CN114536930A - Leather shell and preparation method thereof - Google Patents

Leather shell and preparation method thereof Download PDF

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Publication number
CN114536930A
CN114536930A CN202210063457.1A CN202210063457A CN114536930A CN 114536930 A CN114536930 A CN 114536930A CN 202210063457 A CN202210063457 A CN 202210063457A CN 114536930 A CN114536930 A CN 114536930A
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CN
China
Prior art keywords
leather
light
layer
light emitting
shell
Prior art date
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Pending
Application number
CN202210063457.1A
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Chinese (zh)
Inventor
梁少雄
姜飞发
梁婷
李健
李清平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Tarry Electronic Co ltd
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Dongguan Tarry Electronic Co ltd
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Publication date
Application filed by Dongguan Tarry Electronic Co ltd filed Critical Dongguan Tarry Electronic Co ltd
Priority to CN202210063457.1A priority Critical patent/CN114536930A/en
Publication of CN114536930A publication Critical patent/CN114536930A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0243—Mechanical details of casings for decorative purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a leather shell, which comprises a supporting shell, a leather part, a pattern layer and a light-emitting part, wherein the leather part is colored leather and has lower light transmittance, the light transmittance is 1% -50%, the leather part is positioned on a surface layer, and the light-emitting part is positioned between the supporting shell and the leather part; or the light emitting part is embedded in the supporting shell; or the supporting shell is positioned between the light-emitting part and the leather part; the pattern layer is positioned between the light-emitting part and the leather part, or the pattern layer and the light-emitting part are in a woven structure. In the leather shell, because the light transmittance of the leather part is low, only the natural color of the leather is displayed under an external light source, the color effect of the pattern layer can be transmitted out of the leather part under the action of the luminous part, and the appearance visual form of novelty and dynamic sense can be given to the leather shell by changing the color, strength, rhythm and the like of the luminous part. Under the action of the light emitting part, the pattern/color can be visualized outside the leather part, and the leather part is used as the surface layer, so that the leather material of the product has comfortable hand feeling.

Description

Leather shell and preparation method thereof
Technical Field
The invention relates to the technical field of shells, in particular to a leather shell and a preparation method thereof.
Background
Products such as smart phones, smart speakers and smart homes have strong demands for shells with beautiful appearances and good touch feeling. The existing solutions for attaching the leather to the plastic, the composite material and the wood can bring the flexible touch of the leather, but the leather has the defects of monotonous color, less change, dynamic feeling and fresh feeling. In addition, some companies add appropriate appearance-modifying features to the housing. The appearance of the thin-wall shell is usually presented in the mode of color texture, paint spraying, pattern printing and other texture thin slices (leather, wood veneer and texture film) of the material, and visual effect and touch feeling are given to the thin-wall shell, but the appearance of the thin-wall shell is monotonous and unchanged. In addition, in recent years, an optical texture film is added, transparent leather is arranged on the surface of a shell, and the appearance effect is realized by showing a pattern layer through an external light source, but the optical texture film and the shell both rely on the external light source to obtain respective design appearances through reflection, refraction and diffraction, and cannot show dynamic appearances under the condition of no external light source.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a leather shell, which comprises a supporting shell, a leather part, a pattern layer and a light-emitting part, wherein the leather part is colored leather and has lower light transmittance which is 1-50 percent, the leather part is positioned on a surface layer,
the light emitting part is positioned between the support shell and the leather part; or the light emitting part is embedded into the supporting shell; or the support housing is located between the light emitting part and the leather part;
the pattern layer is located between the light emitting part and the leather part, or the pattern layer and the light emitting part are in a woven structure.
Correspondingly, the invention also provides a preparation method of the leather shell, which comprises the following steps:
(1) providing a leather part, a supporting shell, a pattern layer and a light-emitting part;
(2) disposing the light emitting portion between the support case and the leather portion; or the light emitting part is embedded into the supporting shell; or the support case is disposed between the light emitting part and the leather part;
(3) the pattern layer is arranged between the light-emitting part and the leather part, or the pattern layer and the light-emitting part are embedded into the support shell after being in a woven structure.
