CN219478095U - Indium-plated decorative sheet and bone conduction earphone - Google Patents

Abstract

The utility model discloses an indium-plated decorative sheet and a bone conduction earphone, wherein the indium-plated decorative sheet sequentially comprises a light-transmitting cover, a transparent layer, a primer layer, an indium-plated layer and a light-transmitting bottom from top to bottom; the bottom surface of the transparent layer is provided with a non-painting area, and the non-painting area forms a decorative pattern; brushing opaque primer on the other areas except the non-painted area on the bottom surface of the transparent layer in the primer layer; the indium plating layer is formed by plating indium on the non-painted area on the bottom surface of the transparent layer. The decorative pattern can be displayed under the condition that the illumination of the decorative sheet is turned off, so that the energy consumption for illuminating the decorative sheet can be saved.

Description

Indium-plated decorative sheet and bone conduction earphone

Technical Field

The utility model relates to the technical field of bone conduction headphones, in particular to an indium-plated decorative sheet and a bone conduction headphone.

Background

The conventional decorative sheet of the bone conduction earphone is usually made of transparent material, and the transparent portion is covered with opaque material to display a pattern under the light irradiation, for example, patent CN115150706a discloses a control cabin and a light transmitting portion 100 of the bone conduction earphone, however, if the light decorative sheet is turned off, the area where the pattern portion is located becomes dark due to the transparency of the material, so that the light needs to be turned on all the time to display the pattern.

If the decorative pattern can be displayed even when the lamp is turned off, the energy consumption for illuminating the decorative sheet can be saved when the power is required to be saved, and it is very important to display the decorative pattern even when the decorative sheet is turned off.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the indium-plated decorative sheet and the bone conduction earphone, which can display decorative patterns under the condition of closing the illumination of the decorative sheet and can save the energy consumption of the illumination of the decorative sheet.

In order to solve the technical problems, the first aspect of the utility model discloses an indium-plated decorative sheet, which is characterized by sequentially comprising a light-transmitting cover, a transparent layer, a primer layer, an indium-plated layer and a light-transmitting bottom from top to bottom;

the bottom surface of the transparent layer is provided with a non-painting area, and the non-painting area forms a decorative pattern;

brushing opaque primer on the other areas except the non-painted area on the bottom surface of the transparent layer in the primer layer;

the indium plating layer is formed by plating indium on the non-painted area on the bottom surface of the transparent layer.

As an alternative embodiment, the light-transmitting cover is made of polycarbonate material, and both the front and back surfaces of the light-transmitting cover are coated with high-light-transmitting UV paint.

As yet another alternative embodiment, the light-transmitting substrate is a layer of matte UV-curable paint.

As yet another alternative embodiment, the opaque primer is a black primer or the opaque primer comprises a layer of pink silver metallic paint and a layer of gray primer with the pink silver metallic paint between the transparent layer bottom surface and the gray primer.

As a further alternative implementation mode, a light-scattering film and a light source are sequentially arranged below the indium-plated decorative sheet, wherein light emitted by the light source passes through the light-scattering film and then is emitted to the indium-plated decorative sheet;

the front and back sides of the light scattering film are fog surfaces and are used for uniformly scattering the light emitted by the light source to the indium-plated decorative sheet.

The second aspect of the utility model discloses a bone conduction earphone, which comprises the indium-plated decorative sheet, a light-scattering film and a light source.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

for the indium-plated decorative sheet provided by the embodiment of the utility model, external light sequentially enters the light-transmitting cover and the transparent layer, and then is emitted to the indium-plated layer, and the indium-plated layer has a mirror silver effect, and the primer layer is opaque, so that the decorative pattern presented by the reflected light of the indium-plated layer can be visually seen only in an environment with light irradiation, the decorative pattern can be displayed under the condition of closing the illumination of the decorative sheet, and the energy consumption of the illumination of the decorative sheet can be saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an indium-plated decorative sheet according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another embodiment of an indium-plated decorative sheet;

fig. 3 is a schematic structural view of a bone conduction headset according to an embodiment of the present utility model;

fig. 4 is another schematic structural view of a bone conduction headset according to an embodiment of the present utility model;

fig. 5 is a schematic cross-sectional view of a bone conduction headset according to an embodiment of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, an embodiment of the present utility model discloses an indium-plated decorative sheet 1, wherein the indium-plated decorative sheet 1 is composed of a light-transmitting cover 11, a transparent layer 12, a primer layer, an indium-plated layer 14 and a light-transmitting bottom 15 in sequence from top to bottom;

the bottom surface of the transparent layer 12 is provided with a non-painting area, and the non-painting area forms a decorative pattern;

the primer layer is only coated with opaque primer in other areas than the non-painted areas on the bottom surface of the transparent layer 12;

the indium-plated layer 14 is formed by indium-plating the non-painted areas on the bottom surface of the transparent layer 12.

In this embodiment, the transparent layer 12 is made of polycarbonate, the light transmittance is required to reach more than 90%, and the primer layer is brushed after oil removal and dust removal. In this embodiment, the manner of brushing the opaque primer on the primer layer only in the other areas except the non-painted area on the bottom surface of the transparent layer 12 may be: the opaque primer is painted on all areas on the bottom surface of the transparent layer 12, and then the primer in the area where the opaque primer is not painted is removed by a local laser engraving mode (laser engraving machine). In this embodiment, the decorative pattern may be a text pattern or a graphic pattern, such as a brand, logo, etc.

