Glass plate and vehicle

Abstract

The invention provides a glass plate and a vehicle. The glass plate comprises a glass layer and a coloring coating, the glass layer is provided with a preset surface, the preset surface comprises a first area and a second area, and the first area and the second area are arranged at an interval; the coloring coating covers the second area; wherein the visible light transmittance of the part, corresponding to the first area, of the glass plate is first light transmittance T1, the visible light transmittance of the part, corresponding to the second area, of the glass plate is second light transmittance T2, the first light transmittance T1 is larger than the second light transmittance T2, the first light transmittance T1 is larger than or equal to 40%, and the second light transmittance T2 is smaller than or equal to 40%. In this way, when the glass plate is applied to the vehicle, the first area can be arranged corresponding to the position of a brake lamp and the like, so that when the brake lamp is installed on the inner side of a rear windshield of the vehicle, even under low visibility, light of the brake lamp can better penetrate through the glass plate, and therefore rear-end collision accidents are better prevented. The visible light transmittance of the second area is low, and better privacy is achieved.

Description

Technical Field

[0001] The present application relates to the field of glass, and in particular to a glass plate and a vehicle. Background Art

[0002] Brake lights play an important safety role in vehicles. They can effectively remind the rear driver to pay attention to the current vehicle's deceleration or parking action, thereby reducing the occurrence of rear-end collisions. Brake lights are generally installed at the rear of the vehicle. The main color is red, which enhances the penetration of the light source. In this way, even in low visibility conditions, vehicles driving behind can easily detect the brakes of the vehicle in front, thereby preventing rear-end collisions. There are two common installation locations for brake lights: the rear windshield or body sheet metal; some models are affected by the body shape and will design the brake lights on the rear windshield; this requires reserving a transparent area on the rear windshield to ensure that the brightness of the brake lights meets safety requirements;

[0003] With the continuous development and innovation of the automobile industry, cars are no longer just a simple means of transportation. People's demand for cars is getting wider and wider. How to protect personal privacy is also a topic of common concern. Under the condition of meeting the regulations, privacy glass is generally used for the glass behind the driver. It is difficult to see the inside from the outside, but the inside can see the outside, which allows passengers in the car to have a safer and more comfortable in-car environment. If the rear door uses privacy glass, the brake lights can only be arranged on the body sheet metal, which directly limits the design of the vehicle shape. Summary of the invention

[0004] The embodiment of the present application provides a glass plate, which can allow the light of the brake light to pass through better and can also have a good privacy effect.

[0005] A first aspect of the present application provides a glass plate, comprising:

[0006] A glass layer, wherein the glass layer has a preset surface, wherein the preset surface includes a first area and a second area, wherein the first area is spaced apart from the second area;

[0007] a colored coating covering the second area;

[0008] The visible light transmittance of the portion of the glass plate corresponding to the first area is a first transmittance T1, the visible light transmittance of the portion of the glass plate corresponding to the second area is a second transmittance T2, the first transmittance T1 is greater than the second transmittance T2, the first transmittance T1 is ≥40%, and the second transmittance T2 is ≤40%.

[0009] Furthermore, the preset surface further includes a third area, the third area connects the first area and the second area and the third area is respectively arranged around the periphery of the first area and the second area;

[0010] The glass plate further includes a shielding layer, and the shielding layer covers the third area;

[0011] The visible light transmittance of the portion of the glass plate corresponding to the third area is a third light transmittance T3, and the second light transmittance T2 is greater than the third light transmittance T3.

[0012] Furthermore, a transmittance of ultraviolet light Tuv of a portion of the glass plate corresponding to the second area is ≤1%, and a transmittance of infrared light Tir of a portion of the glass plate corresponding to the second area is ≤35%.

[0013] Furthermore, the raw material components of the colored coating include, by weight:

[0014] 100 parts of a hydrolyzable silane compound;

[0015] 5 to 30 parts of a colored nanoparticle dispersion;

[0016] 1 to 10 parts of UV absorber;

[0017] 1 to 5 parts of infrared absorber; and

[0018] 1 to 5 parts of silane coupling agent.

[0019] Furthermore, the hydrolyzable silane compound includes at least one of methyl orthosilicate, ethyl orthosilicate, trimethoxysilane, triethoxysilane and dimethyldimethoxysilane.

[0020] Further, the colored nanoparticle dispersion includes colored nanoparticles, and the colored nanoparticles include at least one of manganese oxide, zinc oxide, iron oxide, chromium oxide, and copper oxide; and / or,

[0021] The average particle size of the colored nanoparticles is in the range of 10 nm to 50 nm.

[0022] Furthermore, the infrared absorber includes infrared absorbing particles, and the ultraviolet absorber includes ultraviolet absorbing particles; in the raw material components of the colored coating, the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles ranges from 1:30 to 20.

[0023] Furthermore, the infrared absorber comprises infrared absorbing particles, a dispersant and a stabilizer; in the infrared absorber, the mass fraction of the infrared absorbing particles ranges from 5% to 80%.

[0024] Furthermore, the infrared absorbing particles include indium tin oxide particles, WO 3 particles, tin antimony oxide particles, and at least one of tin antimony oxide particles.

[0025] Furthermore, the ultraviolet absorber comprises ultraviolet absorbing particles, a light stabilizer and an antioxidant. In the ultraviolet absorber, the mass fraction of the ultraviolet absorbing particles ranges from 0.5% to 15%.

[0026] Furthermore, the ultraviolet absorbing particles include ZnO, CeO 2 , at least one of benzophenone ultraviolet light absorbing particles, benzimidazole ultraviolet light absorbing particles, and triazine ultraviolet light absorbing particles.

[0027] Furthermore, the silane coupling agent includes at least one of γ-aminopropyltriethoxysilane, 3-glycidyloxypropyltrimethoxysilane, and γ-methacryloxypropyltrimethoxysilane.

[0028] Furthermore, the glass plate further comprises a conductive layer, wherein a portion of the conductive layer is located between the glass layer and the colored coating layer, and a portion of the conductive layer is located on a side of the shielding layer away from the glass layer, and the conductive layer is used for loading electrical signals or for transmitting signals.

[0029] Furthermore, the thickness of the colored coating layer ranges from 5 μm to 20 μm.

