CN108668476A - Casing structure of electronic device and manufacturing method thereof - Google Patents

Abstract

The invention provides a shell structure of an electronic device, which comprises a transparent shell and an opaque film. The transparent shell is provided with an inner surface and an outer surface which are opposite, and the transparent shell is provided with at least one opening for communicating the inner surface with the outer surface. The opaque film is vacuum-absorbed on the inner surface by exhausting through the at least one opening, and the opaque film is visually exposed to the transparent shell. A method for manufacturing the housing structure is also provided.

Description

Housing structure of electronic device and manufacturing method thereof

technical field

The invention relates to a casing structure and a manufacturing method thereof, in particular to a casing structure of an electronic device and a manufacturing method thereof.

Background technique

In the R&D and design of the casing structure of electronic devices, a bright and novel (popular) graphic is often the focus of the design, and at the same time, it is matched with conspicuous materials in the hope of capturing the attention of consumers. Generally speaking, graphic stickers are usually pasted on the casing structure, or the required pattern is provided during the plastic injection process of the casing structure to make it integrally formed.

However, the former may be unusable due to situations such as the sticker falling off during use, while the latter needs to be reprocessed on the plastic injection mold to form the desired pattern, resulting in increased manufacturing costs. Therefore, there is a real need for designers in the field to improve this.

Contents of the invention

The invention provides a shell structure of an electronic device and a manufacturing method thereof. By disposing an opaque film on the inner surface of the transparent shell, the shell structure has a transparent visual effect and improves its aesthetics.

The shell structure of the electronic device of the present invention includes a transparent shell and an opaque film. The transparent casing has an inner surface and an outer surface opposite to each other, and the transparent casing has at least one opening to communicate with the inner surface and the outer surface. The opaque film is exhausted through at least one opening to absorb the inner surface by vacuum, and the opaque film is visually exposed to the transparent casing.

The manufacturing method of the casing structure of the present invention includes: providing a transparent casing, which has at least one opening to communicate with the outer surface and the inner surface of the transparent casing; the inner surface of the shell.

Based on the above, by arranging an opaque film on the inner surface of the transparent case, the opaque film is visually exposed to the transparent case, so that the casing structure of the electronic device has a visual sense of transparency, thereby improving the performance of the electronic device. aesthetics. Furthermore, the opaque film is adsorbed on the inner surface of the transparent shell by vacuum, and since the transparent shell has an opening connecting the inner and outer surfaces, the gas can be smoothly drawn from the opening during the vacuum process of the opaque film. Therefore, in addition to providing the power to drive the opaque film towards the inner surface of the transparent shell, it can also effectively remove the gas between the transparent shell and the opaque film, thereby improving the bonding strength of the two.

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

Description of drawings

FIG. 1 is a flow chart of manufacturing a casing structure according to an embodiment of the present invention.

FIG. 2 to FIG. 6 are schematic structural diagrams corresponding to the production process in FIG. 1 .

7A and 7B are top views of transparent casings according to different embodiments of the present invention. .

Fig. 8 is a partial cross-sectional view of a casing structure according to another embodiment of the present invention.

Explanation of reference signs

100: Case structure

110, 210, 310, 410: transparent shell

130: opaque film

132: pattern

140: Adhesive layer

150, 250: combination parts

G1: segment structure

P1: first opening

P2: second opening

P3: third opening

P4: fourth opening

S1: inner surface

S2: Outer surface

VC: vacuum

Detailed ways

FIG. 1 is a flow chart of manufacturing a casing structure according to an embodiment of the present invention. FIG. 2 to FIG. 6 are schematic structural diagrams corresponding to the production process in FIG. 1 . Please refer to FIG. 1 and compare FIG. 2 to FIG. 6. In this embodiment, the electronic device is, for example, a notebook computer, and the casing structure refers to the back cover part of the display screen, which visually occupies the entire electronic device. most of the appearance. However, the casing structure shown in the present invention is not limited to its type. In other words, the casing structure can also be applied to well-known electronic devices such as mobile phones and tablet computers.

