CN210431494U

CN210431494U - Electronic equipment

Info

Publication number: CN210431494U
Application number: CN201922012403.9U
Authority: CN
Inventors: 常明; 董飞; 许经纬; 苏江
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-04-28
Anticipated expiration: 2029-11-20

Abstract

An embodiment of the utility model provides an electronic equipment relates to mobile communication technical field. The electronic equipment comprises a light-transmitting cover, at least one light-emitting part and a light-guiding part, wherein the at least one light-emitting part and the light-guiding part are arranged on the inner side of the light-transmitting cover; the light-emitting piece comprises a light source and a circuit board capable of shading light, and the circuit board is positioned between the light source and the light-transmitting cover and supplies power to the light source; the light guide piece comprises a connecting part, and the connecting part and the light source are located on the same side of the circuit board and are respectively connected with the circuit board. The embodiment of the utility model provides an utilize the circuit board to shelter from the light of light source department, covered the problem that corresponds partly high bright with the light source to a certain extent after having avoided.

Description

Electronic equipment

Technical Field

The embodiment of the utility model provides a relate to mobile communication technical field, especially relate to an electronic equipment.

Background

With the rapid development of mobile communication technology, consumers are no longer satisfied with the improvement of the performance of electronic devices, and the requirements on the appearance are higher and higher. Originally, the electronic device rear cover only plays a role in protecting the electronic device, and the appearance is single. The structure that lid, printing opacity back lid set up luminescent light and leaded light membrane behind the printing opacity adopted current electronic equipment, utilizes leaded light membrane to receive and scatter the light that the luminescent light sent to this lid lamp effect after realizing. However, the structure has the problems that the shading effect at the position of the luminescent lamp is poor, the corresponding position of the rear cover is locally high, and the whole luminescent effect of the rear cover is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic equipment to it is poor to solve current electronic equipment luminescent light department shading effect, the local highlight problem of back lid.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:

the embodiment of the utility model provides an electronic device, which comprises a light-transmitting cover, at least one light-emitting part and a light-guiding part, wherein the light-emitting part and the light-guiding part are arranged on the inner side of the light-transmitting cover; the light-emitting piece comprises a light source and a circuit board capable of shading light, and the circuit board is positioned between the light source and the light-transmitting cover and supplies power to the light source; the light guide piece comprises a connecting part, and the connecting part and the light source are located on the same side of the circuit board and are respectively connected with the circuit board.

Based on above-mentioned technical scheme, the light that the light source sent is jetted out by the printing opacity lid after the leaded light spare conduction, realizes that the lid sends out light effect behind the electronic equipment. The light source is arranged on the circuit board, the circuit board faces the light-transmitting cover, the circuit board not only supplies power for the light source, but also has certain shading performance due to the determination of the material and the thickness of the circuit board, light rays emitted by the light source can be shaded, and the problem that the back cover of the electronic equipment is locally high due to the poor shading effect of the light source is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic diagram of a rear cover of an electronic device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a light emitting element and a light guiding element according to an embodiment of the present invention;

FIG. 3 is another structural diagram of the light emitting member and the light guiding member according to the embodiment of the present invention;

FIG. 4 is a schematic view of an assembly of a lighting element according to an embodiment of the present invention;

fig. 5 is another schematic assembly view of a lighting element according to an embodiment of the present invention.

Description of reference numerals: 1-rear camera; 2-a light-transmitting cover; 3-middle frame; 4-a light emitting member; 5, a light guide part; 6-a stiffening plate; 7-flexible circuit board; 8, supporting foam; 9-a light source; 10-a light-shielding film; 11-soaking cotton; 12-double sided adhesive tape; 13-an effect film; 14-a diffusion membrane; 15-a light-guiding film; 16-a reflective film; 17-soaking cotton double-sided adhesive tape; 18-screen; 19-a main board; 20-sticking position; and 21, slotting.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms "first" and "second" in the description and claims of the present invention are used for distinguishing between different objects and not for describing a particular order of the objects. Wherein the first surface and the second surface are for distinguishing between different surfaces and are not for describing a particular order of the surfaces.

