CN105161071A - Backlight brightness adjusting method and electronic equipment - Google Patents
Backlight brightness adjusting method and electronic equipment Download PDFInfo
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- CN105161071A CN105161071A CN201510696222.6A CN201510696222A CN105161071A CN 105161071 A CN105161071 A CN 105161071A CN 201510696222 A CN201510696222 A CN 201510696222A CN 105161071 A CN105161071 A CN 105161071A
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Abstract
The invention discloses a backlight brightness adjusting method. The adjusting method comprises steps of monitoring the state of electronic equipment; and adjusting a backlight brightness value through a light-sensitive device and an ambient light sensor according to the monitored state of the electronic equipment. The invention also provides corresponding electronic equipment. The backlight brightness adjusting method can adjust the backlight brightness according to the ambient light when the electronic equipment is switched from a power-off state to a power-on state, so that the user experience is improved.
Description
Technical field
The present invention relates to electronic technology field, and more specifically, relate to a kind of control method and electronic equipment of backlight illumination.
Background technology
At present, the screen backlight brightness of electronic equipment can obtain environmental light brightness by ambient light sensor substantially, realizes automatically adjusting.But when just start, due to the data of ambient light sensor cannot be read, environmentally can not carry out adjusting backlight luminance by light, especially the platform with hub (hub), usually is all to a higher constant brightness value, when such user starts shooting under comparatively dark situation, screen is very dazzling, cause very bad Consumer's Experience, and increase power consumption.In addition, ambient light sensor is generally all placed on the front of electronic equipment, like this at electronic equipment back to when sunshine, the brightness value of acquisition is often on the low side, causes backlight partially dark, affects user operation.
Summary of the invention
The embodiment of the present invention provides a kind of control method of backlight illumination, to solve electronic equipment when just starting shooting, environmentally can not carry out adjusting backlight luminance by light, reduces the problem of Consumer's Experience.
On the one hand, The embodiment provides a kind of control method of backlight illumination, be applied to an electronic equipment, the electronic equipment back side or side are provided with photosensitive device, and electronic equipment front is provided with ambient light sensor, and this control method comprises:
The state of monitoring electronic equipment;
According to the state of the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
On the other hand, embodiments of the invention additionally provide a kind of electronic equipment, this electronic equipment the back side or side are provided with photosensitive device, front is provided with ambient light sensor, this electronic equipment comprises:
Monitoring modular, for monitoring the state of electronic equipment;
First adjustment module, for the state according to the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
The control method of the backlight illumination that the embodiment of the present invention provides, by the state according to the electronic equipment monitored, the backlight brightness values of electronic equipment is regulated by photosensitive device and ambient light sensor, solve electronic equipment when just starting shooting, environmentally can not carry out adjusting backlight luminance by light, reduce the problem of Consumer's Experience, reach electronic equipment when entering open state by off-mode, environmentally can carry out adjusting backlight luminance by light, improve the effect of Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the control method of backlight illumination in first embodiment of the invention;
Fig. 2 is the process flow diagram of the control method of backlight illumination in second embodiment of the invention;
Fig. 3 is the process flow diagram of the control method of backlight illumination in third embodiment of the invention;
Fig. 4 is the modular structure schematic diagram one of electronic equipment in fourth embodiment of the invention;
Fig. 5 is the schematic diagram one of the first adjustment module in fourth embodiment of the invention;
Fig. 6 is the schematic diagram two of the first adjustment module in fourth embodiment of the invention;
Fig. 7 is the modular structure schematic diagram two of electronic equipment in fourth embodiment of the invention;
Fig. 8 is the schematic diagram of electronic equipment in fifth embodiment of the invention;
Fig. 9 is the circuit diagram generating pwm signal in the embodiment of the present invention;
Figure 10 is the schematic diagram of the pwm signal generated in the embodiment of the present invention;
Figure 11 is the schematic diagram of electronic equipment in sixth embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First embodiment
As shown in Figure 1, the first embodiment of the present invention provides a kind of control method of backlight illumination, is applied to the back side or side is provided with photosensitive device, front is provided with ambient light sensor electronic equipment (such as smart mobile phone, panel computer etc.).In this control method, according to the state of the electronic equipment monitored, the backlight brightness values of electronic equipment can be regulated by photosensitive device and ambient light sensor.This control method specifically comprises:
Step S101, the state of monitoring electronic equipment.
In the first embodiment of the present invention, for the ease of regulating accurately the backlight illumination of electronic equipment, the moment is needed to monitor the state of electronic equipment.Wherein, the state of above-mentioned electronic equipment mainly comprises and enters open state from off-mode and enter these two states after open state.In order to more clearly define after whether electronic equipment enter open state, can suppose that the moment of the starting up's action monitoring electronic equipment was the first moment at this, and when start proceeds to certain node (boot of such as starting shooting), after then thinking that electronic equipment enters open state, simultaneously in the time period of the first moment to certain node (boot of such as starting shooting), judge that the state of electronic equipment enters open state as from off-mode.
