CN103854611A - Backlight control method and device, controller and mobile terminal - Google Patents
Backlight control method and device, controller and mobile terminal Download PDFInfo
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- CN103854611A CN103854611A CN201210517981.8A CN201210517981A CN103854611A CN 103854611 A CN103854611 A CN 103854611A CN 201210517981 A CN201210517981 A CN 201210517981A CN 103854611 A CN103854611 A CN 103854611A
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Abstract
The invention provides a backlight control method and device, a controller and a mobile terminal. The backlight control device comprises an acceleration sensor, a microcontroller and a backlight source. The acceleration sensor is used for detecting the accelerated speed of the backlight control device, the microcontroller is connected with the acceleration sensor and is used for controlling a backlight circuit of the backlight control device according to a received accelerated speed value, and the backlight source is connected with the microcontroller and is used for controlling the backlight circuit according to the microcontroller to lighten or extinguish backlight. According to the backlight control method and device, the controller and the mobile terminal, the problems that in the prior art, a user needs to conduct key operations to use a backlight application, energy is wasted, and the user experience is poor are solved, an invalid key operation can be reduced, energy loss is reduced, and the user experience effect is improved.
Description
Technical field
The present invention relates to backlight technology field, in particular to a kind of method for controlling backlight thereof, device, telepilot and mobile terminal.
Background technology
The existing terminal with (LCD backlight, key-press backlight) backlight (for example, telepilot, mobile phone inputting interface etc.), its control method backlight is mostly for after button is pressed arbitrarily, backlight lightening, thus person easy to use watches liquid crystal display content and remote controller key, and user closes backlight or enters holding state and close backlight by disconnecting power supply, the button of backlight, thereby, reduce the loss of electric energy.
In the time that light is darker, user must first press any push button exciting key-press backlight and LCD backlight, just can see that current telepilot arranges state, and demonstration on button, then need to determine ensuing button operation in conjunction with oneself.
Therefore, in prior art, need user to carry out could using application backlight after button operation, not only waste energy consumption, and user experiences poor.
Summary of the invention
The invention provides a kind of method for controlling backlight thereof, device, telepilot and mobile terminal, need user to carry out could using application backlight after button operation at least to solve in prior art, not only waste energy consumption, and user experiences poor problem.
According to an aspect of the present invention, provide a kind of backlight control apparatus, having comprised: acceleration transducer, detects for the acceleration to described backlight control apparatus; Microcontroller, is connected with described acceleration transducer, for the backlight circuit of described backlight control apparatus being controlled according to the accekeration receiving; Backlight, is connected with described microcontroller, for the control to described backlight circuit according to described microcontroller, lights or extinguishes backlight.
Preferably, this device also comprises: backlight control switch, be connected to above-mentioned acceleration transducer, and control for the switching to described acceleration transducer.
Preferably, this device also comprises: timer, be connected to described microcontroller, and for after described backlight control apparatus receives input message, described backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguish backlight.
Preferably, the described microcontroller in this device comprises: judge module, for judging whether the described accekeration receiving exceedes predetermined value; Determination module, is connected to described judge module, in the judged result of described judge module be, determine light backlight by described backlight circuit.
Preferably, the backlight of described backlight LCD backlight and/or the backlight of key-press backlight.
According to a further aspect in the invention, provide a kind of telepilot, comprised the backlight control apparatus described in above-mentioned any one.
According to another aspect of the invention, provide a kind of mobile terminal, comprised the backlight control apparatus described in above-mentioned any one.
Provide a kind of method for controlling backlight thereof also on the one hand according to of the present invention, having comprised: the acceleration to backlight control apparatus detects; According to the accekeration receiving, the backlight circuit of described backlight control apparatus is controlled; According to the control to described backlight circuit, light or extinguish backlight.
Preferably, after the backlight circuit of described backlight control apparatus being controlled according to the accekeration receiving, also comprise: after described backlight control apparatus receives input message, described backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguish backlight.
Preferably, according to the described accekeration receiving, the backlight circuit of described backlight control apparatus is controlled and comprised: whether the described accekeration that judgement receives exceedes predetermined value; , determine and light backlight by described backlight circuit for be in the situation that in judged result.
