Illuminated mounting glass

By setting absorption units, especially the covering layer, in the edge area of ​​the glass plate, the problem of light scattering at the edge of the glass plate is solved, resulting in a more uniform lighting effect and improving the visual experience of the observer.

CN117279779BActive Publication Date: 2026-05-26SAINT-GOBAIN SAFETY GLASS CO FRANCE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SAINT-GOBAIN SAFETY GLASS CO FRANCE
Filing Date
2023-01-25
Publication Date
2026-05-26

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Abstract

The present invention relates to a glass assembly device (10) comprising at least: a light source (2) for generating light (3) that can be coupled into a first glass plate; an edge region (7); and an absorption unit (8) for absorbing the light (3) coupled into the first glass plate (1), which is arranged in the edge region (7), wherein the absorption unit (8) is designed as a first cover layer (9) arranged on a first surface (IV) and / or a second surface (III) of the first glass plate (1), the first glass plate (1) having at least one notch (13) for receiving the light source (2), and wherein the first cover layer (9) extends from the edge (12) of the glass plate to the notch (13).
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Description

[0001] The present invention relates to an assembly glass device having a light source and an optical coupling output unit, a method for manufacturing the same, and its use.

[0002] Motor vehicles have light distribution within their interior spaces, providing soft or bright illumination as needed. Illumination not only provides positioning within the vehicle but also creates a comfortable atmosphere for occupants. Composite glass panels, made of two or more glass or polymer glass sheets, are used in vehicles as windshields, rear windows, side windows, and roof windows. In the case of illuminated or illuminated composite glass, light from a light source is coupled into a flat light conductor in the form of the glass sheet by utilizing total internal reflection.

[0003] WO 2010 / 049638 A1, WO 2013 / 053629 A1, WO 2014060409 A1, or WO 2015 / 095288A2 disclose the input of light into a glass plate via a side surface coupling. If the light source is placed very close to the edge of the glass, light can be coupled into the light conductor very efficiently and over the entire width of the light conductor. This allows for very uniform planar illumination. WO2013 / 110885 A1, WO2018178591 A1, or WO2019 / 105855 A1 disclose the arrangement of a light source within a notch, thereby coupling light into the glass plate.

[0004] Due to multiple reflections on the parallel surface of the glass plate, the light is reflected to the edge region of the glass plate, where it can leave the glass plate again. This produces an illuminated edge region. This undesirable light effect in the edge region of the glass plate is easily perceived by the observer.

[0005] The object of the present invention is to provide an improved glass assembly apparatus in which light coupled into a glass plate is not perceived as scattered light in the edge regions of the glass plate.

[0006] This objective is achieved by the glass assembly apparatus according to the invention. Preferred embodiments will be derived from further description.

[0007] The glass assembly apparatus according to the invention includes at least a first glass plate, a light source for generating light that can be coupled into the first glass plate, and a light coupling output unit for coupling light out of the first glass plate, wherein the glass plate is configured to further conduct at least partially the coupled-input light. The first glass plate has at least a first surface and a second surface. The light coupling output unit is configured to couple light out via one of the two surfaces. The first glass plate is bonded to a second glass plate via an interlayer to form a composite glass plate.

[0008] The glass assembly also includes an edge region extending at least 1 mm to a maximum of 500 mm from the edge of the first glass plate on one of the surfaces (III, IV) of the first glass plate, and an absorption unit disposed in the edge region for absorbing light coupled into the first glass plate. The absorption unit is designed as a first cover layer. Since it is undesirable for light to couple out at the edge of the composite glass plate, the edge region of the first glass plate has a cover layer that absorbs scattered light. This prevents scattered light in the edge region of the composite glass plate with minimal complexity.

[0009] Preferably, the first covering layer is disposed on the first surface of the first glass plate. Alternatively or additionally, the first covering layer may be disposed on the second surface (III) of the first glass plate.

[0010] In a particularly preferred embodiment, the second glass plate has a second cover layer. Thus, scattered light in the edge region is absorbed at both main surfaces of the composite glass plate. The first cover layer can extend from the edge of the first glass plate by 1 mm to 500 mm, preferably 10 mm to 150 mm, and particularly preferably 10 mm to 15 mm. Specifically, the first and second cover layers overlap at least partially in the perspective direction of the composite glass plate.

[0011] In an extended embodiment of the invention, the first overlay and / or the second overlay is opaque. In other words, the first and second overlays can be designed to be opaque. The term "opaque" indicates insufficient transparency. In the context of this invention, opaque means that an observer cannot see through the intermediate or overlay layers.

