Light-transmitting panel, sunroof, and vehicle

Abstract

The application provides a light-transmitting panel, a sunroof and a vehicle. The light-transmitting panel comprises a light-adjusting module and an antenna module. The light-adjusting module comprises a liquid crystal layer and two oppositely arranged light-adjusting structure layers. The liquid crystal layer is located between the two light-adjusting structure layers. The light-adjusting structure layer comprises a substrate and an electrode layer arranged in a stack. The electrode layer is arranged on the side of the substrate close to the liquid crystal layer. The antenna module is arranged on at least one of the two light-adjusting structure layers. The antenna module comprises a wire main body and an opening formed by the wire main body. According to the application, the functional integration and utilization of the light-transmitting panel can be effectively improved.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to a light-transmitting panel, a sunroof, and a vehicle. Background Technology

[0002] With the rapid development of the automotive industry, cars are becoming increasingly diverse and technologically advanced. Sunroofs often occupy a significant amount of roof space, but current sunroofs typically only provide light transmission, resulting in low functional integration and utilization. Therefore, improving the functional integration and utilization rate of sunroofs is a pressing issue that needs to be addressed. Summary of the Invention

[0003] In view of the above problems, this application provides a light-transmitting panel, a sunroof and a vehicle, which can effectively improve the functional integration and utilization rate of the light-transmitting panel.

[0004] In a first aspect, embodiments of this application provide a light-transmitting panel, which includes a dimming module and an antenna module. The dimming module includes a liquid crystal layer and two opposing dimming structure layers, with the liquid crystal layer located between the two dimming structure layers. Each dimming structure layer includes a substrate and an electrode layer stacked together, with the electrode layer disposed on the side of the substrate closer to the liquid crystal layer. The antenna module is disposed on at least one of the two dimming structure layers, and the antenna module includes a trace body and an opening enclosed by the trace body.

[0005] The light-transmitting panel provided in this application integrates a dimming module and an antenna module, enabling simultaneous dimming and communication functions, thereby effectively improving the functional integration and utilization rate of the light-transmitting panel. When applied to a vehicle sunroof, it allows the sunroof to simultaneously perform dimming and communication functions, effectively improving the functional integration and utilization rate of the sunroof. Furthermore, integrating the antenna module into the sunroof prevents it from occupying additional space in the vehicle body, improving both communication quality and the structural strength of the vehicle body.

[0006] Secondly, this application provides a skylight, which includes the light-transmitting panel provided in any embodiment of the first aspect.

[0007] The skylight provided in this application embodiment can simultaneously realize dimming and communication functions, effectively improving the functional integration and utilization rate of the skylight.

[0008] Thirdly, this application provides a vehicle that includes a sunroof provided in any of the embodiments of the second aspect.

[0009] The vehicle provided in this application embodiment has its antenna module integrated into the sunroof, so that the antenna module does not occupy additional space in the vehicle body, which not only improves communication quality, but also improves the structural strength of the vehicle body.

[0010] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0011] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0012] Figure 1 This is a cross-sectional structural diagram of a light-transmitting panel provided in some embodiments of this application;

[0013] Figure 2 This is a schematic cross-sectional view of another light-transmitting panel provided in some embodiments of this application;

[0014] Figure 3 for Figure 1 and Figure 2 A schematic diagram of the planar structure of the first electrode layer and the antenna module of the light-transmitting panel shown;

[0015] Figure 4 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0016] Figure 5 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0017] Figure 6 for Figure 4 and Figure 5 A schematic diagram of the planar structure of the first electrode layer and the antenna module of the light-transmitting panel shown;

[0018] Figure 7 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0019] Figure 8 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0020] Figure 9A schematic diagram of the planar structure of an antenna module for a light-transmitting panel provided in some embodiments of this application;

[0021] Figure 10 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0022] Figure 11 for Figure 10 A schematic diagram of the planar structure of the antenna module in the light-transmitting panel shown;

[0023] Figure 12 for Figure 10 A schematic diagram of the planar structure of the antenna module in the light-transmitting panel shown;

[0024] Figure 13 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0025] Figure 14 This is a cross-sectional structural diagram of another light-transmitting panel provided in some embodiments of this application;

[0026] Figure 15 This is a cross-sectional structural diagram of a skylight provided in some embodiments of this application.

[0027] The reference numerals in the detailed embodiments are as follows:

[0028] 100. Translucent panel; 200. Skylight; 210. Cover plate;

[0029] 10. Dimming module; 11. Liquid crystal layer; 12. Dimming structure layer; 12a. First dimming structure layer; 12b. Second dimming structure layer; 121. Substrate; 121a. First substrate; 121b. Second substrate; 122. Electrode layer; 122a. First electrode layer; 122b. Second electrode layer; 1221. Electrode unit; 1222. Connecting part; 20. Antenna module; 21. Trace body; 211. First trace; 2111. First main body part; 2112. Extension part; 212. Second trace; 2121. Second main body part; 22. Opening; 30. First insulating layer; 40. Second insulating layer. Detailed Implementation

[0030] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0031] It should be noted that, unless otherwise stated, the technical or scientific terms used in the embodiments of this application should have the ordinary meaning understood by those skilled in the art to which the embodiments of this application pertain.

[0032] In the description of the embodiments in this application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", and "bottom" are used.

[0033] The orientations or positional relationships indicated by terms such as "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the purpose of facilitating the description of the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0034] Furthermore, technical terms such as "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 technical features indicated. In the description of the embodiments of this application, "a plurality of" means two or more, unless otherwise explicitly defined.

