Dimming panel and dimming device

Abstract

A dimming panel (100) and a dimming device. A first substrate (10) comprises a first base (11) and a first electrode (12). The first electrode (12) is located on one side of the first base (11). A second substrate (20) is located on the side of the first electrode (12) away from the first base (11). The second substrate (20) comprises a second base (21), a plurality of second electrodes (22), a plurality of first bonding electrodes (23), and a plurality of first connection lines (24). The plurality of second electrodes (22) are located on the side of the second base (21) close to the first base (11), and the plurality of second electrodes (22) are arranged at intervals; the orthographic projection of each second electrode (22) on the first base (11) overlaps the orthographic projection of the first electrode (12) on the first base (11); the plurality of first bonding electrodes (23) are located on the side of the second base (21) close to the first base (11), and are located on the peripheral side of the plurality of second electrodes (22); and the plurality of first connection lines (24) are connected to the first bonding electrodes (23) and the second electrodes (22). At least two first connection lines (24) among the plurality of first connection lines (24) have different lengths, and the line width of at least part of the longer one of the two first connection lines (24) is greater than the line width of the shorter one.

Description

dimming panel and dimming device Technical Field

[0001] This disclosure relates to the field of dimming technology, and more particularly to a dimming panel and a dimming device. Background Technology

[0002] With the development of dimming technology, dimming panels are being used more and more widely in the fields of architecture and transportation. Dimming panels include polymer-dispersed liquid crystal (PDLC) dimming panels, electrochromic (EC) dimming panels, dye-based liquid crystal dimming panels, or suspended particle device dimming panels. Summary of the Invention

[0003] On one hand, a dimming panel is provided. The dimming panel includes a first substrate, a second substrate, and a dye-based liquid crystal layer. The first substrate includes a first substrate and a first electrode. The first electrode is located on one side of the first substrate; the second substrate is located on the side of the first electrode away from the first substrate. The second substrate includes a second substrate, a plurality of second electrodes, a plurality of first bonding electrodes, and a plurality of first connecting lines. The plurality of second electrodes are located on the side of the second substrate close to the first substrate, and the plurality of second electrodes are spaced apart; the orthographic projection of each second electrode on the first substrate overlaps with the orthographic projection of the first electrode on the first substrate; the plurality of first bonding electrodes are located on the side of the second substrate close to the first substrate and are located around the plurality of second electrodes; the plurality of first connecting lines are located on the side of the second substrate close to the first substrate and are connected to the first bonding electrodes and the second electrodes; wherein, at least two of the plurality of first connecting lines have different lengths, and at least a portion of the linewidth of the longer of the two first connecting lines is greater than the linewidth of the shorter of the two first connecting lines. The dye-based liquid crystal layer is located between the first substrate and the second substrate.

[0004] In some embodiments, the first connecting line includes a first sub-segment and a second sub-segment; the first sub-segment is connected to the second electrode and the second sub-segment, and the second sub-segment is connected to the first bonding electrode. The dimming panel also includes a first edge sealant. The first edge sealant is located between the first substrate and the second substrate, and surrounds the dye liquid crystal layer; the plurality of first bonding electrodes are located on the periphery of the first edge sealant. The first sub-segment is embedded within the first edge sealant; a first portion of the second sub-segment is embedded within the first edge sealant and connected to the first sub-segment; the orthographic projection of the second portion of the second sub-segment onto the first substrate is offset from the orthographic projection of the first edge sealant onto the first substrate, and is connected to the first bonding electrode; the linewidth of the first sub-segment is greater than the linewidth of the second sub-segment.

[0005] In some embodiments, the first connection line points from the second substrate to the first substrate, and includes a first conductive line and a first protective layer stacked together; the first protective layer and the second electrode are made of the same material and are disposed in the same layer. The second substrate further includes a second bonding electrode and a third bonding electrode. The second bonding electrode is located on the side of the second substrate closer to the first substrate. Along a first direction, the first bonding electrodes are spaced apart, and along the first direction, the plurality of second bonding electrodes are located on one side of the plurality of first bonding electrodes and are suspended; the second bonding electrode and the second electrode are made of the same material and are disposed in the same layer. The third bonding electrode is located on the side of the second substrate closer to the first substrate. Along the first direction, the third bonding electrode is located on the other side of the plurality of first bonding electrodes and is suspended; the third bonding electrode and the second electrode are made of the same material and are disposed in the same layer.

[0006] In some embodiments, the plurality of second electrodes extend along a first direction and are spaced apart along a second direction; along the second direction, the plurality of first bonding electrodes are located on a first side of the plurality of second electrodes; the plurality of first bonding electrodes include a first type of bonding electrode and a second type of bonding electrode; wherein the first direction and the second direction intersect; wherein, in two adjacent second electrodes, the first end of one is connected to the first type of bonding electrode, and the second end of the other is connected to the second type of bonding electrode; the first connecting line connected to the first type of bonding electrode winds around the first and second sides of the plurality of second electrodes and connects to one end of the second electrode, and the first connecting line connected to the second type of bonding electrode winds around the first and third sides of the plurality of second electrodes and connects to one end of the second electrode; wherein, along the first direction, the second side and the third side are arranged opposite to each other.

[0007] In some embodiments, the first type of bonding electrode and the second type of bonding electrode are located on opposite sides of a first axis, which extends along a second direction; the first connecting line connecting the first type of bonding electrode and the first type of bonding electrode is located on one side of the first axis, and the first connecting line connecting the second type of bonding electrode and the second type of bonding electrode is located on the other side of the first axis.

[0008] In some embodiments, the second electrode connected to one of two adjacent first-type bonding electrodes that is farther from the first axis is farther from the first bonding electrode than the second electrode connected to the other; and / or, the second electrode connected to one of two adjacent second-type bonding electrodes that is farther from the first axis is farther from the first bonding electrode than the second electrode connected to the other.

[0009] In some embodiments, the dimming panel further includes conductive particles embedded in the first edge-sealing adhesive; the second substrate further includes a fourth bonding electrode and a second connecting line. The fourth bonding electrode is located on a first side of the plurality of second electrodes; the second connecting line is connected to the fourth bonding electrode and extends to a fourth side of the plurality of second electrodes, the second connecting line located on the fourth side being embedded in the first edge-sealing adhesive; wherein, along the second direction, the fourth side and the first side are arranged opposite to each other. The first electrode is a continuous, monolithic structure; in the orthographic projection of the first substrate, the first electrode is embedded in the first edge-sealing adhesive away from the boundary of the first bonding electrode; the first electrode is located within the inner boundary of the first edge-sealing adhesive near the boundary of the first bonding electrode and the boundaries of the first electrode on both sides along the second direction, the portion of the first electrode embedded in the first edge-sealing adhesive overlapping with the second connecting line; the orthographic projection of the end of the plurality of second electrodes away from the first bonding electrode on the first substrate is located within the inner boundary of the orthographic projection of the first edge-sealing adhesive on the first substrate.

[0010] In some embodiments, the second electrode includes a first sub-part and a second sub-part. Along the first direction, the orthographic projection of the first sub-part onto the first substrate lies within the orthographic projection of the first electrode onto the first substrate; the second sub-part is located on one side of the first sub-part along the first direction and is connected to the first sub-part, and the orthographic projection of the second sub-part onto the first substrate is offset from the orthographic projection of the first electrode onto the first substrate; in the orthographic projection onto the first substrate, the end of the second sub-part away from the first sub-part lies within the first sealing adhesive, and the end of the second sub-part closer to the first sub-part lies within the inner boundary of the first sealing adhesive; wherein, along the second direction, the distance between two adjacent second sub-parts is greater than the distance between two adjacent first sub-parts.

[0011] In some embodiments, the distance between two adjacent portions of the second sub-parts embedded in the first sealing adhesive is greater than the diameter of the outer sphere of the conductive particle.

[0012] In some embodiments, the distance between two adjacent second sub-parts is 7 μm to 13 μm.

[0013] In some embodiments, on the second side of the plurality of second electrodes, the distance between two adjacent first connecting lines is greater than the diameter of the outer sphere of the conductive particle; and / or, on the third side of the plurality of second electrodes, the distance between two adjacent first connecting lines is greater than the diameter of the outer sphere of the conductive particle.

[0014] In some embodiments, the dimming panel further includes a second edge-sealing adhesive and conductive particles. The second edge-sealing adhesive is located between the first substrate and the second substrate, and is situated around the periphery of the first edge-sealing adhesive. The conductive particles are embedded within the second edge-sealing adhesive. The second substrate further includes a fourth bonding electrode and a second connecting line. The fourth bonding electrode is located on a first side of the plurality of second electrodes; one end of the second connecting line is connected to the fourth bonding electrode, and the other end extends into the second edge-sealing adhesive; wherein the first electrode is a continuous, monolithic structure, the orthographic projection of the first electrode on the first substrate and the orthographic projection of the second edge-sealing adhesive on the first substrate overlap, and the orthographic projection of the portion of the first electrode overlapping with the second edge-sealing adhesive on the first substrate overlaps with the orthographic projection of the second connecting line on the first substrate.

[0015] In some embodiments, the second sealing adhesive is located on a first side of the plurality of second electrodes; the second connecting wire is located on a first side of the plurality of second electrodes.

[0016] In some embodiments, there is a gap between the first edge sealant and the second edge sealant.

[0017] In some embodiments, the second connecting line further includes a third sub-segment and a fourth sub-segment. The third sub-segment is embedded in the first sealing adhesive, and a first portion of the fourth sub-segment is embedded in the second sealing adhesive and connected to the third sub-segment. The orthographic projection of the second portion of the fourth sub-segment on the first substrate is offset from the orthographic projection of the second sealing adhesive on the first substrate and is connected to the fourth bonding electrode. The width of the third sub-segment is greater than the width of the fourth sub-segment.

