CN106816139A - The control method of backlight, control device and the terminal with backlight - Google Patents
The control method of backlight, control device and the terminal with backlight Download PDFInfo
- Publication number
- CN106816139A CN106816139A CN201710233800.1A CN201710233800A CN106816139A CN 106816139 A CN106816139 A CN 106816139A CN 201710233800 A CN201710233800 A CN 201710233800A CN 106816139 A CN106816139 A CN 106816139A
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- Prior art keywords
- backlight
- terminal
- motion
- display panel
- acceleration
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
Abstract
The invention provides a kind of control method of backlight, control device and the terminal with backlight, wherein, the control method of backlight includes：Judge whether terminal is kept in motion；If the terminal is kept in motion, the direction of the display panel module of the terminal is judged；Whether the direction of the display panel module is judged in the range of predetermined angle, if it is, the backlight of the terminal is opened in control, otherwise, is not turned on the backlight of the terminal.By technical scheme, whether can determine whether to open backlight in default angular range by the direction of display screen when judging that terminal is kept in motion, reduce the erroneous judgement that backlight is opened in the case where user can't see, electric energy is saved, the experience of user is lifted.
Description
Technical field
A kind of a kind of control the present invention relates to electric light source domain, more particularly to control method of backlight, backlight is filled
Put and a kind of terminal with backlight.
Background technology
The method for controlling backlight thereof of the existing terminal with backlight is mostly that backlight is just lighted after any button is pressed, one
Automatic distinguishing again after the section time, so as to reduce power consumption.And these terminals light than it is dark when, user must first press
Under any push button exciting key-press backlight, can see the state of present terminal, but now because having pushed button,
The current running status of the terminal is changed, so as to the information for viewing is not the real use state of terminal.In the prior art,
To solve the above problems, there is provided judge to automatically turn on the operation of backlight, such as patent CN using acceleration transducer
201510923375.X, but this partial monopoly is not accounted for when display screen is inverted, and if terminal is moved, backlight also can
Light, cause erroneous judgement, waste electric energy.
Therefore, whether the direction of display screen judges whether need in default angular range when how to be moved according to terminal
Backlight is opened, as problem demanding prompt solution.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of control method of backlight.
It is another object of the present invention to propose a kind of control device of backlight.
A further object of the present invention is to propose a kind of terminal with backlight.
To achieve the above object, a kind of technical scheme according to the first aspect of the invention, it is proposed that control of backlight
Method, including：Judge whether terminal is kept in motion；If terminal is kept in motion, the display screen mould of terminal is judged
The direction of block；Whether the direction of display panel module is judged in the range of predetermined angle, if it is, the backlight of terminal is opened in control
Source, otherwise, is not turned on the backlight of terminal.
The control method of the backlight of technical scheme, is moved by judging whether terminal is according to a first aspect of the present invention
State, if be kept in motion, judge terminal display panel module to direction whether in default angular range,
If in the range of predetermined angle, the backlight of terminal is opened, if not being not turned on terminal in default angular range
Backlight.If display panel module be in default angular range, then it is assumed that now terminal be in user it can be seen that model
Enclose, now opening backlight could make user see the information on display screen, open backlight just meaningful.If not right
The direction of display panel module is judged, is nothing in many times user as long as terminal is kept in motion opens backlight
What method was seen, that is, it is insignificant, cause the waste of electric energy.Therefore, when judging that terminal is kept in motion, further sentence
The direction of disconnected display panel module, can reduce erroneous judgement, make backlight user's needs see and it can be seen that when open
Open, reduce the waste of electric energy.
The control method of the backlight of above-mentioned technical proposal of the invention, can also have following technical characteristic：
A technical scheme of the invention, it is preferable that judge whether terminal is kept in motion, specifically include：It is logical
Acceleration change amount of the acceleration transducer detection terminal of terminal on any axle in three axles perpendicular to one another is crossed, it is determined that
Whether terminal is kept in motion, wherein the display panel module of first axle in three axles perpendicular to the terminal, and direction
Direction on the outside of the display panel module is the positive direction of the acceleration of the first axle.
