An automobile sunroof assembly and an automobile

Abstract

The present invention belongs to the technical field of automotive glass. Specifically disclosed is an automotive sunroof assembly and an automobile. The automotive sunroof assembly includes a sunroof glass, a control device, and a light source. The sunroof glass includes a first layer of glass, a first adhesive layer, a dimming film, a second adhesive layer, and a second layer of glass that are stacked in sequence. Patterns are etched on the surface of the dimming film. The control device is used to control the dimming film to be powered on or off to adjust the visible light transmittance of the sunroof glass. When the visible light transmittance of the sunroof glass decreases, the light source can irradiate the dimming film to make the patterns appear, creating an atmosphere light effect. The total weight and cost of the sunroof glass are reduced by this automotive sunroof assembly. When the control device controls the dimming film to be powered on, the sunroof glass has good light transmission performance. The automobile includes the above-mentioned automotive sunroof assembly, improving the driving experience and riding experience of the automobile.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive glass, and in particular to an automotive sunroof assembly and an automobile. Background Art

[0002] With the development of vehicle intelligence, people's requirements for the driving and riding experience of automobiles are getting higher and higher. The ambient lights of automobiles play an important role in meeting the driving and riding experience.

[0003] In the prior art, the way to achieve the effect of ambient lights such as a starry sky roof is as follows: using laminated glass as the sunroof glass of the roof, adding a third layer of glass capable of printing patterns and reflecting light in the laminated glass, and printing specific patterns on the third layer of glass. By projecting light sources on both sides of the sunroof glass onto the sunroof glass, the effect of the ambient lights of the starry sky roof is achieved. The third layer of glass not only increases the thickness and weight of the sunroof glass, but also increases the installation difficulty and cost of the sunroof glass. Moreover, when the light source is turned off, the printed patterns on the sunroof glass are visible, affecting the light transmittance of the sunroof glass and reducing the driving and riding experience of the automobile.

[0004] Therefore, an automotive sunroof assembly and an automobile are needed to solve the above problems. Summary of the Invention

[0005] An object of the present invention is to provide an automotive sunroof assembly to reduce the weight and cost of the sunroof glass and improve the light transmittance of the sunroof glass.

[0006] To achieve this purpose, the technical solution adopted by the present invention is:

[0007] An automotive sunroof assembly includes:

[0008] A sunroof glass, which includes a first layer of glass, a first adhesive layer, a dimming film, a second adhesive layer, and a second layer of glass stacked in sequence; patterns are etched on the surface of the dimming film;

[0009] A control device, which is used to control the dimming film to be powered on or off to adjust the visible light transmittance of the sunroof glass;

[0010] A light source, which is configured to be able to irradiate the dimming film when the visible light transmittance of the sunroof glass decreases.

[0011] Preferably, the dimming film is divided into at least two etched areas, and the patterns are etched on the surface of each etched area; the control device can independently control each etched area to be powered on or off.

[0012] Preferably, the skylight glass further includes a PET film, and the PET film is located between the first adhesive layer and the dimming film; a plurality of spherical bumps are provided on the surface of the PET film, and the spherical bumps are configured to present a three-dimensional effect of the pattern when observing the skylight glass through the spherical bumps.

[0013] Preferably, the plurality of spherical bumps are arranged in an array.

[0014] Preferably, a matching pattern capable of cooperating with the pattern is further provided on the surface of the PET film.

[0015] Preferably, the light source includes a body and a lens located at the front end of the body, and the light emitted by the body passes through the lens to form a plurality of parallel light beams.

[0016] Preferably, the projection angle of the parallel light beam onto the dimming film is greater than or equal to 90° and less than or equal to 180°.

[0017] Preferably, the number of the light sources is multiple, and the multiple light sources are evenly distributed at equal intervals along the circumference of the skylight glass.

[0018] Preferably, the light source is visible light in the wavelength band of 400nm - 800nm.

[0019] Another object of the present invention is to provide an automobile, so as to reduce the weight and cost of the skylight glass and improve the light transmittance of the skylight glass.

