Glass covers for two different light sensors

Abstract

The present invention relates to a cover for a vehicle sensor module. The vehicle sensor module includes at least two different optical sensors, a first optical sensor operating in the near-infrared wavelength range and a second optical sensor operating in the visible wavelength range. The cover is 15 mW in the operating wavelength range of the first optical sensor. -1 The optical sensor further includes a first zone corresponding to a projection of a field of view of a first optical sensor onto the cover, and a second zone distinct from the first zone corresponding to a projection of a field of view of a second optical sensor onto the cover, the first zone being transparent in an operating wavelength range of the first optical sensor, and the second zone being transparent in an operating wavelength range of the second optical sensor.

Description

[Technical Field]

[0001] The present invention relates to the field of sensor covers, and more particularly to glass covers adapted for two different light sensors. [Background technology]

[0002] A recent trend is to incorporate an increasing number of sensors into vehicles. There is also an increasing demand from vehicle manufacturers to combine such sensors, integrating at least two different sensors into one single housing, such as a combination of radar and lidar, a combination of lidar and camera, or a combination of lidar and infrared camera. While these sensors are becoming increasingly important, especially for partially or fully automated driving, the trend is to hide such sensors for aesthetic purposes. Even if such sensors can be placed on the vehicle body, this means that the sensors protrude from the vehicle, and such integration is not considered aesthetically pleasing by vehicle manufacturers. The trend is to integrate such sensors into the vehicle body, for example, behind a vehicle window (as described in WO2018178284) or behind an exterior trim element of the vehicle (as described in WO2018178286).

[0003] However, combining multiple sensors, each operating in a specific wavelength range, means that a single cover in front of both sensors must fit both optical sensors. Therefore, there is a need for a cover that will fit optical sensors operating in different wavelength ranges. Summary of the Invention

[0004] The present invention relates to a cover for a vehicle sensor module. The vehicle sensor module includes at least two different optical sensors, a first optical sensor having a first field of view operating in the near-infrared wavelength range and a second optical sensor having a second field of view operating in the visible wavelength range. The cover is 15 mW in the operating wavelength range of the first optical sensor. -1 The optical sensor includes at least a first glass sheet having a smaller absorption coefficient, the at least first glass sheet having an inner surface facing at least two different optical sensors and an outer surface opposite the inner surface. The cover further includes a first zone corresponding to a projection of at least a first field of view onto the cover, and a second zone corresponding to a projection of at least a second field of view onto the cover, the second zone being distinguishable from the first zone. The first zone is transparent in the operating wavelength range of the first optical sensor, and the second zone is transparent in the operating wavelength range of the second optical sensor. [Brief explanation of the drawings]

[0005] The present invention will be further described, by way of example, with reference to the accompanying drawings, in which like reference numerals refer to like elements in the various drawings. These examples are provided by way of illustration and not by way of limitation. The accompanying drawings are schematic and not to scale. Different elements of the drawings are shown separated for ease of understanding. The accompanying drawings do not limit the present invention in any way. Further advantages will be illustrated by some examples. [Figure 1] The main elements used in the explanation are shown below. [Figure 2a-d] 1 illustrates an alternative embodiment of the present invention using ink. [Figure 3] Another alternative embodiment of the present invention is shown, also using ink. [Figure 4] 10 shows another alternative embodiment of the present invention using a film. [Figure 5] 10 shows another alternative embodiment of the present invention using an intermediate layer with an insert. [Figure 6] 10 shows another alternative embodiment of the present invention using a film with an insert. [Figure 7] 10 shows another alternative embodiment of the present invention using a film with ink. DETAILED DESCRIPTION OF THE INVENTION

[0006] The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto but only by the claims.

[0007] Although some embodiments described herein include some features included in other embodiments and not others, combinations of features from various embodiments are intended to fall within the scope of the invention and form various embodiments, as will be understood by those skilled in the art. For example, in the following claims, any of the claimed embodiments can be used in any combination.

