TWI402788B - Electronic device - Google Patents

Description

Electronic device

The present invention relates to an electronic device, and more particularly to an electronic device for having a pattern display effect.

Generally, the electronic device includes a pattern display effect, that is, a pattern provided on the electronic device casing is illuminated by a light source (for example, an LED lamp) disposed in the electronic device. In the prior art, the electronic device housing is usually made of a transparent material. First, the pattern is printed on a film, such as a polycarbonate film, and then the printed film is attached to the surface of the transparent casing in the electronic device. A light source is disposed, and the light of the light source is transmitted to the pattern by the light guide column to display the pattern on the outer surface of the electronic device casing.

Since the transparent casing of the electronic device is generally permeable to light, a Mylar for shielding is attached to the inner side of the casing to prevent light transmission from the non-patterned area of the transparent casing. In another method, the above pattern is directly formed on the light-shielding film, and the opaque property of the light-shielding film is utilized, and it is not necessary to attach the Mylar sheet.

However, the use of the light guide column and the film increases the components of the electronic device, requires additional manufacturing in production, and is cumbersome to assemble, resulting in a substantial increase in manufacturing costs. On the other hand, the electronic device housing is in the manufacturing process, in the selection of materials The aspect is limited to transparent materials, and the transparent material increases the cost of the product compared to the general plastic material.

In view of the above, the present invention provides an electronic device, which can be clearly displayed on the outer surface of the electronic device by using a general plastic material and without using a light guide bar, a Mylar sheet, and a film. cut costs.

The electronic device of the present invention includes a housing and at least one light source. The housing defines a receiving space therein, and includes an inner side surface. The inner side surface is provided with at least one concave portion. The at least one light source is received in the receiving space. And being disposed opposite to the at least one concave portion; wherein the at least one concave portion is formed with a light transmissive pattern shape, and the light emitted by the at least one light source is irradiated to the at least one concave portion, and the at least one concave portion is The pattern shape on the upper surface appears on the outer surface of the casing.

As a further improvement of the present invention, the material of the casing is a plastic material, and the concave portion and the casing are formed by one injection molding.

As a further improvement of the present invention, the electronic device further includes a light shielding device disposed between the inner side surface and the at least one light source for separating the light sources from each other.

As a further improvement of the present invention, the electronic device further includes a first sealing device disposed between the light shielding device and the inner side surface to prevent light emitted by the light sources from being emitted from a gap between the light shielding device and the inner side surface .

As a further improvement of the present invention, the electronic device further includes a second sealing device And disposed between the shading device and the at least one light source to prevent light emitted by the light sources from being emitted from a gap between the shading device and the circuit board.

100‧‧‧Electronic devices

10‧‧‧shell

12‧‧‧ inside

122‧‧‧ recessed section

13‧‧‧ accommodating space

14‧‧‧Positioning column

16‧‧‧Locating pin

20‧‧‧ boards

22‧‧‧Light source

24,326‧‧‧Positioning holes

30‧‧‧shading device

32‧‧‧First end

36‧‧‧Lighting tube

40‧‧‧First sealing device

42‧‧‧through hole

50‧‧‧Second sealing device

1 is an exploded perspective view showing one direction of an electronic device according to an embodiment of the present invention.

2 is an exploded perspective view showing another direction of the electronic device according to an embodiment of the present invention.

3 is an assembled view of an electronic device according to an embodiment of the present invention.

4 is a cross-sectional view showing an electronic device according to an embodiment of the present invention.

Referring to FIG. 1 , an exploded perspective view of an electronic device 100 according to an embodiment of the present invention is shown. The electronic device 100 of the present invention includes a housing 10 including an inner side surface 12 having at least one recessed portion 122 engraved with a pattern shape representative of the condition of use of the electronic device, such as Switch state and network connection status, etc. A plurality of positioning posts 14 and a plurality of positioning pins 16 extend from the inner side surface 12 to the receiving space 13 . The positioning posts 14 and the positioning pins 16 are disposed in the recessed portions 122 . Around it. In the embodiment of the present invention, the housing 10 can be manufactured by using various plastic materials, such as a common electronic device housing plastic material Acrylonitrile-butadiene-styrene (ABS), polyvinyl chloride. (polyvinyl chloride, PC), synthetic plastic (PC+ABS), high impact polystyrene (HIPS), and the like.

