Display glass assembly and vehicle

Abstract

The invention provides a display glass assembly and a vehicle. The display glass assembly comprises a glass substrate and a display pattern layer arranged on one side of the glass substrate, the glass substrate is used for transmitting light rays, the light rays form total reflection on the glass substrate, the display pattern layer is used for reflecting the light rays to the outside of the glass substrate and forming a first light-emitting pattern, and the first light-emitting pattern is used for observation outside a vehicle. According to the invention, the light generates a total reflection phenomenon in the glass substrate and is limited in the glass substrate for propagation; when the light rays are emitted to the display pattern layer, the display pattern layer can reflect the light rays out of the glass substrate, so that the pattern emits light to form a first light-emitting pattern, and a user can observe the first light-emitting pattern from the outside of a vehicle to obtain display information; therefore, by adopting the display glass assembly provided by the invention, light emitting of complex patterns on the glass is realized, complex wiring in related technologies is omitted, the display effect of the display glass assembly is improved, and the use scene of display is widened.

Description

Technical Field

[0001] This application belongs to the field of glass technology, specifically relating to display glass assemblies and vehicles. Background Technology

[0002] Currently, most patterns on vehicle windows are printed with ink, resulting in predominantly black patterns with a limited color palette. While LED chips or PVB reflective ink with peripheral light-emitting units can be used to illuminate the patterns, these require proper internal wiring for the LEDs to conduct electricity, posing a challenge for complex designs. Furthermore, complex patterns are susceptible to interference from internal wiring, making it difficult to ensure multiple patterns operate independently, thus reducing the overall display quality and limiting the application scenarios. Summary of the Invention

[0003] In view of this, the first aspect of this application provides a display glass assembly, the display glass assembly including a glass substrate and a display pattern layer disposed on one side of the glass substrate, the glass substrate being used to propagate light, the light being totally internally reflected on the glass substrate, the display pattern layer being used to reflect the light to the outside of the glass substrate and form a first light-emitting pattern, the first light-emitting pattern being used for external observation of a vehicle.

[0004] Wherein, the light incident on the display pattern layer undergoes diffuse reflection, and the display pattern layer satisfies at least one of the following conditions:

[0005] The roughness of the display pattern layer is Ra, which is 100 nm to 800 nm.

[0006] The visible light transmittance of the display pattern layer is ≥90%.

[0007] The display glass assembly further includes a light-emitting element, which is disposed on the peripheral side of the glass substrate. The peripheral side is bent and connected to the side of the glass substrate where the display pattern layer is provided. The light-emitting element is used to emit light.

[0008] The light emitted from the light-emitting element has a divergence angle θ1, wherein the divergence angle θ1 is ≤30°, ≤20°, or ≤10°.

[0009] The light-emitting element includes a light-emitting part and a collimating part. The collimating part is disposed between the light-emitting part and the glass substrate. The light-emitting part is used to emit light, and the collimating part is used to receive and make the light parallel to the glass substrate.

[0010] The light-emitting element is a light-emitting strip, which is arranged around the periphery of the glass substrate;

[0011] Alternatively, the light-emitting element may include a plurality of light-emitting sub-elements, which are spaced apart around the periphery of the glass substrate.

[0012] The glass substrate is made of soda-lime glass, high-alumina glass, lithium aluminum glass, or borosilicate glass.

[0013] The glass substrate has a refractive index of 1.45 to 1.55.

[0014] The light ray has an incident angle θ2, which is the angle between the light ray incident on the glass substrate and the normal direction of the glass substrate, and the incident angle θ2 ≥ 40°.

[0015] The glass substrate includes a first glass plate, a first adhesive layer, an optical waveguide layer, a second adhesive layer, and a second glass plate stacked sequentially. The optical waveguide layer is used to propagate the light. The display pattern layer is disposed between the first adhesive layer and the optical waveguide layer, and / or between the second adhesive layer and the optical waveguide layer.

[0016] The refractive index of the optical waveguide layer is greater than that of the first adhesive layer, and the refractive index of the optical waveguide layer is greater than that of the second adhesive layer.

[0017] The refractive index of the optical waveguide layer is >1.49, ≥1.52, or ≥1.55.

