view of another electrochromic film and bus bar according to the second embodiment;

FIG. 16 shows a schematic top view of a portion of some electrochromic devices according to the second embodiment;

fig. 17 illustrates a schematic partial cross-sectional structure of an electrochromic device in some embodiments.

Description of the main element symbols:

100-an electrochromic device; 10-electrochromic film; 101-a first substrate; 102-a first conductive layer; 103-a color changing layer; 104-a second conductive layer; 105-a second substrate; 11-a functional region; 111-straight line segment; 1111-a first straight line segment; 1112-a second straight line segment; 1113-third straight line segment; 1114-fourth straight line segment; 1115-the fifth straight line segment; 1116-a sixth straight line segment; 1117-seventh straight line segment; 1118-eighth straight line segment; 1119-ninth straight line segment; 112-a profiled section; 12-a wiring area; 13-hollow structure; 20-a bus bar; 201-bending part; 30-a filling structure; 200-first curved glass; 300-second curved glass.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Fig. 1 and 2 are schematic diagrams illustrating the arrangement of bus bars in a profiled electro-variable device in the prior art. The outer contour of the functional region 11 includes an irregular section 112 having a shape of a circular arc or a groove, and the bus bar 20 also exhibits a layout manner of a circular arc or a groove at a portion corresponding to the irregular section 112. During this period, the bus bar 20 needs to be bent several times to correspondingly turn the bus bar 20, which increases the difficulty of arranging the bus bar 20. Accordingly, the arrangement efficiency of the bus bar 20 is low, and thus the processing efficiency of the electrochromic device 100 is reduced, the productivity is affected, and the production costs of manpower, material resources and the like are increased.

The embodiment provides an electrochromic device 100, which can improve the arrangement rate of the bus bars 20 and improve the processing efficiency of the electrochromic device 100.

As shown in fig. 3 to 16, the electrochromic device 100 includes an electrochromic film 10 and a bus bar 20.

As shown in fig. 3, the electrochromic film 10 may include a functional region 11 and a wiring region 12. The wiring region 12 is of an annular structure, and the wiring region 12 is circumferentially disposed on the functional region 11. It will be appreciated that in use of the electrochromic device 100, the functional region 11 may serve primarily as a conditioning region for light, exhibiting a reversible change in color and transparency.

As shown in fig. 3-16, in some embodiments, electrochromic device 100 is a shaped electrochromic device. Accordingly, the contour line of the functional region 11 may include at least the shaped segment 112, and at least one of the shaped segments 112 is provided. The irregular section 112 may be circular arc or groove shaped.

As shown in fig. 3 to 5, the bus bar 20 may be used to connect a power supply or the like to supply power to the electrochromic film 10. Under the action of an external electric field and current, the electrochromic film 10 can realize the change of color and transparency, and present the regulation of light.

As shown in fig. 9, the electrochromic film 10 may include a first substrate 101, a first conductive layer 102, a color-changing layer 103, a second conductive layer 104, and a second substrate 105, which are sequentially stacked. It is understood that the electrochromic device 100 includes two bus bars 20, which are respectively used as positive and negative extraction electrodes of the electrochromic device 100 to electrically connect a power supply and the like. Meanwhile, the two bus bars 20 are electrically connected to the first conductive layer 102 and the second conductive layer 104 in a one-to-one correspondence, thereby providing an applied electric field and current to the color changing layer 103. The color-changing layer 103 includes a color-changing material layer, and may further include an electrolyte layer and an ion storage layer, and each layer structure of the color-changing layer 103 may be made of a material that has been disclosed in the prior art, which is not described herein again.

In one embodiment, the electrochromic film 10 includes two opposing surfaces, wherein one bus bar 20 can be disposed adjacent to one side surface of the electrochromic film 10 and the other bus bar 20 can be disposed adjacent to the other side surface of the electrochromic film 10.

Of course, in other embodiments, it is not excluded that both bus bars 20 are arranged on the same side of the electrochromic film 10.

In the embodiment, the two bus bars 20 may be arranged in the same or similar manner, and the detailed description will be given by taking one of the bus bars 20 as an example.