In the present embodiment, the concave portion 122 having the pattern shape is formed by one injection molding of the casing 10. The material of the casing 10 is an opaque or translucent plastic material. For plastic materials, the smaller the thickness, the better the light transmittance. The wall thickness at the recess 122 of the housing 10 is less than the wall thickness of other portions of the housing 10. Accordingly, the recess 122 has better light transmission than other portions of the housing 10. In a preferred embodiment, the housing 10 is made of white ABS plastic material, and the wall thickness of the recessed portion 122 of the housing 10 is 0.65 mm, because for plastic materials, white is better than other colors. Light transmission.

Referring to FIG. 2 , at least one light source 22 is disposed in the accommodating space 12 opposite to the recessed portion 122 . In the embodiment, the at least one light source 22 is disposed on a circuit board 20 , and the circuit board 20 is further disposed on the circuit board 20 . A plurality of locating holes 24 are mated with the locating posts 14 to position the circuit board 20 within the electronics housing 10 (see FIG. 3). In other embodiments of the present invention, the at least one light source 22 may be disposed anywhere outside the circuit board 20 of the electronic device 100, for example, the at least one light source 22 is disposed in the housing 10 of the electronic device 100. A position opposite to the at least one recessed portion 122; or a fixing device opposite to the at least one recessed portion 122 is disposed in the receiving space 13, and the light source 22 is disposed on the fixing device.

The light sources 22 are illuminated to the inner side surface 12 of the electronic device housing 10 to illuminate the corresponding recessed portions 122 to present the pattern shape of the recessed portions 122 on the outer surface of the electronic device housing 10. The distance between the light source 22 and the concave portions 122 affects the sharpness of the pattern appearing on the outer surface of the casing 10, as opposed to the light source 22 The light received by the concave portion 122 is the strongest. Therefore, the light source 22 can clearly show the pattern of the corresponding concave portion 122 on the outer surface of the electronic device casing 10, and the other concave portions 122 are separated by the distance. The light source of the light is far away, and the received light is also weak. Therefore, the pattern at the other concave portion 122 does not clearly appear on the outer surface of the electronic device casing 10.

The electronic device of the present invention further includes a light shielding device 30 disposed between the inner side surface 12 and the light source 22, the light shielding device 30 separating the light sources 22 from each other to illuminate the light emitted by the light source 22 to the corresponding concave portion. At the entrance 122. The shading device 30 includes a first end portion 32 adjacent to the inner side surface 12. The first end portion is provided with a plurality of positioning holes 326. The positioning holes 326 cooperate with the positioning pins 16 to position the shading device 30. On the inner side 12 of the electronic device housing 10 (please refer to FIG. 3). At least one hollow light-shielding tube 36 extends from the first end portion 32 toward the circuit board 20, and the two ends of the light-shielding tube 36 are respectively disposed on the concave portions 122 having the pattern shape and the light sources 22, The light emitted by the light sources 22 is blocked by the light-shielding cylinders 36, and is concentrated on the concave portions 122 having the pattern shape.

In another embodiment of the present invention, the light shielding device 30 may also be composed of a plurality of partition plates, one end of the partition plate is fixed between the adjacent light sources 22, and the other end is fixed to the adjacent concave portion 122. The light sources 22 are spaced apart and the concave portions 122 are spaced apart so that the light emitted by the light source 22 is concentrated to illuminate the corresponding concave portions 122.

In other embodiments of the present invention, the light source 22 may also be fixed to one end of the shading device 30 away from the first end portion 32 thereof.

Referring to FIG. 2 and FIG. 4 , in order to make the shading effect of the shading device 30 better, a first sealing device 40 is further disposed between the shading device 30 and the inner side surface 12 . The shading device 30 and the circuit board 20 are disposed. A second sealing device 50 is also provided between them. The first sealing device 40 is attached to the concave portion 122 of the inner side surface 12 and covers the concave portions, and the area covered by the first sealing device 40 is slightly larger than the area of the end surface of the first end portion 32 of the light shielding device 30. The first sealing device 40 is provided with at least one through hole 42 . The area of the through holes 42 is equal to or slightly larger than the area of the concave portions 122 , and the concave portions 122 are exposed from the through holes 42 . The second sealing device 50 is at least one annular sealing ring respectively attached to the periphery of the light sources 22 . In the present embodiment, the second sealing device 50 is housed in the light-shielding cylinders 36. The first and second sealing devices 40, 50 are all compressible materials such as foam.

