TW202311084A - Automotive ornament and manufacturing method thereof - Google Patents

Abstract

An automotive ornament includes a circuit board, a substrate, a light-emitting element, a surface decoration layer and a pressure sensing element. The substrate is arranged on the circuit board. The light-emitting element is arranged between the circuit board and the substrate, and the light-emitting element is electrically connected to the circuit board. The surface decoration layer covers the substrate. The surface decoration layer covers the pressure sensing element. The pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure sensing of the pressure sensing element makes the light emitting element emit light. A manufacturing method of automotive ornament is also provided.

Description

Automotive trim and manufacturing method thereof

The present invention relates to a decorative part and its manufacturing method, and in particular to an automobile decorative part and its manufacturing method.

Automobile decoration is one of the commonly used automobile components. In the prior art, the visual effect of the automobile decoration is often only emphasized, and the functional design thereof is ignored. Furthermore, in order to meet the actual needs of users, the practicability of car decorations is gradually being valued, so how to design a car decoration that can enhance the visual effect and have both practicality is a challenge.

The invention provides an automobile decoration part and a manufacturing method thereof, which can improve the visual effect and also have practical means.

An automobile decoration of the present invention includes a circuit board, a base, a light emitting element, a surface decoration layer and a pressure sensing element. The base is set on the circuit board. The light emitting element is arranged between the circuit board and the base, and the light emitting element is electrically connected with the circuit board. The surface finishing layer covers the base. The surface decoration layer covers the pressure sensing element. The pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure sensing of the pressure sensing element makes the light emitting element emit light, vibrate or sound feedback.

In an embodiment of the present invention, the above-mentioned car decoration further includes an adhesive layer. The adhesive layer is disposed between the surface decoration layer and the base.

In an embodiment of the present invention, the above-mentioned light emitting element is a micro light emitting element in the circuit board.

In an embodiment of the present invention, the above-mentioned pressure sensing element penetrates the substrate.

In an embodiment of the present invention, the above-mentioned automotive trim further includes a textured layer. The textured layer includes a textured pattern. The surface decoration layer covers the texture pattern, and the texture layer has a lower stretching degree than the surface decoration layer.

In an embodiment of the present invention, the textured layer is disposed between the base and the surface decoration layer or the textured layer is disposed between the base and the circuit board.

In an embodiment of the present invention, the above-mentioned surface decoration layer includes translucent leather, translucent leather, opaque leather, adhesive film, imitation wood veneer, real wood veneer, leather with gradient color or adhesive film with gradient color.

In an embodiment of the present invention, the above-mentioned car decoration further includes a light-blocking bracket surrounding the light-emitting area of the light-emitting element.

In an embodiment of the present invention, the above-mentioned car decoration further includes a light-transmitting mark, wherein the light emitted by the light-emitting element exits the surface decoration layer through the light-transmitting mark to display the light-transmitting mark.

A method for manufacturing an automotive trim of the present invention at least includes the following steps. A substrate is provided, wherein the substrate has opposing first and second surfaces. The pressure sensing element is arranged in the base. The surface finish is stretched such that the surface finish wraps around at least the substrate. The circuit board is arranged on the second surface, wherein the circuit board has a light-emitting element, the pressure sensing element is electrically connected to the light-emitting element through the circuit board, and the light-emitting element makes the light-emitting element emit light through the pressure sensing of the pressure sensing element , vibration or sound feedback effects.

Based on the above, due to the light-transmitting properties of the surface decoration layer, the base of the automotive trim of the present invention can enhance the visual effect by covering the surface decoration layer. In addition, the pressure sensing element is covered by the surface decoration layer, and the pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure sensing of the pressure sensing element makes the light emitting element emit light, which can make the automobile of the present invention Decorative parts can enhance the visual effect and be practical at the same time.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail together with the accompanying drawings.

Directional terms (eg, up, down, right, left, front, back, top, bottom) as used herein are used pictorially for reference only and are not intended to imply absolute orientation.

Any method described herein is in no way intended to be construed as requiring performance of its steps in a particular order, unless expressly stated otherwise.

The present invention will be described more fully with reference to the drawings of this embodiment. However, the present invention can also be embodied in various forms and should not be limited to the embodiments described herein. The thickness, size or magnitude of layers or regions in the drawings may be exaggerated for clarity. The same or similar reference numbers indicate the same or similar elements, and the following paragraphs will not repeat them one by one.

FIG. 1A is a flow chart showing the steps of a method for manufacturing an automotive trim according to an embodiment of the present invention. FIG. 1B is a schematic partial cross-sectional view of an automotive trim according to an embodiment of the present invention. Please refer to FIG. 1A and FIG. 1B , the automotive trim 100 of this embodiment includes a substrate 110 , a pressure sensing element 120 , a surface decoration layer 130 , a light emitting element 140 and a circuit board 170 , and is manufactured at least through the following steps. A substrate 110 is provided, wherein the substrate 110 has a first surface 110 a and a second surface 110 b opposite to each other (step S100 ). Disposing the pressure sensing element 120 in the substrate 110 (step S200). The surface decoration layer 130 is stretched so that the surface decoration layer 130 at least covers the substrate 110 (step S300 ). The circuit board 170 is disposed on the second surface 110b, wherein the circuit board 170 has a light emitting element 140, the pressure sensing element 120 is electrically connected to the light emitting element 140 through the circuit board 170, and the light emitting element 140 is connected to the light emitting element 140 through the pressure sensing element. The pressure sensing of 120 makes the light emitting element 140 emit light, vibrate or sound feedback (step S400). Here, the pressure sensing element 120 may have a press-delay start function, but the invention is not limited thereto.

In some embodiments, the base 110 is provided with a fixing groove for placing the pressure sensing element 120, and the pressure sensing element 120 may be flush with the top surface of the base 110, but the invention is not limited thereto.

Furthermore, the substrate 110 of this embodiment is disposed on the circuit board 170, the light emitting element 140 is disposed between the circuit board 170 and the substrate 110, and the light emitting element 140 is electrically connected to the circuit board 170, and the surface decoration layer 130 is disposed on In the base 110 , accordingly, due to the light-transmitting properties of the surface decoration layer 130 , the base 110 of the automobile trim 100 of this embodiment can be covered by the surface decoration layer 130 to enhance the visual effect. In addition, the pressure sensing element 120 is covered by the surface decoration layer 130, and the pressure sensing element 120 is electrically connected to the light emitting element 140 through the circuit board 170, and the pressure sensing of the pressure sensing element 120 makes the light emitting element 140 emit light. , vibration or sound feedback, the car decoration 100 of this embodiment can enhance the visual effect and have practicality at the same time.

In some embodiments, the substrate 110 is, for example, polycarbonate (Polycarbonate, PC), ABS resin or polymethyl methacrylate (Poly (methyl methacrylate, PMMA). However, the present invention is not limited thereto, and the substrate 110 can be other Any suitable material, as long as the base 110 can carry the subsequent members or film layers formed thereon and bear the subsequent process. In addition, the surface decoration layer 130 can also be any suitable light-transmitting material (the light transmittance is at least greater than 0%) or opaque materials, the present invention is not limited, and some examples of detailed materials will be described in subsequent embodiments.

In some embodiments, the pressure sensing element 120 is energized, for example, by means of pressure generated by pressing between two materials with different conductivity, so that the light emitting element 140 emits light, but the present invention is not limited thereto, the pressure sensing element 120 can be energized by other suitable methods.

In some embodiments, the circuit board 170 can be connected to a power source (not shown) to activate the pressure sensing element 120 and the light emitting element 140 , so the car decoration 100 can have the ability to adjust the brightness of the light source and the timing of light emission. Here, the circuit board 170 can be a rigid board or a flexible board, wherein the rigid board can be a PCB board or ITO, and the flexible board can be an FPC board or PEDOT.

In some embodiments, the light-emitting element 140 is, for example, a light-emitting diode (Light-emitting diode, LED) or a miniature light-emitting diode, wherein the miniature light-emitting diode can include a positive light source LED, a MINI LED, a light strip, a side light source , backlight module, but the present invention is not limited thereto. In addition, in an unillustrated embodiment, the light emitting element 140 may not be soldered on the circuit board 170 .

It should be noted that the present invention does not limit the configuration and location of the light emitting element 140 , as long as the pressure sensing of the pressure sensing element 120 can make the light emitting element 140 emit light, it falls within the protection scope of the present invention.

In this embodiment, the surface decoration layer 130 covers the sidewall 110s and the second surface 110b of the base 110 to improve the wrapping performance of the automotive trim 100, but the present invention is not limited thereto, and in other unillustrated embodiments In this case, the bottom surface of the surface decoration layer 130 may be substantially coplanar with the second surface 110 b of the substrate 110 .

In some embodiments, the automotive trim 100 further includes a first adhesive layer 150 between the base 110 and the pressure sensing element 120, so that the base 110 and the surface decoration layer 130 are fixed by the first adhesive layer 150, but this The invention is not limited thereto. Here, the first adhesive layer 150 is, for example, transparent glue or other suitable adhesive materials.

It must be noted here that the following embodiments continue to use the component numbers and part of the content of the above-mentioned embodiments, wherein the same or similar numbers are used to indicate the same or similar components, and the description of the same technical content is omitted, and the description of the omitted part Reference can be made to the aforementioned embodiments, and the following embodiments will not be repeated.

Figure 2, Figure 3A, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18 , FIG. 19 and FIG. 20 are partial cross-sectional schematic views of automotive trim parts according to some embodiments of the present invention. FIG. 3B is a three-dimensional disassembled schematic view of the car trim according to FIG. 3A .

Please refer to FIG. 2 , compared with the car trim 100 of the embodiment of FIG. 1 , the car trim 200 of this embodiment further includes a textured layer 280 on the base 110 , and the surface decoration layer 230 can be made of transparent The light-transmitting leather composed of the light substrate 232 and the top surface decoration layer 234, wherein the light-transmitting leather can be at least semi-transparent. Furthermore, the textured layer 280 may be formed on the first surface 110 a of the base 110 , that is, the textured layer 280 is disposed between the base 110 and the surface decoration layer 230 . In this embodiment, the textured layer 280 is, for example, black paint or ink with a masking function formed by a spraying process, but the present invention is not limited thereto. In other embodiments, the textured layer 280 can be made of other materials and processes. form.

In some embodiments, the light-transmitting substrate 232 is, for example, semi-transparent sponge, 3D MACH or modified polyethylene terephthalate (polyethylene terephthalate, PET), and the top surface decoration layer 234 is, for example, light-transmitting leather, Translucent leather, polyurethane (Polyurethane, PU) or TPE.

Furthermore, the textured layer 280 includes a textured pattern 282 . For example, the texture pattern can be formed in the texture layer 280 by laser engraving or multi-layer coating and printing. In addition, after the laser engraving, vacuum sputtering can be performed to achieve a high-gloss metallic effect, but the present invention is not limited thereto, as long as the textured layer 280 has the textured pattern 282 it falls within the protection scope of the present invention. Here, the texture pattern 282 is, for example, a plurality of openings on the texture layer 280 exposing the underlying substrate 110 , as shown in FIG. 2 . In addition, the surface decoration layer 130 can cover the texture pattern 282, and the texture layer 280 has a stretching degree smaller than that of the surface decoration layer 230, so the texture pattern 282 in the texture layer 280 of this embodiment will not be affected by the stretching force Therefore, problems such as positioning and deformation of the texture pattern 282 can be effectively improved. In addition, because the texture pattern 282 is covered by the surface decoration layer 230, when the light source is not provided to the car decoration 200, the product surface will not have a decorative effect, but when the light source is provided to the car decoration 200, the surface decoration The light-transmitting property of the decorative layer 230 can make the texture pattern 282 produce a decorative effect, and enhance the diversity of the automobile decorative part 200 .

In some embodiments, the surface decoration layer 230 may not substantially stretch the textured layer 280 during the wrapping process, in other words, the stretching degree of the textured layer 280 may be close to 0% during the wrapping process, but The present invention is not limited thereto.

In this embodiment, the pressure sensing element 120 is disposed in the texture layer 280 and adjacent to the texture pattern 282, so when the user applies pressure to the texture pattern 282, the pressure sensing element 120 can be touched, and the light emitting element 140 lights, in this way, the practicality of the car decoration can be further improved.

In some embodiments, the surface of the pressure sensing element 120 can be laser engraved to have a uniform thickness with the texture pattern 282 to enhance the pressure sensitivity of the pressure sensing element 120 , but the invention is not limited thereto.

Please refer to FIG. 3A and FIG. 3B. Compared with the car trim 200 in the embodiment of FIG. The light loss of the light-emitting element 140 can be reduced, and the light-gathering effect can be improved. In addition, in this embodiment, the surface decoration layer 230 may only cover the sidewall of the base 110 , and the light-blocking bracket 390 directly contacts the base 110 , but the invention is not limited thereto.

On the other hand, in this embodiment, the light emitting element 140 may be a miniature light emitting element in the circuit board 170 to improve configuration flexibility, but the present invention is not limited thereto. Here, the miniature light emitting element is, for example, a miniature light emitting diode (mini LED).

Please refer to FIG. 4 , compared with the car decoration 200 in the embodiment of FIG. 2 , the surface decoration layer 430 of the car decoration 400 in this embodiment may be an adhesive film. For example, the above-mentioned adhesive film (TOM adhesive film) may be formed by three-dimensional overlay method technology, but the present invention is not limited thereto.

In some embodiments, the adhesive film only needs to have a light-transmitting property, and the light transmittance of the adhesive film can be adjusted according to actual design requirements.

In some embodiments, the surface decoration layer 430 may be formed by blistering, but the invention is not limited thereto.

Please refer to FIG. 5 , compared to the car trim 400 of the embodiment in FIG. 4 , the car trim 500 of this embodiment further includes a light-blocking bracket 390 , wherein the light-blocking bracket 390 is similar to the technology described in the above-mentioned embodiment. The content will not be repeated here. In addition, in this embodiment, the surface decoration layer 430 may only cover the sidewall of the base 110 , and the light-blocking bracket 390 directly contacts the base 110 , but the invention is not limited thereto.

On the other hand, in this embodiment, the light emitting element 140 may be a miniature light emitting element in the circuit board 170 to improve configuration flexibility, but the present invention is not limited thereto. Here, the micro light emitting element is, for example, a micro light emitting diode.

Please refer to FIG. 6 , compared with the car trim 200 of the embodiment of FIG. 2 , the surface decoration layer 630 of the car trim 600 of this embodiment can be real wood veneer, wherein the real wood veneer can have light-transmitting properties, The light transmittance can depend on the selected real wood veneer material. Here, the real wood veneer can be any suitable real wood decorative material known to those skilled in the art.

Please refer to FIG. 7 , compared to the car trim 600 of the embodiment in FIG. 6 , the car trim 700 of this embodiment further includes a light-blocking bracket 390 , wherein the light-blocking bracket 390 is similar to the technology described in the above-mentioned embodiment. The content will not be repeated here. In addition, in this embodiment, the surface decoration layer 630 may only cover the sidewall of the base 110 , and the light-blocking bracket 390 directly contacts the base 110 , but the invention is not limited thereto.

On the other hand, in this embodiment, the light emitting element 140 may be a miniature light emitting element in the circuit board 170 to improve configuration flexibility, but the present invention is not limited thereto. Here, the micro light emitting element is, for example, a micro light emitting diode.

Please refer to FIG. 8 . Compared with the automotive trim 100 of the embodiment in FIG. The thick layer 802 extends from the first surface 110 a of the base 110 to cover the sidewall 110 s of the base 110 , and the thickened layer 802 may be composed of a transparent base material 804 , a leather 806 and a textured layer 880 .

In some embodiments, the leather 806 and the textured layer 880 can be formed on the transparent substrate 804 by a printing process. In addition, the texture layer 880 is, for example, ink, and the light-transmitting substrate 804 and the leather 806 are similar to the technical content described in the light-transmitting substrate 232 and the top surface decoration layer 234, and the texture layer 880 is similar to the technology described in the texture layer 280. The content will not be repeated here.

In some embodiments, the thickening layer 802 may further cover the second surface 110b (not shown) of the base 110 to improve the wrapping property of the product, but the invention is not limited thereto.

In this embodiment, since the thickness of the surface decoration layer 130 is very thin, the use of the thickened layer 802 can increase the overall thickness of the car decoration 800 and achieve a better decorative effect. In addition, since the grain pattern 882 may produce defects (lattice shape) in the opening during fabrication, the use of the light-transmitting substrate 804 in the thickened layer 802 can reduce the probability of seeing the opening defect of the grain pattern 882 , but the present invention is not limited thereto. In addition, the thickened layer 802 may also have the function of improving the elasticity of the automotive trim 800 , but the present invention is not limited thereto.

Please refer to FIG. 9 , compared to the car trim 800 of the embodiment in FIG. 8 , the car trim 900 of this embodiment further includes a light-blocking bracket 390 , wherein the light-blocking bracket 390 is similar to the technology described in the above-mentioned embodiment. The content will not be repeated here.

Please refer to FIG. 10, compared with the car trim 100 of the embodiment of FIG. decorative layer) and light emitting elements 14. Further, the substrate 11 has a first surface 11a and a second surface 11b opposite to the first surface 11a, the pressure sensing element 12 is disposed on the first surface 11a, and the surface decoration layer 13 covers at least the pressure sensing element 12 Together with the substrate 11, the light emitting element 14 is disposed on the second surface 11b. Accordingly, due to the light-transmitting properties of the surface decoration layer 13 , the pressure sensing element 12 and the base 11 of the automobile trim 10 of the present embodiment can be covered by the surface decoration layer 13 to enhance the visual effect. In addition, by sensing the pressure of the pressure sensing element 12 disposed between the substrate 11 and the surface decoration layer 13 to make the light emitting element 14 emit light, the automotive trim 10 of this embodiment can enhance the visual effect and be practical. sex. Here, the surface decoration layer is roughly in the shape of a sheet, and the surface decoration layer 13 is attached on the base 11 , but the invention is not limited thereto.

In addition, the surface decoration layer 13 has a decoration layer 15 and a light-transmitting mark 16 penetrating through the decoration layer 15 . In some embodiments, laser engraving equipment is used to laser engrave the light-transmitting logo 16 of the required structure on the surface decoration layer 13, and according to actual needs, the structure of the light-transmitting logo 16 is various, for example, the light-transmitting logo 16 Animal patterns, plant patterns, straight lines, curved lines, etc., the light emitted by the light emitting element 14 exits the surface decoration layer 13 through the light-transmitting mark 16 to display the light-transmitting mark 16, but the present invention is not limited thereto.

In some embodiments, the car decoration 10 is installed on the frame of the car through the base 11. During the day, the car is decorated with the decorative layer 15 of the surface decoration layer 13; at night or when the light is dark, the light emitting element 14 emits light The light emitted from the surface decoration layer 13 through the light-transmitting mark 16 to display the light-transmitting mark 16, and the car is decorated with the light-transmitting mark 16; the structural design of the car decoration is greatly simplified, the manufacturing efficiency is improved, the manufacturing cost is reduced, and the automobile is improved. Variety of decoration.

In some embodiments, the light-transmitting sign 16 may be a hidden light-emitting structure at the edge of the pattern or the edge of the substrate, but the present invention is not limited thereto.

In some embodiments, the automotive trim 10 further includes a light-transmitting glue layer 17 (adhesive layer), the light-transmitting glue layer 17 is located between the surface decoration layer 13 and the base 11, and the surface decoration layer 13 passes through the light-transmitting glue layer 17 Paste and fix on the base 11. Here, the transparent glue is automatically coated on the surface decoration layer 13 by using the glue coating equipment, and then the surface decoration layer 13 is pasted and fixed on the base 11 through the transparent glue, but the present invention is not limited thereto.

In some embodiments, the decorative layer 15 is a paint layer or an ink layer. According to actual needs, the paint coating can be automatically applied to the surface decoration layer 13 via the coating equipment; the ink layer can be automatically printed on the surface via the printing equipment. on the decorative layer, but the present invention is not limited thereto.

In some embodiments, the base 11 has a blind groove, which is recessed from a side of the base 11 away from the surface decoration layer 13 , and the light emitting element 14 is accommodated in the blind groove. On the one hand, the sidewall of the blind groove is used to stop and protect the light-emitting element 14 to prevent the light-emitting element 14 from moving relative to the base 11 and causing poor use. On the other hand, after the base 11 is installed on the vehicle frame, the base 11 and the vehicle frame are prevented from pinching the light-emitting element 14 , but the present invention is not limited thereto.

In some embodiments, the automotive trim 10 is also equipped with a conductive substrate 18 (circuit board). According to actual needs, the conductive substrate 18 can be a printed circuit board or a flexible circuit board. The conductive substrate 18 is accommodated in the blind groove, the conductive substrate 18 is provided with a card protrusion 19 extending into the clamping hole, the light-emitting element 14 is installed on the conductive substrate 18, and the light-emitting element 14 communicates with the outside world through the conductive substrate 18. The power supply is electrically connected, but the invention is not limited thereto.

In some embodiments, the light-emitting element 14 is installed on the conductive substrate 18 first, and then the conductive substrate 18 together with the light-emitting element 14 is installed on the base 11, so as to reduce the probability of collision during the installation process of the light-emitting element 14 and improve the performance of the light-emitting element. 14 installation yield. After the conductive substrate 18 is installed in the blind groove, the card protrusion 19 extends into the hole, and the inner hole wall of the hole is used to stop and interfere with the conductive substrate 18, preventing the conductive substrate 18 from falling off from the base 11 and causing poor use.

Please refer to FIG. 11 , compared with the car trim 300 of the embodiment of FIG. 3A , the car trim 1 of this embodiment further includes an adhesive layer 1a and a light-transmitting layer disposed between the surface decoration layer 230 and the base 110 A semi-permeable ink layer 236 may optionally be disposed between the substrate 232 and the top surface decoration layer 234 . In addition, in this embodiment, the automotive trim 1 may further include a pad printing/laser engraving pressing logo pattern 1c disposed on the surface decoration layer 230 , but the present invention is not limited thereto.

In this embodiment, a semi-permeable diffuser 1d may also be included between the substrate 110 and the circuit board 170, wherein the semi-permeable diffuser 1d is refracted by bumps and can be printed to achieve a gradient effect, but the present invention is not limited thereto .

Please refer to FIG. 12 , compared with the car trim 1 of the embodiment shown in FIG. 11 , the texture layer 2 a of the car trim 2 of this embodiment is disposed between the base 2 b and the circuit board 170 .

Please refer to FIG. 13 , compared with the car trim 1 of the embodiment in FIG. 11 , the car trim 3 of this embodiment does not include a texture layer, and the texture pattern 3 a is disposed in the surface decoration layer 3 b. In addition, the top surface finishing layer 3c in the surface finishing layer 3b of this embodiment is opaque leather, but the present invention is not limited thereto. In this embodiment, a colored paint layer 3d may also be disposed between the adhesive layer 1a and the substrate 110, but the present invention is not limited thereto.

Please refer to FIG. 14, compared with the car trim 3 of the embodiment of FIG. this.

Please refer to FIG. 15 , compared with the car trim 500 of the embodiment of FIG. 5 , the texture layer 280 of the car trim 5 of this embodiment can be ink or a full version of black film. In addition, in this embodiment , the automotive trim 1 may further include a pad printing/laser engraving pressing logo pattern 1c disposed on the surface decoration layer 230, but the present invention is not limited thereto.

In this embodiment, a semi-permeable diffuser 1d may also be included between the substrate 110 and the circuit board 170, wherein the semi-permeable diffuser 1d is refracted by bumps and can be printed to achieve a gradient effect, but the present invention is not limited thereto .

Please refer to FIG. 16 , compared with the car trim 5 of the embodiment of FIG. 15 , the texture layer 6 a of the car trim 6 of this embodiment is disposed between the base 6 b and the circuit board 170 , but the present invention is not limited thereto. .

Please refer to FIG. 17 , compared with the car trim 700 of the embodiment of FIG. 7 , the car trim 7 of this embodiment further includes an adhesive layer 7b disposed between the surface decoration layer 630 and the base 110 , but this embodiment The invention is not limited thereto.

In this embodiment, a semi-permeable diffuser 1d may also be included between the substrate 110 and the circuit board 170, wherein the semi-permeable diffuser 1d is refracted by bumps and can be printed to achieve a gradient effect, but the present invention is not limited thereto .

Please refer to FIG. 18. Compared with the car trim 7 of the embodiment in FIG. 17, the texture layer 8a of the car trim 8 of this embodiment is disposed between the base 8b and the circuit board 170, and does not include an adhesive layer. But the present invention is not limited thereto.

Please refer to Fig. 19, compared with the car trim 1 of the embodiment of Fig. 11, the car trim 9 of this embodiment does not include an adhesive layer, and the surface decoration layer 9a has a four-layer structure, wherein the four-layer structure consists of From inside to outside, there are high and low temperature hot melt adhesive film, semi-transparent/translucent adhesive film (PVC/PU/TPU), hot-melt adhesive layer and semi-transparent/transparent adhesive film (PVC/PU/TPU), But the present invention is not limited thereto.

In some embodiments, the surface decoration layer 9a may not include a high-low temperature hot-melt adhesive film, and when the surface decoration layer 9a includes a high-low temperature hot-melt adhesive film, the following heating methods are available. The first way can be to use infrared heating (transparent heating) and heat together with the front (appearance)/back/front and back (both sides) of the surface decoration layer 9a, while other material parts can be heated or not heated and can be sprayed. Glue or no glue. The second method can be ceramic heating (ceramic plate heating requires high temperature, because it cannot be heated by penetration), this method must be heated from the front, and other materials can be heated or not heated and can be sprayed or not sprayed, while the third It can be heated by heating pipe with hot air and heated together with the front (appearance)/back/front and back (both sides) of the surface decoration layer 9a, while other material parts can be heated or not heated and glue sprayed or not sprayed.

Please refer to FIG. 20 , compared with the car trim 9 of the embodiment shown in FIG. 19 , the texture layer 91 a of the car trim 91 of this embodiment is disposed between the base 91 b and the circuit board 170 . In addition, the pressure sensing element 91c of the automobile decoration 91 penetrates the base 91b and the textured layer 91a sequentially, but the invention is not limited thereto.

In addition, in the above-mentioned embodiment, the textured layer 2a, the textured layer 6a, the textured layer 7a, the textured layer 8a, the textured layer 91a, and the textured layer 880 can all be similar to the textured layer 280, that is, the above-mentioned textured layers can be sprayed, for example. The black paint or ink with masking function formed by the process, and the texture pattern in the texture layer can be formed in the texture layer by laser engraving or multi-layer coating printing (without laser engraving). In addition, vacuum sputtering can be performed after laser engraving to achieve a high-gloss metallic effect. On the other hand, the above-mentioned textured layers can be translucent, opaque, transparent or multi-layer stacked structure, and the textured layer is not limited to single-layer coating or printing, and can also optionally include multiple layers.

Please refer to Fig. 21, compared with the car trim 2 of the embodiment of Fig. 12, the surface decoration layer 92a of the car trim 92 of the present embodiment is a light-transmitting leather with a single-layer structure, and the surface decoration layer 92a A diffusion sheet 92b is also included between the adhesive layer 1a, wherein the diffusion sheet 92b is refracted by the unevenness, but the present invention is not limited thereto.

22A to 22D are partial cross-sectional schematic views of a partial manufacturing method of an automotive trim according to some embodiments of the present invention.

In some embodiments, the manufacturing process of the automotive trim D may include the following steps. Please refer to FIG. 22A , firstly, on the surface decoration layer S with an adhesive layer (not shown) on the back after cutting, the adhesive layer can be made sticky by heating. Please refer to FIG. 22B, and then, use in-mold injection molding (vacuum suction positioning) OMD molding (TOM process), wherein the aforementioned OMD molding method can be via material A (such as the component covered by the surface decoration layer in the above embodiment) ) injection molding, laser engraving after front painting, placing pressure sensing elements, placing table tops, closing the mold, vacuuming, heating and softening, pressurizing and molding to form the final product, laser cutting the remaining material, pad printing/laser engraving pressure sensing logo Wait for the process. Please refer to FIG. 22C , and then, use a leather wrapping machine to wrap the surface finishing layer S. Please refer to FIG. 22D , finally, an automobile trim D coated with a surface decoration layer S is formed.

In addition, in the above-mentioned manufacturing method, the surface decoration layer S in FIG. 22A can also be without an adhesive layer on the back, and then the automotive trim can be formed in the same process.

FIG. 23A to FIG. 23D are partial cross-sectional schematic views of some manufacturing methods of automotive trim parts according to some other embodiments of the present invention.

In still other embodiments, the manufacturing process of the automotive trim D may include the following steps. Please refer to FIG. 23A. First, on the surface decoration layer S with an adhesive layer (not shown) on the back after cutting, the adhesive layer can be made sticky by heating, and it can be made on the material A (as in the above-mentioned embodiment. The component covered by the surface decoration layer) is laser engraved after the front side is painted, and the pressure sensing element is placed. Please refer to FIG. 23B , and then, the surface decoration layer S is positioned on the profiling jig M. Please refer to FIG. 23C , and then, use manual covering to carry out the covering action of the surface decoration layer S. Please refer to FIG. 23D , finally, an automobile trim D coated with a surface decoration layer S is formed.

In addition, in the above-mentioned manufacturing method, the surface decoration layer S in FIG. 23A can also have no adhesive layer on the back, and can be sprayed with transparent paint after laser engraving on the front, and then the car decoration can be formed by the same process.

It should be noted that the present invention is not limited to the aspects of the above-mentioned embodiments, and the aspects of the above-mentioned embodiments can be combined arbitrarily, and similar materials can be used for similar film layers. In addition, the above-mentioned manufacturing method and TOM process are all exemplary illustrations, and the present invention is not limited thereto. The above-mentioned steps and processes can be selected, arranged and matched according to actual design requirements, and can be based on actual design requirements. Adding other appropriate steps and processes, as long as the surface decoration layer covers the substrate, and the surface decoration layer covers the pressure sensing element, the pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure sensing element of the pressure sensing element Measuring and making the light-emitting element emit light belongs to the protection scope of the present invention.

