Dimming panel assembly, preparation method thereof and vehicle

Abstract

The invention provides a dimming panel assembly, a preparation method thereof and a vehicle. The dimming panel assembly comprises a middle structure, the middle structure comprises a first bonding layer, a dimming assembly and a second bonding layer which are sequentially arranged in a stacked mode, the middle structure further comprises a middle bonding layer arranged on the same layer as the dimming assembly, the middle bonding layer is connected with the first bonding layer and the second bonding layer in a bonding mode, and the middle bonding layer is used for sealing the dimming assembly. The distance between the edge of the middle structure and the edge of the dimming assembly meets a preset range. According to the dimming panel assembly, the distance between the dimming assembly and the edge of the middle structure can be controlled according to requirements, the dimming panel assembly of the narrow-distance edge dimming assembly is obtained, and therefore the appearance performance of the dimming panel assembly is improved, and the use experience of a user is improved.

Description

Technical Field

[0001] The present application belongs to the field of glass technology, and specifically relates to a dimming panel assembly, a preparation method thereof, and a vehicle. Background Art

[0002] As users' requirements for vehicle glass become increasingly sophisticated, dimming components are often installed on the glass to create a dimming panel assembly with dimming functionality. However, in related art, the edge of the dimming panel assembly is far from the edge of the dimming component, resulting in a large area of abrupt color exposure in the user's field of view, which reduces the appearance and performance of the dimming panel assembly and the user experience. Summary of the Invention

[0003] In view of this, the first aspect of the present application provides a dimming panel assembly, which includes an intermediate structure, the intermediate structure including a first bonding layer, a dimming component, and a second bonding layer stacked in sequence, the intermediate structure also including an intermediate bonding layer arranged on the same layer as the dimming component, the intermediate bonding layer bondingly connecting the first bonding layer and the second bonding layer, the intermediate bonding layer being used to seal the dimming component, and the distance between the edge of the intermediate structure and the edge of the dimming component meets a preset range.

[0004] Wherein, the preset range is 2mm to 4mm.

[0005] Among them, the dimming component includes a polarizing layer and a dimming functional layer. The polarizing layer is used to block light from the outside world, and the dimming functional layer is used to block light from the outside world to adjust the visible light transmittance of the dimming panel assembly. The polarizing layer is closer to the outer light-transmitting plate of the dimming panel assembly than the dimming functional layer.

[0006] Among them, the number of the dimming panel assemblies is two, and the outer light-transmitting plates of the two dimming panel assemblies face the same side. The outer surface of the outer light-transmitting plate of one dimming panel assembly has a first Lab value for the reflection color of visible light, and the outer surface of the outer light-transmitting plate of the other dimming panel assembly has a second Lab value for the reflection color of visible light. According to the first Lab value and the second Lab value, a first color difference △E1 is obtained, and △E1≤2.

[0007] In one of the dimming panel assemblies, the outer surface of the outer light-transmitting plate of the dimming panel assembly has a first Lab value and a third Lab value for the reflected color of visible light, and a second color difference ΔE2 is obtained according to the first Lab value and the third Lab value, ΔE2≤2.

[0008] The light from the outside includes a first sub-light with a first polarization direction and a second sub-light with a second polarization direction, and the first direction and the second direction are perpendicular to each other;

[0009] The polarizing layer is used to block one of the first sub-light and the second sub-light, and the dimming function layer is used to block the other of the first sub-light and the second sub-light.

[0010] Among them, the dimming component also includes a first conductive substrate layer, a second conductive substrate layer, a third adhesive layer, and a filling layer. The first conductive substrate layer, the dimming function layer, the second conductive substrate layer, the third adhesive layer, and the polarizing layer are stacked in sequence. The filling layer and the dimming function layer are arranged on the same layer. The filling layer is bonded to connect the first conductive substrate layer and the second conductive substrate layer. The filling layer is used to seal the dimming function layer. The third adhesive layer is bonded to connect the second conductive substrate layer and the polarizing layer.

[0011] Wherein, the edge filling layer satisfies at least one of the following:

[0012] The width of the edge filling layer is 2mm to 8mm;

[0013] The edge of the edge-filling layer is flush with the edge of the dimming component, or the edge-filling layer is indented into the dimming component.

[0014] A second aspect of the present application provides a vehicle, comprising the dimming panel assembly provided in the first aspect of the present application.

[0015] A third aspect of the present application provides a method for preparing a dimming panel assembly, the method comprising:

[0016] Providing an intermediate structure, the intermediate structure comprising a first adhesive layer, a dimming component, and a second adhesive layer stacked in sequence, the intermediate structure further comprising an intermediate adhesive layer disposed on the same layer as the dimming component, the intermediate adhesive layer bonding the first adhesive layer to the second adhesive layer, and the intermediate adhesive layer being used to seal the dimming component;

[0017] The intermediate structure is cut so that the distance between the edge of the intermediate structure and the edge of the dimming component meets a preset range.

[0018] Wherein, after the step of cutting the intermediate structure, the preset range is 2 mm to 4 mm.

[0019] Before the step of cutting the intermediate structure, the distance between the edge of the intermediate structure and the edge of the dimming component is 8 mm to 15 mm.

[0020] Wherein, the step of providing the intermediate structure includes:

[0021] Providing a polarizing layer and a dimming functional layer, wherein the polarizing layer is used to block light from the outside, and the dimming functional layer is used to block light from the outside to adjust the visible light transmittance of the dimming panel assembly;

[0022] The polarizing layer and the dimming function layer are controlled to be stacked, and the polarizing layer is closer to the outer light-transmitting plate of the dimming panel assembly than the dimming function layer.

[0023] The step of providing the intermediate structure further comprises:

[0024] Providing a first conductive substrate layer, a second conductive substrate layer, a third adhesive layer, and a filler layer, wherein the filler layer is used to seal the dimming functional layer;

[0025] The second bonding layer, the first conductive substrate layer, the dimming function layer, the second conductive substrate layer, the third bonding layer, the polarizing layer, and the first bonding layer are controlled to be stacked in sequence, the edge filling layer is arranged on the same layer as the dimming function layer, and a first lamination process is performed to obtain the intermediate structure.

[0026] Before the step of cutting the intermediate structure, the method further comprises:

[0027] Provide outer light-transmitting panels and inner light-transmitting panels;

[0028] After the step of cutting the intermediate structure, the method further comprises:

[0029] The outer light-transmitting plate, the intermediate structure, and the inner light-transmitting plate are controlled to be stacked in sequence, with the first adhesive layer facing the outer light-transmitting plate and the second adhesive layer facing the inner light-transmitting plate, and a second lamination process is performed to obtain a dimming panel assembly.

[0030] Before the step of cutting the intermediate structure, the width of the intermediate structure is 5 mm to 10 mm greater than the width of the outer light-transmitting plate, and the width of the intermediate structure is 5 mm to 10 mm greater than the width of the inner light-transmitting plate.

