CN116853140A - Luminous decoration, preparation method thereof and vehicle - Google Patents

Luminous decoration, preparation method thereof and vehicle Download PDF

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Publication number
CN116853140A
CN116853140A CN202310800747.4A CN202310800747A CN116853140A CN 116853140 A CN116853140 A CN 116853140A CN 202310800747 A CN202310800747 A CN 202310800747A CN 116853140 A CN116853140 A CN 116853140A
Authority
CN
China
Prior art keywords
light
transmitting
layer
transmitting part
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310800747.4A
Other languages
Chinese (zh)
Inventor
郝旭飞
陈志强
蒋宝林
张磊
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.)
Guangdong Huitian Aerospace Technology Co Ltd
Original Assignee
Guangdong Huitian Aerospace Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Huitian Aerospace Technology Co Ltd filed Critical Guangdong Huitian Aerospace Technology Co Ltd
Priority to CN202310800747.4A priority Critical patent/CN116853140A/en
Publication of CN116853140A publication Critical patent/CN116853140A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/1533—Constructional details structural features not otherwise provided for
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • 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
    • B32B2307/412—Transparent
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/1533—Constructional details structural features not otherwise provided for
    • G02F2001/1536—Constructional details structural features not otherwise provided for additional, e.g. protective, layer inside the cell

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The application relates to a luminous decoration, a preparation method thereof and a vehicle. The luminous decoration comprises a substrate, wherein the substrate comprises a light-transmitting part and a non-light-transmitting part, the light-transmitting part adopts light-transmitting plastics, and the non-light-transmitting part adopts non-light-transmitting plastics; the first metal coating is covered on the outer side surface of the non-light-transmitting part and is light-proof metal; an electroluminescent layer disposed on the inner surface of the light-transmitting portion; wherein: when the electroluminescent layer emits light, light is transmitted through the light-transmitting portion. The scheme provided by the application can be used for preparing the decorative piece which is simple in processing technology, simple in structure and light in weight, and the luminous effect is uniform and consistent.

Description

Luminous decoration, preparation method thereof and vehicle
Technical Field
The application relates to the technical field of automobile parts, in particular to a luminous decoration, a preparation method thereof and a vehicle.
Background
As the amount of vehicle maintenance continues to increase, users place greater demands on the appearance of the vehicle. The ornamental piece of the vehicle body has an intuitive influence on the vehicle appearance. In order to better adapt to the trend of the times, a great deal of innovative designs are made on the decorating parts on the automobile body, wherein the technology of combining the plastic parts of the automobile interior and exterior with photoelectricity is continuously emerging, and the decorating parts capable of emitting light are popular.
In the related art, in order to obtain a luminous effect of a decoration, a plastic housing that can transmit light is generally combined with an LED lamp group disposed in the housing, so as to obtain a luminous decoration. In addition, in order to form the effect of local luminescence, the light-proof paint is sprayed on the light-proof plastic shell integrally, then the area needing to emit light is engraved by adopting the laser engraving technology, and then the light-proof paint is sprayed on the engraved area; or shielding the light-emitting area in the light-permeable plastic shell, spraying the light-impermeable paint in the non-light-emitting area, shielding the light-emitting area, and spraying the light-permeable paint in the light-emitting area. However, when the thickness of paint sprayed on the light-emitting area is not uniform, uniformity of light emission is affected.
In addition, on the premise that the processing technology is very complicated, the fact that the size of the LED lamp set part serving as the light source is large is considered, so that a large space is required to be considered in the process of modeling design of the decoration and whole vehicle arrangement. Meanwhile, as the light emitting area increases, the LED lamp group increases, the overall weight of the garnish increases, and the rigidity and strength of the carried member are required to be further increased, for example, a heavy light emitting grille may cause a bumper of the vehicle to sink, so that a stable bracket needs to be added to the vehicle to secure sufficient support.
Disclosure of Invention
In order to solve or partially solve the problems in the related art, the application provides a luminous decoration piece, a preparation method thereof and a vehicle, and the luminous decoration piece can be provided with a simple structure, a simple process, light weight and uniform and consistent luminous effect.
