CN204305348U - A kind of mobile terminal utilizing flexible screen sounding - Google Patents
A kind of mobile terminal utilizing flexible screen sounding Download PDFInfo
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- CN204305348U CN204305348U CN201420734783.1U CN201420734783U CN204305348U CN 204305348 U CN204305348 U CN 204305348U CN 201420734783 U CN201420734783 U CN 201420734783U CN 204305348 U CN204305348 U CN 204305348U
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- flexible screen
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Abstract
The utility model relates to the communications field, and disclose a kind of mobile terminal utilizing flexible screen sounding, it comprises: central processing unit, memory, flexible screen control chip, N number of flexible screen and at least one sound chamber; Wherein, described N is natural number; Described central processing unit is connected with described memory and flexible screen control chip respectively, and described flexible screen control chip is connected with described flexible screen; The predeterminable area correspondence of flexible screen described at least one is provided with a described sound chamber.The utility model embodiment in terms of existing technologies, novelty provide a kind of mobile terminal structure utilizing flexible screen sounding, thus for saving this device of loudspeaker, provide a kind of feasibility.Meanwhile, the utility model embodiment correspondence in the predeterminable area of flexible screen arranges sound chamber, increases the volume of flexible screen sounding, thus further enhancing the feasibility utilizing flexible screen to replace loudspeaker sounding.
Description
Technical field
The utility model relates to the communications field, particularly a kind of mobile terminal utilizing flexible screen sounding.
Background technology
Sound is because the vibration of object produces, when playing an instrument, patting Yishanmen or knock desktop, their vibration can cause surrounding medium (as air molecule) rhythmical vibration, ambient air is made to produce density change, form the compressional wave of density interphase, this phenomenon this generates sound wave, till can continue up to vibration disappearance.
Sound is as the one of ripple, frequency and amplitude have just become the important attribute describing sound, the size of frequency is relevant with our usually said tone (height of sound), the size of amplitude then affects the loudness (power of sound) of sound, and sound can be broken down into the superposition of the sine wave of different frequency various amplitude.
Along with the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment is broken rising.And among numerous mobile device, the mobile terminal device that mobile phone is common, the most portable beyond doubt.At present, mobile phone on the market, minisize electromagnetic loudspeaker is generally adopted to realize the function of sounding, but the product structure of this kind of structure is complicated, and take the inner space of mobile phone, simultaneously because minisize electromagnetic loudspeaker self needs certain height, thus also limit the slimming development of the mobile terminals such as mobile phone.
Utility model content
The purpose of this utility model is to provide a kind of mobile terminal utilizing flexible screen sounding, thus saves the inner space of mobile terminal for saving this device of loudspeaker, provides a kind of feasibility.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of mobile terminal utilizing flexible screen sounding, comprises: central processing unit, memory, flexible screen control chip, N number of flexible screen and at least one sound chamber; Wherein, described N is natural number;
Described central processing unit is connected with described memory and flexible screen control chip respectively, and described flexible screen control chip is connected with described flexible screen;
The predeterminable area correspondence of flexible screen described at least one is provided with a described sound chamber.
The utility model embodiment in terms of existing technologies, novelty provide a kind of mobile terminal structure utilizing flexible screen sounding, thus for saving this device of loudspeaker, provide a kind of feasibility.Because flexible display screen inherently has flexible, that pliability is good characteristic, the primary condition of trembling can be reached, first ensure that the possibility utilizing flexible display screen to carry out sounding.In embodiment of the present utility model, by being connected with flexible screen by flexible screen control chip, make flexible screen control chip can actuator vibration in Direct driver flexible screen, thus realize the sounding of flexible screen.Meanwhile, the utility model embodiment correspondence in the predeterminable area of flexible screen arranges sound chamber, increases the volume of flexible screen sounding, thus further enhancing the feasibility utilizing flexible screen to replace loudspeaker sounding.
Further, described mobile terminal comprises at least two sound chambeies; At least two and in the predeterminable area of the flexible screen be oppositely arranged, be respectively arranged with a described sound chamber.This design, makes the flexible screen sounding that flexible screen control chip can drive at least two to be oppositely arranged simultaneously, thus can form stereosonic effect.