[0018] The light ray has an incident angle θ3, which is the angle between the light ray entering the optical waveguide layer and the normal direction of the optical waveguide layer, and the incident angle θ3 ≥ 73°.

[0019] The material of the optical waveguide layer is a polymer layer.

[0020] The physical thickness of the optical waveguide layer is ≤0.76mm, ≤0.57mm, or ≤0.38mm.

[0021] The display pattern layer has a reflective surface that receives the light. When the reflective surface faces the outside of the vehicle, the display pattern layer is used to form the first luminous pattern. When the reflective surface faces the inside of the vehicle, the display pattern layer is also used to form a second luminous pattern, which is used for observation inside the vehicle.

[0022] The second aspect of this application provides a vehicle, the vehicle including a body and a display glass assembly provided in the first aspect of this application, the glass substrate being mounted at an opening in the body.

[0023] The display glass assembly and vehicle provided in this application achieve total internal reflection of light within a glass substrate, confining its propagation within the substrate. During this process, the light cannot be observed from either the inside or outside of the glass substrate. When light strikes the display pattern layer, the pattern layer reflects the light out of the glass substrate, causing the pattern to emit light and forming a first luminescent pattern. Users can observe this first luminescent pattern from outside the vehicle to obtain display information. The remaining light continues to propagate within the glass substrate. Therefore, the display glass assembly provided in this application enables the emission of complex patterns on glass, eliminating the complex wiring of related technologies, improving the display effect of the display glass assembly, and expanding the application scenarios of the display. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments of this application will be described below.

[0025] Figure 1 This is a cross-sectional schematic diagram of a display glass assembly provided in one embodiment of this application.

[0026] Figure 2 This is a schematic diagram of the structure of a display glass assembly provided in one embodiment of this application.

[0027] Figure 3 This is a cross-sectional schematic diagram of a display glass assembly provided for another embodiment of this application.

[0028] Figure 4 This is a cross-sectional schematic diagram of a display glass assembly provided in another embodiment of this application.

[0029] Labeling: Display glass assembly 1, glass substrate 10, first glass plate 111, first adhesive layer 112, optical waveguide layer 113, second adhesive layer 114, second glass plate 115, display pattern layer 20, light-emitting element 30. Detailed Implementation

[0030] The following are preferred embodiments of this application. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

[0031] Please refer to this as well. Figures 1-2 This embodiment provides a display glass assembly 1, which includes a glass substrate 10 and a display pattern layer 20 disposed on one side of the glass substrate 10. The glass substrate 10 is used to transmit light, and the light is totally internally reflected on the glass substrate 10. The display pattern layer 20 is used to reflect the light to the outside of the glass substrate 10 and form a first light-emitting pattern. The first light-emitting pattern is used for external observation of the vehicle.

[0032] The number of display pattern layers 20 may be one or more. Optionally, one display pattern layer 20 may be disposed at the center of the glass substrate 10. Optionally, multiple display pattern layers 20 may be spaced apart. Optionally, multiple display pattern layers 20 may be spaced apart along the horizontal direction of the glass substrate 10. Optionally, multiple display pattern layers 20 may be spaced apart along the vertical direction of the glass substrate 10.

[0033] Wherein, the light incident on the display pattern layer 20 forms diffuse reflection, and the display pattern layer 20 satisfies at least one of the following conditions: the roughness Ra of the display pattern layer 20 is 100nm to 800nm, specifically for example, 100nm, or 150nm, or 200nm, or 250nm, or 300nm, or 350nm, or 400nm, or 450nm, or 500nm, or 550nm, or 600nm, or 650nm, or 700nm, or 750nm, or 800nm, etc. Preferably, the roughness Ra of the display pattern layer 20 is 100nm to 400nm. In this embodiment, by limiting the roughness Ra of the display pattern layer 20 to 100nm to 800nm, a diffuse reflection effect is generated when light strikes the display pattern layer 20. The display pattern layer 20 can reflect light out of the glass substrate 10 and make the pattern emit light to form a first emitting pattern. Other light that meets the total internal reflection condition will continue to propagate in the glass substrate 10.

[0034] And / or, the visible light transmittance of the display pattern layer 20 is ≥90%, specifically, for example, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99%, etc., preferably, the visible light transmittance of the display pattern layer 20 is ≥95%. This embodiment improves the aesthetic effect of the glass substrate 10 by limiting the visible light transmittance of the display pattern layer 20 to ≥90%, without affecting the use of the glass substrate 10 during the day, thus broadening the applicability of the display glass assembly 1.