[0031] Before the step of cutting the intermediate structure, the width of the first adhesive layer and the second adhesive layer is 5mm to 10mm greater than the width of the outer light-transmitting plate, and the width of the first adhesive layer and the second adhesive layer is 5mm to 10mm greater than the width of the inner light-transmitting plate.

[0032] The dimming panel assembly, preparation method thereof, and vehicle provided in the present application can control the distance between the dimming component and the edge of the intermediate structure according to demand to obtain a dimming panel assembly with a narrow-edge dimming component, thereby improving the appearance performance of the dimming panel assembly and enhancing the user experience.

[0033] In addition, the preparation method of the dimming panel assembly is to first compound the first adhesive layer, the dimming component, and the second adhesive layer into an intermediate structure, and then cut the intermediate structure according to the needs, so that the dimming component and the edge of the intermediate structure meet the needs, thereby obtaining a dimming panel assembly with a narrow-pitch edge dimming component. The method is simple and highly operational, and the existing dimming component assembly and packaging process can be adopted without changing the existing assembly process and production line to realize the industrial production of the dimming panel assembly with a narrow-pitch edge dimming component. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments of the present application will be described below.

[0035] Figure 1 This is a structural schematic diagram of a dimming panel assembly provided in one embodiment of the present application.

[0036] Figure 2 A schematic structural diagram of an intermediate structure provided in one embodiment of the present application.

[0037] Figure 3 This is a structural schematic diagram of a dimming panel assembly provided in another embodiment of the present application.

[0038] Figure 4 This is a schematic structural diagram of a dimming component provided in one embodiment of the present application.

[0039] Figure 5 A schematic flow chart of a method for preparing a dimming panel assembly provided in one embodiment of the present application.

[0040] Explanation of reference numerals: dimming panel assembly 1, outer light-transmitting plate 11, inner light-transmitting plate 12, intermediate structure 13, first bonding layer 131, second bonding layer 132, intermediate bonding layer 133, dimming component 134, polarizing layer 1341, dimming functional layer 1342, first conductive substrate layer 1343, second conductive substrate layer 1344, third bonding layer 1345, filling layer 1346, shielding layer 14. DETAILED DESCRIPTION

[0041] The following are preferred implementations of the present application. It should be noted that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

[0042] In view of this, in order to solve the above problems, please refer to Figure 1-Figure 5 This embodiment provides a method for preparing a dimming panel assembly 1, the method comprising:

[0043] S100, provide an intermediate structure 13, the intermediate structure 13 includes a first adhesive layer 131, a dimming component 134, and a second adhesive layer 132 stacked in sequence, the intermediate structure 13 also includes an intermediate adhesive layer 133 arranged on the same layer as the dimming component 134, the intermediate adhesive layer 133 adhesively connects the first adhesive layer 131 and the second adhesive layer 132.

[0044] S200 , cutting the intermediate structure 13 so that the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 meets a preset range.

[0045] Furthermore, before the step S200 of cutting the intermediate structure 13, the method further includes:

[0046] S110 , providing an outer light-transmitting plate 11 and an inner light-transmitting plate 12 .

[0047] After the step S200 of cutting the intermediate structure 13, the method further includes:

[0048] S300, control the outer light-transmitting plate 11, the intermediate structure 13, and the inner light-transmitting plate 12 to be stacked in sequence, with the first adhesive layer 131 facing the outer light-transmitting plate 11, and the second adhesive layer 132 facing the inner light-transmitting plate 12, and perform a second lamination process to obtain a dimming panel assembly 1.

[0049] Among them, the outer light-transmitting plate 11 has a first surface and a second surface, the first surface is away from the middle structure 13 and in contact with the outside environment of the vehicle, and the second surface is close to the middle structure 13; the inner light-transmitting plate 12 has a third surface and a fourth surface, the third surface is close to the middle structure 13, and the fourth surface is away from the middle structure 13 and in contact with the inside environment of the vehicle; the middle structure 13 is arranged between the second surface and the third surface.

[0050] In the intermediate structure 13, the dimming component 134 is disposed between the first adhesive layer 131 and the second adhesive layer 132, and the intermediate adhesive layer 133 is disposed between the first adhesive layer 131 and the second adhesive layer 132. The first adhesive layer 131 adhesively connects the outer light-transmitting plate 11 and the dimming component 134, with its first surface facing away from the first adhesive layer 131 and its second surface adhesively connected to the first adhesive layer 131. The second adhesive layer 132 adhesively connects the inner light-transmitting plate 12 and the dimming component 134, with its third surface adhesively connected to the second adhesive layer 132 and its fourth surface facing away from the second adhesive layer 132. The intermediate adhesive layer 133 adhesively connects the first adhesive layer 131 and the second adhesive layer 132 to seal the dimming component 134. Optionally, the intermediate adhesive layer 133 is disposed around the dimming component 134, and the thickness of the intermediate adhesive layer 133 is equal to the thickness of the dimming component 134.

[0051] Specifically, the material of the outer light-transmitting plate 11 can be selected from at least one of glass and polycarbonate (PC). The thickness of the outer light-transmitting plate 11 is 0.7 mm to 4.0 mm, and the visible light transmittance of the outer light-transmitting plate 11 is ≥ 70%, that is, the visible light transmittance of the outer light-transmitting plate 11 is greater than or equal to 70%. For example, the outer light-transmitting plate 11 is transparent glass, and the total iron content of the transparent glass (in terms of Fe2O3) is less than or equal to 0.1%, or even less than or equal to 0.05%, and further less than or equal to 0.01%, and the visible light transmittance of the transparent glass is 80% to 95%. For example, the outer light-transmitting plate 11 can be a transparent glass with a thickness of 2.1 mm and a visible light transmittance of 89%. The thickness of the outer light-transmitting plate 11 is preferably 1.6 mm to 3.5 mm.

[0052] The inner light-transmitting plate 12 may be made of at least one of glass and polycarbonate (PC). The thickness of the inner light-transmitting plate 12 is 0.7 mm to 4.0 mm, and the visible light transmittance of the inner light-transmitting plate 12 is ≥ 70%. For example, the inner light-transmitting plate 12 is transparent glass or tinted glass, and the total iron content (calculated as Fe2O3) of the transparent glass is less than or equal to 0.1%, or even less than or equal to 0.05%, or further less than or equal to 0.01%, and the visible light transmittance of the transparent glass is 80% to 95%; the total iron content (calculated as Fe2O3) of the tinted glass is 0.1% to 0.8%, preferably 0.1% to 0.5%, and the visible light transmittance of the tinted glass is 70% to 90%. For example, the inner light-transmitting plate 12 can be a transparent glass with a thickness of 2.1 mm and a visible light transmittance of 89%, or it can be a green glass with a thickness of 1.6 mm and a visible light transmittance of 83%, or a green glass with a thickness of 2.1 mm and a visible light transmittance of 80%.