Further, described correspondence is provided with the flexible screen that the flexible screen in a described sound chamber is other faces on described mobile terminal except main screen; Described main screen is the flexible screen in the front being positioned at described mobile terminal.The flexible screen of each on mobile terminal is divided the work, makes the flexible screen of sounding be different screens from the flexible screen of display, in order to avoid have influence on the viewing impression of user.
Further, described sound chamber is rectangle or circle.Be conducive to the tonequality and the volume that improve sound.
Further, the numerical value of the volume in described sound chamber is more than or equal to 5 times of the numerical value of the area of the audible segment of described flexible screen.The volume in sound chamber affects the cut off of high frequency, and volume is larger, and cut-off frequency is lower, makes sound more spacious.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation utilizing the mobile terminal of flexible screen sounding according to the utility model first embodiment;
Fig. 2 and Fig. 3 is the structural representation that the flexible screen being arranged on the side of mobile terminal according to the utilization of the utility model first embodiment carries out sounding;
Fig. 4 is the structural representation that the flexible screen being arranged on the back side of mobile terminal according to the utilization of the utility model first embodiment carries out sounding;
Fig. 5 is the schematic diagram that trembles of the flexible screen according to the utility model first embodiment;
Fig. 6 carries out the structural representation of sounding according to two flexible screen be oppositely arranged that utilize of the utility model second embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in each embodiment of the utility model, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following embodiment and amendment, each claim of the application technical scheme required for protection also can be realized.
First embodiment of the present utility model relates to a kind of mobile terminal utilizing flexible screen sounding, and as is shown in fig. 1, this mobile terminal comprises: central processing unit, memory, flexible screen control chip, N number of flexible screen and at least one sound chamber; Wherein, N is natural number; Central processing unit is connected with memory and flexible screen control chip respectively, and flexible screen control chip is connected with flexible screen.
Wherein, the predeterminable area correspondence of at least one flexible screen is provided with a sound chamber.
It should be noted that flexible screen that described correspondence is provided with a sound chamber is the flexible screen in other faces on mobile terminal except main screen; Main screen is the flexible screen in the front being positioned at mobile terminal.Specifically, as shown in Figure 2, the front 1 of this mobile terminal, side 2 and side 3 are all provided with flexible screen, and the flexible screen in front 1, as the main screen of mobile terminal, is mainly used in display frame, namely as the viewing area of mobile terminal.Can to select the flexible screen of side 2 or side 3, as the sound-emanating areas of this mobile terminal, in the present embodiment, to be described for the flexible screen of side 3 as sound-emanating areas.As shown in Figure 3, the sound chamber 4 of this mobile terminal is the sound chamber that mobile terminal is the flexible screen configuration of side 3, part corresponding to sound chamber 4 is the predeterminable area of the flexible screen of side 3, and this predeterminable area is region flexible screen receiving the voltage control signal for controlling flexible screen that flexible screen control chip transmits.In this region, voltage control signal drives flexible screen vibration, thus realizes the sounding of flexible screen, so this region is also the audible segment of flexible screen.
It is worth mentioning that, in present embodiment, the volume in sound chamber 4 arranges relevant with the area that trembles of the vibration part of the flexible screen of side 3, in the present embodiment, the numerical value of the volume in sound chamber 4 is more than or equal to 5 times of the numerical value of the area of the audible segment of the flexible screen of side 3, if the area that trembles is 30mm*30mm, then the volume in sound chamber 4 is minimum must not lower than 30mm*30mm*5mm, yes merit attention, here be not that the minimum constructive height in sound chamber 4 is restricted to 5mm, as the height in sound chamber 4 is set to 2.5mm, namely the volume in sound chamber 4 is 30mm*60mm*2.5mm.In the present embodiment, the shape prioritizing selection rectangle in sound chamber 4 or circle.In addition, in present embodiment, mobile terminal also comprises: power supply 5, mainboard 6 and casing 7, repeat no more here.
In actual applications, as shown in Figure 4, if other three faces of this mobile terminal, namely side 8,9 and the back side 10 are also all provided with flexible screen, because the area at the back side 10 is comparatively large, the scope that can tremble is comparatively wide, and sounding effect is better than the flexible display screen of side, therefore, the flexible screen at the mobile terminal meeting prioritizing selection back side 10 is as sound-emanating areas.
The implementation procedure of flexible screen sounding is utilized to specifically describe to present embodiment below.
