CN214009134U - Light guide structure and electronic device - Google Patents
Light guide structure and electronic device Download PDFInfo
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- CN214009134U CN214009134U CN202023086244.6U CN202023086244U CN214009134U CN 214009134 U CN214009134 U CN 214009134U CN 202023086244 U CN202023086244 U CN 202023086244U CN 214009134 U CN214009134 U CN 214009134U
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Abstract
The utility model discloses a light-directing structure and electronic equipment. Wherein, light-directing structure includes photomask and leaded light membrane, and the photomask has the front and the back of setting back to back, and the annular light-emitting hole that link up front and back is seted up to the photomask, and the back has been seted up and has been dodged the groove, dodges groove and annular light-emitting hole interval setting for place the light source, leaded light membrane pastes and locates the back, and leaded light membrane has income plain noodles and goes out the plain noodles, and the income plain noodles sets up towards the light source, goes out the plain noodles and sets up towards annular light-emitting hole. The utility model provides a but light-directing structure of reduction energy consumption is provided.
Description
Technical Field
The utility model relates to a show the field, in particular to light guide structure and applied this light guide structure's electronic equipment.
Background
In electronic devices such as a sound box, a circular ring light emitting effect is generally required to be realized to enhance the appearance of the product. At present, the annular light-emitting effect is realized mainly by a mode of arranging an annular light bar or arranging a plurality of lamp beads in the annular direction, so that the energy consumption is large.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a light guide structure, which can reduce energy consumption.
In order to achieve the above object, the present invention provides a light guide structure, including:
the light shielding film is provided with a front surface and a back surface which are arranged oppositely, the light shielding film is provided with an annular light outlet which penetrates through the front surface and the back surface, the back surface is provided with an avoiding groove, and the avoiding groove and the annular light outlet are arranged at intervals and used for placing a light source; and
the light guide film is attached to the back face, the light guide film is provided with a light inlet face and a light outlet face, the light inlet face faces the light source, and the light outlet face faces the annular light outlet hole.
The utility model discloses an in the embodiment, go out the plain noodles and have annular light-emitting area, annular light-emitting area with annular light-emitting hole sets up relatively, just annular light-emitting area is equipped with coarse structure.
In an embodiment of the present invention, the light incident surface and the light emitting surface are disposed at an included angle.
In an embodiment of the present invention, the front surface corresponds to the position of the avoiding groove is provided with a convex hull, the avoiding groove is formed by extending the back surface into the convex hull.
In an embodiment of the present invention, the light guide structure further includes a reflective film, the reflective film is disposed on one side of the light guide film facing away from the light shielding film, and is disposed opposite to the light guide film.
In an embodiment of the present invention, the surface of the light guide film facing the light reflection film is a light reflection surface, and the back of the light reflection film faces the surface of the light guide film for covering the light.
In an embodiment of the present invention, the light shielding film further has a through hole penetrating the front surface and the first avoiding hole of the back surface, the first avoiding hole is provided in the inner side of the annular light emitting hole, the light guiding film has a second avoiding hole, the light reflecting film has a third avoiding hole, the first avoiding hole, the second avoiding hole and the third avoiding hole are mutually through.
In an embodiment of the present invention, the back surface is provided with two avoiding grooves, and the two avoiding grooves are respectively disposed on two sides of the annular light emitting hole; the both sides that the leaded light membrane is relative all are equipped with into plain noodles, each go into the plain noodles towards one dodge the groove setting.
In an embodiment of the present invention, the light shielding film is a polyethylene terephthalate film;
and/or, the light directing film is a polycarbonate film;
and/or light scattering particles are arranged in the light guide film.
The utility model also provides an electronic equipment, including light-directing structure, this light-directing structure includes:
the light shielding film is provided with a front surface and a back surface which are arranged oppositely, the light shielding film is provided with an annular light outlet which penetrates through the front surface and the back surface, the back surface is provided with an avoiding groove, and the avoiding groove and the annular light outlet are arranged at intervals and used for placing a light source; and
the light guide film is attached to the back face, the light guide film is provided with a light inlet face and a light outlet face, the light inlet face faces the light source, and the light outlet face faces the annular light outlet hole.