By the present invention, adopt a kind of backlight control apparatus, comprising: acceleration transducer, detects for the acceleration to described backlight control apparatus; Microcontroller, is connected with described acceleration transducer, for the backlight circuit of described backlight control apparatus being controlled according to the accekeration receiving; Backlight, be connected with described microcontroller, for the control to described backlight circuit according to described microcontroller, light or extinguish backlightly, having solved in prior art and needed user to carry out could using application backlight after button operation, not only wasting energy consumption, and user experiences poor problem, and then reached and can reduce once invalid button operation, reduce energy loss, improve the effect that user experiences.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the structured flowchart of the backlight control apparatus of the embodiment of the present invention;
Fig. 2 is the preferred structure block diagram one according to the backlight control apparatus of the embodiment of the present invention;
Fig. 3 is the preferred structure block diagram two according to the backlight control apparatus of the embodiment of the present invention;
Fig. 4 is according to the preferred structure block diagram of microcontroller 14 in the backlight control apparatus of the embodiment of the present invention;
Fig. 5 is according to the structured flowchart of the telepilot of the embodiment of the present invention;
Fig. 6 is according to the structured flowchart of the mobile terminal of the embodiment of the present invention;
Fig. 7 is according to the process flow diagram of the method for controlling backlight thereof of the embodiment of the present invention;
Fig. 8 is according to the backlight control process flow diagram of the utilization acceleration transducer of the embodiment of the present invention;
Fig. 9 is the preferred structure block diagram according to the telepilot of the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
A kind of backlight control apparatus is provided in the present embodiment, Fig. 1 is according to the structured flowchart of the backlight control apparatus of the embodiment of the present invention, as shown in Figure 1, this device comprises acceleration transducer 12, microcontroller 14 and backlight 16, below this device is described.
Acceleration transducer 12, detects for the acceleration to backlight control apparatus;
Microcontroller 14, is connected with this acceleration transducer 12, for the backlight circuit of backlight control apparatus being controlled according to the accekeration receiving;
Backlight 16, is connected with this microcontroller 14, for the control to backlight circuit according to microcontroller, lights or extinguishes backlightly, and this backlight 16 can be below one of at least: the backlight of LCD backlight, the backlight of key-press backlight.
By this backlight control apparatus, user need to be used time backlight, as long as can pick up or mobile this backlight control apparatus once, just can trigger backlight, just can see the state of a control being provided with on device backlight, and the corresponding control that can implement, can only be by triggering backlight to the button operation being provided with on device backlight with respect in prior art, just can see the current residing state of auto levelizer, and the relevant control that can implement, by adopting acceleration transducer, the mensuration of acceleration is realized to backlight control, not only can reduce once invalid button operation, and reduce to a certain extent the loss of energy.
Can select according to specific needs whether to use this function in order to make backlight control apparatus, in this backlight control apparatus, backlight control switch 10 can also be set, Fig. 2 is the preferred structure block diagram one according to the backlight control apparatus of the embodiment of the present invention, as shown in Figure 2, this device is except comprising all compositions shown in Fig. 1, also comprise backlight control switch 10, this backlight control switch 10 is connected to above-mentioned acceleration transducer 12, controls for the switching to this acceleration transducer.By this backlight control switch 10 is set, user can be according to concrete use scenes, and uses hobby to control the switching of this application, for example, in the time that needs adopt acceleration transducer to come backlight control, opens this backlight control switch; When needs adopt original function, that is, the operation by button during to backlight control, can be closed this backlight control switch, selects by switch, not only do not affect use original function, and user's experience is also enhanced.
For the energy consumption that makes backlight control apparatus reduces as much as possible, within a period of time after user has operated, while not needing the control to installing, can extinguish backlight, therefore, more preferably, can in this backlight control apparatus, timer be set, Fig. 3 is the preferred structure block diagram two according to the backlight control apparatus of the embodiment of the present invention, as shown in Figure 3, this device is except comprising all compositions shown in Fig. 1, also comprise timer 32, timer 32 is connected to above-mentioned microcontroller 14, for after backlight control apparatus receives input message, backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguish backlight.