Compared with the prior art, the leather shell provided by the invention has the advantages that the leather part on the surface layer is colored leather and has lower light transmittance which is 1% -50%, the color effect of the pattern layer can be transmitted out of the leather part under the action of the light-emitting part, and the novel and dynamic appearance visual form is given to the leather shell by changing the color, strength and change rhythm of the light-emitting part. And the pattern layer is located between the leather part and the luminous part, because the light transmittance of the leather is low, only the natural color of the leather is displayed under an external light source, the pattern/color can be visualized outside the leather part under the action of the luminous part, and the surface layer is the leather part, so that the leather material of the product has comfortable hand feeling.
Drawings
Fig. 1 shows a schematic structural view of a first embodiment of the leather housing of the present invention.
Fig. 2 shows a schematic structural view of a second embodiment of the leather housing of the present invention.
Fig. 3 shows a schematic structural view of a third embodiment of the leather housing of the present invention.
Fig. 4 shows a schematic structural view of a fourth embodiment of the leather housing of the present invention.
Fig. 5 shows a schematic structural view of a fifth embodiment of the leather housing of the present invention.
Fig. 6 shows a schematic structural view of a sixth embodiment of the leather housing of the present invention.
FIG. 7 shows a top view of the support housing in the leather housing of FIG. 6.
Description of the symbols:
the LED display panel comprises a supporting shell 10, a rubber film layer 20, a leather part 30, a colored PU layer 31, a light-transmitting TPU layer 33, a colored silica gel layer 35, a fiber cloth layer 37, a pattern layer 50 and a light-emitting part 70.
Detailed Description
Referring to fig. 1 to 7, the present invention provides a leather case, which includes a supporting case 10, a leather portion 30, a pattern layer 50, and a light emitting portion 70, wherein the leather portion 30 is a colored leather and has a low light transmittance, the light transmittance is 1% to 50%, the leather portion 30 is located on a surface layer, and the light emitting portion 70 is located between the supporting case 10 and the leather portion 30; or the light emitting part 70 is embedded in the support case 10; or the support case 10 is located between the light emitting part 70 and the leather part 30; the pattern layer 50 is located between the light emitting part 70 and the leather part 30, or the pattern layer and the light emitting part are in a woven structure. The concrete description is as follows:
regarding the leather portion 30, the leather portion 30 may be, but is not limited to, polyurethane leather, silicone leather. The leather portion 30 is located at the outermost layer, and gives a comfortable hand feeling to the leather of the product. The leather portion 30 is colored leather and has a low light transmittance of 1% to 50%, for example, the light transmittance of the leather portion 30 may be, but is not limited to, 1%, 2%, 5%, 10%, 15%, 20%, 30%, 40%, 50%. The leather part 30 is colored leather, and is mainly used for distinguishing transparent leather, when the product adopts the colored leather, only external light irradiates, only the appearance of the colored leather is displayed, and the pattern or color on the inner side of the leather part 30 is not displayed; the pattern or color inside the leather portion 30 is changed by the light emitting portion 70.
It should be noted that the leather portion 30 may be a single layer or a composite layer, the composite leather at least includes a colored leather and may also include a light-transmitting leather, where the light-transmitting leather has a certain transmittance for light to pass through, and the specific transmittance may be set according to actual needs. The pattern layer 50 may be located in the composite leather, and the light emitting part 70 may also be located in the composite leather. Specifically, when the leather portion 30 is made of polyurethane leather, the single-layer leather is the colored PU layer 31, and the light transmittance of the colored PU layer 31 is 1% to 50%. More preferably, the leather portion 30 is a composite layer including a colored PU layer 31 and a light-transmitting TPU layer 33 on the surface and inside thereof. When the leather portion 30 is made of silicone leather, the leather portion 30 includes a composite layer including a colored silicone layer 35 and a fiber cloth layer 37.