[0053] The material of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 can be selected from at least one of polyvinyl butyral (PVB), ethylene-vinyl acetate copolymer (EVA), polyolefin elastomer (POE), thermoplastic polyurethane elastomer (TPU), polyurethane (PU), and ionomer (SGP). The thickness of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 is 0.38 mm to 2.28 mm. For example, the thickness of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 can be, but is not limited to, 0.38 mm, 0.76 mm, 1.0 mm, 1.52 mm, 1.9 mm, 2.28 mm, or other values between 0.38 mm and 2.28 mm.

[0054] The first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 can all be transparent thermoplastic polymer films or colored thermoplastic polymer films. Optionally, the visible light transmittance of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 is ≥80%. When the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 are transparent thermoplastic polymers, the visible light transmittance of the transparent thermoplastic polymer is greater than or equal to 80%. For example, the visible light transmittance of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 can be, but is not limited to, 80%, 85%, 90%, or 95%. When the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 are colored thermoplastic polymer films, the visible light transmittance of the colored thermoplastic polymer films is greater than or equal to 70%. For example, the visible light transmittance of the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 may be, but is not limited to, 70%, 75%, 80%, 85%, or 90%. The colored thermoplastic polymer film may be a gray thermoplastic polymer film, a green thermoplastic polymer film, or a blue thermoplastic polymer film.

[0055] For example, the first adhesive layer 131, the second adhesive layer 132, and the intermediate adhesive layer 133 can be a single-layer structure or a multi-layer structure. Examples of multi-layer structures include a double-layer structure, a three-layer structure, a four-layer structure, and a five-layer structure. The first adhesive layer 131 and the second adhesive layer 132 can also have other functions, such as adding an infrared absorber to provide sun protection or heat insulation, adding an ultraviolet absorber to provide ultraviolet protection, or having a higher plasticizer content in at least one layer of the multi-layer structure to provide sound insulation.

[0056] The dimming component 134 has a dimming function. The minimum visible light transmittance of the dimming component 134 is less than or equal to 3%, for example, 3%, 2%, 1%, 0.5%, or 0%. In addition, the maximum visible light transmittance of the dimming component 134 can be set as needed, for example, 10%, 20%, 30%, 50%, 70%, 80%, etc. Specifically, the visible light transmittance of the dimming component 134 can be adjusted between 0% and 20%, between 0.5% and 50%, or between 0% and 70%.

[0057] When dimming component 134 is powered on, the voltage applied to it changes, causing it to have varying visible light transmittances to meet the requirements for visible light transmittance in various scenarios. For example, when a darker environment is desired, dimming component 134 is in an opaque state (visible light transmittance less than or equal to 3%, or even 0%) to block more visible light. When a brighter environment is desired, dimming component 134 is in a transparent state (visible light transmittance greater than or equal to 70%) to reduce visible light blockage.

[0058] In S200 , the intermediate structure 13 is cut so that the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 meets a preset range, providing a basis for subsequently obtaining the dimming panel assembly 1 with a narrow-edge dimming component 134 .

[0059] Optionally, laser is used to cut the intermediate structure 13. For example, according to the designed size, the edge of the intermediate structure 13 is removed by laser.

[0060] Alternatively, as Figure 2 As shown, after the step of cutting the intermediate structure 13, the preset range is 2mm to 4mm, specifically, 2mm, or 2.2mm, or 2.4mm, or 2.6mm, or 2.8mm, or 3mm, or 3.2mm, or 3.4mm, or 3.6mm, or 3.8mm, or 4mm, etc.; preferably, the preset range is 2.5mm to 4mm; further preferably, the preset range is 2.5mm to 3mm. In the step of cutting the intermediate structure 13, the preset range is as follows Figure 2 As shown in L1.

[0061] In S300, first, the outer light-transmitting plate 11 and the inner light-transmitting plate 12 are cleaned; then, the outer light-transmitting plate 11, the intermediate structure 13, and the inner light-transmitting plate 12 are stacked in sequence, that is, the outer light-transmitting plate 11, the first adhesive layer 131, the dimming component 134 and the intermediate adhesive layer 133, the second adhesive layer 132, and the inner light-transmitting plate 12 are stacked in sequence to obtain a second assembly to be combined; subsequently, the second assembly to be combined is subjected to a second combining process, specifically, the second combining process includes: vacuum ringing the periphery of the second assembly to be combined, cold drawing, initial pressure, and high pressure; finally, a dimming panel assembly 1 is obtained.

[0062] In summary, the preparation method of the dimming panel assembly 1 provided in this embodiment is to first compound the first adhesive layer 131, the dimming component 134, and the second adhesive layer 132 into an intermediate structure 13, and then cut the intermediate structure 13 according to the requirements and the shape of the glass, and then combine it with the glass, so that the dimming component 134 and the edge of the intermediate structure 13 meet the requirements, and obtain the dimming panel assembly 1 of the narrow-edge dimming component 134. The method is simple and highly operational. The existing dimming component 134 combination and packaging process can be adopted, and there is no need to change the existing combination process and production line to realize the industrial production of the dimming panel assembly 1 of the narrow-edge dimming component 134.

[0063] Furthermore, if Figure 2 As shown, before the step of cutting the intermediate structure 13, the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 is 8mm to 15mm, and specifically, for example, 8mm, or 8.5mm, or 9mm, or 9.5mm, or 10mm, or 10.5mm, or 11mm, or 11.5mm, or 12mm, or 12.5mm, or 13mm, or 13.5mm, or 14mm, or 14.5mm, or 15mm, etc.; preferably, before the step of cutting the intermediate structure 13, the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 is 10mm to 15mm; further preferably, before the step of cutting the intermediate structure 13, the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 is 10mm to 12mm. Before the step of cutting the intermediate structure 13, the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 is as follows: Figure 2 As shown in L0.

[0064] This embodiment limits the distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 to 8mm to 15mm before cutting. This not only provides space for the adhesive part of the intermediate structure 13 to retract when cutting, and provides space for the dimensional tolerance of the intermediate structure 13 when cutting, but also protects the dimming component 134 and avoids damage to the dimming component 134 during the cutting process. It can also reduce material waste and save preparation costs.

[0065] Before the step of cutting the intermediate structure 13, the width of the intermediate structure 13 is 5 mm to 10 mm greater than the width of the outer light-transmitting plate 11, and the width of the intermediate structure 13 is 5 mm to 10 mm greater than the width of the inner light-transmitting plate 12. Optionally, the width of the outer light-transmitting plate 11 is equal to the width of the inner light-transmitting plate 12.

[0066] The width of the intermediate structure 13 is greater than the width of the outer light-transmitting plate 11, and specifically, for example, 5mm, or 5.5mm, 6mm, or 6.5mm, or 7mm, or 7.5mm, 8mm, or 8.5mm, or 9mm, or 9.5mm, or 10mm, etc.; preferably, before the step of cutting the intermediate structure 13, the width of the intermediate structure 13 is greater than the width of the outer light-transmitting plate 11 by 8mm to 10mm.

[0067] The width of the intermediate structure 13 is greater than the width of the inner light-transmitting plate 12, and specifically, for example, 5 mm, or 5.5 mm, 6 mm, or 6.5 mm, or 7 mm, or 7.5 mm, 8 mm, or 8.5 mm, or 9 mm, or 9.5 mm, or 10 mm, etc.; preferably, before the step of cutting the intermediate structure 13, the width of the intermediate structure 13 is greater than the width of the inner light-transmitting plate 12 by 8 mm to 10 mm.

[0068] The width of the intermediate structure 13 is greater than the width of the outer light-transmitting plate 11, and the width of the intermediate structure 13 is greater than the width of the inner light-transmitting plate 12. It can not only provide cutting space, making it convenient to cut the intermediate structure 13 according to needs and glass shape, which is beneficial to improving the matching degree between the intermediate structure 13 and the outer light-transmitting plate 11 and the inner light-transmitting plate 12, but also provide space for the adhesive part of the cut intermediate structure 13 to retract, provide space for cutting the dimensional tolerance of the intermediate structure 13, and reduce material waste and save preparation costs.

[0069] Furthermore, before the step of cutting the intermediate structure 13, the width of the first adhesive layer 131 and the second adhesive layer 132 is 5 mm to 10 mm greater than the width of the outer light-transmitting plate 11, and the width of the first adhesive layer 131 and the second adhesive layer 132 is 5 mm to 10 mm greater than the width of the inner light-transmitting plate 12. Optionally, the width of the first adhesive layer 131 is equal to the width of the second adhesive layer 132.

[0070] The width of the first adhesive layer 131 is greater than the width of the outer light-transmitting plate 11 by 5mm to 10mm, and the width of the second adhesive layer 132 is greater than the width of the outer light-transmitting plate 11 by 5mm to 10mm. The specific widths of the first adhesive layer 131 and the second adhesive layer 132 that are greater than the width of the outer light-transmitting plate 11 can be 5mm, or 5.5mm, 6mm, or 6.5mm, or 7mm, or 7.5mm, 8mm, or 8.5mm, or 9mm, or 9.5mm, or 10mm, etc.

[0071] The width of the first adhesive layer 131 is greater than the width of the inner light-transmitting plate 12 by 5mm to 10mm, and the width of the second adhesive layer 132 is greater than the width of the inner light-transmitting plate 12 by 5mm to 10mm. The specific widths of the first adhesive layer 131 and the second adhesive layer 132 that are greater than the width of the inner light-transmitting plate 12 can be 5mm, or 5.5mm, 6mm, or 6.5mm, or 7mm, or 7.5mm, 8mm, or 8.5mm, or 9mm, or 9.5mm, or 10mm, etc.

[0072] In one embodiment, the step S100 of providing the intermediate structure 13 includes:

[0073] S120 , providing a polarizing layer 1341 and a dimming functional layer 1342 , wherein the polarizing layer 1341 is used to block light from the outside, and the dimming functional layer 1342 is used to block light from the outside to adjust the visible light transmittance of the dimming panel assembly 1 .

[0074] S130 , controlling the polarizing layer 1341 and the dimming function layer 1342 to be stacked, with the polarizing layer 1341 being closer to the outer light-transmitting plate 11 of the dimming panel assembly 1 than the dimming function layer 1342 .

[0075] Please refer to Figure 3-Figure 4 , the polarizing layer 1341 and the dimming functional layer 1342 constitute the dimming component 134. The dimming functional layer 1342 can be a polymer dispersed liquid crystal film (PDLC), a suspended particle film (SPD), an electrochromic film (EC), a dye liquid crystal film (LC), etc. Among them, when the dimming functional layer 1342 is powered on, as the voltage value applied to the dimming functional layer 1342 changes, the dimming functional layer 1342 has different visible light transmittances to meet the visible light transmittance requirements in multiple scenarios. The polarizing layer 1341 can convert external light into linearly polarized light with a specific polarization direction, allowing only polarized light waves in a specific direction to pass through, while absorbing or reflecting light waves in other directions. Therefore, the polarizing layer 1341 and the dimming functional layer 1342 can cooperate with each other to control the amount of light passing through the dimming panel assembly 1, thereby controlling the visible light transmittance of the dimming panel assembly 1.

[0076] In the dimming panel assembly 1 , the outer light-transmitting plate 11 , the first adhesive layer 131 , the polarizing layer 1341 , the dimming functional layer 1342 , the second adhesive layer 132 , and the inner light-transmitting plate 12 are stacked in sequence.

[0077] The applicant has found that if the polarizing layer 1341 is arranged facing the inner light-transmitting plate 12, the color difference of the dimming panel assembly 1 is large when the user observes it outside the vehicle, which reduces the appearance performance of the dimming panel assembly 1 and reduces the user experience.

[0078] This embodiment reduces the color difference of the dimming panel assembly 1 when the user observes it outside the vehicle by setting the polarizing layer 1341 to face the outward transparent plate 11. It can not only reduce the color difference of a single dimming panel assembly 1, but also reduce the color difference of different dimming panel assemblies 1 arranged on the same side, thereby improving the appearance performance of the dimming panel assembly 1, the overall appearance performance of the vehicle, and improving the user experience.

[0079] In addition, the polarizing layer 1341 is arranged closer to the outer light-transmitting plate 11, which not only reduces the color difference of the dimming panel assembly 1 when the user observes it outside the car, but also makes the color difference of the dimming panel assembly 1 less obvious when the user observes it inside the car in dim light, thereby improving the user experience.

[0080] In one embodiment, the step S100 of providing the intermediate structure 13 further includes:

[0081] S140 , providing a first conductive substrate layer 1343 , a second conductive substrate layer 1344 , a third adhesive layer 1345 , and a filler layer 1346 , wherein the filler layer 1346 is used to seal the dimming function layer 1342 .

[0082] S150, control the second adhesive layer 132, the first conductive substrate layer 1343, the dimming function layer 1342, the second conductive substrate layer 1344, the third adhesive layer 1345, the polarizing layer 1341, and the first adhesive layer 131 to be stacked in sequence, the edge filling layer 1346 is arranged on the same layer as the dimming function layer 1342, and perform the first lamination process to obtain the intermediate structure 13.

