CN112637385A - Mobile terminal - Google Patents
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- CN112637385A CN112637385A CN201910950474.5A CN201910950474A CN112637385A CN 112637385 A CN112637385 A CN 112637385A CN 201910950474 A CN201910950474 A CN 201910950474A CN 112637385 A CN112637385 A CN 112637385A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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Abstract
The application provides a mobile terminal, includes: an optical signal receiving inlet; the LiFi module is arranged in the mobile terminal; and the light guide body is connected between the light signal receiving inlet and the LiFi module, and is used for guiding the light beam received by the light signal receiving inlet to the LiFi module. From this, realized mobile terminal's optical communication, realized information transmission with light signal, richened mobile terminal's wireless transmission mode to utilize light conductor transmission light, can reduce the loss in the light beam transmission process, promote the light acceptance rate of LiFi module, solved among the prior art usable radio frequency spectrum resource and less and can't satisfy the technical problem of user's wireless transmission demand.
Description
Technical Field
The application relates to the technical field of terminal equipment, in particular to a mobile terminal.
Background
Currently, the most common Wireless communication modes in the mobile terminal are Wireless Fidelity (WiFi) and a mobile data network, and both of the two communication modes use radio frequency signals for communication. However, the radio frequency spectrum only occupies a small portion of the whole electromagnetic spectrum, and as the demand of users for wireless internet increases, the available radio frequency spectrum resources are less and less, and the wireless transmission demand of users may not be met.
Disclosure of Invention
The application provides a mobile terminal, through setting up light signal receiving entry and set up the LiFi module in mobile terminal, realize mobile terminal's optical communication, utilize the light signal to realize information transmission, richened mobile terminal's wireless transmission mode to can solve among the prior art usable radio frequency spectrum resource and less and can't satisfy the technical problem of user's wireless transmission demand.
An embodiment of an aspect of the present application provides a mobile terminal, including:
an optical signal receiving inlet;
the LiFi module is arranged in the mobile terminal; and
the light guide body is connected between the light signal receiving inlet and the LiFi module, and the light guide body is used for guiding the light beam received by the light signal receiving inlet to the LiFi module.
The application provides a mobile terminal, includes following beneficial technological effect at least:
by arranging the optical signal receiving inlet and arranging the LiFi module in the mobile terminal, the optical communication of the mobile terminal is realized, information transmission is realized by using an optical signal, and the wireless transmission mode of the mobile terminal is enriched; and, mobile terminal is still including connecting the light guide body between light signal reception entry and the LiFi module, the light guide body is used for receiving the light beam direction to the LiFi module with light signal reception entry, because the light guide body can transmit light to another point apart from this light source certain distance from a light source with the loss of minimum, thereby pass through the leading-in LiFi module of light beam that light signal reception entry was received to the light guide body, can reduce the loss among the light beam transmission process, promote the light acceptance rate of LiFi module, and utilize light guide body transmission light, can not restrict the position of LiFi module in mobile terminal, make the position that the LiFi module was placed at mobile terminal inside more nimble, freely, thereby can utilize the mobile terminal space more rationally.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;
fig. 2 is a front view of a mobile terminal provided in the present application, in which an optical signal receiving inlet is disposed on a display screen;
FIG. 3 is a side view of a mobile terminal according to the present application, in which an optical signal receiving inlet is disposed on a display screen; and
fig. 4 is a diagram illustrating a structure of a mobile terminal according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
A mobile terminal of an embodiment of the present application is described below with reference to the drawings.
With the rapid increase of the number of people using network information and the amount of information, the way of information transfer becomes more and more important for human beings. WiFi and mobile data networks are the most common wireless transmission modes in mobile terminals, and both utilize radio frequency signals to realize information transmission. However, the radio frequency spectrum occupies only a small portion of the entire electromagnetic spectrum, and as the demand of users for wireless internet increases, the available radio frequency spectrum is less and less, and the wireless transmission demand may not be satisfied.
Visible Light wireless communication (LiFi) is a new wireless transmission technology for data transmission using visible Light spectrum (such as Light emitted by a bulb), and can transmit information by using electrical signals to control high-speed blinking signals emitted by Light emitting diodes that are invisible to the naked eye. The width of the visible light spectrum reaches 1 ten thousand times the radio frequency spectrum, which means that visible light communication can bring higher bandwidth, and that the LiFi technology has faster data transmission rate than WiFi.