Step S102, according to the state of the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
In the first embodiment of the present invention, when monitoring electronic equipment and entering open state from off-mode, the backlight brightness values of electronic equipment can be regulated by photosensitive device, and when monitoring after electronic equipment enters open state, understand by photosensitive device and ambient light sensor adjusting backlight luminance value, as specifically how adjustment can elaborate later.
The first embodiment of the present invention is by the state of monitoring electronic equipment, and according to the state monitored, the backlight brightness values of electronic equipment is regulated by photosensitive device and ambient light sensor, reach no matter electronic equipment enters open state by off-mode, still after entering open state, environmentally can carry out adjusting backlight luminance value by light, improve the effect of Consumer's Experience.
Second embodiment
As shown in Figure 2, the second embodiment of the present invention provides a kind of control method of backlight illumination, is applied to the back side or side is provided with photosensitive device, front is provided with ambient light sensor electronic equipment (such as smart mobile phone, panel computer etc.).In this control method, when electronic equipment enters into open state from off-mode, the backlight brightness values of electronic equipment can be regulated by photosensitive device the first detection numerical value that environmentally luminance brightness detection obtains.This control method specifically comprises:
Step S201, the state of monitoring electronic equipment.
In the second embodiment of the present invention, for the ease of regulating accurately the backlight illumination of electronic equipment, the moment is needed to monitor the state of electronic equipment.Wherein, the state of above-mentioned electronic equipment mainly comprises and enters open state from off-mode and enter these two states after open state.In order to more clearly define after whether electronic equipment enter open state, can suppose that the moment of the starting up's action monitoring electronic equipment was the first moment at this, and when start proceeds to certain node (boot of such as starting shooting), after then thinking that electronic equipment enters open state, simultaneously in the time period of the first moment to certain node (boot of such as starting shooting), judge that the state of electronic equipment enters open state as from off-mode.
Step S202, when monitoring electronic equipment and entering into open state from off-mode, acquisition photosensitive device environmentally luminance brightness detects the first detection numerical value obtained.
In the second embodiment of the present invention, above-mentioned first detects numerical value can determine according to the type of photosensitive device.Such as when photosensitive device is photoresistance, the first detection numerical value can be resistance value, magnitude of voltage etc., and when photosensitive device is photodiode, the first detection numerical value can be current value, magnitude of voltage etc.
Step S203, detects numerical value adjusting backlight luminance value according to obtain first.
In the second embodiment of the present invention, in electronic equipment, be previously stored with the corresponding relation between the detection numerical value (such as magnitude of voltage, resistance value, current value etc.) of photosensitive device and surround lighting intensity values.Therefore, above-mentioned steps S203 specifically comprises: according to the corresponding relation between the detection numerical value (such as magnitude of voltage, resistance value, current value etc.) of the photosensitive device prestored and surround lighting intensity values, determine the first environment light intensity value that the first detection numerical value is corresponding, then according to first environment light intensity value production burst width modulated (Pulse-WidthModulation, PWM) Signal Regulation backlight brightness values.
The second embodiment of the present invention is by the state of monitoring electronic equipment, and when monitoring electronic equipment and entering into open state from off-mode, the backlight brightness values of electronic equipment is regulated by photosensitive device the first detection numerical value that environmentally luminance brightness detection obtains, reach when electronic equipment is when entering open state by off-mode, accurately environmentally light carrys out adjusting backlight luminance, improves the effect of Consumer's Experience.
3rd embodiment
As shown in Figure 3, the third embodiment of the present invention provides a kind of control method of backlight illumination, is applied to the back side or side is provided with photosensitive device, front is provided with ambient light sensor electronic equipment (such as smart mobile phone, panel computer etc.).In this control method, after electronic equipment enters open state, the backlight brightness values of electronic equipment can be regulated by the second detection numerical value detected by ambient light sensor and photosensitive device the 3rd detection numerical value that environmentally luminance brightness detection obtains.This control method specifically comprises:
Step S301, the state of monitoring electronic equipment.
In the third embodiment of the present invention, for the ease of regulating accurately the backlight illumination of electronic equipment, the moment is needed to monitor the state of electronic equipment.Wherein, the state of above-mentioned electronic equipment mainly comprises and enters open state from off-mode and enter these two states after open state.In order to more clearly define after whether electronic equipment enter open state, can suppose that the moment of the starting up's action monitoring electronic equipment was the first moment at this, and when start proceeds to certain node (boot of such as starting shooting), after then thinking that electronic equipment enters open state, simultaneously in the time period of the first moment to certain node (boot of such as starting shooting), judge that the state of electronic equipment enters open state as from off-mode.
Step S302, after monitoring electronic equipment and entering open state, the second detection numerical value that acquisition ambient light sensor detects and photosensitive device environmentally luminance brightness detect the 3rd detection numerical value obtained.