[0035] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0036] In the description of the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] With the rapid development of the automotive industry, vehicles are becoming increasingly diverse and technologically advanced, requiring more and more functional components to be installed to enhance their functionality. These components occupy some vehicle space, but the vehicle's space is limited. This results in some functional components being unable to be installed due to insufficient space, or the vehicle's structure restricting the effectiveness of certain components.

[0038] The inventors of this application have noted that car sunroofs often occupy a significant amount of space on the roof, but current sunroofs typically only provide light transmission, resulting in low functional integration and utilization. Furthermore, some vehicles integrate their antennas into the body shell, requiring the removal of some structure at the antenna location to accommodate it. This affects the overall structural strength and safety of the vehicle, and the body shell also shields external signals to some extent, leading to poor communication performance. Other vehicles have externally mounted antennas, meaning the external antenna is attached to the vehicle body via adhesive or magnetic attraction. This is not secure enough, and external antennas affect the vehicle's aesthetics, are prone to falling off, and pose a safety hazard.

[0039] The inventors of this application have discovered that a light-transmitting panel can be designed, comprising a dimming module and an antenna module. The dimming module includes a liquid crystal layer and two opposing dimming structural layers, with the liquid crystal layer located between the two dimming structural layers. Each dimming structural layer includes a substrate and an electrode layer stacked together, with the electrode layer disposed on the side of the substrate closer to the liquid crystal layer. The antenna module is disposed in at least one of the two dimming structural layers, and includes a wiring body and an opening enclosed by the wiring body. The light-transmitting panel integrates the dimming module and the antenna module, enabling simultaneous dimming and communication functions, thereby effectively improving the functional integration and utilization rate of the light-transmitting panel. As an example, when applied to a vehicle sunroof, it enables the sunroof to simultaneously perform dimming and communication functions, effectively improving the functional integration and utilization rate of the sunroof. Furthermore, integrating the antenna module into the sunroof prevents it from occupying additional space in the vehicle body, improving both communication quality and the structural strength of the vehicle body.

[0040] To address the problems of the prior art, embodiments of this application provide a light-transmitting panel, a sunroof, and a vehicle. The light-transmitting panel provided in this application embodiment will be described first below. Figure 1 This is a cross-sectional structural diagram of a light-transmitting panel provided in some embodiments of this application. Figure 2 This is a schematic cross-sectional view of another light-transmitting panel provided in some embodiments of this application. Figure 3 for Figure 1 and Figure 2 The diagram shows a planar structure of the first electrode layer of the light-transmitting panel and the stacked structure of the antenna module.

[0041] like Figures 1 to 3As shown in the figure, this application embodiment provides a light-transmitting panel 100, which includes a dimming module 10 and an antenna module 20. The dimming module 10 includes a liquid crystal layer 11 and two opposing dimming structure layers 12. The liquid crystal layer 11 is located between the two dimming structure layers 12. The dimming structure layer 12 includes a substrate 121 and an electrode layer 122 stacked together. The electrode layer 122 is disposed on the side of the substrate 121 near the liquid crystal layer 11. The antenna module 20 is disposed in at least one of the two dimming structure layers 12. The antenna module 20 includes a trace body 21 and an opening 22 formed by the trace body 21.

[0042] It should be noted that, in order to more clearly describe the embodiments of this application, the two dimming structure layers 12 arranged opposite to each other in the dimming module 10 are the first dimming structure layer 12a and the second dimming structure layer 12b, respectively, for the purpose of illustration.

[0043] As an example, the dimming module 10 can control the transmittance of light to achieve a dimming function. The first dimming structure layer 12a includes a first substrate 121a and a first electrode layer 122a stacked together, and the second dimming structure layer 12b includes a second substrate 121b and a second electrode layer 122b stacked together. The liquid crystal layer 11 is located between the first electrode layer 122a and the second electrode layer 122b. By applying different voltages to the first electrode layer 122a and the second electrode layer 122b, electric fields of different intensities can be generated between the first electrode layer 122a and the second electrode layer 122b. Under the action of the generated electric field, the liquid crystal layer 11 can control the transmittance of light to achieve light modulation.

[0044] Optionally, both the first substrate 121a and the second substrate 121b can be made of tempered glass, thereby giving the dimming module 10 higher strength and improving its impact resistance, making it suitable for some impact-prone applications. The materials of the first substrate 121a and the second substrate 121b can be set according to requirements, and this application does not limit them.

[0045] Optionally, both the first electrode layer 122a and the second electrode layer 122b can be transparent electrode layers 122, such as indium tin oxide, so that light can pass through the first electrode layer 122a and the second electrode layer 122b into the liquid crystal layer 11, thereby realizing the dimming function. However, it is not limited to this, and those skilled in the art can make settings according to actual needs.

[0046] The setting range and shape pattern of the first electrode layer 122a and the second electrode layer 122b can be set according to actual needs. It can be understood that the range of the first electrode layer 122a and the second electrode layer 122b determines the range of the dimming area. Therefore, the setting range and shape pattern of the first electrode layer 122a and the second electrode layer 122b can be designed according to requirements.

[0047] Optionally, the liquid crystal layer 11 may include liquid crystal molecules and dye molecules. Under the action of an electric field, the liquid crystal molecules can drive the dye molecules to rotate, thereby controlling the transmittance of light and thus achieving the modulation of light.