The term "and/or" herein is an association relationship describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, a/B denotes a or B.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," in an embodiment of the present invention should not be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

In the description of the embodiments of the present invention, "a plurality" means two or more unless otherwise specified.

An embodiment of the utility model provides an electronic equipment, this electronic equipment can be for cell-phone, panel computer, electronic book reader, dynamic image expert compression standard Audio frequency aspect 3(Moving Picture Experts Group Audio Layer III, MP3) player, dynamic image expert compression standard Audio frequency aspect 4(Moving Picture Experts Group Audio Layer IV, MP4) player, laptop portable computer, vehicle-mounted computer, desktop computer, intelligent TV, wearable equipment etc. the utility model discloses do not limit to this. For convenience of explanation, the present invention is described with a mobile phone as a specific embodiment of the electronic device of the present invention. As shown in fig. 4 and 5, the electronic device may include a screen 18 for displaying, a middle frame 3, a rear cover, and the like, and the rear camera 1 may be further disposed on the rear cover.

As shown in fig. 4 and 5, an embodiment of the present invention provides an electronic device, which includes a transparent cover 2, at least one light emitting element 4 and a light guiding element 5 disposed inside the transparent cover 2. As shown in fig. 2 and 3, the light emitting member includes a light source 9 and a light-shielding circuit board, the circuit board is disposed between the light source 9 and the light-transmitting cover 2, and the circuit board supplies power to the light source 9 and controls the light source to emit light of a predetermined intensity and color at a predetermined time. The light guide 5 includes a connection portion, which is located at the same side of the circuit board as the light source 9 and is connected to the circuit board of the light emitting member 4. Connecting portion and 4 accessible double faced adhesive tapes of illuminating part, glue and wait the mode connection, the embodiment of the utility model provides a do not do the restriction to this. Light emitted by the light source 9 is collected by the light guide part 5 and converted into a surface light source, and light emitted by the surface light source is emitted out through the light-transmitting cover 2, so that the effect of the rear cover of the electronic equipment is realized. The circuit board has certain shading performance due to the material and thickness, the circuit board is arranged between the light source 9 and the light-transmitting cover 2, and light rays of the light source 9 directly emitted to the light-transmitting cover 2 are blocked by the circuit board, so that the problems that the shading effect of the light source in the existing structure is poor, and the rear cover of the electronic equipment is locally high are solved.

In the embodiment of the present invention, one or more light emitting elements 4 and light guiding elements 5 can be disposed according to specific light effect requirements, for example, to realize "L" type light effect, one "L" type light guiding element 5 can be used, or two "one" type light guiding elements 5 can be selected; the light emitting member 4 may be provided only at one end of the light guide member 5, or the light emitting members 4 may be provided at both ends of each light guide member 5. The embodiment of the present invention does not limit the number of the light emitting members 4 and the light guiding members 5.

The embodiment of the utility model provides an in, printing opacity lid 2 can have the printing opacity function because transparent material or other light-permeable materials are made, and the light that can supply leaded light 5 to jet out realizes that the lid lamp is imitated behind the electronic equipment. The light guide 5 has a light incident surface, which may be any side of the light guide 5, and the light source 9 is disposed near, for example opposite to, the light incident surface. The light guide 5 includes a thin film having a high refractive index and light transmittance, such as a light guide film, and can convert a point light source of the light source 9 into a surface light source by using a total reflection phenomenon caused by a difference in refractive index between media. The light source 9 can be Light Emitting Diode (LED), light emitting chip, etc. and can emit light, can be monochromatic light source, also can be red, green and blue three-color light source, the embodiment of the utility model provides a do not limit this.

The circuit board is usually made of copper foil, metal coating, solder resist ink and other materials, and has a certain thickness, so that the circuit board has a certain light shielding capability. The circuit boards of different materials and thicknesses have different shading performance, and different circuit boards can be selected according to the intensity of light emitted by the light source 9 and the required lamp effect of the rear cover. This Circuit board can be flexible Circuit board (FlexiblePrinted Circuit, FPC) or printed Circuit board, the embodiment of the utility model provides a do not do the restriction to this. The circuit board supplies power to the light source 9, and simultaneously blocks light rays directly emitted from the light source 9 to the light-transmitting cover 2, so that local highlight of the light-transmitting cover 2 in an area corresponding to the light source is avoided.