In the third embodiment of the present invention, the surround lighting intensity values that above-mentioned second detection numerical value detects for ambient light sensor, the above-mentioned 3rd detects numerical value can determine according to the type of photosensitive device.Such as when photosensitive device is photoresistance, the 3rd detection numerical value can be resistance value, magnitude of voltage etc., and when photosensitive device is photodiode, the 3rd detection numerical value can be current value, magnitude of voltage etc.
In the third embodiment of the present invention, above-mentioned steps S302 specifically comprises: obtain the second detection numerical value that ambient light sensor detects, and then the size of the second detection numerical value and predetermined threshold value is compared, when the second detection numerical value is greater than predetermined threshold value, under thinking that electronic equipment is in high light pattern, continuation acquisition photosensitive device environmentally luminance brightness detects the 3rd detection numerical value obtained.Wherein, the span of above-mentioned predetermined threshold value is 3000 ~ 5000 luxs, it is appreciated of course that in the third embodiment of the present invention, do not limit the concrete size of above-mentioned predetermined threshold value, it can the model of environmentally optical sensor adjust.It should be noted that, when the second detection numerical value is less than predetermined threshold value, under thinking that electronic equipment is not in high light pattern, directly can detect numerical generation pwm signal adjusting backlight luminance value according to second.
Step S303, detects numerical value and the 3rd according to second and detects numerical value adjusting backlight luminance value.
In the third embodiment of the present invention, in electronic equipment, be previously stored with the corresponding relation between the detection numerical value (such as magnitude of voltage, resistance value, current value etc.) of photosensitive device and surround lighting intensity values.Therefore, above-mentioned steps S303 specifically comprises: according to the corresponding relation between the detection numerical value of the photosensitive device prestored and surround lighting intensity values, determine that the 3rd detects numerical value (such as magnitude of voltage, resistance value, current value etc.) corresponding second environment light intensity value, then the size that second environment light intensity value and second detects numerical value is compared, when second environment light intensity value is greater than the second detection numerical value, think that electronic equipment is in backlight pattern, and calculate the difference that second environment light intensity value and second detects numerical value, and calculate the second detection numerical value, the error amount (this error amount is determined by the model of self of photosensitive device) of difference and photosensitive device and value, what last basis calculated generates pwm signal adjusting backlight luminance value with value.
The third embodiment of the present invention is by the state of monitoring electronic equipment, and when monitoring after electronic equipment enters open state, the the second detection numerical value detected by ambient light sensor and photosensitive device environmentally luminance brightness detect the backlight brightness values that the 3rd detection numerical value obtained regulates electronic equipment, reach after electronic equipment enters open state, can accurately environmentally light carry out adjusting backlight luminance, improve the effect of Consumer's Experience.
4th embodiment
Above first embodiment describes the control method of the backlight illumination of electronic equipment under different conditions in detail to the 3rd embodiment, is described further below in conjunction with Fig. 4 ~ Fig. 7 pair of electronic equipment corresponding with it.
As shown in Figure 4, the fourth embodiment of the present invention provides a kind of electronic equipment, this electronic equipment the back side or side are provided with photosensitive device, front is provided with ambient light sensor, this electronic equipment comprises monitoring modular 401 and the first adjustment module 402, and monitoring modular 401 is connected with the first adjustment module 402.
Wherein, monitoring modular 401, for monitoring the state of electronic equipment.
In the fourth embodiment of the present invention, for the ease of regulating accurately the backlight illumination of electronic equipment, monitoring modular 401 moment is needed to monitor the state of electronic equipment.Wherein, the state of above-mentioned electronic equipment mainly comprises and enters open state from off-mode and enter these two states after open state.
First adjustment module 402, for the state according to the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
In the fourth embodiment of the present invention, when the first adjustment module 402 monitor electronic equipment enter open state from off-mode time, the backlight brightness values of electronic equipment can be regulated by photosensitive device, and when the first adjustment module 402 monitors after electronic equipment enters open state, can by photosensitive device and ambient light sensor adjusting backlight luminance value.
Alternatively, as shown in Figure 5, the first adjustment module 402 comprises:
First acquiring unit 4021, for when monitoring electronic equipment and entering into open state from off-mode, acquisition photosensitive device environmentally luminance brightness detects the first detection numerical value obtained;
In the fourth embodiment of the present invention, the first detection numerical value can be determined according to the type of photosensitive device.Such as when photosensitive device is photoresistance, the first detection numerical value can be resistance value, magnitude of voltage etc.
First regulon 4022, for detecting numerical value adjusting backlight luminance value according to obtain first.Wherein, the first acquiring unit 4021 is connected with the first regulon 4022.
In the fourth embodiment of the present invention, the corresponding relation between the detection numerical value (such as magnitude of voltage, resistance value, current value etc.) of photosensitive device and surround lighting intensity values is previously stored with in electronic equipment.Therefore the first regulon 4022 comprises:
First regulates subelement 40221, for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determines the first environment light intensity value that the first detection numerical value is corresponding;
Second regulates subelement 40222, for according to first environment light intensity value production burst width modulated pwm signal adjusting backlight luminance value.
Wherein, first subelement 40221 and second is regulated to regulate subelement 40222 to be connected.
Alternatively, as shown in Figure 6, the first adjustment module 402 comprises:
Second acquisition unit 4023, for after monitoring electronic equipment and entering open state, the second detection numerical value that acquisition ambient light sensor detects and photosensitive device environmentally luminance brightness detect the 3rd detection numerical value obtained;
In the fourth embodiment of the present invention, the surround lighting intensity values that above-mentioned second detection numerical value detects for ambient light sensor, the above-mentioned 3rd detects numerical value can determine according to the type of photosensitive device.Such as when photosensitive device is photoresistance, the 3rd detection numerical value can be resistance value, magnitude of voltage etc.
Second regulon 4024, detects numerical value adjusting backlight luminance value for detecting numerical value and the 3rd according to second.Wherein, second acquisition unit 4023 is connected with the second regulon 4024.
Particularly, second acquisition unit 4023 comprises:
First subelement 40231, detect for obtaining ambient light sensor second detects numerical value;
Second subelement 40232, for comparing the size of the second detection numerical value and predetermined threshold value, the span of predetermined threshold value is 3000 ~ 5000 luxs;
3rd subelement 40233, for when the second detection numerical value is greater than predetermined threshold value, acquisition photosensitive device environmentally luminance brightness detects the 3rd detection numerical value obtained.
Wherein, the first subelement 40231 is connected with the second subelement 40232, and the second subelement 40232 is connected with the 3rd subelement 40233.
In the fourth embodiment of the present invention, the corresponding relation between the detection numerical value (such as magnitude of voltage, resistance value, current value etc.) of photosensitive device and surround lighting intensity values is previously stored with in electronic equipment.Therefore, the second regulon 4024 comprises:
4th subelement 40241, for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determines that the 3rd detects second environment light intensity value corresponding to numerical value;
5th subelement 40242, detects the size of numerical value for comparing second environment light intensity value and second;
6th subelement 40243, for when second environment light intensity value is greater than the second detection numerical value, calculates the difference that second environment light intensity value and second detects numerical value;
7th subelement 40244, for calculate the error amount of the second detection numerical value, difference and photosensitive device and value;
In the fourth embodiment of the present invention, the error amount of photosensitive device is determined by the model of self of photosensitive device.
8th subelement 40245, generates pwm signal adjusting backlight luminance value for basis and value.
Wherein, the 4th subelement 40241 is connected with the 5th subelement 40242, and the 5th subelement 40242 is connected with the 6th subelement 40243, and the 6th subelement 40243 is connected with the 7th subelement 40244, and the 7th subelement 40244 is connected with the 8th subelement 40245.
Alternatively, as shown in Figure 7, electronic equipment also comprises:
Second adjustment module 403, for when the second detection numerical value is less than predetermined threshold value, detects numerical generation pwm signal adjusting backlight luminance value according to second.
Wherein, the second adjustment module 403 is connected with the first adjustment module 402.
The electronic equipment of fourth embodiment of the invention can realize each process that in the control method embodiment of Fig. 1 ~ Fig. 3, electronic equipment realizes, and for avoiding repetition, repeats no more here.
The electronic equipment of the fourth embodiment of the present invention is by monitoring the state of electronic equipment, and according to the state monitored, the backlight brightness values of self is regulated by photosensitive device and ambient light sensor, no matter reach self is enter open state by off-mode, still after entering open state, environmentally can regulate self backlight brightness values by light, promote the effect of Consumer's Experience.
5th embodiment
As shown in Figure 8, a kind of electronic equipment that fifth embodiment of the invention provides, this electronic equipment 800 comprises: at least one processor 801, storer 802, at least one network interface 804 and other user interfaces 803.Each assembly in mobile terminal 800 is coupled by bus system 805.Can understand, bus system 805 is for realizing the connection communication between these assemblies.Bus system 805, except comprising data bus, also comprises power bus, control bus and status signal bus in addition.But for the purpose of clearly demonstrating, in fig. 8 various bus is all designated as bus system 805.
Wherein, user interface 803 can comprise display, keyboard or pointing device (such as, mouse, trace ball (trackball), touch-sensitive plate or touch-screen etc.