[0018] In some embodiments, the second sealing adhesive extends along the edge of the second substrate; the second sealing adhesive has a plurality of vents, which are spaced apart along the direction in which the second sealing adhesive extends, and the vents penetrate the second sealing adhesive along a fourth direction, which is parallel to the first substrate and intersects the direction in which the second sealing adhesive extends.

[0019] In some embodiments, a first opening is formed by a recess at the boundary of a first side of the first substrate, the first opening exposing the first bonding electrode and the fourth bonding electrode; the dimming panel further includes a circuit board connected to the first bonding electrode and the fourth bonding electrode at the first opening.

[0020] In some embodiments, a first opening is formed by a recess at the boundary of a first side of the first substrate; the first opening exposes the first bonding electrode; a second opening is formed by a recess at the boundary of a first side of the second substrate, the second opening exposing a portion of the first electrode; the dimming panel further includes a circuit board, the circuit board being connected to the first bonding electrode within the first opening and to the first electrode within the second opening.

[0021] In some embodiments, the first electrode is a surface electrode, and the boundary of the first electrode coincides with the boundary of the first substrate.

[0022] In some embodiments, the ends of the plurality of second electrodes away from the plurality of first bonding electrodes are embedded in the first edge sealing adhesive; and / or, the first and second ends of the second electrodes are embedded in the first edge sealing adhesive; and / or, the ends of the plurality of second electrodes close to the plurality of first bonding electrodes are embedded in the first edge sealing adhesive.

[0023] In some embodiments, the distance between two adjacent second electrodes is equal along the first direction, and the distance between two adjacent second electrodes is 7 μm to 13 μm.

[0024] On the other hand, a dimming device is provided. The dimming device includes: a dimming panel as described in any of the above embodiments; the dimming device includes one of a curtain wall, a skylight, an aircraft, a rail vehicle, and a passenger car. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments of this disclosure will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0026] Figure 1 is a structural diagram of a dimming panel according to some embodiments;

[0027] Figure 2A is a cross-sectional view along section line AA in Figure 1;

[0028] Figure 2B is another cross-sectional view along section line AA in Figure 1;

[0029] Figure 3 is a magnified view of part B in Figure 1;

[0030] Figure 4 is a cross-sectional view along section line II in Figure 3;

[0031] Figure 5 is a cross-sectional view along section line CC in Figure 1;

[0032] Figure 6 is a magnified view of part D in Figure 1;

[0033] Figure 7 is another structural diagram of a dimming panel according to some embodiments;

[0034] Figure 8A is a cross-sectional view along section line EE in Figure 7;

[0035] Figure 8B is another cross-sectional view along section line EE in Figure 7;

[0036] Figure 9 is a magnified view of part F in Figure 7;

[0037] Figure 10 is another structural diagram of a dimming panel according to some embodiments;

[0038] Figure 11 is another structural diagram of a dimming panel according to some embodiments;

[0039] Figure 12A is a cross-sectional view along section line GG in Figure 11;

[0040] Figure 12B is another cross-sectional view along section line GG in Figure 11;

[0041] Figure 13A is a cross-sectional view along section line HH in Figure 11;

[0042] Figure 13B is a cross-sectional view along section line HH in Figure 11;

[0043] Figure 14 is a structural diagram of a dimming device according to some embodiments. Detailed Implementation

[0044] The technical solutions in some embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments provided in this disclosure are within the scope of protection of this disclosure.

[0045] Unless the context otherwise requires, throughout the specification and claims, the term "comprise" and its other forms, such as the third-person singular "comprises" and the present participle "comprising," are interpreted as open-ended and encompassing, meaning "including, but not limited to." In the description of the specification, terms such as "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific example," or "some examples," etc., are intended to indicate that a particular feature, structure, material, or characteristic associated with that embodiment or example is included in at least one embodiment or example of this disclosure. The illustrative representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, a particular feature, structure, material, or characteristic may be included in any suitable manner in any one or more embodiments or examples.

[0046] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more.

[0047] In describing some embodiments, the terms "coupled" and "connected," and their derivative expressions, may be used. The term "connected" should be interpreted broadly; for example, a "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection via an intermediate medium. The term "coupled," for example, indicates that two or more components have direct physical or electrical contact. The term "coupled" or "communicatively coupled" may also refer to two or more components that do not have direct contact with each other but still cooperate or interact with each other. The embodiments disclosed herein are not necessarily limited to the content of this document.

[0048] "At least one of A, B and C" has the same meaning as "at least one of A, B or C", both including the following combinations of A, B and C: only A, only B, only C, combinations of A and B, combinations of A and C, combinations of B and C, and combinations of A, B and C.

[0049] "A and / or B" includes the following three combinations: A only, B only, and a combination of A and B.

[0050] As used herein, depending on the context, the term “if” may optionally be interpreted as meaning “when”, “in the event of”, “in response to determination”, or “in response to detection”. Similarly, depending on the context, the phrase “if it is determined that…” or “if [the stated condition or event] is detected” may optionally be interpreted as meaning “in the event of determination that…”, “in response to determination that…”, “when [the stated condition or event] is detected”, or “in response to the detection of [the stated condition or event]”.

[0051] The use of “applies to” or “configured to” in this article implies an open and inclusive language that does not preclude applicability to or configuration to devices that perform additional tasks or steps.

[0052] In addition, the use of "based on" implies openness and inclusivity, because processes, steps, calculations or other actions "based on" one or more conditions or values ​​can in practice be based on additional conditions or values ​​beyond those conditions.

[0053] As used herein, “about,” “approximately,” or “approximately” includes the value stated and the average value within an acceptable range of deviation from the given value, wherein the acceptable range of deviation is determined by a person skilled in the art taking into account the measurement under discussion and the error associated with the measurement of the given quantity (i.e., the limitations of the measurement system).

[0054] As used herein, “parallel,” “perpendicular,” and “equal” include the described situation and situations that are similar to the described situation, within an acceptable range of deviation, which is determined by those skilled in the art taking into account the measurement under discussion and the error associated with the measurement of the particular quantity (i.e., the limitations of the measurement system). For example, “parallel” includes absolute parallelism and approximate parallelism, where the acceptable range of deviation for approximate parallelism can be, for example, within 5°; “perpendicular” includes absolute perpendicularity and approximate perpendicularity, where the acceptable range of deviation for approximate perpendicularity can also be, for example, within 5°. “equal” includes absolute equality and approximate equality, where the acceptable range of deviation for approximate equality can be, for example, the difference between the two equals being less than or equal to 5% of either one.

[0055] It should be understood that when a layer or element is referred to as being on another layer or substrate, it can mean that the layer or element is directly on the other layer or substrate, or that there is an intermediate layer between the layer or element and the other layer or substrate.

[0056] This document describes exemplary embodiments with reference to cross-sectional views and / or plan views, which are idealized exemplary drawings. In the drawings, the thickness of layers and the area of ​​regions are enlarged for clarity. Therefore, variations in shape relative to the drawings are contemplated due to, for example, manufacturing techniques and / or tolerances. Thus, exemplary embodiments should not be construed as being limited to the shapes of the regions shown herein, but rather include shape deviations due to, for example, manufacturing processes. For example, etched areas shown as rectangular would typically have curved features. Therefore, the regions shown in the drawings are schematic in nature, and their shapes are not intended to show the actual shapes of the areas of the device, nor are they intended to limit the scope of the exemplary embodiments.

[0057] The embodiments of this disclosure provide a dimming panel 100, as shown in FIG1, FIG2A and FIG2B. The dimming panel 100 includes a first substrate 10, a second substrate 20 and a dye liquid crystal layer 30.

[0058] As shown in Figure 1, the first substrate 10 includes a first substrate 11 and a first electrode 12. The material of the first substrate 11 may include a material with high light transmittance (e.g., light transmittance greater than or equal to 85%). Exemplarily, the material of the first substrate 11 may include polyethersulfone (PES), polyarylate (PAR), polyetherimide (PEI), polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyimide (PI), polycarbonate (PC), tri-cellulose acetate (TAC), cellulose acetate propionate (CAP), polyphenylene sulfone resin (PPSU), and cycloolefin polymer (Cyclo olefin). One or more of polyimide (COP) and polymethyl methacrylate (PMMA), for example, the material of the first substrate 11 is polyimide.

[0059] As shown in Figures 2A and 2B, the first electrode 12 is located on one side of the first substrate 11. The material of the first electrode 12 may include a conductive material with high light transmittance.

[0060] For example, the material of the first electrode 12 includes indium tin oxide (ITO). This arrangement results in high light transmittance and good corrosion resistance for the first electrode 12.

[0061] Based on the above embodiments, the first substrate 10 further includes a first alignment layer, which is located on the side of the first electrode 12 away from the first substrate 11.

[0062] In some examples, the material of the first orientation layer includes polyimide.

[0063] As shown in Figures 2A and 2B, the second substrate 20 is located on the side of the first electrode 12 away from the first substrate 11, and the second substrate 20 includes a second substrate 21 and a second electrode 22.

[0064] The material of the second substrate 21 can be the same as that of the first substrate 11. For example, both the second substrate 21 and the first substrate 11 may be made of polyimide. This can improve the uniformity of materials in the dimming panel 100 and reduce the manufacturing cost of the dimming panel 100.

[0065] As shown in Figures 2A and 2B, the second electrode 22 is located on the side of the second substrate 21 closest to the first substrate 11. The material of the second electrode 22 can be the same as that of the first electrode 12; for example, both the first electrode 12 and the second electrode 22 can be made of indium tin oxide. This further improves the uniformity of materials in the dimming panel 100 and reduces the manufacturing cost of the dimming panel 100.

[0066] Based on the above embodiments, the second substrate 20 further includes a second alignment layer. The alignment direction of the second alignment layer is parallel to the alignment direction of the first alignment layer. The material of the second alignment layer can be the same as the material of the first alignment layer. For example, both the material of the second alignment layer and the material of the first alignment layer include polyimide. In this way, the uniformity of materials in the dimming panel 100 can be further improved, and the manufacturing cost of the dimming panel 100 can be reduced.

[0067] As shown in Figures 1, 2A and 2B, the dye liquid crystal layer 30 is located between the first substrate 11 and the second substrate 21. The dye liquid crystal layer 30 includes a plurality of dye molecules 31 and a plurality of liquid crystal molecules 32 (in Figure 1, the black ellipse represents the dye molecule 31 and the white ellipse represents the liquid crystal molecule 32).

[0068] In some examples, the liquid crystal molecule 32 includes either a positive liquid crystal molecule 32 or a negative liquid crystal molecule 32. The dielectric constant of the positive liquid crystal molecule 32 along its long axis is greater than that along its short axis. When an external electric field is applied to the positive liquid crystal molecule 32, its long axis deflects along a direction parallel to the electric field. The dielectric constant of the negative liquid crystal molecule 32 along its long axis is less than that along its short axis. When an external electric field is applied to the negative liquid crystal molecule 32, its long axis deflects along a direction perpendicular to the electric field.

[0069] The dye molecule 31 includes either a positive dye molecule 31 or a negative dye molecule 31. The absorbance of the positive dye molecule 31 along its long axis is greater than its absorbance along its short axis. That is, the absorbance of the positive dye molecule 31 is minimum when its long axis is perpendicular to the first substrate 10, and maximum when its long axis is parallel to the first substrate 10. Similarly, the absorbance of the negative dye molecule 31 along its long axis is less than its absorbance along its short axis. That is, the absorbance of the negative dye molecule 31 is maximum when its long axis is perpendicular to the first substrate 10, and minimum when its long axis is parallel to the first substrate 10.

[0070] As shown in Figures 1, 2A, and 2B, the long axes of the multiple liquid crystal molecules 32 are approximately parallel and form an angle with the first substrate 10. Changing the voltage difference between the first electrode 12 and the second electrode 22 can change the angle between the long axis of the liquid crystal molecules 32 and the first substrate 10, thereby changing the angle between the dye molecules 31 and the first substrate 10, changing the absorbance of the dye molecules 31, and thus changing the transmittance of the dimming panel 100.

[0071] In some embodiments, the dimming panel 100 further includes a spacer 40 located between the first substrate 11 and the second substrate 21 to support the first substrate 11 and the second substrate 21. This spacer 40 can reduce the risk of deformation of the first substrate 11 and the second substrate 21, and reduce the risk of inconsistent thickness of the dye liquid crystal layer 30. The spacer 40 can be a spherical spacer 40 made of glass fiber or a rod-shaped spacer 40 made of resin.

[0072] In some examples, the spacer 40 is connected to the first substrate 10 at one end near the first substrate 10, and abuts against the second substrate 20 at the other end away from the second substrate 20.

[0073] In some embodiments, as shown in FIG1, the second substrate 20 includes a plurality of second electrodes 22, which are arranged at intervals, and the orthographic projection of each second electrode 22 on the substrate overlaps with the orthographic projection of the first electrode 12 on the first substrate 11.

[0074] By setting it up in this way, different voltages can be input to at least two of the multiple second electrodes 22, which can make the light transmittance of at least two areas in the dimming panel different, thereby enabling the dimming panel 100 to display text or pictures, such as plants, animals, landscapes, text or company logos.

[0075] In some examples, the second substrate 20 includes two, three, or four second electrodes 22.

[0076] In some examples, the orthographic projection of the second electrode 22 onto the second substrate 21 is circular, rectangular, orthographic, annular, rhomboid, or an irregular shape. For example, the orthographic projection of the second electrode 22 onto the second substrate 21 is rectangular.

[0077] In some embodiments, as shown in FIG3, the second substrate 20 further includes a plurality of first bonding electrodes 23 and a plurality of first connecting lines 24. The plurality of first bonding electrodes 23 are located on the side of the second substrate 21 near the first substrate 11 and on the periphery of the plurality of second electrodes 22. The plurality of first connecting lines 24 are located on the side of the second substrate 21 near the first substrate 11, and the first connecting lines 24 are connected to the first bonding electrodes 23 and the second electrodes 22.

[0078] In this configuration, electrical signals can be transmitted to the second electrode 22 through the first bonding electrode 23 and the first connecting line 24, and different voltages can be transmitted to different second electrodes 22 through different first bonding electrodes 23 and the first connecting line 24, so that the voltage values ​​on at least two of the multiple second electrodes 22 are different, and the light transmittance of at least two areas in the dimming panel 100 is different, thereby enabling the dimming panel 100 to display text or pictures, such as plants, animals, landscapes, text or company logos.

[0079] In some examples, such as 3, multiple first bonding electrodes 23 are arranged at intervals along the first direction X.

[0080] In some embodiments, the voltage of the second electrode 22 is an alternating current voltage. This configuration can mitigate the problem of liquid crystal molecule aggregation, improve the response speed of the liquid crystal molecules, and enhance the dimming effect of the dimming panel 100.

[0081] In some examples, the linewidth of the first connecting line 24 is 100μm to 200μm. For example, the linewidth of the first connecting line 24 is 100μm, 120μm, 134μm, 140μm, 150μm, 167μm, 170μm, 185μm or 200μm.

[0082] In related technologies, the dimming effect of dimming panels is poor. The inventors discovered that when multiple first connecting lines have equal linewidths and at least two of them have different lengths, the longer first connecting line has higher resistance, while the shorter one has lower resistance. This results in a longer charging time for the second electrode connected to the higher-resistance first connecting line, and a shorter charging time for the second electrode connected to the lower-resistance first connecting line. Within the preset charging time, the second electrode with the longer charging time cannot be fully charged, and the voltage on the second electrode cannot reach the preset voltage, causing the transmittance of the dye-liquid crystal layer in this area to fall below the preset transmittance. Conversely, the second electrode with the shorter charging time can be fully charged, and the voltage on the second electrode can reach the preset voltage, allowing the transmittance of the dye-liquid crystal layer in this area to reach the preset transmittance. Consequently, some areas of the dimming panel achieve the preset transmittance value, while others do not. This results in the dimming panel failing to correctly display preset text or images, leading to a poor dimming effect.

[0083] To address the aforementioned technical problems, some embodiments of this disclosure also provide a dimming panel 100, in which at least a portion of the line width of the longer first connecting line 24 of the two first connecting lines 24 is greater than the line width of the shorter first connecting line 24.

[0084] With this configuration, at least a portion of the linewidth of the longer first connecting line 24 is greater than the linewidth of the shorter first connecting line 24. This reduces the resistance of the longer first connecting line 24, thereby shortening the charging time of the second electrode 22 connected to the longer first connecting line 24. This allows the voltage on the second electrode 22 to reach a preset voltage, and the light transmittance of the dye liquid crystal layer 30 in this area to reach a preset transmittance. As a result, the dimming panel 100 can correctly display preset text or pictures, which helps to improve the dimming effect of the dimming panel 100.

[0085] In some examples, the line width of the first connecting line 24 is equal everywhere, and the line width of the longer first connecting line 24 is greater than the line width of the shorter first connecting line 24.

[0086] In other examples, the first connecting line 24 includes a first segment 241 and a second segment 242. The first segment 241 is connected to the second electrode 22 and the second segment 242, and the second segment 242 is connected to the first bonding electrode 23. The line width of one of the first segment 241 and the second segment 242 is greater than the line width of the other.

[0087] For example, the line width of the first segment 241 is greater than the line width of the second segment 242, the line width of the first segment 241 of the longer first connecting line 24 is greater than the line width of the first segment 241 of the shorter first connecting line 24, and the line width of the second segment 242 of the longer first connecting line 24 is greater than or equal to the line width of the second segment 242 of the shorter first connecting line 24.

[0088] Alternatively, by way of example, the line width of the second sub-segment 242 is greater than the line width of the first sub-segment 241, the line width of the second sub-segment 242 of the longer first connecting line 24 is greater than the line width of the second sub-segment 242 of the shorter first connecting line 24, and the line width of the first sub-segment 241 of the longer first connecting line 24 is greater than or equal to the line width of the first sub-segment 241 of the shorter first connecting line 24.

[0089] In some embodiments, as shown in Figures 2A and 2B, the dimming panel 100 further includes a first edge sealant 50, which is located between the first substrate 11 and the second substrate 21, and surrounds the dye liquid crystal layer 30. In this case, a plurality of first bonding electrodes 23 are located around the periphery of the first edge sealant.

[0090] In this configuration, the first sealing adhesive 50 can block moisture in the air from passing through, thus improving the problem of external moisture entering the dye liquid crystal layer 30 and reducing the risk of material aging in the dye liquid crystal layer 30.

[0091] In some examples, the material of the first sealing adhesive 50 includes polyvinyl butyral (PVB), ethylene-viny acetate copolymer (EVA), or ionic interlayer (SGP), and the embodiments disclosed herein are not listed one by one.

[0092] In some examples, the width of the first edge sealant is 1mm to 3mm. For example, the width of the first edge sealant is 1mm, 1.1mm, 1.5mm, 1.8mm, 2.1mm, 2.4mm, 2.7mm or 3mm.

[0093] In some embodiments, in order to reduce the manufacturing cost of the dimming panel 100, the dimming panel 100 is currently manufactured by first manufacturing a dimming mother plate, and then cutting the dimming mother plate to cut the dimming mother plate into multiple dimming panels 100 (e.g., four dimming panels 100).

[0094] In some examples, the distance d3 between the cutting line and the first edge-sealing adhesive 50 (design position) is greater than W1×K1+K2+K3.

[0095] Wherein, W1 is the designed width of the first edge-sealing adhesive 50, K1 is the width accuracy of the first edge-sealing adhesive 50, for example, K1 is 0.1 mm. K2 is the positional accuracy of the first edge-sealing adhesive 50, for example, K2 is 0.1 mm. K3 is the cutting accuracy of the dimming motherboard, for example, K3 is 0.1 mm.

[0096] This setup reduces the risk of the cutting equipment cutting into the first edge sealant 50.

[0097] In some embodiments, as shown in FIG3, the first connecting line 24 includes a first sub-segment 241 and a second sub-segment 242. The first sub-segment 241 is embedded in the first sealing adhesive 50, and a first portion of the second sub-segment 242 is embedded in the first sealing adhesive 50 and connected to the first sub-segment 241. The orthographic projection of the second portion of the second sub-segment 242 on the first substrate 11 is offset from the orthographic projection of the first sealing adhesive 50 on the first substrate 11, and is connected to the first bonding electrode 23. The linewidth of the first sub-segment 241 is greater than the linewidth of the second sub-segment 242.

[0098] In this configuration, the first segment 241 is encased in the first edge-sealing adhesive 50. The first edge-sealing adhesive 50 protects the first segment 241, reducing the risk of corrosion from external moisture and thus improving the service life of the first connecting wire 24. Although the second segment 242 is partially exposed outside the first edge-sealing adhesive 50, the line width of the first segment 241 is greater than that of the second segment 242, which reduces the exposed area of ​​the second segment 242 and also helps to improve the service life of the first connecting wire 24.

[0099] It is understandable that the first segment 241 being embedded in the first sealing adhesive 50 means that the orthographic projection of the first segment 241 on the second substrate 21 overlaps with the orthographic projection of the first sealing adhesive 50 on the second substrate 21.

[0100] In some examples, as shown in Figure 2A, the first segment 241 is located between the first sealing adhesive 50 and the second substrate 21, and the first sealing adhesive 50 is in contact with the first segment 241.

[0101] In other examples, as shown in Figure 2B, a first segment 241 is located between a first sealing adhesive 50 and a second substrate 21, and the second substrate 20 further includes an insulating layer 2001. The insulating layer 2001 is partially located between the first sealing adhesive 50 and the first segment 241.

[0102] In this configuration, the insulation layer 2001 can reduce the risk of corrosion of the first connecting line 24, and the insulation layer 2001 can also reduce the risk of electrical connection between two adjacent first segments 241, which is beneficial to improving the dimming effect of the dimming panel 100.

[0103] In some examples, the distance d4 between the first edge sealant 50 (designed position) and the first sub-segment 241 is greater than W1×K1+K2.

[0104] Wherein, W1 is the design width of the first edge sealing adhesive 50, K1 is the width accuracy of the first edge sealing adhesive 50, for example, K1 is 0.1 mm. K2 is the positional accuracy of the first edge sealing adhesive 50, for example, K2 is 0.1 mm.

[0105] This configuration reduces the risk that the first segment 241 is located outside the first edge sealant 50, which in turn reduces the risk that the first edge sealant 50 exposes the first segment 241.

[0106] In some embodiments, as shown in Figures 2A and 2B, pointing from the second substrate 21 to the first substrate 11, the first connection line 24 includes a first conductive line 2401 and a first protective layer 2402 stacked together. The material of the first conductive line 2401 includes a metallic material; exemplarily, the material of the first conductive line 2401 includes at least one of aluminum, copper, iron, and molybdenum. The first protective layer and the second electrode are made of the same material and are disposed in the same layer.

[0107] With this configuration, during the fabrication of the second electrode 22, the material of the second electrode 22, namely indium tin oxide, can be coated on the first conductive line 2401. Indium tin oxide has high corrosion resistance and can cover the first connecting line 24 and the first bonding electrode 23, thereby reducing the risk of corrosion of the first connecting line 24 and the first bonding electrode 23. This is beneficial for improving the service life of the first connecting line 24 and the first bonding electrode 23, and thus improving the service life of the dimming panel 100.

[0108] In some examples, the first conductive line 2401 is a single-layer structure; for example, the material of the first conductive line 2401 includes only aluminum.

[0109] In other examples, the first conductive line 2401 has a multilayer structure. For example, the first conductive line 2401 includes a first sublayer, a second sublayer, and a third sublayer stacked together. The material of the first sublayer includes molybdenum, the material of the second sublayer includes aluminum, and the material of the third sublayer includes molybdenum.

[0110] In some embodiments, as shown in Figures 3 and 4, pointing from the second substrate 21 to the first substrate 11, the first bonding electrode 23 includes a first conductive block 2301 and a second protective layer 2302 stacked together. The material of the first conductive block 2301 includes a metallic material; exemplarily, the material of the first conductive block 2301 includes at least one of aluminum, copper, iron, and molybdenum. The second protective layer 2302 and the second electrode 22 are made of the same material and are disposed in the same layer.

[0111] In some examples, the first conductive wire 2401 and the first conductive block 2301 are made of the same material and are arranged in the same layer.

[0112] Based on this, as shown in Figure 3, a plurality of first bonding electrodes 23 are arranged at intervals along the first direction X. The second substrate 20 also includes a second bonding electrode 25 and a third bonding electrode 26.

[0113] The second bonding electrode 25 is located on the side of the second substrate 21 near the first substrate 11. Along the first direction X, multiple second bonding electrodes 25 are located on one side of multiple first bonding electrodes 23 and are suspended. The second bonding electrode 25 being suspended means that it is in an open-circuit state; for example, the second bonding electrode 25 is not connected to other structures in the dimming panel 100. As shown in Figure 4, the second bonding electrode 25 and the second electrode 22 are made of the same material and are disposed in the same layer.

[0114] The third bonding electrode 26 is located on the side of the second substrate 21 closest to the first substrate 11. Along the first direction X, the third bonding electrode 26 is located on the other side of the plurality of first bonding electrodes 23 and is floating. The floating of the third bonding electrode 26 means that the third bonding electrode 26 is in an open-circuit state. For example, the third bonding electrode 26 is not connected to other structures in the dimming panel 100. As shown in Figure 4, the third bonding electrode 26 and the second electrode 22 are made of the same material and are disposed in the same layer.

[0115] In this configuration, the first bonding electrode 23 is positioned between the second bonding electrode 25 and the third bonding electrode 26 along the first direction X. This way, external moisture will corrode the second bonding electrode 25 and the third bonding electrode 26 first, thus reducing the risk of corrosion of the first bonding electrode 23 by external moisture. Because the second bonding electrode 25 and the third bonding electrode 26 are suspended, even if they are corroded, the dimming effect of the dimming panel 100 will not be affected.

[0116] On the other hand, the second bonding electrode 25 and the third bonding electrode 26 have high light transmittance. After the bonding electrodes (first bonding electrode 23, second bonding electrode 25, and third bonding electrode 26) are bonded to the circuit board, the inspector can observe the bonding state between the second bonding electrode 25 and the circuit board through the second bonding electrode 25, thereby inferring the bonding state between the first bonding electrode 23 and the circuit board, and thus judging the bonding quality between the first bonding electrode 23 and the circuit board. And / or, the inspector can observe the bonding state between the third bonding electrode 26 and the circuit board through the third bonding electrode 26, thereby inferring the bonding state between the first bonding electrode 23 and the circuit board, and thus judging the bonding quality between the first bonding electrode 23 and the circuit board.

[0117] Based on this, the third bonding electrode 26 and the second electrode 22 are made of the same material and are disposed in the same layer. This improves the material uniformity in the second substrate 20 and reduces the manufacturing cost of the second substrate 20.

[0118] In some embodiments, as shown in FIG1, a plurality of second electrodes 22 extend along a first direction X and are spaced apart along a second direction Y, and a plurality of first bonding electrodes 23 are located on a first side of the plurality of second electrodes 22 along the second direction Y.

[0119] The plurality of first bonding electrodes 23 include a first type of bonding electrode 231 and a second type of bonding electrode 232, the first type of bonding electrode 231 and the second type of bonding electrode 232 are located on both sides of a first axis X1, the first axis X1 extends along a second direction Y.

[0120] In two adjacent second electrodes 22, the first end of one is connected to the first type of bonding electrode 231, and the second end of the other is connected to the second type of bonding electrode 232. A first connecting line 24 connecting the first type of bonding electrode 231 winds around the first and second sides of the plurality of second electrodes 22 and connects to one end of the second electrode 22. Similarly, a first connecting line 24 connecting the second type of bonding electrode 232 winds around the first and third sides of the plurality of second electrodes 22 and connects to one end of the second electrode 22. The second and third sides are arranged opposite to each other along the first direction X.

[0121] With this configuration, the number of first connecting lines 24 on the second side of the second electrode 22 is reduced, and / or the number of first connecting lines 24 on the third side of the second electrode 22 is reduced. On the one hand, while keeping the width of the first connecting lines 24 constant, the width of the first edge-sealing adhesive 50 can be reduced, which is beneficial for reducing the width of the frame of the dimming panel 100. On the other hand, while keeping the width of the first edge-sealing adhesive 50 constant, the width of the first connecting lines 24 can be increased, reducing the resistance of the first connecting lines 24, improving the quality of the signal transmitted by the first connecting lines 24, and thus improving the dimming effect of the dimming panel 100.

[0122] In some examples, as shown in Figure 1, the first connecting line 24 of the first type of bonding electrode 231 is connected to the first connecting line 24 around the first and second sides of the plurality of second electrodes 22 and connected to the first end of the second electrode 22, and the first connecting line 24 of the second type of bonding electrode 232 is connected to the first connecting line 24 around the first and third sides of the plurality of second electrodes 22 and connected to the second end of the second electrode 22.