[0048] Optionally, the dye molecules can be dichroic or multicolor dye molecules, but are not limited to these. Taking dichroic dye molecules as an example, the dye molecules can absorb light whose polarization direction is parallel to the long axis of the dye molecules, i.e., the absorption axis. It can be understood that under different electric field intensities, the liquid crystal molecules drive the dye molecules to rotate at different angles, and when the absorption axis of the dye molecules forms different angles with the direction of the light, the degree of light absorption by the dye molecules will also be different. Therefore, by controlling the intensity of the electric field, the light transmittance of the dye liquid crystal layer 11 can be controlled, achieving a dimming function.

[0049] Optionally, a sealing adhesive may be provided between the first substrate 121a and the second substrate 121b. The sealing adhesive surrounds the liquid crystal layer 11 to encapsulate the liquid crystal layer 11. Those skilled in the art can configure the specific structure of the dimming module 10 according to actual needs.

[0050] As an example, antenna module 20 is used to transmit and receive signals to achieve wireless communication functionality. Antenna module 20 is disposed in at least one of the two dimming structure layers 12, that is, antenna module 20 is disposed in at least one of the first dimming structure layer 12a and the second dimming structure layer 12b. In other words, antenna module 20 can be disposed in the first dimming structure layer 12a, the second dimming structure layer 12b, or both the first dimming structure layer 12a and the second dimming structure layer 12b.

[0051] The antenna module 20 includes a wiring body 21 and an opening 22 enclosed by the wiring body 21. In other words, the wiring body 21 has a mesh-like structure. By setting the opening 22, the influence of the antenna module 20 on the light transmittance can be reduced, thereby effectively reducing the impact of the antenna module 20 on the normal operation of the dimming module 10, so that the dimming function and the communication function of the light-transmitting panel 100 do not interfere with each other.

[0052] Optionally, along the thickness direction of the light-transmitting panel 100, the projected shape of the opening 22 can be, but is not limited to, a square, rectangle, circle, triangle, trapezoid, or ellipse.

[0053] In the above technical solution, the light-transmitting panel 100 integrates a dimming module 10 and an antenna module 20, enabling simultaneous dimming and communication functions, thereby effectively improving the functional integration and utilization rate of the light-transmitting panel 100. As an example, when applied to a vehicle sunroof 200, it allows the sunroof 200 to simultaneously perform dimming and communication functions, effectively improving its functional integration and utilization rate. Furthermore, integrating the antenna module 20 into the sunroof 200 prevents it from occupying additional space in the vehicle body, improving both communication quality and the structural strength of the vehicle body.

[0054] In some embodiments, the antenna module 20 is disposed on the same layer as the electrode layer 122, or the antenna module 20 is disposed on the side of the electrode layer 122 facing away from the substrate 121. In the dimming structure layer 12 on which the antenna module 20 is disposed, the electrode layer 122 includes a plurality of electrode units 1221, which are electrically connected to each other. Along the thickness direction of the light-transmitting panel 100, the projection of the electrode unit 1221 on the substrate 121 is located within the projection of the opening 22 on the substrate 121.

[0055] To more clearly describe the embodiments of this application, we will take the example of an antenna module 20 being disposed in the first dimming structure layer 12a for illustration.

[0056] As an example, when the antenna module 20 is disposed on the same layer as the first electrode layer 122a, the electrode unit 1221 is located within the opening 22 of the antenna module 20, and the electrode units 1221 can be electrically connected to each other through the connecting part 1222. Specifically, one end of the connecting part 1222 is connected to the electrode unit 1221, and the other end of the connecting part 1222 is connected to the wiring body 21 of the antenna module 20. In this way, multiple electrode units 1221 can be electrically connected to each other through the connecting part 1222 and the wiring body 21.

[0057] As an example, when the antenna module 20 is disposed on the side of the first electrode layer 122a facing away from the first substrate 121a, along the thickness direction of the light-transmitting panel 100, the projection of the electrode unit 1221 on the first substrate 121a is located within the projection of the opening 22 on the first substrate 121a, and the electrode units 1221 can be electrically connected to each other through the connecting portion 1222. Specifically, one end of the connecting portion 1222 is connected to one electrode unit 1221, and the other end of the connecting portion 1222 is connected to another electrode unit 1221. In this way, multiple electrode units 1221 can be electrically connected to each other through the connecting portion 1222. The connecting portion 1222 partially overlaps with the trace body 21.

[0058] In this configuration, along the thickness direction of the light-transmitting panel 100, the projection of the electrode unit 1221 on the first substrate 121a is located within the projection of the opening 22 on the first substrate 121a. This can be understood as meaning that, along the thickness direction of the light-transmitting panel 100, there is no overlap between the electrode unit 1221 and the wiring body 21.

[0059] Optionally, along the thickness direction of the light-transmitting panel 100, the projected shape of the electrode unit 1221 can be, but is not limited to, a square, rectangle, circle, triangle, trapezoid, or ellipse. Along the thickness direction of the light-transmitting panel 100, the projected shape of the electrode unit 1221 can match the projected shape of the opening 22.

[0060] It is understandable that when the antenna module 20 is disposed on the same layer as the first electrode layer 122a or on the side of the first electrode layer 122a away from the first substrate 121a, the antenna module 20 is located between the first electrode layer 122a and the second electrode layer 122b. Along the thickness direction of the light-transmitting panel 100, if the projection of the trace body 21 on the first substrate 121a overlaps with the projection of the first electrode layer 122a on the substrate 121, the electric field between the first electrode layer 122a and the second electrode layer 122b will interfere with the signal transmission of the antenna module 20, thereby affecting the communication function of the antenna module 20.

[0061] Thus, along the thickness direction of the light-transmitting panel 100, the projection of the electrode unit 1221 on the first substrate 121a is located within the projection of the opening 22 on the substrate 121, which can to some extent avoid interference caused by the electric field between the first electrode layer 122a and the second electrode layer 122b on the signal transmission of the antenna module 20, and is beneficial to enhancing the communication function of the antenna module 20.

[0062] It is understandable that the electrode units 1221 are electrically connected to each other through the connecting portion 1222. The connecting portion 1222 is relatively thin and is more prone to breakage. If the first electrode layer 122a is disposed on the side of the antenna module 20 away from the substrate 121, the connecting portion 1222 needs to cross the trace body 21 to connect two adjacent electrode units 1221. The connecting portion 1222 is prone to breakage at the bridge point with the trace body 21, thereby affecting the dimming function of the dimming module 10.

[0063] Thus, by placing the antenna module 20 on the side of the first electrode layer 122a facing away from the substrate 121, that is, by placing the first electrode layer 122a close to the substrate 121, the connection portion 1222 does not need to cross the trace body 21, which can prevent the connection portion 1222 from breaking to a certain extent and effectively improve the reliability of the dimming function of the light-transmitting panel 100. Alternatively, by placing the antenna module 20 on the same layer as the first electrode layer 122a, with one end of the connection portion 1222 connected to the trace body 21 and the other end connected to the electrode unit 1221, it is also possible to avoid crossing the trace body 21, which can prevent the connection portion 1222 from breaking to a certain extent and effectively improve the reliability of the dimming function of the light-transmitting panel 100.

[0064] It should be noted that the antenna module 20 can also be disposed on the second dimming structure layer 12b. For details on the specific arrangement of the antenna module 20 on the second dimming structure layer 12b, please refer to the arrangement method of the antenna module 20 disposed on the first dimming structure layer 12a as described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0065] Thus, the above technical solution can not only enhance the communication function of the antenna module 20, but also effectively improve the reliability of the dimming function of the light-transmitting panel 100.

[0066] Figure 4 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application. Figure 5 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application. Figure 6 for Figure 4 and Figure 5 A schematic diagram of the planar structure of the first electrode layer 122a of the light-transmitting panel 100 and the antenna module 20.

[0067] Continue to refer to Figures 4 to 6 In some embodiments, the antenna module 20 is disposed on the side of the substrate 121 opposite to the electrode layer 122, or the antenna module 20 is disposed between the electrode layer 122 and the substrate 121. Along the thickness direction of the light-transmitting panel 100, the projection of the trace body 21 on the substrate 121 is located within the projection of the electrode layer 122 on the substrate 121.

[0068] To more clearly describe the embodiments of this application, we will take the example of an antenna module 20 being disposed in the first dimming structure layer 12a for illustration.

[0069] It is understandable that the antenna module 20 is used to receive and transmit signals. In the stacked structure of the light-transmitting panel 100, the closer the antenna module 20 is to the outside of the light-transmitting panel 100, the less obstruction its signal communication will be. Here, "outer" can be understood as the side relatively far away from the liquid crystal layer 11 along the thickness direction of the light-transmitting panel 100. In other words, the outer layer is the outer layer of the stacked structure of the light-transmitting panel 100.

[0070] Thus, by placing the antenna module 20 on the side of the substrate 121 away from the first electrode layer 122a or placing the antenna module 20 between the first electrode layer 122a and the first substrate 121a, the antenna module 20 can be placed closer to the outside of the light-transmitting panel 100, reducing the obstruction of the antenna module 20 by other structures in the light-transmitting panel 100, which is beneficial to improving the signal transmission efficiency of the antenna module 20.

[0071] It is understandable that when the antenna module 20 is located between the first electrode layer 122a and the second electrode layer 122b, and along the thickness direction of the light-transmitting panel 100, the projection of the trace body 21 on the first substrate 121a overlaps with the projection of the first electrode layer 122a on the first substrate 121a, the electric field between the first electrode layer 122a and the second electrode layer 122b will interfere with the signal transmission of the antenna module 20, thereby affecting the communication function of the antenna module 20. Therefore, in order to avoid the interference of the electric field between the first electrode layer 122a and the second electrode layer 122b on the signal transmission of the antenna module 20, the setting range of the first electrode layer 122a will try to avoid the setting range of the trace body 21. That is, the setting range of the first electrode layer 122a will be limited by the layout of the trace body 21, increasing the difficulty of setting the first electrode layer 122a.

[0072] Thus, by placing the antenna module 20 on the side of the substrate 121 away from the first electrode layer 122a, or placing the antenna module 20 between the first electrode layer 122a and the first substrate 121a, the antenna module 20 will not be located between the first electrode layer 122a and the second electrode layer 122b. The electric field between the first electrode layer 122a and the second electrode layer 122b will not interfere with the signal transmission of the antenna module 20. The placement range of the first electrode layer 122a will not be limited by the layout of the wiring body 21, which helps to reduce the difficulty of setting the first electrode layer 122a and thus reduce the manufacturing cost of the light-transmitting panel 100. Furthermore, along the thickness direction of the light-transmitting panel 100, the projection of the wiring body 21 on the first substrate 121a is located within the projection of the first electrode layer 122a on the substrate 121, giving the first electrode layer 122a a larger placement range and effectively improving the dimming function of the light-transmitting panel 100.