Be appreciated that the storer 802 in the embodiment of the present invention can be volatile memory or nonvolatile memory, maybe can comprise volatibility and nonvolatile memory.Wherein, nonvolatile memory can be ROM (read-only memory) (Read-OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM (ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM, EEPROM) or flash memory.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM (StaticRAM, SRAM), dynamic RAM (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory (SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRateSDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (EnhancedSDRAM, ESDRAM), synchronized links dynamic RAM (SynchlinkDRAM, and direct rambus random access memory (DirectRambusRAM SLDRAM), DRRAM).The storer 802 of system and method described herein is intended to include but not limited to the storer of these and other applicable type arbitrarily.
In some embodiments, storer 802 stores following element, executable module or data structure, or their subset, or their superset: operating system 8021 and application program 8022.It should be noted that, in the fifth embodiment of the present invention, in storer 802, at least store the information such as the error amount of the corresponding relation between the detection numerical value of photosensitive device and surround lighting intensity values, predetermined threshold value and photosensitive device.
Wherein, operating system 8021, comprises various system program, such as ccf layer, core library layer, driving layer etc., for realizing various basic business and processing hardware based task.Application program 8022, comprises various application program, such as media player (MediaPlayer), browser (Browser) etc., for realizing various applied business.The program realizing embodiment of the present invention method can be included in application program 8022.
In embodiments of the present invention, by calling program or the instruction of storer 802 storage, concrete, can be the program or instruction that store in application program 8022, processor 801 is for monitoring the state of electronic equipment, and according to the state of the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
The method that the invention described above embodiment discloses can be applied in processor 801, or is realized by processor 801.Processor 801 may be a kind of integrated circuit (IC) chip, has the processing power of signal.In implementation procedure, each step of said method can be completed by the instruction of the integrated logic circuit of the hardware in processor 801 or software form.Above-mentioned processor 801 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), special IC (ApplicationSpecificIntegratedCircuit, ASIC), ready-made programmable gate array (FieldProgrammableGateArray, FPGA) or other programmable logic device (PLD), discrete gate or transistor logic, discrete hardware components.Can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.The processor etc. of general processor can be microprocessor or this processor also can be any routine.Step in conjunction with the method disclosed in the embodiment of the present invention directly can be presented as that hardware decoding processor is complete, or combines complete by the hardware in decoding processor and software module.Software module can be positioned at random access memory, flash memory, ROM (read-only memory), in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable storer, register.This storage medium is positioned at storer 802, and processor 801 reads the information in storer 802, completes the step of said method in conjunction with its hardware.
Be understandable that, these embodiments described herein can realize with hardware, software, firmware, middleware, microcode or its combination.For hardware implementing, processing unit can be implemented in one or more special IC (ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor (DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device (ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray, FPGA), general processor, controller, microcontroller, microprocessor, for performing in other electronic unit of function described in the application or its combination.
For software simulating, realize the techniques described herein by the module (such as process, function etc.) performing function described herein.Software code can be stored in memory and be performed by processor.Storer can realize within a processor or in processor outside.
Alternatively, processor 801 is also for when monitoring electronic equipment and entering into open state from off-mode, and acquisition photosensitive device environmentally luminance brightness detects the first detection numerical value obtained, and according to the first detection numerical value adjusting backlight luminance value obtained.
Alternatively, processor 801 is also for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determine the first environment light intensity value that the first detection numerical value is corresponding, and according to first environment light intensity value production burst width modulated pwm signal adjusting backlight luminance value.
Alternatively, processor 801 is also for after monitoring electronic equipment and entering open state, the second detection numerical value that acquisition ambient light sensor detects and photosensitive device environmentally luminance brightness detect the 3rd detection numerical value obtained, and according to the second detection numerical value and the 3rd detection numerical value adjusting backlight luminance value.
Alternatively, processor 801 is also for obtaining the second detection numerical value that ambient light sensor detects; And comparing the size of the second detection numerical value and predetermined threshold value, the span of predetermined threshold value is 3000 ~ 5000 luxs, and when the second detection numerical value is greater than predetermined threshold value, acquisition photosensitive device environmentally luminance brightness detects the 3rd detection numerical value obtained.
Alternatively, processor 801 is also for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determine that the 3rd detects second environment light intensity value corresponding to numerical value, and compare the size that second environment light intensity value and second detects numerical value, when second environment light intensity value is greater than the second detection numerical value, calculate the difference that second environment light intensity value and second detects numerical value, calculate second detect the error amount of numerical value, difference and photosensitive device and value, and generate pwm signal adjusting backlight luminance value according to value.Wherein, pwm signal can be generated by circuit as shown in Figure 9 herein.Particularly, foregoing circuit comprises: for generation of the multivibrator of sawtooth wave, for comparer (A2 in the such as Fig. 9) direct supply (VCC1 in such as Fig. 9) of output pwm signal, resistance (R5 in such as Fig. 9) and photosensitive device (the photoresistance R6 in such as Fig. 9), wherein, the two ends of resistance are connected with the first end of direct supply and photosensitive device (the photoresistance R6 in such as Fig. 9) respectively, and the second end ground connection of photosensitive device (the photoresistance R6 in such as Fig. 9), the output terminal of multivibrator is connected with the first input end of comparer, the first end of photosensitive device (the photoresistance R6 in such as Fig. 9) is connected with the second input end of comparer.And the pwm signal generated by foregoing circuit is as shown in Figure 10, wherein longitudinal axis V
infor the voltage at the first end place of photosensitive device (the photoresistance R6 in such as Fig. 9), longitudinal axis V
rEFfor sawtooth wave, longitudinal axis V
outfor pwm signal, transverse axis is time t.It should be noted that at this, above-mentioned multivibrator comprises direct supply VCC2, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, diode D1 and comparer A1 in Fig. 2.It is appreciated of course that in the fifth embodiment of the present invention, do not limit the concrete structure of multivibrator, it can realize according to any one in prior art.
