CN105260155A - Electronic equipment and control method thereof - Google Patents
Electronic equipment and control method thereof Download PDFInfo
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- CN105260155A CN105260155A CN201510706355.7A CN201510706355A CN105260155A CN 105260155 A CN105260155 A CN 105260155A CN 201510706355 A CN201510706355 A CN 201510706355A CN 105260155 A CN105260155 A CN 105260155A
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Abstract
The embodiment of the invention discloses electronic equipment and a control method thereof. The electronic equipment comprises a system platform, a display screen, and a first register, a second register and a controller as well, wherein the first register is connected with the system platform; one end of the second register is connected with the display screen, and the other end of the second register is connected with the first register; the controller controls the second register to output a backlight control signal obtained by the first register when the system platform provides the backlight control signal for the first register, and controls the second register to continuously output the current backlight control signal when the system platform does not provide the backlight control signal for the first register. According to the electronic equipment provided by the embodiment of the invention, the switch of two backlight control manners can be achieved without a switch, the problem that display pictures flicker due to the limit of the switching speed of the switch is solved, and the display quality of the electronic equipment for picture display is improved.
Description
Technical field
The present invention relates to backlight control techniques field, particularly relate to a kind of electronic equipment and control method thereof.
Background technology
The backlight of conventional electronic devices is all controlled by system platform, along with the development of science and technology, in order to reduce the power consumption of electronic equipment, backlight in current electronic equipment mainly adopts two kinds of control modes, be when the system works of described electronic equipment, the backlight of described electronic equipment is worked by system platform; Another kind is that the backlight of described electronic equipment is controlled by controller when the system idles (as standby) of described electronic equipment.Usually adopt in prior art and increase change-over switch, realize the switching of two kinds of backlight control modes, the rate request of this switching mode to change-over switch is higher, and easily causes time delay, causes glimmering of display frame.
Summary of the invention
For solving the problems of the technologies described above, embodiments providing a kind of electronic equipment and control method thereof, to weaken the phenomenon of display frame flicker when two kinds of backlight control modes switch, improving the display quality of electronic device display.
For solving the problem, embodiments provide following technical scheme:
A kind of electronic equipment, comprising: system platform, display screen, also comprise:
First register, described first register is connected with described system platform;
Second register, described second register one end is connected with described display screen, and the other end is connected with described first register;
Controller, described controller is when described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
Preferably, described controller is when described system platform provides backlight control signal to described first register, be communicated with the data channel between described first register and the second register, control the backlight control signal that described second register exports the first register acquisition; When described system platform provides backlight control signal to described first register, cut off the data channel between described first register and the second register, control described second register and continue to export current backlight control signal.
Preferably, when the described controller of profit is also for providing backlight control signal to described first register in described system platform, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register exports.
Preferably, described first register is 10 bit registers; Described second register is 10 bit registers.
Preferably, described backlight control signal is pulse-modulated signal.
A control method for electronic equipment, is applied to the electronic equipment described in above-mentioned any one, and this control method comprises:
Detect the duty of described system platform;
When described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition;
When described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
Preferably, when described system platform provides backlight control signal to described first register, control described second register and export the backlight control signal that the first register obtains and comprise:
When described system platform provides backlight control signal to described first register, be communicated with the data channel between described first register and the second register, control the backlight control signal that described second register exports the first register acquisition;
Accordingly, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal and comprise:
When described system platform provides backlight control signal to described first register, cut off the data channel between described first register and the second register, control described second register and continue to export current backlight control signal.
Preferably, the method also comprises:
When described system platform provides backlight control signal to described first register, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register exports.
Preferably, when described backlight control signal is pulse-modulated signal, according to the light intensity around described electronic equipment, the backlight control signal regulating described second register to export comprises:
According to the light intensity around described electronic equipment, by regulating the dutycycle of described pulse-modulated signal, regulate the backlight control signal that described second register exports.
Compared with prior art, technique scheme has the following advantages:
The technical scheme that the embodiment of the present invention provides, except comprising: except system platform, display screen, also comprise: the first register, described first register is connected with described system platform, second register, described second register one end is connected with described display screen, and the other end is connected with described first register, controller, described controller is when described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition, when described system platform provides backlight control signal to described first register, control described second register to continue to export current backlight control signal, thus when making described electronic equipment in running order, by system platform, backlight control signal is exported to display screen through described first register and the second register successively, control the display brightness of described display screen, when described electronic equipment is in holding state, described system platform does not provide backlight control signal to described first register, described second register is maintained and exports current backlight control signal, control the display brightness of described aobvious screen, the switching of two kinds of backlight control modes can be realized without the need to introducing the electron devices such as change-over switch, solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, 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.