In an embodiment, the bus bars 20 may be disposed in the wiring region 12. The bus bars 20 may be routed along at least a portion of the convex polygon. It will be appreciated that the bus bars 20 may be laid out one turn along the convex polygon, i.e. the laid bus bars 20 present a closed convex polygon. Or, the bus bar 20 is disposed along a part of the side of the convex polygon, and the disposed bus bar 20 is in a non-closed shape.

As shown in fig. 4-16, in some embodiments, the bus bar 20 is disposed opposite at least one profiled section 112. When the bus bars 20 are arranged on the corresponding portion of the special-shaped section 112, the bus bars 20 can be arranged directly along a straight line or by bending once, and compared with the arrangement of the bus bars 20 along a shape such as an arc or a groove, the bending times are obviously reduced, and the operation is easier.

Therefore, the electrochromic device 100 provided by the embodiment can obviously reduce the difficulty in laying the bus bars 20, improve the laying rate of the bus bars 20, improve the processing efficiency of the electrochromic device 100, and improve the productivity. Meanwhile, the labor and material costs in the processing of the electrochromic device 100 can be reduced.

Example one

As shown in fig. 3 and 4, in some embodiments, electrochromic device 100 may appear rectangular. The outline of the functional region 11 includes four straight line segments 111, i.e., a first straight line segment 1111, a second straight line segment 1112, a third straight line segment 1113, and a fourth straight line segment 1114. In the embodiment, the four straight line segments 111 are respectively disposed on four sides of a rectangle in a one-to-one correspondence. The first straight line segment 1111 is opposite to and parallel to the third straight line segment 1113, and the second straight line segment 1112 is opposite to and parallel to the fourth straight line segment 1114. The length of first straight segment 1111 may be greater than the length of second straight segment 1112.

In addition, the contour of the functional area 11 also includes four shaped segments 112. Any two adjacent straight line segments 111 are connected by a special-shaped segment 112. In the embodiment, the irregular segment 112 is in the shape of a circular arc protruding toward the contour of the wiring area 12. It is understood that the outline of the wiring region 12 may refer to a side of the wiring region 12 away from the functional region 11.

In some embodiments, the bus bars 20 run one turn along the other rectangle, i.e. the bus bars 20 appear as closed rectangles. In an embodiment, the rectangle in which the bus bar 20 is located and the rectangle in which the contour of the functional region 11 is located may form a rectangular ring, i.e., they are nested with each other. Correspondingly, the circumferential direction of the bus bar 20 may include four bending portions 201 respectively disposed at four vertex angles of the rectangle. In an embodiment, four bending portions 201 may be disposed in one-to-one correspondence with four special-shaped segments 112.

It is understood that the bus bar 20 may include four straight line segments arranged in series, the four straight line segments being opposed to and parallel to the four straight line segments 111 of the contour line of the functional region 11 in a one-to-one correspondence.

In the process of laying the bus bar 20, when laying the position relative to the special-shaped section 112, the bus bar 20 can directly turn to by bending ninety degrees once, and then can enter into the laying of another straight-line section part. That is, the bus bar 20 can be arranged at the corresponding position by being bent at one time. In the prior art, the bus bar 20 is arranged along the arc shape, and needs to be bent for a plurality of times at small angles to gradually realize steering, so that the operation is complicated.

Therefore, compared with the prior art, the electronic color-changing device 100 provided in the embodiment can significantly reduce the bending times of the bus bar 20 in the layout process, and improve the layout rate of the bus bar 20, thereby improving the processing efficiency of the electrochromic device 100. Meanwhile, the operation difficulty of the processing procedure can be reduced, the product yield can be obviously improved, and the processing cost is reduced.

In other embodiments, the four straight line segments 111 of the contour of the functional region 11 can be respectively disposed on four sides of a square. Correspondingly, the bus bars 20 can also run along another square.

In other embodiments, as shown in fig. 5, the bus bars 20 may be disposed only on a portion of the side of the corresponding rectangle, for example, the bus bars 20 may be disposed in a substantially U-like shape.

In other embodiments, the electrochromic device 100 may have a triangular shape, as shown in fig. 6 and 7. The contour line of the functional region 11 includes three straight line segments 111, and the three straight line segments 111 are respectively disposed on three sides of the triangle in a one-to-one correspondence. Any two adjacent straight line segments 111 are connected through a circular arc-shaped special-shaped segment 112. In an embodiment, the bus bars 20 may be routed along another triangle. The three turns 201 of the bus bar 20 are disposed in one-to-one correspondence with the three profiled sections 112. Of course, in other embodiments, the bus bars 20 may also run along a portion of the triangle.

