Vehicle glass and its manufacturing method

Abstract

The present invention raises operability in attaching a raising / lowering mechanism by using a functional film formed on vehicle glass.　Disclosed is vehicle glass 1 supported by a vehicle so as to be capable of being raised and lowered, wherein: the vehicle glass 1 comprises a glass plate 110 in which holes 10, 11 to which a raising / lowering mechanism can be attached are provided in a lower section, and a functional film 120 formed on the vehicle-interior-side surface 110A of the glass plate 110; and the functional film 120 is also formed on peripheral wall portions 30 of the holes 10, 11.

Description

[Technical Field]

[0001] The present disclosure relates to vehicle glazing and methods for manufacturing the same. [Background technology]

[0002] There is known a technology for forming a functional film (a coating for blocking ultraviolet rays, blocking infrared rays, providing water repellency, providing anti-fogging properties, etc.) on a vehicle glass that is supported on a vehicle so that it can be raised and lowered (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-084276 Summary of the Invention [Problem to be solved by the invention]

[0004] In some cases, vehicle glass that is supported on a vehicle so as to be able to be raised and lowered has a hole in the lower part to which a lifting mechanism is attached. In such cases, it would be useful if a functional film formed on the vehicle glass could be used to improve the workability when attaching the lifting mechanism.

[0005] Therefore, an object of the present disclosure is to improve the workability when installing a lifting mechanism by utilizing a functional film formed on a vehicle glass. [Means for solving the problem]

[0006] In one aspect of the present disclosure, there is provided a vehicle glass that is supported on a vehicle so as to be able to be raised and lowered, a glass plate having a hole at the bottom to which a lifting mechanism is attached; a functional film formed on the interior-side surface of the glass plate, The vehicle glass is disclosed, in which the functional film is also formed on the peripheral wall portion of the hole. [Effects of the Invention]

[0007] According to the present disclosure, it is possible to improve the workability when attaching a lifting mechanism by utilizing a functional film formed on a vehicle glass. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram showing a vehicle glass according to one embodiment of the present disclosure, the vehicle glass having an example of a lifting mechanism attached thereto, viewed from the vehicle interior side. [Figure 2] FIG. 2 is a schematic view showing the vehicle glass in a single state. [Figure 3] 3 is a schematic partial cross-sectional view of the vehicle glass taken along line AA in FIG. 2. [Figure 4] 3 is a schematic cross-sectional view through a hole in the vehicle glazing; [Figure 5A] 1 is a schematic flowchart showing the flow of a method for manufacturing a vehicle glass according to one embodiment of the present disclosure. [Figure 5B] 10A to 10C are schematic cross-sectional views illustrating an example of a drilling method. [Figure 6A] FIG. 2 is a plan view illustrating measurement points of the film thickness. [Figure 6B] FIG. 2 is a cross-sectional view illustrating measurement points of the film thickness. [Figure 7A] 10 is a table showing measurement data relating to a front hole in a vehicle glass for a left door. [Figure 7B] 10 is a table showing measurement data relating to a rear hole in a vehicle glass for a left door. [Figure 7C] 10 is a table showing measurement data relating to a front hole in a vehicle glass for a right door. [Figure 7D] 10 is a table showing measurement data relating to a rear hole in a vehicle glass for a right door. DETAILED DESCRIPTION OF THE INVENTION

[0009] Each embodiment will be described in detail below with reference to the accompanying drawings. Note that the dimensional ratios in the drawings are merely examples and are not intended to limit the scope of the invention. In addition, shapes and the like in the drawings may be partially exaggerated for the sake of explanation.

[0010] Fig. 1 is a schematic diagram showing a vehicle glass 1 to which an example of a lifting mechanism 2 according to an embodiment of the present disclosure is attached, as viewed from the vehicle interior side, and Fig. 2 is a schematic diagram showing the vehicle glass 1 in a single state, i.e., only the vehicle glass 1. Fig. 3 is a schematic partial cross-sectional view of the vehicle glass 1 taken along line AA in Fig. 2.

[0011] The vehicle glass 1 is supported on a vehicle door (not shown) so as to be able to be raised and lowered via a lifting mechanism 2. For example, the vehicle glass 1 may be electrically or manually raised and lowered. The details of the lifting mechanism 2 are arbitrary and are not limited to the X-arm type shown in FIG. 1 , but may also be a wire type that is raised and lowered using a vertical guide rail. The lifting mechanism 2 is disposed in the space between the inner panel and outer panel of the vehicle door (not shown).

