CN210069625U - Light emitting device and terminal - Google Patents
Light emitting device and terminal Download PDFInfo
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- CN210069625U CN210069625U CN201921249497.5U CN201921249497U CN210069625U CN 210069625 U CN210069625 U CN 210069625U CN 201921249497 U CN201921249497 U CN 201921249497U CN 210069625 U CN210069625 U CN 210069625U
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- light
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- emitting device
- terminal
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Abstract
The utility model discloses a light-emitting device and a terminal, wherein the light-emitting device comprises a light source, a reflecting film and a light guide film; the light guide film comprises a reflecting surface, a light emitting surface and a light incident surface, wherein the reflecting surface and the light emitting surface are arranged oppositely, the light incident surface is connected with the reflecting surface and the light emitting surface, the light source is arranged close to the light incident surface, and the reflecting film is attached to the reflecting surface. The utility model discloses among the technical scheme. The light emitted by the light source is incident from the light incident surface of the light guide film and is reflected by the reflecting film and then is emitted by the body; the light guide film is thin, the light guide film can be simply cut when the light emitting device is manufactured, and the thickness of the whole light emitting device can be reduced by using the light guide film; when the light guide film is stored and transported, the light guide film can be rolled up, the storage space can be saved, and the light guide film is not easy to damage. The light-emitting device can be applied to the terminal, and can realize light effect display of different colors or different frequencies according to different use states of the terminal.
Description
Technical Field
The utility model relates to a field is made at the terminal, especially relates to a light-emitting device and terminal.
Background
In the prior art, a light-emitting device is often added on the back of a terminal, different light effect displays are provided according to different working states of the terminal, and the functions of a flash lamp or an indicator light are realized; in the prior art, the thickness of the light-emitting device is large, so that the light-emitting area is raised, and the sense and the holding hand feeling are affected.
Therefore, there is a need to provide a new light emitting device and a terminal to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light-emitting device and terminal aims at solving the big problem of current back light-emitting device thickness.
In order to achieve the above object, the present invention provides a light emitting device, which includes a light source, a reflective film and a light guide film; the light guide film comprises a reflecting surface, a light emitting surface and a light incident surface, the reflecting surface and the light incident surface are arranged oppositely, the light source is close to the light incident surface, and the reflecting film is attached to the reflecting surface.
Preferably, one side of the light guide film, which is far away from the reflection film, is provided with a protective shell, the protective shell comprises a light transmission part and a shell body arranged on the periphery of the light transmission part, and the light transmission part and the light emergent surface are correspondingly arranged.
Preferably, the light-transmitting portion comprises a light-transmitting layer and an atomizing layer which are connected, and the atomizing layer is arranged opposite to the light guide film.
Preferably, a diffusion sheet is disposed between the light guide film and the protective case.
Preferably, the light guiding film is a transparent film or a translucent film, and the thickness of the light guiding film is 0.1mm to 0.4 mm.
Preferably, the light source is an RGB side light emitting lamp, and the reflective film is a silver reflective film or a white reflective film.
The utility model also provides a light-emitting device, the light source sets up the reflectance coating with in order to enlarge between the leaded light membrane the display area of light source.
Preferably, the reflective film is a silver reflective film or a white reflective film.
Additionally, the utility model also provides a terminal, the terminal includes and above-mentioned illuminator.
Preferably, the terminal further comprises a cover bottom for heat dissipation, and one side of the reflection film, which is far away from the light guide film, is attached to the cover bottom.
Preferably, the cover bottom is a heat dissipation graphite plate.
Preferably, the terminal includes a housing having a back opening and a core board disposed in the housing, the light emitting device is disposed at the back opening of the housing, the core board is disposed at a side of the cover bottom departing from the light emitting device, and the light source is electrically connected to the core board.
The utility model discloses among the technical scheme. The side edge of the light guide film is a light incident surface, the bottom surface of the light guide film is attached with a reflecting film, the top surface of the light guide film is attached with a diffusion sheet, the light source is arranged on the side edge of the light guide film, light emitted by the light source is incident from the light incident surface of the light guide film and is emitted after being reflected by the reflecting film, and the displayed color can be more uniform by the diffusion sheet; the light guide film is thin, the light guide film can be conveniently cut into preset specifications in the production and processing process of the light-emitting device, and the thickness of the whole light-emitting device can be reduced by using the light guide film; when storage and transportation, the leaded light membrane can be rolled up, practices thrift storage space, avoids the damage of leaded light membrane simultaneously.
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 terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a light emitting device of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the light emitting device of the present invention.