A first aspect of the present application provides a luminescent trim piece comprising:
the base body comprises a light-transmitting part and a non-light-transmitting part, wherein the light-transmitting part is made of light-transmitting plastic, and the non-light-transmitting part is made of non-light-transmitting plastic;
the first metal coating is covered on the outer side surface of the non-light-transmitting part and is made of non-light-transmitting metal;
an electroluminescent layer provided on an inner surface of the light-transmitting portion; wherein:
when the electroluminescent layer emits light, light is transmitted from the light-transmitting portion.
In some embodiments, the luminescent decorative piece further comprises an adhesion layer, wherein the adhesion layer is positioned between the electroluminescent layer and the inner side surface of the substrate, so that the electroluminescent layer is attached to the inner side surface of the substrate.
In some embodiments, the light-emitting decoration piece further includes a second metal plating layer at least covering the outer side surface of the light-transmitting portion, and the second metal plating layer is a light-transmitting metal.
In some embodiments, the luminescent decorative piece further comprises an outer protective layer, the outer protective layer being located on an outer side of the second metal coating; and/or
The luminous decoration piece further comprises an inner protection layer, and the inner protection layer is attached to the inner side face of the electroluminescent layer.
In some embodiments, the first metal plating layer is an electroplated chromium layer; and/or the second metal coating is an electroplated indium layer.
In some embodiments, the light transmissive portion is polycarbonate and the non-light transmissive portion is an electroplating grade acrylonitrile-butadiene-styrene copolymer.
The second aspect of the present application provides a method for producing a luminescent ornament, comprising:
adopting light-transmitting plastic injection molding to prepare a light-transmitting part;
taking the light-transmitting part as an insert, and integrally injection-molding non-light-transmitting plastic to form a matrix, so that the matrix comprises the light-transmitting part and the non-light-transmitting part;
electroplating the outer side surface of the non-light-transmitting part by adopting non-light-transmitting metal to form a first metal coating;
and coating an electroluminescent material on the inner side surface of the light-transmitting part to form an electroluminescent layer.
In some embodiments, after plating the outer side and/or the inner side of the opaque portion with an opaque metal, the method further comprises:
and electroplating the outer side surface of the substrate with a light-transmitting metal to at least cover the outer side surface of the light-transmitting part to form a second metal coating.
In some embodiments, the spraying the electroluminescent material on the inner side of the substrate, before forming the electroluminescent layer, further includes:
spraying an adhesion material on the inner side surface of the matrix to form an adhesion layer; or (b)
And spraying an adhesion material on the inner side surface and the outer side surface of the matrix to form an adhesion layer on the inner side surface of the matrix and form an outer protection layer on the outer side surface of the matrix.
A third aspect of the present application provides a vehicle comprising the luminescent decorative member described above or a luminescent decorative member produced by the method of producing the luminescent decorative member described above.
The technical scheme provided by the application can comprise the following beneficial effects:
according to the technical scheme, the luminous decoration with consistency and uniform luminous efficiency can be quickly and batched manufactured, the process is simple, precise tube control is not needed, the production efficiency is improved, the production cost is low, the production rhythm is fast, and the yield is high. In addition, through the lamination structure, retrench whole space and quality, satisfy the design demand and the installation demand of product.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 is a schematic view showing a structure of a luminescent ornament according to an embodiment of the present application;
FIG. 2 is a schematic view showing a sectional structure at A-A of the luminescent trim piece shown in FIG. 1;
FIG. 3 is a schematic view showing a sectional structure at B-B of the luminescent trim piece shown in FIG. 1;
FIG. 4 is a schematic view showing the structure of another luminous trim piece according to an embodiment of the present application;
FIG. 5 is a schematic view showing a sectional structure at C-C of the luminescent trim piece shown in FIG. 4;
FIG. 6 is a schematic view showing a sectional structure at D-D of the luminescent trim piece shown in FIG. 4;
FIG. 7 is a schematic flow chart of a method for manufacturing a luminescent decoration according to an embodiment of the present application;
fig. 8 is a flow chart illustrating another method for manufacturing a luminescent decoration according to an embodiment of the present application.
Reference numerals:
a base body 10; a light transmitting portion 110; a light-impermeable portion 120; a first metal plating layer 20; an electroluminescent layer 30; a backing layer 310; a dielectric layer 320; a light emitting layer 330; a transparent conductive layer 340; a second metal plating layer 40; an adhesive layer 50; an inner protective layer 60; and an outer protective layer 70.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the related art, the whole structure of the luminous decoration piece occupies a large space, the manufacturing process is complex, and meanwhile, the luminous decoration piece is influenced by the paint spraying process and has unstable luminous quality.