In this embodiment, the indium-plated layer 14 can be obtained by vacuum indium plating based on a vacuum indium plating apparatus; the indium-plated layer 14 may entirely cover the primer layer and the non-painted areas of the bottom surface of the transparent layer 12, or may cover only the non-painted areas on the bottom surface of the transparent layer 12. In this embodiment, the indium-plated layer 14 is a non-conductive semitransparent indium layer.

For the indium-plated decorative sheet 1 of the embodiment, external light sequentially enters the transparent cover 11 and the transparent layer 12, which are transparent, and then is emitted to the indium-plated layer 14, and the indium-plated layer 14 has a mirror silver effect, and the primer layer is opaque, so long as the decorative pattern presented by the reflected light of the indium-plated layer 14 can be visually seen in the environment with light irradiation, the decorative pattern can be displayed under the condition of closing the illumination of the decorative sheet, and the energy consumption of the illumination of the decorative sheet can be saved.

In an alternative embodiment, the transparent cover 11 is made of polycarbonate material, and both the front and back sides thereof are coated with high-transmittance UV paint to enhance surface brightness and scratch resistance.

In yet another alternative embodiment, the light-transmitting substrate 15 is a layer of matte-side UV-curable paint; for fixing the indium-plated layer 14.

In yet another alternative embodiment, see fig. 1, the opaque primer is a black primer 13a such that the background color of the decorative pattern is black.

In yet another alternative embodiment, see fig. 2, the opaque primer comprises a layer of pink silver paint 13b and a layer of grey primer 13c, with the pink silver paint 13b between the underside of the transparent layer 12 and the grey primer 13 c; the background color of the decorative pattern is made dark pink, with the gray primer 13c being used for shading.

In a further alternative embodiment, a light-diffusing film 3 and a light source 4 are sequentially arranged below the indium-plated decorative sheet 1, wherein the light emitted by the light source 4 passes through the light-diffusing film 3 and is then emitted to the indium-plated decorative sheet 1;

the front and back sides of the light-scattering film 3 are both fog surfaces and are used for uniformly scattering the light rays emitted by the light source 4 to the indium-plated decorative sheet 1.

In this embodiment, the model 3 of the light-diffusing film may be LG125J, and the model 3 of the light-diffusing film is characterized by a double-sided matte surface, thickness: 0.125mm, light transmittance: 64.5%, haze: 95%.

Example two

Referring to fig. 3-5, an embodiment of the utility model discloses a bone conduction earphone 2, which comprises an indium-plated decorative sheet 1, a light-diffusing film 3 and a light source 4 in the first embodiment, wherein light emitted by the light source 4 passes through the light-diffusing film 3 and then is emitted to the indium-plated decorative sheet 1.

The light source 4 is at least one LED lamp.

Optionally, the bone conduction earphone may further include a main board 23, an upper cover 21, and a lower cover 22, wherein the light source 4 is disposed on the main board 23, and the indium-plated decorative sheet 1 is fixed on the upper surface of the upper cover 21 through a double faced adhesive tape 5 (model number of the crown DS 612).

Alternatively, the motherboard may be secured to the posts by heat staking the tops of the posts in the lower cover 22.

The disclosure of the embodiments of the present utility model is merely a preferred embodiment of the present utility model, and is merely for illustrating the technical scheme of the present utility model, but not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (6)

1. The indium-plated decorative sheet is characterized by sequentially comprising a light-transmitting cover, a transparent layer, a primer layer, an indium-plated layer and a light-transmitting bottom from top to bottom;

the bottom surface of the transparent layer is provided with a non-painting area, and the non-painting area forms a decorative pattern;

brushing opaque primer on the other areas except the non-painted area on the bottom surface of the transparent layer in the primer layer;

the indium plating layer is formed by plating indium on the non-painted area on the bottom surface of the transparent layer.

2. The indium-plated decorative sheet according to claim 1, wherein the light-transmitting cover is made of polycarbonate material, and both the front and back surfaces thereof are coated with high-light-transmitting UV paint.

3. The indium-plated decorative sheet according to claim 1, wherein the light-transmitting base is a layer of matt-surface UV-curable paint.

4. The indium-plated decorative sheet according to claim 1, wherein the opaque primer is a black primer or the opaque primer comprises a layer of pink silver metallic paint and a layer of gray primer with the pink silver metallic paint between the transparent layer bottom surface and the gray primer.

5. The indium-plated decorative sheet according to claim 1, wherein a light-diffusing film and a light source are sequentially arranged below the indium-plated decorative sheet, and wherein light emitted by the light source passes through the light-diffusing film and is then emitted to the indium-plated decorative sheet;

the front and back sides of the light scattering film are fog surfaces and are used for uniformly scattering the light emitted by the light source to the indium-plated decorative sheet.

6. An osteoinductive headset comprising the indium-plated decorative sheet of any one of claims 1 to 5, further comprising the light-diffusing film of claim 5 and a light source.