To sum up, due to the light-transmitting properties of the surface decoration layer, the base of the automotive trim of the present invention can enhance the visual effect by covering the surface decoration layer. In addition, the pressure sensing element is covered by the surface decoration layer, and the pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure sensing of the pressure sensing element makes the light emitting element emit light, which can make the automobile of the present invention Decorative parts can enhance the visual effect and be practical at the same time.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field may make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention should be defined by the scope of the appended patent application.

1, 2, 3, 4, 5, 6, 7, 8, 9, 91, 92, 10, 100, 200, 300, 400, 500, 600, 700, 800, 900, D: car decoration 1d: semi-permeable diffuser 2b, 4b, 6b, 8b, 91b, 11, 110: substrate 92b: Diffuser 11a, 110a: first surface 11b, 110b: second surface 12, 120: pressure sensing element 3b, 9a, 92a, 13, 130, 230, 430, 630, S: surface decoration layer 14, 140: light emitting element 15: Decorative layer 16: Translucent logo 17: Translucent glue layer 18: Conductive substrate 19: card convex 110s: side wall 1a, 7b, 150: Adhesive layer 170: circuit board 232, 804: transparent substrate 806: leather 3c, 234: top surface decoration layer 2a, 6a, 7a, 8a, 91a, 280, 880: texture layer 3a, 282: grain patterns 390: light blocking bracket 802: thickening layer 3d, 4a: color paint layer A: Materials M: profiling fixture R: Luminous area

FIG. 1A is a flow chart showing the steps of a method for manufacturing an automotive trim according to an embodiment of the present invention. FIG. 1B is a schematic partial cross-sectional view of an automotive trim according to an embodiment of the present invention. Figure 2, Figure 3A, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18 , FIG. 19 , FIG. 20 , and FIG. 21 are partial cross-sectional schematic views of automotive trim parts according to some embodiments of the present invention. FIG. 3B is a three-dimensional disassembled schematic view of the car trim according to FIG. 3A . 22A to 22D are partial cross-sectional schematic views of a partial manufacturing method of an automotive trim according to some embodiments of the present invention. FIG. 23A to FIG. 23D are partial cross-sectional schematic views of some manufacturing methods of automotive trim parts according to some other embodiments of the present invention.

100: Car decoration parts

110: base

92b: Diffuser

110a: first surface

110b: second surface

120: pressure sensing element

130: surface decoration layer

140: Light emitting element

150: Adhesive layer

170: circuit board

Claims (10)

A car trim, comprising: circuit board; a base, disposed on the circuit board; a light-emitting element disposed between the circuit board and the base, and the light-emitting element is electrically connected to the circuit board; a surface finish covering the substrate; and A pressure sensing element, wherein the surface decoration layer covers the pressure sensing element, the pressure sensing element is electrically connected to the light emitting element through the circuit board, and the pressure of the pressure sensing element Sensing causes the light emitting element to emit light, vibrate or sound feedback. The automotive trim as claimed in claim 1 further includes an adhesive layer disposed between the surface decoration layer and the base. The automotive trim part according to claim 1, wherein the light emitting element is a micro light emitting element in the circuit board. The automotive trim as claimed in claim 1, wherein the pressure sensing element penetrates the substrate. The automotive trim as claimed in claim 1, further comprising a textured layer, wherein the textured layer includes a textured pattern, the surface decoration layer covers the textured pattern, and the textured layer has a thickness smaller than that of the surface decoration layer. degree of stretching. The automotive trim as claimed in item 5, wherein: the textured layer is disposed between the substrate and the surface finishing layer; or The texture layer is disposed between the base and the circuit board. The automobile trim part as claimed in claim 1, wherein the surface decoration layer comprises light-transmitting leather, semi-translucent leather, opaque leather, adhesive film, imitation wood veneer, real wood veneer, leather with gradient color or leather with gradient color film. The car decoration according to claim 1 further includes a light-blocking bracket surrounding the light-emitting area of the light-emitting element. The car decoration according to claim 1 further includes a light-transmitting mark, wherein the light emitted by the light-emitting element exits the surface decoration layer through the light-transmitting mark to display the light-transmitting mark. A method for manufacturing an automotive trim, comprising: providing a substrate, wherein the substrate has a first surface and a second surface opposite the first surface; disposing a pressure sensing element in the substrate; stretching the surface modification such that the surface modification wraps around at least the substrate; and A circuit board is disposed on the second surface, wherein the circuit board has a light emitting element, the pressure sensing element is electrically connected to the light emitting element through the circuit board, and the light emitting element is connected to the light emitting element through the circuit board The pressure sensing of the pressure sensing element makes the light emitting element emit light, vibrate or sound feedback.

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