The reference numbers illustrate:
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 all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention 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 indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, a light emitting device 100 includes a light source 1, a reflective film 2 and a light guiding film 3; the light guide film 3 comprises a reflecting surface, a light emitting surface and a light incident surface, wherein the reflecting surface and the light emitting surface are oppositely arranged, the light incident surface is connected with the reflecting surface, the light source 1 is arranged close to the light incident surface, and the reflecting film 2 is attached to the reflecting surface. In the technical solution of the above embodiment. The side edge of the light guide film 3 is a light incident surface, the bottom surface of the light guide film 3 is attached with the reflecting film 2, the light source 1 is arranged on the side edge of the light guide film 3, and light emitted by the light source 1 is incident from the light incident surface of the light guide film 3 and is emitted after being reflected by the reflecting film 2; the light guide film 3 is thin, so that the light guide film 3 can be conveniently cut into a preset specification in the production and processing process of the light-emitting device 100, and the thickness of the whole light-emitting device 100 can be reduced by using the light guide film 3; when storing and transporting, the light guiding film 3 can be rolled up, saving storage space, and avoiding the damage of the light guiding film 3 at the same time.
In a preferred embodiment, a protective casing 8 is disposed on a side of the light guiding film 3 away from the reflective film 2, the protective casing 8 includes a light-transmitting portion 81 and a casing body 82 disposed on the periphery of the light-transmitting portion 81, and the light-transmitting portion 81 is disposed corresponding to the light-emitting surface. The protective case 8 can protect internal components, and the light-transmitting portion 81 is used to display a pattern, a color, or a combination of both.
In the first embodiment, the light-transmitting portion 81 includes the light-transmitting layer 811 and the matte layer 812 connected to each other, and the matte layer 812 is disposed opposite to the light guiding film 3. The light transmissive layer 811 is used for observing the real effect and preventing the internal devices from being exposed and worn, the atomizing layer 812 can play a role in diffusion, the light emitting device 100 uniformly displays colors, the thickness of the light emitting device 100 is further reduced, and the application range of the light emitting device 100 is improved.
In the second embodiment, the diffusion sheet 4 is provided between the light guide film 3 and the protective case 8. In order to enhance the display effect of the light emitting device 100 and make the display more uniform, the diffusion sheet 4 is still used in this embodiment to diffuse the emitted light and then emit the light from the light transmission portion.
The light guiding film 3 may be a transparent film or a translucent film. The thickness of the light guiding film 3 is preferably 0.1mm to 0.4 mm. The thickness of the light guide film 3 is controlled while ensuring the light guide effect. The light source 1 is preferably an RGB side-emitting lamp. The RGB side light-emitting lamps can realize side light emission of the maximum area, and thus, the RGB side light-emitting lamps can be used as the side surface light source 1 of the light guide film 3.
The reflective film 2 is preferably a high-brightness reflective film, and specifically, the reflective film 2 may be a silver reflective film or a white reflective film. The high-brightness reflective film can efficiently and uniformly reflect light leaking out of the bottom of the light guide film 3, thereby reducing light loss and improving the display brightness of the light emitting device 100.
In the third embodiment, as shown in fig. 3, the light emitting device 100 includes a light source 1, a reflective film 2, and a light guide film 3, and the light source 1 is disposed between the reflective film 2 and the light guide film 3 to enlarge a display area of the light source 1. Compared with the light source 1 arranged on the side of the reflective film 2, the light emitted by the light source 1 is radiated outwards in an annular shape, and the light source 1 is fully utilized to obtain a larger display area.
The reflection film can be a silver reflection film, and the silver reflection film can reflect most of light rays incident from the light incident surface, so that the upward emergent luminous flux is improved, the backlight light leakage is reduced, and the brightness of the whole machine is improved. The reflection film can also be a white reflection film, and the surface of the white reflection film is of a fine concave-convex structure, so that light rays are reflected in multiple directions, namely diffuse reflection, and the diffuse reflection is the main reflection mode of the white reflection film, so that the light-emitting effect of the light-emitting device is more uniform.
In addition, as shown in fig. 1, the present invention further provides a terminal 200, wherein the terminal 200 includes the light emitting device 100 as described above, and since the thickness of the light emitting device 100 is smaller, the thickness of the whole terminal 200 can be reduced. Taking a mobile phone as an example, the light emitting device 100 is disposed on the back of the mobile phone, and the diffusion sheet 4 of the light emitting device is disposed outward. The slimmer body makes the phone more aesthetically pleasing and enables the user to have a good gripping experience.
The terminal 200 includes a housing 5 having a back opening, and the light emitting device 100 is disposed at the back opening of the housing 5. Taking a mobile phone as an example, the housing 5 may be a middle frame of the mobile phone, and the light-emitting device 100 covers the opening at the back to function as a rear cover of the battery, and can achieve the effect of colorful display. The housing 5 may also be a rear cover of a mobile phone, and an opening for installing the light emitting device 100 is formed on the rear cover, so that the light emitting device 100 can be decorated.
The terminal 200 further includes a cover bottom 7 for dissipating heat, and one side of the reflective film 2 away from the light guide film 3 is attached to the cover bottom 7. The cover bottom 7 is a hard plate and can fix the whole light-emitting device 100.