In the technical scheme, by the acceleration transducer in terminal, detection terminal three sides in space coordinates
To axle on acceleration, and then may determine that variable quantity of the terminal acceleration in each direction within a period of time,
During terminal is from inactive state to motion state, speed and acceleration can change, so as to be judged according to acceleration
Whether terminal is kept in motion.Side of perpendicular to one another three solid axes relative to display panel module where to terminal
To and the positive direction of wherein first axle set, the direction of the acceleration that can be detected according to acceleration transducer judges
The direction of terminal motion, and can interpolate that out the direction of display panel module.So as to, in order to avoid user is when terminal is picked up,
Only triggering terminal state can just light backlight, therefore automatically turn on backlight when judging that terminal is moved, and can improve
The experience of user.
A technical scheme of the invention, it is preferable that judge the direction of display panel module whether in predetermined angle model
In enclosing, specifically include：The angle between the acceleration direction in first axle and the direction of acceleration of gravity is determined, if angle is big
In predetermined angle threshold value, then judge the direction of display panel module in the range of predetermined angle.
In the technical scheme, in three axles of the space coordinates that the acceleration transducer in terminal is detected
The angle between acceleration direction and acceleration of gravity direction on one axle, it can be determined that go out the direction of display panel module direction.
Because towards the direction on the outside of display panel module be the direction of the acceleration of first axle, if detecting terminal in first axle
Angle between acceleration direction and the direction of acceleration of gravity is more than predetermined angle scope, then illustrate the direction of display panel module
Just away from the direction of acceleration of gravity, the direction of display panel module is got over away from the direction of acceleration of gravity, the court of display panel module
Deviate from ground upwardly to getting over, that is to say, that the angle where display screen between plane and horizontal plane is smaller, and display screen is put upwards
Put to obtain more level.Now judge the direction of display panel module in default angular range, it is believed that user can see display screen,
Now light backlight, it is possible to reduce the erroneous judgement of backlight is lighted when user can't see display screen, save the electric energy of terminal.
A technical scheme of the invention, it is preferable that when the opening time of backlight is more than the first predetermined threshold value,
Close backlight.
In the technical scheme, after backlight is opened, if user does not have follow-up operation, in the opening time more than the
During one predetermined threshold value, backlight is closed.Within the opening time, user can be understood the state of terminal, if one heads straight for
Backlight is opened, electric energy is wasted, shortens the use time of terminal, the experience effect that user uses is bad, if timing is closed,
On the basis of ensureing that user learns the SOT state of termination, electric energy is saved as much as possible.
A technical scheme of the invention, it is preferable if the time that terminal is kept in motion is pre- beyond second
If threshold value, then backlight is closed.
In the technical scheme, when terminal setting in motion is detected, timing is started while lighting backlight, if inspection
Terminal run duration is measured more than the second predetermined threshold value, then it is assumed that terminal is in travel position or user in the process of walking,
The situation that user needs not look at the SOT state of termination is in, even if now detect terminal being kept in motion, is also no longer opened
Backlight is opened, until the backlight unlatching after terminal quiescent, then with default condition to terminal is controlled.So, protect
When card terminal is in the state such as transport or user's walking, backlight is automatically switched off, reduces the waste of electric energy, improve the use of terminal
Time, improve the experience of user.
A technical scheme of the invention, it is preferable that whether terminal is also judged in off-mode, if end
In off-mode, then backlight is closed.
In the technical scheme, in order to prevent terminal under the states such as transportation, constantly vibration causes backlight
It is always on and waste electricity, therefore, whether present terminal is judged in open state, if off-mode just no longer judges
Whether need to light backlight, if open state, then the backlight of terminal is opened with default condition be controlled.This
Sample, it is ensured that when terminal is in the state such as transport or user's walking, backlight is automatically switched off, so as to reduce the wave of electric energy
Take, improve the use time of terminal, improve the experience of user.
A kind of technical scheme according to a second aspect of the present invention, it is also proposed that control device of backlight, including：Motion is sentenced
Disconnected unit, for judging whether terminal is kept in motion；Walking direction unit, for when terminal is kept in motion, sentencing
The direction of the display panel module of disconnected terminal；Control unit, for judging the direction of display panel module whether in predetermined angle scope
It is interior, if it is, the backlight of terminal is opened in control, otherwise, do not control to open the backlight of terminal.