[0012] As shown in Fig. 2, the vehicle glass 1 has holes 10 and 11 at its bottom to which the lifting mechanism 2 is attached. In this embodiment, the lifting mechanism 2 is attached to the vehicle glass 1 via fastening bolts 20 and 21 inserted into the holes 10 and 11 to nuts 22 (see Fig. 4). In this embodiment, as an example, the lifting mechanism 2 is fastened to the vehicle glass 1 at two locations, but the number of locations at which it is fastened is arbitrary, and it may be one location or three or more locations.

[0013] As shown in FIG. 3, the vehicle glass 1 includes a glass plate 110 and a functional film 120 formed on a surface 110A of the glass plate 110 facing the vehicle interior.

[0014] The glass plate 110 is a highly transparent plate material and has a shape that covers the upper opening of a vehicle door (not shown). The material of the glass plate 110 is arbitrary, and may be inorganic glass such as soda lime glass, borosilicate glass, aluminosilicate glass, lithium silicate glass, alkali-free glass, or quartz glass, or organic glass such as polycarbonate or acrylic. The glass plate 110 may have a curved surface with a curvature radius that matches the design shape of the vehicle, for example.

[0015] The functional film 120 is a coating having a predetermined function, and is formed on the surface of the glass plate 110. The predetermined function is arbitrary, and may be, for example, one or more of ultraviolet ray blocking, infrared ray blocking, water repellency, anti-fogging properties, etc. The functional film 120 is a single layer, but may also be formed in multiple layers with each layer having a different function.

[0016] The area where the functional film 120 is formed on the interior-side surface 110A of the glass plate 110 is arbitrary, and may be, for example, the entire interior-side surface of the glass plate 110, or the entire interior-side surface excluding the upper edge. However, in this embodiment, the functional film 120 is also formed on the peripheral wall portions 30 of the holes 10, 11 (see Figure 4 and subsequent figures).

[0017] Fig. 4 is a schematic cross-sectional view of the vehicle glass 1 taken through the hole 10. The following mainly describes the configuration of the hole 10, but the same may be true for the hole 11. The cross-sectional configuration of Fig. 4 is basically the same for the peripheral wall portion 30 of the hole 10, but as will be described later, the film thickness of the functional film 120 may not be uniform.

[0018] 4, the peripheral wall portion 30 of the hole 10 has a wall surface 31 that is approximately perpendicular to the glass plate 110, and an inclined surface 32 between the wall surface 31 and a vehicle interior side surface 110A around the hole 10. The peripheral wall portion 30 also has an inclined surface 33 between the vehicle exterior side surface 110B around the hole 10 and the wall surface 31. Note that the term "approximately perpendicular" is a concept that allows for a certain degree of misalignment, such as when the glass plate 110 has a curved surface with a slight radius of curvature.

[0019] 4, in this embodiment, the functional film 120 is also formed on the peripheral wall portion 30 of the hole 10. Specifically, the functional film 120 is formed on the wall surface 31 and the inclined surfaces 32 and 33.

[0020] As shown schematically in Figure 4 and described above, when attaching the lifting mechanism 2 to the vehicle glass 1, a bolt 20 is inserted into the hole 10 from the passenger compartment side, and the inserted bolt 20 is fastened to a nut 22 on the outside of the vehicle.

[0021] The hole 10 is formed with an inner diameter that is significantly larger than the diameter of the shank 200 of the bolt 20, for the purpose of fitting and adjusting the vehicle glass 1. Therefore, the shank 200 of the bolt 20 may come into contact with the peripheral wall 30 of the hole 10 during assembly or fitting adjustment.

[0022] In this regard, according to the present embodiment, as described above, the functional film 120 is also formed on the peripheral wall portion 30, and the functional film 120 therefore functions to protect the peripheral wall portion 30, thereby protecting the peripheral wall portion 30 of the glass plate 110. In other words, the portion of the functional film 120 formed on the wall surface 31 can reduce the possibility of scratches on the glass plate 110 due to interference that may occur between the shank 200 of the bolt 20 and the peripheral wall portion 30 during assembly, etc. Hereinafter, the function of the portion of the functional film 120 formed on the wall surface 31 to protect the peripheral wall portion 30 from the shank 200 of the bolt 20 will also be referred to as the "wall surface protection function." Furthermore, when the lifting mechanism 2 is assembled to the vehicle glass 1, the bolt 20 and the nut 22 are assembled along the central axis of the hole 10, as shown schematically by arrows R401 and R402 in Fig. 4. At this time, due to an assembly error or the like, the corner of the bearing surface portion 221 of the nut 22 may come into contact with the inclined surface 33 of the peripheral wall portion 30 (see arrow R402). In this case, the bearing surface portion 221 of the nut 22 comes into contact with the inclined surface 33 and is guided to the correct position. In other words, the inclined surface 33 of the peripheral wall portion 30 has a guide function that guides the nut 22 to the correct position.

[0023] In this regard, according to the present embodiment, as described above, the functional film 120 is also formed on the peripheral wall portion 30, which effectively enhances the guide function of the inclined surface 33 of the peripheral wall portion 30. That is, the functional film 120 has a friction coefficient significantly lower than that of the glass plate 110, and therefore the guide function can be effectively promoted.

[0024] The above-described guide function also applies to the bolt 20. That is, even if the bolt 20 is misaligned from the correct position or orientation during assembly, the shank 200 of the bolt 20 comes into contact with the inclined surface 32, thereby guiding (correcting) the bolt 20 to the correct position or orientation. That is, the inclined surface 32 of the peripheral wall 30 has a guide function that guides the bolt 20 so that it can be assembled in the correct position and orientation. According to the present embodiment, the functional film 120 is also formed on the peripheral wall 30 as described above, which effectively enhances the guide function of the inclined surface 32 of the peripheral wall 30. Furthermore, even if the bolt 20 accidentally hits the interior-side surface 110A of the glass plate 110 during assembly, the functional film 120 on the interior-side surface 110A can reduce the possibility of scratches on the glass plate 110.

[0025] Furthermore, the portion of the functional film 120 formed on the inclined surface 33 functions to protect the peripheral wall portion 30 when the corner of the seating surface 221 of the nut 22 hits the inclined surface 33 of the peripheral wall portion 30, thereby protecting the peripheral wall portion 30 of the glass plate 110. In other words, the portion of the functional film 120 formed on the inclined surface 33 can reduce the possibility of scratches on the glass plate 110 due to interference that may occur between the seating surface 221 of the nut 22 and the peripheral wall portion 30 during assembly, etc. Hereinafter, the function of the portion of the functional film 120 formed on the inclined surface 33 to protect the peripheral wall portion 30 from the seating surface 221 of the nut 22 will also be referred to as the "inclined surface protection function."

[0026] Next, a method for manufacturing the above-described vehicle glass 1 will be described with reference to FIGS. 5A and 5B.

[0027] Fig. 5A is a schematic flowchart showing the flow of a manufacturing method for vehicle glass 1. Fig. 5B is a schematic cross-sectional view illustrating an example of a hole drilling method. Note that Fig. 5B describes the configuration related to hole 10, but the same may be true for hole 11.

[0028] 5A, the method for manufacturing the vehicle glass 1 first includes a step (step S500) of preparing the glass plate 110. Note that the method for manufacturing the glass plate 110 is arbitrary, and a widely known method may be used.

[0029] Next, the manufacturing method for the vehicle glass 1 includes a step (step S502) of forming holes 10, 11 in the glass sheet 110. The holes 10, 11 may be formed using a drill or the like. When forming the holes using a drill, in order to reduce necking at the penetration portion due to wear of the drill or the like (see necking 500 in FIG. 5B), it is desirable to remove the necking by lengthening the penetration drill and overlapping the grinding portion (partially grinding twice) (see the right diagram indicated by arrow R500 in FIG. 5B). In this case, the wall surface 31 can be formed in a smooth manner with reduced necking. Next, the manufacturing method for the vehicle glass 1 includes a step (step S504) of applying a liquid composition, which is a material for the functional film 120, to the interior-side surface 110A of the glass plate 110. The liquid composition can be applied to the glass plate 110 by a common application method such as spin coating, dip coating, spray coating, flow coating, or die coating. Flow coating is particularly suitable for use with a glass plate 110 having a curved surface.

[0030] In this embodiment, as described above, holes 10 and 11 are formed in the glass plate 110, so that when a liquid composition is applied to the interior side surface 110A of the glass plate 110, the liquid composition enters the holes 10 and 11 and is also applied to the peripheral wall portion 30.