Further, the terminal 200 includes a core board 6 disposed in the housing 5, the core board 6 is disposed on a side of the cover bottom 7 away from the light emitting device 100, and the light source 1 is electrically connected to the core board 6. The light source 1 is electrically connected with the core board 6, and when the terminal 200 is in different use states, the core board 6 can directly control the light source 1 to perform light effect display of different colors or different frequencies; and the light source 1 can directly use the power of the terminal 200 without an additional power, avoiding waste of the internal installation space of the terminal 200.
The cover bottom 7 can separate the core plate 6 from the light-emitting device 100, the area of the cover bottom 7 can be larger than that of the reflective film 2, so as to protect the core plate 6, and the cover bottom 7 can be preferably a heat dissipation graphite plate. Other components on the light-emitting device 100 and the core plate 6 can generate heat during operation, and the heat dissipation graphite plate is selected for use to conveniently dissipate heat of other components on the light-emitting device 100 and the core plate 6.
More specifically, the shell body of the protective shell 8 can shield the light source 1 and the core board 6, maintaining the integrity of the terminal 200; the light-transmitting portion 811 is a display area on the protective case 8, and the light-transmitting portion 811 may be in the shape of a logo, a geometric shape, or the entire back of the terminal 200, and when the light-transmitting portion 811 is the entire back of the terminal 200, the light-emitting device 100 can achieve a large-area dazzling effect. Taking a mobile phone as an example, the protective case 8 may be a battery rear cover of the mobile phone, when the light-transmitting portion 811 is the back of the whole mobile phone, the back of the mobile phone is usually provided with a camera, a fingerprint module, and the like, and the light-emitting device 100 is provided with an avoiding hole at a position corresponding to the camera and the fingerprint module, so that the light guide film 3 is convenient to process the avoiding hole, and the light guide film 3 is not damaged in the processing process, thereby avoiding waste of raw materials.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (12)
1. A light emitting device, comprising a light source, a reflective film, and a light directing film; the light guide film comprises a reflecting surface, a light emitting surface and a light incident surface, the reflecting surface and the light incident surface are arranged oppositely, the light source is close to the light incident surface, and the reflecting film is attached to the reflecting surface.
2. The light-emitting device according to claim 1, wherein a protective casing is disposed on a side of the light guiding film facing away from the reflective film, the protective casing includes a light-transmitting portion and a casing body disposed at a periphery of the light-transmitting portion, and the light-transmitting portion is disposed corresponding to the light-emitting surface.
3. The light-emitting device according to claim 2, wherein the light-transmitting portion includes a light-transmitting layer and an atomizing layer connected to each other, and the atomizing layer is disposed opposite to the light guiding film.
4. The light-emitting device according to claim 2, wherein a diffusion sheet is provided between the light guide film and the protective case.
5. The light-emitting device according to any one of claims 1 to 4, wherein the light guide film is a transparent film or a translucent film, and the light guide film has a thickness of 0.1mm to 0.4 mm.
6. The light-emitting device according to any one of claims 1 to 4, wherein the light source is an RGB side light-emitting lamp, and the reflective film is a silver reflective film or a white reflective film.
7. A light-emitting device is characterized by comprising a light source, a reflecting film and a light guide film, wherein the light source is arranged between the reflecting film and the light guide film so as to enlarge the display area of the light source.
8. The light-emitting device according to claim 7, wherein the reflective film is a silver reflective film or a white reflective film.
9. A terminal, characterized by comprising a light emitting device according to any one of claims 1 to 8.
10. The terminal of claim 9, further comprising a cover bottom for dissipating heat, wherein a side of the reflective film remote from the light directing film is affixed to the cover bottom.
11. A terminal as claimed in claim 10, wherein said cover bottom is a heat dissipating graphite plate.
12. The terminal of claim 10, wherein the terminal comprises a housing having a back opening and a core disposed within the housing, the light emitting device is disposed at the back opening of the housing, the core is disposed on a side of the cover bottom facing away from the light emitting device, and the light source is electrically connected to the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249497.5U CN210069625U (en) | 2019-08-01 | 2019-08-01 | Light emitting device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249497.5U CN210069625U (en) | 2019-08-01 | 2019-08-01 | Light emitting device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210069625U true CN210069625U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921249497.5U Active CN210069625U (en) | 2019-08-01 | 2019-08-01 | Light emitting device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210069625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847583A (en) * | 2021-09-01 | 2021-12-28 | Oppo广东移动通信有限公司 | Light emitting module and electronic equipment |
-
2019
- 2019-08-01 CN CN201921249497.5U patent/CN210069625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847583A (en) * | 2021-09-01 | 2021-12-28 | Oppo广东移动通信有限公司 | Light emitting module and electronic equipment |
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