The support case 10 has a certain load-bearing function, and the support case 10 may be a separate body, or both the pattern layer 50 and the light emitting part 70 may be embedded in the support case 10. In one embodiment, the support housing 10 is made by hot-press molding of fiber prepreg. The resin in the fiber prepreg can be, but is not limited to, epoxy resin, modified epoxy resin, unsaturated polyester and modified resin thereof, and epoxy resin is preferably used. The fiber can be, but not limited to, glass fiber, carbon fiber, aramid fiber, ultra-high molecular weight polyethylene fiber, alumina fiber, and preferably glass fiber. In another embodiment, the support housing 10 is obtained by hot-pressing and molding a prepreg of the electroluminescent fiber and glass fiber hybrid fabric, the electroluminescent fiber forms the light-emitting part 70, and the woven pattern of the electroluminescent fiber and glass fiber hybrid fabric forms the pattern layer 50. That is, the pattern layer 50 and the light emitting part 70 are woven, and the pattern layer 50 and the light emitting part 70 are embedded in the support housing 10, and at this time, the support housing 10 is a light-transmitting structure, and the electroluminescent fiber is connected to a power supply. When the power is not supplied, the appearance of the product only has the appearance of colored leather and the touch of leather, and when the power is supplied, the appearance of the product can display the knitting lines of the electroluminescent fibers (namely, the pattern layer 50) through the leather part 30. By the control of the weaving method, the power supply and the controller, the effects of various colors, textures and flickering dynamic sense can be realized. In another embodiment, the supporting housing 10 is made of transparent plastic particles by injection molding, the adhesive film layer 20 with a transparent structure is disposed between the leather portion 30 and the supporting housing 10, and the leather portion 30, the adhesive film layer 20 and the supporting housing 10 are tightly pressed and attached together by one or a combination of positive pressure, negative pressure and heating.
It should be noted that the support housing 10 may be a light-transmitting structure, or may be a non-light-transmitting structure (i.e., a light-shielding structure), and whether or not a light-transmitting structure is necessary may be selected according to the installation positions of the pattern layer 50 and the light-emitting portion 70. When the light emitting part 70 needs to irradiate the pattern layer 50 through the support housing 10, the support housing 10 is a light-transmitting structure. If the pattern layer 50 and the light emitting part 70 are both located on the side of the supporting housing 10 close to the leather part 30, the supporting housing 10 may be a light-transmitting structure or a non-light-transmitting structure. When the pattern layer 50 and the light emitting part 70 are embedded in the support housing 10 in a woven structure, the support housing 10 is in a light transmitting structure.
With respect to the pattern layer 50, the pattern layer 50 may be, but is not limited to, an ink texture pattern, a Logo pattern, a laser engraved pattern, and a woven texture of a fiber hybrid. Under the irradiation of the light emitting part 70, the product appearance may show the pattern layer 50 through the leather part 30 and/or the support case 10. The position of the pattern layer 50 is selected according to the position of the light emitting section 70. For example, the pattern layer 50 is located between the light emitting part 70 and the leather part 30, and the pattern layer 50 appears by irradiation of the light emitting part 70. It should be understood that the pattern layer 50 should be located above the light emitting part 70, that is, the pattern layer 50 is located closer to the leather part 30 than the light emitting part 70, or the pattern layer 50 and the light emitting part 70 are woven and embedded into the supporting housing 10, so that not only a thin product can be made, but also a significant light and dark woven texture can be obtained.
More specifically, the leather portion 30 includes a colored PU layer 31 and a light-transmitting TPU layer 33 on the surface and inside, in one embodiment, the light-transmitting TPU layer 33 is sequentially stacked on the supporting housing 10, the pattern layer 50 and the light-emitting portion 70, and the supporting housing 10 is in a light-transmitting structure. In another embodiment, the pattern layer 50 is located between the colored PU layer 31 and the light-transmissive TPU layer 33, and the light-emitting part 70 is located between the support housing 10 and the light-transmissive TPU layer 33. In another embodiment, the pattern layer 50 is located between the colored PU layer 31 and the light-transmitting TPU layer 33, the support housing 10 is located between the light-emitting part 70 and the light-transmitting TPU layer 33, and the support housing 10 is a light-transmitting structure.