[0035] Optionally, the material of the display pattern layer 20 includes ink, for example, the material of the display pattern layer 20 includes invisible ink with reflective and morphologically transparent properties.

[0036] In another embodiment, the display glass assembly 1 further includes a light-emitting element 30, which is disposed on the peripheral side of the glass substrate 10. The peripheral side is bent and connected to the side of the glass substrate 10 where the display pattern layer 20 is disposed. The light-emitting element 30 is used to emit light.

[0037] The light-emitting element 30 and the display pattern layer 20 are disposed on different sides of the glass substrate 10. For example, the light-emitting element 30 is disposed at a distance from the glass substrate 10, or the light-emitting element 30 is fixed to the glass substrate 10. Light enters the glass substrate 10 from the light-emitting element 30, and the light entering the glass substrate 10 forms an angle with the normal direction of the glass substrate 10.

[0038] The light emitted from the light-emitting element 30 has a divergence angle θ1, which is ≤30°. Specifically, examples include 30°, 25°, 20°, 15°, 10°, 8°, and 5°. Preferably, the divergence angle θ1 is ≤20°, and more preferably, it is ≤10°. It should be noted that the divergence angle of light refers to the maximum angle between the light emitted from the light source and the reference axis during propagation. This embodiment, by limiting the divergence angle θ1 to ≤30°, reduces light propagation loss, allowing more light to enter the glass substrate 10, thereby improving the brightness of the first light-emitting pattern and enhancing the display effect of the display glass assembly 1.

[0039] In one embodiment, the light-emitting element 30 includes a light-emitting part and a collimating part. The collimating part is disposed between the light-emitting part and the glass substrate 10. The light-emitting part is used to emit light, and the collimating part is used to receive and make the light parallel to the light, and also to make the parallel light shine onto the glass substrate 10.

[0040] The collimating section can convert divergent light into parallel light before it is incident on the glass substrate 10. For example, the collimating section can be a collimating lens. Specifically, when light from the self-emitting part is incident on the collimating section, the light is divergent; then, the collimating section receives the light and converts the divergent light into parallel light, and then incidents the parallel light onto the glass substrate 10.

[0041] This embodiment reduces light propagation loss by providing a light-emitting part and a collimating part, allowing more light to enter the glass substrate 10, thereby increasing the brightness of the first light-emitting pattern and improving the display effect of the display glass assembly 1.

[0042] In another embodiment, the light-emitting element 30 is a light-emitting strip, which is disposed around the periphery of the glass substrate 10. For example, the light-emitting strip extends along the circumferential direction of the glass substrate 10. Alternatively, the light-emitting strip is mounted on the peripheral side of the glass substrate 10.

[0043] During the propagation of light on the glass substrate 10, light loss occurs, which may result in uneven brightness in each display pattern layer 20. In this embodiment, by providing light-emitting strips around the periphery of the glass substrate 10, the light propagation loss is compensated, the brightness of the first light-emitting pattern is improved, thereby improving the uniformity of brightness and enhancing the display effect of the display glass assembly 1.

[0044] In another embodiment, the light-emitting element 30 includes a plurality of light-emitting sub-elements, which are spaced apart around the periphery of the glass substrate 10. For example, the spacing between two adjacent light-emitting sub-elements is equal. As another example, the glass substrate 10 includes a top end and a bottom end disposed opposite to each other, and the light-emitting sub-elements are disposed at the top end and / or the bottom end.

[0045] This embodiment, by setting multiple light-emitting sub-components, allows for flexible adjustment of the positions of the light-emitting sub-components to adapt to the position of the display pattern layer 20, thereby improving the display effect of the display glass assembly 1 and expanding the application scenarios of the display.

[0046] The glass substrate 10 can be a single piece of glass or a laminated glass. When the glass substrate 10 is a single piece of glass, the material of the glass substrate 10 is soda-lime glass, high-alumina glass, lithium aluminum glass, or borosilicate glass.