Specifically, the amplitude that the corresponding relation (as shown in Table 1) of note and frequency and each note are preset is previously stored with in memory, when utilizing flexible screen to carry out sounding, audio frequency to be played first decomposes by central processing unit in units of note, the corresponding relation of note and frequency is obtained on the one hand from memory, thus the frequency that each note obtaining audio frequency to be played is corresponding, the amplitude that each note is preset is obtained on the other hand from memory, in the present embodiment, the amplitude that each note is preset can be 0.3mm.Central processing unit sends it to flexible screen control chip after obtaining frequency corresponding to each note of audio frequency to be played and amplitude.It is worth mentioning that, because the data volume transmitted between central processing unit and flexible screen control chip is larger, in the present embodiment, adopt mobile Industry Processor Interface (Mobile Industry ProcessorInterface, " MIPI ") to carry out transmission between the two to control.For general interface, MIPI has the advantages such as low-power consumption, high data transmission rate and less PCB footprint, is more suitable for the connection of the mobile terminal such as mobile phone, Intelligent flat.
Table one:
| Note | Frequency | Half period (ms) |
| Low Do | 131 | 3.82 |
| Low Re | 147 | 3.4 |
| Low Mi | 165 | 3.03 |
| Low Fa | 175 | 2.86 |
| Low So | 196 | 2.55 |
| Low La | 220 | 2.27 |
| Low Si | 247 | 2.02 |
| Middle Do | 262 | 1.91 |
| Middle Re | 294 | 1.7 |
| Middle Mi | 330 | 1.52 |
| Middle Fa | 349 | 1.43 |
| Middle So | 392 | 1.28 |
| Middle La | 440 | 1.14 |
| Middle Si | 494 | 1.01 |
| High Do | 262 | 0.96 |
| High Re | 294 | 0.85 |
| High Mi | 330 | 0.76 |
| High Fa | 349 | 0.71 |
| High So | 392 | 0.64 |
| High La | 440 | 0.57 |
| High Si | 494 | 0.51 |
After flexible screen control chip receives frequency corresponding to each note of audio frequency to be played and amplitude, forwarded the voltage change signal for each actuator vibration driving flexible screen to comprise.
Specifically, flexible screen comprises several actuators, actuator is connected with transparent graticule, and each actuator also has it to coordinate points just, voltage change signal by identifying the coordinate points of each actuator, then to be transferred to through graticule each actuator that flexible screen comprises by flexible screen control chip.There is deformation after receiving voltage change signal in each actuator, and causes the part of surrounding to change, thus form trembling (as shown in Figure 5) of flexible screen.And according to the principle of sounding, when flexible screen is trembled with certain frequency and amplitude, the sound corresponding to this frequency and amplitude can be sent.
It is worth mentioning that, after flexible screen acquisition voltage change signal carries out vibration sounding, if mobile terminal needs adjustment volume (its influence factor is amplitude), central processing unit can increase by the step-length preset or reduce the amplitude of audio frequency to be played, as default step-length is set to 10%, when each mobile terminal receives the instruction turning or tune up volume down, amplitude will be reduced or increase 10%.In the present embodiment, central processing unit is base band control chip.
Second embodiment of the present utility model relates to a kind of mobile terminal utilizing flexible screen sounding.Second embodiment is roughly the same with the first embodiment, and main distinction part is: in the first embodiment, and mobile terminal comprises at least one sound chamber, and the predeterminable area correspondence of at least one flexible screen is provided with a sound chamber; And in the utility model second embodiment, mobile terminal comprises at least two sound chambeies; At least two and be respectively arranged with a sound chamber in the predeterminable area of the flexible screen be oppositely arranged.This design, makes the flexible screen sounding that flexible screen control chip can drive at least two to be oppositely arranged simultaneously, thus can form stereosonic effect.
Wherein, two flexible screen be oppositely arranged are the flexible screen that two sides of mobile terminal are provided with.Specifically, as shown in Figure 6, using the flexible screen of the side 3 and 8 of this mobile terminal simultaneously as sound-emanating areas, sound chamber 4a and 4b is the sound chamber that flexible screen that this mobile terminal is respectively side 3 and 8 configures.Wherein, sound chamber 4a is corresponding with the audible segment of the flexible screen of side 3, and sound chamber 4b is corresponding with the audible segment of the flexible screen of side 8.