Optionally, in the embodiment of the present invention, the circuit board is composed of a flexible circuit board 7 and a reinforcing plate 6. The reinforcing plate 6 is connected with the flexible circuit board 7, so that the bending resistance of the flexible circuit board 7 can be improved, and the flexible circuit board 7 is well shaped and protected. The reinforcing plate 6 can be a hard sheet or a plate-shaped device, such as a steel sheet or an aluminum sheet, and the embodiment of the present invention does not limit this. When the reinforcing plate is made of steel sheet, aluminum sheet or the like, the reinforcing plate also has certain shading performance and can play a certain role in blocking light rays emitted from the light source 9 to the light-transmitting cover 2. Therefore, on the basis of shading of the flexible circuit board 7, the problem that the rear cover of the electronic equipment is locally high can be better solved.

Optionally, in the embodiment of the present invention, the light guide 5 includes a connecting portion, the connecting portion is connected to the circuit board, the connecting portion is provided with a slot 21, and the light source 9 is placed in the slot and connected to the circuit board located at the bottom of the slot 21, as shown in fig. 2. In the processing, the light guide 5 in a sheet or block shape may be used, the groove 21 may be directly processed in the light guide 5, and the light source 9 may be placed in the groove 21. The embodiment of the utility model provides a processing is convenient, through placing light source 9 in the fluting 21 of leaded light spare 5 for leaded light spare 5 encircles light source 9, and the light that the side of light source 9 sent all gets into leaded light spare 9, and not direct directive electronic equipment's screen 18 or transparent cover can effectively reduce the light leak phenomenon.

Further, in the embodiment of the present invention, the light emitting element 4 further includes a light shielding film 10 besides the circuit board and the light source 9. The light source 9 is disposed between the light shielding film 10 and the circuit board, that is, one surface of the light source 9 is connected to the circuit board, the side surface is surrounded by the light guide member 5, and the remaining surface is opposed to the light shielding film 10. The shading device may be a black and white film, the black surface of which is opposite to the light source 9, and which can be connected with the light source 9 or spaced from the light source 9 by a certain distance. Since the black surface has an excellent light-shielding effect, the light-shielding film 10 can absorb the light emitted from the light source 9 through the black surface, and prevent the light from being emitted to the screen 18 side of the electronic device to affect the normal display of the screen 18, or from being transmitted through the gap between the screen 18 and the middle frame 3 of the electronic device to affect the appearance of the electronic device.

Wherein the black and white film is made of Polyethylene Terephthalate (PET), and has uniform black surface color, bright and smooth surface and no color loss; the black and white film has black and white surfaces, one surface is a white bright surface and has good light reflection effect, and the other surface is a black matte surface and does not reflect light, and the black matte surface can also be made into a black light reflection surface. The shading effect is good, the reflectivity of the white surface can reach more than 88%, and the reflection effect is good. The black and white film is a white high-density PET film (with the thickness of 0.025-0.5 mm), one surface of the black and white film is coated with a black nano-technology-level coating, the number of times of coating is usually 8-12, the thickness is more than 0.003mm, and the black and white film can be determined according to the density of the coating. White PET is coated with black, the coated side becomes black, and the other side without the coating is still white, so the film is called black and white. The black and white color light-shading adhesive has the characteristics of excellent shading of black surfaces, good light reflection of white surfaces, moisture resistance, ultraviolet resistance and good shading effect, and is moderate in viscosity, and no adhesive residue is left after tearing off.