[0047] The refractive index of the glass substrate 10 is 1.45 to 1.55, specifically, it can be 1.45, 1.46, 1.47, 1.48, 1.49, 1.5, 1.51, 1.52, 1.53, 1.54, or 1.55, etc. Preferably, the refractive index of the glass substrate 10 is 1.52.

[0048] The light ray has an incident angle θ2, which is the angle between the light ray incident on the glass substrate 10 and the normal direction of the glass substrate 10. The incident angle θ2 ≥ 40°, and can be exemplified by 40°, 40.5°, 41°, 41.5°, 42°, 42.5°, 43°, 43.5°, 44°, 44.5°, 45°, 46°, 47°, 48°, 49°, or 50°, etc. Preferably, the incident angle θ2 ≥ 43°. More preferably, the incident angle θ2 ≥ 48°.

[0049] For example, when the refractive index of the glass substrate 10 is 1.45, the incident angle θ2 ≥ 43.63°.

[0050] For example, when the refractive index of the glass substrate 10 is ≤1.52, the incident angle θ2 is ≥41.15°.

[0051] For example, when the refractive index of the glass substrate 10 is ≤1.55, the incident angle θ2 is ≥40.16°.

[0052] This embodiment limits the refractive index and incident angle θ2 of the glass substrate 10 to limit the total internal reflection of light on the glass substrate 10, so that the light cannot be observed from the inside or outside of the glass substrate 10. When the light shines on the display pattern layer 20, the display pattern layer 20 can reflect the light out of the glass substrate 10, thereby making the pattern emit light and forming a first luminous pattern. The user can observe the first luminous pattern from outside the vehicle to obtain display information.

[0053] Please refer to this as well. Figures 3-4 When the glass substrate 10 is laminated glass, the glass substrate 10 includes a first glass plate 111, a first adhesive layer 112, an optical waveguide layer 113, a second adhesive layer 114, and a second glass plate 115 stacked sequentially. The optical waveguide layer 113 is used to propagate the light. The display pattern layer 20 is disposed between the first adhesive layer 112 and the optical waveguide layer 113, and / or between the second adhesive layer 114 and the optical waveguide layer 113.

[0054] Specifically, the first glass panel 111 has a first surface and a second surface. The first surface is away from the first adhesive layer 112 and in contact with the external environment of the vehicle, while the second surface is close to the first adhesive layer 112. The second glass panel 115 has a third surface and a fourth surface. The third surface is close to the second adhesive layer 114, while the fourth surface is away from the second adhesive layer 114 and close to the internal environment of the vehicle. The first adhesive layer 112 connects the second surface and the optical waveguide layer 113, and the second adhesive layer 114 connects the third surface and the optical waveguide layer 113.

[0055] The thickness of the first glass plate 111 is 1.4 mm to 2.1 mm, and the visible light transmittance of the first glass plate 111 is ≥70%, ≥80%, or ≥90%. The first glass plate 111 is transparent glass or ultra-transparent glass (ultra-white glass). The total iron content (calculated as Fe2O3) of the transparent glass (standard white glass) is less than or equal to 0.1%, or even less than or equal to 0.05%, and the visible light transmittance of the transparent glass is 80% to 95%. The total iron content (calculated as Fe2O3) of the ultra-transparent glass (ultra-white glass) is less than or equal to 0.015%, or even less than or equal to 0.01%, or even less than or equal to 50 PPM, and the visible light transmittance of the ultra-transparent glass is 90% to 95%. For example, the first glass plate 111 can be 2.1 mm thick transparent glass with a visible light transmittance of 89%, or 1.6 mm thick green glass with a visible light transmittance of 83%, or 2.1 mm thick green glass with a visible light transmittance of 80%.

[0056] The first adhesive layer 112 and the second adhesive layer 114 can be a transparent thermoplastic polymer film or a light-colored thermoplastic polymer film, and the physical thickness of both the first adhesive layer 112 and the second adhesive layer 114 is ≤0.76mm, ≤0.57mm, or ≤0.38mm. For example, the physical thickness of the first adhesive layer 112 and the second adhesive layer 114 can be, but is not limited to, 0.2mm, 0.38mm, 0.57mm, or 0.76mm. The material of the thermoplastic polymer film can be selected from at least one of polyvinyl butyral (PVB), polyurethane (PU), ethylene-vinyl acetate copolymer (EVA), TPU (thermoplastic polyurethane), and ionomer polymer (SGP).