In present embodiment be the side 3 and 8 being oppositely arranged on mobile terminal flexible screen simultaneously as sound-emanating areas for example is described, in actual applications, also the flexible screen of the side 2 and 9 of mobile terminal will can be oppositely arranged on as sound-emanating areas, or simultaneously using the flexible screen of side 3 and 8 and side 2 and 9 as sound-emanating areas, thus reach the effect of stereo-circulation sound.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiment of the utility model, and in actual applications, various change can be done to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (9)
1. utilize a mobile terminal for flexible screen sounding, it is characterized in that, described mobile terminal comprises: central processing unit, memory, flexible screen control chip, N number of flexible screen and at least one sound chamber; Wherein, described N is natural number;
Described central processing unit is connected with described memory and flexible screen control chip respectively, and described flexible screen control chip is connected with described flexible screen;
The predeterminable area correspondence of flexible screen described at least one is provided with a described sound chamber.
2. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, described flexible screen comprises several actuators, and the voltage change signal controlling described flexible screen is transferred to described actuator by described flexible screen control chip;
Described predeterminable area is the region described flexible screen receiving the voltage change signal for controlling described flexible screen that described flexible screen control chip transmits.
3. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, described mobile terminal comprises at least two sound chambeies;
At least two and in the predeterminable area of the flexible screen be oppositely arranged, be respectively arranged with a described sound chamber.
4. the mobile terminal utilizing flexible screen sounding according to claim 3, is characterized in that, described two flexible screen be oppositely arranged are the flexible screen that two sides of described mobile terminal are provided with.
5. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, the flexible screen that described correspondence is provided with a described sound chamber is the flexible screen in other faces on described mobile terminal except main screen; Described main screen is the flexible screen in the front being positioned at described mobile terminal.
6. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, described sound chamber is rectangle or circle.
7. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, the numerical value of the volume in described sound chamber is more than or equal to 5 times of the numerical value of the area of the audible segment of described flexible screen.
8. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, described central processing unit is base band control chip.
9. the mobile terminal utilizing flexible screen sounding according to claim 1, is characterized in that, adopts mobile Industry Processor Interface MIPI between described central processing unit and described flexible screen control chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420734783.1U CN204305348U (en) | 2014-11-28 | 2014-11-28 | A kind of mobile terminal utilizing flexible screen sounding |
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| CN201420734783.1U CN204305348U (en) | 2014-11-28 | 2014-11-28 | A kind of mobile terminal utilizing flexible screen sounding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954143A (en) * | 2017-03-02 | 2017-07-14 | 瑞声科技（南京）有限公司 | Manually adjust the method and electronic equipment of tonequality |
| CN108900689A (en) * | 2018-07-23 | 2018-11-27 | Oppo广东移动通信有限公司 | Sounding control method, device, electronic equipment and storage medium |
| CN110505335A (en) * | 2018-05-17 | 2019-11-26 | Oppo广东移动通信有限公司 | Sounding control method, device, electronic device and computer-readable medium |
| CN114125089A (en) * | 2020-08-31 | 2022-03-01 | 北京小米移动软件有限公司 | Terminal device, signal processing method and device, and storage medium |
-
2014
- 2014-11-28 CN CN201420734783.1U patent/CN204305348U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954143A (en) * | 2017-03-02 | 2017-07-14 | 瑞声科技（南京）有限公司 | Manually adjust the method and electronic equipment of tonequality |
| CN110505335A (en) * | 2018-05-17 | 2019-11-26 | Oppo广东移动通信有限公司 | Sounding control method, device, electronic device and computer-readable medium |
| CN108900689A (en) * | 2018-07-23 | 2018-11-27 | Oppo广东移动通信有限公司 | Sounding control method, device, electronic equipment and storage medium |
| CN108900689B (en) * | 2018-07-23 | 2021-09-14 | Oppo广东移动通信有限公司 | Sound production control method and device, electronic equipment and storage medium |
| CN114125089A (en) * | 2020-08-31 | 2022-03-01 | 北京小米移动软件有限公司 | Terminal device, signal processing method and device, and storage medium |
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Address after: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech Park Keyuan Road No. 399 Building 1 Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech Park Keyuan Road No. 399 Building 1 Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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Address after: Building 1, 399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Patentee before: Huaqin Technology Co.,Ltd. Address after: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |