Cosmetic panel and method for manufacturing the cosmetic panel

Abstract

The present invention relates to a decorative panel, in particular a floor, ceiling or wall panel. The present invention also relates to a panel covering, such as a floor, ceiling or wall covering, comprising a plurality of panels according to the present invention. The present invention further relates to a method for producing a decorative panel according to the present invention.

Description

Technical Field

[0001] The present invention relates to a decorative panel, and more particularly to a floor panel, a ceiling panel, or a wall panel. The present invention also relates to a panel covering material such as a floor covering material, a ceiling covering material, or a wall covering material including a plurality of panels according to the present invention. The present invention further relates to a method for manufacturing a decorative panel according to the present invention.

Background Art

[0002] The laminated panel usually comprises a decorative layer having a decorative pattern with a wood grain appearance. The decorative layer is covered with a transparent layer for preserving and protecting the decorative layer. In order to improve the visual and tactile appearance of the decorative pattern of the decorative layer, recesses can be realized in the transparent layer, for example, to obtain an imitation of the holes and other irregularities of wood that may be present on the surface of real wood. In known panels, this is done simply by providing a series of recesses in the floor panel, which extend along substantially the same direction. Despite the use of such recesses, also called embosses, known panels show the disadvantage that the imitation effect is still not optimal. Thus, for example, when viewing such a floor panel at a relatively small angle, refraction of light occurs in the transparent layer made of a composite material, and as a result, these panels show the disadvantage that no visual effect of the actual print is perceived and only a shiny surface is visible.

Summary of the Invention

Problems to be Solved by the Invention

[0003] An object of the present invention is to provide an improved panel with an improved emboss effect.

Means for Solving the Problems

[0004] This object can be achieved by providing a panel as described above, comprising a core material having an upper surface and a lower surface, and a decorative upper structure directly or indirectly attached to the upper surface of the core material, the decorative upper structure including at least one decorative printing layer forming at least one decorative image, and a substantially transparent or translucent three-dimensional embossed structure at least partially covering the printing layer, the embossed structure including at least one at least partially cured base layer provided with a plurality of recesses, and at least one at least partially cured raised pattern layer formed by a plurality of raised portions printed on the upper portion of the base layer.

[0005] The panel according to the present invention comprises a multi-layer embossed structure including at least one negative embossed layer having recesses provided in the base layer, and at least one positive embossed layer having raised portions provided on the upper portion of the negative embossed layer. As a result, a clearer (rougher and more undulating) embossed structure is obtained, a relatively deep emboss can be created, and such a panel will look more realistic. Due to the relatively deep emboss that can be created by attaching a multi-level layered embossed structure, a more realistic lighting effect and a better depth effect can be obtained, and the color of the decorative image can generally be perceived more desirably. Generally, the upper surface of the base layer defines an embossed base level, and the recesses and at least some and / or at least several of the raised portions are located on the opposite side of the embossed base level. It is also conceivable that the recesses and at least some and / or at least several of the raised portions are located on the same side of the base level.

[0006] Normally, a plurality of the recesses are provided in a part of the base layer, and there are no recesses in other parts of the base layer. Therefore, in this embodiment, the base layer is only partially embossed. The raised portions, at least some of them and / or some of them, are preferably printed on the portion of the base layer where there are no recesses, and by doing so, the depth effect of such an embossed structure will be increased.

[0007] It is conceivable that a plurality of recesses in the base layer form a discontinuous and / or continuous recess pattern. It is also conceivable that a plurality of recesses in the base layer form a regular recess pattern. Generally, the recess pattern to be realized strongly depends on and even completely depends on at least one decorative image of the decorative layer.

[0008] Preferably, the base layer is a printed base layer. This means that the base layer, which is initially in a liquid state, is printed directly or indirectly on top of the decorative layer. When the base layer is still in a liquid state, one or more recesses can be provided in the base layer, and / or one or more recesses can be provided in the base layer during and / or after curing (solidifying) the base layer. Providing one or more recesses in the liquid base layer is preferably done by chemically embossing. For this purpose, preferably (small) droplets of an embossing liquid are selectively printed (sprayed) on top of the liquid base layer, and a chemical reaction occurs between the material of the printed droplets and the still liquid base layer, and the subsequent reaction product optically and / or tactually changes the structure of the base layer at this position. Providing one or more recesses in the base layer during or after curing can be done by (the above-mentioned) chemical embossing and / or by mechanical embossing, for example, by using a laser or a particle beam such as a water beam.