In other embodiments, as shown in fig. 8, the contour of the functional region 11 may further include five or six straight line segments 111 of equal number. Five or six equal number of straight line segments 111 can be respectively arranged on each side of the corresponding convex polygon such as pentagon or hexagon in a one-to-one correspondence manner. Any two adjacent straight line segments 111 can be connected through a circular arc-shaped special-shaped segment 112. In an embodiment, the bus bars 20 may also be arranged in a circle or a portion along a convex polygon such as a pentagon or a hexagon. It is understood that the number of sides of the convex polygon along which the bus bar 20 is positioned is equal to the number of sides of the convex polygon along which the contour of the functional region 11 is positioned. The bus bar 20 is arranged around the contour line of the functional region 11, and the bent part 201 on the bus bar 20 is opposite to the special-shaped section 112.

As shown in fig. 10 and fig. 11, further, the electrochromic film 10 further includes a hollow structure 13. In an embodiment, the hollow structure 13 may be a through hole structure opened on the electrochromic film 10, that is, one side surface of the electrochromic film 10 is communicated to the other side surface.

In an embodiment, the electrochromic device 100 may be a flexible electrochromic device having a flexible substrate, and may be applied to a sunroof glass or the like of an automobile. It will be appreciated that automotive roof glazings are generally curved and have a highest point relative to the horizontal. Meanwhile, the sunroof glass may include a dividing line passing through the highest point, the dividing line extending substantially in a vehicle width direction of the vehicle. Any point on the dividing line is the highest point of the connecting line of the point along the length direction of the automobile body.

As shown in fig. 12, the O' point is a projection point of the highest point of the skylight glass on the electrochromic film 10. The straight line M' is the straight line where the division line projects on the electrochromic film 10. On the side of the straight line M ', the point B ' is the closest point to the point O ' on the contour line of the electrochromic film 10. On the other side of the line M ', point D ' is the closest point to point O ' on the contour line of the electrochromic film 10. When the electrochromic film 10 is attached to the curved glass of a skylight glass, the electrochromic film 10 may have significant wrinkles at the edge positions, particularly near points B 'and D'.

In the embodiment, with reference to fig. 10 and 11, on the side close to the point B ', the hollow structure 13 is disposed on the side of the corresponding special-shaped section 112 away from the functional region 11, so that the point a' farthest from the point O 'on the contour line of the electrochromic film 10 is moved to the opposite special-shaped section 112, that is, the point a is located, and the length of the point a from the point O' tends to be the same as the length of the line segment O 'B'. Similarly, on the side close to D ', by providing the hollow structure 13 on the side of the corresponding special-shaped section 112 away from the functional region 11, the point C' farthest from the point O 'on the contour line of the electrochromic film 10 can be moved to the opposite special-shaped section 112, i.e. the point C, and the length of the point C from the point O' tends to be the same as the length of the line segment O 'D'.

Therefore, when the electrochromic film 10 is attached to the curved glass, the stress of the folds generated on the edge of the electrochromic film 10 tends to be uniformly distributed, rather than being concentrated near the points B 'and D', and the concentration of the stress can be reduced. In addition, the uniformly distributed stresses can be mutually offset by the tension of the electrochromic film 10, so that the generation of wrinkles on the edge of the electrochromic film 10 is eliminated, and the wrinkling problem on the edge of the electrochromic device 100 can be improved.

As shown in fig. 10 and fig. 11, the area of the hollow structures 13 can be set as needed, so as to improve the problem of wrinkles generated at the edge of the electrochromic device 100.

As shown in fig. 9, in some embodiments, bus bar 20 may be disposed on first conductive layer 102 and second conductive layer 104 by completely cutting off the corresponding film structure in wiring region 12 to expose the portions of first conductive layer 102 and second conductive layer 104 in wiring region 12.

After the film layer structure at the corresponding position on the electrochromic film 10 is cut off, a part of the material of the color-changing layer 103, that is, a part of the color-changing layer 103, remains on the exposed surfaces of the first conductive layer 102 and the second conductive layer 104. Therefore, before the bus bar 20 is arranged, the exposed portions of the first conductive layer 102 and the second conductive layer 104 need to be wiped by a wiping head (not shown), so as to avoid the residual discoloring layer 103 from affecting the arrangement of the bus bar 20.

