TWI656337B - Electronic device - Google Patents

Abstract

An electronic device includes a casing, a carrier board, a light source, a waterproof sticker and a light guide element. The casing has an opening, and the carrier board and the light source are arranged in the casing. The waterproof sticker is set on the carrier board and located on one side of the light source. The light guide element disposed above the waterproof sticker has an entrance end and an exit end, wherein the entrance end is disposed adjacent to the light source and the exit end is disposed adjacent to the opening, and the entrance end receives and guides the light emitted by the light source to illuminate the waterproof sticker, the light guide element The light reflected by irradiating the waterproof sticker is guided to display the color of the waterproof sticker in the opening through the exit end.

Description

Electronic device

The invention relates to an electronic device, and in particular to an electronic device which is convenient for judging whether or not water has been entered.

In today's technology products, waterproof stickers that change color when exposed to water are usually added to the inside of the product to determine and identify whether the product has been flooded in response to maintenance needs.

FIG. 1A is a schematic diagram of a waterproof sticker disposed adjacent to an input / output hole, and FIG. 1B is a schematic diagram of a waterproof sticker disposed adjacent to an assembly gap. Please refer to FIGS. 1A and 1B at the same time. The waterproof sticker 110 is generally attached near the internal input / output hole 120 of the product 100 (shown in FIG. 1A) or the assembly gap S (shown in FIG. 1B). This is to avoid though The product 100 has been flooded with water, but the penetration of the water is not deep enough, and the waterproof sticker 110 has not changed color without being noticed.

In order not to damage the appearance and other external factors, the waterproof sticker 110 is attached to the inside of the product 100, but it is impossible to easily determine whether the product 100 has been flooded before maintenance. In order to see whether the waterproof sticker 110 has changed color. This is quite inconvenient for maintenance personnel.

The invention provides an electronic device which can easily distinguish whether water has ever been entered without disassembling the machine.

An electronic device of the present invention includes a housing, a carrier board, a waterproof sticker, a light source, and a light guide element. The casing has an opening, and the carrier board and the light source are arranged in the casing. The waterproof sticker is arranged on the carrier board and is located on one side of the light source. When the light of the light source irradiates the waterproof sticker, the waterproof sticker reflects the light of the light source to generate a reflected light. The light guide element is disposed on the side of the carrier board where the waterproof sticker is provided, and has an incident end and an exit end. The incident end is disposed adjacent to the light source and the exit end is disposed adjacent to the opening. The light guide element guides the reflected light through the exit end and displays the color of the waterproof sticker on the opening.

In an embodiment of the invention, the light guide element is a light guide post or a light guide cover.

In an embodiment of the present invention, when the light guide element is the light guide post, the exit end is further provided to the opening.

In an embodiment of the invention, the exit end has a surface exposed by the casing and having a pattern, and the surface has a pattern.

In an embodiment of the invention, the outer surface of the light guide column is coated with a layer of opaque film.

In an embodiment of the invention, the shape of the light guide column is V-shaped.

In an embodiment of the invention, when the light guide element is a light guide cover, the carrier board It also has an opening, and the waterproof sticker covers the opening. The electronic device further includes a light guide column, which is arranged at the exit end and is suitable for collecting and guiding the reflected light to the opening.

In an embodiment of the invention, the light source is a light emitting diode.

Based on the above, the electronic device of the present invention is provided with an opening in the case, and the light source and the light guide element are arranged to allow light to illuminate the waterproof sticker and reflect from the opening to emit light. Therefore, it is possible to directly judge whether the waterproof sticker is without disassembling the machine Change color to infer whether the electronic device has ever seen water infiltrate.

In order to make the above-mentioned features and advantages of the present invention more obvious and understandable, the embodiments are specifically described below in conjunction with the accompanying drawings for detailed description as follows.

100‧‧‧Product

110‧‧‧Waterproof sticker

120‧‧‧Internal input / output hole

S‧‧‧Assembly gap

200, 200a‧‧‧Electronic device

210‧‧‧Chassis

212‧‧‧ opening

220‧‧‧ carrier board

222‧‧‧opening

230‧‧‧Waterproof sticker

232‧‧‧First floor

234‧‧‧Second floor

240‧‧‧Light source

250‧‧‧Light guide element

251‧‧‧Light guide column

255‧‧‧Light guide column

252‧‧‧incident end

252a, 254a, 255a‧‧‧surface

253‧‧‧Light guide

254‧‧‧ Shooting end

260‧‧‧opaque film

FIG. 1A is a schematic diagram of a waterproof sticker disposed adjacent to an input / output hole.

FIG. 1B is a schematic diagram of the gap between the waterproof sticker and the assembly.

2 is a partial schematic diagram of an electronic device according to an embodiment of the invention.

FIG. 3 is a schematic diagram of changes of the waterproof sticker after the electronic device of FIG. 2 is wet.