In addition, because the light beam has the characteristic of traveling along a straight line, in the LiFi communication, the optical receiving module needs to be in a position to which the light beam can be directly directed to perform optical communication, and the higher the intensity of the optical signal is, the more beneficial the optical communication module is to receiving and converting the optical signal.
Based on this, this application provides a mobile terminal, through setting up the light signal receiving entry to set up the LiFi module in mobile terminal, realize mobile terminal's LiFi communication function, make mobile terminal do benefit to the light signal and can carry out information transmission, richened mobile terminal's wireless transmission mode. And, mobile terminal is still including connecting the light guide body between light signal reception entry and the LiFi module, the light guide body is used for receiving the light beam direction to the LiFi module with light signal reception entry, because the light guide body can transmit light to another point apart from this light source certain distance from a light source with the loss of minimum, thereby pass through the leading-in LiFi module of light beam that light signal reception entry was received to the light guide body, can reduce the loss among the light beam transmission process, promote the light acceptance rate of LiFi module, and utilize light guide body transmission light, can not restrict the position of LiFi module in mobile terminal, make the position that the LiFi module was placed at mobile terminal inside more nimble, freely, thereby can utilize the mobile terminal space more rationally.
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure, where the mobile terminal may be a smart phone, a tablet computer, a wearable device, or the like.
As shown in fig. 1, the mobile terminal 10 includes: the light guide includes a light signal receiving inlet 110, a LiFi module 120 disposed in the mobile terminal 10, and a light guide 130 connected between the light signal receiving inlet 110 and the LiFi module 120. The light guide 130 is used for guiding the light beam received by the light signal receiving inlet 110 to the LiFi module 120.
Light guiding body 130, i.e. an element capable of transmitting a light beam from one light source to another point at a distance from the light source with minimal losses, inside light guiding body 130 the light rays are transmitted by means of total internal reflection. Thereby, through set up light guide 130 between light signal reception entry 110 and the LiFi module 120 and connect for the light beam that light signal reception entry 110 received can enter into the LiFi module 120 without the loss, has reduced the loss among the light transmission process, thereby has improved the light acceptance rate of LiFi module, is favorable to the receiving and the conversion of LiFi module 120 to the light signal.
The shape of light guide 130 is various, for example, light guide 130 may be cylindrical, rectangular parallelepiped, trapezoidal column, mushroom, irregular other shapes, and the like. In the embodiment of the present application, the light guide 130 may be a simplest cylinder, and of course, light guides with other shapes may be selected or designed according to the shape of the light signal receiving inlet 110 and the shape of the light signal receiving module in the LiFi module 120, and/or the relative position between the light signal receiving inlet 110 and the light signal receiving module in the LiFi module 120 in the actual production process of the mobile terminal, which is not limited in the present application.
In the mobile terminal 10 that this application embodiment provided, light guide 130 connects light signal reception and enters mouth 110 and LiFi module 120, utilize light guide 130 to receive the light beam direction to LiFi module 120 that light signal reception enters mouth 110, make the light signal reception module of LiFi module 120 need not to set up the position department that can directly arrive at the light beam, be favorable to rationally arranging mobile terminal 10's space more, can make the position of LiFi module 120 placing inside mobile terminal 10 more nimble, freely.
In the embodiment of the present application, the position of the optical signal receiving inlet 110 on the mobile terminal 10 can be selected according to actual needs. For example, for a non-full-screen mobile terminal 10, the optical signal receiving inlet 110 may be disposed on the front side of the mobile terminal 10, such as near the front camera, or may be disposed on the side of the mobile terminal 10; for a full-screen mobile terminal 10, the optical signal receiving inlet 110 may be disposed on the display screen, or the optical signal receiving inlet 110 may be disposed at the side of the mobile terminal 10. Of course, the optical signal receiving inlets 110 may be disposed on both the front side and the side of the mobile terminal 10 to receive optical signals in different directions, which is not limited in this application.
It should be noted that fig. 1 only illustrates the application by taking the optical signal receiving inlet 110 disposed on the left side of the mobile terminal as an example, and should not be taken as a limitation to the application.