It is understood that the surface of the conductive layer may exhibit irregularities when the discoloration layer 103 remains on the surface of the conductive layer. When the electrochromic device 100 is attached to curved glass of a sky window, the protruding part of the color-changing layer 103 remaining on the conductive layer of the wiring area 12 generates extra stress on the color-changing layer 103 of the functional area 11, thereby affecting the performance of the electrochromic device 100, and even causing the problems of failure and the like of the electrochromic device 100. Meanwhile, the remaining discoloration layer 103 also affects the adhesion of the bus bar 20, so that the connection between the bus bar 20 and the electrochromic film 10 is not firm, resulting in unstable electrical connection.

As shown in fig. 9 and 11, the wiring region 12 may include a preset width m, and the preset width m may be equal to a wiping width of the wiping head. It is understood that the width of the wire area 12 is larger than the predetermined width m in the corresponding portion of the irregular segment 112. When the exposed portion of the conductive layer of the wiring area 12 is wiped by the wiping head, the portion of the conductive layer on one side of the irregular section 112 is not wiped in place, i.e., the N-region corresponds to the position. Therefore, a part of the color-changing layer 103 still remains on the surface of the conductive layer, which affects the subsequent normal use of the electrochromic device 100.

In the embodiment, the hollow structure 13 is disposed on the special-shaped section 112, so that the electrochromic film 10 at the corresponding position can be cut through, that is, the conductive layer at the position of the wiring area 12 close to the special-shaped section 112 is cut off together, and the width of the relative position of the wiring area 12 and the special-shaped section 112 is smaller than or equal to the preset width m, so that the wiping head can wipe the exposed conductive layer completely, thereby avoiding affecting the layout of the bus bar 20, and ensuring the subsequent normal use of the electrochromic device 100. Specifically, the vertical distance between the side of the hollow structure 13 away from the irregular section 112 and the contour line of the wiring area 12 is less than or equal to the preset width m.

In other embodiments, the conductive layer may be partially exposed by forming a groove in the wiring region 12, and the bus bar 20 may be connected to the conductive layer by an electrode lead, which may be inserted into the groove, and accordingly, the bus bar 20 may be located on the surface of the corresponding substrate.

As shown in fig. 13, further, in some embodiments, the hollow structures 13 may be provided with filling structures 30, which may facilitate the electrochromic device 100 to be attached to a curved glass. At the same time, a reliable support can be provided, unnecessary stress generation can be avoided, and the like. In one embodiment, the filling structure 30 may be disposed flush or protruding with respect to either surface of the electrochromic film 10.

In an embodiment, the filling structure 30 may also be made of one or more of optical cement, solid optical cement, ionic intermediate film, liquid optical cement, and other bonding materials.

Example two

As shown in fig. 14, in some embodiments, the electrochromic device 100 may appear rectangular. The contour of functional area 11 includes five straight line segments 111, namely a fifth straight line segment 1115, a sixth straight line segment 1116, a seventh straight line segment 1117, an eighth straight line segment 1118, and a ninth straight line segment 1119. In the illustrated embodiment, five straight segments 111 are arranged in sequence along four sides of a rectangle.

In some embodiments, the seventh straight segment 1117 and the eighth straight segment 1118 may be located on the same side of the rectangle and spaced apart. The fifth straight line segment 1115 is parallel to and opposite the side on which the seventh straight line segment 1117 and the eighth straight line segment 1118 are located. Accordingly, the sixth straight line segment 1116 and the ninth straight line segment 1119 are parallel, opposite and equal in length.

In an embodiment, the contour of the functional area 11 further comprises a shaped segment 112. The shaped section 112 is connected between the seventh straight section 1117 and the eighth straight section 1118. In some embodiments, the shaped segments 112 extend along two sides of the triangle and are recessed tangentially away from the contour of the wire layout area 12. Accordingly, the corresponding position of the functional region 11 is represented as a triangular groove structure.

Of course, in other embodiments, the shaped segment 112 may also have an inverted U-shape, a semi-circular arc shape, etc. and be recessed away from the outline of the routing region 12.

