CN107305407A - Protective shell and manufacturing method thereof - Google Patents

Abstract

The invention discloses a protective shell and a manufacturing method of the protective shell. The protective shell is suitable for protecting the electronic device. The electronic device has a display area. The protective housing comprises a back cover and a face cover. The back cover is suitable for being assembled to the electronic device. The face cover is suitable for covering the display area of the electronic device and is flexibly connected to the back cover. The surface cover is provided with a plurality of light-transmitting areas and bendable lines. The transparent areas are arranged on the surface cover, so that an image displayed in the display area of the electronic device can be projected into another image through the transparent areas. The face cover can be bent along the bendable line, and the bent face cover can support the back cover assembled with the electronic device.

Description

Protective case and protective case manufacturing method

technical field

The invention relates to a protective case, and in particular to a protective case applied to an electronic device and a manufacturing method thereof.

Background technique

Thin devices such as smartphones and tablets are very popular among consumers due to their diverse functions and thin designs. Therefore, related accessories are also booming. In particular, accessories such as protective cases are the most popular among consumers. When the protective case has a back cover and a front cover. The back cover is used to secure the thin device. The cover is used to cover the display area of the thin device (such as a touch display screen) to prevent the display area from being scratched.

Contents of the invention

The purpose of the present invention is to provide a protective case for protecting the electronic device, cooperating with the display area of the electronic device to project low-resolution images and supporting the electronic device.

Another object of the present invention is to provide a method for manufacturing a protective case, which is used to manufacture the above-mentioned protective case.

To achieve the above purpose, a protective case of the present invention is suitable for protecting electronic devices. The electronic device has a display area. The protective case includes a back cover and a front cover. The back cover is suitable for being assembled to the electronic device. The front cover is suitable for covering the display area of the electronic device and is flexibly connected to the back cover. The cover has multiple light-transmitting regions and bendable lines. The light-transmitting areas are arranged on the cover, so that the image displayed on the display area of the electronic device can be projected into another image through the light-transmitting areas. The front cover can be bent along the bendable line, and the bent front cover can support the back cover assembled with the electronic device.

A method for manufacturing a protective case of the present invention is suitable for manufacturing a protective case for protecting an electronic device. The electronic device has a display area. The method for manufacturing the protective case includes the following steps. The opaque material is used to cover the plurality of transparent sheets by hot pressing and co-molding to form the opaque part and the flexible part extending from the opaque part. The opaque part, these light-transmitting sheets and the flexible part constitute the face cover. The face cover is suitable for covering the display area of the electronic device, the opaque part has a linear thinning area to form a bendable line, and the bendable line is located between these transparent sheets, the opaque part has a plurality of openings, and these openings respectively expose A plurality of parts of the light-transmitting sheets are formed to define a plurality of light-transmitting regions on the light-transmitting sheets. Attach the flexible portion of the front cover to the back cover. The back cover is suitable for being assembled to the electronic device, the front cover can be bent along the bendable line, and the bent front cover can support the back cover assembled with the electronic device.

Based on the above, the protective cover can protect the electronic device, cooperate with the display area of the electronic device to project low-resolution images and support the electronic device. In addition, the protective cover manufacturing method is used to manufacture the aforementioned protective cover.

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.

Description of drawings

Fig. 1 is a perspective view of a protective cover according to an embodiment of the present invention;

Fig. 2 is a sectional view of the protective sleeve of Fig. 1 along the I-I line;

Fig. 3 is a cross-sectional view of the protective cover in Fig. 2 in an unfolded state;

Fig. 4 is a cross-sectional view of the protective cover in Fig. 2 in a bent state;

5A is a perspective view of the protective cover in FIG. 1 in a bent state;

FIG. 5B is a perspective view of the protective case of FIG. 5A assembled with an electronic device;

6A to 6C illustrate a method for manufacturing a protective cover according to an embodiment of the present invention.

Symbol Description

50: Electronic device

52: display area

100: protective case

110: back cover

120: face cover

120a: first side

120b: second side

122: Translucent film

124: opaque part

124a: opening

124b: Linear weakening zone

126: Flexible part

128: Ultrasonic fixture

131: back magnetic piece

132: surface magnetic parts

A: Translucent area

B: bendable line

C: opaque material

detailed description

Please refer to FIG. 1 and FIG. 2 , in this embodiment, the protective case 100 is suitable for protecting an electronic device 50 , such as a thin device such as a smart phone or a tablet computer. The protective case 100 includes a back cover 110 and a front cover 120 . The back cover 110 is suitable for being assembled to the electronic device 50 . The cover 120 is suitable for covering the display area 52 of the electronic device 50 . The surface cover 120 has a plurality of light-transmitting regions A, and the light-transmitting regions A are arranged on the surface cover 120 , so that the image displayed on the display region 52 of the electronic device 50 can be projected into another image through the light-transmitting regions A. In addition, as shown in FIG. 3 , the front cover 120 is flexibly connected to the back cover 110 so that the front cover 120 can be opened relative to the back cover 110 . In addition, please refer to FIG. 1 and FIG. 2 , the cover 120 has a bendable line B. As shown in FIG. Therefore, as shown in FIG. 4 , FIG. 5A and FIG. 5B , the front cover 120 can be bent along the bendable line B, and the bent front cover 120 can support the back cover 110 on which the electronic device 50 is assembled. In another unillustrated embodiment, the bendable line B is not limited to one, but can be multiple parallel to each other, so that the surface cover 120 can be rolled up.