In one possible implementation manner of the embodiment of the present application, the optical signal receiving inlet 110 may be disposed on a display screen of the mobile terminal 10. The light guide 130 guides the light signal passing through the display screen to the LiFi module 120.
When light signal reception entry 110 sets up on mobile terminal 10's display screen, inevitably the display screen can block partly light signal to, in order to guarantee mobile terminal's aesthetic property, avoid mobile terminal's inner structure to expose for the user, the coating has the printing ink layer on the internal surface of display screen usually, and the printing ink layer also can influence light signal and enter into the LiFi module. Considering the influence of the display screen and the ink layer on the light incident amount of the LiFi module 120, in a possible implementation manner of the embodiment of the present application, the light signal receiving inlet 110 may be disposed in a first region of the display screen, wherein the light transmittance of the first region in the display screen is greater than that of other regions in the display screen. Therefore, the influence of the display screen on the light inlet quantity of the LiFi module can be reduced, and the light receiving rate of the LiFi module is further improved.
For the situation that the optical signal receiving entry 110 is disposed on the display screen of the mobile terminal 10, in order to ensure that the display effect of the display screen is not affected, in a possible implementation manner of the embodiment of the present application, the resolution of the first region may be set to be the same as the resolution of other regions in the display screen, so that when the display screen of the mobile terminal 10 displays, it is ensured that each region on the display screen has the same display effect, the phenomenon of inconsistent content displayed in each region due to different resolutions of each region on the display screen is avoided, and the influence of the optical signal receiving entry disposed on the display screen on the display effect of the mobile terminal is reduced.
In a possible implementation manner of the embodiment of the present application, the LiFi module 120 includes a light signal receiving module, which is in contact with one end of the light guide 130 and is configured to receive the light beam guided from the light signal receiving inlet 110 by the light guide 130.
Further, in a possible implementation manner of the embodiment of the present application, an area of the first region in the display screen is larger than an area of the optical signal receiving module. This can further improve the light receiving rate of the LiFi module.
In the embodiment of the present application, the optical signal receiving module may be a photodiode or an avalanche diode. The avalanche diode can be specifically an Avalanche Photo Diode (APD), the APD has a multiplication effect, can generate photocurrent which is dozens of times or even hundreds of times larger than that of the photosensitive diode under the action of light with the same size, and plays a role in light amplification, so that the sensitivity of the light receiver can be greatly improved, and compared with the light receiver adopting the photosensitive diode, the sensitivity of the light receiver adopting the APD can be improved by more than 10 dB. In the embodiment of the present application, therefore, the APD photodiode is preferably used as an optical signal receiving module to receive the optical beam introduced from the optical signal receiving inlet 110 by the optical guiding body 130.
The following describes a scenario in which the optical signal receiving inlet 110 is disposed on the display screen of the mobile terminal 10 with reference to fig. 2 and 3.
Fig. 2 is a front view of a mobile terminal provided by the present application, in which an optical signal receiving inlet is disposed on a display screen, and fig. 3 is a side view of the mobile terminal provided by the present application, in which the optical signal receiving inlet is disposed on the display screen. As shown in fig. 2, the LiFi module is disposed in an upper left corner area of the mobile terminal. In fig. 2, the dashed area is the size of the whole LiFi module, and the back end circuit module of the LiFi module can be arranged in the dashed area and hidden under the display screen; the solid line region is the light signal receiving module in the LiFi module, and the display region that needs to be designed into high luminousness with the corresponding position department on the display screen that light signal receiving module top corresponds to in order to obtain external light signal.
In fig. 3, the bulge in the LiFi module is light signal receiving module promptly, light signal receiving module's below is the back end circuit module of LiFi module promptly, as shown in fig. 3, the light entry (being the light signal receiving in this application embodiment) sets up on mobile terminal's display screen, link to each other through the light guide body between the light signal receiving module of light entry and LiFi module, the light beam that enters into the light entry passes through the light guide body and leads to in the light signal receiving module of LiFi module, in order to realize the receipt of LiFi module to light signal, improve the light acceptance rate of LiFi module.
In one possible implementation manner of the embodiment of the present application, the optical signal receiving inlet 110 may be disposed on the housing of the mobile terminal 10.
As an example, the optical signal receiving inlet 110 may be disposed above a top housing of the mobile terminal 10.
