TWI694005B - Manufacturing method and finished product of automobile lampshade electric heating sheet - Google Patents

Abstract

A manufacturing method of a lampshade electric heating sheet and its finished product, the manufacturing method includes the following steps: applying an adhesive layer: taking a transparent resin sheet as a substrate, and coating the substrate with an adhesive with good transparency to form a first adhesive Layer and a second adhesive layer, the first adhesive layer and the second adhesive layer are respectively located on two opposite surfaces of the substrate; sticking release paper: sticking a release paper on the surface of the first adhesive layer; and conducting film application: second glue A conductive film is applied on the surface of the layer to form a conductive film, and a mask is printed on the surface of the conductive film, and the shape of the mask is curved and rounded, removing the part of the conductive film that is not covered by the mask, leaving the conductive film covered by the mask In part, the conductive film is formed into a curvy circuit path, and the two ends of the conductive film are respectively formed with contacts for electrically connecting the conductive wires, and then the mask is removed with a solvent.

Description

Manufacturing method and finished product of automobile lampshade electric heating sheet

The invention relates to spare parts of a vehicle lampshade, and more particularly, to a manufacturing method and finished product of an electric heating sheet for a vehicle lampshade. The electric heating sheet is attached to a vehicle lampshade to remove moisture attached to the lampshade Or snow.

The light of the car projects light outward through the lampshade. The structure of the lampshade allows the light emitted by the bulb to pass through the lampshade and project outward along a specific angle. When the ambient temperature drops suddenly, the moisture of the air inside the lamp assembly is likely to condense in the face of the lampshade. The inner surface of the bulb affects the brightness of the emitted light and the path of travel.

In view of this, the inventor of this case based on his experience in electric heating related technologies, actively carried out R&D and creation, and finally obtained the invention with innovation and industrial value.

The main purpose of the present invention is to provide a manufacturing method of a lampshade electric heating sheet and its finished product. By the first manufacturing method, a transparent thin-film carrier surface is formed with a conductive film through which electric current can pass, and the heat film can be provided to provide heat removal Electric heating sheet that condenses moisture or snow on the surface of the lampshade.

In order to meet the intended purpose, the present invention is a manufacturing method of a vehicle lampshade electric heating sheet, which includes the following steps: applying an adhesive layer: taking a transparent resin sheet as a substrate, and coating the substrate with an adhesive with good transparency to form a first adhesive Layer and a second adhesive layer, the first adhesive layer and the second adhesive layer are respectively located on two opposite surfaces of the substrate; sticking release paper: sticking a release paper on the surface of the first adhesive layer; and conducting film application: second glue A conductive film is applied on the surface of the layer to form a conductive film, and a mask is printed on the surface of the conductive film, and the shape of the mask is curved and rounded, removing the part of the conductive film that is not covered by the mask, leaving the conductive film covered by the mask In part, the conductive film is formed into a curvy circuit path, and the two ends of the conductive film are respectively formed with contacts for electrically connecting the conductive wires, and then the mask is removed with a solvent.

As described above, the manufacturing method of the electric heating sheet for the vehicle lampshade, wherein, after the step of applying the conductive film is completed, the step of applying the protective film is further performed, and a waterproof material is applied on the surface of the conductive film to form a protective film.

The invention is a vehicle lampshade electric heating sheet manufactured by the manufacturing method of the vehicle lampshade heating sheet mentioned above, comprising a substrate, a release paper and a conductive film, wherein the two surfaces of the substrate opposite to each other are provided with a first Adhesive layer and a second adhesive layer, the first adhesive layer and the second adhesive layer are respectively composed of adhesive with good transparency, the release paper is adhered to the first adhesive layer, the conductive film is adhered to the second adhesive layer, and conductive The membrane system bends a circuitous current path.

(1) ‧‧‧ substrate

(11)‧‧‧surface

(12)‧‧‧surface

(22)‧‧‧The first glue layer

(24)‧‧‧Second adhesive layer

(3)‧‧‧ release paper

(4) ‧‧‧ conductive film

(5)‧‧‧Protection film

The first figure is a flowchart of an embodiment of the manufacturing method of the present invention.

The second figure is a schematic cross-sectional view of an electric heating sheet for a vehicle lampshade manufactured by performing an embodiment of the manufacturing method of the present invention.

The third figure is a schematic plan view of an electric heating sheet for a vehicle lampshade manufactured by performing an embodiment of the manufacturing method of the present invention.

As shown in the first, second, and third figures, an embodiment of the manufacturing method of the electric lamp sheet for a vehicle lampshade of the present invention includes the following steps: applying an adhesive layer: taking a transparent resin sheet as a substrate (1), The sheet (1) is coated with an adhesive with good transparency to form a first adhesive layer (22) and a second adhesive layer (24). The adhesive may be optical adhesive, the first adhesive layer (22) and the second adhesive The layers (24) are respectively located on two opposite surfaces (11) (12) of the substrate (1).

Sticking release paper: A release paper (3) is pasted on the surface of the first adhesive layer (22).