[0008] The present invention proposes a cover for a vehicle sensor module, including cars, vans, lorries, motorcycles, buses, trams, trains, drones, planes, helicopters, etc.

[0009] The vehicle sensor module includes at least two different optical sensors. The first optical sensor has a first field of view. The first optical sensor operates in the near-infrared wavelength range. The near-infrared sensor is a sensor located in the near-infrared wavelength range, meaning that the operating wavelength range is 780 nm to 1650 nm. It encompasses lidar and near-infrared cameras. Lidar is an acronym for "light detection and ranging." It is also called "laser scanning" or "3D scanning." The technology uses a laser beam to generate a 3D representation of the survey environment. The operating wavelengths of lidar compatible with the present invention are included in the range of 780 nm to 1650 nm (commonly referred to as near-infrared). More specifically, known operating wavelengths of currently produced lidar compatible with the present invention are 850 nm, 905 nm, 940 nm, 1064 nm, 1310 nm, 1350 nm, 1550 nm, and 1650 nm. It may be considered that a variation of 25 nm around the nominal value of the wavelength is acceptable, so for example, a wavelength range of 1525 nm to 1575 nm may be acceptable around the nominal value of 1550 nm.

[0010] The second optical sensor has a second field of view and operates in the visible wavelength range, which is defined as 380 nm to 780 nm.

[0011] The cover is 15 m in the operating wavelength range of the first optical sensor. -1 The optical sensor includes at least a first glass plate having a smaller absorption coefficient, the first glass plate having an inner surface facing the at least two different optical sensors and an outer surface opposite the inner surface.

[0012] In this specification, the absorption coefficient is used in the wavelength range of 780 nm to 1650 nm to quantify the low absorption of glass sheets in the near-infrared range. The absorption coefficient is defined by the ratio between the absorbance and the optical path length traversed by electromagnetic radiation in a given environment. The absorption coefficient is m -1 The absorption coefficient is therefore independent of the thickness of the material, but is a function of the wavelength of the absorbed radiation and the chemical nature of the material.

[0013] For glass, the absorption coefficient (μ) at a selected wavelength λ can be calculated from the measured transmittance (T) and the refractive index n of the material (thickness), where the values ​​of n, ρ, and T are functions of the selected wavelength λ. TIFF2026500640000002.tif18170, where ρ=(n-1) 2 / (n+1) 2 .

[0014] According to the present invention, 15 m -1 Smaller, preferably 10m -1 Smaller, even more preferably 5m -1 Glass plates with smaller absorption coefficients at the operating wavelength of the near infrared sensor may be soda-lime-silica glasses, aluminosilicates, borosilicates.

[0015] Preferably, a glass composition compatible with the invention comprises the following total contents, expressed as percentages by weight of the glass: SiO2 55-85% Al2O30-30% B2O3 0-20% Na2O 0-25% CaO 0-20% MgO 0-15% K2O 0~20% BaO 0-20%

[0016] More preferably, a glass composition compatible with the invention comprises the following contents, expressed as percentages of the total glass weight: SiO2 55-78% Al2O30-18% B2O30-18% Na2O 0-20% CaO 0-15% MgO 0-10% K2O 0~10% BaO 0-5%

[0017] More preferably, for reasons of reduced manufacturing costs, the glass according to the invention is made of soda-lime glass. The glass composition according to the invention comprises the following contents, expressed as a percentage of the total glass weight: SiO2 60-75% Al2O30-6% B2O3 0-4% CaO 0-15% MgO 0-10% Na2O 5-20% K2O 0~10% BaO 0-5%

[0018] In addition to this basic composition, the glass may contain other natural and modified components, depending on the quantity of the desired effect. A solution to obtain a glass that is very transparent in the near infrared, with little or no effect on its aesthetics or its color, is to combine in the glass composition small amounts of iron, and optionally chromium, in specific content ranges. The glass therefore preferably has a composition with the following contents, expressed as a percentage of the total glass weight: Total Fe (expressed as Fe2O3) 0.002~0.06% Cr2O30~0.06%.