The control device of the backlight of technical scheme according to a second aspect of the present invention, by motion determination unit judges terminal
Whether it is kept in motion, if be kept in motion, the display panel module institute by walking direction unit judges terminal is right
Direction, if control unit judge display panel module to direction in default angular range, control open terminal
Backlight, if not in default angular range, do not control open terminal backlight.If display panel module is in
Default angular range, then it is assumed that now terminal be in user it can be seen that scope, now open backlight could make user
See the information on display screen, open backlight just meaningful.If the direction to display panel module does not judge, only
Want terminal to be kept in motion and open backlight, cannot see in many times user, that is, it is insignificant, cause
The waste of electric energy.Therefore, when motion determination unit judges terminal is kept in motion, further sentenced by walking direction unit
The direction of disconnected display panel module, so as to control the switch of backlight by control unit, can reduce erroneous judgement, backlight is existed
User need see and it can be seen that when open, reduce electric energy waste.
A technical scheme of the invention, it is preferable that motion determination unit specifically for：By the acceleration of terminal
Whether sensor detects acceleration change amount of the terminal on any axle in three axles perpendicular to one another, determine terminal in fortune
Dynamic state, wherein the display panel module of first axle in three axles perpendicular to the terminal, and towards the display screen
Direction on the outside of module is the positive direction of the acceleration of the first axle.
In the technical scheme, by the acceleration transducer in terminal, detection terminal three sides in space coordinates
To axle on acceleration, and then motion determination unit may determine that terminal acceleration in each direction a period of time
Interior variable quantity, during terminal is from inactive state to motion state, speed and acceleration can change, so as to move sentence
Disconnected unit judges whether terminal is kept in motion according to the variable quantity of acceleration.User when terminal is picked up, in order to avoid
Only triggering terminal can just light backlight, therefore automatically turn on backlight when judging that terminal is moved, and can improve use
The experience at family.Additionally, direction of perpendicular to one another three solid axes relative to display panel module where to terminal
And the positive direction of wherein first axle is set, the direction of the acceleration that can be detected according to acceleration transducer judges end
The direction of end motion, and can interpolate that out the direction of display panel module.
A technical scheme of the invention, it is preferable that control unit is specifically additionally operable to：Determine the acceleration in first axle
Angle between degree direction and the direction of acceleration of gravity, if angle is more than predetermined angle threshold value, judges display panel module
Direction in the range of predetermined angle.
In the technical scheme, adding in first axle in three axles of the space coordinates set according to motion determination unit
Angle between velocity attitude and acceleration of gravity direction, what walking direction unit can be detected according to acceleration transducer adds
Velocity attitude judges the direction of display panel module direction.Because being the acceleration of first axle towards the direction on the outside of display panel module
The direction of degree, if the angle detected between acceleration direction and the direction of acceleration of gravity of the terminal in first axle is more than
Predetermined angle scope, then illustrate the direction of display panel module just away from the direction of acceleration of gravity, and the direction of display panel module is got over
Away from the direction of acceleration of gravity, the direction of display panel module more deviates from ground upwardly, that is to say, that plane where display screen
Angle between horizontal plane is smaller, and display screen puts to obtain more level upwards.Therefore control unit judges the side of display panel module
To in default angular range, it is believed that user can see display screen, now light backlight, it is possible to reduce be seen not in user
The erroneous judgement of backlight is lighted during to backlight, the electric energy of terminal is saved.
A technical scheme of the invention, it is preferable that also including overtime stop element, for when the unlatching of backlight
When time is more than the first predetermined threshold value, backlight is closed in control.
In the technical scheme, after backlight is opened, if user does not have follow-up operation, in the opening time more than the
During one predetermined threshold value, backlight is closed in overtime stop element control.Within the opening time, user can be carried out to the state of terminal
Understand, if always on backlight, waste electric energy, shorten the use time of terminal, the experience effect that user uses is bad, such as
Fruit controls backlight timing to close by overtime stop element, then on the basis of ensureing that user learns the SOT state of termination, as far as possible
Electric energy is saved on ground.
A technical scheme of the invention, it is preferable that also include：Motion stop element, for being in fortune when terminal
When the time of dynamic state exceeds the second predetermined threshold value, backlight is closed in control.
In the technical scheme, when terminal setting in motion is detected, timing is started while lighting backlight, if inspection
Terminal run duration is measured more than the second predetermined threshold value, then it is assumed that terminal is in travel position or user in the process of walking,
The situation that user needs not look at the SOT state of termination is in, even if now detect terminal being kept in motion, motion stops
Unit also controls not to be then turned on backlight, until the backlight unlatching after terminal quiescent, then with default condition to terminal
It is controlled.So, it is ensured that when terminal is in the state such as transport or user's walking, backlight is closed in motion stop element control,
The waste of electric energy is reduced, the use time of terminal is improved, improves the experience of user.