Alternatively, processor 801 also for when the second detection numerical value is less than predetermined threshold value, detects numerical generation pwm signal adjusting backlight luminance value according to second.
Electronic equipment 800 can realize each process that in previous embodiment, electronic equipment realizes, and for avoiding repetition, repeats no more here.
The electronic equipment of the fifth embodiment of the present invention is by monitoring the state of electronic equipment, and according to the state monitored, the backlight brightness values of self is regulated by photosensitive device and ambient light sensor, no matter reach self is enter open state by off-mode, still after entering open state, environmentally can regulate self backlight brightness values by light, promote the effect of Consumer's Experience.
6th embodiment
As shown in figure 11, a kind of electronic equipment of providing of the sixth embodiment of the present invention.Particularly, the electronic equipment 1100 in Figure 11 can be smart mobile phone, panel computer, personal digital assistant (PersonalDigitalAssistant, PDA) or vehicle-mounted computer etc.
Electronic equipment 1100 in Figure 11 comprises radio frequency (RadioFrequency, RF) circuit 1110, storer 1120, input block 1130, display unit 1140, processor 1160, voicefrequency circuit 1170, WiFi (WirelessFidelity) module 1180 and power supply 1190.
Wherein, input block 1130 can be used for the numeral or the character information that receive user's input, and generation arranges with the user of electronic equipment 1100 and function controls the input of relevant signal.Particularly, in the embodiment of the present invention, this input block 1130 can comprise contact panel 1131.Contact panel 1131, also referred to as touch-screen, user can be collected or neighbouring touch operation (such as user uses any applicable object or the operations of annex on contact panel 1131 such as finger, stylus) thereon, and drive corresponding coupling arrangement according to the formula preset.Optionally, contact panel 1131 can comprise touch detecting apparatus and touch controller two parts.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation brings, and sends signal to touch controller; Touch controller receives touch information from touch detecting apparatus, and converts it to contact coordinate, then gives this processor 1160, and the order that energy receiving processor 1160 is sent also is performed.In addition, the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be adopted to realize contact panel 1131.Except contact panel 1131, input block 1130 can also comprise other input equipments 1132, other input equipments 1132 can include but not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, control lever etc. one or more.
Wherein, display unit 1140 can be used for the various menu interfaces showing information or the information being supplied to user and the electronic equipment 1100 inputted by user.Display unit 1140 can comprise display panel 1141, optionally, the form such as LCD or Organic Light Emitting Diode (OrganicLight-EmittingDiode, OLED) can be adopted to configure display panel 1141.
Should note, contact panel 1131 can cover display panel 1141, form touch display screen, when this touch display screen detects thereon or after neighbouring touch operation, send processor 1160 to determine the type of touch event, on touch display screen, provide corresponding vision to export with preprocessor 1160 according to the type of touch event.
Touch display screen comprises Application Program Interface viewing area and conventional control viewing area.The arrangement mode of this Application Program Interface viewing area and this conventional control viewing area does not limit, and can distinguish the arrangement mode of two viewing areas for be arranged above and below, left-right situs etc.This Application Program Interface viewing area may be used for the interface of display application program.Each interface can comprise the interface element such as icon and/or widget desktop control of at least one application program.This Application Program Interface viewing area can for not comprising the empty interface of any content yet.This conventional control viewing area, for showing the higher control of utilization rate, such as, arranges the application icons etc. such as button, interface numbering, scroll bar, phone directory icon.
Wherein processor 1160 is control centers of electronic equipment 1100, utilize the various piece of various interface and the whole mobile phone of connection, software program in first memory 1121 and/or module is stored in by running or performing, and call the data be stored in second memory 1122, perform various function and the process data of electronic equipment 1100, thus integral monitoring is carried out to electronic equipment 1100.Optionally, processor 1160 can comprise one or more processing unit.It should be noted that, in the sixth embodiment of the present invention, in second memory 1122, at least store the information such as the error amount of the corresponding relation between the detection numerical value of photosensitive device and surround lighting intensity values, predetermined threshold value and photosensitive device.