[0031] Next, the manufacturing method for the vehicle glass 1 may include a removing step (step S506) of removing a portion of the liquid composition applied to the glass sheet 110. Such a removing step may preferably be realized by the method disclosed in International Patent Publication No. 2017 / 086438, the disclosure of which is incorporated herein by reference. That is, although not described in detail here, the removing step is performed after the liquid composition coating liquid is applied to the interior-side surface 110A of the glass sheet 110 in the coating step. The removing step involves holding the glass sheet 110 with the coating liquid applied in an arbitrary orientation, such as facing upward, downward, or forward, and removing a portion of the coating liquid from a coating region located on the lower side of the glass sheet 110 and having a certain width from the lower side to the upper side using a blade or the like. In this case, the blade or the like may be adapted to facilitate entry of the coating liquid (liquid composition) into the holes 10, 11. The removal direction (wiping direction) by the blade may be any one of a direction from the upper side toward the lower side of the glass plate 110, a direction from the front side toward the rear side of the glass plate 110, and a direction from the rear side toward the front side of the glass plate 110. Furthermore, instead of or in addition to removal by the blade, part of the coating liquid may be removed by suction or the like.

[0032] Next, the method for manufacturing the vehicle glass 1 includes a step (step S508) of drying the glass plate 110 to which the liquid composition has been applied.

[0033] In this way, according to the manufacturing method described with reference to Figures 5A and 5B, a vehicle glass 1 can be obtained in which a functional film 120 is applied not only to the interior side surface 110A of the glass plate 110, but also to the peripheral wall portion 30 of the hole 10 (similarly to hole 11).

[0034] Next, a preferred film thickness profile of the functional film 120 around the hole 10 and on the peripheral wall portion 30 will be described with reference to FIG. 6A and subsequent figures.

[0035] 6A and 6B are explanatory diagrams of film thickness measurement points, and FIGS. 7A to 7D are tables showing measurement data for each vehicle glass 1. Note that FIG. 6A corresponds to the Q1 portion surrounded by a dotted line in FIG. 2, and FIG. 6B corresponds to the Q2 portion surrounded by a dotted line in FIG. 5B. Note that FIG. 6B shows the peripheral wall portion 30 to which the functional film 120 is not applied for the purpose of explaining the measurement points, but in reality, the functional film 120 is applied to the peripheral wall portion 30 as shown in FIG. 4.

[0036] Here, as shown in Fig. 6A, the film thickness is measured at four angular positions A1 to A4 around the hole 10, and at eight points in total, including points a, b, and points c-1 to c-6 as shown in Fig. 6B. The angular positions A1 to A4 are set at intervals of 90 degrees.

[0037] Point a is a position on the interior surface 110A around the hole 10, and is located approximately a predetermined distance L1 (10 mm in this example) from the first boundary point P1 between the interior surface 110A around the hole 10 and the inclined surface 32.

[0038] Point b is a position on the interior surface 110A around the hole 10, at the edge of the hole 10 (i.e., a position near the first boundary point P1). For example, point b may be located within 2 mm from the first boundary point P1. In this example, point b is located 2 mm from the first boundary point P1.

[0039] Points c-1 to c-3 are positions on the inclined surface 32 of the peripheral wall portion 30. Point c-2 is located approximately in the center of the inclined surface 32, point c-1 is located close to the first boundary point P1, and point c-3 is located close to the second boundary point P2 between the wall surface 31 and the inclined surface 32. In this example, points c-1 and c-3 are located 1 to 50 μm from the first boundary point P1 and 1 to 50 μm from the second boundary point P2, respectively.

[0040] Point c-4 is a position on the wall surface 31 of the peripheral wall portion 30. Because the functional film 120 on the wall surface 31 had variations in thickness, measurements were taken at two locations: a relatively thin location and a relatively thick location. In this example, point c-4 is approximately the center of the wall surface 31.

[0041] Point c-5 is a position near the boundary point between the inclined surface 33 of the peripheral wall portion 30 and the exterior-side surface 110B, and is a position at the edge of the hole 10. For example, point c-5 may be a position within 2 mm from the boundary point between the inclined surface 33 and the exterior-side surface 110B. Point c-6 is a position on the exterior-side surface around the hole 10. In this example, points c-5 and c-6 are positions 10 to 200 μm and 0.5 to 3 mm, respectively, from the boundary point between the exterior-side surface 110B around the hole 10 and the inclined surface 33.

[0042] FIG. 7A shows the measurement results for the front hole 10 of the vehicle glass 1 for the left door (labeled "L-front" in the title column), and FIG. 7B shows the measurement results for the rear hole 11 of the vehicle glass 1 for the left door (labeled "L-rear" in the title column). FIG. 7C shows the measurement results for the front hole 10 of the vehicle glass 1 for the right door (labeled "R-front" in the title column), and FIG. 7D shows the measurement results for the rear hole 11 of the vehicle glass 1 for the right door (labeled "R-rear" in the title column). The unit of the values in each column shown in FIGS. 7A to 7D is μm. In addition, in FIGS. 7A to 7D, "difficult to confirm" indicates that measurement could not be performed using the following measurement method due to breakage or the like.

[0043] The film thickness may be measured by any of the following methods, or a different method may be adopted for each measurement point.

[0044] (1) In the first measurement method, a portion of the functional film 120 is scraped off with a single-edged blade to expose the surface of the glass plate 110. Next, the thickness of the functional film 120 is calculated as the film thickness by observing the height difference between the surface of the glass plate 110 and the surface of the functional film 120 from a cross-sectional profile measured with a white light interferometer.

[0045] (2) As a second measuring method, measurement is performed using an SEM (Scanning Electron Microscope) observation image of a cross section of the vehicle glass 1 cut together with the glass plate 110 in the film thickness direction.

[0046] The film thickness on the wall surface 31 is measured as the thickness in the direction perpendicular to the wall surface 31, and the film thickness on the inclined surface 32 (similar to the inclined surface 33) is measured as the thickness in the direction perpendicular to the inclined surface 32.

[0047] In this embodiment, as shown in Figures 7A to 7D, a tendency to have the following characteristics was confirmed. Note that here, "tendency" does not mean that such characteristics are always confirmed, but rather means that, for example, 70% or more of 10 samples have similar characteristics.

[0048] (1) The functional film 120 is formed on the wall surface 31, and has a thickness of about 0.5 μm even in a relatively thin portion, and a thickness of more than 1 μm in a relatively thick portion. Therefore, it can be expected that the wall surface protection function described above will be realized.

[0049] (2) The functional film 120 is also formed on the inclined surface 32, and this was confirmed at all points c-1 to c-3. Furthermore, on the inclined surface 32, the functional film 120 has a thickness of about 0.3 μm even in the relatively thinnest parts. Therefore, it can be expected that the above-mentioned guide function and inclined surface protection function will be realized.

[0050] (3) The functional film 120 has a portion on the inclined surface 32 of the peripheral wall portion 30 that is thicker than the minimum film thickness on the wall surface 31. For example, while the minimum film thickness on the wall surface 31 is about 0.5 μm, a portion on the inclined surface 32 was confirmed to have a significantly larger film thickness, such as point c-2, of 9.3 μm (see FIG. 7A). This is expected to effectively achieve the above-mentioned guide function and inclined surface protection function.

[0051] Furthermore, at a relatively large number of angular positions (e.g., more than half) among the angular positions A1 to A4, the functional film 120 has portions on the inclined surface 32 of the peripheral wall portion 30 where the film thickness is greater than the maximum film thickness on the wall surface 31. For example, unlike the angular position A3, the maximum film thickness on the wall surface 31 is not significantly greater at each of the angular positions A1, A2, and A4. Therefore, while the maximum film thickness on the wall surface 31 is approximately 2.8 μm (see FIG. 7D) at each of the angular positions A1, A2, and A4, portions on the inclined surface 32 have a significantly larger film thickness, such as 8.3 μm (see FIG. 7D), as at point c-2. This is expected to effectively achieve the above-mentioned guide function and inclined surface protection function.

[0052] Furthermore, at a specific angular position A3 among the angular positions A1 to A4, the maximum film thickness of the functional film 120 on the wall surface 31 is greater than the film thickness on the inclined surface 32 of the peripheral wall portion 30. For example, as shown in FIG. 7A , the film thickness is at most 2.7 μm at angular positions A1, A2, and A4, whereas at angular position A3, the film thickness is 10.0 μm even at a relatively thin portion and 14.7 μm at a relatively thick portion. This is significantly greater than the film thickness on the inclined surface 32 of the peripheral wall portion 30 (for example, in FIG. 7A , the film thickness is at most 3.4 μm at angular position A3). This facilitates smooth installation (guiding) of the shank 20 of the bolt 20 on the upper side of the wall surface 31 of the hole 10 (the side of angular position A1 opposite to angular position A3) during assembly. In general, taking into account the effects of gravity, etc., the correct installation state of the vehicle glass 1 often corresponds to a state in which the shaft portion 200 of the bolt 20 is in contact with the upper side (angle position A1 side) of the wall surface 31 of the hole 10.