[0019] Such glass compositions, incorporating small amounts of iron and chromium, exhibit particularly good performance in terms of near-infrared reflectance, as well as high transparency in the visible light and a slightly noticeable tint similar to glasses known as "ultra-clear." These compositions are described in WO 2014128016 A1, WO 2014180679 A1, WO 2015011040 A1, WO 2015011041 A1, WO 2015011042 A1, WO 2015011043 A1, and WO 2015011044 A1.

[0020] The cover comprises at least a first zone corresponding to the projection of a first field of view onto the cover. The cover also comprises at least a second zone distinct from the first zone corresponding to the projection of a second field of view onto the cover. The first zone is transparent in the operating wavelength range of the first light sensor. Transparent in the operating wavelength range of the first light sensor means at least 85% transmission. The second zone is transparent in the operating wavelength range of the second light sensor. Transparent in the operating wavelength range of the second light sensor means at least 70% transmission. Opaque in the operating wavelength range of the second light sensor means at most 10% transmission.

[0021] According to a particular embodiment, the cover also has a wavelength range of 15 m in the operating wavelength range of the first optical sensor. -1 The cover further includes a second glass plate having a smaller absorption coefficient. The second glass plate has an inner surface facing the at least two different optical sensors and an outer surface opposite the inner surface. The cover further includes an intermediate layer bonding the inner surface of the first glass plate to the outer surface of the second glass plate. The intermediate layer is transparent in the operating wavelength ranges of both the first optical sensor and the second optical sensor.

[0022] According to certain embodiments, an ink that is transparent in the operating wavelength range of the first optical sensor and opaque in the operating wavelength range of the second optical sensor is applied entirely to the inner surface of the first glass sheet, except for the second zone of the cover. If a second glass sheet is present, the ink may be applied entirely to either the inner or outer surface of the second glass sheet, or to an interlayer that bonds the first and second glass sheets, in either case, except for the second zone of the cover. If the ink is applied to the interlayer, it may be applied using a mask over the second zone of the cover, so that the ink is not present in the second zone of the cover. In other cases, the ink may be applied entirely to the interlayer, and the portion of the interlayer corresponding to the second zone may be cut out and replaced with an insert, the insert being transparent in the operating wavelength range of the second optical sensor.

[0023] According to a particular embodiment, a film that is transparent in the operating wavelength range of the first light sensor and opaque in the operating wavelength range of the second light sensor is applied entirely to the inner surface of the first glass sheet, except for the second zone of the cover. If a second glass sheet is present, the film may be applied entirely to the inner or outer surface of the second glass sheet, or to an interlayer bonding the first and second glass sheets together, in either case entirely, except for the second zone of the cover.

[0024] According to a particular embodiment, the cover is adapted to provide a wavelength range of 15 m / s in the operating wavelength range of the first optical sensor. -1 The cover further includes a second glass plate having a smaller absorption coefficient. The second glass plate has an inner surface facing the at least two different optical sensors and an outer surface opposite the inner surface. The cover further includes an interlayer bonding the inner surface of the first glass plate to the outer surface of the second glass plate. The interlayer is transparent in the operating wavelength range of the first optical sensor. The interlayer is replaced with an insert in the second zone, and the insert is transparent in the operating wavelength range of the second optical sensor.

[0025] According to a particular embodiment, the cover is adapted to provide a wavelength range of 15 m / s in the operating wavelength range of the first optical sensor. -1 The cover further includes a second glass sheet having a smaller absorption coefficient. The second glass sheet has an inner surface facing the at least two different light sensors and an outer surface opposite the inner surface. The cover further includes a film that is transparent in the operating wavelength range of the first light sensor and opaque in the operating wavelength range of the second light sensor, and is replaced in the second zone by an insert, the insert being transparent in the operating wavelength range of the second light sensor. The cover further includes a first interlayer bonding the film to the inner surface of the first glass sheet and a second interlayer bonding the film to the outer surface of the second glass sheet, both of which are transparent in the operating wavelength ranges of both the first light sensor and the second light sensor. According to a particular embodiment, the cover is adapted to provide a wavelength range of 15 m / s in the operating wavelength range of the first optical sensor. -1 The cover further includes a second glass plate having a smaller absorption coefficient. The second glass plate has an inner surface facing the at least two different optical sensors and an outer surface opposite the inner surface. The cover further includes a film, the film being transparent in the operating wavelength ranges of the first optical sensor and the second optical sensor. The film is covered with ink except for a second zone of the cover. The ink is transparent in the operating wavelength range of the first optical sensor and opaque in the operating wavelength range of the second optical sensor. The cover further includes a first interlayer bonding the film to the inner surface of the first glass plate and a second interlayer bonding the film to the outer surface of the second glass plate, both of which are transparent in the operating wavelength ranges of both the first optical sensor and the second optical sensor.

[0026] In certain embodiments, the first optical sensor is a lidar or a near-infrared camera.

[0027] In certain embodiments, the second optical sensor is a camera.

[0028] In certain embodiments, the first glass plate, and if present, the second glass plate, also has a wavelength of 10 nm or less in the operating wavelength range of the second optical sensor. -1 Smaller, preferably 5m -1 It has a smaller absorption coefficient.

[0029] In certain embodiments, the inner and / or outer surfaces of the first glass sheet and / or the inner surface of the second glass sheet (if a second glass sheet is present) are coated with an anti-reflection coating. Such an anti-reflection coating can reduce reflection and therefore increase the signal transmitted and received by the near-infrared sensor. As an example, the anti-reflection coating may be a layer based on porous silica with a low refractive index, or may consist of several layers (stacks), in particular layers of dielectric material alternating with layers with low and high refractive indexes and ending with a layer with a low refractive index. Textured glass sheets may also be used. Etching or coating techniques may also be used to avoid reflections. Preferably, the reflection of the treated surface will be reduced by at least 1%, preferably at least 2%, within the relevant wavelength range when both surfaces are coated. The anti-reflection layer may, for example, be a layer based on a gradient refractive index layer deposited by ion implantation techniques.

[0030] In a specific embodiment, the outer surface of the first glass pane is coated with a water-repellent coating. The glass cover may be coated with a hydrophobic layer that prevents water droplets from collecting on the glass cover. Such a coating can ensure proper sensor operation in the event of rain (snow, frost) and / or fog. Such a water-repellent coating can, for example, consist of a thin molecular layer of a fluoropolymer, which, among other effects, reduces surface energy, provides self-cleaning and stain-resistant properties, and improves moisture resistance.

[0031] In particular, other suitable and advantageous functions can be added to the glass pane of the cover of the invention in order to provide support functions that further enhance the good operation of the near-infrared sensor. These support functions can be, for example, in conjunction with an integrated detection function for breakage, dust, dirt, rain, etc., or an additional protective layer to prevent scratches, glare, dirt, dust, paint, etc. Specialized filters can also be integrated for polarization, phase or spectral discrimination.

[0032] In certain embodiments, the cover further comprises a silver print or conductive coating. The cover may be coupled with a heating system that allows the cover to quickly defrost or defog when external operating conditions are unfavorable. Such a heating system may consist of a conductive wire mesh, conductive patch, or alternatively a silver print mesh applied directly on the glass surface to which an appropriate power supply can be applied. Optionally, the system may also comprise a temperature sensor for dynamically activating the heating function when needed.