In embodiments of the present invention, by calling the data stored in software program in this first memory 1121 and/or module and/or this second memory 1122, processor 1160 is for monitoring the state of electronic equipment, and according to the state of the electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
Alternatively, processor 1160 is also for when monitoring electronic equipment and entering into open state from off-mode, and acquisition photosensitive device environmentally luminance brightness detects the first detection numerical value obtained, and according to the first detection numerical value adjusting backlight luminance value obtained.
Alternatively, processor 1160 is also for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determine the first environment light intensity value that the first detection numerical value is corresponding, and according to first environment light intensity value production burst width modulated pwm signal adjusting backlight luminance value.
Alternatively, processor 1160 is also for after monitoring electronic equipment and entering open state, the second detection numerical value that acquisition ambient light sensor detects and photosensitive device environmentally luminance brightness detect the 3rd detection numerical value obtained, and according to the second detection numerical value and the 3rd detection numerical value adjusting backlight luminance value.
Alternatively, processor 1160 is also for obtaining the second detection numerical value that ambient light sensor detects; And comparing the size of the second detection numerical value and predetermined threshold value, the span of predetermined threshold value is 3000 ~ 5000 luxs, and when the second detection numerical value is greater than predetermined threshold value, acquisition photosensitive device environmentally luminance brightness detects the 3rd detection numerical value obtained.
Alternatively, processor 1160 is also for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determine that the 3rd detects second environment light intensity value corresponding to numerical value, and compare the size that second environment light intensity value and second detects numerical value, when second environment light intensity value is greater than the second detection numerical value, calculate the difference that second environment light intensity value and second detects numerical value, calculate second detect the error amount of numerical value, difference and photosensitive device and value, and generate pwm signal adjusting backlight luminance value according to value.Wherein, pwm signal can be generated by circuit as shown in Figure 9 herein.Particularly, foregoing circuit comprises: for generation of the multivibrator of sawtooth wave, for comparer (A2 in the such as Fig. 9) direct supply (VCC1 in such as Fig. 9) of output pwm signal, resistance (R5 in such as Fig. 9) and photosensitive device (the photoresistance R6 in such as Fig. 9), wherein, the two ends of resistance are connected with the first end of direct supply and photosensitive device (the photoresistance R6 in such as Fig. 9) respectively, and the second end ground connection of photosensitive device (the photoresistance R6 in such as Fig. 9), the output terminal of multivibrator is connected with the first input end of comparer, the first end of photosensitive device (the photoresistance R6 in such as Fig. 9) is connected with the second input end of comparer.And the pwm signal generated by foregoing circuit is as shown in Figure 10, wherein longitudinal axis V
infor the voltage at the first end place of photosensitive device (the photoresistance R6 in such as Fig. 9), longitudinal axis V
rEFfor sawtooth wave, longitudinal axis V
outfor pwm signal, transverse axis is time t.It should be noted that at this, above-mentioned multivibrator comprises direct supply VCC2, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, diode D1 and comparer A1 in Fig. 2.It is appreciated of course that in the fifth embodiment of the present invention, do not limit the concrete structure of multivibrator, it can realize according to any one in prior art.
Alternatively, processor 1160 also for when the second detection numerical value is less than predetermined threshold value, detects numerical generation pwm signal adjusting backlight luminance value according to second.
Visible, the electronic equipment of the sixth embodiment of the present invention is by monitoring the state of electronic equipment, and according to the state monitored, the backlight brightness values of self is regulated by photosensitive device and ambient light sensor, no matter reach self is enter open state by off-mode, still, after entering open state, environmentally can regulate self backlight brightness values by light, promote the effect of Consumer's Experience.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In the embodiment that the application provides, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
It should be noted that further, the electronic equipment described in this instructions includes but not limited to smart mobile phone, panel computer etc., and described many functional parts are all called as module, specifically to emphasize the independence of its implementation.
Many functional parts described in this instructions are all called as module, specifically to emphasize the independence of its implementation.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise the different instruction be stored on diverse location, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, service data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described service data can be collected as individual data collection, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a control method for backlight illumination, is applied to an electronic equipment, and the described electronic equipment back side or side are provided with photosensitive device, and described electronic equipment front is provided with ambient light sensor, it is characterized in that, described control method comprises:
The state of monitoring electronic equipment;
According to the state of the described electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
2. control method according to claim 1, is characterized in that, the state of the described electronic equipment that described basis monitors, and by the step of photosensitive device and ambient light sensor adjusting backlight luminance value, comprising:
When monitoring described electronic equipment and entering into open state from off-mode, obtain described photosensitive device environmentally luminance brightness detect obtain first detect numerical value;
Numerical value adjusting backlight luminance value is detected according to first of described acquisition.
3. control method according to claim 2, is characterized in that, the described step detecting numerical value adjusting backlight luminance value according to first of described acquisition, comprising:
According to the corresponding relation between the detection numerical value of the photosensitive device prestored and surround lighting intensity values, determine that described first detects first environment light intensity value corresponding to numerical value;
According to described first environment light intensity value production burst width modulated pwm signal adjusting backlight luminance value.