A technical scheme of the invention, it is preferable that also include：Shutdown stop element, for whether judging terminal
In off-mode, if terminal is in off-mode, backlight is closed in control.
In the technical scheme, in order to prevent terminal under the states such as transportation, constantly vibration causes backlight
It is always on and waste electricity, therefore, whether present terminal is judged in open state, if off-mode, shutdown stops
Unit just controls no longer to judge whether to need to light backlight, if open state, then with default condition to the back of the body of terminal
Light source is opened and is controlled.So, when terminal is in the state such as transport or user's walking, shutdown stop element just controls automatic pass
Backlight is closed, the waste of electric energy can be reduced, improve the use time of terminal, improve the experience of user.
A kind of technical scheme according to a third aspect of the present invention, it is also proposed that terminal with backlight, including：Such as second
The control device of the backlight of any one of aspect technical scheme；Backlight.
The terminal with backlight of technical scheme, the backlight in second aspect technical scheme according to a third aspect of the present invention
The control device in source controls the open and close of backlight.Therefore the terminal has the back of the body in the technical scheme of above-mentioned second aspect
Whole beneficial effects of the control device of light source, will not be repeated here.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to technical scheme is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 shows a schematic flow diagram of the control method of backlight according to first embodiment of the invention；
Fig. 2 shows another exemplary flow of the control method of backlight according to first embodiment of the invention
Figure；
Fig. 3 shows the schematic block diagram of the control device of the backlight of second embodiment of the invention；
Fig. 4 shows the schematic block diagram of the terminal with backlight of the 3rd embodiment of the invention；
Fig. 5 shows the schematic diagram of the remote control with backlight of the 4th embodiment of the invention；
Fig. 6 shows the acceleration transducer detection display panel module of the remote control of the 4th embodiment of the invention
Direction a schematic diagram；
Fig. 7 shows the acceleration transducer detection display panel module of the remote control of the 4th embodiment of the invention
Direction another schematic diagram.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Embodiment one：
Fig. 1 shows a schematic flow diagram of the control method of backlight according to first embodiment of the invention.
As shown in figure 1, the control method of backlight according to first embodiment of the invention, including：Step S102, sentences
Whether disconnected terminal is kept in motion；Step S104, if terminal is kept in motion, judges the display panel module of terminal
Direction；Whether step S106, judges the direction of display panel module in the range of predetermined angle, if it is, terminal is opened in control
Backlight, otherwise, be not turned on the backlight of terminal.
In the above-described embodiments, judge whether terminal is kept in motion by step S102, if be kept in motion,
Then judge in step S104 terminal display panel module to direction, if display panel module to direction default
In angular range, then the backlight of terminal is opened in step S106 controls, if not in default angular range, step S106
Do not control the backlight of unlatching terminal.
If the direction of display panel module be in default angular range, then it is assumed that now terminal be in user it can be seen that
Scope, now opening backlight could make user see the information on display screen, open backlight just meaningful.If
The direction to display panel module does not judge, as long as terminal is kept in motion opens backlight, in many times user
Cannot see that the unlatching of backlight i.e. insignificant causes the waste of electric energy.Therefore, terminal is being judged in fortune
During dynamic state, determine whether the direction of display panel module, erroneous judgement can be reduced, make backlight see in user's needs and
It can be seen that when open, reduce electric energy waste.
Fig. 2 shows another exemplary flow of the control method of backlight according to first embodiment of the invention
Figure.
As shown in Figure 2, it is preferable that step S102, judge whether terminal is kept in motion, specifically include：Step S108,
Acceleration change amount of the terminal on any axle in three axles perpendicular to one another is detected by the acceleration transducer of terminal, really
Determine whether terminal is kept in motion, wherein the display panel module of first axle in three axles perpendicular to the terminal, and
And towards the positive direction of the acceleration that the direction on the outside of the display panel module is the first axle.