Fig. 4 is according to the preferred structure block diagram of microcontroller 14 in the backlight control apparatus of the embodiment of the present invention, and as shown in Figure 4, this microcontroller 14 comprises judge module 42 and determination module 44, below this microcontroller 14 is described.
Judge module 42, for judging whether the above-mentioned accekeration receiving exceedes predetermined value;
Determination module 44, is connected to above-mentioned judge module 42, in the judged result of above-mentioned judge module be, determine light by backlight circuit backlight.
More preferably, above-mentioned timer 32 also can be used as an applying portion of microcontroller 14, in the inside of microcontroller.Thereby in needs timing, can directly call this application, not only there is timing reliable, and can save unnecessary expenses.
Fig. 5 is according to the structured flowchart of the telepilot of the embodiment of the present invention, and as shown in Figure 5, this telepilot 50 comprises the backlight control apparatus 52 of above-mentioned any one.
Fig. 6 is according to the structured flowchart of the mobile terminal of the embodiment of the present invention, and as shown in Figure 6, this mobile terminal 60 comprises the backlight control apparatus 52 of above-mentioned any one.
A kind of method for controlling backlight thereof is also provided in the present embodiment, and Fig. 7 is according to the process flow diagram of the method for controlling backlight thereof of the embodiment of the present invention, and as shown in Figure 7, this flow process comprises the steps:
Step S702, detects the acceleration of backlight control apparatus;
Step S704, controls the backlight circuit of backlight control apparatus according to the accekeration receiving;
Step S706, according to the control to above-mentioned backlight circuit, lights or extinguishes backlight.
More preferably, after the backlight circuit of backlight control apparatus being controlled according to the accekeration receiving, also comprise: after backlight control apparatus receives input message, backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguish backlight.
According to the accekeration receiving, the backlight circuit of backlight control apparatus is controlled and also can be adopted various ways, for example, can directly judge according to the accekeration detecting whether the position of this backlight control apparatus variation has occurred, in the time determining that variation has occurred for the position of backlight control apparatus, determine light by backlight circuit backlight.And for more accurately to lighting backlight control, can first arrange lighting accekeration backlight, then, whether the accekeration that receives of judgement has exceeded the predetermined value of this setting; In judged result for be in the situation that, determine light by backlight circuit backlight.By such processing, make backlight circuit whether open control backlight more accurate.
A kind of telepilot (LCD backlight, key-press backlight) backlight control method is provided in the present embodiment, and in the time that user picks up telepilot, LCD backlight, key-press backlight are lighted automatically, user friendly operation.
On telepilot hardware, increase an acceleration transducer, in the time that telepilot is moved by staff, acceleration transducer can detect the variation of acceleration, and by the electrical signal transfer of this change information to (the Micro ControllerUnit of the micro-control unit on mainboard, referred to as MCU), MCU(and above-mentioned microprocessor function are suitable) light LCD backlight and key-press backlight by driving circuit after receiving signal.If continuously t does not detect the variation of acceleration second, close backlight, to reduce energy loss.
By above-described embodiment and preferred implementation, user can pick up telepilot one, and telepilot is backlight just to be lighted automatically, and user can more in time, conveniently obtain liquid crystal and button silk-screen information.Relatively former scheme of while can reduce once invalid button behaviour to be done, and can reduce so to a certain extent the loss of energy.
Fig. 8 is according to the backlight control process flow diagram of the utilization acceleration transducer of the embodiment of the present invention, and as shown in Figure 8, this flow process comprises the steps:
Step S802, the determining program of whether opening backlight;
Step S804, sense acceleration sensor output electrical signals, judges whether remote controller position changes, and in the situation that being judged as YES, enters step S806, otherwise enters step S808;
Step S806, lights backlightly, and (for example, t second) delay time timing of the bright schedule time backlight is 0;
Step S808, judges whether to detect button operation, in the situation that being judged as YES, enters step S810, otherwise enters step S812;
Step S810, lights backlightly, and (for example, t second) delay time timing of the bright schedule time backlight is 0;
Step S812, judges that whether the bright t of light delay time second arrives, and in the situation that being judged as YES, enters step S814, otherwise enters step S816;
Step S814, extinguishes backlight;
Step S816, lights backlight.