[0057] Optionally, the visible light transmittance of the first adhesive layer 112 and the second adhesive layer 114 is ≥70%, ≥80%, or ≥85%. When the first adhesive layer 112 and the second adhesive layer 114 are transparent thermoplastic polymers, the visible light transmittance of the transparent thermoplastic polymer is greater than or equal to 85%. For example, the visible light transmittance of the first adhesive layer 112 and the second adhesive layer 114 can be, but is not limited to, 85%, 90%, or 95%.

[0058] Optionally, the first adhesive layer 112 and the second adhesive layer 114 can be a single-layer structure or a multi-layer structure. Examples of multi-layer structures include double-layer, triple-layer, quadruple-layer, and five-layer structures. The first adhesive layer 112 and the second adhesive layer 114 can also have other functions, such as adding infrared absorbers to provide sun protection or heat insulation, adding ultraviolet absorbers to provide ultraviolet protection, or having at least one layer of the multi-layer structure with a higher plasticizer content to provide sound insulation.

[0059] The second glass plate 115 has a thickness of 1.4 mm to 2.1 mm and a visible light transmittance of ≥70%, ≥80%, or ≥90%. The second glass plate 115 is transparent glass or ultra-transparent glass (ultra-white glass). The total iron content (calculated as Fe2O3) of the transparent glass (standard white glass) is less than or equal to 0.1%, even less than or equal to 0.05%, and the visible light transmittance of the transparent glass is 80% to 95%. The total iron content (calculated as Fe2O3) of the ultra-transparent glass (ultra-white glass) is less than or equal to 0.015%, even less than or equal to 0.01%, and even less than or equal to 50 PPM, and the visible light transmittance of the ultra-transparent glass is 90% to 95%. For example, the second glass plate 115 can be 2.1 mm thick transparent glass with a visible light transmittance of 89%, or 1.6 mm thick green glass with a visible light transmittance of 83%, or 2.1 mm thick green glass with a visible light transmittance of 80%.

[0060] The refractive index of the optical waveguide layer 113 is greater than that of the first adhesive layer 112, and the refractive index of the optical waveguide layer 113 is greater than that of the second adhesive layer 114.

[0061] The refractive index of the first adhesive layer 112 and the second adhesive layer 114 is ≤1.49. The refractive index of the optical waveguide layer 113 is >1.49, specifically, it can be 1.5, 1.51, 1.52, 1.53, 1.54, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.9, or 2, etc. Preferably, the refractive index of the optical waveguide layer 113 is ≥1.52, and more preferably, the refractive index of the optical waveguide layer 113 is ≥1.55.

[0062] The light ray has an incident angle θ3, which is the angle between the light ray entering the optical waveguide layer 113 and the normal direction of the optical waveguide layer 113. The incident angle θ3 ≥ 73°, and can be exemplified by 73°, 73.5°, 74°, 74.5°, 75°, 75.5°, 76°, 76.5°, 77°, 77.5°, 78°, 78.5°, 79°, 80°, 82°, or 84°, etc. Preferably, the incident angle θ3 ≥ 76°. More preferably, the incident angle θ3 ≥ 80°.

[0063] For example, when the refractive index of the optical waveguide layer 113 is ≤1.52, the incident angle θ3 is ≥78.52°.

[0064] For example, when the refractive index of the optical waveguide layer 113 is ≤1.55, the incident angle θ3 is ≥73.74°.

[0065] This embodiment limits the refractive index and incident angle θ3 of the optical waveguide layer 113 to ensure that the light undergoes total internal reflection in the optical waveguide layer 113, making the light invisible from both the inside and outside of the glass substrate 10. When the light shines on the display pattern layer 20, the display pattern layer 20 can reflect the light out of the glass substrate 10, thereby causing the pattern to emit light and forming a first luminous pattern. The user can observe the first luminous pattern from outside the vehicle to obtain display information.

[0066] The optical waveguide layer 113 is made of a polymer layer. For example, EVA material can be used as the material of the optical waveguide layer 113. EVA material can be made into a thin film with a refractive index of 1.52.