[0020] To achieve this purpose, the technical solution adopted by the present invention is:

[0021] An automobile includes the above-mentioned automobile skylight assembly.

[0022] The beneficial effects of the present invention are:

[0023] An automobile skylight assembly of the present invention includes a skylight glass, a control device, and a light source. A pattern is etched on the surface of the dimming film. The pattern formed by enclosing with miniature etched lines is invisible. The control device controls the dimming film to be powered off or on to adjust the visible light transmittance of the skylight glass. When the visible light transmittance of the skylight glass decreases, the dimming film forms a rear projection panel, and the light source irradiates the dimming film. The etched lines can reflect light, so that the pattern appears, creating an effect of an atmosphere light. Compared with adding a third layer of glass with a printed visible pattern in the skylight glass, the skylight glass in this automobile skylight assembly does not need to add a third layer of glass, reducing the total weight and cost of the skylight glass and facilitating the installation of the skylight glass. At the same time, the pattern on the dimming film is invisible without being irradiated by the light source. When the visible light transmittance of the dimming film increases, the skylight glass has good light transmission performance.

[0024] An automobile of the present invention includes the above-mentioned automobile sunroof assembly. The sunroof glass in the automobile sunroof assembly does not need to be equipped with a third layer of glass, which reduces the total weight and cost of the sunroof glass and facilitates the installation of the sunroof glass. At the same time, when the visible light transmittance of the dimming film increases, the sunroof glass has good light transmission performance, improving the driving and riding experience of the automobile. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a cross-sectional view of the sunroof glass provided in Embodiment 1 of the present invention;

[0026] Figure 2 is an end view of the PET film provided in Embodiment 1 of the present invention;

[0027] Figure 3 is a schematic diagram of a single light source irradiating the sunroof glass provided in Embodiment 1 of the present invention.

[0028] The names and reference numerals of the components in the figure are as follows:

[0029] 1. Sunroof glass; 11. First layer of glass; 12. First adhesive layer; 13. PET film; 131. Spherical bump; 14. Dimming film; 15. Second adhesive layer; 16. Second layer of glass;

[0030] 2. Light source; 21. Body; 22. Lens; 23. Parallel light rays. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] In order to make the technical problems solved by the present invention, the technical solutions adopted and the achieved technical effects clearer, the technical solutions of the present invention will be further described below with reference to the drawings and through specific embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. In addition, it should be noted that, for the sake of description, only the parts related to the present invention are shown in the drawings, rather than all of them.

[0032] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may also include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly under and obliquely under the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0034] In the description of this embodiment, the orientation or positional relationships such as "up", "down", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operations, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0035] The technical solution of the present invention will be further described below in conjunction with the drawings and through specific embodiments.

[0036] Embodiment 1

[0037] As Figures 1-3 shown, this embodiment provides an automotive sunroof assembly. The automotive sunroof assembly includes a sunroof glass 1, a control device (not shown in the figure) and a light source 2. The sunroof glass 1 includes a first layer of glass 11, a first adhesive layer 12, a dimming film 14, a second adhesive layer 15 and a second layer of glass 16 which are stacked in sequence. Patterns are etched on the surface of the dimming film 14. The control device is used to control the dimming film 14 to be powered on or off to adjust the visible light transmittance of the sunroof glass 1. When the visible light transmittance of the sunroof glass 1 decreases, the light source 2 can irradiate the dimming film 14.

[0038] In this embodiment, a pattern formed by enclosing miniature etched lines is provided on the surface of the dimming film 14. Since the miniature etched lines are invisible, the pattern formed by enclosing them is also invisible. The control device controls the dimming film 14 to be powered on or off, so that the visible light transmittance of the skylight glass 1 decreases, and the dimming film 14 forms an opaque rear projection board. The light source 2 irradiates the side of the dimming film 14 with the pattern, and the etched lines reflect the light of the light source 2, so that the pattern can be displayed, creating an effect of an ambient light. Compared with adding a third layer of glass with a printed visible pattern to the skylight glass, the skylight glass 1 in this embodiment does not need to add a third layer of glass, reducing the total weight and cost of the skylight glass 1 and facilitating the installation of the skylight glass 1. At the same time, the pattern on the dimming film 14 is invisible without being irradiated by the light source 2. When the visible light transmittance of the skylight glass 1 increases, it has good light transmission performance, improving the driving experience and riding experience of the vehicle.