The light emitting section 70 serves as a light source, and the pattern layer 50 can be displayed through the leather section 30 and/or the support case 10 after light emission by the light emitting section 70. The light emitting unit 70 may emit light spontaneously or after being connected to a power source. In one embodiment, the light emitting unit 70 includes a light guiding TPU layer made of a light guiding TPU material and a light emitting unit disposed on a side surface of the light guiding TPU layer, the light guiding TPU layer is disposed between the pattern layer 50 and the supporting housing 10, and the light emitting unit is connected to a power supply. That is to say, the luminous bodies are arranged on the side surfaces of the periphery of the light guide TPU layer, one of the side surfaces can be arranged, or the plurality of side surfaces are all provided with the luminous bodies, the luminous bodies emit light after being electrified, and the light is brought into the shell through the light guide TPU layer to emit the light. In another embodiment, the light emitting part 70 is made of electroluminescent fiber material, and the light emitting part 70 can emit light after being connected to a power source. Of course, the light emitting unit 70 may be made of other material that can emit light after power is turned on, and the present invention is not limited to this. The light emitting unit 70 is provided on the side of the support case 10 close to the leather 30, on the side of the support case 10 far from the leather 30, or embedded in the support case 10. It should be further understood that the light emitting part 70 is disposed on one side of the supporting housing 10 close to the leather part 30, the light emitting part 70 may be disposed directly on the upper surface of the supporting housing 10, or the light emitting part 70 may be disposed above the supporting housing 10, and the pattern layer 50 is disposed between the light emitting part 70 and the supporting housing 10.
The leather shell and the method for making the same according to the invention are illustrated in the following by means of several specific examples, with reference to figures 1 to 7.
Example 1
Referring to fig. 1, the leather case includes a leather portion 30, a supporting case 10, a pattern layer 50 and a light emitting portion 70 in sequence from the inside to the outside; the leather portion 30 comprises a surface layer 31 and an inner layer 33 which are overlapped, the light transmittance of the colored PU layer 31 is 5%, and the supporting shell 10 is of a light-transmitting structure.
The preparation method of the leather shell comprises the following steps:
and (3) laying the colored PU layer 31, the light-transmitting TPU layer 33 and 4 layers of glass fiber prepreg together to form the thin-wall part composite material. The colored PU layer 31 is stacked on one side of the light-transmitting TPU layer 33, the 4 layers of glass fiber prepregs are stacked on the other side of the light-transmitting TPU layer 33, and the resin in the fiber prepregs is selected from light-transmitting epoxy resin;
and (3) placing the thin-wall part composite material in a mould, heating and pressurizing the mould and the material to enable the epoxy resin in the prepreg to generate a crosslinking curing reaction, and tightly bonding the light-transmitting PU leather and the glass fiber together to obtain a thin-wall part product. Wherein the cured light-transmitting epoxy resin and the glass fiber together form a support shell 10 with structural mechanical properties;
the light-transmitting leather thin-wall shell is obtained by processing the thin-wall product through one or more modes of punching, CNC, laser cutting, water cutting and the like, patterns and Logo are printed on the back surface of the light-transmitting leather thin-wall shell through a UV printing method, the patterns and the Logo form a pattern layer 50, and then the light-emitting part 70 is arranged on the pattern layer 50. In the case where the light emitting part 70 does not emit light, the product appearance is only the appearance of the colored PU layer 31 and the leather feeling, and when the light emitting part 70 emits light, the product appearance can display the ink pattern and Logo through the leather part 30 and the support housing 10.
Example 2
Referring to fig. 2, the leather case includes a leather portion 30, a supporting case 10, a pattern layer 50, and a light emitting portion 70; leather portion 30 is by table and interior painted PU layer 31 and the printing opacity TPU layer 33 of overlapping, and the luminousness of painted PU layer 31 is 20%, and pattern layer 50 is located between painted PU layer 31 and the printing opacity TPU layer 33, and the support casing 10 and illuminating part 70 are established in proper order to the printing opacity TPU layer 33 stack, and support casing 10 is light-transmitting structure.
The preparation method of the leather shell comprises the following steps:
coating printing ink on one side of the light-transmitting TPU layer 33 to form a pattern layer 50, and laying a coloring PU layer 31 on the surface of the pattern layer 50 to prepare a first part;
the other side of the light transmitting TPU layer 33 in the first part is laid together with 2 layers of coarse grain glass fiber prepreg to form a thin-walled part composite. Wherein the resin in the fiber prepreg is selected from light-transmitting epoxy resin;
and (3) placing the thin-wall part composite material in a mould, heating and pressurizing the mould and the material to enable the epoxy resin in the prepreg to generate a crosslinking curing reaction, and tightly bonding the light-transmitting PU leather and the glass fiber together to obtain a thin-wall part product. Wherein the cured light-transmitting epoxy resin and the glass fiber together form a support shell 10 with structural mechanical properties;
the thin-walled article is processed by one or more of punching, CNC, laser cutting, water cutting, etc. to obtain a light-transmitting leather thin-walled shell, and a light source is provided on the back of the light-transmitting leather thin-walled shell to form a light-emitting part 70. In the case where the light emitting part 70 does not emit light, the product appearance is only the appearance of the colored PU layer 31 and the feel of the leather, and when the light emitting part 70 emits light, the product appearance can show the ink grain pattern and the coarse grid grain of the glass cloth through the leather part 30 and the support case 10.
Example 3
Referring to fig. 3, the leather case includes a leather portion 30, a pattern layer 50, a light emitting portion 70 and a supporting case 10; leather portion 30 is colored PU layer 31, and colored PU layer 31 is folded in proper order and is equipped with pattern layer 50, illuminating part 70 and support casing 10, and the luminousness on colored PU layer 31 is 10%, and illuminating part 70 includes leaded light TPU layer and sets up the luminous body in leaded light TPU layer side, and support casing 10 is the light-shading structure.
The preparation method of the leather shell comprises the following steps:
coating ink on the upper surface of the light guide TPU layer to form a pattern layer 50, laying a colored PU layer 31 on the surface of the pattern layer 50, and arranging luminous bodies on any one or more sides of the four side surfaces of the light guide TPU layer to obtain a first part;
and (3) laying the lower surface of the light guide TPU layer in the first part together with 4 layers of glass fiber prepreg to form the thin-walled part composite material. Wherein the resin in the fiber prepreg is selected from coloring epoxy resin;
and placing the thin-wall part composite material in a mold, heating and pressurizing the mold and the material to enable the epoxy resin in the prepreg to generate a crosslinking curing reaction, and tightly bonding the light guide TPU layer and the glass fiber together to obtain a thin-wall part product. Wherein, the cured shading epoxy resin and the glass fiber together form a supporting shell 10 with structural mechanical property;
and processing the thin-wall part product by one or more of modes such as punching, CNC, laser cutting, water cutting and the like to obtain the light-transmitting leather thin-wall shell. Wherein, the luminous body is electrically connected with the power supply. When the luminous body emits light, the light guide TPU layer guides the light into the shell, and the appearance of the product can display the ink texture pattern and logo through the leather part 30.
Example 4
Referring to fig. 4, the leather case includes a leather portion 30, a supporting case 10, a pattern layer 50 and a light emitting portion 70 in sequence from the inside to the outside; the leather portion 30 includes a coloring silica gel layer 35 and a fiber cloth layer 37 stacked in the surface and the inner, the light transmittance of the coloring silica gel layer 35 is 7%, and the supporting shell 10 is in a light-transmitting structure.