[0067] The physical thickness of the optical waveguide layer 113 is ≤0.76mm, specifically for example, 0.76mm, 0.73mm, 0.7mm, 0.67mm, 0.65mm, 0.6mm, 0.57mm, 0.55mm, 0.5mm, 0.45mm, 0.4mm, 0.38mm, 0.35mm, or 0.3mm, etc. Preferably, the physical thickness of the optical waveguide layer 113 is ≤0.57mm, and more preferably, the physical thickness of the optical waveguide layer 113 is ≤0.38mm.

[0068] Optionally, the physical thickness of the optical waveguide layer 113 is equal to the physical thickness of the first adhesive layer 112, and the physical thickness of the optical waveguide layer 113 is equal to the physical thickness of the second adhesive layer 114.

[0069] In another embodiment, the display pattern layer 20 has a reflective surface that receives the light. When the reflective surface is disposed facing the exterior of the vehicle, the display pattern layer 20 is used to form the first luminous pattern. When the reflective surface is disposed facing the interior of the vehicle, the display pattern layer 20 is also used to form a second luminous pattern, which is used for observation inside the vehicle.

[0070] For example, the first glass plate 111 is the outer glass plate, the second glass plate 115 is the inner glass plate, and the display pattern layer 20 is disposed between the second adhesive layer 114 and the optical waveguide layer 113. The reflective surface of the display pattern layer 20 is disposed facing the first glass plate 111. At this time, the display pattern layer 20 forms a first luminous pattern, and the first luminous pattern can be observed outside the vehicle.

[0071] For example, the first glass plate 111 serves as the outer glass plate, the second glass plate 115 serves as the inner glass plate, and the display pattern layer 20 is disposed between the first adhesive layer 112 and the optical waveguide layer 113. The reflective surface of the display pattern layer 20 is disposed facing the second glass plate 115. At this time, the display pattern layer 20 forms a second luminous pattern, which can be observed inside the vehicle.

[0072] In summary, the display glass assembly 1 provided in this application achieves total internal reflection of light within the glass substrate 10, confining its propagation within the glass substrate 10. At this point, the light cannot be observed from either the inside or outside of the glass substrate 10. When light strikes the display pattern layer 20, the display pattern layer 20 reflects the light out of the glass substrate 10, causing the pattern to emit light and forming a first luminous pattern. The user can observe the first luminous pattern from outside the vehicle to obtain display information. Furthermore, the remaining light continues to propagate within the glass substrate 10. Therefore, the display glass assembly 1 provided in this application achieves the emission of complex patterns on glass, eliminating the complex wiring in related technologies, improving the display effect of the display glass assembly 1, and broadening the application scenarios of the display.

[0073] This application also provides a vehicle, the vehicle including a body and a display glass assembly as described above, the glass substrate being mounted at an opening in the body.

[0074] Optionally, the light-emitting element of the display glass assembly is mounted on the vehicle body. When the glass substrate is mounted on a vehicle, it is preferably used as the rear windshield. However, it is not limited to this; the glass substrate can also be used as a windshield, sunroof, side window, or corner window, thus providing more display application scenarios for the vehicle.

[0075] The vehicle provided in this application, by employing the display glass assembly provided in this application, enables total internal reflection of light within the glass substrate, confining its propagation within the glass substrate. At this point, the light cannot be observed from either the inside or outside of the glass substrate. When light strikes the display pattern layer, the display pattern layer reflects the light out of the glass substrate, causing the pattern to emit light and forming a first luminescent pattern. The user can observe the first luminescent pattern from outside the vehicle to obtain display information. Furthermore, the remaining light continues to propagate within the glass substrate. Therefore, the display glass assembly provided in this application achieves the emission of complex patterns on the glass, eliminating the complex wiring of related technologies, improving the display effect of the display glass assembly, expanding the application scenarios of the display, and enhancing the user experience of the vehicle.

[0076] Unless otherwise stated or in case of conflict, the terms or phrases used in this application shall have the following meanings:

[0077] In this application, 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. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature.

[0078] In this application, "one or more" refers to any one, any two, or any two or more of the listed items. "Several" refers to any two or more.

[0079] In this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not 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 this application.

[0080] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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, or 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 this application can be understood according to the specific circumstances.

[0081] In this application, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The appearance of these phrases in various locations throughout the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this application can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this application can be arbitrarily combined to form another embodiment that does not depart from the spirit and scope of the technical solution of this application, provided there is no contradiction between them.