[0123] In other examples, the first connecting line 24 of the first type of bonding electrode 231 is connected to the second end of the second electrode 22 by wrapping around the first and second sides of the plurality of second electrodes 22, and the first connecting line 24 of the second type of bonding electrode 232 is connected to the first end of the second electrode 22 by wrapping around the first and third sides of the plurality of second electrodes 22.

[0124] In some embodiments, the first type of bonding electrode 231 and the second type of bonding electrode 232 are located on opposite sides of the first axis X1. The first connecting line 24 connecting the first type of bonding electrode 231 and the first type of bonding electrode 232 is located on one side of the first axis X1. The first connecting line 24 connecting the second type of bonding electrode 232 and the second type of bonding electrode 232 is located on the other side of the first axis X1.

[0125] This configuration reduces the risk of the first connecting line 24 connected to the first type of bonding electrode 231 and the first connecting line 24 connected to the second type of bonding electrode 232 crossing, thus preventing the formation of parasitic capacitance between them and improving the signal quality transmitted through the first connecting line 24. Furthermore, it shortens the length of the first connecting line 24, reducing its resistance and improving the dimming quality of the dimming panel 100.

[0126] In some embodiments, as shown in FIG1, the second electrode 22 connected to one of two adjacent first-type bonding electrodes 231 that is farther away from the first axis X1 is farther away from the first bonding electrode 23 than the second electrode 22 connected to the other.

[0127] In this configuration, the second electrode 22, which is farther from the first bonding electrode 23, is connected to the first type of bonding electrode 231, which is farther from the first axis X1, and the second electrode 22, which is closer to the first bonding electrode 23, is connected to the first type of bonding electrode 231, which is closer to the first axis X1. This reduces the difference in length of the first connecting lines 24 connected to the first type of bonding electrode 231, reduces the difference in resistance between the first connecting lines 24 connected to the first type of bonding electrode 231, and reduces the difference in charging time of the second electrode 22, which is beneficial to improving the dimming effect of the dimming panel 100.

[0128] In some embodiments, as shown in FIG1, the second electrode 22 connected to one of two adjacent second type bonding electrodes 232 that is farther away from the first axis X1 is farther away from the first bonding electrode 23 than the second electrode 22 connected to the other.

[0129] In this configuration, the second electrode 22, which is farther from the first bonding electrode 23, is connected to the second type of bonding electrode 232, which is farther from the first axis X1, and the second electrode 22, which is closer to the first bonding electrode 23, is connected to the second type of bonding electrode 232, which is closer to the first axis X1. This reduces the difference in length of the first connecting lines 24 connected to the second type of bonding electrode 232, reduces the difference in resistance between the first connecting lines 24 connected to the second type of bonding electrode 232, and reduces the difference in charging time of the second electrode 22, which is beneficial to improving the dimming effect of the dimming panel 100.

[0130] In some embodiments, as shown in FIG1, the second substrate 20 includes four second electrodes 22. For ease of description, the first second electrode 22 to the fourth second electrode 22 are sequentially labeled as the first second electrode 22 (1), the second second electrode 22 (2), the third second electrode 22 (3), and the fourth second electrode 22 (4) in the direction from the first bonding electrode 23 to the second electrode 22.

[0131] As shown in Figure 3, for ease of description, the first first binding electrode 23 to the fourth first binding electrode 23 are sequentially labeled as the first first binding electrode 23(1), the second first binding electrode 23(2), the third first binding electrode 23(3), and the fourth first binding electrode 23(4) in the direction from the first end of the second electrode 22 to the second end of the second electrode 22.

[0132] As shown in Figures 1 and 3, the first connecting line 24 connected to the first first binding electrode 23(1) is connected around the first and second sides of the plurality of second electrodes 22 and to the third second electrode 22(3). The first connecting line 24 connected to the second first binding electrode 23(2) is connected around the first and second sides of the plurality of second electrodes 22 and to the first second electrode 22(1). The first connecting line 24 connected to the third first binding electrode 23(3) is connected around the first and third sides of the plurality of second electrodes 22 and to the second second electrode 22(2). The first connecting line 24 connected to the fourth first binding electrode 23(4) is connected around the first and third sides of the plurality of second electrodes 22 and to the second and fourth second electrodes 22(4).

[0133] In some embodiments, as shown in Figures 1 and 5, the dimming panel 100 further includes conductive particles 60 embedded within a first sealing adhesive 50. The second substrate 20 also includes a fourth bonding electrode 27 and a second connecting line 28. The fourth bonding electrode 27 is located on a first side of a plurality of second electrodes 22, and the second connecting line 28 is connected to the fourth bonding electrode 27 and extends to a fourth side of the plurality of second electrodes 22. The second connecting line 28 located on the fourth side is partially embedded within the first sealing adhesive 50. Along the second direction Y, the fourth side and the first side are arranged opposite to each other.

[0134] Furthermore, the first electrode 12 is a continuous, monolithic structure. In the orthographic projection of the first substrate 11, the first electrode 12 is embedded in the first sealing adhesive 50 at the boundary away from the first bonding electrode 23. The boundary of the first electrode 12 near the first bonding electrode 23, as well as the boundaries of the first electrode 12 along the second direction Y, are located within the inner boundary of the first sealing adhesive 50. The portion of the first electrode 12 embedded in the first sealing adhesive 50 overlaps with the second connecting line 28. The orthographic projection of one end of the plurality of second electrodes 22 away from the first bonding electrode 23 on the first substrate 11 is located within the inner boundary of the orthographic projection of the first sealing adhesive 50 on the first substrate 11.

[0135] In this configuration, the first electrode 12 is connected to the fourth bonding electrode 27 via the conductive particles 60 and the second connecting line 28. In this way, the signal on the fourth bonding electrode 27 can be transmitted to the first electrode 12 through the second connecting line 28 and the conductive particles 60, thereby controlling the dimming panel 100.

[0136] In addition, as shown in Figure 3, the fourth bonding electrode 27 is also located between the second bonding electrode 25 and the third bonding electrode 26.

[0137] In some embodiments, as shown in FIG4, the fourth bonding electrode 27 includes a second conductive block 271 and a third protective layer 272 stacked together. The material of the second conductive block 271 includes a metallic material; exemplarily, the material of the second conductive block 271 includes at least one of aluminum, copper, iron, and molybdenum. The third protective layer 272 is made of the same material as the second electrode 22 and is disposed in the same layer.

[0138] In some examples, the second conductive block 271 and the first conductive block 2301 are made of the same material and are disposed in the same layer. The third protective layer 272 and the second protective layer 2302 are made of the same material and are disposed in the same layer.

[0139] In some examples, the conductive particles 60 include conductive gold spheres. Exemplarily, the diameter of the conductive gold spheres is 10 μm to 15 μm, for example, the diameter of the conductive gold spheres is 10 μm, 11 μm, 12 μm, 13 μm, 14 μm or 15 μm.

[0140] In some examples, as shown in Figures 1 and 5, the end of the first electrode 12 away from the first bonding electrode 23 is flush with the portion of the second connecting line 28 located on the fourth side away from the end of the first bonding electrode 23. This allows for a narrower width of the first sealing adhesive 50, thereby reducing the width of the bezel of the dimming panel 100.

[0141] In some examples, the distance d6 between the first sealing adhesive 50 (designed location) and the end of the plurality of second electrodes 22 away from the first bonding electrode 23 is greater than W1×K1+K2.

[0142] Wherein, W1 is the design width of the first edge sealing adhesive 50, K1 is the width accuracy of the first edge sealing adhesive 50, for example, K1 is 0.1 mm. K2 is the positional accuracy of the first edge sealing adhesive 50, for example, K2 is 0.1 mm.

[0143] This arrangement reduces the risk that the ends of the multiple second electrodes 22 furthest from the first bonding electrode 23 are embedded in the first sealing adhesive 50, thus creating a gap between the ends of the multiple second electrodes 22 furthest from the first bonding electrode 23 and the first sealing adhesive 50.

[0144] In some embodiments, as shown in Figures 1 and 3, the second substrate 20 includes two fourth bonding electrodes 27 and two second connecting lines 28. Along a first direction X, one fourth bonding electrode 27 is located on one side of a plurality of first bonding electrodes 23, and the other fourth bonding electrode 27 is located on the other side of the plurality of first bonding electrodes 23. One second connecting line 28 connects to the fourth bonding electrode 27 near the first end of the second electrode 22 along the first axis X1, and extends around the first side, the second side, and to the fourth side of the plurality of second electrodes 22. The other second connecting line 28 connects to the fourth bonding electrode 27 near the second end of the second electrode 22 along the first axis X1, and extends around the first side, the third side, and to the fourth side of the plurality of second electrodes 22.

[0145] In some examples, as shown in Figure 3, the second connecting line 28 further includes a third sub-segment 281 and a fourth sub-segment 282 connected together. The third sub-segment 281 is embedded within the first sealing adhesive 50. The first portion of the fourth sub-segment 282 is embedded within the first sealing adhesive 50 and connected to the third sub-segment 281. The orthographic projection of the second portion of the fourth sub-segment 282 on the first substrate 11 is offset from the orthographic projection of the first sealing adhesive 50 on the first substrate 11 and is connected to the fourth bonding electrode 27. The width of the third sub-segment 281 is greater than the width of the fourth sub-segment 282.

[0146] In this configuration, the third segment 281 is encased in the first sealing adhesive 50. The first sealing adhesive 50 protects the third segment 281, reducing the risk of corrosion from external moisture and thus extending its service life. Although the fourth segment 282 is partially exposed outside the first sealing adhesive 50, the line width of the third segment 281 is greater than that of the fourth segment 282, resulting in a smaller exposed area for the fourth segment 282, which also helps to extend the service life of the second connecting line 28.