[0083] Please refer to Figure 3-Figure 4 The first conductive substrate layer 1343, the dimming functional layer 1342, the second conductive substrate layer 1344, the third adhesive layer 1345, and the polarizing layer 1341 constitute the dimming assembly 134. The first adhesive layer 131 bonds the outer light-transmitting plate 11 to the polarizing layer 1341, the second adhesive layer 132 bonds the inner light-transmitting plate 12 to the first conductive substrate layer 1343, and the third adhesive layer 1345 bonds the second conductive substrate layer 1344 to the polarizing layer 1341. The second surface is adjacent to the polarizing layer 1341, and the third surface is adjacent to the first conductive substrate layer 1343.

[0084] The filler layer 1346 is bonded to the first conductive substrate layer 1343 and the second conductive substrate layer 1344 and is used to seal the dimming function layer 1342. Optionally, the filler layer 1346 surrounds the dimming function layer 1342 and has a thickness equal to that of the dimming function layer 1342.

[0085] The edge-filling layer 1346 can cooperate with the intermediate adhesive layer 133 to form a double seal with the dimming functional layer 1342, further preventing external impurities such as water and oxygen from entering the dimming functional layer 1342, thereby extending the service life of the dimming functional layer 1342 and improving the reliability of the dimming panel assembly 1. Optionally, the material of the edge-filling layer 1346 is selected from transparent frame-sealing adhesive.

[0086] The width of the edge filling layer 1346 is 2 mm to 8 mm, and specifically, for example, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 7.5 mm, 8 mm, etc. Preferably, the width of the edge filling layer 1346 is 2 mm to 6 mm; more preferably, the width of the edge filling layer 1346 is 2 mm to 5 mm. Figure 3 As shown in L3.

[0087] The edge of the filling layer 1346 is flush with the edge of the dimming component 134 , or the filling layer 1346 is retracted into the dimming component 134 .

[0088] Specifically, the first conductive substrate layer 1343 and the second conductive substrate layer 1344 are capable of conducting electricity. The first conductive substrate layer 1343 and the second conductive substrate layer 1344 are both electrically connected to the dimming function layer 1342. The dimming function layer 1342 is connected to an external power supply via the first conductive substrate layer 1343 and the second conductive substrate layer 1344. The external power supply puts the dimming function layer 1342 into an energized state through the first conductive substrate layer 1343 and the second conductive substrate layer 1344. As the voltage value applied to the dimming function layer 1342 changes, the dimming function layer 1342 has different visible light transmittance.

[0089] The first conductive substrate layer 1343 includes a first substrate layer and a first conductive layer stacked together, and the second conductive substrate layer 1344 includes a second substrate layer and a second conductive layer stacked together. The first conductive layer and the second conductive layer are both electrically connected to the dimming function layer 1342. For example, in the dimming component 134, the first substrate layer, the first conductive layer, the dimming function layer 1342, the second conductive layer, and the second substrate layer are stacked in this order.

[0090] Optionally, the first substrate layer and the second substrate layer may be transparent resin layers. Optionally, the thickness of the first substrate layer and the second substrate layer is 5 μm to 500 μm. Optionally, the material of the first substrate layer and the second substrate layer is selected from at least one of polyethylene terephthalate, polyethylene naphthalate, polyamide, polyether, polysulfone, polyethersulfone, polycarbonate, polyarylate, polyetherimide, polyetheretherketone, polyimide, aramid, polybutylene terephthalate, triacetyl cellulose, polyurethane, and cycloolefin polymer.

[0091] Optionally, the first conductive layer and the second conductive layer are made of a transparent conductive material, such as a transparent conductive oxide (TCO). Examples of TCO include, but are not limited to, tin-doped indium oxide (ITO), aluminum-doped zinc oxide (AZO), and indium-doped cadmium oxide.

[0092] The material of the third adhesive layer 1345 and the filling layer 1346 can be selected from at least one of polyvinyl butyral (PVB), ethylene-vinyl acetate copolymer (EVA), polyolefin elastomer (POE), thermoplastic polyurethane (TPU), polyurethane (PU), and ionomer (SGP). The third adhesive layer 1345 and the filling layer 1346 can be a transparent thermoplastic polymer film or a colored thermoplastic polymer film. Optionally, the visible light transmittance of the third adhesive layer 1345 and the filling layer 1346 is ≥80%.

[0093] In S100, first, the first adhesive layer 131 and the second adhesive layer 132 are cut so that the width of the first adhesive layer 131 and the second adhesive layer 132 is greater than the width of the outer light-transmitting plate 11 by 5mm to 10mm, and the width of the first adhesive layer 131 and the second adhesive layer 132 is greater than the width of the inner light-transmitting plate 12 by 5mm to 10mm; then, the second adhesive layer 132, the first conductive substrate layer 1343, the dimming function layer 1342, the second conductive substrate layer 1344, the third adhesive layer 1345, the polarizing layer 1341, and the first adhesive layer 131 are stacked in sequence to obtain a first sheet assembly to be combined; subsequently, the first sheet assembly to be combined is subjected to a first combining process, specifically, the first combining process includes: vacuuming, heating, and pressurizing the first sheet assembly to be combined; finally, the intermediate structure 13 is obtained.

[0094] Please refer to Figures 1-4The present application also provides a dimming panel assembly 1, which includes an intermediate structure 13. The intermediate structure 13 includes a first bonding layer 131, a dimming component 134, and a second bonding layer 132 stacked in sequence. The intermediate structure 13 also includes an intermediate bonding layer 133 arranged on the same layer as the dimming component 134. The intermediate bonding layer 133 is bonded to connect the first bonding layer 131 and the second bonding layer 132. The intermediate bonding layer 133 is used to seal the dimming component 134. The distance between the edge of the intermediate structure 13 and the edge of the dimming component 134 meets a preset range.

[0095] It should be noted that the dimming panel assembly 1 provided in the present application can be obtained by using the preparation method provided above, or by using other preparation methods.

[0096] Among them, Figure 2 As shown, the preset range is 2mm to 4mm, and specifically, for example, 2mm, or 2.2mm, or 2.4mm, or 2.6mm, or 2.8mm, or 3mm, or 3.2mm, or 3.4mm, or 3.6mm, or 3.8mm, or 4mm, etc. Preferably, the preset range is 2.5mm to 4mm; further preferably, the preset range is 2.5mm to 3mm. The preset range is as follows Figure 2 As shown in L1.

[0097] Therefore, the dimming panel assembly 1 provided in this embodiment can control the distance between the dimming component 134 and the edge of the dimming panel assembly 1 according to needs, and obtain a dimming panel assembly 1 with a narrow-edge dimming component 134, thereby improving the appearance performance of the dimming panel assembly 1 and improving the user experience.