In order to solve the above problems, the embodiment of the application provides a light-emitting decoration and a preparation method thereof, which can prepare a light-emitting decoration with a simplified structure and light weight, and has uniformity and consistency of light-emitting effect.
The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a luminescent decoration according to an embodiment of the present application includes a substrate 10, a first metal plating layer 20, and an electroluminescent layer 30. Wherein, the substrate 10 comprises a light-transmitting part 110 and a non-light-transmitting part 120, the light-transmitting part 110 is made of light-transmitting plastic, and the non-light-transmitting part 120 is made of non-light-transmitting plastic; the first metal plating layer 20 covers the outer side surface of the non-light-transmitting portion 120, and the first metal plating layer 20 is a non-light-transmitting metal; the electroluminescent layer 30 is disposed on the inner side of the light-transmitting portion 110; wherein: when the electroluminescent layer 30 emits light, light is transmitted from the light transmitting portion 110.
Depending on the mounting position of the light emitting garnish (hereinafter referred to as "garnish") in an actual product, the side of each layer structure of the light emitting garnish facing the outside is regarded as the outer side surface, whereas the side of each layer structure facing the inside is regarded as the inner side surface.
Specifically, the base 10 is a main body structure of the decoration, which has a main contour and shape designed by the decoration, and has a certain structural strength so as to meet the performance requirement of the practical application scene. In order to meet the requirement of the local luminous effect, the substrate 10 includes a light-transmitting portion 110 and a non-light-transmitting portion 120, i.e. the light-transmitting portion 110 can transmit light to form the luminous effect; the light-impermeable portion 120 cannot transmit light, and does not have a light-emitting effect. Therefore, the light-transmitting portion 110 is made of light-transmitting plastic, and the non-light-transmitting portion 120 is made of non-light-transmitting plastic, which are different in material, so that no additional oil spraying and shading process is required. By the design, the positions of the light-transmitting part 110 and the non-light-transmitting part 120 can be flexibly designed according to the requirements, the requirements of local luminous effect are met, and the processing efficiency is improved. Alternatively, the light-transmitting portion 110 may be polycarbonate, i.e., PC plastic, which has high mechanical properties to meet the strength requirements of the decorative piece on the substrate 10. Alternatively, the light transmitting part 110 may be an acrylonitrile-butadiene-styrene copolymer of an electroplating grade, i.e., an ABS plastic of an electroplating grade, so as to be attached by the first metal plating layer 20. The PC plastic cannot be attached to the first metal plating layer 20, so that the corresponding light emitting portion is not shielded from light by the first metal plating layer 20.
The first metal plating layer 20 may be plated to the outer side surface of the non-light-transmitting portion 120 through an electroplating process to form a metallic luster on the outer surface of the non-light-transmitting portion 120, improving the visual effect of the appearance. Wherein, the first metal that can be electroplated only on the non-light-transmitting portion 120, that is, the first metal cannot be combined with the surface of the light-transmitting portion 110, may be selected, so that the first metal plating layer 20 is prevented from shielding the light-transmitting portion 110. In order to make the first metal plating layer 20 completely cover the non-light-transmitting portion 120 and accurately avoid the light-transmitting portion 110, the material of the first metal plating layer 20 is a metal that can be bonded to the non-light-transmitting portion 120 but cannot be bonded to the material of the light-transmitting portion 110. For example, the first metal plating layer 20 is metal chromium, which may be plated on the surface of the plating-grade ABS material, but not on the surface of the PC material, so that the first metal plating layer 20 is formed only on the surface of the opaque portion 120, and thus the light-transmitting portion 110 is not shielded from light.
The electroluminescent layer 30 may be made of an electroluminescent material of the related art, and disposed on the inner side of the substrate 10 and entirely covers the inner side of the light-transmitting portion 110, i.e., the area of the electroluminescent layer 30 may be greater than or equal to the area of the light-transmitting portion 110. That is, when the electroluminescent layer 30 emits light, the light can be transmitted through the light-transmitting portion 110, and the non-light-transmitting portion 120 can block the light in the corresponding region, thereby achieving the effect of emitting light only in the light-transmitting portion 110. When the electroluminescent layer 30 does not emit light, the non-light-transmitting portion 120 has a metal-plated texture, and the light-transmitting portion 110 and the non-light-transmitting portion 120 have different visual effects, thereby forming a unique appearance effect as a whole.