Further, in the embodiment of the present invention, the light emitting element 4 further includes a foam 11 besides the circuit board, the light source 9 and the light shielding film 10. The light source 9 is placed in the slit 21 of the connection portion, and the light source 9 and the connection portion are located between the circuit board and the light shielding film 10. The foam 11 is disposed between the connection portion and the light shielding film 10, and is connected to the connection portion and the light shielding film 10, respectively. The connection mode can be specifically, bonding with double faced adhesive tape 12, and the embodiment of the present invention does not limit this. Wherein, the foam 11 is formed by foaming plastic particles, and has the characteristics of elasticity, light weight, convenient use, reliable performance and the like. According to the difference of plastic material, can be polyurethane (PloyUrethane, PU) bubble cotton, pearl cotton etc. this the embodiment of the utility model does not limit. The embodiment of the utility model provides an in, bubble cotton 11 has a take the altitude, sets up at the photomask 10 on the cotton 11 surface of bubble and light source 9 direct contact not, has realized the design of keeping away the sky of light source 9 to improve the heat dissipation of light source 9, avoided because of the overheated safety problem that probably leads to of light source 9.

Optionally, in the embodiment of the present invention, as shown in fig. 3, the light source 9 may be disposed on the side of the light guide 5, the supporting foam 8 is disposed on other sides of the light source 9, the supporting foam and the light guide 5 surround the light source 9, and the light can be effectively prevented from directly emitting to the screen 18 or the light transmitting cover 2 of the electronic device from the side of the light source 9. The shading film 10 can be arranged above the light source 9, and the shading film 10 is respectively connected with the supporting foam 8 and the light guide part 5, so that light rays emitted to one side of the screen 18 by the light source 9 can be effectively shaded. Further, foam 11 can be arranged between the light guide part 5 and the shading film 10, and the shading film 10 is respectively connected with the foam 11 and the supporting foam 8, so that the shading film 10 and the light source 9 are separated by a certain distance, and the space-avoiding design is realized.

Optionally, in the embodiment of the present invention, the electronic device further includes a main board 19 and an auxiliary board. The luminous element 4 is arranged between the main board 19 or the auxiliary board and the light-transmitting cover 2, so that the problem of safety of electronic equipment caused by centralized placement of the battery, the light source 9 and the circuit board due to the fact that the luminous element 4 is arranged in a battery compartment area is avoided.

Further, the embodiment of the utility model provides an in, the side of leaded light 5 is provided with two illuminating parts 4 at least, and the light source 9 quantity of each illuminating part 4 can be decided according to the light efficiency needs, can be the same also can be different, the embodiment of the utility model provides a do not restrict the light source 9 quantity of each illuminating part 4. Illustratively, two light emitting members 4 may be provided, and the number of the light sources 9 in the two light emitting members 4 is the same, for example, two LED lamps are provided, so that a more symmetrical and uniform light effect can be formed. Three light-emitting elements 4 can be arranged according to specific light effect requirements, wherein two light-emitting elements 4 are arranged in the area of the main board 19, the other light-emitting element 4 is arranged in the area of the auxiliary board, and the number of the light sources 9 in the three light-emitting elements 4 is different, such as 5, 4 and 3 LED lamps respectively; the more the LED lamps are, the higher the intensity of the light emitted by the LED lamps is, the higher the intensity of the surface light source formed by the conduction and diffusion of the light guide part 5 is, so that a light emitting region with the illumination intensity from strong to weak is formed, and the gradual change of the lamp effect is visually formed.

Optionally, in the embodiment of the present invention, the light guide 5 includes a light guide film 15, a reflective film 16 and a diffusion film 14. The diffusion film 14 is disposed on a side surface of the light guiding film 15 close to the light-transmitting cover 2, and the reflective film 16 is disposed on a side surface of the light guiding film 7 far from the light-transmitting cover 2. The light guide film 15 has a high refractive index and a high light transmittance, and can convert a point light source of the light source 9 into a surface light source by using a total reflection phenomenon due to a difference in refractive index between media. The diffusion film 14 may be made of a PET material in which light is refracted, reflected, and scattered multiple times, thereby being diffused to be soft and uniform. The light emitted from the light guide film 15 has a strong granular feeling, is diffused by the diffusion film 14 to become soft and uniform, and is then emitted from the light-transmitting cover 2. The reflective film 16 may be a black and white film, the white surface of the black and white film faces the light guide film 15, and the reflective film 16 emits the light emitted from the light guide film 15 toward the light-transmitting cover 2.