[0073] Wherein, along the thickness direction of the light-transmitting panel 100, the projection of the trace body 21 on the first substrate 121a is located within the projection of the first electrode layer 122a on the first substrate 121a. It can be understood that, along the thickness direction of the light-transmitting panel 100, the projection area of ​​the first electrode layer 122a on the first substrate 121a is larger than the projection area of ​​the trace body 21 on the first substrate 121a, and the projection of the first electrode layer 122a on the first substrate 121a covers the projection of the trace body 21 on the first substrate 121a.

[0074] Optionally, along the thickness direction of the light-transmitting panel 100, the projected shape of the first electrode layer 122a can be, but is not limited to, a square, rectangle, circle, triangle, trapezoid, or ellipse.

[0075] It should be noted that the antenna module 20 can also be disposed on the second dimming structure layer 12b. For details on the specific arrangement of the antenna module 20 on the second dimming structure layer 12b, please refer to the arrangement method of the antenna module 20 disposed on the first dimming structure layer 12a as described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0076] Thus, the above technical solution can not only improve the signal transmission efficiency of the antenna module 20, but also effectively improve the dimming function of the light-transmitting panel 100.

[0077] Figure 7 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application. Figure 8 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application.

[0078] Continue to refer to Figures 7 to 8 In some embodiments, the antenna module 20 is disposed on the side of the electrode layer 122 away from the substrate 121, or the antenna module 20 is disposed between the electrode layer 122 and the substrate 121, and a first insulating layer 30 is disposed between the antenna module 20 and the electrode layer 122.

[0079] To more clearly describe the embodiments of this application, we will take the example of an antenna module 20 being disposed in the first dimming structure layer 12a for illustration.

[0080] It is understandable that when the antenna module 20 is disposed on the side of the first electrode layer 122a away from the first substrate 121a, or when the antenna module 20 is disposed between the first electrode layer 122a and the first substrate 121a, the antenna module 20 is in direct contact with the first electrode layer 122a, and interference is likely to occur between the antenna module 20 and the first electrode layer 122a, which will affect the communication function of the antenna module 20 and the power modulation function of the dimming module 10.

[0081] Thus, a first insulating layer 30 is provided between the antenna module 20 and the first electrode layer 122a. The first insulating layer 30 can separate the antenna module 20 and the first electrode layer 122a, thereby avoiding interference between the antenna module 20 and the first electrode layer 122a to a certain extent, which is beneficial to improving the reliability of the light-transmitting panel 100.

[0082] It should be noted that the reference Figure 3 As shown in the structure, the first electrode layer 122a may include an electrode unit 1221 and a connecting portion 1222. Along the thickness direction of the light-transmitting panel 100, the connecting portion 1222 overlaps with the wiring body 21 of the antenna module 20, which can reduce the obstruction of the first electrode layer 122a to the antenna module 20, thereby improving the communication function of the antenna module 20.

[0083] It is understood that the antenna module 20 can also be disposed on the second dimming structure layer 12b. For details on the specific arrangement of the antenna module 20 on the second dimming structure layer 12b, please refer to the arrangement method of the antenna module 20 when it is disposed on the first dimming structure layer 12a as described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0084] Figure 9 This is a schematic diagram of the planar structure of the antenna module 20 of another light-transmitting panel 100 provided in some embodiments of this application.

[0085] Continue to refer to Figure 9 In some embodiments, the trace body 21 includes a first trace 211 and a second trace 212, the second trace 212 is grounded, and the electrode layer 122 in contact with the second trace 212 is grounded.

[0086] As an example, the first trace 211 is a power supply trace, and the second trace 212 is a grounding trace. The first trace 211 and the second trace 212 can be arranged on the same layer or on different layers. It is understood that when the electrode layer 122 is in direct contact with the second trace 212, since the second trace 212 is grounded, in order to avoid the electrical signal of the electrode layer 122 interfering with the grounding trace, the electrode layer 122 in direct contact with the second trace 212 also needs to be grounded. The electrode layer 122 in direct contact with the first trace 211 can be applied with a variable potential to improve the overall reliability of the light-transmitting panel 100.

[0087] It should be noted that when the electrode layer 122 is not in contact with the trace body 21, in other words, when the electrode layer 122 is not electrically connected to the trace body 21, the electrode layers 122 in the two oppositely arranged dimming structure layers 12 can both be set with variable potential, or one of the two oppositely arranged dimming structure layers 12 can be set with variable potential and the other can be set with zero potential.

[0088] Optionally, the main body 21 of the wiring can be a loop antenna. A loop antenna is a structure in which a metal wire is wound into a certain shape, such as a circle, square, or triangle, with the two ends of the conductor as the output terminals. A loop antenna with multiple turns is called a multi-turn loop antenna. Among them, the loop antenna has a simple structure, small size, and good stability. The number of turns of the loop antenna can be flexibly set according to the inductance required for near-field communication. The specific structure of the loop antenna in this embodiment of the invention is not limited.

[0089] Alternatively, the main body 21 of the wiring can also be a dipole antenna. A dipole antenna consists of a pair of symmetrically placed conductors, with the two ends of the conductors close to each other connected to a feed line. When the dipole antenna is used as a transmitting antenna, the electrical signal is fed into the conductor from the center of the antenna; when used as a receiving antenna, the received signal is also obtained from the conductor at the center of the antenna. Dipole antennas have a simple structure and are widely used.