As can be seen from the example, the luminous decoration piece has a simple structure and a more simplified processing technology, and can obtain the effect that the surface has metallic luster when not emitting light and only emits light at the partial light-transmitting part. Through the lamination structure, retrench whole space and quality, satisfy the design demand and the installation demand of product.
Further, referring to fig. 4 to 6, in order to make the light-transmitting portion 110 have metallic luster when the decoration is not emitting light, the decoration further includes a second metal plating layer 40, the second metal plating layer 40 covers at least an outer side surface of the light-transmitting portion 110, and the second metal plating layer 40 is a light-transmitting metal. That is, the use of a metal that transmits light can not only add metallic luster to the outer surface of the light-transmitting portion 110, but also prevent the light effect when the light-transmitting portion 110 emits light. Alternatively, the second metal coating 40 may be indium metal, and the specific metal material is only illustrated herein and not limited thereto.
Further, in order to adhere the electroluminescent layer 30 to the inner side of the substrate 10, in some embodiments, the decoration further includes an adhesion layer 50, and the adhesion layer 50 is located between the electroluminescent layer 30 and the inner side of the substrate 10, so that the electroluminescent layer 30 is adhered to the inner side of the substrate 10. Alternatively, the adhesion layer 50 may be a transparent varnish sprayed on the inner side of the substrate 10 and needs to completely cover the inner side of the transparent portion 110, so as to ensure that the electroluminescent layer 30 in contact with the transparent portion 110 can be tightly adhered by the adhesion layer 50, so as to avoid the problem of uneven light emission caused by gaps or wrinkles, and make the light efficiency uniform. Alternatively, when the varnish is sprayed on the inner side of the transparent portion 110, the varnish may be synchronously sprayed on the outer side surface of the second metal coating 40, so as to form an outer protective layer on the outer side of the second metal coating 40, thereby avoiding scratch abrasion of the second metal coating 40. It can be understood that the varnish used for the adhesive layer 50 is a light-transmitting material, so that the light effect of the light-transmitting portion 110 is not affected by the outer protective layer.
Further, in order to protect the electroluminescent layer 30, the decoration further includes an inner protective layer 60, and the inner protective layer 60 is attached to the inner side surface of the electroluminescent layer 30, so that abrasion of the electroluminescent layer 30 on the inner side is avoided when the decoration is mounted.
As can be seen from this example, the luminescent garnish according to the present application may have metallic luster not only on the outer surface of the non-light-transmitting portion but also on the outer surface of the light-transmitting portion according to design requirements. The design is such that the appearance of the light-transmitting portion and the non-light-transmitting portion has consistent metallic luster when not emitting light.
Referring to fig. 1, 2, 3 and 7, an embodiment of the present application further provides a method for manufacturing the light-emitting decoration, which includes:
s110, adopting light-transmitting plastic injection molding to prepare the light-transmitting part.
In this step, the light-transmitting plastic may be engineering plastic having a certain mechanical strength, such as polycarbonate PC plastic, and is transparent and light-transmitting plastic. The plastic is selected to quickly prepare the needed shape of the light-transmitting part through injection molding.
S120, taking the light-transmitting part as an insert, and integrally injection-molding the non-light-transmitting plastic to form a matrix, so that the matrix comprises the light-transmitting part and the non-light-transmitting part.
As shown in fig. 1, when the light-transmitting portion 110 is located at the middle position of the decoration, that is, the periphery of the light-transmitting portion, the light-transmitting portion 110 that has been molded may be inlaid into an injection mold of the non-light-transmitting portion 120 as an insert and injection-molded with non-light-transmitting plastic to form an integral structure, so that no assembly is required. In order to facilitate the subsequent smooth metal plating, the non-light transmitting plastic may be an electroplating grade ABS plastic.