The preparation method of the leather shell comprises the following steps:
the colored silica gel leather, the fiber cloth layer 37 and 8 layers of glass fiber prepreg are laid together to form the thin-wall part composite material. The colored silica gel leather is stacked on one side of the fiber cloth layer 37, 8 layers of glass fiber prepreg are stacked on the other side of the fiber cloth layer 37, and resin in the fiber prepreg is selected from light-transmitting epoxy resin;
and placing the thin-wall part composite material in a mold, heating and pressurizing the mold and the material to enable the epoxy resin in the prepreg to generate a crosslinking curing reaction, and tightly bonding the colored silica gel leather and the glass fiber together to obtain a cured thin-wall part product. Wherein the cured light-transmitting epoxy resin and the glass fiber together form a support shell 10 with structural mechanical properties;
the light-transmitting leather thin-wall shell is obtained by processing the thin-wall product through one or more modes of punching, CNC, laser cutting, water cutting and the like, patterns and Logo are carved on the back surface of the light-transmitting leather thin-wall shell through a laser carving method, the patterns and the Logo form a pattern layer 50, and then the light-emitting part 70 is arranged on the pattern layer 50. In the case where the light emitting part 70 does not emit light, the product appearance is only the appearance of the colored PU layer 31 and the feel of the leather, and when the light emitting part 70 emits light, the product appearance can show the ink pattern, Logo, and the lattice texture of the fiber cloth layer 37 through the leather part 30 and the support case 10.
Example 5
Referring to fig. 5, the leather case includes a leather portion 30, a supporting case 10, a pattern layer 50, and a light emitting portion 70; leather portion 30 is by table and interior painted PU layer 31 and the printing opacity TPU layer 33 of establishing including folding, and the luminousness on painted PU layer 31 is 25%, and pattern layer 50 is located between painted PU layer 31 and the printing opacity TPU layer 33, and printing opacity TPU layer 33 is folded in proper order and is established glued membrane layer 20, support casing 10 and illuminating part 70, and glued membrane layer 20 and support casing 10 all are light-transmitting structure.
The preparation method of the leather shell comprises the following steps:
the transparent plastic particles are injected into a transparent plastic thin shell as a supporting shell 10 by adopting an injection molding process;
coating printing ink on one side of the light-transmitting TPU layer 33 to form a pattern layer 50, and laying a coloring PU layer 31 on the surface of the pattern layer 50 to prepare a first part;
coating a light-transmitting adhesive film on the other side of the light-transmitting TPU layer 33 in the first part to compound a leather adhesive film material, and processing the leather adhesive film material into a leather adhesive film sheet in modes of punching, laser cutting and the like;
the leather adhesive film sheet and the supporting shell 10 are tightly pressed and attached together by one or a combination of several modes of positive pressure, negative pressure, heating and the like, so as to obtain the light-transmitting leather thin-wall shell, and the light-emitting part 70 is arranged on the back surface of the light-transmitting leather thin-wall shell. When the light emitting part 70 does not emit light, the appearance of the product is only the appearance and the feel of the leather of the colored PU layer 31, and when the light emitting part 70 emits light, the appearance of the product can show an ink grain pattern through the leather part 30.
Example 6
Referring to fig. 6-7, the leather housing includes a leather portion 30, a supporting housing 10, a pattern layer 50 and a light emitting portion 70; the leather portion 30 includes a colored PU layer 31 and a light-transmitting TPU layer 33 stacked on the surface and the inner side, the light transmittance of the colored PU layer 31 is 7%, the supporting housing 10 is of a light-transmitting structure, and the pattern layer 50 and the light-emitting portion 70 are of a woven structure and are embedded in the supporting housing 10.