In embodiment, by the acceleration transducer in terminal, detection terminal three directions in space coordinates
Acceleration on axle, and then may determine that variable quantity of the terminal acceleration in each direction within a period of time, terminal
During from inactive state to motion state, speed and acceleration can change, so that step S108 can be according to acceleration
Degree judges whether terminal is kept in motion.User when terminal is picked up, in order to avoid only having the triggering terminal state could point
Bright backlight, therefore automatic opening backlight can improve the experience of user when judging that terminal is moved.Additionally, to terminal
Perpendicular to one another three solid axes at place relative to display panel module direction and wherein the positive direction of first axle is carried out
Setting, the direction of the acceleration that can be detected according to acceleration transducer judges the direction of terminal motion, and can sentence
Break and the direction of display panel module.
Preferably, step S106, judges that whether the direction of display panel module in the range of predetermined angle, specifically includes：Step
Rapid S110, determines the angle between the acceleration direction in first axle and the direction of acceleration of gravity, if angle is more than default
Angle threshold, then judge the direction of display panel module in the range of predetermined angle.
In this embodiment, first in three axles of the space coordinates that the acceleration transducer in terminal is detected
The angle between acceleration direction and acceleration of gravity direction on axle, step S110 may determine that display panel module direction
Direction.Because being the direction of the acceleration of first axle towards the direction on the outside of display panel module, if detecting terminal first
The angle between acceleration direction and the direction of acceleration of gravity on axle is more than predetermined angle scope, then illustrate display panel module
Direction just away from the direction of acceleration of gravity, the direction of display panel module got over away from the direction of acceleration of gravity, display screen mould
The direction of block more deviates from ground upwardly, that is to say, that the angle where display screen between plane and horizontal plane is smaller, display screen
More level is put to obtain upwards.Now judge the direction of display panel module in default angular range, it is believed that user can see
Display screen, now lights backlight, it is possible to reduce the erroneous judgement of backlight is lighted when user can't see backlight, saves terminal
Electric energy.Wherein, predetermined angle scope can specifically be set with practice situation of the invention, it is preferable that predetermined angle
Scope is set to 135 ° to 180 °, and the backlight of control terminal is turned on and off in the angular range, can in first axle
On acceleration direction and the direction of acceleration of gravity between angle more than 90 °, i.e. display screen away from ground direction basis
On, make the angle between acceleration direction and the direction of acceleration of gravity of the backlight in first axle between 135 ° to 180 °
Open, reduce the angular interval for opening backlight, improve the control accuracy to backlight.
Preferably, also including step S112, when the opening time of backlight is more than the first predetermined threshold value, backlight is closed
Source.
In this embodiment, after backlight is opened, if user does not have follow-up operation, in the opening time more than first
During predetermined threshold value, control to close backlight by step S112.Within the opening time, user can be carried out to the state of terminal
Solution, if always on backlight, wastes electric energy, shortens the use time of terminal, and the experience effect that user uses is bad, if
Timing is closed, then on the basis of ensureing that user learns the SOT state of termination, electric energy is saved as much as possible.
Preferably, also, if the time that terminal is kept in motion exceeds the second predetermined threshold value, closed including step S114
Close backlight.
In this embodiment, when terminal setting in motion is detected, timing is started while lighting backlight, if detection
To terminal run duration more than the second predetermined threshold value, then it is assumed that terminal is in travel position or user in the process of walking, also
It is the situation that the SOT state of termination is needed not look in user, even if now detect terminal being kept in motion, in step S114
In also control not to be then turned on backlight, until after terminal quiescent, then with default condition the backlight of terminal is opened into
Row control.So, it is ensured that when terminal is in the state such as transport or user's walking, be automatically switched off backlight, reduce the waste of electric energy,
The use time of terminal is improved, improves the experience of user.
Preferably, also including step S116, whether terminal is judged in off-mode, if terminal is in off-mode,
Then close backlight.
In this embodiment, in order to prevent remote control under the states such as transportation, constantly vibration causes backlight
It is always on and waste electricity, therefore, whether current remote control is judged in step S116 in open state, if shutdown
State just no longer judges whether to need to light backlight, if open state, then with default condition to the backlight of terminal
Unlatching is controlled.So, it is ensured that when terminal is in the state such as transport or user's walking, being automatically switched off backlight, from
And the waste of electric energy is reduced, and the use time of terminal is improved, improve the experience of user.
Embodiment two：
Fig. 3 shows the schematic block diagram of the control device of the backlight of second embodiment of the invention.
As shown in figure 3, the present embodiment proposes a kind of control device 300 of backlight, including：Motion determination unit 302,
For judging whether terminal is kept in motion；Walking direction unit 304, for when terminal is kept in motion, judging eventually
The direction of the display panel module at end；Control unit 306, for judging the direction of display panel module whether in predetermined angle scope
It is interior, if it is, the backlight of terminal is opened in control, otherwise, do not control to open the backlight of terminal.