The structural representation of the electronic equipment that Fig. 1 provides for one embodiment of the invention;
The process flow diagram of the control method of the electronic equipment that Fig. 2 provides for one embodiment of the invention.
Embodiment
Just as described in the background section, usually adopt in prior art and increase change-over switch, realize the switching of two kinds of backlight control modes, the rate request of this switching mode to change-over switch is higher, and easily causes time delay, causes glimmering of display frame.
In view of this, embodiments provide a kind of electronic equipment, comprising: system platform, display screen, also comprise:
First register, described first register is connected with described system platform;
Second register, described second register one end is connected with described display screen, and the other end is connected with described first register;
Controller, described controller is when described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
Accordingly, the embodiment of the present invention additionally provides a kind of control method of electronic equipment, is applied to above-mentioned electronic equipment, and this control method comprises:
Detect the duty of described system platform;
When described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition;
When described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
The electronic equipment that the embodiment of the present invention provides and control method thereof, when described electronic equipment is in running order, by system platform, backlight control signal is exported to display screen through described first register and the second register successively, control the display brightness of described display screen, when described electronic equipment is in holding state, described system platform does not provide backlight control signal to described first register, described second register is maintained and exports current backlight control signal, control the display brightness of described aobvious screen, the switching of two kinds of backlight control modes can be realized without the need to introducing the electron devices such as change-over switch, solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display.
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 only 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.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figure 1, embodiments provide a kind of electronic equipment, comprising:
System platform 100;
Display screen 200;
First register 300, described first register 300 is connected with described system platform 100;
Second register 400, described second register 400 one end is connected with described display screen 200, and the other end is connected with described first register 300;
Controller 500, described controller 500 is when described system platform 100 provides backlight control signal to described first register 300, control the backlight control signal that described second register 400 exports the first register 300 acquisition, when described system platform 100 provides backlight control signal to described first register 300, control described second register 400 and continue to export current backlight control signal.
Concrete, on the basis of above-described embodiment, in one embodiment of the invention, described controller 500 is when described system platform 100 provides backlight control signal to described first register 300, be communicated with the data channel between described first register 300 and described second register 400, control described second register 400 and export backlight control signal that described first register 300 obtains from described system platform 100 to described display screen 200, control the display brightness of described display screen 200, when described system platform 100 provides backlight control signal to described first register 300, cut off the data channel between described first register 300 and the second register 400, control described second register 400 to continue to export current backlight control signal to described display screen 200, control the display brightness of described display screen 200.
On the basis of above-described embodiment, in a preferred embodiment of the invention, in described electronic equipment, by the mode of hardware logic between described first register 300 and the second register 400, realize data transmission, to make the output signal time not life period delay of described first register 300 and described second register 400, but the present invention is to this and be construed as limiting, in other embodiments of the invention, the mapping that other modes realize between described first register 300 and described second register 400 can also be adopted in described electronic equipment, specifically depend on the circumstances.
In inventive embodiments, when described electronic equipment is in running status, described system platform 100 is utilized to provide backlight control signal, and this backlight control signal is exported to described first register 300, described controller 500 controls described second register 400 and exports the backlight control signal of described first register 300 acquisition to described display screen 200, controls the display brightness of described display screen 200; When described electronic equipment is in holding state, described system platform 100 quits work, do not reoffer backlight control signal, described controller 500 controls described second register 400 and maintains the current backlight control signal of output to described display screen 200, control the display brightness of described display screen 200, to reduce the power consumption of described electronic equipment.
From the above, the electronic equipment that the embodiment of the present invention provides is when realizing the switching of two kinds of backlight control modes, without the need to introducing change-over switch, thus solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display, improve Consumer's Experience.And, owing to no longer needing to increase the electron devices such as change-over switch in the electronic equipment that the embodiment of the present invention provides, thus the electronic equipment that the embodiment of the present invention is provided, compared to electronic equipment of the prior art, area is less, is conducive to the development that described electronic equipment is lightening.
It should be noted that, the brightness of the surrounding environment residing for described electronic equipment is not fixed value, more mate with surrounding environment to make the display brightness of described electronic equipment display screen 200, on the basis of above-mentioned any embodiment, in one embodiment of the invention, when described controller 500 is also for providing backlight control signal to described first register in described system platform 100, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register 400 exports, when light intensity around described electronic equipment is larger, the control signal that described controller 500 regulates described second register 400 to export, reduce the display brightness of described electronic equipment display screen 200, when described electronic equipment ambient light intensity is less, described controller 500 regulates the backlight control signal of the output of described second register 400, increase the display brightness of described electronic equipment display screen 200, thus meeting user on the basis of described display display brightness demand, the power consumption of the described electronic equipment of further reduction.