[0033] In certain embodiments, the cover is part of a vehicle's windshield, rear window, side window, or exterior trim element. Exterior trim elements include bumpers, window / door seals, pillars, wheel wells, wheel arches, fenders, headlights, mirror bodies, and roof covers. Such exterior trim elements can also be deployable, meaning they can pop out from the vehicle only when needed. Vehicle manufacturers use these exterior trim elements to add aesthetics, increase functionality, and add flexibility to vehicle designs.

[0034] Referring to FIG. 1, a cover (1) is shown in front of a first optical sensor (10) having a first field of view (11) and a second optical sensor (20) having a second field of view (21). The cover includes a first glass sheet (100) having an inner surface (102) facing the sensors (10, 20) and an outer surface (101) opposite the inner surface (102). The cover further includes a second glass sheet (200) having an inner surface (204) facing the sensors (10, 20) and an outer surface (203) opposite the inner surface (204). The first glass sheet (100) and the second glass sheet (200) are bonded together by an interlayer (300). The cover (1) in this figure is therefore a laminated cover (1), meaning that the cover (1) is made from at least two glass sheets (100, 200) bonded together by the interlayer (300).

[0035] A first zone can be defined on the cover (1) and corresponds to the projection of the first field of view (11) onto the cover (1), and similarly, a second zone corresponds to the projection of the second field of view (21) onto the cover (1).

[0036] FIG. 1 further illustrates an optional anti-reflective coating positioned on the outer surface (104) of the first glass sheet (100) and / or the inner surface (204) of the second glass sheet (200). FIG. 1 also illustrates an optional water-repellent coating positioned on the outer surface (104) of the first glass sheet (100). FIG. 1 also illustrates an optional heat-resistant coating or silver print positioned on the inner surface (204) of the second glass sheet (200). All of these optional elements may be added to various of the following embodiments, but are not shown to avoid cluttering the drawings. Additionally, while all examples illustrate laminated covers, the present invention may be practiced with monolithic covers made from a single glass sheet or covers comprising more than two glass sheets.

[0037] Figures 2a-d show a. on the inner surface (102) of the first glass sheet (100); b. Above the middle layer (300), c. on the outer surface (203) of the second glass sheet (200); d. On the inner surface (204) of the second glass sheet (200) 4A-4C represent various alternative forms of ink (400) deposited on either The ink 400 is transparent in the operating wavelength range of the first optical sensor 10 and opaque in the operating wavelength range of the second optical sensor 20. The ink 400 can be deposited by screen printing or any other technique known to those skilled in the art. To prevent the ink 400 from being deposited in the second zone of the cover 1, a mask is typically applied during application of the ink 400, such that the zones covered by the mask are free of the ink 400.

[0038] Figure 3 shows an alternative form of the product shown in Figure 2b. Instead of using masking techniques as described above, the intermediate layer (300) can be completely printed with ink (400). Before laminating the two glass plates (100, 200) with the intermediate layer (300), a portion of the intermediate layer (300) is cut out and replaced with an insert (310) corresponding to the second zone of the cover (1). The insert is transparent in the operating wavelength range of the second optical sensor (20), which allows for better optical quality in the second field of view.

[0039] Figure 4 shows an embodiment in which the film (500) is positioned between the first glass sheet (100) and the interlayer (300). Such a product also allows for better optical quality in the second field of view.

[0040] 5 shows an embodiment in which an interlayer (600) that is transparent in the operating wavelength range of the first optical sensor (10) and opaque in the operating wavelength range of the second optical sensor (20) is disposed between the first glass plate (100) and the second glass plate (200). Before bonding the two glass plates (100, 200) together with the interlayer (600), a portion of the interlayer (600) is cut out and replaced with an insert (650) that corresponds to the second zone of the cover (1). The insert is transparent in the operating wavelength range of the second optical sensor (20). Such a cover (1) allows for better optical quality in the second field of view.