[0147] In some embodiments, as shown in FIG6, the second electrode 22 includes a first sub-part 221 and a second sub-part 222. The second sub-part 222 is located on one side of the first sub-part 221 along the first direction X and is connected to the first sub-part 221. Along the first direction X, the orthographic projection of the first sub-part 221 on the first substrate 11 is located within the orthographic projection of the first electrode 12 on the first substrate 11, that is, the first sub-part 221 overlaps with the first electrode 11. The orthographic projection of the second sub-part 222 on the first substrate 11 is offset from the orthographic projection of the first electrode 12 on the first substrate 11, that is, the second sub-part 222 does not overlap with the first electrode 12. In the orthographic projection onto the first substrate 11, the end of the second sub-part 222 away from the first sub-part 221 is located within the first sealing adhesive 50, and the end of the second sub-part 222 near the first sub-part 221 is located within the inner boundary of the first sealing adhesive 50.

[0148] In particular, along the second direction Y, the distance d1 between two adjacent second sub-parts 222 is greater than the distance d2 between two adjacent first sub-parts 221.

[0149] This arrangement allows for a larger distance d2 between two adjacent second sub-parts 222, thereby reducing the risk that the conductive particles 60 may cause the two adjacent second sub-parts 222 to conduct.

[0150] In some examples, the distance between two adjacent second sub-parts 222 is 16μm, 16.5μm, 17μm, 18μm, 18.7μm, 19.2μm, 20μm or 22μm.

[0151] In some examples, the distance d5 between the first sealing adhesive 50 (designed position) and the first sub-part 221 is greater than W1×K1+K2.

[0152] Wherein, W1 is the design width of the first edge sealing adhesive 50, K1 is the width accuracy of the first edge sealing adhesive 50, for example, K1 is 0.1 mm. K2 is the positional accuracy of the first edge sealing adhesive 50, for example, K2 is 0.1 mm.

[0153] This arrangement reduces the risk of the first sub-part 221 extending into the first edge sealant 50, thus creating a gap between the first sub-part 221 and the first edge sealant 50.

[0154] In some examples, along the second direction Y, the widths of multiple first sub-parts 221 are equal, and the widths of multiple second sub-parts 222 are equal.

[0155] In some embodiments, as shown in Figures 1 and 6, along the second direction Y, the distance between two adjacent second sub-parts 222 embedded in the first sealing adhesive 50 is greater than the diameter of the circumscribed sphere of the conductive particle 60. Here, a circumscribed sphere refers to a sphere such that all vertices of the polyhedron lie on the surface of this sphere; this sphere is called the circumscribed sphere of the polyhedron.

[0156] This configuration reduces the risk of partial conduction between adjacent second sub-parts 222 where the first sealing adhesive 50 is embedded, thereby reducing the risk of conduction between adjacent second electrodes 22. This improves the dimming effect of the dimming panel 100.

[0157] In some examples, the conductive particles 60 are conductive gold balls with a diameter of 10 μm to 15 μm. In this case, the distance between the portions of two adjacent second sub-parts 222 that extend into the first sealing adhesive 50 is greater than 15 μm.

[0158] For example, the distance between the portions of two adjacent second sub-parts 222 that extend into the first sealing adhesive 50 is 16μm, 16.5μm, 17μm, 18μm, 18.7μm, 19.2μm, 20μm or 22μm.

[0159] In some examples, as shown in Figure 6, the distance d2 between two adjacent second sub-parts 222 is less than or equal to 13 μm.

[0160] This configuration reduces the risk that the dye liquid crystal between two adjacent second subsections 222 cannot be driven, improves the appearance of visible black lines on the dimming panel 100, and thus enhances the user experience.

[0161] For example, the distance d2 between two adjacent second sub-parts 222 is 5μm, 6μm, 7μm, 7.4μm, 7.9μm, 8μm, 8.5μm, 9.2μm, 10μm, 10.4μm, 11.5μm or 13μm.

[0162] In some examples, as shown in Figure 6, the distance between two adjacent second sub-parts 222 is greater than or equal to 7 μm.

[0163] This configuration reduces coupling crosstalk between two adjacent second sub-parts 222, which helps improve the dimming effect of the dimming panel 100.

[0164] For example, the distance between two adjacent second sub-parts 222 is 7μm, 7.4μm, 7.9μm, 8μm, 8.5μm, 9.2μm, 10μm, 10.4μm, 11.5μm, 13μm, 16μm, 19μm or 20μm.

[0165] In some embodiments, as shown in FIG1, on the second side of the plurality of second electrodes 22, the distance between two adjacent first connecting lines 24 is greater than the diameter of the outer sphere of the conductive particle 60.

[0166] This configuration reduces the risk of the two first connection lines 24 becoming conductive, which helps improve the dimming effect of the dimming panel 100.

[0167] In some embodiments, as shown in FIG1, on the third side of the plurality of second electrodes 22, the distance between two adjacent first connecting lines 24 is greater than the diameter of the outer sphere of the conductive particle 60.

[0168] This configuration reduces the risk of the two first connection lines 24 becoming conductive, which helps improve the dimming effect of the dimming panel 100.

[0169] In some embodiments, as shown in FIG1, a first opening 1 is formed by a boundary recess on a first side of the first substrate 10, and the first opening 1 exposes the first bonding electrode 23 and the fourth bonding electrode 27.

[0170] In addition, the dimming panel 100 also includes a circuit board 70, which is connected to the first bonding electrode 23 and the fourth bonding electrode 27 within the first opening 1.

[0171] In some embodiments, as shown in FIG3, the circuit board 70 has a first bonding portion 71 and a second bonding portion 72. The first bonding portion 71 is bonded to the dimming panel 100, and the second bonding portion 72 is used to connect to other structures, such as automobiles. The second bonding portion 72 includes six fifth bonding electrodes 721, which are labeled as first fifth bonding electrode 721(1), second fifth bonding electrode 721(2), third fifth bonding electrode 721(3), fourth fifth bonding electrode 721(4), fifth fifth bonding electrode 721(15), and sixth fifth bonding electrode 721(6) in a left-to-right direction.

[0172] The first fifth binding electrode 721(1) is connected to the third binding electrode 26 on the left side of the plurality of first binding electrodes 23, the second fifth binding electrode 721(2) is connected to the second first binding electrode 23(1), the third fifth binding electrode 721(3) is connected to the third first binding electrode 23(3), the fourth fifth binding electrode 721(4) is connected to the first first binding electrode 23(1), the fifth fifth binding electrode 721(5) is connected to the fourth first binding electrode 23(4), and the sixth fifth binding electrode 721(6) is connected to the third binding electrode 26 on the right side of the plurality of first binding electrodes 23.

[0173] In some embodiments, as shown in FIG1, one end of a plurality of second electrodes 22 near a plurality of first bonding electrodes 23 is embedded in a first sealing adhesive 50.

[0174] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0175] In other embodiments, as shown in Figures 7, 8A, and 8B, the dimming panel 100 further includes a second sealing adhesive 80 and conductive particles 60. The second sealing adhesive 80 is located between the first substrate 11 and the second substrate 21, and is situated around the periphery of the first sealing adhesive 50. The conductive particles 60 are embedded within the second sealing adhesive 80.

[0176] The second substrate 20 includes a fourth bonding electrode 27 and a second connecting line 28. The fourth bonding electrode 27 is located on a first side of a plurality of second electrodes 22. The second connecting line 28 is connected to the fourth bonding electrode 27 and extends into the second sealing adhesive 80.

[0177] Furthermore, the first electrode 12 is a continuous solid layer structure. The orthographic projection of the first electrode 12 on the first substrate 11 and the orthographic projection of the second sealing adhesive 80 on the first substrate 11 overlap. The orthographic projection of the part of the first electrode 12 that overlaps with the second sealing adhesive 80 on the first substrate 11 overlaps with the orthographic projection of the second connecting line 28 on the first substrate 11.

[0178] In this configuration, the first electrode 12 can also be connected to the fourth bonding electrode 27 via the conductive particles 60 and the second connecting line 28. In this way, the signal on the fourth bonding electrode 27 can be transmitted to the first electrode 12 through the second connecting line 28 and the conductive particles 60, thereby controlling the dimming panel 100.

[0179] In some examples, the width of the second edge sealant 80 is 1mm to 3mm. For example, the width of the second edge sealant 80 is 1mm, 1.1mm, 1.5mm, 1.8mm, 2.1mm, 2.4mm, 2.7mm or 3mm.

[0180] In some examples, as shown in Figures 7, 8A and 8B, the first electrode 12 is a surface electrode, and the boundary of the first electrode 12 coincides with the boundary of the first substrate 11.

[0181] With this configuration, during the fabrication of the first electrode 12, it is only necessary to cover the first substrate 11 with the material forming the first electrode 12, without etching the material on the first substrate 11 to form the first electrode 12. This reduces the fabrication difficulty of the first electrode 12, reduces the fabrication steps of the first substrate 10, and helps to shorten the fabrication time of the dimming panel 100 and improve the fabrication efficiency of the dimming panel 100.

[0182] In some embodiments, along the first direction X, the distance between two adjacent second electrodes 22 is equal, that is, the width of two adjacent second electrodes 22 is equal.

[0183] Based on this, in some examples, the distance between two adjacent second electrodes 22 is less than or equal to 13 μm.

[0184] This configuration reduces the risk that the dye liquid crystal between two adjacent second electrodes 22 cannot be driven, improves the appearance of visible black lines on the dimming panel 100, and thus enhances the user experience.

[0185] For example, the distance between two adjacent second electrodes 22 is 5μm, 6μm, 7μm, 7.4μm, 7.9μm, 8μm, 8.5μm, 9.2μm, 10μm, 10.4μm, 11.5μm or 13μm.

[0186] In some embodiments, the distance between two adjacent second electrodes 22 is greater than or equal to 7 μm.

[0187] This configuration reduces crosstalk between two adjacent second electrodes 22, which helps improve the dimming effect of the dimming panel 100.