FIG. 4 is a schematic diagram of selecting a light guide cover for a light guide element in an electronic device.

Fig. 5 is a schematic diagram of the change of the waterproof sticker after being wet.

2 is a partial schematic diagram of an electronic device according to an embodiment of the invention. Please refer to FIG. 2, the electronic device 200 includes a casing 210, a carrier board 220, and a waterproof sticker 230, a light source 240 and a light guide element 250. The casing 210 has an opening 212, and the carrier board 220 is disposed in the casing 210. The waterproof sticker 230 is disposed on the carrier board 220, and the light source 240 is disposed in the casing 210 and located on one side of the waterproof sticker 230. The light guide element 250 is disposed on the side of the carrier board 220 where the waterproof sticker 230 is provided (ie, above the waterproof sticker 230), and has an incident end 252 and an exit end 254, wherein the incident end 252 is disposed adjacent to the light source 240 and the exit end 254 is disposed adjacent to the opening 212. When the light source 240 emits light, the incident end 252 receives and guides the light emitted by the light source 240 to illuminate the waterproof sticker 230 and reflects it to generate reflected light, and the light guide element 240 guides the reflected light through the exit end 254 to pass through the waterproof sticker The reflected light of 230 is displayed in the opening 212. To put it simply, the reflected light generated by the light after being irradiated to the waterproof sticker 230 will show the color of the waterproof sticker 230, so the personnel can easily determine the color of the waterproof sticker 230 through the visual opening 212.

The electronic device 200 in this embodiment may be a smart phone, a tablet, or a notebook computer, and the carrier board 220 may be a circuit board, or another board provided without a circuit setting thereon, and is not limited to the circuit board. The light source 240 is a light-emitting diode, and the light guide element 250 may use a light guide post 251, wherein the shape of the light guide post 251 may be substantially V-shaped, or may be changed according to actual requirements. The exit end 254 of the light guide column 251 may be further disposed at the opening 212, and a layer of opaque film 260 is coated on the light guide column 251 to prevent light leakage during the light transmission in the light guide column 251. It should be noted that the opaque film 260 exposes the surface 252a of the light guide post 251 for receiving the light source 240, the surface 254a for emitting light 254 and the waterproof sticker 230 corresponding to the light emitting end 254. In addition, the exit end 254 exposed to the surface 254a of the housing 210 may be It has a pattern, such as a matte surface on the surface 254a to make the light emitted from the surface 254a more uniform.

Please continue to refer to FIG. 2, the waterproof sticker 230 has two layers, wherein the waterproof sticker 230 shows a first color toward the first layer 232 of the light guide column 251 when dry, and the second layer 234 closely connected to the carrier board 220 Second color. When the electronic device 200 needs to be repaired, the maintenance personnel can determine whether the electronic device 200 has been flooded by observing the color of the emitted light through the opening 212 from the emission end 254.

In detail, in the case where the electronic device 200 has never received water, the light emitted by the light source 240 enters the light guide column 251 through the surface 252a of the incident end 252 of the light guide column 251 (light guide element 250) and is received by the light guide column 251 After the guide is irradiated onto the waterproof sticker 230, the reflected light is generated. The light guide column 251 guides the reflected light through the exit end 254 to display the color of the waterproof sticker 230 in the opening 212. At this time, the waterproof sticker 230 is not exposed to moisture, so the waterproof sticker 230 The sticker 230 and the reflected light reflected from the waterproof sticker 230 will show the first color, and will be emitted from the surface 254a of the emitting end 254 guided by the light guide column 251, in which more uniform light can be emitted due to the bite pattern of the surface 254a .

From the above, the maintenance personnel can simply determine that the electronic device 200 is not wet by the reflected light of the first color emitted from the surface 254a of the exit end 254 of the light guide column 251 provided at the opening 212, and then decide whether to disassemble according to maintenance needs The casing 210 of the electronic device 200 is opened for maintenance.

FIG. 3 is a schematic diagram of changes of the waterproof sticker after the electronic device of FIG. 2 is wet. Please refer to FIG. 3, when water or moisture penetrates into the interior of the housing 210 of the electronic device 200, The first layer 232 of the waterproof sticker 230 becomes transparent due to the influence of the humid environment, so the light emitted from the light source 240 penetrates the first layer 232 of the waterproof sticker 230 to irradiate the waterproof sticker 230 and reflects, the reflected light presents the second layer The color of 234 (ie, the second color), and the reflected light exhibiting the second color is guided by the light guide element 250 and exits from the surface 254a of the exit end 254.

Therefore, the maintenance personnel can directly visualize the reflected light of the second color emitted from the surface 254a of the exit end 254 of the light guide element 250 (light guide post 251) provided at the opening 212 to simply determine that the electronic device 200 has been wet, and then The casing 210 of the electronic device 200 is disassembled for maintenance according to maintenance requirements.