Staff is picked up telepilot and can be caused remote controller position to change, the acceleration transducer of telepilot inside detects this variation, and the corresponding output electrical signals of meeting is to telepilot MCU, and MCU detects this electric signal, in conjunction with the logic judgement of above-mentioned flow process, determine LCD backlight and key-press backlight bright, state goes out.
Fig. 9 is the preferred structure block diagram according to the telepilot of the embodiment of the present invention, as shown in Figure 9, it is above-mentioned acceleration transducer 12 that the difference that this telepilot and existing telepilot are larger is to increase acceleration transducer 92(in telepilot hardware design, or is called acceleration sensor module); In the time that remote controller position changes, acceleration transducer output electrical signals; The electric signal that MCU sense acceleration sensor is sent; MCU lights button and backlight of LCD by LCD backlight driving circuit and key-press backlight driving circuit; Continuously t second (the t time is in conjunction with actual needs setting) inputs without new push button signalling or acceleration transducer signals, backlightly extinguishes to reduce energy loss.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in memory storage and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a backlight control apparatus, is characterized in that, comprising:
Acceleration transducer, detects for the acceleration to described backlight control apparatus;
Microcontroller, is connected with described acceleration transducer, for the backlight circuit of described backlight control apparatus being controlled according to the accekeration receiving;
Backlight, is connected with described microcontroller, for the control to described backlight circuit according to described microcontroller, lights or extinguishes backlight.
2. device according to claim 1, is characterized in that, also comprises:
Backlight control switch, is connected to described acceleration transducer, controls for the switching to described acceleration transducer.
3. device according to claim 1, is characterized in that, also comprises:
Timer, is connected to described microcontroller, for after described backlight control apparatus receives input message, described backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguishes backlight.
4. device according to claim 1, is characterized in that, described microcontroller comprises:
Judge module, for judging whether the described accekeration receiving exceedes predetermined value;
Determination module, is connected to described judge module, in the judged result of described judge module be, determine light backlight by described backlight circuit.
5. device according to claim 1, is characterized in that, described backlight comprises the backlight of LCD backlight and/or the backlight of key-press backlight.
6. a telepilot, is characterized in that, comprises the backlight control apparatus described in any one in claim 1-5.
7. a mobile terminal, is characterized in that, comprises the backlight control apparatus described in any one in claim 1-5.
8. a method for controlling backlight thereof, is characterized in that, comprising:
Acceleration to backlight control apparatus detects;
According to the accekeration receiving, the backlight circuit of described backlight control apparatus is controlled;
According to the control to described backlight circuit, light or extinguish backlight.
9. method according to claim 8, is characterized in that, after the backlight circuit of described backlight control apparatus being controlled according to the accekeration receiving, also comprises:
After described backlight control apparatus receives input message, described backlight is carried out to timing in illuminating state, in the time that timing time exceedes the schedule time, extinguish backlight.
10. method according to claim 8, is characterized in that, according to the described accekeration receiving, the backlight circuit of described backlight control apparatus is controlled and is comprised:
Whether the described accekeration that judgement receives exceedes predetermined value;
, determine and light backlight by described backlight circuit for be in the situation that in judged result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210517981.8A CN103854611A (en) | 2012-12-05 | 2012-12-05 | Backlight control method and device, controller and mobile terminal |
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| CN201210517981.8A CN103854611A (en) | 2012-12-05 | 2012-12-05 | Backlight control method and device, controller and mobile terminal |
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| CN106954354A (en) * | 2016-01-06 | 2017-07-14 | 珠海格力电器股份有限公司 | Luminous remote controller and remote control system |
| CN107305417A (en) * | 2016-04-21 | 2017-10-31 | 北京小米移动软件有限公司 | The control method and device of haze table |
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| CN109243383B (en) * | 2018-11-09 | 2021-12-17 | 珠海格力电器股份有限公司 | Backlight brightness adjusting method of display screen and display screen device |
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