[0041] 6 shows an embodiment in which a film (700) that is transparent in the operating wavelength range of the first light sensor (10) and opaque in the operating wavelength range of the second light sensor (20) is disposed between a first interlayer (301) and a second interlayer (302), which are themselves disposed between a first glass sheet (100) and a second glass sheet (200). A portion of the film (700) is cut out and replaced with an insert (750) that corresponds to the second zone of the cover (1). The insert is transparent in the operating wavelength range of the second light sensor (20).

[0042] 7 shows an embodiment in which a film (800) that is transparent in the operating wavelength range of the first optical sensor (10) and the second optical sensor (20) is disposed between the first interlayer (301) and the second interlayer (302), which are themselves disposed between the first glass plate (100) and the second glass plate (200). The film (800) is printed with ink (900) except on the second zone of the cover (1). The ink (900) is transparent in the operating wavelength range of the first optical sensor (10) and opaque in the operating wavelength range of the second optical sensor (20).

[0043] While the present invention has been illustrated and described in detail in the accompanying drawings and the foregoing specification, such illustrations and descriptions are by way of example only and are therefore to be considered as illustrative and exemplary and not restrictive. The foregoing description details several embodiments of the present invention. However, no matter how detailed the foregoing specification appears in text, it will be understood that the invention can be practiced in many ways. The present invention is not limited to the disclosed embodiments.

Claims

1. A cover (1) for a vehicle sensor module, comprising: the vehicle sensor module comprises at least two different optical sensors (10, 20); A first optical sensor (10) having a first field of view (11) operates in the near-infrared wavelength range, and a second optical sensor (20) having a second field of view (21) operates in the visible wavelength range, and the cover (1) is 15 mW in the operating wavelength range of the first optical sensor (10). －１ A cover (1) comprising at least a first glass sheet (100) having a smaller absorption coefficient, said at least first glass sheet (100) having an inner surface (102) facing at least two different light sensors (10, 20) and an outer surface (101) opposite said inner surface (102), The cover (1) i. a first zone adapted to correspond to the projection of at least said first field of view (11) on said cover (1); and ii. a second zone distinct from the first zone, adapted to correspond to at least the projection of the second field of view (21) on the cover (1); To have the first zone being transparent in the operating wavelength range of the first optical sensor (10); and The second zone is transparent in the operating wavelength range of the second optical sensor (20). A cover (1) characterized by:

2. i. 15 m in the operating wavelength range of the first optical sensor (10) －１ a second glass sheet (200) having a smaller absorption coefficient, the second glass sheet (200) having an inner surface (204) facing the at least two different light sensors (10, 20) and an outer surface (203) opposite the inner surface (204); ii. An interlayer (300) bonding the inner surface (102) of the first glass plate (100) to the outer surface (203) of the second glass plate (200), the interlayer (300) being transparent in the operating wavelength ranges of both the first optical sensor (10) and the second optical sensor (20). The cover (1) according to claim 1, further comprising:

3. an ink (400) that is transparent in the operating wavelength range of the first optical sensor (10) and opaque in the operating wavelength range of the second optical sensor (20) is applied entirely on the inner surface (102) of the first glass plate (100), or on the inner surface (203) or the outer surface (204) of the second glass plate (200), or on the intermediate layer (300), except on the second zone of the cover (1); A cover (1) according to claim 1 or 2.

4. 4. The cover (1) according to claim 3, wherein the intermediate layer (300) is replaced in the second zone by an insert (310), the insert (310) being transparent in the operating wavelength range of the second optical sensor (20).

5. a film (500) that is transparent in the operating wavelength range of the first light sensor (10) and opaque in the operating wavelength range of the second light sensor (20) is applied entirely on the inner surface (102) of the first glass sheet (100), or on the inner surface (203) or the outer surface (204) of the second glass sheet (200), or on the intermediate layer (300), except for on the second zone of the cover (1); A cover (1) according to claim 1 or 2.