The light guide structure of the utility model is characterized in that the shading film is provided with an annular light outlet hole which penetrates through the front surface and the back surface, and the back surface of the shading film is provided with the avoiding groove, so that the light source is arranged in the avoiding groove; in addition, the back of the shading film is provided with a light guide film, so that the light incident surface of the light guide film faces the light source and the light emergent surface of the light guide film faces the annular light emergent hole; therefore, one lamp bead can be used as a light source, so that light emitted by the light source enters the light guide film from the light inlet surface of the light guide film, the light is uniformly dispersed in the light guide film after being diffused by the light guide film, and finally the light is uniformly emitted from the light outlet surface through the annular light outlet hole of the light shielding film, so that the annular light guide effect is realized. The annular light-emitting effect is achieved by avoiding using an annular light bar or arranging a plurality of lamp beads in the annular direction, so that the energy consumption can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a viewing angle according to an embodiment of the light guide structure of the present invention;
fig. 2 is a schematic structural view of another view angle of the light guide structure according to an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the light guide structure of the present invention;
fig. 4 is a schematic structural diagram of a part of the electronic device of the present invention;
FIG. 5 is a cross-sectional view taken at A '-A' of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
fig. 7 is an exploded view of a part of the structure of the electronic device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1000 | |
22 | |
| 100 | |
221 | Annular |
| 10 | |
23 | Second avoiding |
| 11 | Annular light-emitting |
24 | Second |
| 12 | Dodging |
30 | |
| 13 | Convex |
31 | |
| 14 | |
200 | Circuit arrangementBoard |
| 15 | A |
300 | |
| 20 | |
400 | Push- |
| 21 | Light incident surface |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment of the utility model provides a main solution is: a lamp bead can be used as the light source 300, so that the light emitted from the light source 300 enters the light guide film 20 from the light incident surface 21 of the light guide film 20, after being diffused by the light guide film 20, the light is uniformly dispersed in the light guide film 20, and finally the light is uniformly emitted from the light emitting surface 22 through the annular light emitting hole 11 of the light shielding film 10, so as to realize the annular light guide effect.
In the conventional electronic device 1000, the annular light-emitting effect is usually required to be realized to enhance the appearance of the product. At present, the annular light-emitting effect is realized mainly by a mode of arranging an annular light bar or arranging a plurality of lamp beads in the annular direction, so that the energy consumption is large.
Therefore, the present invention provides a light guide structure 100, which aims to provide a light guide structure 100 with low energy consumption.
Referring to fig. 1 to fig. 7, in an embodiment of the light guide structure 100 of the present invention, the light guide structure 100 includes:
the light shielding film 10 has a front surface and a back surface which are arranged oppositely, the light shielding film 10 is provided with an annular light emitting hole 11 which penetrates through the front surface and the back surface, the back surface is provided with an avoiding groove 12, and the avoiding groove 12 and the annular light emitting hole 11 are arranged at intervals and used for placing a light source 300; and
the light guide film 20 is attached to the back surface, the light guide film 20 has a light incident surface 21 and a light emitting surface 22, the light incident surface 21 faces the light source 300, and the light emitting surface 22 faces the annular light emitting hole 11.
It can be understood that, in the light guiding structure 100 of the present invention, the light shielding film 10 is provided with the annular light emitting hole 11 penetrating the front surface and the back surface, and the back surface of the light shielding film 10 is provided with the avoiding groove 12, so that the light source 300 is installed in the avoiding groove 12; in addition, the light guide film 20 is disposed on the back of the light shielding film 10, such that the light incident surface 21 of the light guide film 20 faces the light source 300, and the light emitting surface 22 of the light guide film 20 faces the annular light emitting hole 11; therefore, a lamp bead can be used as the light source 300, so that the light emitted from the light source 300 enters the light guiding film 20 from the light incident surface 21 of the light guiding film 20, after being diffused by the light guiding film 20, the light is uniformly dispersed in the light guiding film 20, and finally the light is uniformly emitted from the light emitting surface 22 through the annular light emitting hole 11 of the light shielding film 10, so as to realize the annular light guiding effect. The annular light-emitting effect is achieved by avoiding using an annular light bar or arranging a plurality of lamp beads in the annular direction, so that the energy consumption can be reduced.
In this embodiment, the light shielding film 10 is a black film with low light transmittance, and may be specifically an ABS film, a polyethylene terephthalate (PET) film, or the like. The light guide film 20 is a transparent or translucent film having an excellent light diffusion effect, and may be a polymethyl methacrylate (PMMA) film, a Polycarbonate (PC) film, or the like.
Referring to fig. 1 and fig. 3, in an embodiment of the light guiding structure 100 of the present invention, the light emitting surface 22 has an annular light emitting area 221, the annular light emitting area 221 is disposed opposite to the annular light emitting hole 11, and the annular light emitting area 221 has a rough structure. The material selected for the annular light-emitting area 221 can be Polycarbonate (PC), polyethylene terephthalate (PET), and other materials with high transmittance, and the rough structure is arranged in the annular light-emitting area 221 corresponding to the annular light-emitting hole 11, so that when the annular light-emitting area 221 passes through, the light-emitting direction of the light guide film 20 is changed through the rough structure, the light-emitting angle is diffused, the light-emitting area is increased, and the uniform light scattering effect is realized. Specifically, the rough structure may be a bump, a pit, an irregular grain, or the like.