In other embodiments, the light guide element 250 may also be implemented in other forms. For example, the light guide element 250 may be a light guide cover 253.

The following embodiment is described by using the light guide element 253 as the light guide element 250. This embodiment is substantially the same as the previous embodiment, and the same or similar elements are marked with the same or similar element symbols. In addition, for the sake of brevity of the description, the description of the same points will not be repeated.

FIG. 4 is a schematic diagram of a light guide cover used for a light guide element in an electronic device, and FIG. 5 is a schematic diagram of changes of a waterproof sticker after being wet. Please refer to FIGS. 4 and 5 at the same time. In the electronic device 200a of this embodiment, the light guide 253 is selected as the light guide element 250. The light guide 253 also has an incident end 252 and a corresponding opening 212 corresponding to the light source 240 The output end 254 is provided, in which the light guide cover 253 covers the waterproof sticker 230 from above the waterproof sticker 230, wherein the outer surface of the light guide cover 253 may be coated with a layer of opaque film 260 or dark black coating to achieve The effect of preventing light leakage. of course, The light guide cover 253 may be directly made of a material that does not have translucency.

Since the light guide cover 253 covers the waterproof sticker 230 from above the waterproof sticker 230, when the electronic device 200 is immersed in water, water or moisture may be more difficult to infiltrate from above the waterproof sticker 230, and in order to avoid the waterproof sticker 230 because of the carrier board The sandwiching of the 220 and the light guide cover 253 cannot achieve its effect. Therefore, an opening 222 can be further provided in the carrier board 220 and the waterproof sticker 230 can be covered on the opening 222. As a result, water or moisture may penetrate the waterproof sticker 230 through the opening 222 from the side of the carrier board 220 where the waterproof sticker 230 is not provided, and the waterproof sticker 230 is therefore wet, so the first layer 232 of the waterproof sticker 230 becomes transparent, Therefore, the light irradiated on the waterproof sticker 230 will reflect the second color of the second layer 234 after being reflected.

Incidentally, in order to improve the luminous efficiency, the electronic device 200a may further include a light guide post 255 disposed above the waterproof sticker 230 and passing through the exit end 254 to be placed in the opening 212, wherein the light guide post 255 is used to collect and guide the light to The reflected light reflected by the waterproof sticker 230 exits from the opening 212 of the cabinet 210.

Incidentally, the end of the light guide post 255 in this embodiment that is relatively far from the waterproof sticker 230 is the same as the exit end 254 of the light guide post 251 of the previous embodiment, is disposed at the opening 212 of the housing 210, and is used to emit reflected light The surface 255a may have a pattern of biting flowers to facilitate the reflected light to be evenly emitted.

As can be seen from the above, the maintenance personnel can simply determine whether the electronic device 200a has been wetted by the color of the light emitted from the opening 212, without having to remove the opening case 210 to know.

In summary, the electronic device of the present invention facilitates With the arrangement of the light source and the light guide element, the light is irradiated to the waterproof sticker and reflected from the opening to illuminate. Therefore, the maintenance personnel can directly judge whether the waterproof sticker has changed color without disassembling the machine to infer whether the electronic device has ever penetrated. Compared with the prior art, it is necessary to disassemble the machine to confirm whether the electronic device has been infiltrated through the state of the waterproof sticker. The electronic device of the present invention is more convenient for maintenance.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

Claims (9)

An electronic device includes: a housing with an opening; a carrier board disposed in the housing; a light source disposed in the housing; a waterproof sticker disposed on the carrier board and located on the light source On one side, the waterproof sticker can reflect the light emitted by the light source to generate a reflected light; and a light guide element is provided on the side of the carrier board where the waterproof sticker is provided, has an incident end and an exit end, the incident The end is disposed adjacent to the light source and the exit end is disposed adjacent to the opening. The incident end is used to receive and guide the light of the light source to illuminate the waterproof sticker. The light guide element guides the reflected light through the exit end to the waterproof sticker. The color is shown in the opening. The electronic device as described in item 1 of the patent application scope, wherein the light guide element is a light guide post or a light guide cover. The electronic device as described in item 2 of the patent application range, wherein when the light guide element is the light guide column, the exit end is further provided to the opening. The electronic device as described in item 3 of the patent application range, wherein the exit end has a surface exposed by the casing, and the surface has a pattern. The electronic device as described in item 3 of the patent application scope, wherein the outer surface of the light guide column is coated with a layer of opaque film. The electronic device as described in item 3 of the patent application scope, wherein the shape of the light guide post is V-shaped. The electronic device as described in item 2 of the patent application range, wherein when the light guide element is the light guide cover, the carrier board further has an opening, and the waterproof sticker covers the opening. The electronic device as described in item 7 of the scope of the patent application further includes a light guide column disposed at the exit end, suitable for collecting and guiding the reflected light to the opening. The electronic device as described in item 1 of the patent application scope, wherein the light source is a light emitting diode.