In contrast, in other embodiments, when the non-transparent portion is located at the periphery of the transparent portion, in step S110, the non-transparent portion may be first made by injection molding of non-transparent plastic, in step S120, the molded non-transparent portion is used as an insert, and the non-transparent portion and the transparent plastic are integrally molded to form the substrate, and the transparent plastic is correspondingly molded to form the transparent portion.
S130, electroplating the outer side surface of the non-light-transmitting part by adopting non-light-transmitting metal to form a first metal coating.
In this step, the opaque metal used is a metal that can be plated on the surface of the opaque portion, but cannot be plated on the surface of the opaque portion, for example, metallic chromium, i.e., this step is selectively plated based on the characteristics of the material. Based on the fact that the non-transparent part cannot be electroplated by metal chromium, the substrate can be integrally placed in an electroplating pool, a layer of first metal plating layer 20 is electroplated on the inner side face, the outer side face and the detail of the non-transparent part 120, and the non-transparent part is uniform in overall thickness, uniform in gloss and convenient to process in an electroplating mode. By the design, the outer side surface of the light-tight metal has complete metallic luster, and the plating layer can improve the mechanical strength of the light-tight part.
And S140, coating an electroluminescent material on the inner side surface of the light-transmitting part to form an electroluminescent layer.
The electroluminescent layer 30 is generally composed of a plurality of layers of paint, and sequentially comprises a back plate layer 310, a dielectric layer 320, a light emitting layer 330 and a transparent conductive layer 340 from outside to inside, wherein each layer is provided with a corresponding paint, and the electroluminescent layer 30 is obtained by selecting a specific paint according to the related art and spraying the specific paint layer by layer. It is understood that the overall thickness of the electroluminescent layer is generally no more than 0.5 mm, which is lighter and structurally compact than the LED light fixture.
In this step, when the electroluminescent material is sprayed, the electroluminescent material is intensively sprayed on the inner side surface of the light-transmitting portion 110, so that the inner side surface of the light-transmitting portion 110 is ensured to be fully covered with the electroluminescent material. In addition, the inner side surface of the non-light-transmitting portion 120 is not required to be shielded, that is, when the electroluminescent material is sputtered to the inner side surface of the non-light-transmitting portion 120, the luminous effect of the decoration is not affected, so that the production process can be simpler.
Preferably, in order to make the electroluminescent material more firmly adhered to the inner side of the light-transmitting part 110, a varnish may be sprayed on the inner side of the light-transmitting part 110 before the electroluminescent material is sprayed, so as to enhance the adhesion of the light-transmitting part, and the adhesion layer 50 is formed. It can be understood that the varnish is transparent varnish, the thickness of the varnish does not need to be excessively controlled, and only the inner side surface of the transparent part is required to be fully covered, so that the production process is simplified.
After the adhesion layer 50 is formed by spraying varnish on the inner side of the light-transmitting portion, the electroluminescent material can be sprayed, so that the electroluminescent material is closely adhered to the inner side surface of the light-transmitting portion 110 to form a uniform electroluminescent layer 30, so that the light efficiency is more uniform.
Further, to protect the molded electroluminescent layer 30 from being intact, it further includes:
and S150, spraying protective paint on the inner side surface of the electroluminescent material to form an inner protective layer.
In this step, in order to save the production cost, the same varnish used for the adhesion layer 50 may be sprayed on the inner side surface of the substrate 10 to completely cover the electroluminescent layer 30, or may completely cover the entire inner side surface of the substrate 10 to form the inner protection layer 60, thereby protecting the inner side surface of the substrate 10. Of course, in other embodiments, different materials may be selected to form the inner protective layer, and the inner protective layer may be a light-transmitting material or an opaque material.
According to the example, the preparation method provided by the application can be used for rapidly and batchwise preparing the luminous decoration pieces with consistency and uniform luminous efficiency, the process is simple, fine tube control is not needed, the production efficiency is improved, the production cost is low, the production rhythm is fast, and the yield is high.
The luminous decoration piece prepared by the embodiment has electroplated metallic luster on the surface of the non-light-transmitting part, and the light-transmitting part is made of plastic material and forms visual difference with the non-light-transmitting part. When the electroluminescent layer is lighted, the position and outline of the light transmitting part can be displayed. When the electroluminescent layer is not on, the transparent portion has a partial hiding property, and the non-transparent portion 120 has a plated metal texture.