[0030] The second aspect of the present application also provides a vehicle, which includes:

[0031] Car body;

[0032] a brake light, the brake light being disposed at the rear side of the vehicle body and located inside the vehicle body; and

[0033] The glass plate described in the embodiment of the present application is arranged at the rear side of the vehicle body to serve as the rear windshield of the vehicle, and the first area of ​​the glass plate is arranged corresponding to the brake light.

[0034] The glass plate of the present application includes a glass layer, a shielding layer and a coloring coating. The visible light transmittance of the portion of the glass plate corresponding to the first area is a first transmittance T1, and the first transmittance T1 is ≥40%. In this way, when the glass plate is applied to a vehicle and used as a rear windshield of the vehicle, the first area can be set corresponding to the position of the brake light, so that when the brake light is installed on the inner side of the rear windshield of the vehicle, even under relatively low visibility, the light of the brake light can better penetrate the glass plate, thereby better preventing the occurrence of rear-end collision accidents; in addition, the visible light transmittance T2 of the portion of the glass plate corresponding to the second area is ≤40%, and the second area is a large area of ​​the glass plate, and the visible light transmittance of the second area is low, so that when the glass plate is used as a rear windshield of the vehicle, it can have better privacy, and it is difficult to see the inside of the vehicle from the outside of the vehicle, but the outside of the vehicle can be seen from the inside of the vehicle, so that passengers in the vehicle can have a safer and more comfortable in-vehicle environment. Furthermore, the visible light transmittance of the third area close to the periphery of the glass plate is lower than that of the second area, so that the glass plate has a better appearance and can better shield the sheet metal, interior panels, etc. inside the vehicle, thereby playing a role in shielding and concealing ugliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 Schematic diagram of the structure of a glass layer according to an embodiment of the present application.

[0037] Figure 2 It is a schematic structural diagram of a glass plate according to an embodiment of the present application.

[0038] Figure 3 The glass plate edge of an embodiment of the present application Figure 2 Schematic diagram of the local cross-sectional structure in the AA direction.

[0039] Figure 4 It is a schematic structural diagram of a glass plate according to another embodiment of the present application.

[0040] Figure 5 The glass plate edge of an embodiment of the present application Figure 4 Schematic diagram of the local cross-sectional structure in the middle BB direction.

[0041] Figure 6 Schematic diagram of the structure of a conductive layer according to an embodiment of the present application.

[0042] Figure 7It is a schematic structural diagram of a vehicle according to an embodiment of the present application.

[0043] Description of reference numerals:

[0044] 100 - glass sheet, 10 - glass layer, 11 - preset surface, 111 - first area, 112 - second area, 113 - third area, 20 - shielding layer, 30 - coloring coating, 40 - conductive layer, 41 - conducting wire, 42 - second busbar, 43 - third busbar, 200 - vehicle, 210 - vehicle body, 220 - brake light. DETAILED DESCRIPTION

[0045] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] The terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally includes other steps or units inherent to these processes, methods, products or devices.

[0047] The technical solutions in the embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0048] It should be noted that, for the convenience of explanation, in the embodiments of the present application, the same figure marks represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments.

[0049] Brake lights play an important safety role in vehicles. They can effectively remind the rear driver to pay attention to the current vehicle's deceleration or parking action, thereby reducing the occurrence of rear-end collisions. Brake lights are generally installed at the rear of the vehicle. The main color is red, which enhances the penetration of the light source. In this way, even in low visibility conditions, vehicles driving behind can easily detect the brakes of the vehicle in front, thereby preventing rear-end collisions. There are two common installation locations for brake lights: the rear windshield or body sheet metal; some models are affected by the body shape and will design the brake lights on the rear windshield; this requires reserving a transparent area on the rear windshield to ensure that the brightness of the brake lights meets safety requirements;

[0050] With the continuous development and innovation of the automobile industry, cars are no longer just a simple means of transportation. People's demand for cars is getting wider and wider. How to protect personal privacy is also a topic of common concern. Under the condition of meeting the regulations, privacy glass is generally used for the glass behind the driver. It is difficult to see the inside from the outside, but the inside can see the outside, which allows passengers in the car to have a safer and more comfortable in-car environment. If the rear door uses privacy glass, the brake lights can only be arranged on the body sheet metal, which directly limits the design of the vehicle shape.

[0051] See also Figures 1 to 3 The embodiment of the present application provides a glass plate 100, which includes a glass layer 10 and a colored coating 30. The glass layer 10 has a preset surface 11, and the preset surface 11 includes a first area 111 and a second area 112, wherein the first area 111 and the second area 112 are arranged at intervals; the colored coating 30 covers the second area 112; wherein the visible light transmittance of the portion of the glass plate 100 corresponding to the first area 111 is a first light transmittance T1, and the visible light transmittance of the portion of the glass plate 100 corresponding to the second area 112 is a second light transmittance T2, the first light transmittance T1 is greater than the second light transmittance T2, the first light transmittance T1 ≥ 40%, and the second light transmittance T2 ≤ 40%.

[0052] The glass plate 100 of the embodiment of the present application can be applied to a vehicle as a rear windshield of the vehicle. Optionally, the vehicle can be but is not limited to at least one of a car, a sedan, an off-road vehicle, a truck, a bus, etc. When the glass plate 100 is applied to a vehicle, the first region 111 is disposed closer to the top of the vehicle than the second region 112; it can also be understood that the second region 112 is disposed closer to the bottom of the vehicle than the first region 111.

[0053] When the glass plate 100 is applied to a vehicle, the first area 111 may be arranged to correspond to the position of electronic equipment such as brake lights, communication devices, cameras, and high-speed start-stop lights of the vehicle.

[0054] Optionally, the glass layer 10 may be, but is not limited to, at least one of green glass (referred to as green glass), white glass (referred to as white glass), UV green glass, Solar green glass, and the like.

[0055] Optionally, the glass layer 10 may be, but is not limited to, tempered glass.

[0056] Optionally, the glass layer 10 may be single-layer glass, double-layer glass, triple-layer glass, etc.

[0057] Optionally, the thickness of the glass layer 10 is 2.5 mm to 5 mm. Specifically, the thickness of the glass layer 10 can be, but is not limited to, 2.5 mm, 2.6 mm, 2.8 mm, 3.1 mm, 3.2 mm, 3.5 mm, 3.85 mm, 4.0 mm, 4.2 mm, 4.4 mm, 4.6 mm, 4.8 mm, 5.0 mm, etc.