In the embodiment, the bus bars 20 are arranged in one turn along another rectangle. It is understood that the bus bar 20 may include four straight line segments disposed in series, and the four straight line segments are opposite to and parallel to four sides of the rectangle in which the five straight line segments 111 are located, in a one-to-one correspondence. Accordingly, the bus bar 20 and the contour of the functional region 11 are aligned and nested, that is, the rectangle in which the bus bar 20 is located and the rectangle in which the contour of the functional region 11 is located can form a rectangular ring. Wherein the shaped section 112 is disposed opposite a straight section portion of the bus bar 20.

In the arrangement process of the bus bar 20, when the bus bar 20 is arranged at the position opposite to the special-shaped section 112, the bus bar 20 can be directly arranged along a straight line without bending operation. In the prior art, the bus bar 20 is bent along the special-shaped section 112 for multiple times, which is cumbersome to operate.

Therefore, the electrochromic device 100 provided in this embodiment can significantly increase the arrangement rate of the bus bars 20, and increase the processing efficiency of the electrochromic device 100. Meanwhile, the operation difficulty of the processing procedure can be reduced, the product yield is improved, and the processing cost is reduced.

In other embodiments, the contour of the functional area 11 may further include six, seven, eight, etc. straight line segments 111. A plurality of straight line segments 111 may be arranged in sequence along a rectangle. Two or three straight line segments 111 of equal number are positioned on the same side of the rectangle and are spaced from each other. Alternatively, two straight line segments 111 may be disposed at an interval on the same side of the rectangle, and the other two straight line segments 111 may be disposed at an interval on the other side of the rectangle. Meanwhile, the irregular segments 112 can also be arranged in two, three, etc. numbers. Two spaced straight segments 111 can be connected by a shaped segment 112. In an embodiment, the profiled section 112 may be disposed opposite the straight section of the bus bar 20.

In other embodiments, as shown in fig. 15, the bus bar 20 may be disposed only on a portion of the side of the corresponding rectangle, for example, the bus bar 20 may have a substantially U-like shape, and the bus bar 20 is disposed opposite to the special-shaped section 112. Of course, the bus bar 20 may be arranged only along one side of the rectangle opposite to the profiled section 112.

In other embodiments, the plurality of straight line segments 111 of the contour of the functional region 11 may be sequentially arranged along a convex polygon such as a triangle, a pentagon, a hexagon, an octagon, etc. At least one side of the convex polygon is provided with at least two spaced straight line segments 111, which are connected by corresponding special-shaped segments 112. The bus bars 20 may also be arranged along a convex polygon such as a triangle, a pentagon, a hexagon, an octagon, etc., and the bus bars 20 may be nested in alignment with the contour lines of the functional region 11. Accordingly, the profiled section 112 may be disposed opposite the straight section of the bus bar 20.

Of course, in other embodiments, the straight line segments 111 on any two adjacent sides of the polygon may also be connected by the special-shaped segment 112, and the special-shaped segment 112 at this position may be in the shape of a circular arc and is curved and protruded toward the direction close to the contour line of the wiring region 12.

As shown in fig. 16, the electrochromic film 10 includes a hollow structure 13, and the hollow structure 13 is disposed in the wiring region 12 at a position opposite to the irregular section 112. Specifically, the cross section of the hollow structure 13 may be triangular, and two side edges of the hollow structure 13 may be disposed to fit the special-shaped section 112.

In some embodiments, when the electrochromic device 100 is applied to an electrochromic device such as a skylight glass, a corresponding antenna or other structures need to be disposed below the electrochromic device to transmit and receive signals. In the embodiment, the hollow structure 13 may be disposed at a position corresponding to the antenna, so as to ensure that the transmitting/receiving signal of the antenna can be smoothly transmitted, and prevent the electrochromic film 10 from blocking the signal transmission of the antenna.

Meanwhile, when the film structure at the corresponding position of the wiring area 12 is completely cut off to expose the conductive layer, the hollowed-out structure 13 can be arranged to ensure that the wiping head can wipe the exposed conductive layer completely, so as to avoid the color-changing layer 103 from remaining. Specifically, the vertical distance between the hollow structure 13 and the contour line of the wiring region 12 at a side away from the irregular section 112 is less than or equal to the predetermined width m.

In some embodiments, the hollow structures 13 may be provided with filling structures 30, and the filling structures 30 may be disposed flush or protruding with respect to any surface of the electrochromic film 10.