On the basis of above-mentioned any embodiment, in one particular embodiment of the present invention, described first register 300 is 10 bit registers, and to realize the backlight control precision on 256 rank, but the present invention does not limit this, specifically depends on the circumstances.In like manner, in embodiments of the present invention, described second register 400 also can be 10 bit registers, and to realize the backlight control precision on 256 rank, also can be the register of other figure places, the present invention limit this, specifically depends on the circumstances.
On the basis of above-mentioned any embodiment, in one particular embodiment of the present invention, described backlight control signal is pulse-modulated signal, but the present invention does not limit this, specifically depends on the circumstances.
Known from the above mentioned, the electronic equipment that the embodiment of the present invention provides, when described electronic equipment is in running order, by system platform 100, backlight control signal is exported to display screen 200 through described first register 300 and the second register 400 successively, control the display brightness of described display screen 200, when described electronic equipment is in holding state, described system platform 100 does not provide backlight control signal to described first register 300, described second register 400 is maintained and exports current backlight control signal, control the display brightness of described display screen 200, the switching of two kinds of backlight control side's modes can be realized without the need to introducing change-over switch, solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display.
Accordingly, the embodiment of the present invention additionally provides a kind of control method of electronic equipment, is applied to the electronic equipment that above-mentioned any embodiment provides, and as shown in Figure 2, this control method comprises:
Step 1: the duty detecting described system platform;
Step 2: when described system platform provides backlight control signal to described first register, controls the backlight control signal that described second register exports the first register acquisition;
Step 3: when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
On the basis of above-described embodiment, in one embodiment of the invention, when described system platform provides backlight control signal to described first register, control described second register and export the backlight control signal that the first register obtains and comprise:
When described system platform provides backlight control signal to described first register, be communicated with the data channel between described first register and the second register, control the backlight control signal that described second register exports the first register acquisition;
Accordingly, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal and comprise:
When described system platform provides backlight control signal to described first register, cut off the data channel between described first register and the second register, control described second register and continue to export current backlight control signal.
It should be noted that, in the control method of the electronic equipment that the embodiment of the present invention provides, when described electronic equipment is in running status, the display brightness of described display screen is controlled by described system platform, described system platform exports backlight control signal, and this backlight control signal is exported to described first register, now, control described second register and export the backlight control signal of described first register acquisition to described display screen, control the display brightness of described display screen; When described electronic equipment is in holding state, described system platform quits work, do not reoffer backlight control signal, the display brightness of described display screen is controlled by means of only described second register, to reduce the power consumption of described electronic equipment, concrete, maintaining the current backlight control signal of output to described display screen by controlling described second register, controlling the display brightness of described display screen.
From the above, the control method of the electronic equipment that the embodiment of the present invention provides, without the need to introducing other electron devices such as change-over switch, only need by controlling the break-make of data channel between described first register and the second register, the switching of two kinds of backlight control modes can be realized, thus solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display, improve Consumer's Experience.
On the basis of above-mentioned any embodiment, in one embodiment of the invention, this control method also comprises:
When described system platform provides backlight control signal to described first register, namely when described electronic equipment is in holding state, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register exports, when light intensity around described electronic equipment is larger, regulate the control signal that described second register exports, reduce the display brightness of described electronic equipment display screen, when described electronic equipment ambient light intensity is less, regulate the backlight control signal of the output of described second register, increase the display brightness of described electronic equipment display screen, thus on the basis of satisfied use not to described display display brightness demand, the power consumption of the described electronic equipment of further reduction.
On the basis of above-described embodiment, in a preferred embodiment of the invention, described backlight control signal is pulse-modulated signal, in this enforcement, according to the light intensity around described electronic equipment, the backlight control signal regulating described second register to export comprises: according to the light intensity around described electronic equipment, by regulating the dutycycle of described pulse-modulated signal, regulates the backlight control signal that described second register exports.Concrete, when light intensity around described electronic equipment is larger, reduce the dutycycle of described pulse-modulated signal, reduce the display brightness of described electronic equipment display screen, when described electronic equipment ambient light intensity is less, increases the dutycycle of described pulse-modulated signal, increase the display brightness of described electronic equipment display screen, thus for the basis to described display display brightness described in meeting, reduce the power consumption of described electronic equipment further.