1 and 2, in this embodiment, the front cover 120 has a first side 120a and a second side 120b opposite to the first side 120a, the first side 120a is flexibly connected to the back cover 110, and the bendable line B is located between the first side 120a and the second side 120b. In addition, please refer to FIG. 4 , the protective case 100 includes a back magnetic element 131 and a surface magnetic element 132 . The back magnetic part 131 is disposed on the back cover 110 , and the front magnetic part 132 is disposed on the front cover 120 . The back magnetic element 131 and the surface magnetic element 132 can magnetically attract each other to temporarily fix the position of the bent front cover 120 relative to the back cover 110 . In this embodiment, the back magnetic element 131 is disposed at the center of the back cover 110 , and the surface magnetic element 132 is disposed at the second side 120b, but it is not limited thereto. In another not-shown embodiment, for the face cover 120 that is rolled up along a plurality of bendable lines B, the face magnetic member 132 can be arranged on the side of the face cover 120 near the back cover 110 where the back magnetic member 131 is provided. parts.

Please refer to FIG. 1 and FIG. 2 , in this embodiment, the cover 120 includes two light-transmitting sheets 122 and an opaque portion 124 . The material of the transparent sheets 122 is, for example, PC (Polycarbonate, polycarbonate). The opaque material (such as the opaque material C in FIG. 6A ) can be coated on the transparent sheets 122 through a hot-press co-mold process to form the opaque portion 124 . The material of the opaque portion 124 is rubber, for example. The opaque portion 124 has a plurality of openings 124 a, and the openings 124 a respectively expose a plurality of parts of the transparent sheets 122 to define the transparent regions A on the transparent sheets 122 . The material of the opaque portion 124 is rubber, for example. In addition, the opaque portion 124 has a linear weakened area 124b to form a bendable line B. As shown in FIG. In this embodiment, the linear weakening area 124 b is a linear concave portion, which is depressed from the inner surface of the light-proof portion 124 opposite to the back cover 110 . Furthermore, the linear recesses spatially overlap the corresponding openings 124a. In another unillustrated embodiment, the light-transmitting sheets 122 are not limited to two in this embodiment, and the number of bendable lines B can be increased correspondingly.

Please refer to FIG. 1 and FIG. 2. In this embodiment, the front cover 120 has a flexible portion 126, and the flexible portion 126 extends from the opaque portion 124 and is fixed to one side of the back cover 110, making it opaque. The portion 124 is flexibly connected to the back cover 110 . In this embodiment, during the process of forming the opaque portion 124 , the opaque material C forming the opaque portion 124 can be used to form the flexible portion 126 together. In addition, the front cover 120 has an ultrasonic fixing part 128 , and the flexible part 126 is fixed to the ultrasonic fixing part 128 , and the ultrasonic fixing part 128 is welded to the back cover 110 . For example, during the process of forming the flexible part 126 , the flexible part 126 can be formed on the ultrasonic fixing part 128 , thus improving the bonding strength between the flexible part 126 and the ultrasonic fixing part 128 . In addition, the material of the ultrasonic fixing member 128 can be the same as or similar to that of the back cover 110 . Therefore, welding the ultrasonic fixing part 128 to the back cover 110 through ultrasonic waves can improve the bonding strength between the ultrasonic fixing part 128 and the back cover 110 . In another non-illustrated embodiment, the ultrasonic fixing part 128 can also be omitted, so that the flexible part 126 is directly welded or fixed to the back cover 110 .

The following will introduce an embodiment for manufacturing the above-mentioned protective case 100. Please refer to FIG. 6A and FIG. The opaque portion 124 and the flexible portion 126 extending from the opaque portion 124 are formed, as shown in FIG. 6B . The opaque portion 124 , the plurality of transparent sheets 122 and the flexible portion 126 constitute the cover 120 . The detailed structure of the cover 120 has been described in FIG. 1 and FIG. 2 , and will not be repeated here. Next, please refer to FIG. 6B and FIG. 6C , the flexible portion 126 of the front cover 120 is connected to the back cover 110 . In this embodiment, in the step of forming the flexible part 126, the flexible part 126 is formed on the ultrasonic fixture 128 by thermocompression co-molding, as shown in FIG. 6B, and the flexible part 120 of the surface cover 120 In the step of connecting the portion 126 to the back cover 110 , the flexible part is welded to the back cover 110 via the ultrasonic fixing part 128 by ultrasonic waves, as shown in FIG. 6C .