By the first and second sealing devices 40, 50, the light emitted by the light sources 22 can be prevented from being emitted from the gap between the light shielding device 30 and the inner side surface 12 and the circuit board 20, so that the light sources 22 are The emitted light is more concentratedly irradiated to the corresponding concave portion 122 to give a more clear pattern effect to the outer surface of the electronic device.

The housing 10 of the above-mentioned electronic device to which the present invention is applied is not particularly limited in terms of material selection, and can be manufactured using various plastic materials; and the concave portion 122 having the pattern shape can be directly injection molded on the inner surface of the casing 10 12, since the wall thickness of the concave portion 122 of the casing 10 is smaller than other portions of the casing, the light transmittance of the concave portion 122 is relatively better, and the light source 22 is used by the light shielding device 30 and the sealing device 40, 50. The emitted light is concentrated on these The recessed portion 122 causes a clear pattern of light effects to appear on the outer surface of the housing 10. When the light source 22 does not emit light, no pattern is visible on the outer surface of the casing 10. Therefore, the electronic device to which the illustrated device of the present invention is applied can greatly save cost without damaging the integrity of the outer surface of the casing 10.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art of the present invention should be included in the following claims.

100‧‧‧Electronic devices

10‧‧‧shell

12‧‧‧ inside

122‧‧‧ recessed section

13‧‧‧ accommodating space

14‧‧‧Positioning column

16‧‧‧Locating pin

20‧‧‧ boards

24,326‧‧‧Positioning holes

30‧‧‧shading device

32‧‧‧First end

36‧‧‧Lighting tube

40‧‧‧First sealing device

42‧‧‧through hole

Claims (13)

An electronic device includes: a housing, wherein the housing defines a receiving space, and includes an inner side surface, wherein the inner side surface is provided with at least one concave portion, the housing is made of a plastic material, and the at least one concave portion And the housing is formed by one injection molding; at least one light source is fixed in the receiving space and disposed opposite to the at least one concave portion; wherein the at least one concave portion is formed with a light transmissive pattern shape, the at least Light emitted by a light source is incident on the at least one recess, and the pattern shape on the at least one recess is formed on the outer surface of the housing. The electronic device according to claim 1, wherein the material of the casing is a opaque plastic material. The electronic device of claim 1, further comprising a circuit board disposed in the receiving space and fixedly connected to the housing, the at least one light source being fixed on the circuit board. The electronic device of claim 3, further comprising a plurality of positioning posts extending from the inner side toward the receiving space, wherein the circuit board is provided with a plurality of positioning holes, and the positioning holes cooperate with the positioning posts to The circuit board is secured within the housing. The electronic device of claim 1, further comprising a light shielding device disposed between the inner side surface and the at least one light source for separating the light sources from each other. The electronic device of claim 5, wherein the shading device comprises at least one hollow light-shielding tube, and the two ends of the light-shielding tube are respectively disposed on the concave portions and the light sources. The electronic device of claim 5, further comprising a plurality of positioning pins extending from the inner side toward the receiving space, the light shielding device is provided with a plurality of positioning holes, and the positioning holes cooperate with the positioning pins to The shading device is fixed in the housing. The electronic device of claim 5, further comprising a first sealing device disposed between the light shielding device and the inner side surface to prevent light emitted by the light sources from being between the light shielding device and the inner side surface The gap is shot. The electronic device of claim 5, further comprising a second sealing device disposed between the light shielding device and the at least one light source to prevent light emitted by the light sources from the light shielding device and the circuit board The gap between them is emitted. The electronic device of claim 9, wherein the second sealing device is at least one annular sealing ring disposed at a periphery of the light sources. The electronic device of claim 10, wherein the annular seals are housed in the light-shielding cylinders. The electronic device of claim 8 or 9, wherein the first and second sealing devices are made of a compressible material. The electronic device of claim 12, wherein the compressible material is foam.