[0090] Alternatively, the main body 21 of the wiring can also adopt a slot antenna or an inverted F-type antenna, which has a simpler structural design and a more compact size.

[0091] It should be noted that the wiring body 21 is not limited to the antenna type described above. In other embodiments, the wiring body 21 can also use other types of antennas, thereby improving the flexibility of the application scenarios of the wiring body 21. Those skilled in the art can make settings according to actual needs.

[0092] In some embodiments, the first trace 211 and the second trace 212 are disposed in the same layer. Along the thickness direction of the light-transmitting panel 100, the projection of the first trace 211 on the substrate 121 does not overlap with the projection of the second trace 212 on the substrate 121, and the projection area of ​​the first trace 211 on the substrate 121 is greater than the projection area of ​​the second trace 212 on the substrate 121.

[0093] As an example, as shown above, the first trace 211 is a power supply trace, and the second trace 212 is a ground trace. The first trace 211 undertakes the main signal transmission function of the antenna module 20. Therefore, the larger the projected area of ​​the first trace 211 on the substrate 121 along the thickness direction of the light-transmitting panel 100, the higher the signal transmission efficiency of the antenna module 20.

[0094] It is understandable that, depending on the application scenario, the area of ​​the entire light-transmitting panel 100 is fixed along the direction parallel to the plane where the light-transmitting panel 100 is located. The smaller the area of ​​the second wiring 212 is set, the larger the settable range of the first wiring 211 will be; conversely, the larger the area of ​​the second wiring 212 is set, the smaller the settable range of the first wiring 211 will be.

[0095] Thus, in the above technical solution, on the one hand, the projected area of ​​the first trace 211 on the substrate 121 is larger than the projected area of ​​the second trace 212 on the substrate 121, which can effectively improve the signal transmission efficiency of the antenna module 20. On the other hand, the first trace 211 and the second trace 212 are arranged in the same layer, which can reduce the overall thickness of the light-transmitting panel 100 and help reduce the space occupancy rate of the light-transmitting panel 100.

[0096] In some specific embodiments, the first trace 211 includes a first main body portion 2111 and an extension portion 2112, the extension portion 2112 extending from the edge of the first main body portion 2111 in a direction away from the first main body portion 2111. The second trace 212 includes two second main body portions 2121, which are disposed on both sides of the extension portion 2112 in a direction perpendicular to the extension direction of the extension portion 2112.

[0097] As an example, two second main body portions 2121 are disposed on both sides of the extension portion 2112, and are axially symmetrical about the extension portion 2112. The above arrangement can effectively improve the structural compactness between the second trace 212 and the first trace 211, thereby improving the utilization efficiency of the trace body 21's layout space, which is conducive to further improving the signal transmission efficiency of the antenna module 20.

[0098] Figure 10 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application. Figure 11 for Figure 10 The diagram shows a planar structure of the first trace 211 of the antenna module 20 in the light-transmitting panel 100. Figure 12 for Figure 10 A schematic diagram of the planar structure of the second trace 212 of the antenna module 20 of the light-transmitting panel 100 shown.

[0099] Continue to refer to Figures 10 to 12 In some embodiments, the first trace 211 and the second trace 212 are disposed in different layers, and along the thickness direction of the light-transmitting panel 100, the projection of the first trace 211 on the substrate 121 overlaps with the projection of the second trace 212 on the substrate 121.

[0100] As described above, the antenna module 20 can be disposed in the first dimming structure layer 12a, or in the second dimming structure layer 12b, or in both the first dimming structure layer 12a and the second dimming structure layer 12b.

[0101] As an example, when the antenna module 20 is disposed in the first dimming structure layer 12a, both the first trace 211 and the second trace 212 are disposed in the first dimming structure layer 12a. Specifically, along the thickness direction of the light-transmitting panel 100, the first trace 211 may be disposed closer to the first substrate 121a relative to the second trace 212, or the first trace 211 may be disposed farther away from the first substrate 121a relative to the second trace 212.

[0102] As an example, when the antenna module 20 is disposed in the second dimming structure layer 12b, both the first trace 211 and the second trace 212 are disposed in the second dimming structure layer 12b. Specifically, along the thickness direction of the light-transmitting panel 100, the first trace 211 may be disposed closer to the second substrate 121b relative to the second trace 212, or the first trace 211 may be disposed further away from the second substrate 121b relative to the second trace 212.

[0103] As an example, when the antenna module 20 is provided in both the first dimming structure layer 12a and the second dimming structure layer 12b, the first trace 211 and the second trace 212 may be provided in both the first dimming structure layer 12a and the second dimming structure layer 12b, or one of the first trace 211 and the second trace 212 may be provided on the first dimming structure layer 12a, and the other of the first trace 211 and the second trace 212 may be provided on the second dimming structure layer 12b.

[0104] To more clearly describe the embodiments of this application, we will take the example of an antenna module 20 being disposed in the first dimming structure layer 12a for illustration.

[0105] It is understandable that, as mentioned above, the larger the projected area of ​​the first trace 211 on the first substrate 121a along the thickness direction of the light-transmitting panel 100, the higher the signal transmission efficiency of the antenna module 20. Furthermore, if the first trace 211 and the second trace 212 are arranged on the same layer, depending on different application scenarios, the area of ​​the entire light-transmitting panel 100 is fixed along the direction parallel to the plane where the light-transmitting panel 100 is located. The smaller the area of ​​the second trace 212 is, the larger the range of placement for the first trace 211 will be; conversely, the larger the area of ​​the second trace 212 is, the smaller the range of placement for the first trace 211 will be.