[0098] In one embodiment, Figures 1-4 The dimming panel assembly 1 also includes an outer light-transmitting plate 11 and an inner light-transmitting plate 12. The outer light-transmitting plate 11, the intermediate structure 13, and the inner light-transmitting plate 12 are stacked in sequence. The first adhesive layer 131 is adhesively connected to the outer light-transmitting plate 11, and the second adhesive layer 132 is adhesively connected to the inner light-transmitting plate 12.

[0099] In one embodiment, please refer to Figure 3-Figure 4 The dimming component 134 includes a polarizing layer 1341 and a dimming functional layer 1342. The polarizing layer 1341 is arranged between the outer light-transmitting plate 11 and the dimming functional layer 1342. The polarizing layer 1341 is used to block light from the outside world. The dimming functional layer 1342 is used to block light from the outside world to adjust the visible light transmittance of the dimming panel assembly 1. The polarizing layer 1341 is closer to the outer light-transmitting plate 11 of the dimming panel assembly 1 than the dimming functional layer 1342.

[0100] Specifically, there are two dimming panel assemblies 1, and the outer light-transmitting plates 11 of the two dimming panel assemblies 1 face the same side. The outer surface of the outer light-transmitting plate 11 of one dimming panel assembly 1 has a first Lab value for the reflection color of visible light, and the outer surface of the outer light-transmitting plate 11 of the other dimming panel assembly 1 has a second Lab value for the reflection color of visible light. According to the first Lab value and the second Lab value, a first color difference △E1 is obtained, and △E1≤2.

[0101] For example, the two dimming panel assemblies 1 are respectively arranged at the front door opening, or the rear door opening, or the rear side opening, the triangular window opening, etc. on the same side of the vehicle.

[0102] The first color difference △E1 can be specifically exemplified as 0, or 0.2, or 0.4, or 0.6, or 0.8, or 1, or 1.2, or 1.4, or 1.6, or 1.8, or 2, etc. Preferably, the first color difference △E1 ≤ 1.5; further preferably, the first color difference △E1 ≤ 1; further preferably, the first color difference △E1 ≤ 0.5.

[0103] In one of the dimming panel assemblies 1 , the outer surface of the outer light-transmitting plate 11 of the dimming panel assembly 1 has a first Lab value and a third Lab value for the reflected color of visible light. A second color difference ΔE2 is obtained based on the first Lab value and the third Lab value, and ΔE2≤2.

[0104] The second color difference △E2 can be specifically exemplified as 0, or 0.2, or 0.4, or 0.6, or 0.8, or 1, or 1.2, or 1.4, or 1.6, or 1.8, or 2, etc.; preferably, the second color difference △E2 ≤ 1.5; further preferably, the second color difference △E2 ≤ 1; further preferably, the second color difference △E2 ≤ 0.5.

[0105] Therefore, this embodiment reduces the color difference of the dimming panel assembly 1 when the user observes it outside the vehicle by setting the polarizing layer 1341 to face the outward transparent plate 11. Not only can the color difference of a single-piece dimming panel assembly 1 be reduced, but the color difference of different pieces of dimming panel assemblies 1 arranged on the same side can also be reduced, thereby improving the appearance performance of the dimming panel assembly 1, the overall appearance performance of the vehicle, and improving the user experience.

[0106] In one embodiment, the light from the outside includes a first sub-light with a polarization direction of a first direction and a second sub-light with a polarization direction of a second direction, and the first direction and the second direction are perpendicular to each other;

[0107] The polarizing layer 1341 is used to block one of the first sub-light and the second sub-light, and the dimming function layer 1342 is used to block the other of the first sub-light and the second sub-light.

[0108] For example, if the first direction is horizontal and the second direction is vertical, the first sub-light is horizontal light, where horizontal light refers to light whose polarization direction or electric field vector is parallel to the horizontal plane, and the second sub-light is vertical light, which is the opposite of horizontal light and refers to light whose polarization direction or electric field vector is perpendicular to the horizontal plane. When the polarizing layer 1341 is used to block horizontal light, the dimming functional layer 1342 is used to block vertical light; conversely, when the polarizing layer 1341 is used to block vertical light, the dimming functional layer 1342 is used to block horizontal light.

[0109] Therefore, the polarizing layer 1341 and the dimming function layer 1342 provided in this embodiment can respectively block the first sub-light and the second sub-light with different polarization directions. The polarizing layer 1341 and the dimming function layer 1342 cooperate with each other to improve the dimming effect of the dimming panel assembly 1, thereby improving the user experience.

[0110] In one embodiment, please refer to Figure 3-Figure 4 The dimming component 134 also includes a first conductive substrate layer 1343, a second conductive substrate layer 1344, a third adhesive layer 1345, and a filler layer 1346. The first conductive substrate layer 1343, the dimming function layer 1342, the second conductive substrate layer 1344, the third adhesive layer 1345, and the polarizing layer 1341 are stacked in sequence. The filler layer 1346 is arranged on the same layer as the dimming function layer 1342. The filler layer 1346 is bonded to connect the first conductive substrate layer 1343 and the second conductive substrate layer 1344. The filler layer 1346 is used to seal the dimming function layer 1342. The third adhesive layer 1345 is bonded to connect the second conductive substrate layer 1344 and the polarizing layer 1341.

[0111] The edge-filling layer 1346 can cooperate with the intermediate adhesive layer 133 to form a double seal with the dimming functional layer 1342, further preventing external impurities such as water and oxygen from entering the dimming functional layer 1342, thereby extending the service life of the dimming functional layer 1342 and improving the reliability of the dimming panel assembly 1. Optionally, the material of the edge-filling layer 1346 is selected from transparent frame-sealing adhesive.

[0112] The width of the edge filling layer 1346 is 2 mm to 8 mm, and specifically, for example, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 7.5 mm, 8 mm, etc. Preferably, the width of the edge filling layer 1346 is 2 mm to 6 mm; more preferably, the width of the edge filling layer 1346 is 2 mm to 5 mm. Figure 3 As shown in L3.

[0113] The edge of the filling layer 1346 is flush with the edge of the dimming component 134 , or the filling layer 1346 is retracted into the dimming component 134 .

[0114] In the dimming panel assembly 1, the outer light-transmitting plate 11, the first adhesive layer 131, the polarizing layer 1341, the third adhesive layer 1345, the second conductive substrate layer 1344, the dimming function layer 1342, the first conductive substrate layer 1343, the second adhesive layer 132, and the inner light-transmitting plate 12 are stacked in sequence.

[0115] In one embodiment, the first adhesive layer 131 is used to block light with a wavelength greater than or equal to 390 nm from reaching the dimming component 134 .

[0116] The wavelength of light blocked by the first adhesive layer 131 may be ≥390 nm, or ≥400 nm, or ≥425 nm, or ≥450 nm, etc. Preferably, the wavelength of light blocked by the first adhesive layer 131 is ≥400 nm.