[0012] The overlay is also called an overlay print or a black print. The overlay print is formed by printing ink. The first and / or second overlay can be formed of opaque enamel, preferably applied as a screen print or digital print. The enamel can contain glass frit and / or mineral frit and optionally at least one pigment, preferably glass frit and / or mineral frit based on oxides selected from boron, bismuth, zinc, silicon, aluminum, and sodium. The pigment provides the opacity of the overlay. The pigment can be a black pigment, such as pigment black (carbon black), aniline black, bone black, iron oxide black, spinel black, and / or graphite. Alternatively, the first and / or second overlay can be designed as a tape, particularly a black tape, or a base layer, i.e., a so-called primer. The primer can comprise a sol-gel layer made of silica mixed with other inorganic oxides. The overlay can have a layer thickness of 5 μm to 15 μm.

[0013] In another embodiment, the composite glass panel includes a surrounding glass panel edge, wherein the absorbing units are arranged at least partially along the surrounding glass panel edge, or the absorbing units may extend circumferentially along the entire surrounding glass panel edge. The composite glass panel has a transparent area, wherein the composite glass panel has no covering layer. The transparent area of ​​the composite glass panel occupies at least 30%, preferably 50%, of the area of ​​the composite glass panel. If the composite glass panel is designed as a top glass panel or a windshield panel, the transparent area may occupy at least 70% or at least 80% of the area of ​​the composite glass panel.

[0014] In another embodiment, the light source may include at least one or more light-emitting diodes (LEDs). This type of light source is particularly bright and efficient.

[0015] The first glass plate has at least one notch for accommodating a light source. This reduces light scattered into the external environment of the composite glass plate and improves the coupling of light input into the first glass plate. In the assembled glass device with the notch in the first glass plate, a first cover layer can extend from the edge of the glass plate to the notch. When arranged in the notch, the light source can be covered by a second cover layer in the perspective direction.

[0016] In principle, any electrically insulating substrate that is thermally stable, chemically stable, and dimensionally stable under the conditions of manufacture and use of composite glass plates is suitable as the first and second glass plates.

[0017] The first and second glass plates preferably comprise glass, particularly float glass made of clear glass, and very particularly diamond glass. Alternatively, the glass plates may also comprise flat glass, such as soda-lime glass, borosilicate glass, or quartz glass, or clear plastic, rigid clear plastic, especially polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyester, polyvinyl chloride, and / or mixtures thereof. The first and / or second glass plates are preferably transparent, particularly for applications where the glass plates are used as roof panels, windshields, or rear panels of vehicles, or other applications where high light transmittance is required. In particular, at least the first glass plate, and preferably the second glass plate, is composed of clear glass.

[0018] If a coating, glass plate, or object has a transmittance of greater than 20%, preferably 50%, particularly preferably greater than 70%, and especially greater than 85% in the visible spectrum, then the coating, particularly the glass plate, or object is considered transparent.

[0019] However, for glass panels that are not in the driver's field of vision in traffic-related situations, such as the top glass panel, the transmittance can also be much lower, for example, greater than 5%. In addition, for example, the second glass panel and / or the intermediate layer can be tinted or colored.

[0020] The thickness of the first and / or second glass panes can vary widely, thus adapting well to the requirements of various situations. A standard thickness of 1.0 mm to 25 mm, preferably 1.4 mm to 2.5 mm, is preferred for vehicle glass, while a standard thickness of 4 mm to 25 mm is preferred for furniture, appliances, and buildings. The dimensions of the glass panes can vary widely and depend on the dimensions required for the application according to the invention. The first and second glass panes have a thickness of 200 cm. 2 up to 20m 2 The area is commonly found in fields such as vehicle construction and building.

[0021] The composite glass plate can have any three-dimensional shape. Preferably, the three-dimensional shape has no shaded areas, so it can be coated with a further coating, for example, by cathode sputtering. Preferably, the glass plate is flat or slightly or significantly curved in one or more directions in space. In particular, a flat substrate is used. The glass plate can be colorless or colored.