[0106] Thus, by setting the first trace 211 and the second trace 212 on different layers, the first trace 211 and the second trace 212 can have more space for installation, which is conducive to improving the signal transmission efficiency of the first trace 211 and the second trace 212, and further improving the communication function of the antenna module 20.

[0107] It is understandable that when the first trace 211 and the second trace 212 are set on different layers, the smaller the distance between the first trace 211 and the second trace 212, the smaller the signal transmission loss between them.

[0108] Thus, along the thickness direction of the light-transmitting panel 100, the projection of the first trace 211 on the first substrate 121a overlaps with the projection of the second trace 212 on the substrate 121, resulting in a shorter distance between the first trace 211 and the second trace 212. This effectively reduces the signal transmission loss between the first trace 211 and the second trace 212, thereby further improving the communication function of the antenna module 20.

[0109] It should be noted that the antenna module 20 can also be disposed on the second dimming structure layer 12b. For details on the specific arrangement of the antenna module 20 on the second dimming structure layer 12b, please refer to the arrangement method of the antenna module 20 disposed on the first dimming structure layer 12a as described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0110] Thus, the above technical solution can effectively improve the communication function of the antenna module 20.

[0111] Continue to refer to Figure 10 In some specific embodiments, the antenna module 20 is disposed on two dimming structure layers 12, one of the first trace 211 and the second trace 212 is disposed on one dimming structure layer 12, and the other of the first trace 211 and the second trace 212 is disposed on the other dimming structure layer 12.

[0112] As an example, one of the first trace 211 and the second trace 212 is disposed on the first dimming structure layer 12a, and the other of the first trace 211 and the second trace 212 is disposed on the second dimming structure layer 12b. By disposing the first trace 211 and the second trace 212 on the first dimming structure layer 12a and the second dimming structure layer 12b respectively, on the one hand, the uniformity between the thickness of the first dimming structure layer 12a and the thickness of the second dimming structure layer 12b can be improved, thereby improving the applicability of the light-transmitting panel 100. On the other hand, it can also reduce the difficulty of setting up the antenna module 20, which is beneficial to reducing the manufacturing cost of the light-transmitting panel 100.

[0113] It should be noted that the reference Figure 3In the structure shown, both the first electrode layer 122a and the second electrode layer 122b can include an electrode unit 1221 and a connecting portion 1222. Both the first trace 211 and the second trace 212 can include a trace body 21 and an opening 22. Along the thickness direction of the light-transmitting panel 100, the connecting portion 1222 overlaps with the trace body 21, which can reduce the occlusion of the first trace 211 and the second trace 212 by the first electrode layer 122a and the second electrode layer 122b, thereby improving the communication function of the antenna module 20.

[0114] Figure 13 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application.

[0115] Continue to refer to Figure 13 In some specific embodiments, the antenna module 20 is disposed on one of the two dimming structure layers 12, the first trace 211 and the second trace 212 are stacked, and a second insulating layer 40 is disposed between the first trace 211 and the second trace 212.

[0116] It is understandable that when the antenna module 20 is disposed on one of the two dimming structure layers 12, and the first trace 211 and the second trace 212 are stacked, the first trace 211 and the second trace 212 are in direct contact, and interference is likely to occur between the first trace 211 and the second trace 212, which will affect the communication function of the antenna module 20.

[0117] Thus, a second insulating layer 40 is provided between the first trace 211 and the second trace 212. The second insulating layer 40 can separate the first trace 211 and the second trace 212, thereby avoiding interference between the first trace 211 and the second trace 212 to a certain extent, which is beneficial to improving the reliability of the antenna module 20.

[0118] Figure 14 This is a cross-sectional structural diagram of another light-transmitting panel 100 provided in some embodiments of this application.

[0119] Continue to refer to Figure 14 In some specific embodiments, the antenna module 20 is disposed on one of the two dimming structure layers 12, and the first trace 211 and the second trace 212 are respectively disposed on opposite sides of the substrate 121 along its own thickness direction.

[0120] To more clearly describe the embodiments of this application, we will take the example of an antenna module 20 being disposed in the first dimming structure layer 12a for illustration.

[0121] As an example, the first trace 211 and the second trace 212 are respectively disposed on opposite sides of the first substrate 121a along its thickness direction. The first substrate 121a can separate the first trace 211 and the second trace 212, thereby avoiding interference between the first trace 211 and the second trace 212 to a certain extent, which is beneficial to improving the reliability of the antenna module 20. In addition, the second insulating layer 40 can be omitted, which not only reduces the overall thickness of the light-transmitting panel 100, but also reduces the manufacturing cost of the light-transmitting panel 100.

[0122] It should be noted that the antenna module 20 can also be disposed on the second dimming structure layer 12b. For details on the specific arrangement of the antenna module 20 on the second dimming structure layer 12b, please refer to the arrangement method of the antenna module 20 disposed on the first dimming structure layer 12a as described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0123] Figure 15 This is a cross-sectional structural schematic diagram of a skylight 200 provided for some embodiments of this application.

[0124] Continue to refer to Figure 15 According to some embodiments of this application, this application also provides a skylight 200, which includes a cover plate 210 and a light-transmitting panel 100 of any of the above schemes, with the cover plate 210 covering the light-transmitting panel 100.