6. i. 15 m in the operating wavelength range of the first optical sensor (10) －１ a second glass sheet (200) having a smaller absorption coefficient, the second glass sheet (200) having an inner surface (203) facing the at least two different light sensors (10, 20) and an outer surface (204) opposite the inner surface (203); ii. An interlayer (600) bonding the inner surface (102) of the first glass sheet (100) to the outer surface (203) of the second glass sheet (200), the interlayer (600) being transparent in the operating wavelength range of the first optical sensor (10) and being replaced in the second zone by an insert (650), the insert (650) being transparent in the operating wavelength range of the second optical sensor (20). The cover (1) according to claim 1, further comprising:

7. i. 15 m in the operating wavelength range of the first optical sensor (10) －１ a second glass sheet (200) having a smaller absorption coefficient, the second glass sheet (200) having an inner surface (203) facing the at least two different light sensors (10, 20) and an outer surface (204) opposite the inner surface (203); ii. a film (700) that is transparent in the operating wavelength range of the first optical sensor (10) and opaque in the operating wavelength range of the second optical sensor (20), the film (700) being replaced in the second zone with an insert (750), the insert (750) being transparent in the operating wavelength range of the second optical sensor (20); iii. a first intermediate layer (301) that bonds the inner surface (102) of the first glass plate (100) and the film (700), the first intermediate layer (301) being transparent in the operating wavelength ranges of both the first optical sensor (10) and the second optical sensor (20); and iv. a second interlayer (302) bonding the outer surface (203) of the second glass sheet (200) to the film (700), the second interlayer (302) being transparent in the operating wavelength ranges of both the first optical sensor (10) and the second optical sensor (20); The cover (1) according to claim 1, further comprising:

8. i. 15 m in the operating wavelength range of the first optical sensor (10) －１ a second glass sheet (200) having a smaller absorption coefficient, the second glass sheet (200) having an inner surface (203) facing the at least two different light sensors (10, 20) and an outer surface (204) opposite the inner surface (203); ii. a film (800) that is transparent in the operating wavelength ranges of the first optical sensor (10) and the second optical sensor (20), the film (800) being covered with ink (900) except for the second zone of the cover (1), the ink (900) being transparent in the operating wavelength range of the first optical sensor (10) and opaque in the operating wavelength range of the second optical sensor (20); iii. a first intermediate layer (301) that bonds the inner surface (102) of the first glass plate (100) and the film (800), the first intermediate layer (301) being transparent in the operating wavelength ranges of both the first optical sensor (10) and the second optical sensor (20); and iv. a second interlayer (302) bonding the outer surface (203) of the second glass sheet (200) to the film (800), the second interlayer (302) being transparent in the operating wavelength ranges of both the first optical sensor (10) and the second optical sensor (20); The cover (1) according to claim 1, further comprising:

9. The cover (1) according to any one of claims 1 to 8, wherein the first optical sensor (10) is a lidar or a near-infrared camera.

10. The cover (1) according to any one of the preceding claims, wherein the second optical sensor (20) is a camera.

11. The first glass plate (100) and the second glass plate (200) have a wavelength of 10 m or less in the operating wavelength range of the second optical sensor (20). －１ Smaller, more preferably 5m －１ A cover (1) according to any one of claims 1 to 10, having a smaller absorption coefficient.

12. The cover (1) according to any one of the preceding claims, wherein the outer surface (101) of the first glass pane (100) and / or the inner surface (204) of the second glass pane (200) are coated with an anti-reflective coating (5).

13. The cover (1) according to any one of the preceding claims, wherein the outer surface (101) of the first glass pane (100) is coated with a water-repellent coating (6).

14. The cover (1) according to any one of claims 1 to 13, wherein the cover (1) further comprises a silver print (7) or a conductive coating (7).

15. The cover (1) according to any one of the preceding claims, wherein the cover (1) is part of a windshield, a rear window, a side window or an exterior trim element of a vehicle.

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