Conductive film application: Conductive material is formed on the surface of the second adhesive layer (24) to form a conductive film (4). The conductive film (4) is adhered to the substrate (1) by the second adhesive layer (24), and then conducts electricity A mask (not shown) is printed on the surface of the film (4), and the shape of the mask is curved and rounded, so that the mask only covers a part of the conductive film (4), and then the conductive film is removed by etching ( 4) The part not covered by the mask, leaving the part covered by the conductive film (4) covered by the mask, so that the conductive film (4) forms a curvy circuit path, and both ends of the conductive film (4) are formed Contacts (not shown in the figure) for electrical connection of conductive wires, which allow external power to pass through the conductive film (4), causing the conductive film (4) to heat up and heat up, the part of the conductive film (4) that is not covered by the mask After the parts are removed, the mask is removed with a solvent.

The protective film is applied: the surface of the conductive film (4) is provided with a waterproof material to form a protective film (5), thereby avoiding the current short circuit phenomenon caused by the external water when the current passes through the conductive film (4).

When performing the above protective film application steps, you can choose to use a printing method to apply a waterproof paint to the surface of the conductive film (4) to form a protective film (5), or you can choose a thin film made of a material with good transparency as the protective film ( 5), and stick the protective film (5) to the surface of the conductive film (4).

Further, the aforementioned protective film application is a step that can be selectively performed or not performed.

Substrate cutting: according to the needs of the lampshade, the substrate (1) is cut into corresponding shapes.

As shown in the second figure, an embodiment of an electric heating sheet for a vehicle lampshade made by performing the foregoing method includes a substrate (1), a release paper (3), and a conductive film (4), wherein the substrate (1 ) Two surfaces (11) (12) opposite to each other are respectively provided with a first adhesive layer (22) and a second adhesive layer (24), the first adhesive layer (22) and the second adhesive layer (24) are respectively The adhesive is composed of release paper (3) and first adhesive layer (22), conductive film (4) and second adhesive layer (24), and conductive film (4) is a curved and detour-shaped current path, conductive A protective film (5) is provided on the surface of the film (4) as needed, and the protective film (5) is made of waterproof material.

When using the above-mentioned vehicle lampshade heating sheet, after releasing the release paper (3), the substrate (1) is adhered to the surface of the lampshade adjacent to the interior of the lamp assembly using the first adhesive layer (22), and the two conductive wires are respectively The contacts at both ends of the conductive film (4) are electrically connected, and each conductive wire is respectively coupled to a power source to complete the installation of the electric heating sheet of the vehicle lampshade.

The shape of the lampshade electric heating sheet shown in the third figure is only an implementation choice of the shape of the lampshade electric heating sheet prepared by performing the foregoing manufacturing method, and it is not only capable of producing a vehicle with the shape shown in the third figure The third figure of the lampshade electric heating plate cannot be used as the limitation of the shape of the lampshade electric heating plate made by the manufacturing method of the present invention.

When the current passes through the conductive film (4), the material resistance of the conductive film (4) causes the conductive film (4) to heat up and heat, which in turn causes the lampshade to heat up, thereby avoiding the condensation of moisture in the air on the lampshade and ensuring the light emitted by the lamp Brightness and travel path, and when moisture or snow condenses on the surface of the lampshade, the conductive film (4) provides heat energy to promote the temperature rise of the lampshade, and can remove moisture or snow condensed on the surface of the lampshade.

Claims (6)

A method for manufacturing a lampshade electric heating sheet includes the following steps: applying an adhesive layer: taking a transparent resin sheet as a substrate, and applying a transparent adhesive to the substrate to form a first adhesive layer and a second adhesive layer, The first adhesive layer and the second adhesive layer are respectively located on two opposite surfaces of the substrate; the release paper is pasted: a release paper is pasted on the surface of the first adhesive layer; and the conductive film is applied: a conductive material is applied on the surface of the second adhesive layer to form a conductive Film, a mask is printed on the surface of the conductive film, and the shape of the mask is curved and rounded, removing the part of the conductive film that is not covered by the mask, leaving the part of the conductive film covered by the mask, so that the conductive film is bent There is a circuitous current path, and the two ends of the conductive film form contacts for electrically connecting the conductive lines, and then the mask is removed with a solvent. The method for manufacturing a vehicle lampshade electric heating sheet as described in item 1 of the patent scope, wherein after the conductive film application step is completed, a protective film application step is further performed, and a waterproof material is applied on the surface of the conductive film to form a protective film. The method for manufacturing a lampshade electric heating sheet for a vehicle as described in item 2 of the patent application scope, wherein the protective film application step is to apply a waterproof paint on the surface of the conductive film to form a protective film. The method for manufacturing an electric heating sheet for a vehicle lampshade as described in item 2 of the patent scope, wherein the step of applying the protective film is to stick the protective film to the surface of the conductive film. The method for manufacturing an electric heating sheet for a vehicle lampshade as described in item 4 of the patent application, wherein the protective film is a thin film made of a material with good transparency. A lampshade electric heating sheet for a vehicle, which is obtained by performing any method for manufacturing a lampshade electric heating sheet according to any one of items 1 to 5 of the patent application range, the vehicle lampshade heating sheet It includes a substrate, a release paper and a conductive film, wherein the two surfaces of the substrate opposite to each other are respectively provided with a first adhesive layer and a second adhesive layer, and the first adhesive layer and the second adhesive layer are respectively composed of optical adhesive The release paper is adhered to the first adhesive layer, the conductive film is adhered to the second adhesive layer, and the conductive film is a curvy circuit path.

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