[0022] The first and second glass plates are bonded to each other at least by an interlayer. The interlayer is preferably transparent, colored, or tinted. The interlayer preferably comprises at least one plastic, preferably polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), and / or polyethylene terephthalate (PET), or a mixture thereof. However, the interlayer may also comprise, for example, polyurethane (PU), polypropylene (PP), polyacrylate, polyethylene (PE), polycarbonate (PC), polymethyl methacrylate, polyvinyl chloride, polyacetic acid resin, casting resin, acrylate, fluorinated ethylene-propylene, polyvinyl fluoride, and / or ethylene-tetrafluoroethylene, or copolymers or mixtures thereof. The interlayer may be formed from one or more films stacked on top of each other, wherein the film thickness is preferably from 0.025 mm to 1 mm, typically 0.38 mm or 0.76 mm. The interlayer is preferably thermoplastic and is used to bond the first glass plate, the second glass plate, and possibly other interlayers to each other after lamination. Particularly advantageous is the so-called acoustic damping intermediate layer, which preferably consists of three PVB sublayers, wherein the intermediate sublayer is designed to be softer than the two outer sublayers.

[0023] The interlayer may also have functional layers, particularly layers that reflect infrared radiation, absorb infrared radiation, absorb UV radiation, are at least partially colored, and / or at least partially colored. For example, a thermoplastic interlayer may also be a belt filter.

[0024] The terms "first glass panel" and "second glass panel" are chosen to distinguish the two glass panels in the composite glass panel according to the invention. This terminology is not associated with statements regarding geometric arrangement. For example, if the composite glass panel according to the invention is configured to separate interior space from the external environment in an opening, such as in a vehicle or building, the first glass panel may face either the interior space or the external environment.

[0025] In one advantageous embodiment, the composite glass panel is the roof glass panel of a motor vehicle, wherein the first glass panel is the inner glass panel and the second glass panel is the outer glass panel.

[0026] In addition, the first glass plate and / or the second glass plate may have other suitable coatings, such as anti-reflective coatings, anti-stick coatings, anti-scratch coatings, photocatalytic coatings, sun-protective coatings, and / or low-emissivity coatings.

[0027] In addition, the assembly glass device may optionally include other functional elements, particularly electronically controllable optical elements, such as PDLC elements, electrochromic elements, etc., which are typically arranged between the first glass plate and the second glass plate.

[0028] The first and second glass plates are laminated together by an intermediate layer, for example by autoclave method, vacuum bag method, vacuum ring method, calendering method, vacuum laminator or a combination thereof. Here, the glass plates are typically joined under the action of heat, vacuum and / or pressure.

[0029] On the other hand, the present invention includes vehicles having a glass assembly device according to the invention, particularly passenger vehicles.

[0030] In another aspect, the present invention includes a method for manufacturing an assembly glass device according to the invention, comprising at least:

[0031] • Provides a first glass plate, a second glass plate, and a thermoplastic intermediate layer.

[0032] • Absorbing units are applied to the first glass plate in the edge region.

[0033] • Sintering the absorption unit,

[0034] • At least one light source is arranged on the first glass plate.

[0035] • Optical coupling output units are arranged on the first surface (IV) and / or the second surface (III) of the first glass plate.

[0036] • The first glass plate and the second glass plate are joined together by a thermoplastic interlayer such that the second surface (III) of the first glass plate faces the thermoplastic interlayer.

[0037] The absorption unit is designed as the first capping layer.

[0038] In the process of manufacturing composite glass plate devices by screen printing, a covering layer is applied before each glass plate is bent.

[0039] The invention also includes the use of the glass assembly according to the invention in land, sea and air transportation vehicles, particularly in motor vehicles, for example as a roof glass panel, rear glass panel and / or side glass panel.

[0040] In the context of this invention, all embodiments mentioned for each feature can be freely combined with each other, as long as they do not contradict each other.

[0041] The present invention will now be explained in more detail with reference to the accompanying drawings and embodiments. The drawings are schematic and not drawn to scale. The drawings do not limit the invention in any way.

[0042] in:

[0043] Figure 1 A top view of an embodiment of the composite glass panel according to the present invention is shown, taking the top glass panel of a vehicle as an example.

[0044] Figure 2 A schematic cross-sectional view of a first embodiment of the glass assembly apparatus according to the present invention is shown, and

[0045] Figure 3 A schematic cross-sectional view of a second embodiment of the glass assembly apparatus according to the present invention is shown.

[0046] Numerical descriptions are not usually interpreted as precise values, but rather include tolerances of + / -1% to + / -10%.