Referring to FIG. 6B , after the front cover 120 is completed, the front magnetic member 132 can be fixed to the front cover 120 by, for example, adhesive, and the back magnetic member 131 can also be fixed to the back cover 110 by, for example, adhesive. Therefore, the position of the bent front cover 120 relative to the back cover 110 is temporarily fixed by the magnetic attraction between the back magnetic part 131 and the front magnetic part 132 , as shown in FIG. 4 and FIG. 5A .

To sum up, in the present invention, a linear weakened area is formed on the cover with multiple light-transmitting areas as a bendable line, so that the cover can be bent along the bendable line, and the bent cover Capable of supporting the back cover on which the electronic device is assembled. Therefore, in addition to protecting the display area of the electronic device and coordinating with the display area of the electronic device to project low-resolution images, the front cover can also support the back cover assembled with the electronic device after being bent. Therefore, the protective case has a variety of functions.

Although the present invention has been disclosed in conjunction with the above embodiments, it is not intended to limit the present invention. Anyone 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 appended claims.

Claims (12)

1. A protective case, suitable for protecting an electronic device, the electronic device has a display area, characterized in that the protective case comprises: a back cover adapted to be assembled to the electronic device; and The face cover is adapted to cover the display area of the electronic device and is flexibly connected to the back cover, wherein the face cover has a plurality of light-transmitting regions and bendable lines, and the light-transmitting regions are arranged on the face cover , so that the image displayed in the display area of the electronic device can be projected into another image through the light-transmitting areas, the cover can be bent along the bendable line, and the bent cover can support The back cover of the electronic device is assembled. 2. The protective case of claim 1, further comprising: the back magnetic part is arranged on the back cover; and The surface magnetic element is arranged on the surface cover, wherein the back magnetic element and the surface magnetic element can magnetically attract each other, so as to temporarily fix the position of the surface cover relative to the back cover after being bent. 3. The protective case of claim 1, wherein the face cover comprises: Multiple transparent sheets; The opaque part covers the transparent sheets and has a plurality of openings, and the openings respectively expose a plurality of parts of the transparent sheets to define the transparent regions on the transparent sheets, wherein the The opaque part has a linear weakening area to form the bendable line, and the bendable line is located between the transparent sheets. 4. The protective case as claimed in claim 1, wherein the linear weakened area is a linear recess, which is recessed from an inner surface of the opaque portion opposite to the back cover. 5. The protective case as claimed in claim 4, wherein the linear recess overlaps with the corresponding openings in space. 6. The protective case according to claim 1, wherein the front cover has a flexible portion, and the flexible portion extends from the opaque portion and is fixed to one side of the back cover, so that the opaque portion The back cover is flexibly connected. 7. The protective case as claimed in claim 6, wherein the front cover has an ultrasonic fixing part, and the flexible part is fixedly connected to the ultrasonic fixing part, and the ultrasonic fixing part is welded to the back cover. 8. A method for manufacturing a protective case, suitable for manufacturing a protective case for protecting an electronic device, the electronic device having a display area, characterized in that the method for manufacturing the protective case comprises: The opaque material is coated with a plurality of light-transmitting sheets by hot-compression co-molding to form an opaque portion and a flexible portion extending from the opaque portion, wherein the opaque portion, the light-transmitting sheets and The flexible portion constitutes a cover, wherein the cover is suitable for covering the display area of the electronic device, the opaque portion has a linear thinning area to form a bendable line, and the bendable line is located between the light-transmitting sheets Between, the opaque part has a plurality of openings, and the openings respectively expose a plurality of parts of the translucent sheets, so as to define a plurality of translucent regions on the translucent sheets; and The flexible part of the cover is connected to the back cover, wherein the back cover is suitable for being assembled to the electronic device, the cover can be bent along the bendable line, and the bent cover can support assembly There is the back cover of the electronic device. 9. The manufacturing method of the protective case as claimed in claim 8, wherein the linear thinning area is a linear concave portion, which is depressed from an inner surface of the opaque portion opposite to the back cover. 10 . The manufacturing method of the protective case as claimed in claim 9 , wherein the linear recess overlaps with the corresponding openings in space. 11 . 11. The method of manufacturing a protective case according to claim 8, comprising: securing the face magnet to the face cover; and The back magnetic part is fixed on the back cover, wherein the back magnetic part and the surface magnetic part can magnetically attract each other, so as to temporarily fix the position of the front cover relative to the back cover after being bent. 12. The method for manufacturing a protective case as claimed in claim 8, wherein in the step of forming the flexible portion, the flexible portion is formed on the ultrasonic fixture by thermocompression co-molding, and the surface cover In the step of connecting the flexible part to the back cover, the flexible part is welded to the back cover via the ultrasonic fixing part by ultrasonic waves.