Referring to fig. 6, in an embodiment of the light guiding structure 100 of the present invention, the light incident surface 21 and the light emitting surface 22 form an included angle.
Specifically, the light incident surface 21 is located on the side of the light guiding film 20, and the light emitting surface 22 is located on the surface of the light guiding film 20 facing the light shielding film 10, so that the light guiding film 20 enters light from the side, and the light source 300 can be installed on one side of the light guiding film 20 and arranged side by side with the light guiding film 20, thereby reducing the space occupied by the light guiding structure 100 in the longitudinal direction; compared with the prior art, the arrangement directly sets the light source 300 and the annular light outlet 11 relatively, so that the light guide structure 100 occupies a large space in the longitudinal direction, and cannot meet the requirement of the small-sized electronic device 1000.
Referring to fig. 1, fig. 3 and fig. 6, in an embodiment of the light guiding structure 100 of the present invention, the front surface corresponds to the position of the avoiding groove 12 is provided with a convex hull 13, and the avoiding groove 12 is extended from the back surface into the convex hull 13. The convex hull 13 can effectively increase the accommodating space of the avoiding groove 12, so that the light source 300 is stably accommodated in the avoiding groove 12, and the light emitted by the light source 300 can enter the light guiding film 20 through the light incident surface 21 of the light guiding film 20.
Referring to fig. 3 and fig. 6, in an embodiment of the light guide structure 100 of the present invention, the light guide structure 100 further includes a reflective film 30, the reflective film 30 is disposed on a side of the light guide film 20 opposite to the light shielding film 10, and is disposed opposite to the light guide film 20. By providing the light reflecting film 30 on the side of the light guide film 20 facing away from the light shielding film 10, light emitted from the surface of the light guide film 20 facing away from the light shielding film 10 can be reflected to reduce the light leakage phenomenon of the light guide film 20, thereby efficiently utilizing the light source 300.
Specifically, the areas of the light guide film 20 and the reflective film 30 are both smaller than the area of the light shielding film 10, and the area of the light guide film 20 is almost the same as the area of the reflective film 30; the light shielding film 10 and the light guide film 20 are bonded together by a back adhesive, and the light guide film 20 and the light reflecting film 30 may be bonded together by a back adhesive.
Referring to fig. 3 and fig. 6, in an embodiment of the light guide structure 100 of the present invention, the surface of the reflective film 30 facing the light guide film 20 is a reflective surface, and the surface of the reflective film 30 facing away from the light guide film 20 is a light shielding surface. The arrangement can fully reflect light emitted from the surface of the light guide film 20 opposite to the light shielding film 10 through the light reflecting surface, and can fully shield light through the light shielding surface, so as to further reduce the light leakage phenomenon of the light guide film 20.
Referring to fig. 3 in combination, in an embodiment of the light guiding structure 100 of the present invention, the light shielding film 10 has further been opened to have a through connection with the first avoiding hole 14 on the front surface and the back surface, the first avoiding hole 14 is opened in the inner side of the annular light emitting hole 11, the light guiding film 20 has been opened to have a second avoiding hole 23, the light reflecting film 30 has been opened to have a third avoiding hole 31, the first avoiding hole 14, the second avoiding hole 23 and the third avoiding hole 31 have a through connection with each other. When the light guide structure 100 is applied to the electronic device 1000, the key 400 in the electronic device 1000 respectively penetrates through the third avoiding hole 31, the second avoiding hole 23 and the first avoiding hole 14 to increase the compactness of the structure, and meanwhile, the light source 300 in the electronic device 1000 is inserted into the avoiding groove 12.
In this embodiment, an adhesive layer is disposed between the side edge of the light shielding film 10 close to the first avoiding hole 14 and the side edge of the light reflecting film 30 close to the third avoiding hole 31, which can prevent the light guiding film 20 from leaking light from the side edge of the second avoiding hole 23.
Specifically, a first annular structure 15 is disposed between the first avoiding hole 14 and the annular light emitting hole 11, a second annular structure 24 is disposed between the second avoiding hole 23 and the annular light emitting region 221, the first annular structure 15 and the second annular structure 24 are disposed opposite to each other, and the first annular structure 15 can be directly bonded to the second annular structure 24 by using glue. In addition, the second ring structure 24 is made of a material with low light transmittance, so as to prevent the light in the annular light emitting region 221 from passing through the second ring structure 24 to be emitted to the second avoiding hole 23, thereby preventing the light from leaking from the side surface of the light guiding film 20.
Referring to fig. 1, fig. 3 and fig. 6, in an embodiment of the light guiding structure 100 of the present invention, two of the avoiding grooves 12 are disposed on the back surface, and the two avoiding grooves 12 are respectively disposed on two opposite sides of the annular light emitting hole 11; the two sides of the light guide film 20 are provided with light incident surfaces 21, and each light incident surface 21 faces one of the avoiding grooves 12.
In this embodiment, the light incident surfaces 21 are disposed on two opposite sides of the light guiding film 20, so that each light incident surface 21 faces one of the avoiding grooves 12, when the light guiding structure 100 is applied to the electronic device 1000, each light incident surface 21 faces one of the light sources 300 in the avoiding groove 12, and thus the light rays emitted by the two light sources 300 can be received by the two light incident surfaces 21, so as to ensure that the light rays are fully dispersed to each position of the light guiding film 20, thereby achieving a uniform light emitting effect.
Further, light scattering particles are disposed in the light guiding film 20. The light guide film 20 can have a light scattering effect due to the arrangement of the light scattering particles, so that the uniformity of the light emission is further improved.
With reference to fig. 4 to fig. 7, the present invention further provides an electronic device 1000, where the electronic device 1000 includes the light guiding structure 100 as described above, and the specific structure of the light guiding structure 100 is detailed in the foregoing embodiments. Since the electronic device 1000 adopts all technical solutions of the foregoing embodiments, at least all beneficial effects brought by all technical solutions of the foregoing embodiments are achieved, and are not described in detail herein.
In this embodiment, the electronic device 1000 may be an electronic structure such as a sound box and an earphone.
Specifically, the electronic device 1000 may include a circuit board 200, a light source 300, a key 400, and other components; the light guide structure 100 can be adhered to the circuit board 200 by a back adhesive, and the key 400 respectively penetrates through the third avoiding hole 31, the second avoiding hole 23 and the first avoiding hole 14, and the light source 300 is inserted into the avoiding groove 12.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A light directing structure, comprising:
the light shielding film is provided with a front surface and a back surface which are arranged oppositely, the light shielding film is provided with an annular light outlet which penetrates through the front surface and the back surface, the back surface is provided with an avoiding groove, and the avoiding groove and the annular light outlet are arranged at intervals and used for placing a light source; and
the light guide film is attached to the back face, the light guide film is provided with a light inlet face and a light outlet face, the light inlet face faces the light source, and the light outlet face faces the annular light outlet hole.
2. The light guide structure according to claim 1, wherein the light exit surface has an annular light exit region, the annular light exit region is disposed opposite to the annular light exit hole, and the annular light exit region has a rough structure.
3. The light guide structure of claim 1, wherein the light incident surface and the light emergent surface form an included angle.
4. The light guide structure of claim 1, wherein the front surface is provided with a convex hull corresponding to the avoiding groove, and the avoiding groove extends into the convex hull from the back surface.
5. The light guide structure of claim 1, further comprising a light reflecting film disposed opposite the light guide film on a side of the light guide film facing away from the light blocking film.
6. The light guide structure of claim 5, wherein the surface of the light reflecting film facing the light guide film is a light reflecting surface and the surface of the light reflecting film facing away from the light guide film is a light blocking surface.
7. The light guide structure according to claim 6, wherein the light shielding film further defines a first avoiding hole penetrating the front surface and the back surface, the first avoiding hole is disposed inside the annular light emitting hole, the light guide film defines a second avoiding hole, the light reflective film defines a third avoiding hole, and the first avoiding hole, the second avoiding hole and the third avoiding hole are mutually penetrated.
8. The light guide structure according to any one of claims 1 to 7, wherein the back surface is provided with two avoiding grooves, and the two avoiding grooves are respectively disposed on two sides of the annular light exit hole; the both sides that the leaded light membrane is relative all are equipped with into plain noodles, each go into the plain noodles towards one dodge the groove setting.
9. The light-guiding structure according to any one of claims 1 to 7, wherein the light-shielding film is a polyethylene terephthalate film sheet;
and/or, the light directing film is a polycarbonate film;
and/or light scattering particles are arranged in the light guide film.
10. An electronic device comprising the light guide structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086244.6U CN214009134U (en) | 2020-12-17 | 2020-12-17 | Light guide structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086244.6U CN214009134U (en) | 2020-12-17 | 2020-12-17 | Light guide structure and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214009134U true CN214009134U (en) | 2021-08-20 |
Family
ID=77289382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023086244.6U Active CN214009134U (en) | 2020-12-17 | 2020-12-17 | Light guide structure and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214009134U (en) |
-
2020
- 2020-12-17 CN CN202023086244.6U patent/CN214009134U/en active Active
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