[0047] Figure 1 A top view of an embodiment of a glass assembly 10 having a composite glass panel 101 according to the present invention is shown, taking the roof glass panel of a vehicle as an example. Alternatively, the composite glass panel 101 may be architectural glass or a component of furniture or electrical equipment. The glass assembly 10 may also be part of insulated glass and used as, for example, an outer or inner glass panel in a building window. Furthermore, the glass assembly 10 may be installed in an interior space and may be used as, for example, glass in a conference room.

[0048] The glass assembly 10 includes a composite glass plate 101 and two light sources 2. The light sources 2 are configured to emit light in the visible range. Alternatively, they may emit infrared or ultraviolet light. Each light source 2 of the glass assembly 10 may include one or more light-emitting diodes (LEDs, LED modules, LED lamps). The light source 2 may also include organic light-emitting diodes (OLEDs).

[0049] The composite glass plate 101 also has four optical coupling output units 4. The optical coupling output units 4 couple light out of the composite glass plate 101. The optical coupling output units 4 are arranged on the first surface IV (the main surface of the composite glass plate 101). At the location where the optical coupling output units 4 are arranged, light can leave the composite glass plate 101 via surface IV.

[0050] The optically coupled output unit 4 can be arranged at any arbitrary location on surface IV. Figure 1 In this embodiment, the optical coupling output unit 4 includes a structured surface IV, which prevents total internal reflection within the composite glass plate 101 and allows light to exit the composite glass plate 101 via the surface IV. Alternatively, the optical coupling output unit 4 may include printing on the surface IV or particles or cavities introduced into the composite glass plate 101 for light scattering, refraction, diffraction, or reflection.

[0051] In this embodiment, the light-coupled output unit 4 is also formed on surface IV as a print made of fine light-scattering particles. This interrupts total internal reflection of the light beam at the interface between the composite glass plate 101 and the surrounding air, and the light is coupled out from the composite glass plate 101 by scattering.

[0052] The composite glass plate 101 has an absorption unit 8 in the edge region 7 for absorbing light 3 coupled into the composite glass plate 101. The absorption unit 8 is designed as a first cover layer 9, which extends in a frame-like manner in the edge region 7.

[0053] The composite glass plate 101 includes a surrounding glass plate edge 12, wherein the absorbing units 8 extend circumferentially along the entire surrounding glass plate edge 12. Alternatively, the absorbing units 8 may be arranged at least partially along the surrounding glass plate edge 12. The width of the edge region 7 is measured from the glass edge 12 and is, for example, 10 mm, 50 mm, or 100 mm.

[0054] Surprisingly, it has been shown that the arrangement of the absorption units 8 in the edge region 7 of the composite glass panel 101 is particularly effective in preventing scattered light at the edge 12 of the glass panel. This is especially advantageous for glass panels where the edge region is not covered in the installed state. Due to the absorption units 8, the exposed edge is darkened and the illumination pattern (e.g., stars) formed by the light-coupled output units 4 is well-recognized.

[0055] The composite glass panel 101 has a transparent area 15 in which the composite glass panel has no covering layer. The transparent area 15 of the composite glass panel 101 occupies at least 70% of the surface area of ​​the composite glass panel.

[0056] Figure 2 Showing Figure 1The cross-sectional view of the glass assembly apparatus 10 according to the present invention is shown. The composite glass plate 101 includes a first glass plate 1, which is bonded to a second glass plate 6 via an intermediate layer 5. The first glass plate 1, the intermediate layer 5, and the second glass plate 6 are bonded to each other by lamination, particularly by autoclave processing. The second glass plate 6 has a first surface I and a second surface II opposite to the first surface I.

[0057] The first glass plate 1 has a first surface IV and a second surface III opposite to the first surface IV. The side surfaces of the composite glass plate 101 are arranged orthogonally to surfaces III and IV. The first glass plate 1 and the second glass plate 6 are made of, for example, soda-lime glass. The thermoplastic interlayer 5 is formed of, for example, a 0.76 mm thick PVB film. The thickness of the first glass plate 1 is, for example, 1.6 mm, and the thickness of the second glass plate 6 may be 2.1 mm. The first glass plate 1 and the second glass plate 6 may have any thickness, for example, the same thickness. The composite glass plate 10 is defined by four surrounding side surfaces.

[0058] The first glass plate 1 may comprise prestressed, partially prestressed, or unstressed glass. Alternatively, the first glass plate 1 may be made of plastic, such as polycarbonate. The first glass plate 1, the second glass plate 6, and the interlayer 5 are, for example, transparent (neither colored nor tinted). Alternatively, the interlayer 5 may have a tinted or tinted PVB film. Alternatively or additionally, the second glass plate 6 may be darkly tinted.