[0082] The above description represents some embodiments of this application. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

Claims

1. A display glass assembly, characterized in that, The display glass assembly includes a glass substrate and a display pattern layer disposed on one side of the glass substrate. The glass substrate is used to transmit light, and the light undergoes total internal reflection on the glass substrate. The display pattern layer is used to reflect the light to the outside of the glass substrate and form a first luminous pattern. The first luminous pattern is used for external observation of the vehicle.

2. The display glass assembly as described in claim 1, characterized in that, The light rays incident on the display pattern layer undergo diffuse reflection, and the display pattern layer satisfies at least one of the following conditions: The roughness of the display pattern layer is Ra, which is 100 nm to 800 nm. The visible light transmittance of the display pattern layer is ≥90%.

3. The display glass assembly as described in claim 1, characterized in that, The display glass assembly further includes a light-emitting element disposed on the peripheral side of the glass substrate. The peripheral side is bent and connected to the side of the glass substrate on which the display pattern layer is provided. The light-emitting element is used to emit light.

4. The display glass assembly as described in claim 3, characterized in that, The light emitted from the light-emitting element has a divergence angle θ1, wherein the divergence angle θ1 ≤ 30°, or ≤ 20°, or ≤ 10°.

5. The display glass assembly as described in claim 3, characterized in that, The light-emitting element includes a light-emitting part and a collimating part. The collimating part is disposed between the light-emitting part and the glass substrate. The light-emitting part is used to emit the light, and the collimating part is used to receive the light and make the light parallel to the glass substrate.

6. The display glass assembly as described in claim 3, characterized in that, The light-emitting element is a light-emitting strip, which is arranged around the periphery of the glass substrate; Alternatively, the light-emitting element may include a plurality of light-emitting sub-elements, which are spaced apart around the periphery of the glass substrate.

7. The display glass assembly as claimed in claim 1, characterized in that, The glass substrate is made of soda-lime glass, high-alumina glass, lithium aluminum glass, or borosilicate glass.

8. The display glass assembly as claimed in claim 7, characterized in that, The refractive index of the glass substrate is 1.45 to 1.

55.

9. The display glass assembly as claimed in claim 8, characterized in that, The light ray has an incident angle θ2, which is the angle between the light ray incident on the glass substrate and the normal direction of the glass substrate, and the incident angle θ2 ≥ 40°.

10. The display glass assembly as claimed in claim 1, characterized in that, The glass substrate includes a first glass plate, a first adhesive layer, an optical waveguide layer, a second adhesive layer, and a second glass plate stacked sequentially. The optical waveguide layer is used to propagate the light. The display pattern layer is disposed between the first adhesive layer and the optical waveguide layer, and / or between the second adhesive layer and the optical waveguide layer.

11. The display glass assembly as claimed in claim 10, characterized in that, The refractive index of the optical waveguide layer is greater than that of the first adhesive layer, and the refractive index of the optical waveguide layer is greater than that of the second adhesive layer.

12. The display glass assembly as claimed in claim 11, characterized in that, The refractive index of the optical waveguide layer is >1.49, or ≥1.52, or ≥1.

55.

13. The display glass assembly as claimed in claim 12, characterized in that, The light ray has an incident angle θ3, which is the angle between the light ray entering the optical waveguide layer and the normal direction of the optical waveguide layer, and the incident angle θ3 ≥ 73°.

14. The display glass assembly as claimed in claim 10, characterized in that, The material of the optical waveguide layer is a polymer layer.

15. The display glass assembly as claimed in claim 10, characterized in that, The physical thickness of the optical waveguide layer is ≤0.76mm, ≤0.57mm, or ≤0.38mm.

16. The display glass assembly as claimed in claim 1, characterized in that, The display pattern layer has a reflective surface that receives the light. When the reflective surface faces the outside of the vehicle, the display pattern layer is used to form the first luminous pattern. When the reflective surface faces the inside of the vehicle, the display pattern layer is also used to form a second luminous pattern, which is used for observation inside the vehicle.

17. A vehicle, characterized in that, The vehicle includes a body and a display glass assembly as described in any one of claims 1-16, wherein the glass substrate is mounted at an opening in the body.

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