In order to complete the casing structure described in this embodiment, please refer to FIG. 1 and compare FIGS. At least one opening with the outer surface S2. Here, the material of the transparent casing 110 is plastic, which is made by injection molding, wherein the opening is formed by the broken surface of the mold. Furthermore, the at least one opening includes a first opening P1 and a plurality of second openings P2, wherein the first opening P1 is located at the center of the transparent casing 110, and the second openings P2 are respectively located at edges or corners of the transparent casing 110, Also as shown in FIG. 3 , the second opening P2 of this embodiment is substantially located at the structural turning point of the transparent casing 110 . However, in another not-shown embodiment, the transparent housing only has the first opening at the center. In addition, in yet another embodiment not shown, the transparent casing can also be made of glass.

Next, please refer to FIG. 1 and compare FIG. 4 , first coat the adhesive layer 140 on the inner surface S1 of the transparent casing 110 , and then dispose the opaque film 130 on the inner surface S1 . Here, the opaque film 130 is made of opaque polyethylene terephthalate (PET), for example. Next, please refer to FIG. 1 and compare FIG. 5, where the transparent casing 110 and the opaque film 130 are placed together in a closed space (not shown), and a vacuum VC is provided to allow the opaque film 130 to be adsorbed on the transparent casing. The inner surface S1 of the body 110 . Due to the existence of the first opening P1 and/or the second opening P2, a path for the gas to be discharged can be provided smoothly and evenly, so as to drive the opaque film 130 to move toward the inner surface S1 of the transparent casing 110 and stick thereon. At the same time, the gas remaining between the opaque film 130 and the adhesive layer 140 can be effectively discharged, so that the opaque film 130 can be firmly attached to the inner surface S1 of the transparent casing 110 through the adhesive layer 140 .

Finally, referring to FIG. 1 and referring to FIG. 6 , a bonding member 150 is provided and disposed on the side of the opaque film 130 facing away from the transparent casing 110, so that the opaque film 130 is located inside the bonding member 150 and the transparent casing 110 between surfaces S1. At this point, the manufacturing process of the casing structure 100 is completed.

Please refer to FIG. 5 again. In this embodiment, the opaque film 130 also has a pattern 132 facing the transparent casing 110, such as a microstructure embossed on the surface of the opaque film 130. When in the state shown in FIG. 4, by letting The pattern 132 is aligned with the first opening P1 of the transparent casing 110 , so that the pattern 132 can be smoothly exposed to the transparent casing 110 through the first opening P1 . The location of the pattern 132 is not limited here, and it can also expose the transparent casing 110 from other openings (such as the second opening P2 ), or be directly covered by a solid part of the transparent casing 110 without openings.

Based on the above, by arranging the opaque film 130 on the inner surface S1 of the transparent casing 110, the case structure 100 has a sense of transparency in appearance, and at the same time, due to the barrier of the opaque film 130, it is avoided to be arranged in the case structure 100. electronic components will be viewed directly. Furthermore, the pattern 132 disposed on the opaque film 130 can also be effectively protected by the transparent case 110 .

7A and 7B are top views of transparent casings according to different embodiments of the present invention. Different from the previous embodiments, the transparent housing 210 of the embodiment shown in FIG. 7A has a first opening P1 and a plurality of third openings P3, similar to the second opening P2 of the previous embodiment, these third openings P3 are located on the transparent The four corners of the casing 210 are different in that the third openings P3 are substantially completely located on the inner surface S1 rather than at structural inflection points. Please refer to FIG. 7B , the plurality of fourth openings P4 shown are also completely located on the inner surface S1 instead of at the structural turning point, but the fourth openings P4 are located on the four sides of the transparent casing 310 instead of at the corners. . Accordingly, for the purpose of smoothly combining the opaque film with the transparent case, the designer can properly adjust the position of the opening on the opaque case according to the required position and combination conditions.