EXAMPLE III

As shown in fig. 17, an electrochromic apparatus including the electrochromic device 100 provided in the embodiment is also provided in the embodiment.

In some embodiments, the electrochromic device may be a window glass with a dimming function for use in an automobile. In an embodiment, the electrochromic device may further include a first curved glass 200 and a second curved glass 300, and the electrochromic device 100 may be disposed between the first curved glass 200 and the second curved glass 300 in a fitting manner.

Of course, in other embodiments, the electrochromic device may also be a window glass with a dimming function, and may be applied to buildings such as houses, or vehicles such as automobiles, trains, high-speed rails, and airplanes.

Example four

An embodiment is a vehicle comprising the electrochromic device provided in the embodiment. The vehicle can be one of structures such as an automobile, an engineering vehicle, a train, a high-speed rail, an airplane and the like.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (12)

1. An electrochromic device is characterized by comprising an electrochromic membrane and a bus bar;

the electrochromic membrane comprises a functional area and a wiring area, wherein the wiring area is arranged in the circumferential direction of the functional area in a surrounding manner, and the contour line of the functional area comprises at least one special-shaped section;

the bus bar is arranged in the wiring area, the bus bar is arranged at least along one part of the convex polygon, and the bus bar is at least opposite to the special-shaped section.

2. The electrochromic device according to claim 1, wherein the contour of the functional region comprises a plurality of straight line segments and a plurality of special-shaped segments, the straight line segments are respectively arranged on each side of a convex polygon in a one-to-one correspondence manner, and any two adjacent straight line segments are connected through one special-shaped segment;

the busbar includes at least a portion of bending, at least a portion of bending one-to-one with equal quantity dysmorphism section sets up relatively.

3. The electrochromic device according to claim 2, wherein the contour line of the functional region comprises four straight line segments, the four straight line segments are arranged on four sides of a rectangular quadrilateral in a one-to-one correspondence, and the special-shaped segment is curved and convex in a direction close to the contour line of the wiring region;

the bus bars are arranged along at least one part of another rectangular quadrangle;

the right-angle quadrangle where the bus bar is located and the right-angle quadrangle where the functional area contour line is located form a rectangular ring.

4. Electrochromic device according to claim 3, characterised in that the busbars are laid once along the right-angled quadrilateral in which they lie.

5. The electrochromic device according to claim 1, wherein the contour of the functional region comprises a plurality of straight line segments, the straight line segments are sequentially arranged along the side of a convex polygon, and at least two straight line segments are arranged on at least one side of the convex polygon at intervals;

the at least one special-shaped section is arranged at the interval position of the at least two straight line sections in a one-to-one correspondence mode, and the special-shaped section is connected between the straight line sections on the two sides.

6. The electrochromic device according to claim 5, wherein the contour of the functional region comprises five of said straight line segments and one of said special-shaped segments, the five straight line segments are sequentially arranged along a side of a right-angle quadrilateral, wherein two of said straight line segments are arranged at an interval on the same side of the right-angle quadrilateral, the special-shaped segment is connected between two of said straight line segments on the same side of the right-angle quadrilateral, and the special-shaped segment is concave in a direction away from the contour of the wiring region;

the bus bars are arranged along at least one part of another rectangular quadrangle;

the right-angle quadrangle where the bus bar is located and the right-angle quadrangle where the functional area contour line is located form a rectangular ring.

7. Electrochromic device according to claim 6, characterised in that the busbars are laid once along the right-angled quadrilateral in which they lie.

8. The electrochromic device according to any one of claims 1 to 7, wherein the electrochromic film further comprises at least one hollow structure, the at least one hollow structure is disposed in one-to-one correspondence with the at least one special-shaped section, and the hollow structure is disposed on a side of the wiring region close to the special-shaped section.

9. The electrochromic device of claim 8, wherein the routing region comprises a preset width;

and the hollow structure is far away from one side of the special-shaped section, and the vertical distance between the hollow structure and the contour line of the wiring area is less than or equal to the preset width.

10. The electrochromic device according to claim 8, wherein filling structures are provided in the hollowed-out structures.

11. An electrochromic device, characterized in that it comprises an electrochromic device according to any one of claims 1 to 10.

12. A vehicle comprising the electrochromic device of claim 11.

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