Through setting up light signal reception entry on mobile terminal's casing, can avoid opening a hole in mobile terminal's front, be favorable to reducing when setting up the LiFi module in the mobile terminal of full face screen, to the degree of difficulty of display screen design and manufacturing, reduction in production cost.
Since the LiFi module 120 utilizes optical signals for information transmission, the most difference between optical signals and electromagnetic signals is that the optical signals can only travel along a fixed direction due to the characteristic that light can only travel along a straight line, which means that when the LiFi technology is used for information transmission on a mobile terminal, the mobile terminal must be at a fixed angle to ensure the integrity of signal paths. The mobile terminal 10 provided by the present application utilizes the light guide 130 to connect the light signal receiving inlet 110 and the LiFi module 120, which not only can enhance the light receiving capability of the LiFi module, but also can realize receiving the light signals at different positions by using one set of LiFi module, but this requires that a plurality of light signal receiving inlets 110 are disposed on the mobile terminal 10 to receive the light signals at different positions. Therefore, in one possible implementation manner of the embodiment of the present application, there are a plurality of light signal receiving inlets 110 and light guiding bodies 130, and the number of the light signal receiving inlets 110 and the number of the light guiding bodies 130 are the same.
As an example, the optical signal receiving inlet 110 may be disposed on a housing of the mobile terminal 10 (e.g., on a top housing) and the optical signal receiving inlet 110 may be disposed on a display of the mobile terminal 10, respectively.
A description will be given below of a scenario in which a plurality of optical signal receiving inlets and a light guide are disposed on a mobile terminal with reference to fig. 4, where fig. 4 is a diagram of an exemplary structure of the mobile terminal according to an embodiment of the present application. As shown in fig. 4, the inside LiFi module that is provided with of mobile terminal, the bellying in the LiFi module is optical signal receiving module, respectively be provided with a light entry (the optical signal in this application embodiment enters the mouth) on mobile terminal's the display screen and mobile terminal's casing top, every light entry links to each other through the optical signal receiving module of light guide body with the LiFi module to the optical signal with mobile terminal's the front and top is leading-in to in the optical signal receiving module of LiFi module. It can be seen from fig. 4 that, the mobile terminal provided by the application not only improves the detection sensitivity of optical signals by introducing the light guide body, but also realizes the acquisition of optical signals in different directions, and can ensure the transmission of multi-directional optical signals by using only one LiFi module.
It should be noted that the design solution of fig. 4, in which one light inlet is disposed on each of the top of the housing and the display screen of the mobile terminal, is only used as an example to solve the problem of the present application, and is not used as a limitation to the present application.
The inventor finds in the research process that whether the LiFi module needs to be controlled to select which light guide body to receive the light signal transmitted by when a plurality of light signal receiving inlets and a plurality of light guide bodies are arranged on the mobile terminal is a key problem to be solved. In this embodiment, the mobile terminal 10 may drive the optical signal receiving module of the LiFi module to rotate to realize the selection of the light entering direction. Under the condition that the ambient light signals are the same, the mobile terminal can also receive the light signals guided by the plurality of light guide bodies at the same time so as to ensure the light incoming amount of the LiFi module.
As an example, since the light source is often disposed at a high position and the mobile terminal is located at a lower position relative to the light source, the mobile terminal is more convenient to receive the light signal emitted by the light source above the mobile terminal. For example, when an indoor illuminating lamp is used as a transmitting device of an optical signal, an optical signal receiving inlet on the mobile terminal needs to face the direction of the illuminating lamp to receive the sufficient optical signal. Therefore, in this example, the upward light signal receiving inlet can be determined according to the current placing mode of the mobile terminal, and then the LiFi module receives the light signal from the light guide body corresponding to the light signal receiving inlet. For example, inside assemblies such as gyroscope, gravity sensor that can set up of mobile terminal, the data of collecting according to assemblies such as gyroscope, gravity sensor confirm mobile terminal's the mode of putting, for example vertical placing, the level is placed, the side crouches and places etc. and then according to mobile terminal's the mode of putting, can drive the light signal receiving module rotation of liFi module to make the liFi module can receive light signal from the light signal receiving entry towards the top. For example, when the mobile terminal is placed vertically with the light signal receiving inlet provided on the top of the housing of the mobile terminal facing the upward light source position, the mobile terminal may drive the light signal receiving module to also face upward to receive a light signal from the light guide connected to the light signal receiving inlet provided on the top of the housing.