[0009] Preferably, the recess provided in the base layer has a depth between 2 micrometers and 100 micrometers, preferably between 3 micrometers and 50 micrometers. Preferably, the protrusion of the raised pattern layer has a height between 2 micrometers and 500 micrometers, preferably between 3 micrometers and 300 micrometers. The total embossing depth is determined by the sum of the maximum recess depth and the maximum protrusion height. When a plurality of base layers and / or a plurality of raised pattern layers are attached, an increase in the total embossing depth can be achieved.

[0010] In a preferred embodiment, at least a part of the recess of the base layer is aligned with at least a part of at least one decorative image formed by the decorative printing layer. Preferably, at least a part of the protrusion of the raised pattern layer is aligned with at least a part of at least one decorative image formed by the decorative printing layer. By applying the alignment adjustment, also called alignment embossing, a very realistic and / or artistic panel design and appearance can be achieved. The decorative image can be formed in a wood grain pattern. However, it is also fully conceivable that the decorative image is another type of pattern, such as a customized picture and / or a mosaic pattern or a tile pattern. In the case of a mosaic pattern or a tile pattern, artificial tiles beautifully separated by one or more grouts may be depicted. Here, the attached embossed structure may include a base layer having a thick layer portion covering the artificial tile and a thin layer portion covering one or more grouts. Here, it is also conceivable that the protrusion of the raised pattern mainly or simply covers the artificial tile and covers the artificial tile little or not at all. In this way, a realistic surface relief substantially equivalent to that obtained when using real tiles and grouts can be realized.

[0011] It is conceivable that at least one additional decorative printing layer is located on at least one base layer and at least one raised pattern layer. In this way, a multi-layer decorative pattern can be realized. This further increases the degree of freedom in the design for creating a decorative upper structure including an embossed structure and a plurality of decorative layers, and thereby also makes it possible, for example, to produce a three-dimensional effect on the entire decorative image. It is also conceivable that a colored coating is applied in the recess or on the base layer. This colored coating can be considered as an additional decorative printing layer.

[0012] Preferably, the basis weight of the base layer is at least 40 g / m 2 and preferably at least 50 g / m 2It is. Usually, the base layer is made of a radiation-curable material. Preferably, the base layer is made of at least one resin selected from the group consisting of epoxy acrylate, polyester acrylate, polyether acrylate, amino acrylate, silicone acrylate, urethane acrylate, polyisoprene acrylate, polybutadiene acrylate, and acrylate monomer, at least in the initial liquid state. The term acrylate is also called acrylic resin and includes both acrylate resin and methacrylate resin. Each of the resins described above is related in that it polymerizes and cures by electromagnetic energy irradiated from a laser, which is generally a UV laser, an infrared source, and / or a mercury (Hg) light source. In a preferred embodiment, the (meth)acrylate resin has a high solid content, for example, equal to 20 to 30 wt% based on the weight of the resin, which generally results in the desired volume increase of the base layer. Optionally, the base layer may contain one or more photoinitiators to promote the curing of the base layer. The (transparent and / or translucent) base layer may contain fillers such as (i) aluminum oxide to improve the abrasion resistance of the base layer, (ii) talc to modify the rheology of the base layer, (iii) silica, calcium carbonate, and / or (iv) other additives such as rheology modifiers, and / or colorants. Optionally, the base layer may contain silicone that can increase the depth of the emboss. Generally, silicone is added in an amount of 0.01 to 20 wt% of the base layer, preferably in an amount of 0.01% to 10%, more preferably in an amount of 0.01 to 2 wt% of the base layer. Suitable silicones include, for example, silicone, silicone polyether, silicone acrylate, and silicone polyether acrylate.

[0013] Preferably, the base layer contains, at least in the initial liquid state, an ester of ethoxylated propylidinetrimethanol and acrylic acid, and preferably further N-ethylamine, more preferably N-ethyltanamine. These products generally react with each other to form amine-modified acrylic oligomers that can be polymerized by free radicals. Also, this latter property is utilized to radiation-cure the base layer.

[0014] The base layer preferably contains, at least in the initial liquid state, an epoxy acrylate oligomer, more preferably bisphenol A epoxy diacrylate. Bisphenol A type epoxy diacrylate is a colorless liquid. This epoxy acrylate oligomer provides high gloss, gives excellent reactivity, and is characterized by outstanding chemical and mechanical robustness properties of the radiation-curable base layer.