[0188] In some examples, the distance between two adjacent second electrodes 22 is 7 μm, 7.4 μm, 7.9 μm, 8 μm, 8.5 μm, 9.2 μm, 10 μm, 10.4 μm, 11.5 μm, 13 μm, 16 μm, 19 μm or 20 μm.

[0189] In some embodiments, one end of the plurality of second electrodes 22 away from the plurality of first bonding electrodes 23 is embedded in the first sealing adhesive 50.

[0190] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0191] In some embodiments, the first end and the second end of the second electrode 22 are embedded in the first sealing adhesive 50.

[0192] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0193] In some embodiments, one end of a plurality of second electrodes 22 near a plurality of first bonding electrodes 23 is embedded in a first sealing adhesive 50.

[0194] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0195] In some embodiments, as shown in FIG7, FIG8A and FIG8B, the second sealing adhesive 80 is located on the first side of the plurality of second electrodes 22, and the second connecting line 28 is located on the first side of the plurality of second electrodes 22.

[0196] With this configuration, on the one hand, the second connecting line 28 is located only on the first side of the second electrode 22, which shortens the length of the second connecting line 28, reduces its resistance, and improves the signal quality transmitted by the second connecting line 28, thereby enhancing the dimming effect of the dimming panel 100. Simultaneously, along the first direction X, only the first connecting line 24 is located on both sides of the second electrode 22, allowing for a larger linewidth of the first connecting line 24, reducing its resistance, and further improving the signal quality transmitted by the second connecting line 28, thus enhancing the dimming effect of the dimming panel 100. On the other hand, when the dimming panel 100 is used for vehicle windows, the second connecting line 28 can be hidden by the door. This reduces the risk of damage to the second connecting line 28 due to external exposure.

[0197] In some examples, as shown in Figure 7, the second sealing adhesive 80 includes two first sub-adhesives 81 extending along a first direction X. Along the first direction X, one first sub-adhesive 81 is located on one side of the plurality of first bonding electrodes 23 and third bonding electrodes 26, and the other first sub-adhesive 81 is located on the other side of the plurality of first bonding electrodes 23 and third bonding electrodes 26.

[0198] In some embodiments, as shown in Figures 7, 8A and 8B, there is a gap between the first edge sealant 50 and the second edge sealant 80.

[0199] This configuration reduces the risk of overlap between the first edge sealant 50 and the second edge sealant 80, and allows the first substrate 11 and the second substrate 21 to be parallel, thereby improving the problem of weak adhesion between the first edge sealant 50 and the first substrate 10 on other sides and helping to reduce the leakage of dye liquid crystal.

[0200] In some examples, as shown in Figure 9, the second connecting line 28 further includes a third sub-segment 281 and a fourth sub-segment 282 connected together. The third sub-segment 281 is embedded in the second sealing adhesive 80. The first portion of the fourth sub-segment 282 is embedded in the second sealing adhesive 80 and connected to the third sub-segment 281. The orthographic projection of the second portion of the fourth sub-segment 282 on the first substrate 11 is offset from the orthographic projection of the second sealing adhesive 80 on the first substrate 11 and is connected to the fourth bonding electrode 27. The width of the third sub-segment 281 is greater than the width of the fourth sub-segment 282.

[0201] In this configuration, the third segment 281 is encased in the second sealing adhesive 80. The second sealing adhesive 80 protects the third segment 281, reducing the risk of corrosion from external moisture and thus extending its service life. Although the fourth segment 282 is partially exposed outside the second sealing adhesive 80, the line width of the third segment 281 is greater than that of the fourth segment 282, resulting in a smaller exposed area for the fourth segment 282, which also helps to extend the service life of the second connecting wire 28.

[0202] In some embodiments, the bonding method between the first electrode 12 and the second electrode 22 and the circuit board 70 is the same as that in the above embodiments, and will not be repeated here.

[0203] In some embodiments, as shown in FIG10, the second sealing adhesive 80 is located only on the first side of the plurality of second electrodes 22, and the second sealing adhesive 80 extends along the edge of the second substrate 21. The second sealing adhesive 80 has a plurality of vents 82, which are spaced apart along the direction in which the second sealing adhesive 80 extends. The vents 82 penetrate the second sealing adhesive 80 along a fourth direction M4. The fourth direction M4 is parallel to the first substrate 11 and intersects the direction in which the second sealing adhesive 80 extends. For example, the fourth direction M4 is parallel to the first substrate 11 and perpendicular to the direction in which the second sealing adhesive 80 extends.

[0204] With this configuration, during the process of extracting air from the dye liquid crystal layer 30, the vent 82 allows the air in the dye liquid crystal layer 30 to flow through the second sealing adhesive 80 to the outside, thereby reducing the risk of dye molecules 31 and liquid crystal molecules 32 puncturing the first sealing adhesive 50.

[0205] In some examples, the width of the vent 82 is 5mm to 20mm along the direction in which the second sealing adhesive 80 extends.

[0206] For example, the width of the vent 82 is 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 18mm, 19mm or 20mm.

[0207] In some embodiments, as shown in Figures 11, 12A, 12B, 13A, and 13B, a first opening 1 is formed by a recess at the boundary of a first side of the first substrate 10, exposing a first bonding electrode 23. A second opening 2 is formed by a recess at the boundary of a first side of the second substrate 20, exposing a portion of the first electrode 11.

[0208] In addition, the dimming panel 100 also includes a circuit board 70, which is connected to the first bonding electrode 23 in the first opening 1 and to the first electrode 12 in the second opening 2.

[0209] In some examples, as shown in Figures 12A, 12B, 13A and 13B, the first electrode 12 is a surface electrode, and the boundary of the first electrode 12 coincides with the boundary of the first substrate 11.

[0210] With this configuration, during the fabrication of the first electrode 12, it is only necessary to cover the first substrate 11 with the material forming the first electrode 12, without etching the material on the first substrate 11 to form the first electrode 12. This reduces the fabrication difficulty of the first electrode 12, reduces the fabrication steps of the first substrate 10, and helps to shorten the fabrication time of the dimming panel 100 and improve the fabrication efficiency of the dimming panel 100.

[0211] In some embodiments, along the first direction X, the distance between two adjacent second electrodes 22 is equal, that is, the width of two adjacent second electrodes 22 is equal.

[0212] Based on this, in some examples, the distance between two adjacent second electrodes 22 is less than or equal to 13 μm.

[0213] This configuration reduces the risk that the dye liquid crystal between two adjacent second electrodes 22 cannot be driven, improves the appearance of visible black lines on the dimming panel 100, and thus enhances the user experience.

[0214] For example, the distance between two adjacent second electrodes 22 is 5μm, 6μm, 7μm, 7.4μm, 7.9μm, 8μm, 8.5μm, 9.2μm, 10μm, 10.4μm, 11.5μm or 13μm.

[0215] In some embodiments, the distance between two adjacent second electrodes 22 is greater than or equal to 7 μm.

[0216] This configuration reduces crosstalk between two adjacent second electrodes 22, which helps improve the dimming effect of the dimming panel 100.

[0217] In some examples, the distance between two adjacent second electrodes 22 is 7 μm, 7.4 μm, 7.9 μm, 8 μm, 8.5 μm, 9.2 μm, 10 μm, 10.4 μm, 11.5 μm, 13 μm, 16 μm, 19 μm or 20 μm.

[0218] In some embodiments, one end of the plurality of second electrodes 22, away from the plurality of first bonding electrodes 23, extends into the first sealing adhesive 50.

[0219] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0220] In some embodiments, the first end and the second end of the second electrode 22 extend into the first sealing adhesive 50.

[0221] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0222] In some embodiments, one end of the plurality of second electrodes 22 near the plurality of first bonding electrodes 23 extends into the first sealing adhesive 50.

[0223] By setting it in this way, the overlapping area of ​​the second electrode 22 and the first electrode 12 can be increased, thereby increasing the dimming area of ​​the dimming panel 100.

[0224] In some embodiments, the present disclosure also provides a dimming device, which includes the dimming panel 100 of any of the above embodiments, and the dimming device includes one of a skylight, curtain wall, rail transit vehicle, automobile, and billboard.

[0225] The dimming panel 100 can be used in the architectural field, for example, in skylights or curtain walls, or in glass partitions. Compared to using brick walls to separate rooms in the architectural field, the dimming device of the present disclosure is thinner, thus saving space. Company logos can also be displayed on the partition glass. In this case, the dimming device including the dimming panel 100 can be, for example, a skylight, curtain wall, etc.

[0226] The dimming panel 100 can also be applied in the transportation sector, for example, in rail transit vehicles or automobiles. Rail transit vehicles may include subways, light rail, elevated rail trains, trams, and maglev trains, and the embodiments disclosed herein do not list them all. Automobiles may include passenger cars, commercial vehicles, trucks, or buses, and the embodiments disclosed herein do not list them all. In this case, the dimming device including the dimming panel 100 may be, for example, a rail transit vehicle, an automobile, etc.

[0227] This disclosure uses a car 1000 as an example to illustrate the dimming device. As shown in FIG14, the car 1000 includes a vehicle body 1010 and a window glass 1020 mounted on the vehicle body 1010. The window glass 1020 can be one or more of the following types of car windows: front window, sunroof, rear window, or side window. The window glass 1020 includes a dimming panel 100 of any of the above embodiments. The dimming panel 100 can also be applied to the central control touch screen in the car 1000.