Referring to fig. 4, 5, 6 and 8, a method for manufacturing a luminescent decoration in another embodiment is described below. The difference between the present embodiment and the light-emitting decoration of the above embodiment is that the outer surface of the substrate of the present embodiment presents a consistent metallic texture.
S210, adopting light-transmitting plastic injection molding to prepare the light-transmitting part.
The step is the same as step S110, and will not be described again.
S220, taking the light-transmitting part as an insert, and integrally injection-molding the non-light-transmitting plastic to form a matrix, so that the matrix comprises the light-transmitting part and the non-light-transmitting part.
The step is the same as step S120, and will not be described again.
Similarly, in other embodiments (not shown), when the non-transparent portion is located at the periphery of the transparent portion, the non-transparent portion may be first made by injection molding of non-transparent plastic in step S210, and in step S220, the molded non-transparent portion is used as an insert, and the non-transparent portion and the transparent plastic are integrally molded to form the substrate, and the transparent plastic is correspondingly molded to form the transparent portion.
S230, electroplating the outer side surface of the non-light-transmitting part by adopting non-light-transmitting metal to form a first metal coating.
The step is the same as step S130, and will not be described again. Similarly, the entire substrate may be immersed in the plating layer for plating, and the plating layer is attached only to the surface of the light-impermeable portion, but not to the surface of the light-permeable portion.
S240, electroplating the outer side surface of the substrate by adopting light-transmitting metal so as to at least cover the outer side surface of the light-transmitting part, thereby forming a second metal coating.
As shown in fig. 4, in this step, in order to provide the transparent portion 110 with a metallic texture and appearance effect consistent with those of the non-transparent portion 120 when not emitting light, the second metal plating layer 40 may be formed by plating the outer side surface of the transparent portion 110 with a transparent metal. For example, indium may be plated on the outer surface of the light transmitting portion 110, which may be accomplished by vacuum plating, for example. By such a design, the appearance effect of uniform metal texture on the outer surface of the substrate 10 can be obtained.
In order to improve the processing efficiency, the second metal coating can cover the outer side surface of the non-light-transmitting part, namely, the second metal coating can cover the outer side surface of the first metal coating, and the second metal coating and the first metal coating have the same metal texture, so that shielding is not needed, and the production process is simple.
It should be noted that the metal of the second metal coating must be different from the metal of the first metal coating, have different light transmission properties, and have different adhesion properties on different plastics. Electroplating opaque chromium on the surface of the opaque ABS, wherein the chromium cannot be adhered on the surface of the PC; and light-transmitting indium is electroplated on the surface of the light-transmitting PC, so that the local light-transmitting effect of the luminous decoration and the metal texture effect of the whole appearance are realized.
S250, spraying an adhesion material on the inner side surface and the outer side surface of the substrate to form an adhesion layer on the inner side surface of the substrate and form an outer protection layer on the outer side surface of the substrate.
After the second metal coating is formed, in order to protect the second metal coating, for example, indium metal is easily worn, so as to avoid scratching the decorative element in practical use, in this step, the inner side surface of the substrate 10 may be sprayed with varnish to form the adhesion layer 50, and simultaneously, the outer side surface of the substrate 10 may be sprayed with varnish to encapsulate the second metal coating 40, thereby forming the outer protection layer 70.
That is, the transparent varnish can be sprayed on the whole inside and outside of the substrate 10 in this step, no shielding is needed, and no intentional control of the spraying thickness is needed, so long as the requirement that the inner side and the outer side of the substrate 10 are covered with the varnish is met, and the production process can be simpler.
And S260, coating an electroluminescent material on the inner side surface of the light-transmitting part to form an electroluminescent layer.
The step is the same as the step S140, and will not be described again. It will be appreciated that the electroluminescent layer 30 may be positioned so as to cover at least the inner side of the light-transmitting portion 110 completely.
And S270, spraying protective paint on the inner side surface of the electroluminescent material to form an inner protective layer.
The step is the same as step S150, and will not be described again.
In summary, in the embodiment, the luminous decoration prepared by the method of the application can obtain the appearance effect of consistent metal texture on the whole outer surface when not emitting light; when light is emitted, a visual effect of locally emitting light in the light transmitting portion can be obtained. The preparation method provided by the application has the advantages of simple process, easiness in management and control, high production efficiency and high yield, and can be used for obtaining the decorative piece with uniform luminous effect and high consistency for different individuals.