[0059] The first glass plate 1 has a notch 13 into which one of the two light sources 2 is inserted. The notch 13 extends continuously from the first surface IV of the first glass plate 1 to the second surface III of the first glass plate 1. The intermediate layer 5 is not removed in the area of ​​the notch 13. The light source 2 is entirely located within the composite glass plate 101. The light 3 emitted by the light source 2 is directed towards the glass plate 1. The glass plate 1 is configured to further conduct the coupled-input light 3 longitudinally through the glass plate 1. The first glass plate 1 is preferably the inner glass plate and the second glass plate 6 is the outer glass plate. In the installation position, the inner glass plate faces the interior space. In the installation position, the outer glass plate faces the external environment (e.g., the external environment of the vehicle). This arrangement is particularly advantageous due to the positioning of the light source 2 within the first glass plate 1, as the coupled output of light occurs towards the interior space (of the vehicle), resulting in a comfortable atmosphere within the interior space. Alternatively, the second glass plate 6 may also be the inner glass plate and the first glass plate 1 the outer glass plate.

[0060] Absorbing elements 8 are applied to the first surface IV of the first glass plate 1. The absorbing elements 8 are designed as an opaque, dark-colored, particularly black or gray, first covering layer 9. The first covering layer 9 is formed by printing ink. Because it is undesirable for light to couple out at the edges of the composite glass plate, the edge region 7 of the first glass plate 1 has a covering layer 9 that absorbs scattered light. Thus, unwanted scattered light in the edge region 7 of the composite glass plate 101 is prevented with minimal complexity.

[0061] Furthermore, an opaque, dark-colored, particularly black or grayish-black, second covering layer 11 is disposed on the second surface II of the second glass plate 6. Specifically, the first covering layer 9 and the second covering layer 11 overlap in the perspective direction of the composite glass plate 101. The light source 2 is obscured by the second covering layer 11 in the perspective direction. Covering layers 9 and 11 are peripheral, i.e., frame-like covering prints. Covering layers 9 and 11 can be designed to be opaque, non-transparent, and / or cover the entire surface.

[0062] The first cover layer 9 and the second cover layer 11 comprise pigments and glass frit. They may contain other compounds. The glass frit may be partially melted or fused, thereby permanently bonding (fusing or sintering) the cover layers 9 and 11 to the glass surface. The pigments ensure the opacity of the cover layers 9 and 11. Such cover layers are applied as enamel. Alternatively, the first cover layer 9 and / or the second cover layer 11 may be designed as tape, a colored layer, or a primer. Tape, colored layer, and primer are preferably black.

[0063] Figure 3 A schematic cross-sectional view of a second embodiment of the glass assembly apparatus 10 according to the present invention is shown. Figure 3 The glass assembly 10 shown is particularly well-suited as a roof glass panel for motor vehicles. Figure 3 The glass assembly device 10 has a connection with Figure 2 The assembly glass device 10 has a similar structure. The second glass plate 6 (outer glass plate) is similar to... Figure 2 The glass plate 6 is the same. However, it is different from... Figure 2 Unlike other embodiments, the first cover layer 9 is applied as an absorption unit 8 to the second surface III of the first glass plate 1. In the present second embodiment, the light-coupled output unit 4 is formed as a printout made of fine light-scattering particles on surface III.

[0064] The first glass plate 1 is, for example, positioned to face the interior space of the vehicle in the installation position. The first surface IV of the first glass plate 1 is accessible from the interior space, while the first surface I of the second glass plate 6 points outward relative to the interior space of the vehicle.

[0065] List of reference numerals in the attached diagram:

[0066] 1 First glass plate

[0067] 2. Light source

[0068] 3 lights

[0069] 4 Optical Coupler Output Unit

[0070] 5. Intermediate layer

[0071] 6 Second glass plate

[0072] 7. Edge Area

[0073] 8 Absorption Units

[0074] 9 First Covering Layer

[0075] 10. Assemble the glass assembly

[0076] 11 Second Covering Layer

[0077] 12. Glass plate edge

[0078] 13 Gap

[0079] 15 Perspective Area

[0080] 101 Composite Glass Panel

[0081] The first surface of the second glass plate 6

[0082] II. Second surface of the second glass plate 6

[0083] III. Second surface of the first glass plate 1

[0084] IV. First surface of the first glass plate 1.