The preparation method of the leather shell comprises the following steps:
the colored PU layer 31 and the light-transmitting TPU layer 33 are laid together with the pre-impregnated material of the electroluminescent fiber and glass fiber hybrid fabric to form the thin-wall part composite material. The colored PU layer 31 is stacked on one side of the light-transmitting TPU layer 33, the electroluminescent fiber and glass fiber hybrid fabric prepreg is stacked on the other side of the light-transmitting TPU layer 33, and the resin in the fiber prepreg is selected from light-transmitting epoxy resin;
and placing the thin-wall part composite material in a mold, heating and pressurizing the mold and the material to enable the epoxy resin in the prepreg to generate a crosslinking curing reaction, and tightly bonding the light-transmitting PU leather, the electroluminescent fiber and the glass fiber hybrid fabric together to obtain a cured thin-wall part product. The cured light-transmitting epoxy resin, the electroluminescent fiber and the glass fiber mixed fabric jointly form the supporting shell 10 with structural mechanical property, meanwhile, the electroluminescent fiber forms the light-emitting part 70, and the woven patterns of the electroluminescent fiber and the glass fiber mixed fabric form the pattern layer 50;
and processing the thin-wall part product by one or more of modes such as punching, CNC, laser cutting, water cutting and the like to obtain the light-transmitting leather thin-wall shell. Wherein the electroluminescent fiber is connected to a power source. When the light-emitting part 70 does not emit light, the appearance of the product is only the appearance and the leather touch of the colored PU layer 31, and when the light-emitting part 70 emits light, the appearance of the product can show the knitting lines of the electroluminescent fibers through the leather part 30. In addition, the effects of various colors, textures and flickering and dynamic feeling can be realized through the control of the weaving method, the power supply and the controller.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims (10)

1. A leather shell is characterized by comprising a supporting shell, a leather part, a pattern layer and a light-emitting part, wherein the leather part is colored leather and has lower light transmittance, the light transmittance is 1% -50%, the leather part is positioned on a surface layer,
the light emitting part is positioned between the support shell and the leather part, or the light emitting part is embedded into the support shell, or the support shell is positioned between the light emitting part and the leather part;
the pattern layer is located between the light emitting part and the leather part, or the pattern layer and the light emitting part are in a woven structure.
2. The leather housing of claim 1, wherein the leather portion comprises a colored PU layer and a light transmissive TPU layer on both the top and bottom surfaces.
3. The leather housing of claim 2, wherein the light-transmissive TPU layer is sequentially stacked on the support housing, the pattern layer and the light-emitting portion, and the support housing is a light-transmissive structure.
4. The leather housing of claim 2, wherein the pattern layer is located between the colored PU layer and the light transmissive TPU layer,
the light emitting part is positioned between the supporting shell and the light-transmitting TPU layer; or the supporting shell is positioned between the light-emitting part and the light-transmitting TPU layer, and the supporting shell is of a light-transmitting structure.
5. The leather housing of claim 1, wherein the leather portion comprises a colored PU layer, the colored PU layer is sequentially stacked with the pattern layer, the light emitting portion and the supporting housing, the light emitting portion comprises a light guide TPU layer and a light emitting body disposed at a side of the light guide TPU layer, and the light guide TPU layer is disposed between the pattern layer and the supporting housing.
6. The leather casing of claim 1, wherein the leather portion comprises a surface layer and an inner layer, and a colored silica gel layer and a fiber cloth layer, the fiber cloth layer is sequentially stacked on the supporting casing, the pattern layer and the light emitting portion, and the supporting casing is of a light-transmitting structure.
7. The leather cover of claim 1, wherein said support cover is made from a fibrous prepreg by thermoforming.
8. The leather casing of claim 3, wherein a light-transmitting structural adhesive layer is disposed between the light-transmitting TPU layer and the support casing, and the support casing is made of light-transmitting plastic particles by injection molding.
9. The leather case according to claim 1, wherein the support case is obtained by hot press molding a prepreg of an electroluminescent fiber and a glass fiber hybrid fabric, the electroluminescent fiber forms the light emitting portion, and the woven pattern of the electroluminescent fiber and the glass fiber hybrid fabric forms a patterned layer.
10. A process for the preparation of a leather shell according to any of claims 1 to 9, comprising the steps of:
(1) providing a leather part, a supporting shell, a pattern layer and a light-emitting part;
(2) disposing the light emitting portion between the support case and the leather portion; or the light emitting part is embedded into the supporting shell; or the support case is disposed between the light emitting part and the leather part;
(3) the pattern layer is arranged between the light emitting part and the leather part, or the pattern layer and the light emitting part are embedded into the support shell after being in a woven structure.
CN202210063457.1A 2022-01-19 2022-01-19 Leather shell and preparation method thereof Pending CN114536930A (en)

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