[0117] Therefore, this embodiment limits the wavelength of light blocked by the first adhesive layer 131 to ≥390 nm, so as to protect the dimming component 134 , reduce the risk of aging of the dimming component 134 , and extend the service life of the dimming component 134 .

[0118] In one embodiment, the dimming panel assembly 1 further includes a shielding layer 14 , which is disposed on one side of the intermediate structure 13 . In the horizontal projection direction of the dimming panel assembly 1 , the shielding layer 14 at least shields the intermediate bonding layer 133 .

[0119] Furthermore, the shielding layer 14 is provided on a side of the outer light-transmitting plate 11 facing the intermediate structure 13 , and / or provided on a side of the inner light-transmitting plate 12 facing away from the intermediate structure 13 .

[0120] The shielding layer 14 forms a shielding area, often referred to as a black border area. Optionally, the shielding layer 14 is disposed in the peripheral area of the dimming panel assembly 1. The shielding layer 14 is made of at least one of dark ink and an opaque polymer film. The shielding layer 14 can effectively block ambient light, preventing unnecessary visual interference. It can also shield interior trim, enhancing visual aesthetics. It can serve as a display background for displayed images, improve the contrast between the displayed image and the background, and achieve a wider color gamut for clearer image display.

[0121] The shielding layer 14 is disposed between the outer light-transmitting plate 11 and the first adhesive layer 131 , and / or disposed on a side of the inner light-transmitting plate 12 away from the second adhesive layer 132 .

[0122] The present application also provides a vehicle, comprising the dimming panel assembly provided above in the present application.

[0123] Further optionally, the vehicle also includes a body, and the dimming panel assembly is arranged at an opening of the body.

[0124] The dimming panel assembly may be a front windshield, side window glass, sunroof glass, corner window glass, or rear windshield, etc. of the vehicle.

[0125] In summary, the vehicle provided in this embodiment, by adopting the dimming panel assembly provided above in this application, can control the distance between the dimming component and the edge of the middle structure according to needs, and obtain a dimming panel assembly with a narrow-edge dimming component, thereby improving the appearance performance of the dimming panel assembly and improving the user experience.

[0126] In order to make the purpose and advantages of the present application clearer, the effects of the dimming panel assembly of the present application are further described in detail below with reference to specific embodiments.

[0127] Comparative example: outer light-transmitting plate / first adhesive layer / first conductive substrate layer / dimming functional layer / second conductive substrate layer / third adhesive layer / polarizing layer / second adhesive layer / inner light-transmitting plate;

[0128] Example: outer light-transmitting plate / first adhesive layer / polarizing layer / third adhesive layer / second conductive substrate layer / dimming functional layer / first conductive substrate layer / second adhesive layer / inner light-transmitting plate;

[0129] In the comparative example, the polarizing layer is disposed toward the inner light-transmitting plate; however, in the present application, the polarizing layer is disposed toward the outer light-transmitting plate.

[0130] By controlling the dimming function of the dimming layer, the dimming panel assembly has a bright state and a dark state. When the dimming panel assembly is in the bright state, external light can pass through the outer light-transmitting plate and the inner light-transmitting plate, allowing the user to observe the environment inside the vehicle. When the dimming panel assembly is in the dark state, external light cannot pass through the outer light-transmitting plate and the user cannot observe the environment inside the vehicle. For example, when the dimming function layer is in the energized state, the dimming panel assembly is in the dark state; when the dimming function layer is in the de-energized state, the dimming panel assembly is in the bright state.

[0131] Table 1 shows the Lab values of the two dimming panel assemblies in the comparative example. Table 2 shows the Lab values of the two dimming panel assemblies in the embodiment. In addition, the outer light-transmitting plates of the two dimming panel assemblies face the same side.

[0132] In the following comparative examples and embodiments, the Lab value of the dimming panel assembly can be measured using GBT 7921-2008.

[0133] Among them, on one dimming panel assembly, the Lab value of a reference point is taken as the first Lab value; on another dimming panel assembly, the Lab values of the other three test points 1-3 are taken as the second Lab values, and the first color difference △E1 is obtained based on the first Lab value and the second Lab value.

[0134] Table 1: Parameters of the two dimming panel assemblies in the comparative example

[0135]

[0136] Table 2: Parameters of two dimming panel assemblies in the embodiment

[0137]

[0138]

[0139] Table 3 shows the Lab value test of a dimming panel assembly in the comparative example. Table 4 shows the Lab value test of a dimming panel assembly in the embodiment.

[0140] In the following comparative examples and embodiments, the Lab value of the dimming panel assembly can be measured using GBT 7921-2008.

[0141] Among them, on a dimming panel assembly, the Lab value of a reference point is taken as the first Lab value, and the Lab values of the other two test points 1-2 are taken as the third Lab value. The second color difference △E2 is obtained according to the first Lab value and the third Lab value.

[0142] Table 3: Parameters of a dimming panel assembly in the comparative example

[0143]

[0144] Table 4: Parameters of a dimming panel assembly in the embodiment

[0145]

[0146] Combining Tables 1 and 2, it can be seen that for two dimming panel assemblies facing the same side, using the dimming panel assembly provided in the comparative example, regardless of whether the dimming panel assembly is in the bright state or the dark state, there is a first color difference △E1 greater than 2, resulting in a large color difference of the dimming panel assembly, reducing the appearance performance of the dimming panel assembly and reducing the user experience.

[0147] However, by using the dimming panel assembly provided in the present application, the first color difference △E1≤2 can be satisfied, or even the first color difference △E1≤1, regardless of whether the dimming panel assembly is in the bright state or the dark state, so that the color difference of the dimming panel assemblies of different pieces arranged on the same side is small, thereby improving the appearance performance of the dimming panel assembly, the overall appearance performance of the vehicle, and improving the user experience.

[0148] Combining Tables 3 and 4, it can be seen that for the same dimming panel assembly, compared with the dimming panel assembly provided in the comparative example, the second color difference △E2 of the dimming panel assembly provided in the present application is smaller, that is, the color difference of the single-piece dimming panel assembly is smaller, which is beneficial to reducing the color difference of the multi-piece dimming panel assembly, further improving the overall appearance performance of the vehicle, and further improving the user experience.

[0149] In summary, this embodiment reduces the color difference of the dimming panel assembly when the user observes it outside the vehicle by setting the polarizing layer to face the outward transparent plate. It can not only reduce the color difference of a single-piece dimming panel assembly, but also reduce the color difference of different pieces of dimming panel assemblies arranged on the same side, thereby improving the appearance performance of the dimming panel assembly, the overall appearance performance of the vehicle, and improving the user experience.

[0150] Unless otherwise specified or incompatible therewith, terms and phrases used in this application shall have the following meanings:

[0151] In this application, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of the features.

[0152] In this application, "one or several" refers to any one, any two, or any two or more of the listed items. Among them, "several" refers to any two or any two or more.