[0058] It can be understood that the colored coatings 30 are all located on the preset surface 11 .

[0059] It can be understood that the first region 111 is not provided with the colored coating 30 .

[0060] Specifically, the visible light transmittance T1 of the portion of the glass plate 100 corresponding to the first area 111 may be, but is not limited to, greater than or equal to 40%, greater than or equal to 45%, greater than or equal to 50%, greater than or equal to 55%, greater than or equal to 60%, greater than or equal to 65%, greater than or equal to 70%, greater than or equal to 75%, greater than or equal to 80%, greater than or equal to 85%, greater than or equal to 90%, etc.

[0061] It can be understood that the visible light transmittance of the portion of the glass plate 100 corresponding to the colored coating 30 is the second transmittance T2.

[0062] Specifically, the visible light transmittance T2 of the portion of the glass plate 100 corresponding to the second area 112 may be, but is not limited to, less than or equal to 40%, less than or equal to 35%, less than or equal to 30%, less than or equal to 25%, less than or equal to 20%, less than or equal to 15%, less than or equal to 10%, etc.

[0063] The glass plate 100 of the present application includes a glass layer 10, a shielding layer 20 and a coloring coating 30. The visible light transmittance of the portion of the glass plate 100 corresponding to the first region 111 is a first light transmittance T1, and the first light transmittance T1 is ≥40%. In this way, when the glass plate 100 is applied to a vehicle and used as a rear windshield of the vehicle, the first region 111 can be arranged corresponding to the position of the brake light, etc., so that when the brake light is installed on the inner side of the rear windshield of the vehicle, even under relatively low visibility, the light of the brake light can better penetrate the glass plate 100, thereby better preventing the occurrence of rear-end collision accidents; in addition, the visible light transmittance T2 of the portion of the glass plate 100 corresponding to the second region 112 is ≤40%, and the second region 112 is a large area of ​​the glass plate 100. The visible light transmittance of the second region 112 is relatively low, so that when the glass plate 100 is used as a rear windshield of the vehicle, it can have better privacy, and it is difficult to see the inside of the vehicle from the outside of the vehicle, but the outside of the vehicle can be seen from the inside of the vehicle, so that passengers in the vehicle can have a safer and more comfortable in-vehicle environment.

[0064] In some embodiments, the preset surface 11 also includes a third area 113, the third area 113 connects the first area 111 and the second area 112, and the third area 113 is respectively arranged around the periphery of the first area 111 and the second area 112; the glass plate 100 also includes a shielding layer 20, and the shielding layer 20 covers the third area 113; the visible light transmittance of the part of the glass plate 100 corresponding to the third area 113 is a third transmittance T3, and the second transmittance T2 is greater than the third transmittance T3.

[0065] It can be understood that the third region 113 is disposed near the periphery of the glass layer 10. The first region 111 and the second region 112 are embedded in the third region 113 at intervals. The area of ​​the second region 112 is larger than the area of ​​the first region 111, and larger than the area of ​​the third region 113.

[0066] It can be understood that the shielding layer 20 and the colored coating layer 30 are both located on the same surface of the glass plate 100. Specifically, the shielding layer 20 and the colored coating layer 30 are both located on the preset surface 11.

[0067] It can be understood that the first area 111 is not provided with the shielding layer 20 and the coloring coating layer 30 .

[0068] It can be understood that the shielding layer 20 is disposed around the periphery of the first region 111 and the second region 112. The shielding layer 20 is disposed around the periphery of the coloring coating layer 30.

[0069] Optionally, the shielding layer 20 can be obtained by curing colored ceramic ink.

[0070] Optionally, the color of the shielding layer 20 may be, but is not limited to, black. The thickness of the shielding layer 20 is in the micrometer level.

[0071] Optionally, the shielding layer 20 may also have the function of blocking harmful light spectrum, such as ultraviolet light, infrared light, etc., so as to slow down the aging of the interior decoration parts of the vehicle.

[0072] It can be understood that the visible light transmittance of the portion of the glass plate 100 corresponding to the shielding layer 20 is the third transmittance T3.

[0073] Optionally, the visible light transmittance of the position of the glass plate 100 corresponding to the shielding layer 20 is less than or equal to 5%. Specifically, the visible light transmittance of the position of the glass plate 100 corresponding to the shielding layer 20 may be, but is not limited to, less than or equal to 5%, less than or equal to 4%, less than or equal to 3%, less than or equal to 24%, less than or equal to 1%, etc.

[0074] In this embodiment, by setting a shielding layer 20 in the third area 113, the visible light transmittance of the third area 113 close to the periphery of the glass plate 100 is less than the visible light transmittance of the second area 112. In this way, the glass plate 100 can have a better appearance effect, and can also better shield the sheet metal, interior panels, etc. inside the vehicle, thereby playing a role in shielding and concealing ugliness.

[0075] In some embodiments, the ultraviolet light transmittance Tuv of the portion of the glass plate 100 corresponding to the second area 112 is ≤1%, and the infrared light transmittance Tir of the portion of the glass plate 100 corresponding to the second area 112 is ≤35%.

[0076] It can be understood that the ultraviolet light transmittance Tuv of the portion of the glass plate 100 corresponding to the colored coating 30 is ≤1%, and the infrared light transmittance Tir of the portion of the glass plate 100 corresponding to the colored coating 30 is ≤35%.

[0077] Specifically, the ultraviolet light transmittance Tuv of the portion of the glass plate 100 corresponding to the second region 112 may be, but is not limited to, less than or equal to 1%, less than or equal to 0.9%, less than or equal to 0.8%, less than or equal to 0.7%, less than or equal to 0.6%, less than or equal to 0.5%, less than or equal to 0.4%, less than or equal to 0.3%, etc. If the ultraviolet light transmittance of the portion of the glass plate 100 corresponding to the second region 112 is too large, the anti-ultraviolet effect of the glass plate 100 is reduced.

[0078] Specifically, the infrared light transmittance Tir of the portion of the glass plate 100 corresponding to the second region 112 may be, but is not limited to, less than or equal to 35%, less than or equal to 30%, less than or equal to 25%, less than or equal to 20%, less than or equal to 15%, less than or equal to 10%, less than or equal to 5%, etc. The lower the infrared light transmittance of the portion of the glass plate 100 corresponding to the second region 112, the better. If the infrared light transmittance of the portion of the glass plate 100 corresponding to the second region 112 is too high, the infrared light protection effect of the glass plate 100 is reduced.

[0079] The glass plate 100 of this embodiment has a lower infrared transmittance, and thus has a better heat insulation effect. When applied to a vehicle, it can make the interior of the vehicle have a lower temperature. In addition, the glass plate 100 has a lower ultraviolet transmittance. When applied to a vehicle, it can better protect the interior of the vehicle and reduce skin damage.

[0080] In some embodiments, the raw material components (also referred to as coating solution) of the colored coating 30 include, by weight:

[0081] 100 parts of a hydrolyzable silane compound;

[0082] 5 to 30 parts of a colored nanoparticle dispersion;

[0083] 1 to 10 parts of UV absorber;

[0084] 1 to 5 parts of infrared absorber; and

[0085] 1 to 5 parts of silane coupling agent.

[0086] It is understood that the mass of the colored nanoparticle dispersion in the coating liquid is 5% to 30% of the mass of the hydrolyzable silane compound. The mass of the ultraviolet absorber in the coating liquid is 1% to 10% of the mass of the hydrolyzable silane compound. The mass of the infrared absorber in the coating liquid is 1% to 5% of the mass of the hydrolyzable silane compound.

[0087] Specifically, the mass of the colored nanoparticle dispersion in the coating liquid may be, but is not limited to, 5%, 8%, 10%, 12%, 15%, 18%, 20%, 23%, 25%, 28%, 30%, etc. of the mass of the hydrolyzable silane compound. If the content of the colored nanoparticle dispersion in the coating liquid is too low, the visible light transmittance of the portion of the glass plate 100 corresponding to the colored coating 30 is too large, which is not conducive to protecting the privacy in the car; if the content of the colored nanoparticle dispersion in the coating liquid is too high, the adhesion of the colored coating 30 on the glass plate 100 is reduced; in addition, the color of the area of ​​the glass plate 100 corresponding to the colored coating 30 is too dark, which affects the appearance of the glass plate 100.

[0088] Specifically, the mass of the ultraviolet absorber in the coating liquid may be, but is not limited to, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, etc. of the mass of the hydrolyzable silane compound. If the content of the ultraviolet absorber in the coating liquid is too low, the ultraviolet transmittance of the colored coating 30 area of ​​the glass plate 100 is increased; if the content of the ultraviolet absorber in the coating liquid is too high, the adhesion of the colored coating 30 on the glass plate 100 is reduced.

[0089] Specifically, the mass of the infrared absorber in the coating liquid may be, but is not limited to, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, etc. of the mass of the hydrolyzable silane compound. If the content of the infrared absorber in the coating liquid is too low, the infrared transmittance of the colored coating 30 region of the glass plate 100 is increased, and the heat insulation effect of the glass plate 100 is reduced; if the content of the infrared absorber in the coating liquid is too high, the adhesion of the colored coating 30 on the glass plate 100 is reduced.

[0090] Specifically, the mass fraction of the silane coupling agent in the coating liquid may be, but is not limited to, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, etc. In this embodiment, if the content of the silane coupling agent in the coating liquid is too small, the interface compatibility of the colored coating 30 is reduced, which may result in poor interface compatibility between the colored coating 30 and the glass layer 10, affecting the performance of the colored coating 30; in addition, the weather resistance of the colored coating 30 is reduced, that is, the coating may lack sufficient weather resistance and be easily affected by the external environment and lose performance; furthermore, the corrosion resistance of the colored coating 30 is affected, which may reduce the resistance of the colored coating 30 to corrosive media, causing the colored coating 30 to be easily corroded. If the content of silane coupling agent in the coating liquid is too high, the transparency of the colored coating 30 will be affected, and the colored coating 30 may become turbid, affecting the transparency; in addition, the adhesion of the colored coating 30 will be affected, and the adhesion between the colored coating 30 and the glass layer 10 may be weakened, or even peeling may occur; furthermore, the wear resistance of the colored coating 30 will be affected, and the wear resistance of the colored coating 30 may be reduced, making the colored coating 30 susceptible to wear; furthermore, the chemical resistance of the colored coating 30 will be affected, and the chemical resistance of the colored coating 30 may be reduced, thereby weakening its resistance to chemical substances.

[0091] In this embodiment, the raw material components (i.e., coating liquid) of the colored coating 30 include hydrolyzable silane compounds, which are compounds containing silicon elements and organic groups, and usually have silicon-oxygen bonds and silicon-organic group bonds. The silicon-oxygen bonds in these compounds are hydrolyzable and easily undergo hydrolysis reactions with water; the hydrolyzable silane compounds provide the silicon element part required by the silane coupling agent, and these silicon elements can play a role in the synthesis of the silane coupling agent, and the silane coupling agent, through the characteristics of its organic group and silicon element part, establishes a good interface bond between the organic matter (such as the colored coating 30) and the inorganic matter (such as the glass layer 10), thereby improving the performance and stability of the material, thereby making the colored coating 30 and the glass layer 10 have a higher bonding force, so that the glass plate 100 can be used for a longer period of time without being easily delaminated. In addition, the raw material components of the colored coating 30 also include a colored nanoparticle dispersion, which can adjust the color and visible light transmittance of the colored coating 30, so that the glass plate 100 has a better privacy effect in the vehicle when applied to the vehicle. Furthermore, the raw material components of the colored coating 30 also include an ultraviolet absorber and an infrared absorber, and the colored coating 30 has a good absorption effect on ultraviolet light and infrared light, so that the glass plate 100 has a lower ultraviolet light transmittance and infrared light transmittance. In addition, a silane coupling agent is added to the coating liquid, and the organic functional group of the silane coupling agent is chemically bonded to the ultraviolet absorber and the dispersant on the outer surface of the infrared light absorbing nanoparticles is chemically bonded. It can be understood that the silane coupling agent can establish a chemical bond between organic and inorganic substances, and can improve the interface compatibility between organic and inorganic substances, thereby improving the overall performance of the material. The organic group of the silane coupling agent can be compatible with organic matter, and the silicon part can be chemically bonded to the surface of the inorganic substance, thereby achieving a good combination between organic and inorganic substances. In addition, the silane coupling agent can enable the colored coating 30 to better adhere to the surface of the glass layer 10, enhancing the adhesion and wear resistance of the material; furthermore, the silane coupling agent can improve the weather resistance and chemical resistance of the colored coating 30, allowing the colored coating 30 to maintain stability under different environmental conditions.

[0092] In some embodiments, the hydrolyzable silane compound includes at least one of methyl orthosilicate, ethyl orthosilicate, trimethoxysilane, triethoxysilane and dimethyldimethoxysilane. In this embodiment, the use of these compounds can make the colored coating 30 and the glass layer 10 have better bonding strength, so that the glass plate 100 can be used for a longer time without being easily delaminated.

[0093] In some embodiments, the colored nanoparticle dispersion includes colored nanoparticles, and the colored nanoparticles include at least one of manganese oxide, zinc oxide, iron oxide, chromium oxide, and copper oxide. The colored nanoparticles composed of these materials can better adjust the color of the colored coating 30, so that the visible light transmittance of the area corresponding to the colored coating 30 on the glass plate 100 is less than or equal to 40%, so that when the glass plate 100 is applied to a vehicle, the interior of the vehicle has a better privacy effect; in addition, these colored nanoparticles can also make the glass plate 100 have a better appearance effect or color effect, and when applied to a vehicle, the vehicle is more beautiful.

[0094] Optionally, the average particle size of the colored nanoparticles is in the range of 10 nm to 50 nm.

[0095] Specifically, the average particle size of the colored nanoparticles may be, but is not limited to, 10 nm, 15 nm, 20 nm, 25 nm, 30 nm, 35 nm, 40 nm, 45 nm, 50 nm, etc.

[0096] In this embodiment, the average particle size of the colored nanoparticles is too small, and the coloring strength of the colored nanoparticles is increased, but the weather resistance of the colored nanoparticles is reduced, and the hiding power is reduced. When the glass plate 100 is applied to a vehicle, it is not conducive to improving the privacy effect in the vehicle; in addition, the cost of the colored coating 30 is increased. If the average particle size of the colored nanoparticles is too large, the coloring strength of the colored nanoparticles is reduced, and the color light and hue of the colored coating 30 are affected; in addition, a larger particle size may affect the saturation and hue of the color; furthermore, if the average particle size of the colored nanoparticles is too large, it is easy to make the appearance of the colored coating 30 uneven, affecting the appearance effect of the colored coating 30. When the average particle size of the colored nanoparticles is in the range of 10nm to 50nm, the colored nanoparticles can have both high coloring strength and hiding power, and the surface of the colored coating 30 is smoother, so that the colored coating 30 has a better appearance effect.

[0097] In some embodiments, the infrared absorber includes infrared absorbing particles, and the ultraviolet absorber includes ultraviolet absorbing particles; in the raw material components of the colored coating 30, the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles ranges from 1:30 to 20.

[0098] Specifically, in the raw material components of the colored coating 30, the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles can be but is not limited to 1:30, 1:25, 1:20, 1:15, 1:10, 1:5, 1:2, 1, 3, 5, 10, 15, 20, 25, 30, etc.

[0099] Energy transfer may occur between the ultraviolet absorbing particles and the infrared absorbing particles. For example, after the ultraviolet absorbing particles absorb the ultraviolet light energy, they may transfer part of the energy to the infrared absorbing particles by non-radiative transfer. This energy transfer process can be achieved through the interaction between excited state molecules. The energy level structures of the ultraviolet absorbing particles and the infrared absorbing particles may affect each other, thereby affecting their optical behavior in the colored coating 30. The interaction can regulate the absorption spectrum range and intensity to achieve the regulation and optimization of optical properties. By rationally designing and controlling their proportions and interaction modes, the optical properties of the material in different wavelength ranges can be regulated to meet specific application requirements. Therefore, an imbalance in the proportion of infrared absorbing particles and ultraviolet absorbing particles in the material may lead to an imbalance in optical properties.

[0100] In this embodiment, if the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles is too small, an imbalance in optical performance may easily occur, i.e., the absorption of the colored coating 30 in the infrared and ultraviolet spectral ranges is uneven, affecting the optical performance and stability of the colored coating 30; in addition, the thermal effect may be enhanced, i.e., the ultraviolet absorbing particles usually absorb light energy and convert it into heat energy. If the content of the ultraviolet absorbing particles is too high, the colored coating 30 may generate too much heat under lighting conditions, affecting the stability and performance of the material of the colored coating 30; furthermore, the performance of the colored coating 30 may be unstable, i.e., the performance of the colored coating 30 may be unstable, so that the colored coating 30 exhibits different performances under different lighting conditions, affecting its reliability and stability.

[0101] In this embodiment, if the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles is too large, the optical performance of the colored coating 30 may be unbalanced, that is, the colored coating 30 may not absorb ultraviolet light sufficiently, affecting the ultraviolet protection performance of the colored coating 30; in addition, the optical transparency of the colored coating 30 may be reduced, that is, too many infrared absorbing particles may cause the transparency of the colored coating 30 in the visible light range to be reduced; furthermore, the performance of the colored coating 30 may be unstable, that is, the performance of the colored coating 30 may be unstable, so that the colored coating 30 exhibits different performances under different lighting conditions, affecting its reliability and stability.

[0102] Furthermore, in the raw material components of the colored coating 30, the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles is in a range of 1:20 to 10. This can make the colored coating 30 more balanced in the infrared and ultraviolet spectrum ranges, so that the colored coating 30 has better reliability and stability.

[0103] In some embodiments, the infrared absorber includes infrared absorbing particles, a dispersant, and a stabilizer.

[0104] Optionally, the dispersant may be, but is not limited to, at least one of polyvinyl alcohol and polyacrylic acid.

[0105] Optionally, the stabilizer may be, but is not limited to, at least one of an ultraviolet absorbing substance and an antioxidant.

[0106] In this embodiment, the infrared absorber includes a dispersant, which can make the infrared absorbing particles more evenly dispersed in the coating liquid, thereby improving the performance stability of the infrared absorber. In addition, the infrared absorber of this embodiment also includes a stabilizer. The infrared absorber may be degraded due to factors such as light and heat during use. Adding a stabilizer can improve the stability of the infrared absorber and extend the service life of the infrared absorber.

[0107] Optionally, in the infrared absorber, the mass fraction of the infrared absorbing particles ranges from 5% to 80%.

[0108] Specifically, in the infrared absorber, the mass fraction of the infrared absorbing particles may be, but is not limited to, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, etc.

[0109] In this embodiment, if the mass fraction of the infrared absorbing particles in the infrared absorber is too low, the infrared absorbing effect of the infrared absorber will be reduced, and then the infrared absorbing effect of the formed colored coating 30 will be reduced, so that the colored coating 30 cannot provide sufficient infrared absorption capacity, affecting its absorption efficiency within the infrared spectrum; in addition, the stability of the infrared absorbing absorber will be reduced, making the infrared absorber more susceptible to external environmental factors such as infrared radiation and deterioration; furthermore, the thermal stability of the infrared absorber will be affected, and the stability of the infrared absorber will be reduced when heated, making it more susceptible to deformation or damage due to heat. If the mass fraction of the infrared absorbing particles in the infrared absorber is too high, the transparency of the colored coating 30 may be reduced, affecting its transmission performance within the infrared spectrum; in addition, a high content of infrared absorbing particles may change the thermal conductivity of the material, resulting in a decrease in the thermal conductivity of the material, affecting its performance in thermal conductivity; furthermore, an excessively high content of infrared absorbing particles may change the appearance and optical properties of the material, resulting in color changes or decreased optical properties.

[0110] Furthermore, in the infrared absorber, the mass fraction of the infrared absorbing particles is in a range of 20% to 50%. This allows the colored coating 30 to have a better infrared absorption capability and improves the optical properties of the colored coating 30, such as transparency.

[0111] In some embodiments, the infrared absorbing particles include indium tin oxide particles (ITO particles for short), WO 3At least one of particles, tin antimony oxide particles (Antimony Tin Oxide, referred to as ATO particles), and zinc aluminum oxide particles (AZO particles). In this embodiment, using these materials as infrared absorption particles can better improve the infrared absorption effect of the colored coating 30, and can make the colored coating 30 have better stability, and in addition, the color of the colored coating 30 will not be changed too much.

[0112] In some embodiments, the ultraviolet absorber includes ultraviolet absorbing particles, light stabilizers and antioxidants. In this embodiment, the ultraviolet absorber includes a light stabilizer, which can delay or inhibit the degradation of the polymer under ultraviolet light. The light stabilizer can prevent the breakage of the polymer molecular chain by absorbing or reacting to ultraviolet light, thereby extending the service life of the colored coating 30. In addition, the ultraviolet absorber also includes an antioxidant, which can prevent or slow down the oxidation reaction of the polymer in the presence of oxygen, thereby protecting the material from oxidation damage; in some cases, the antioxidant can also be used in combination with the ultraviolet absorber to protect the material together.

[0113] Optionally, in the ultraviolet absorber, the mass fraction of the ultraviolet absorbing particles ranges from 0.5% to 15%.

[0114] Specifically, the mass fraction of the ultraviolet absorbing particles in the ultraviolet absorber can be but is not limited to 0.5%, 1%, 2%, 4%, 5%, 6%, 8%, 10%, 12%, 14%, 15%, etc.

[0115] In this embodiment, if the mass fraction of the ultraviolet absorbing particles in the ultraviolet absorber is too small, it may not provide sufficient ultraviolet absorbing capacity, causing the material to be susceptible to aging and damage due to ultraviolet light, thereby reducing the protective effect of the ultraviolet absorber; in addition, if the mass fraction of the ultraviolet absorbing particles in the ultraviolet absorber is too small, too low a content of ultraviolet absorbing particles may reduce the stability of the material, making it more susceptible to external environmental factors such as ultraviolet light, heat and oxygen, and deteriorate. If the mass fraction of the ultraviolet absorbing particles in the ultraviolet absorber is too large, it may affect the transparency and optical properties of the material, resulting in a decrease in the transparency of the material; in addition, a high content of ultraviolet absorbing particles may change the physical properties of the material, such as strength, hardness and flexibility, and reduce the mechanical properties of the material.

[0116] Furthermore, in the ultraviolet absorber, the mass fraction of the ultraviolet absorbing particles ranges from 1% to 10%. In this way, the ultraviolet absorber can have sufficient ultraviolet absorption capacity, and when applied to the color coating 30, it can better prevent material aging, while not reducing the transparency and mechanical properties of the color coating 30 too much.

[0117] In some embodiments, the ultraviolet absorbing particles include ZnO, CeO 2 At least one of benzophenone ultraviolet light absorbing particles, benzimidazole ultraviolet light absorbing particles, and triazine ultraviolet light absorbing particles. Using these substances as ultraviolet light absorbing particles can make the color coating 30 have a better ultraviolet absorption effect without affecting the mechanical properties of the color coating 30.

[0118] Optionally, the silane coupling agent includes at least one of γ-aminopropyl triethoxysilane, 3-glycidyloxypropyl trimethoxysilane, and γ-methacryloxypropyl trimethoxysilane. The use of these silane coupling agents can better improve the adhesion of the colored coating 30 on the glass layer 10, so that the colored coating 30 can be better attached to the glass layer 10, and the colored coating 30 has higher wear resistance and weather resistance.

[0119] In some embodiments, the thickness of the colored coating 30 is in a range of 5 μm to 20 μm.

[0120] Specifically, the thickness of the colored coating layer 30 may be, but is not limited to, 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, 10 μm, 11 μm, 12 μm, 13 μm, 14 μm, 15 μm, 16 μm, 17 μm, 18 μm, 19 μm, 20 μm, etc.

[0121] In this embodiment, if the thickness of the colored coating 30 is too thin, the light transmittance of the glass plate 100 is too high. When the glass plate 100 is applied to a vehicle, the privacy effect in the vehicle is reduced. In addition, the ultraviolet and infrared light blocking effect of the glass plate 100 is reduced. If the thickness of the colored coating 30 is too thick, the adhesion of the colored coating 30 on the glass layer 10 is reduced, making the colored coating 30 easy to fall off. In addition, the cost of the colored coating 30 is increased. When the thickness of the colored coating 30 is 5 μm to 20 μm, the area of ​​the glass plate 100 corresponding to the colored coating 30 can have a lower visible light transmittance, can better block ultraviolet and infrared light, and can make the colored coating 30 have better adhesion on the glass layer 10.

[0122] See also Figures 4 to 6 In some embodiments, the glass plate 100 further includes a conductive layer 40, wherein the conductive layer 40 is partially located between the glass layer 10 and the colored coating 30, and partially located on the side of the shielding layer 20 away from the glass layer 10, and the conductive layer 40 is used to load electrical signals or to transmit signals.

[0123] Optionally, the conductive layer 40 may be, but is not limited to, a nano-scale silver paste layer. Optionally, the conductive layer 40 may be formed by sintering a conductive silver paste.

[0124] In one example, the conductive layer 40 includes a plurality of conductive wires 41, a first busbar 42 and a second busbar 43, the plurality of conductive wires 41 extend along a first direction, and the plurality of conductive wires 41 are spaced apart along a second direction, the first busbar 42 and the second busbar 43 are respectively disposed on opposite sides of the plurality of conductive wires 41, and opposite ends of each of the conductive wires 41 are respectively connected to the first busbar 42 and the second busbar 43 to form a closed loop.

[0125] Optionally, the glass plate 100 further includes a power connector (not shown), which is electrically connected to the first busbar 42 and the second busbar 43, respectively, and is used to load an electrical signal (such as a voltage signal, a current signal, etc.) to the first busbar 42 and the second busbar 43. When the power connector loads an electrical signal, the conductive layer 40 generates heat, thereby achieving the effect of defogging and defrosting the glass plate 100.

[0126] In another example, the conductive layer 40 includes a plurality of conductive wires 41 , and the plurality of conductive wires 41 are non-closed (ie, do not form a loop), and the plurality of conductive wires 41 are used as antennas for transmitting signals such as electromagnetic waves.

[0127] In this embodiment, the glass plate 100 also includes a conductive layer 40, which can be used to load electrical signals or to transmit signals, so that the glass plate 100 can be demisted or defrosted to improve the user experience of the glass plate 100, or used to transmit electromagnetic wave signals so that the glass plate 100 has an electromagnetic wave transmission function.

[0128] The glass plate 100 of the present application is further described below through specific embodiments.

[0129] Example 1

[0130] The glass plate 100 of this embodiment includes a glass layer 10, a shielding layer 20 and a colored coating layer 30;

[0131] The glass layer 10 includes a first area 111, a second area 112 and a third area 113, wherein the first area 111 and the second area 112 are spaced apart, the third area 113 connects the first area 111 and the second area 112 and surrounds the periphery of the first area 111 and the second area 112 respectively; the shielding layer 20 covers the third area 113; and the color coating 30 covers the second area 112;

[0132] The glass layer 10 of this embodiment is white glass, and the thickness of the glass layer 10 is 3.5 mm;

[0133] The coating liquid of this embodiment includes 100 parts of methyl orthosilicate (hydrolyzable silane compound), 15 parts of manganese oxide particles (colored nanoparticles), 5 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are ZnO) and 3 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are ITO), and the thickness of the colored coating 30 is 10μm.

[0134] Example 2

[0135] The difference between this embodiment and the first embodiment is that the glass layer 10 is green glass.

[0136] Example 3

[0137] The difference between this embodiment and the first embodiment is that the glass layer 10 is Solar green glass.

[0138] Example 4

[0139] The difference between this embodiment and Embodiment 1 is that the coating liquid includes 100 parts of methyl orthosilicate (hydrolyzable silane compound), 5 parts of manganese oxide particles (colored nanoparticles), 1 part of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are ZnO) and 1 part of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are ITO), and the thickness of the colored coating 30 is 10 μm.

[0140] Example 5

[0141] The difference between this embodiment and Embodiment 1 is that the coating liquid includes 100 parts of methyl orthosilicate (hydrolyzable silane compound), 30 parts of manganese oxide particles (colored nanoparticles), 10 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are ZnO) and 5 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are ITO), and the thickness of the colored coating 30 is 10 μm.

[0142] Example 6

[0143] The difference between this embodiment and embodiment 1 is that the coating solution includes 100 parts of trimethoxysilane (hydrolyzable silane compound), 15 parts of iron oxide particles (colored nanoparticles), 5 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are CeO 2 ) and 3 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are WO 3 particles), and the thickness of the color coating layer 30 is 10 μm.

[0144] Example 7

[0145] The difference between this embodiment and embodiment 1 is that the coating liquid includes 100 parts of trimethoxysilane (hydrolyzable silane compound), 15 parts of copper oxide particles (colored nanoparticles), 5 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are benzophenone ultraviolet absorbing particles) and 3 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are tin antimony oxide particles), and the thickness of the colored coating 30 is 10 μm.

[0146] Example 8

[0147] The difference between this embodiment and embodiment 1 is that the coating liquid includes 100 parts of trimethoxysilane (hydrolyzable silane compound), 15 parts of zinc oxide particles (colored nanoparticles), 5 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are benzimidazole ultraviolet light absorbing particles) and 3 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are tin antimony oxide particles), and the thickness of the colored coating 30 is 10 μm.

[0148] Example 9

[0149] The difference between this embodiment and embodiment 1 is that the coating liquid includes 100 parts of methyl orthosilicate (hydrolyzable silane compound), 15 parts of manganese oxide particles (colored nanoparticles), 5 parts of ultraviolet absorber (the mass fraction of ultraviolet absorbing particles in the ultraviolet absorber is 10%, and the ultraviolet absorbing particles are ZnO), 3 parts of infrared absorber (the mass fraction of infrared absorbing particles in the infrared absorber is 20%, and the infrared absorbing particles are ITO) and 4 parts of γ-aminopropyltriethoxysilane (silane coupling agent), and the thickness of the colored coating 30 is 10 μm.

[0150] Comparative Example 1

[0151] In this embodiment, 3.5 mm thick white glass is used as the glass plate 100 .

[0152] Comparative Example 2

[0153] In this embodiment, 3.5 mm thick green glass is used as the glass plate 100 .

[0154] Comparative Example 3

[0155] In this embodiment, 3.5 mm thick Solar green glass is used as the glass plate 100 .

[0156] Performance tests were performed on the areas of the glass plate 100 corresponding to the colored coating 30 in the above-mentioned embodiments and comparative examples.

[0157] (1) Light transmittance test: measured in accordance with ISO9050-2003.

[0158] (2) Color measurement: measured according to CIE 1976 L*a*b*-Transmittance (D65 / 10°).

[0159] Table 1 Performance parameters of the glass plate 100 corresponding to the colored coating 30 area of ​​each embodiment and comparative example

[0160]

[0161]

[0162] It can be seen from the test data in Table 1 that the glass plate 100 of the embodiment of the present application has a visible light transmittance of less than or equal to 38.86% in the area of ​​the colored coating 30, a UV transmittance of less than or equal to 0.05%, an infrared transmittance of less than or equal to 14.61%, and a direct solar transmittance of less than 26.68%. It has good anti-ultraviolet and anti-infrared effects, and has a good privacy effect when applied to vehicles. At the same time, since the first area 111 is not provided with a shielding layer 20 and a colored coating 30, it has a good visible light transmittance and will not affect the passage of the light of the brake light. In addition, the glass plate 100 of the present application has a good color effect, wherein the L* value is within the range of 45 to 60 (including the endpoint values ​​45 and 60), the a* value is within the range of -3 to 1.5 (including the endpoint values ​​-3 and -1.5), and the b* value is within the range of 2 to 4 (including the endpoint values ​​2 and 4).

[0163] See also Figure 7 The embodiment of the present application further provides a vehicle 200, which includes a vehicle body 210, a brake light 220 and the glass plate 100 described in the embodiment of the present application, wherein the brake light 220 is arranged on the rear side of the vehicle body 210 and is located on the inner side of the vehicle body 210; the glass plate 100 is arranged on the rear side of the vehicle body 210 as a rear windshield of the vehicle 200, and the first area 111 of the glass plate 100 is arranged corresponding to the brake light 220.

[0164] The vehicle 200 in the embodiment of the present application may be, but is not limited to, a car, a sedan, an off-road vehicle, a truck, a bus, or other means of transportation.

[0165] Optionally, the glass plate 100 may be fixed to the vehicle body 210 , or may be movably disposed on the vehicle body 210 .

[0166] For detailed description of other aspects of the glass plate 100 , please refer to the description of the corresponding parts of the above embodiments, which will not be repeated here.

[0167] Mentioning "embodiment" and "implementation method" in this application means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrases in various locations 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 also 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, if there is no contradiction between them.

[0168] Finally, it should be noted that the above implementation modes are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the above preferred implementation modes, a person of ordinary skill in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. A glass plate, characterized in that: include: A glass layer, wherein the glass layer has a preset surface, wherein the preset surface includes a first area and a second area, wherein the first area is spaced apart from the second area; a colored coating covering the second area; The visible light transmittance of the portion of the glass plate corresponding to the first area is a first transmittance T1, the visible light transmittance of the portion of the glass plate corresponding to the second area is a second transmittance T2, the first transmittance T1 is greater than the second transmittance T2, the first transmittance T1 is ≥40%, and the second transmittance T2 is ≤40%.

2. The glass sheet according to claim 1, characterized in that The preset surface further includes a third area, the third area connects the first area and the second area and the third area is respectively arranged around the periphery of the first area and the second area; The glass plate further includes a shielding layer, and the shielding layer covers the third area; The visible light transmittance of the portion of the glass plate corresponding to the third area is a third light transmittance T3, and the second light transmittance T2 is greater than the third light transmittance T3.

3. The glass sheet according to claim 1, characterized in that The ultraviolet light transmittance Tuv of the portion of the glass plate corresponding to the second area is ≤1%, and the infrared light transmittance Tir of the portion of the glass plate corresponding to the second area is ≤35%.

4. The glass sheet according to claim 1, characterized in that The raw material components of the colored coating include, by weight: 100 parts of a hydrolyzable silane compound; 5 to 30 parts of a colored nanoparticle dispersion; 1 to 10 parts of UV absorber; 1 to 5 parts of infrared absorber; and 1 to 5 parts of silane coupling agent.

5. The glass sheet according to claim 4, characterized in that The hydrolyzable silane compound includes at least one of methyl orthosilicate, ethyl orthosilicate, trimethoxysilane, triethoxysilane and dimethyldimethoxysilane.

6. The glass sheet according to claim 4, characterized in that The colored nanoparticle dispersion includes colored nanoparticles, and the colored nanoparticles include at least one of manganese oxide, zinc oxide, iron oxide, chromium oxide, and copper oxide; and / or, The average particle size of the colored nanoparticles is in the range of 10 nm to 50 nm.

7. The glass sheet according to claim 4, characterized in that The infrared absorber includes infrared absorbing particles, and the ultraviolet absorber includes ultraviolet absorbing particles; In the raw material components of the colored coating, the mass ratio of the infrared absorbing particles to the ultraviolet absorbing particles ranges from 1:30 to 20.

8. The glass sheet according to claim 4, characterized in that The infrared absorber includes infrared absorbing particles, a dispersant and a stabilizer; In the infrared absorber, the mass fraction of the infrared absorbing particles ranges from 5% to 80%.

9. The glass sheet according to claim 7 or 8, characterized in that The infrared absorption particles include at least one of indium tin oxide particles, WO3 particles, tin antimony oxide particles, and tin antimony oxide particles.

10. The glass sheet according to claim 4, characterized in that The ultraviolet absorber includes ultraviolet absorbing particles, light stabilizer and antioxidant; In the ultraviolet absorber, the mass fraction of the ultraviolet absorbing particles ranges from 0.5% to 15%.

11. The glass sheet according to claim 7 or 10, characterized in that The ultraviolet light absorbing particles include at least one of ZnO, CeO2, benzophenone ultraviolet light absorbing particles, benzimidazole ultraviolet light absorbing particles, and triazine ultraviolet light absorbing particles.

12. The glass sheet according to claim 4, characterized in that The silane coupling agent includes at least one of γ-aminopropyltriethoxysilane, 3-glycidyloxypropyltrimethoxysilane and γ-methacryloxypropyltrimethoxysilane.

13. The glass sheet according to claim 2, characterized in that The glass plate further comprises a conductive layer, which is partially located between the glass layer and the colored coating layer and partially located on a side of the shielding layer away from the glass layer. The conductive layer is used to load electrical signals or transmit signals.

14. The glass sheet according to claim 1, wherein: The color coating has a thickness ranging from 5 μm to 20 μm.

15. A vehicle, characterized in that: include: Car body; A brake light, the brake light being arranged at the rear side of the vehicle body and located inside the vehicle body; as well as The glass plate according to any one of claims 1 to 14 is arranged on the rear side of the vehicle body as a rear windshield of the vehicle, and the first area of ​​the glass plate is arranged corresponding to the brake light.

Images