Further, in the embodiment of the utility model provides an in, leaded light 5 still includes effect membrane 13, and effect membrane 13 sets up in diffusion membrane 14 and the relative one side of printing opacity lid 2, and the light that makes diffusion membrane 14 come out realizes light effects such as solid, dot matrix, glare. The effect film 13 may be a PET film, a Polypropylene (PP) film, a polyvinyl chloride (PVC) film, or the like, and light passing through the effect film 13 may exhibit a precise optical texture to achieve a predetermined lighting effect.

Optionally, in the embodiment of the present invention, the electronic device further includes a foam double-sided adhesive tape 17, and the foam double-sided adhesive tape 17 is adhered to the light-transmitting cover 2 and the circuit board, as shown in fig. 4. The light guide member 5 is connected with the light emitting member 4, the light emitting member 4 is adhered to the inner side of the light transmitting cover 2 through the foam double-sided adhesive 14, during assembly, the circuit board of the light emitting member 4 is adhered to the inner side of the light transmitting cover 2 through the foam double-sided adhesive 17, then the connector of the circuit board is connected with the main board 19 or the auxiliary board, and finally the whole light transmitting cover 2 is buckled with the whole electronic equipment. The embodiment of the utility model provides a, the mode that utilizes the cotton double faced adhesive tape 17 of bubble to bond connects reliably, assembly process is simple. Alternatively, as shown in fig. 5, the bonding position 20 of the light emitting member 4 may be placed on the main board area of the electronic device. During assembly, the shading film 10 of the light-emitting element 4 is firstly bonded to the main board area through the foam double-sided adhesive tape 17, then the connector of the circuit board is connected with the main board 19 or the auxiliary board, and finally the whole transparent cover 2 is buckled with the whole electronic equipment.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.

Claims

1. An electronic device, comprising:

the light-transmitting cover, at least one light-emitting part and the light-guiding part are arranged on the inner side of the light-transmitting cover;

the light-emitting piece comprises a light source and a circuit board capable of shading light, and the circuit board is positioned between the light source and the light-transmitting cover and supplies power to the light source;

the light guide piece comprises a connecting part, and the connecting part and the light source are located on the same side of the circuit board and are respectively connected with the circuit board.

2. The electronic device of claim 1, wherein the circuit board specifically comprises:

the flexible printed circuit board comprises a flexible printed circuit board and a reinforcing plate, wherein the reinforcing plate is connected with the flexible printed circuit board;

the reinforcing plate is opposite to the light-transmitting cover, and the flexible circuit board is connected with the connecting part and the light source respectively.

3. The electronic device of claim 1 or 2,

the connecting part is provided with a slot, and the light source is positioned in the slot.

4. The electronic device of claim 3, wherein the light emitting member further comprises:

a light shielding film, the light source being disposed between the light shielding film and the circuit board.

5. The electronic device of claim 4, wherein the light emitting member further comprises:

the foam is respectively connected with the connecting part and the shading film, and a gap is formed between the shading film and the light source.

6. The electronic device according to claim 1 or 2, wherein the light emitting member further comprises:

supporting foam and a light shielding film;

the supporting foam is connected with the circuit board and is opposite to the light source;

the shading film is respectively connected with the supporting foam and the connecting part, and the light source is arranged between the shading film and the circuit board.

7. The electronic device of claim 1, comprising:

at least two of the light emitting members, each of the light emitting members having a different number of the light sources.

8. The electronic device of claim 1, wherein the light guide comprises:

a light directing film, a light reflecting film, and a diffusing film;

the light guide film comprises a first surface opposite to the light transmitting cover and a second surface opposite to the first surface;

the diffusion film is arranged on the first surface, and the reflective film is arranged on the second surface.

9. The electronic device of claim 8,

the light guide member further comprises an effect film, the effect film is arranged on the third surface of the diffusion film, and the third surface is opposite to the light-transmitting cover.

10. The electronic device of claim 1, further comprising:

and the foam double-sided adhesive tape is respectively bonded with the light-transmitting cover and the circuit board.