As an example, generally, when the applications running in the mobile terminal are different, the direction in which the mobile terminal is held is also different, for example, when a user uses the mobile terminal to perform a video call, the mobile terminal is usually placed vertically, the optical signal receiving inlet arranged at the top of the housing of the mobile terminal faces upward, and when the user uses the mobile terminal to watch a video, the user usually places the mobile terminal on its side to watch the video in full screen. Therefore, in this example, the light guide body for receiving the optical signal can be selected by the LiFi module by detecting the application program currently running in the foreground in the mobile terminal. For example, when detecting that the application of foreground operation is video broadcast software among the mobile terminal, the light signal reception entry that sets up on mobile terminal's the casing side is towards the top light source, at this moment, mobile terminal can control the light signal reception module of LiFi module and rotate, make light signal reception module also towards the top, the orientation of light signal reception module is unanimous with the orientation of the light signal reception entry that sets up on mobile terminal's the casing side promptly, thereby the light guide body that the light signal reception entry that sets up on the casing side with mobile terminal can be followed to the LiFi module receives the light signal.
The application provides a mobile terminal, through setting up a plurality of light signal reception entry and a plurality of light guide body for mobile terminal only uses a LiFi module, can acquire the light signal of equidirectional, has not only promoted light signal detectivity, has also guaranteed that the user can realize LiFi communication function's normal switching under different LiFi user mode, has promoted user experience.
According to the mobile terminal, the optical signal receiving inlet is formed, the LiFi module is arranged in the mobile terminal, optical communication of the mobile terminal is achieved, information transmission is achieved through the optical signal, and wireless transmission modes of the mobile terminal are enriched; and, mobile terminal is still including connecting the light guide body between light signal reception entry and the LiFi module, the light guide body is used for receiving the light beam direction to the LiFi module with light signal reception entry, because the light guide body can transmit light to another point apart from this light source certain distance from a light source with the loss of minimum, thereby pass through the leading-in LiFi module of light beam that light signal reception entry was received to the light guide body, can reduce the loss among the light beam transmission process, promote the light acceptance rate of LiFi module, and utilize light guide body transmission light, can not restrict the position of LiFi module in mobile terminal, make the position that the LiFi module was placed at mobile terminal inside more nimble, freely, thereby can utilize the mobile terminal space more rationally.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (11)
1. A mobile terminal, comprising:
an optical signal receiving inlet;
the LiFi module is arranged in the mobile terminal; and
the light guide body is connected between the light signal receiving inlet and the LiFi module, and the light guide body is used for guiding the light beam received by the light signal receiving inlet to the LiFi module.
2. The mobile terminal of claim 1, wherein the optical signal receiving inlet is disposed on a display screen of the mobile terminal.
3. The mobile terminal of claim 2, wherein the optical signal receiving inlet is disposed in a first area of the display screen, and the light transmittance of the first area among the display screen is greater than that of other areas among the display screen.
4. The mobile terminal of claim 3, wherein a resolution of the first area is the same as a resolution of other areas among the display screen.
5. The mobile terminal of claim 3, wherein the LiFi module comprises a light signal receiving module, wherein the light signal receiving module is in contact with one end of the light guide.
6. The mobile terminal of claim 5, wherein an area of the first region is larger than an area of the optical signal receiving module.
7. The mobile terminal of claim 1, wherein the optical signal receiving inlet is disposed above a housing of the mobile terminal.
8. The mobile terminal of claim 7, wherein the optical signal receiving inlet is disposed above a top housing of the mobile terminal.
9. The mobile terminal of claim 1, wherein the light guide is cylindrical.
10. The mobile terminal of claim 1, wherein the light guide comprises acrylic, polycarbonate, epoxy, or glass.
11. The mobile terminal according to claim 1, wherein the optical signal receiving inlet and the light guide are plural.
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| CN201910950474.5A CN112637385A (en) | 2019-10-08 | 2019-10-08 | Mobile terminal |
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| CN201910950474.5A CN112637385A (en) | 2019-10-08 | 2019-10-08 | Mobile terminal |
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Application publication date: 20210409 |