The control device 300 of the backlight according to second embodiment of the invention, end is judged by motion determination unit 302
Whether end is kept in motion, if be kept in motion, the display panel module of terminal is judged by walking direction unit 304
To direction, if control unit 306 judge display panel module to direction in default angular range, control open
The backlight of terminal is opened, if not in default angular range, not controlling to open the backlight of terminal.Display panel module is such as
Fruit be in default angular range, then it is assumed that now terminal be in user it can be seen that scope, now open backlight ability
User is seen the information on display screen, open backlight just meaningful.If the direction to display panel module is not carried out
Judge, as long as terminal is kept in motion opens backlight, cannot see in many times user, that is, it is meaningless
, cause the waste of electric energy.Therefore, when motion determination unit 302 judges that terminal is kept in motion, by walking direction list
Unit 304 determines whether the direction of display panel module, so as to control the switch of backlight by control unit 306, can reduce
Erroneous judgement, make backlight user's needs see and it can be seen that when open, reduce electric energy waste.
Wherein it is preferred to, motion determination unit 302 specifically for：Detect that terminal exists by the acceleration transducer of terminal
The acceleration change amount on any axle in three axles perpendicular to one another, determines whether terminal is kept in motion, wherein described
First axle in three axles and is towards the direction on the outside of the display panel module perpendicular to the display panel module of the terminal
The positive direction of the acceleration of the first axle.
In this embodiment, by the acceleration transducer in terminal, terminal three directions in space coordinates are detected
Axle on acceleration, and then motion determination unit 302 may determine that terminal acceleration in each direction at one section
Interior variable quantity, during terminal is from inactive state to motion state, speed and acceleration can change, so as to move
Judging unit 302 judges whether terminal is kept in motion according to the variable quantity of acceleration.User when terminal is picked up, in order to
Avoiding only triggering terminal state can just light backlight, therefore automatically turn on backlight, energy when judging that terminal is moved
Enough improve the experience of user.Additionally, perpendicular to one another three solid axes of the motion determination unit 302 where to terminal
Set relative to the direction of display panel module and the positive direction of wherein first axle, so as to walking direction unit 304 according to plus
The direction of the acceleration that velocity sensor is detected judges the direction of terminal motion, and can interpolate that out display panel module
Direction.Preferably, control unit 306 specifically for：Determine acceleration direction in first axle and acceleration of gravity direction it
Between angle, if angle be more than predetermined angle threshold value, judge display panel module direction in the range of predetermined angle.
In this embodiment, in three axles of the space coordinates for being set according to motion determination unit 302 in first axle
Angle between acceleration direction and acceleration of gravity direction, walking direction unit 304 can be detected according to acceleration transducer
To direction-judgment go out the direction of display panel module direction.Because being first axle towards the direction on the outside of display panel module
Acceleration direction, if detecting the angle between acceleration direction and the direction of acceleration of gravity of the terminal in first axle
Degree is more than predetermined angle scope, then illustrate the direction of display panel module just away from the direction of acceleration of gravity, display panel module
Towards more away from the direction of acceleration of gravity, the direction of display panel module more deviates from ground upwardly, that is to say, that display screen institute
Angle between plane and horizontal plane is smaller, and display screen puts to obtain more level upwards.Therefore control unit 306 judges display screen
The direction of module is in default angular range, it is believed that user can see display screen, now light backlight, it is possible to reduce
User lights the erroneous judgement of backlight when can't see backlight, save the electric energy of terminal.Wherein, predetermined angle scope can basis
Practice situation of the invention is specifically set, it is preferable that predetermined angle scope is set to 135 ° to 180 °, in the angular range
The backlight of interior control terminal is turned on and off, the direction of acceleration direction that can be in first axle and acceleration of gravity it
Between angle more than 90 °, i.e. display screen on the basis of the direction of ground, make acceleration direction of the backlight in first axle with
Angle between the direction of acceleration of gravity is opened between 135 ° to 180 °, reduces the angular interval for opening backlight, is improved
To the control accuracy of backlight.
Preferably, also including overtime stop element 308, for the opening time when backlight more than the first predetermined threshold value
When, backlight is closed in control.