[0228] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0229] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A dimming panel, comprising: The first substrate includes: First substrate; The first electrode is located on one side of the first substrate; A second substrate is located on the side of the first electrode away from the first substrate; the second substrate includes: Second substrate; A plurality of second electrodes are located on the side of the second substrate closer to the first substrate, and the plurality of second electrodes are spaced apart; the orthographic projection of each second electrode on the first substrate overlaps with the orthographic projection of the first electrode on the first substrate; A plurality of first bonding electrodes are located on the side of the second substrate close to the first substrate and on the periphery of the plurality of second electrodes; Multiple first connection lines are located on the side of the second substrate close to the first substrate and are connected to the first bonding electrode and the second electrode; wherein, at least two of the multiple first connection lines have different lengths, and at least a portion of the line width of the longer first connection line is greater than the line width of the shorter first connection line. A dye liquid crystal layer is located between the first substrate and the second substrate.

2. The dimming panel according to claim 1, wherein, The first connecting line includes a first segment and a second segment; the first segment is connected to the second electrode and the second segment, and the second segment is connected to the first bonding electrode; the dimming panel further includes: A first sealing adhesive is located between the first substrate and the second substrate, and surrounds the dye liquid crystal layer; the plurality of first bonding electrodes are located around the periphery of the first sealing adhesive; The first segment is embedded in the first sealing adhesive; the first part of the second segment is embedded in the first sealing adhesive and connected to the first segment; the orthographic projection of the second part of the second segment on the first substrate is offset from the orthographic projection of the first sealing adhesive on the first substrate and is connected to the first bonding electrode; the line width of the first segment is greater than the line width of the second segment.

3. The dimming panel according to claim 2, wherein, Pointing from the second substrate to the first substrate, the first connection line includes a first conductive line and a first protective layer stacked together; the first protective layer and the second electrode are made of the same material and are disposed in the same layer.

4. The dimming panel according to claim 2 or 3, wherein, Pointing from the second substrate to the first substrate, the first bonding electrode includes a first conductive block and a second protective layer stacked together; the second protective layer and the second electrode are made of the same material and are disposed in the same layer. The second substrate further includes: The second bonding electrode is located on the side of the second substrate closer to the first substrate. The first bonding electrodes are arranged at intervals along the first direction, and the plurality of second bonding electrodes are located on one side of the plurality of first bonding electrodes and are floating. The second bonding electrodes and the second electrode are made of the same material and are disposed in the same layer. The third bonding electrode is located on the side of the second substrate closer to the first substrate. Along the first direction, the third bonding electrode is located on the other side of the plurality of first bonding electrodes and is floating. The third bonding electrode and the second electrode are made of the same material and are disposed in the same layer.

5. The dimming panel according to any one of claims 2 to 4, wherein, The plurality of second electrodes extend along a first direction and are spaced apart along a second direction; along the second direction, the plurality of first bonding electrodes are located on a first side of the plurality of second electrodes; the plurality of first bonding electrodes include a first type of bonding electrode and a second type of bonding electrode; wherein the first direction and the second direction intersect. In one of two adjacent second electrodes, the first end of one is connected to the first type of bonding electrode, and the second end of the other is connected to the second type of bonding electrode; the first connecting line connected to the first type of bonding electrode winds around the first and second sides of the plurality of second electrodes and connects to one end of the second electrode; the first connecting line connected to the second type of bonding electrode winds around the first and third sides of the plurality of second electrodes and connects to one end of the second electrode; wherein, along the first direction, the second side and the third side are arranged opposite to each other.

6. The dimming panel according to claim 5, wherein, The first type of bonding electrode and the second type of bonding electrode are located on both sides of a first axis, which extends along the second direction; The first type of bonding electrode and the first connecting line connected to the first type of bonding electrode are located on one side of the first axis, and the second type of bonding electrode and the first connecting line connected to the second type of bonding electrode are located on the other side of the first axis.

7. The dimming panel according to claim 6, wherein, The second electrode connected to the one of two adjacent first-type bonding electrodes that is farther away from the first axis is farther away from the first bonding electrode than the second electrode connected to the other. And / or, The second electrode connected to one of two adjacent second-type bonding electrodes that is farther from the first axis is further away from the first bonding electrode than the second electrode connected to the other.

8. The dimming panel according to any one of claims 1 to 7, further comprising: Conductive particles are embedded in the first sealing adhesive; The second substrate further includes: The fourth bonding electrode is located on the first side of the plurality of second electrodes; The second connecting line is connected to the fourth bonding electrode and extends to the fourth side of the plurality of second electrodes. The second connecting line located on the fourth side is embedded in the first sealing adhesive. The fourth side and the first side are arranged opposite to each other along the second direction. The first electrode is a continuous, monolithic structure; in the orthographic projection of the first substrate, the first electrode is embedded in the first sealing adhesive away from the boundary of the first bonding electrode; the boundary of the first electrode near the boundary of the first bonding electrode, and the boundaries of the first electrode on both sides along the second direction, are located within the inner boundary of the first sealing adhesive, and the portion of the first electrode embedded in the first sealing adhesive overlaps with the second connecting line; the orthographic projection of the end of the plurality of second electrodes away from the first bonding electrode on the first substrate is located within the inner boundary of the orthographic projection of the first sealing adhesive on the first substrate.

9. The dimming panel according to claim 8, wherein, The second electrode includes: The first sub-part, along the first direction, has its orthographic projection on the first substrate located within the orthographic projection of the first electrode on the first substrate; The second sub-part is located on one side of the first sub-part along the first direction and is connected to the first sub-part. The orthographic projection of the second sub-part on the first substrate is offset from the orthographic projection of the first electrode on the first substrate. In the orthographic projection onto the first substrate, the end of the second sub-part away from the first sub-part is located inside the first sealing adhesive, and the end of the second sub-part close to the first sub-part is located inside the inner boundary of the first sealing adhesive. In this context, along the second direction, the distance between two adjacent second sub-parts is greater than the distance between two adjacent first sub-parts.

10. The dimming panel according to claim 9, wherein, The distance between two adjacent second sub-parts embedded in the first sealing adhesive is greater than the diameter of the outer sphere of the conductive particle.

11. The dimming panel according to claim 9 or 10, wherein, The distance between two adjacent second sub-parts is 7μm to 13μm.

12. The dimming panel according to any one of claims 8 to 11, wherein, On the second side of the plurality of second electrodes, the distance between two adjacent first connecting lines is greater than the diameter of the outer sphere of the conductive particle; and / or, On the third side of the plurality of second electrodes, the distance between two adjacent first connecting lines is greater than the diameter of the outer sphere of the conductive particle.

13. The dimming panel according to any one of claims 1 to 7, wherein, The dimming panel also includes: The second sealing adhesive is located between the first substrate and the second substrate, and the second sealing adhesive is located on the periphery of the first sealing adhesive; Conductive particles are embedded in the second sealing adhesive; The second substrate further includes: The fourth bonding electrode is located on the first side of the plurality of second electrodes; The second connecting wire has one end connected to the fourth bonding electrode and the other end extending into the second sealing adhesive; Wherein, the first electrode is a continuous monolayer structure, the orthographic projection of the first electrode on the first substrate and the orthographic projection of the second sealing adhesive on the first substrate overlap, the orthographic projection of the portion of the first electrode that overlaps with the second sealing adhesive on the first substrate overlaps with the orthographic projection of the second connecting line on the first substrate.

14. The dimming panel according to claim 13, wherein, The second sealing adhesive is located on the first side of the plurality of second electrodes; the second connecting wire is located on the first side of the plurality of second electrodes.

15. The dimming panel according to claim 13 or 14, wherein, There is a gap between the first edge sealant and the second edge sealant.

16. The dimming panel according to any one of claims 13 to 15, wherein, The second connecting line further includes a third segment and a fourth segment. The third segment is embedded in the second sealing adhesive. The first part of the fourth segment is embedded in the second sealing adhesive and connected to the third segment. The orthographic projection of the second part of the fourth segment on the first substrate is offset from the orthographic projection of the second sealing adhesive on the first substrate and is connected to the fourth bonding electrode. The width of the third segment is greater than the width of the fourth segment.

17. The dimming panel according to any one of claims 14 to 16, wherein, The second edge sealant extends along the edge of the second substrate; the second edge sealant has a plurality of vents, which are spaced apart along the direction in which the second edge sealant extends, and the vents penetrate the second edge sealant along a fourth direction, which is parallel to the first substrate and intersects the direction in which the second edge sealant extends.

18. The dimming panel according to any one of claims 8 to 17, wherein, A first opening is formed by a recess at the boundary of the first side of the first substrate, and the first opening exposes the first bonding electrode and the fourth bonding electrode; The dimming panel also includes: The circuit board is connected to the first bonding electrode and the fourth bonding electrode at the first opening.

19. The dimming panel according to any one of claims 5 to 7, wherein, A first opening is formed by a recess at the boundary of the first side of the first substrate; the first opening exposes the first bonding electrode; A second opening is formed by a recess at the boundary of the first side of the second substrate, and the second opening exposes a portion of the first electrode; The dimming panel also includes: The circuit board is connected to the first bonding electrode in the first opening and to the first electrode in the second opening.

20. The dimming panel according to any one of claims 13 to 17 and 19, wherein, The first electrode is a surface electrode, and the boundary of the first electrode coincides with the boundary of the first substrate.

21. The dimming panel according to any one of claims 13-17, 19 and 20, wherein, The ends of the plurality of second electrodes away from the plurality of first bonding electrodes are embedded in the first edge sealing adhesive; and / or, the first and second ends of the second electrodes are embedded in the first edge sealing adhesive; and / or, the ends of the plurality of second electrodes close to the plurality of first bonding electrodes are embedded in the first edge sealing adhesive.

22. The dimming panel according to any one of claims 13-17 and 19-21, wherein, Along the first direction, the distance between two adjacent second electrodes is equal, and the distance between two adjacent second electrodes is 7μm to 13μm.

23. A dimming device comprising a dimming panel as claimed in any one of claims 1 to 22; the dimming device comprising one of a curtain wall, a skylight, an aircraft, a rail vehicle, and a passenger vehicle.

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