Claims

1. A glass assembly (10), comprising at least: • A first glass plate (1) having a first surface (IV) and a second surface (III), wherein the first glass plate (1) is configured to further conduct at least partially the coupled input light, wherein the first glass plate (1) is bonded to a second glass plate (6) via an intermediate layer (5) to form a composite glass plate (101). • A light source (2) for generating light (3) that can be coupled into the first glass plate. • Optical coupling output unit (4), which is used to couple light out from the first glass plate (1) via one of the two surfaces (III, IV), • An edge region (7) extending at least 1 mm and at most 500 mm from the edge (12) of the first glass plate (1) on one of the surfaces (III, IV), and • An absorption unit (8), which absorbs light (3) coupled into the first glass plate (1), is arranged in the edge region (7). The absorption unit (8) is designed as a first cover layer (9), which is arranged on the first surface (IV) and / or the second surface (III) of the first glass plate (1). The first glass plate (1) has at least one notch (13) for accommodating the light source (2), and The first covering layer (9) extends from the edge (12) of the glass plate to the notch (13) in which the light source (2) is arranged.

2. The glass assembly apparatus according to claim 1, wherein the second glass plate (6) has a second cover layer (11).

3. The assembly glass device according to any one of claims 1 or 2, wherein the first cover layer (9) and / or the second cover layer (11) are opaque.

4. The glass assembly apparatus according to any one of claims 1 to 2, wherein the first cover layer (9) extends from the glass plate edge (12) of the first glass plate (1) by 1 mm to 500 mm.

5. The glass assembly apparatus according to claim 4, wherein the first cover layer (9) extends from the glass plate edge (12) of the first glass plate (1) by 10 mm to 150 mm.

6. The glass assembly apparatus according to claim 4, wherein the first cover layer (9) extends 10 mm to 15 mm from the glass plate edge (12) of the first glass plate (1).

7. The glass assembly device according to any one of claims 1 to 2, wherein the absorbing unit (8) is arranged partially along the perimeter (12) of the composite glass plate (101), or the absorbing unit (8) extends circumferentially along the entire perimeter (12) of the composite glass plate (101).

8. The assembly glass device according to any one of claims 1 to 2, wherein the first cover layer (9) and / or the second cover layer (11) is an opaque enamel, tape or primer.

9. The glass assembly apparatus of claim 8, wherein the enamel comprises glass frit and / or mineral frit and optionally at least one pigment.

10. The glass assembly apparatus of claim 9, wherein the enamel comprises glass frit and / or mineral frit based on oxides selected from boron, bismuth, zinc, silicon, aluminum and sodium.

11. The glass assembly apparatus according to claim 2, wherein the first cover layer (9) and the second cover layer (11) overlap at least partially in the perspective direction of the composite glass plate (101).

12. The glass assembly apparatus according to any one of claims 1 to 2, wherein the light source (2) comprises at least one or more light-emitting diodes.

13. The glass assembly device according to any one of claims 1 to 2, wherein the composite glass panel (101) is the roof glass panel of a motor vehicle, and the first glass panel (1) is the inner glass panel and the second glass panel (6) is the outer glass panel.

14. A vehicle having a glass assembly device according to any one of the preceding claims.

15. The vehicle according to claim 14, wherein the vehicle is a passenger-carrying motor vehicle.

16. A method of manufacturing an assembly glass device (10) according to any one of claims 1 to 13, comprising at least: • Provides a first glass plate (1), a second glass plate (6), and a thermoplastic intermediate layer (5), • An absorption unit (8) is applied to the first glass plate (1) in the edge region (7). • The absorption unit is fired. • At least one light source (2) is arranged on the first glass plate (1). • Optical coupling output units (4) are arranged on the first surface (IV) and / or the second surface (III) of the first glass plate (1). • The first glass plate (1) and the second glass plate (6) are joined together by a thermoplastic interlayer (5) such that the second surface (III) of the first glass plate (1) faces the thermoplastic interlayer (5). The absorption unit (8) is designed as the first cover layer (9).

17. Use of the glass assembly device (10) according to any one of claims 1 to 13 in a land, sea and air transportation vehicle.

18. The use according to claim 17, wherein the glass assembly device (10) is used in trains, ships and motor vehicles.

19. The use according to claim 17, wherein the glass assembly device (10) serves as a top glass panel, a rear glass panel, and / or a side glass panel.