[0015] Preferably, at least the liquid base layer contains at least a diacrylate, preferably at least one diacrylate selected from the group consisting of tricyclodecane dimethanol diacrylate, 1,6-hexanediol diacrylate, hexamethylene diacrylate, oxybis(methyl-2,1-ethanediyl) diacrylate, and 3-methyl 1,5-pentanediol diacrylate. These difunctional acrylic monomers are very reactive and are usually printed and / or sprayed as an embossing liquid (embossing ink) on top of the original base layer (in the liquid state) to selectively create recesses in the base layer. The droplets of this embossing ink can be adhered to the base layer very precisely, usually at a resolution of about 500 - 1,000 dpi (or higher).

[0016] The basis weight of the raised pattern layer is at least 60 g / m 2 preferably at least 70 g / m 2It is as follows. The basis weight of the raised pattern layer is preferably greater than that of the base layer. The raised pattern layer preferably contains an acrylic resin. More preferably, the raised pattern layer contains, at least in the liquid state, a biacrylate, preferably tripropylene glycol diacrylate. The raised pattern layer can be selectively printed and / or sprayed on top of the base layer. This printing process is also preferably carried out very precisely, usually at a resolution of about 500 to 1,000 dpi (or higher).

[0017] The embossed structure is preferably at least partially covered with a lacquer layer (wear layer). The lacquer layer can include a wear-resistant polymer material coated on the underlying layer, or any suitable known wear-resistant material such as a known ceramic bead coating. When the wear layer is applied in the form of a layer, the wear layer can be adhered to the underlying layer. The wear layer can also include an organic polymer layer and / or an inorganic material layer, such as an ultraviolet coating or a combination of an ultraviolet coating and another organic polymer layer. For example, an ultraviolet paint that can improve surface scratch resistance, gloss, antibacterial properties, and other properties of the product. Other organic polymers including polyvinyl chloride resin or other polymers such as vinyl resin, and an appropriate amount of plasticizer and other processing additives can be included as required. In one embodiment of the panel according to the present invention, at least a part of the recesses of the base layer remains uncovered by the lacquer layer. In this way, a further embossing effect (relief effect) can be achieved, and furthermore, a glossy area and a matte area can be created in this way, and these areas can further contribute to the desired aesthetic appearance of such a panel. Here, for example, when a decorative image is formed by artificial tiles separated by grout, the artificial tiles can be covered with a lacquer layer to provide a gloss effect to these tiles, while the grout remains substantially uncovered by the lacquer layer to maintain a more matte appearance.

[0018] It is conceivable that at least a part of at least one decorative layer is printed directly on the upper surface of the core material, preferably by digital printing. It is also conceivable that at least one support layer, preferably formed by at least one primer or film, is provided on the upper surface of the core material, and at least a part of the decorative layer is printed directly on the support layer, preferably by digital printing. The support layer can be attached directly or indirectly (via one or more intermediate layers) on the core material. When a primer is applied, it is conceivable to apply at least two different primers such as a gloss primer and a matte primer, and these primers are applied in a position-selective arrangement (adjacent to each other) on the core material, preferably in alignment with the decorative printing layer applied on top of the primer. In this way, gloss and matte effects can also be achieved at selectively chosen locations, which can further contribute to the desired, authentic, and / or artificial appearance (and feel) of such panels.

[0019] In one embodiment of the panel according to the present invention, at least one intermediate layer is located between the printed decorative layer and the embossed structure. This intermediate layer is generally transparent, preferably very transparent, and / or translucent. Preferably, at least one intermediate layer is formed by a transparent or translucent light-reflective thermoplastic layer, preferably by a polyester layer, more preferably by a polyethylene terephthalate layer (PET layer). This light-reflective thermoplastic resin layer functions as a protective layer that protects the decorative image from degradation due to irradiation by daylight (or artificial light). Furthermore, this light-reflective thermoplastic layer also prevents heating of the panel when exposed to daylight (or artificial light), and thus suppresses thermal effects (expansion and contraction), which is advantageous for the durability and reliability of both such panels and floor coverings composed of a plurality of preferably interconnected panels. The light-reflective thermoplastic resin layer is preferably adhered on top of the printed decorative layer, more preferably using a hot melt adhesive. The base layer may be attached directly on top of the light-reflective thermoplastic layer.

[0020] Normally, the backing layer is attached to the lower surface of the core material. Non-limiting examples of materials for the backing layer include those that can be made of polyethylene, cork, polyurethane, and ethylene vinyl acetate. The thickness of the polyethylene backing layer is, for example, usually 2 mm or less. The backing layer generally provides additional robustness and impact resistance to each such tile, improving the durability of the tile. Further, the (flexible) backing layer can improve the acoustic (sound attenuation) properties of the tile.

[0021] In a preferred embodiment, the first panel edge has a first coupling profile, and preferably the second panel edge opposite the first panel edge has a second coupling profile designed to interlock with the first coupling profile of adjacent panels in both the horizontal and vertical directions. The first coupling profile and the second coupling profile are preferably configured such that two such panels can be joined to each other by a downward movement (folding movement). When the panel is rectangular, the first panel edge and the second panel edge are typically located on the opposing short sides of the panel. The panel preferably also has at least one third coupling profile and at least one fourth coupling profile disposed on the third panel edge and the fourth panel edge, respectively. The third coupling profile includes a lateral tongue extending in a direction substantially parallel to the upper surface of the core material, at least one second downward side surface located at a distance from the lateral tongue, and a second downward groove formed between the lateral tongue and the second downward side surface. The fourth coupling profile includes a third groove configured to receive at least a portion of the lateral tongue of the third coupling profile of an adjacent panel. The third groove is defined by an upper lip and a lower lip, and an upward locking element is provided on the lower lip. The third coupling profile and the fourth coupling profile are configured such that two such panels can be joined to each other by a rotational movement (bending movement). In the joined state, at least a portion of the lateral tongue of the first panel is inserted into the third groove of the adjacent second panel, and at least a portion of the upward locking element of the second panel is inserted into the second downward groove of the first panel.

[0022] The core material may be flexible, semi-rigid, or substantially rigid. The core material may be solid or at least partially foamed. The core material may include at least one polymer selected from the group consisting of ethylene vinyl acetate (EVA), polyurethane (PU), polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), polyethylene terephthalate (PET), polyisocyanurate (PIR), or mixtures thereof. The core material may include at least one wood material. The core material may include at least one composite material composed of at least one polymer material and at least one non-polymer material. The at least one non-polymer material is preferably selected from the group consisting of talc, chalk, wood, calcium carbonate, and inorganic fillers. The core material may include magnesium oxide and / or magnesium hydroxide. The upper surface of the core material is preferably substantially flat.

[0023] The present invention also relates to a panel covering, preferably composed of a plurality of panels interconnected according to the present invention, in particular a floor covering, a ceiling covering, or a wall covering. Here, at least two panels have separate decorative images, each decorative image being a partial image, and it is conceivable that the combination of the decorative images forms a single image (picture or photograph).

[0024] The present invention further relates to a method for manufacturing a decorative panel according to the present invention, the method comprising: A) forming at least one decorative image on the upper surface of a core material by printing, preferably by digital printing; B) attaching a liquid-based layer to at least a part of the at least one decorative image formed during step A); C) selectively printing a plurality of embossing droplets onto the still liquid-based layer such that the thickness of the base layer changes at the positions where the embossing droplets are sprayed, and recesses are formed in the liquid-based layer at these positions; D) at least partially curing the base layer provided with the recesses; E) selectively printing a raised pattern layer formed by a plurality of raised portions onto the base layer, preferably onto the base layer that is at least partially cured during step D); and F) at least partially curing the pattern layer.

[0025] The advantages and embodiments of the panel have already been discussed in detail above. During step C), the embossing droplets are preferably printed onto the liquid-based layer according to a first digital template that is aligned with at least a part of the at least one decorative image formed during step A). During step E), the raised pattern is preferably printed onto the base layer according to a second digital template that is aligned with at least a part of the at least one decorative image formed during step A). More preferably, the first digital template is different from the second digital template. Preferably, the curing of the base layer by step D) and / or the curing of the pattern layer by step F) is preferably carried out by radiation curing using UV radiation and / or electron radiation and / or IR radiation.

Brief Description of the Drawings

[0026]

Figure 1a

Figure 1b

Figure 1c

Figure 1d

Figure 1e

Figure 2a

Figure 2b

Figure 3

Figure 4a

Figure 4b

Mode for Carrying Out the Invention

[0027] The present invention will be described based on the following non-limiting exemplary embodiments shown in the figures.

[0028] Figures 1a - 1e show the sequential steps of the method according to the present invention. Figure 1a shows a schematic cross - section of a decorative panel (110). This figure shows the core material (100) of the panel (110). The core material (100) is typically substantially rigid and may optionally include at least one polymer and / or at least one woody material. The decorative image is formed on the upper surface (100A) of the core material (100) by printing, in particular by digital printing. Figure 1b shows that a liquid - based layer (101) is applied to the decorative image formed on the upper surface (100A) of the panel (110). The liquid forming the liquid - based layer (101) is, for example, a UV sealer. The liquid - based layer (101) generally has a relatively high surface tension in order to enable precise embossing in the liquid - based layer (101). Figure 1c shows that a plurality of embossing droplets (102) are selectively printed on top of the still - liquid base layer (101). This printing is performed such that the thickness of the base layer (101) changes at each position where the embossing droplets (102) are sprayed. Figure 1d shows that as a result, recesses (103) are formed in the liquid - based layer (101) at the positions where the embossing droplets (102) are sprayed. The base layer (101) is at least partially cured after the recesses (103) are provided in the base layer (101). Subsequently, a raised - pattern layer is formed by selectively printing a plurality of raised portions on top of the base layer (101). Raised droplets (104) to be adhered to the panel (110) are shown in Figure 1d. The pattern layer obtained by selectively printing the raised portions (105) is subsequently at least partially cured. Preferably, the embossing droplets (102) and / or the raised droplets (104) have a surface tension higher than that of the liquid - based layer (101). Optionally, one or more finishing layers (not shown) can be adhered to the panel (110). By the steps shown in Figures 1a - 1e, a decorative panel (110) is obtained that comprises a core material (100) and a decorative upper structure adhered to the upper surface (100A) of the core material (100). The decorative upper structure comprises a decorative printing layer forming at least one decorative image and a substantially transparent or translucent three - dimensional embossed structure that at least partially covers the printing layer.This embossed structure is a multi-layer embossed structure including a base layer (101) provided with a plurality of recesses (103) and an embossed pattern layer formed by a plurality of raised portions (105) printed on the upper part of the base layer (101). It can be seen that the recesses (103) and the raised portions (105) can overlap so as to obtain a panel (110) having a structure with irregular height. The plurality of recesses (103) of the base layer (101) form a discontinuous recess pattern. The panel (110) may optionally include a plurality of coupling contours for coupling a plurality of panels (110). The panel (110) may also include a backing layer (not shown) attached to the lower surface of the core material (100).

[0029] Figure 2a shows a schematic view of another example of a cosmetic panel (220) according to the present invention. The panel (220) comprises a core material (200) provided with an upper surface and a lower surface, and a cosmetic upper structure (201) directly or indirectly attached to the upper surface of the core material (200). The cosmetic upper structure (201) comprises a cosmetic printing layer forming at least one cosmetic image. The panel (220) also comprises a three-dimensional embossed structure (202) that is substantially transparent or translucent and covers the printing layer (201). In the illustrated embodiment, the embossed structure (202) comprises a base layer (204) provided with a plurality of recesses (203), and a raised pattern layer formed by a plurality of raised portions (205) printed on the base layer (204). The raised portions form part of a lacquer layer (205). A support layer (206), particularly a primer layer (206), is sealed and present between the upper structure (201) and the embossed structure (202). In the illustrated embodiment, the primer layer (206) comprises a pattern consisting of a matte primer (206A) and a gloss primer (206B). The recesses (203) are present where the primer layer (206) is formed of the matte primer (206A). The structured raised portions (205) cover the gloss primer (206B) of the primer layer (206). Since the embossed structure (202) is substantially transparent, the differences within the primer layer (206) are visible. It is also conceivable that the primer layer (206) is attached to the upper surface of the core material (200), and the cosmetic top structure (201) is attached on top of the primer layer (206).

[0030] Figure 2b shows a top view of the panel (220) shown in Figure 2a. It can be seen that a visually visible pattern is obtained because a part of the base layer is provided with the plurality of recesses (203) and a part of the base layer has no recesses. This effect is further emphasized by the primer layer (206) comprising both matte and gloss primers (206A, 206B) in a pattern that matches the embossed structure (202).

[0031] Figure 3 shows a schematic view of a further example of a decorative panel (330) according to the present invention. This figure shows a cross-section of the decorative panel (330), particularly a floor panel (330). The panel (330) comprises a core material (300) provided with an upper surface and a lower surface. A decorative printing layer (301) is indirectly attached to the upper surface of the core material (300). A support layer (302) formed of a primer (302) exists between the core material (300) and the decorative layer (301) to improve the adhesiveness of the decorative layer (301). An intermediate layer (303) exists above the printed decorative upper layer (301). The intermediate layer (303) is formed of a transparent or translucent, light-reflective thermoplastic layer (303). The light-reflective thermoplastic layer (303) is adhered onto the printed decorative layer (301) using a hot-melt adhesive layer (304). A substantially transparent or translucent three-dimensional embossed structure (305) is disposed above the aforementioned layers (300, 301, 302, 303, 304). The embossed structure (305) is a multi-layer embossed structure (305) and comprises two base layers (306A, 306B) that are at least partially cured and provided with a plurality of recesses. A part of each base layer (306A, 306B) has no recesses. The embossed structure (305) also comprises a raised pattern layer (307) formed by a plurality of raised portions printed on the upper side of the upper base layer (306B). The raised portions are printed on both the part of the base layer (306B) provided with respective recesses and the part without recesses. Although not shown, it is also conceivable that an embossed layer exists above the lower base layer (306A). A secondary printed decorative layer (308) is attached to the lower base layer (306A). This printed decorative layer (308) is attached to the part of the base layer (306A) without recesses. The entire panel (330) is covered with a finish layer (309), particularly a lacquer layer (309). The panel (330) benefits from the presence of two printed decorative layers (301, 308) that will result in a unique visual pattern. The recesses provided in the base layers (306A, 306B) are usually between 2 micrometers and 100 micrometers in depth, preferably between 3 micrometers and 50 micrometers.The protrusions of the raised pattern layer (307) typically have a height between 2 micrometers and 500 micrometers, preferably between 3 micrometers and 300 micrometers.

[0032] Figures 4a and 4b show non - limiting examples of coupling contours (401A, 401B, 402A, 402B) used in panels (400A, 400B) according to the present invention. A first panel edge (440A) comprises a first coupling contour (401A), and a second panel edge (440B) opposite the first panel edge (440A) comprises a second coupling contour (401B) designed to interlock and engage with the first coupling contour (401A) of an adjacent panel in both horizontal and vertical directions. The first coupling contour (401A) and the second coupling contour (401B) are configured such that two such panels can be coupled to each other by a downward movement. This configuration is shown in Figure 4a. Figure 4b shows a panel comprising a third coupling contour (402A) and a coupling contour (402B) disposed on a third panel edge (441A) and a fourth panel edge (441B) respectively. The third coupling contour (402A) and the fourth coupling contour (402B) are configured such that two such panels (440A, 440B) can be coupled to each other by a rotational movement. In the coupled state, at least a part of the lateral tongue of the first panel is inserted into a third groove of an adjacent second panel, and at least a part of the upward locking element of the second panel is inserted into a second downward groove of the first panel.

[0033] Thus, the concepts of the present invention described above are illustrated by several exemplary embodiments. Each individual inventive concept is considered to be applicable, when applied, without also applying other details of the examples described. Since those skilled in the art will understand that a number of inventive concepts can be (re) combined to reach a particular application example, it is not necessary to detail all possible combinations of the inventive concepts described above.

[0034] The present invention is not limited to the embodiments shown and described herein, and it will be apparent to those skilled in the art that numerous modifications are possible within the scope of the appended claims.

[0035] As used in this patent disclosure, the verb "comprise" and its conjugations are understood to mean not only "comprise", but also the phrases "contain", "substantially consist of", "formed by", and their conjugations.

Claims

1. A decorative panel, particularly a floor panel, ceiling panel or wall panel, - a core material provided with an upper surface and a lower surface, and - a decorative upper structure directly or indirectly attached to the upper surface of the core material, the decorative upper structure comprising · at least one decorative printing layer forming at least one decorative image, and · a substantially transparent or translucent three-dimensional embossed structure at least partially covering the printing layer, the embossed structure comprising ○ at least one at least partially cured base layer provided with a plurality of recesses, and ○ at least one at least partially cured raised pattern layer formed by a plurality of raised portions printed on the base layer, the decorative panel being a multilayer embossed structure.

2. The upper surface of the base layer is defined as an embossed base level surface, the recesses are located below the embossed base level surface, and at least some of the raised portions are located above the embossed base level surface. The decorative panel according to claim 1.

3. The upper surface of the base layer is defined as an embossed base level surface, and at least some of the recesses and the raised portions are both located on the same side, either above or below the embossed base level surface. The decorative panel according to claim 1 or 2.

4. The plurality of recesses are provided in a part of the base layer, and there are no recesses in another part of the base layer. The decorative panel according to any one of claims 1 to 3.

5. The plurality of recesses in the base layer form a discontinuous recess pattern. The decorative panel according to any one of claims 1 to 4.

6. The base layer is a printed base layer. The decorative panel according to any one of claims 1 to 5.

7. The recesses provided in the base layer have a thickness between 2 micrometers and 100 micrometers. The decorative panel according to any one of claims 1 to 6.

8. The raised portions of the raised pattern layer have a height between 2 micrometers and 500 micrometers. The decorative panel according to any one of claims 1 to 7.

9. At least a part of the recesses in the base layer is aligned with at least a part of at least one decorative image formed by the decorative printing layer. The cosmetic panel according to any one of claims 1 to 8, wherein at least a part of the raised portion of the raised pattern layer is aligned with at least a part of at least one cosmetic image formed by the cosmetic printing layer.

10. The cosmetic panel according to any one of claims 1 to 9, wherein at least one additional cosmetic printing layer is located on at least one base layer and at least one raised pattern layer.

11. The cosmetic panel according to any one of claims 1 to 10, wherein the embossed structure is at least partially covered with a lacquer layer.

12. The cosmetic panel according to any one of claims 1 to 11, wherein at least a part of the cosmetic printing layer is directly printed on the upper surface of the core material.

13. The cosmetic panel according to any one of claims 1 to 12, wherein a support layer formed by a primer or a film is provided on the upper surface of the core material, and at least a part of the cosmetic printing layer is directly printed on the support layer.

14. At least one intermediate layer is located between the cosmetic printing layer and the embossed structure, The cosmetic panel according to any one of claims 1 to 13, wherein at least one intermediate layer is formed of a transparent or translucent light-reflective thermoplastic layer.

15. The first panel edge has a first coupling contour, and the second panel edge opposite the first panel edge is designed to interlock with the first coupling contour of the adjacent panel in both the horizontal and vertical directions, and the first coupling contour and the second coupling contour are configured such that two such panels can be coupled to each other by a downward movement. The cosmetic panel according to any one of claims 1 to 14.

16. Comprising at least one third coupling contour and at least one fourth coupling contour respectively arranged on a third panel edge and a fourth panel edge, the third coupling contour comprising ・ A horizontal tongue extending in a direction substantially parallel to the upper surface of the core material, ・ At least one second downward side surface located at a distance from the horizontal tongue, ・ And a second downward groove formed between the horizontal tongue and the second downward side surface, The fourth coupling contour comprising - A third groove configured to receive at least a part of the horizontal tongue of the third coupling profile of an adjacent panel, the third groove being defined by an upper lip and a lower lip, and an upward locking element being provided on the lower lip, The third coupling profile and the fourth coupling profile are configured such that two such panels can be coupled to each other by a rotational movement. In the coupled state, at least a part of the horizontal tongue of the first panel is inserted into the third groove of the adjacent second panel, and at least a part of the upward locking element of the second panel is inserted into the second downward groove of the first panel. The decorative panel according to any one of claims 1 to 15.

17. The decorative panel according to any one of claims 1 to 16, wherein the embossed structure includes a plurality of base layers and / or a plurality of raised pattern layers.

18. A method of manufacturing a decorative panel according to any one of claims 1 to 17, comprising: A) forming at least one decorative image on the upper surface of the core material by printing; B) attaching a liquid-based layer to at least a part of at least one decorative image formed during step A); C) selectively printing a plurality of embossing droplets onto the still liquid-based layer such that the thickness of the base layer changes at the positions where the embossing droplets are sprayed, and recesses are formed in the liquid-based layer at these positions; D) at least partially curing the base layer provided with the recesses; E) selectively printing a raised pattern layer formed by a plurality of raised portions onto the base layer; F) a method comprising at least partially curing the raised pattern layer.

19. During step C), the embossing droplets are printed onto the liquid-based layer according to a first digital template that is aligned with at least a part of at least one decorative image formed during step A), During step E), the raised pattern layer is printed onto the base layer according to a second digital template that is aligned with at least a part of at least one decorative image formed during step A). The method according to claim 18.

20. The method according to claim 19, wherein the first digital template is different from the second digital template.

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