In sum, the electronic equipment that the embodiment of the present invention provides and control method thereof, when described electronic equipment is in running order, by system platform, backlight control signal is exported to display screen through described first register and the second register successively, control the display brightness of described display screen, when described electronic equipment is in holding state, described system platform does not provide backlight control signal to described first register, described second register is maintained and exports current backlight control signal, control the display brightness of described aobvious screen, the switching of two kinds of backlight control modes can be realized without the need to introducing change-over switch, solve the problem causing display frame to be glimmered due to the restriction of change-over switch switch speed, improve the display quality of described electronic device display.
And, owing to no longer needing to increase the electron devices such as change-over switch in the electronic equipment that the embodiment of the present invention provides, thus the electronic equipment that the embodiment of the present invention is provided, compared to electronic equipment of the prior art, area is less, is conducive to the development that described electronic equipment is lightening.
In this instructions, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an electronic equipment, comprising: system platform, display screen, is characterized in that, also comprises:
First register, described first register is connected with described system platform;
Second register, described second register one end is connected with described display screen, and the other end is connected with described first register;
Controller, described controller is when described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
2. electronic equipment according to claim 1, it is characterized in that, described controller is when described system platform provides backlight control signal to described first register, be communicated with the data channel between described first register and the second register, control the backlight control signal that described second register exports the first register acquisition; When described system platform provides backlight control signal to described first register, cut off the data channel between described first register and the second register, control described second register and continue to export current backlight control signal.
3. electronic equipment according to claim 1, it is characterized in that, when described controller is also for providing backlight control signal to described first register in described system platform, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register exports.
4. the electronic equipment according to any one of claim 1-3, is characterized in that, described first register is 10 bit registers; Described second register is 10 bit registers.
5. the electronic equipment according to any one of claim 1-3, is characterized in that, described backlight control signal is pulse-modulated signal.
6. a control method for electronic equipment, is applied to the electronic equipment described in any one of claim 1-5, it is characterized in that, this control method comprises:
Detect the duty of described system platform;
When described system platform provides backlight control signal to described first register, control the backlight control signal that described second register exports the first register acquisition;
When described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal.
7. control method according to claim 6, is characterized in that, when described system platform provides backlight control signal to described first register, controls described second register and exports the backlight control signal that the first register obtains and comprise:
When described system platform provides backlight control signal to described first register, be communicated with the data channel between described first register and the second register, control the backlight control signal that described second register exports the first register acquisition;
Accordingly, when described system platform provides backlight control signal to described first register, control described second register and continue to export current backlight control signal and comprise:
When described system platform provides backlight control signal to described first register, cut off the data channel between described first register and the second register, control described second register and continue to export current backlight control signal.
8. control method according to claim 6, is characterized in that, the method also comprises:
When described system platform provides backlight control signal to described first register, monitor the light intensity of described electronic equipment surrounding environment, and according to the light intensity around described electronic equipment, regulate the backlight control signal that described second register exports.
9. control method according to claim 8, is characterized in that, when described backlight control signal is pulse-modulated signal, according to the light intensity around described electronic equipment, the backlight control signal regulating described second register to export comprises:
According to the light intensity around described electronic equipment, by regulating the dutycycle of described pulse-modulated signal, regulate the backlight control signal that described second register exports.
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| CN201510706355.7A CN105260155B (en) | 2015-10-27 | 2015-10-27 | A kind of electronic equipment and its control method |
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| CN201510706355.7A CN105260155B (en) | 2015-10-27 | 2015-10-27 | A kind of electronic equipment and its control method |
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| CN102237046A (en) * | 2011-07-25 | 2011-11-09 | 青岛海信电器股份有限公司 | Backlight illuminator, display device and backlight illuminating method |
| CN103778893A (en) * | 2014-02-07 | 2014-05-07 | 北京京东方视讯科技有限公司 | Backlight control method, backlight control device and display device |
| CN104635904A (en) * | 2013-11-12 | 2015-05-20 | 纬创资通股份有限公司 | Handheld electronic device and electricity saving method thereof |
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| CN101420474A (en) * | 2007-10-23 | 2009-04-29 | Lg电子株式会社 | Mobile terminal and apparatus for controlling illumination backlight thereof |
| CN102098369A (en) * | 2011-03-07 | 2011-06-15 | 重庆国虹科技发展有限公司 | Control method for backlight brightness of mobile phone LCD (liquid crystal display) |
| CN102237046A (en) * | 2011-07-25 | 2011-11-09 | 青岛海信电器股份有限公司 | Backlight illuminator, display device and backlight illuminating method |
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