[0039] It should be noted that when the dimming film 14 is powered on, the visible light transmittance of the skylight glass 1 decreases, and when the dimming film 14 is powered off, the visible light transmittance of the skylight glass 1 increases. Or, when the dimming film 14 is powered on, the visible light transmittance of the skylight glass 1 increases, and when the dimming film 14 is powered off, the visible light transmittance of the skylight glass 1 decreases.

[0040] Preferably, the dimming film 14 is divided into at least two etched areas (not shown in the figure), and patterns are etched on the surface of each etched area. The control device can independently control each etched area to be powered on or off. In order to create the effects of multiple ambient lights, in this embodiment, the surface of the dimming film 14 is etched with patterns by laser for zoning. Each etched area is independently connected to the control device. Therefore, the control device can independently control the dimming film 14 corresponding to each etched area to be powered on or off, so that different etched areas can display patterns separately to meet different needs of users. It can be understood that the patterns in the etched areas can be the same patterns or different patterns. Moreover, the patterns can be graphics such as starry sky, cartoons, etc. The sizes and specific shapes of the patterns and etched areas are not specifically limited herein.

[0041] As Figure 2 shown, preferably, the skylight glass 1 further includes a PET film 13. The PET film 13 is located between the first adhesive layer 12 and the dimming film 14, and a plurality of spherical bumps 131 are further provided on the surface of the PET film 13. When observing the skylight glass 1 through the spherical bumps 131, the pattern presents a three-dimensional effect. Here, the spherical bumps 131 are equivalent to miniature lenses. When the driver or passenger in the vehicle observes the skylight glass 1, the pattern can present a three-dimensional effect, further enhancing the ambient light effect of the vehicle skylight assembly and improving the driving experience and riding experience of the vehicle.

[0042] Preferably, the multiple spherical bumps 131 are arranged in an array, making the three-dimensional effect of the pattern more beautiful. The size and array spacing of the spherical bumps 131 need to be determined according to the specific design requirements of the skylight glass 1, and no specific limitation is given here.

[0043] Preferably, a matching pattern (not shown in the figure) that can cooperate with the pattern is further provided on the surface of the PET film 13. Since the matching pattern on the PET film 13 is obtained by yellow light technology, the matching pattern on the PET film is also invisible. Therefore, it will not affect the light transmission performance of the skylight glass 1. The matching pattern and the pattern on the dimming film 14 cooperate to form a combined pattern, making the skylight glass 1 have a more diverse and rich atmosphere light effect, which is beneficial to improving the driving experience and riding experience of the vehicle. Yellow light technology is a conventional technical means in this field and will not be elaborated here.

[0044] As Figure 3 shown, the light source 2 includes a body 21 and a lens 22 located at the front end of the body 21. The light emitted by the body 21 passes through the lens 22 to form multiple parallel light beams 23. The light source 2 irradiates the skylight glass 1 in the form of multiple parallel light beams 23, so that the pattern of the dimming film 14 and the matching pattern on the PET film 13 can obtain light with the same projection angle, which is beneficial to the uniform distribution of light and improves the atmosphere light effect of the vehicle skylight assembly.

[0045] Preferably, the projection angle α of the parallel light beam 23 incident on the dimming film 14 is greater than or equal to 90° and less than or equal to 180°. When the projection angle α is equal to 90°, the light source 2 is located directly below the skylight glass 1 and faces the side of the dimming film 14 with the pattern. When the projection angle α is equal to 180°, the light source 2 is on the same horizontal plane as the skylight glass 1 and faces the side of the skylight glass 1.

[0046] Preferably, the number of the light sources 2 is multiple, and the multiple light sources 2 are equally spaced along the circumference of the skylight glass 1. The multiple light sources 2 are equally spaced, enhancing the illumination intensity obtained by the pattern and the matching pattern, and the light is more evenly distributed on the dimming film 14 and the PET film 13, which is beneficial to enhancing the atmosphere light effect of the vehicle skylight assembly.