4. control method according to claim 1, is characterized in that, the state of the described electronic equipment that described basis monitors, and by the step of photosensitive device and ambient light sensor adjusting backlight luminance value, comprising:
After monitoring described electronic equipment and entering open state, obtain that described ambient light sensor detects second detect numerical value and described photosensitive device environmentally luminance brightness detect obtain the 3rd detect numerical value;
Detect numerical value and the described 3rd according to described second and detect numerical value adjusting backlight luminance value.
5. control method according to claim 4, is characterized in that, the second detection numerical value that the described ambient light sensor of described acquisition detects and described photosensitive device environmentally luminance brightness detect the step of the 3rd detection numerical value obtained, and comprising:
Obtain the second detection numerical value that described ambient light sensor detects;
The size of more described second detection numerical value and predetermined threshold value, the span of described predetermined threshold value is 3000 ~ 5000 luxs;
When described second detect numerical value be greater than described predetermined threshold value time, obtain described photosensitive device environmentally luminance brightness detect obtain the 3rd detect numerical value.
6. control method according to claim 5, is characterized in that, the described step detecting numerical value and described 3rd detection numerical value adjusting backlight luminance value according to described second, comprising:
According to the corresponding relation between the detection numerical value of the photosensitive device prestored and surround lighting intensity values, determine that the described 3rd detects second environment light intensity value corresponding to numerical value;
More described second environment light intensity value and described second detects the size of numerical value;
When described second environment light intensity value is greater than described second detection numerical value, calculate the difference that described second environment light intensity value and described second detects numerical value;
Calculate described second detect numerical value, described difference and described photosensitive device error amount and value;
Pwm signal adjusting backlight luminance value is generated according to described and value.
7. control method according to claim 5, is characterized in that, described control method also comprises:
When described second detection numerical value is less than described predetermined threshold value, detect numerical generation pwm signal adjusting backlight luminance value according to described second.
8. an electronic equipment, described electronic equipment the back side or side are provided with photosensitive device, front is provided with ambient light sensor, it is characterized in that, described electronic equipment comprises:
Monitoring modular, for monitoring the state of electronic equipment;
First adjustment module, for the state according to the described electronic equipment monitored, by photosensitive device and ambient light sensor adjusting backlight luminance value.
9. electronic equipment according to claim 8, is characterized in that, described first adjustment module comprises:
First acquiring unit, for when monitoring described electronic equipment and entering into open state from off-mode, obtain described photosensitive device environmentally luminance brightness detect obtain first detect numerical value;
First regulon, for detecting numerical value adjusting backlight luminance value according to first of described acquisition.
10. electronic equipment according to claim 9, is characterized in that, described first regulon comprises:
First regulates subelement, for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determines that described first detects first environment light intensity value corresponding to numerical value;
Second regulates subelement, for according to described first environment light intensity value production burst width modulated pwm signal adjusting backlight luminance value.
11. electronic equipments according to claim 8, is characterized in that, described first adjustment module comprises:
Second acquisition unit, for after monitoring described electronic equipment and entering open state, obtain that described ambient light sensor detects second detect numerical value and described photosensitive device environmentally luminance brightness detect obtain the 3rd detect numerical value;
Second regulon, detects numerical value adjusting backlight luminance value for detecting numerical value and the described 3rd according to described second.
12. electronic equipments according to claim 11, is characterized in that, described second acquisition unit comprises:
First subelement, detect for obtaining described ambient light sensor second detects numerical value;
Second subelement, detect the size of numerical value and predetermined threshold value for more described second, the span of described predetermined threshold value is 3000 ~ 5000 luxs;
3rd subelement, for when described second detect numerical value be greater than described predetermined threshold value time, obtain described photosensitive device environmentally luminance brightness detect obtain the 3rd detect numerical value.
13. electronic equipments according to claim 12, is characterized in that, described second regulon comprises:
4th subelement, for according to the corresponding relation between the detection numerical value of photosensitive device prestored and surround lighting intensity values, determines that the described 3rd detects second environment light intensity value corresponding to numerical value;
5th subelement, detects the size of numerical value for more described second environment light intensity value and described second;
6th subelement, during for being greater than described second detection numerical value when described second environment light intensity value, calculates the difference that described second environment light intensity value and described second detects numerical value;
7th subelement, for calculate described second detect numerical value, described difference and described photosensitive device error amount and value;
8th subelement, for generating pwm signal adjusting backlight luminance value according to described and value.
14. electronic equipments according to claim 12, is characterized in that, described electronic equipment also comprises:
Second adjustment module, for when described second detection numerical value is less than described predetermined threshold value, detects numerical generation pwm signal adjusting backlight luminance value according to described second.
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