Fig. 8 is a partial cross-sectional view of a casing structure according to another embodiment of the present invention. The difference from the above is that the edge of the transparent case 310 in this embodiment and the coupling member 250 are embedded with each other. Furthermore, in the housing structure of the electronic device in this embodiment, the transparent case 310 is connected to another A housing (not shown) is combined with each other, and the inner surface S1 forms an accommodating space with the other housing, and the electronic components (such as a display) of the electronic device and the shown coupling member 250 and the opaque film 130 are located in the accommodation space. Here, the transparent casing 310 has a stage structure at its edge, so that when the transparent casing 310 is combined with the other casing, the coupling part 250 can also be clamped therein, thereby improving the mechanical stability of the coupling part. The bonding strength in the shell structure is also beneficial for clamping and fixing the opaque film 130 on the inner surface S1 of the transparent casing 310 by the bonding member 250 .

To sum up, in the above-mentioned embodiments of the present invention, by disposing an opaque film on the inner surface of the transparent case, the opaque film is visually exposed to the transparent case, thereby allowing the housing structure of the electronic device to have a visual The transparent feeling on the screen can improve the aesthetics of the electronic device.

Wherein, in addition to providing the above-mentioned visual effect, the transparent casing can also cover the pattern on the opaque film or make it only exposed through the opening, so as to achieve the effect of protection.

Wherein, the transparent casing has a first opening at its center and a second opening at its edge, these openings are used to generate an even and smooth exhaust path during the process of vacuum absorbing the opaque film to the transparent casing, In order to effectively avoid air gaps between the combined components.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of protection of the invention should be defined by the claims.

Claims (13)

1. A casing structure of an electronic device, comprising: a transparent casing having opposing inner and outer surfaces, and the transparent casing has at least one opening communicating the inner and outer surfaces; and The opaque film is vacuum-adsorbed on the inner surface through the at least one opening, and the opaque film is visually exposed to the transparent casing. 2. The casing structure of the electronic device according to claim 1, wherein the material of the transparent casing is plastic or glass. 3. The casing structure of the electronic device according to claim 1, wherein the at least one opening is located at the center of the transparent casing. 4. The casing structure of the electronic device according to claim 1, wherein the at least one opening comprises a first opening and a plurality of second openings, the first opening is located in the center of the transparent casing, and the plurality of openings The second opening is located at the edge or corner of the transparent case. 5. The casing structure of the electronic device according to claim 4, wherein the plurality of second openings are located at structural turning points of the transparent casing. 6. The casing structure of the electronic device according to claim 1, further comprising a joint member disposed on the opaque film, so that the opaque film is located between the joint member and the inner surface of the transparent casing between. 7. The casing structure of the electronic device according to claim 1, wherein the opaque film has a pattern, and the transparent casing is exposed through the at least one opening. 8. A manufacturing method of a casing structure, comprising: providing a transparent case having at least one opening communicating with an outer surface and an inner surface of the transparent case; and A vacuum is provided to exhaust air through the at least one opening to attract an opaque film to the inner surface of the transparent housing. 9. The manufacturing method of the casing structure according to claim 8, further comprising: An adhesive layer is applied to the inner surface before vacuum absorbing the opaque film to the transparent shell. 10. The manufacturing method of the casing structure according to claim 8, further comprising: A bonding element is disposed to the opaque film such that the opaque film is located between the inner surface and the bonding element. 11. The manufacturing method of the casing structure according to claim 8, wherein the transparent casing is formed by injection molding of plastic. 12. The manufacturing method of the casing structure according to claim 11, wherein the at least one opening is formed by a broken surface of a mold. 13. The manufacturing method of the casing structure according to claim 8, further comprising: forming a pattern on the opaque film; and The pattern is aligned with the at least one opening when the opaque film is vacuum sucked to the transparent case.