[0047] In this embodiment, the light source 2 needs to irradiate the dimming film 14 and the PET film 13 simultaneously. Preferably, the light source 2 is visible light in the wavelength band of 400 nm to 800 nm. When only irradiating the dimming film 14, the light source 2 can also be a matrix point light source.

[0048] This embodiment also provides a vehicle, including the above-mentioned vehicle sunroof assembly. The sunroof glass 1 in this vehicle sunroof assembly does not need to be equipped with a third layer of glass, reducing the total weight and cost of the sunroof glass 1 and facilitating the installation of the sunroof glass 1. At the same time, when the control device controls the dimming film 14 to be powered on, the sunroof glass 1 has good light transmission performance, improving the driving experience and riding experience of the vehicle.

[0049] Embodiment 2

[0050] A vehicle sunroof assembly provided in this embodiment is basically the same as that in Embodiment 1. The main difference is as follows:

[0051] In this embodiment, through the yellow light technology, a pattern is formed on the PET film 13, and the surface of the dimming film 14 no longer uses laser etching patterns, reducing the processing difficulty and production cost of the sunroof glass 1. It should be noted that due to the influence of the characteristics of the PET film 13 itself, when the visible light transmittance of the dimming film 14 decreases to form an opaque rear projection plate, a specific band of light source needs to be used to irradiate the sunroof glass 1 to make the invisible pattern appear, creating the effect of an ambient light. The light source of this specific band is visible light in the band of 400 nm to 800 nm. The light source of this specific band can also be invisible light less than or equal to 400 nm band or invisible light greater than or equal to 800 nm band.

[0052] The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, there are various changes and modifications to the present invention, and these changes and modifications all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An automotive sunroof assembly, characterized in that, Comprising: A sunroof glass (1), the sunroof glass (1) comprising a first layer of glass (11), a first adhesive layer (12), a dimming film (14), a second adhesive layer (15) and a second layer of glass (16) stacked in sequence; a pattern is etched on the surface of the dimming film (14); A control device for controlling the dimming film (14) to be powered on or off to adjust the visible light transmittance of the sunroof glass (1); A light source (2) configured to irradiate the dimming film (14) when the visible light transmittance of the sunroof glass (1) decreases; the light source (2) is located below the first layer of glass (11); the light source (2) irradiates the side of the dimming film (14) with the pattern; The light source (2) includes a body (21) and a lens (22) located at the front end of the body (21), and the light emitted by the body (21) passes through the lens (22) to form multiple parallel light beams (23).

2. The automotive sunroof assembly according to claim 1, characterized in that, The dimming film (14) is partitioned into at least two etched areas, and the pattern is etched on the surface of each etched area; the control device can independently control each etched area to be powered on or off.

3. The automotive sunroof assembly according to claim 1, characterized in that, The sunroof glass (1) further includes a PET film (13), the PET film (13) is located between the first adhesive layer (12) and the dimming film (14); a plurality of spherical bumps (131) are provided on the surface of the PET film (13), and the spherical bumps (131) are configured such that when observing the sunroof glass (1) through the spherical bumps (131), the pattern presents a three-dimensional effect.

4. The automotive sunroof assembly according to claim 3, characterized in that, The plurality of spherical bumps (131) are arranged in an array.

5. The automotive sunroof assembly according to claim 3, characterized in that, A matching pattern capable of cooperating with the pattern is further provided on the surface of the PET film (13).

6. The automotive sunroof assembly according to claim 5, characterized in that, The projection angle of the parallel light beam (23) incident on the dimming film (14) is greater than or equal to 90° and less than or equal to 180°.

7. The automotive sunroof assembly according to claim 5, characterized in that, The number of the light sources (2) is multiple, and the multiple light sources (2) are equally spaced along the circumference of the sunroof glass (1).

8. The automotive sunroof assembly according to claim 1, characterized in that, The light source (2) is visible light in the wavelength range of 400 nm to 800 nm.

9. An automobile, characterized in that, Including the automotive sunroof assembly according to any one of claims 1-8.

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