[0125] The skylight 200 provided in this embodiment can simultaneously realize dimming and communication functions, effectively improving the functional integration and utilization rate of the skylight 200. The cover plate 210 is placed over the light-transmitting panel 100, which can protect the light-transmitting panel 100 and thus improve the service life of the light-transmitting panel 100.

[0126] Optionally, the cover plate 210 may be, but is not limited to, made of ultrathin flexible glass, polyethylene terephthalate, polyimide, thermoplastic polyurethane elastomer rubber, cellulose triacetate, or cyclic olefin polymers.

[0127] It is understood that the sunroof 200 includes the light-transmitting panel 100 provided in the embodiments of this application. For specific details of the light-transmitting panel 100, please refer to the description of the corresponding part of the light-transmitting panel 100 described in the above embodiments of this application. For the sake of brevity, it will not be repeated here.

[0128] In some embodiments, an antenna module 20 is provided on the side of the cover plate 210 near the light-transmitting panel 100.

[0129] As an example, installing the antenna module 20 on the cover plate 210 can further improve the communication function of the sunroof 200. Furthermore, since the antenna module 20 is located on the side of the cover plate 210 closest to the light-transmitting panel 100, the cover plate 210 can protect the antenna module 20, preventing it from being damaged by external factors to a certain extent.

[0130] In some embodiments, the antenna module 20 is disposed in the dimming structure layer 12 near the cover plate 210.

[0131] As an example, the cover plate 210 can be placed on the side of the light-transmitting panel 100 that is closer to the external environment. In this way, by placing the antenna module 20 in the dimming structure layer 12 near the cover plate 210, the antenna module 20 can be closer to the external environment, and the signal communication of the antenna module 20 will be less obstructed, which is beneficial to improving the communication function of the sunroof 200.

[0132] According to some embodiments of this application, this application also provides a vehicle that includes a sunroof 200 of any of the above embodiments.

[0133] In the vehicle provided in this application embodiment, the antenna module 20 is integrated into the sunroof 200, so that the antenna module 20 does not occupy additional space in the vehicle body, which can not only improve communication quality, but also improve the structural strength of the vehicle body.

[0134] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A light-transmitting panel, characterized in that, include: A dimming module includes a liquid crystal layer and two dimming structure layers disposed opposite to each other. The liquid crystal layer is located between the two dimming structure layers. Each dimming structure layer includes a substrate and an electrode layer stacked together. The electrode layer is disposed on the side of the substrate close to the liquid crystal layer. An antenna module is disposed in at least one of the two dimming structure layers, and the antenna module includes a wiring body and an opening enclosed by the wiring body; In the dimming structure layer where the antenna module is provided, the electrode layer includes multiple electrode units and connecting parts, and the multiple electrode units are electrically connected to each other through the connecting parts; Along the thickness direction of the light-transmitting panel, the projection of the electrode unit on the substrate is located within the projection of the opening on the substrate, and the projection area of ​​the connecting part on the substrate is smaller than the projection area of ​​the electrode unit on the substrate; The antenna module is disposed on the same layer as the electrode layer, or the antenna module is disposed on the side of the electrode layer away from the substrate; Multiple electrode units are connected to the wiring body via the connecting portion.

2. The light-transmitting panel according to claim 1, characterized in that, The main body of the trace includes a first trace and a second trace, the second trace is grounded, and the electrode layer in contact with the second trace is grounded.

3. The light-transmitting panel according to claim 2, characterized in that, The first trace and the second trace are disposed on the same layer. Along the thickness direction of the light-transmitting panel, the projection of the first trace on the substrate and the projection of the second trace on the substrate do not overlap, and the projection area of ​​the first trace on the substrate is larger than the projection area of ​​the second trace on the substrate.

4. The light-transmitting panel according to claim 3, characterized in that, The first trace includes a first main body and an extension, the extension extending from the edge of the first main body in a direction away from the first main body; The second trace includes two second main body portions, which are disposed on both sides of the extension portion along a direction perpendicular to the extension direction of the extension portion.

5. The light-transmitting panel according to claim 2, characterized in that, The first trace and the second trace are disposed in different layers, and along the thickness direction of the light-transmitting panel, the projection of the first trace on the substrate overlaps with the projection of the second trace on the substrate.

6. The light-transmitting panel according to claim 5, characterized in that, The antenna module is disposed on the two dimming structure layers; One of the first trace and the second trace is disposed on one of the dimming structure layers, and the other of the first trace and the second trace is disposed on another dimming structure layer.

7. The light-transmitting panel according to claim 5, characterized in that, The antenna module is disposed in one of the two dimming structure layers; The first trace and the second trace are stacked, and a second insulating layer is provided between the first trace and the second trace.

8. The light-transmitting panel according to claim 5, characterized in that, The antenna module is disposed in one of the two dimming structure layers; The first trace and the second trace are respectively disposed on opposite sides of the substrate along its own thickness direction.

9. A skylight, characterized in that, include: Cover plate; The light-transmitting panel as described in any one of claims 1-8, wherein the cover plate is disposed on the light-transmitting panel.

10. The skylight according to claim 9, characterized in that, The antenna module is located on the side of the cover plate near the light-transmitting panel.

11. The skylight according to claim 9, characterized in that, The antenna module is disposed in the dimming structure layer near the cover plate.

12. A vehicle, characterized in that, Including the skylight as described in any one of claims 9-11.

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