[0153] In the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0154] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connections, removable connections, or integration. They may refer to mechanical connections or electrical connections. They may refer to direct connections or indirect connections through an intermediary. They may refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0155] Mentioning "embodiments" and "implementation methods" in this application means that the specific features, structures or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrases in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments. In addition, it should be understood that the features, structures or characteristics described in the various embodiments of the present application can be arbitrarily combined to form another embodiment that does not deviate from the spirit and scope of the technical solution of the present application, unless there is a contradiction between them.

[0156] The above is part of the implementation methods of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

Claims

1. A dimming panel assembly, characterized in that: The dimming panel assembly includes an intermediate structure, which includes a first adhesive layer, a dimming component, and a second adhesive layer stacked in sequence. The intermediate structure also includes an intermediate adhesive layer arranged on the same layer as the dimming component. The intermediate adhesive layer adhesively connects the first adhesive layer and the second adhesive layer. The intermediate adhesive layer is used to seal the dimming component. The distance between the edge of the intermediate structure and the edge of the dimming component meets a preset range.

2. The dimming panel assembly according to claim 1, wherein: The preset range is 2 mm to 4 mm.

3. The dimming panel assembly according to claim 1, wherein: The dimming component includes a polarizing layer and a dimming functional layer. The polarizing layer is used to block light from the outside world, and the dimming functional layer is used to block light from the outside world to adjust the visible light transmittance of the dimming panel assembly. The polarizing layer is closer to the outer light-transmitting plate of the dimming panel assembly than the dimming functional layer.

4. The dimming panel assembly according to claim 3, wherein: There are two dimming panel assemblies, and the outer light-transmitting plates of the two dimming panel assemblies face the same side. The outer surface of the outer light-transmitting plate of one dimming panel assembly has a first Lab value for the reflection color of visible light, and the outer surface of the outer light-transmitting plate of the other dimming panel assembly has a second Lab value for the reflection color of visible light. A first color difference △E1 is obtained according to the first Lab value and the second Lab value, and △E1≤2.

5. The dimming panel assembly according to claim 3, wherein: In one of the dimming panel assemblies, the outer surface of the outer light-transmitting plate of the dimming panel assembly has a first Lab value and a third Lab value for the reflected color of visible light, and a second color difference ΔE2 is obtained according to the first Lab value and the third Lab value, ΔE2≤2.

6. The dimming panel assembly according to claim 3, wherein: The light from the outside includes a first sub-light with a first polarization direction and a second sub-light with a second polarization direction, wherein the first direction and the second direction are perpendicular to each other; The polarizing layer is used to block one of the first sub-light and the second sub-light, and the dimming function layer is used to block the other of the first sub-light and the second sub-light.

7. The dimming panel assembly according to claim 3, wherein: The dimming component also includes a first conductive substrate layer, a second conductive substrate layer, a third adhesive layer, and a filling layer. The first conductive substrate layer, the dimming function layer, the second conductive substrate layer, the third adhesive layer, and the polarizing layer are stacked in sequence. The filling layer and the dimming function layer are arranged on the same layer. The filling layer is bonded to connect the first conductive substrate layer and the second conductive substrate layer. The filling layer is used to seal the dimming function layer. The third adhesive layer is bonded to connect the second conductive substrate layer and the polarizing layer.

8. The dimming panel assembly according to claim 7, wherein: The edge filling layer satisfies at least one of the following: The width of the edge filling layer is 2mm to 8mm; The edge of the edge-filling layer is flush with the edge of the dimming component, or the edge-filling layer is indented into the dimming component.

9. A vehicle, characterized in that: It comprises the dimming panel assembly as described in any one of claims 1-8.

10. A method for preparing a dimming panel assembly, characterized in that: The preparation method comprises: Providing an intermediate structure, the intermediate structure comprising a first adhesive layer, a dimming component, and a second adhesive layer stacked in sequence, the intermediate structure further comprising an intermediate adhesive layer disposed on the same layer as the dimming component, the intermediate adhesive layer bonding the first adhesive layer to the second adhesive layer, and the intermediate adhesive layer being used to seal the dimming component; The intermediate structure is cut so that the distance between the edge of the intermediate structure and the edge of the dimming component meets a preset range.

11. The method for preparing a dimming panel assembly according to claim 10, wherein: After the step of cutting the intermediate structure, the preset range is 2 mm to 4 mm.

12. The method for preparing a dimming panel assembly according to claim 10, wherein: Before the step of cutting the intermediate structure, the distance between the edge of the intermediate structure and the edge of the dimming component is 8 mm to 15 mm.

13. The method for preparing a dimming panel assembly according to claim 10, wherein: The step of providing the intermediate structure comprises: Providing a polarizing layer and a dimming functional layer, wherein the polarizing layer is used to block light from the outside, and the dimming functional layer is used to block light from the outside to adjust the visible light transmittance of the dimming panel assembly; The polarizing layer and the dimming function layer are controlled to be stacked, and the polarizing layer is closer to the outer light-transmitting plate of the dimming panel assembly than the dimming function layer.

14. The method for preparing a dimming panel assembly according to claim 13, wherein: The step of providing the intermediate structure further comprises: Providing a first conductive substrate layer, a second conductive substrate layer, a third adhesive layer, and a filler layer, wherein the filler layer is used to seal the dimming functional layer; The second bonding layer, the first conductive substrate layer, the dimming function layer, the second conductive substrate layer, the third bonding layer, the polarizing layer, and the first bonding layer are controlled to be stacked in sequence, the edge filling layer is arranged on the same layer as the dimming function layer, and a first lamination process is performed to obtain the intermediate structure.

15. The method for preparing a dimming panel assembly according to claim 13, further comprising, before the step of cutting the intermediate structure: Provide outer light-transmitting panels and inner light-transmitting panels; After the step of cutting the intermediate structure, the method further comprises: The outer light-transmitting plate, the intermediate structure, and the inner light-transmitting plate are controlled to be stacked in sequence, with the first adhesive layer facing the outer light-transmitting plate and the second adhesive layer facing the inner light-transmitting plate, and a second lamination process is performed to obtain a dimming panel assembly.

16. The method for preparing a dimming panel assembly according to claim 15, wherein: Before the step of cutting the intermediate structure, the width of the intermediate structure is 5 mm to 10 mm greater than the width of the outer light-transmitting plate, and the width of the intermediate structure is 5 mm to 10 mm greater than the width of the inner light-transmitting plate.

17. The method for preparing a dimming panel assembly according to claim 16, wherein: Before the step of cutting the intermediate structure, the width of the first adhesive layer and the second adhesive layer is 5mm to 10mm greater than the width of the outer light-transmitting plate, and the width of the first adhesive layer and the second adhesive layer is 5mm to 10mm greater than the width of the inner light-transmitting plate.

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