An embodiment of the present application further provides a vehicle, wherein the light-emitting decoration piece can be mounted on an interior or exterior of a vehicle body, and the light-emitting decoration piece is not limited herein. The luminous decoration piece based on the application is of a laminated structure, has small volume, small occupied space, light weight and certain mechanical strength, and can be flexibly arranged at the required position of a vehicle.
The specific implementation of the foregoing embodiments has been described in detail in the embodiments related to the method, and will not be described in detail herein.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A luminescent trim piece, comprising:
the base body comprises a light-transmitting part and a non-light-transmitting part, wherein the light-transmitting part is made of light-transmitting plastic, and the non-light-transmitting part is made of non-light-transmitting plastic;
the first metal coating is covered on the outer side surface of the non-light-transmitting part and is made of non-light-transmitting metal;
an electroluminescent layer provided on an inner surface of the light-transmitting portion; wherein:
when the electroluminescent layer emits light, light is transmitted from the light-transmitting portion.
2. A luminescent trim piece as defined in claim 1, further comprising an attachment layer between the electroluminescent layer and the interior side of the substrate to attach the electroluminescent layer to the interior side of the substrate.
3. A luminescent trim piece as defined in claim 1, further comprising a second metal coating layer covering at least an outer side surface of the light transmissive portion, the second metal coating layer being a light transmissive metal.
4. A luminescent trim piece as defined in claim 3, wherein:
the luminous decoration piece further comprises an outer protective layer, and the outer protective layer is positioned on the outer side face of the second metal coating; and/or
The luminous decoration piece further comprises an inner protection layer, and the inner protection layer is attached to the inner side face of the electroluminescent layer.
5. A luminescent trim piece as defined in claim 3, wherein:
the first metal plating layer is an electroplated chromium layer; and/or the second metal coating is an electroplated indium layer.
6. A luminescent trim piece as defined in any one of claims 1 to 5, wherein:
the light-transmitting part is polycarbonate, and the non-light-transmitting part is an electroplating-grade acrylonitrile-butadiene-styrene copolymer.
7. A method of making a luminescent trim piece, comprising:
adopting light-transmitting plastic injection molding to prepare a light-transmitting part;
taking the light-transmitting part as an insert, and integrally injection-molding non-light-transmitting plastic to form a matrix, so that the matrix comprises the light-transmitting part and the non-light-transmitting part;
electroplating the outer side surface of the non-light-transmitting part by adopting non-light-transmitting metal to form a first metal coating;
and coating an electroluminescent material on the inner side surface of the light-transmitting part to form an electroluminescent layer.
8. The method according to claim 7, further comprising, after plating the outer side surface and/or the inner side surface of the light-impermeable portion with an opaque metal:
and electroplating the outer side surface of the substrate with a light-transmitting metal to at least cover the outer side surface of the light-transmitting part to form a second metal coating.
9. The method according to claim 7 or 8, wherein the step of spraying the electroluminescent material on the inner side of the substrate to form the electroluminescent layer further comprises:
spraying an adhesion material on the inner side surface of the matrix to form an adhesion layer; or (b)
And spraying an adhesion material on the inner side surface and the outer side surface of the matrix to form an adhesion layer on the inner side surface of the matrix and form an outer protection layer on the outer side surface of the matrix.
10. A vehicle comprising the luminescent decorative piece according to any one of claims 1 to 6 or the luminescent decorative piece produced by the production method of any one of claims 7 to 9.
CN202310800747.4A 2023-06-30 2023-06-30 Luminous decoration, preparation method thereof and vehicle Pending CN116853140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310800747.4A CN116853140A (en) 2023-06-30 2023-06-30 Luminous decoration, preparation method thereof and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310800747.4A CN116853140A (en) 2023-06-30 2023-06-30 Luminous decoration, preparation method thereof and vehicle

Publications (1)

Publication Number Publication Date
CN116853140A true CN116853140A (en) 2023-10-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310800747.4A Pending CN116853140A (en) 2023-06-30 2023-06-30 Luminous decoration, preparation method thereof and vehicle

Country Status (1)

Country Link
CN (1) CN116853140A (en)

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