[0053] (4) The thickness of the functional film 120 increases and then decreases from the first boundary point P1 toward the second boundary point P2. That is, the functional film 120 tends to be largest at point c-2 among points c-1 to c-3. This is expected to effectively achieve the inclined surface protection function described above. For example, at point c-2, even a relatively thin film has a thickness of about 0.8 μm, and a relatively large number of measurement samples have a thickness exceeding 3 μm.

[0054] (5) At point c-2 between the first boundary point P1 and the second boundary point P2, the functional film 120 has a larger film thickness than at point b (a position near the first boundary point P1 on the interior-side surface 110A around the holes 10 and 11). For example, in FIG. 7A, the film thickness at point c-2 is larger than the film thickness at point b at each of the angular positions A1 to A4. Note that in FIG. 7C, the film thickness at point c-2 is smaller than the film thickness at point b only at the angular position A4, but it was confirmed that the film thickness at point c-2 generally tends to be larger than the film thickness at point b. This is expected to effectively achieve the inclined surface protection function described above.

[0055] (6) The functional film 120 is formed at point b (a position near the first boundary point P1 on the interior-facing surface 110A around the holes 10 and 11), and even if it is relatively thin, it has a thickness of about 1.0 μm. This ensures smooth sliding between the underside 201 (see FIG. 4) of the head of the bolt 20 and the interior-facing surface 110A of the glass plate 110 when loosening the fastening between the bolt 20 (as well as the bolt 21) and the nut 22 to adjust the fit, facilitating adjustment without damaging the glass plate 110.

[0056] Furthermore, it is preferable that the peripheral wall 30 of the holes 10, 11 has an area in the thickness direction of the glass plate 110 where the functional film 120 is not formed, in other words, the functional film 120 is formed only partially rather than entirely on the peripheral wall 30. By providing an area where the functional film 120 is formed and an area where it is not formed in the thickness direction of the glass plate 110, the guide function of the inclined surface 32 and the wall surface 31 can be improved. Furthermore, reducing the area where the functional film 120 is formed allows for more inexpensive manufacturing.

[0057] Although each embodiment has been described in detail above, it is not limited to a specific embodiment, and various modifications and changes are possible within the scope of the claims. It is also possible to combine all or a plurality of components of the above-described embodiments. The entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2020-169912, filed on October 7, 2020, are hereby incorporated by reference as the disclosure of the specification of the present invention. [Explanation of symbols]

[0058] 1. Vehicle glass 2 Lifting mechanism 10, 11 holes 20, 21 volts 200 Shaft 201 Bottom surface 22 Nut 221 Seat part 30 Peripheral wall section 31 Wall 32 Slope 33 Slope 110 Glass Plate 110A Interior side surface 110B Vehicle exterior surface 120 Functional membrane P1 1st boundary point P2 2nd boundary point

Claims

1. A vehicle glass that is supported on a vehicle so as to be able to be raised and lowered, a glass plate having a hole at the bottom to which a lifting mechanism is attached; a functional film formed on the interior-side surface of the glass plate, The functional film is also formed on the peripheral wall portion of the hole.

2. the peripheral wall portion of the hole has a wall surface that is substantially perpendicular to the glass plate and an inclined surface between the vehicle interior side surface around the hole and the wall surface, The vehicle glass according to claim 1 , wherein the functional film has a portion on the inclined surface where the film thickness is greater than the minimum film thickness on the wall surface.

3. 3. The vehicle glass according to claim 2, wherein a thickness of the functional film increases and then decreases from a first boundary point between the vehicle interior-side surface around the hole and the inclined surface to a second boundary point between the wall surface and the inclined surface.

4. 4. The vehicle glass according to claim 3, wherein the functional film has a thickness greater at a position between the first boundary point and the second boundary point than at a position near the first boundary point on the vehicle interior side surface around the hole.

5. The vehicle glass according to claim 2 , wherein the functional film has a portion on the inclined surface where the film thickness is greater than the maximum film thickness on the wall surface.

6. The vehicle glass according to claim 1 , wherein the functional film is partially formed on a peripheral wall portion of the hole.

7. A method for manufacturing a vehicle glass that is supported on a vehicle so as to be able to be raised and lowered, providing a glass plate; forming a hole in the lower part of the glass plate to which a lifting mechanism is attached; and forming a functional film on the interior-facing surface of the glass plate in which the hole is formed and on a peripheral wall portion of the hole.

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