In this embodiment, after backlight is opened, if user does not have follow-up operation, in the opening time more than first
During predetermined threshold value, backlight is closed in the control of overtime stop element 308.Within the opening time, user can enter to the state of terminal
Row understands, if always on backlight, wastes electric energy, shortens the use time of terminal, and the experience effect that user uses is bad,
If controlling backlight timing to close by overtime stop element 308, on the basis of ensureing that user learns the SOT state of termination, to the greatest extent
Possibly save electric energy.
Preferably, also including motion stop element 310, the time for being kept in motion when terminal presets beyond second
During threshold value, backlight is closed in control.
In this embodiment, when terminal setting in motion is detected, timing is started while lighting backlight, if detection
To terminal run duration more than the second predetermined threshold value, then it is assumed that terminal is in travel position or user in the process of walking, also
It is the situation that the SOT state of termination is needed not look in user, even if now detect terminal being kept in motion, motion stops single
Unit 310 also controls not to be then turned on backlight, until the backlight unlatching after terminal quiescent, then with default condition to terminal
It is controlled.So, it is ensured that when terminal is in the state such as transport or user's walking, backlight is closed in the motion control of stop element 310
Source, reduces the waste of electric energy, improves the use time of terminal, improves the experience of user.
Preferably, also including shutdown stop element 312, for whether judging terminal in off-mode, if end
In off-mode, then backlight is closed in control.
In this embodiment, in order to prevent remote control under the states such as transportation, constantly vibration causes backlight
It is always on and waste electricity, therefore, whether current remote control is judged in open state, if off-mode, shutdown stops
Stop element 312 just controls no longer to judge whether to need to light backlight, if open state, then with default condition to terminal
Backlight open be controlled.So, when terminal is in the state such as transport or user's walking, shutdown stop element 312 is just controlled
System is automatically switched off backlight, can reduce the waste of electric energy, improves the use time of terminal, improves the experience of user.
Embodiment three：
Fig. 4 shows the schematic block diagram of the terminal with backlight of the 3rd embodiment of the invention.
As shown in figure 4, the terminal 400 with backlight of third embodiment of the invention, including such as second embodiment
Any one of backlight control device 300 and backlight 402.
According to the terminal 400 with backlight of third embodiment of the invention, backlight in second embodiment
Control device 300 controls the open and close of backlight 402.Therefore the terminal has above-mentioned one embodiment and second reality
Whole beneficial effects of the control device 300 of backlight in example are applied, be will not be repeated here.
Example IV：
Fig. 5 shows the schematic diagram of the remote control with backlight of the 4th embodiment of the invention.
As shown in figure 5, by taking remote control as an example, to above-described embodiment in the terminal with backlight control device and control
Method processed is illustrated.In this embodiment, the remote control 500 with backlight includes：Acceleration transducer 502, backlight
Module 504, backlight control module 506, main control module 508, display panel module 510.Acceleration transducer 502 and main control module
508 electrical connections；Main control module 508 is electrically connected with backlight control module 506, backlight control module 506 and backlight module
504 electrical connections.Control device 300 of the main control module 508 equivalent to the backlight in embodiment two or embodiment three.Main control module
Motion determination unit 302, walking direction unit 304 and control unit 306 can be included in 508, by acceleration transducer 502
The acceleration magnitude of each axle of remote control 500 is detected, motion determination unit 302 may determine that whether remote control 500 is in
Motion state, walking direction unit 304 may determine that the side of currently displaying panel module 510 by the acceleration magnitude of each axle
To, be upwards, to the left, it is to the right or downward, control module 306 can also judge that the direction of currently displaying panel module 510 is
It is no in default angular range, if it is judged that the direction of display panel module 510 is upward, being also considered as now user can be with
See display screen, now main control module 508 controls to open backlight module 504 again by backlight control module 506, so that
User can directly be seen that the running state information of remote control 500.
Fig. 6 shows the acceleration transducer detection display panel module of the remote control of the 4th embodiment of the invention
Direction a schematic diagram.
As shown in fig. 6, during the direction of the detection display panel module 510 of acceleration transducer 502, working as display panel module
510 when placing upward, and in three vectors in direction of three axles of acceleration transducer 502, X, Y-axis are close to 0, and the arrow of Z axis
Amount causes certain acceleration magnitude due to the acceleration of gravity of the earth；When display panel module 510 is placed down, equivalent to
Acceleration transducer 502 is also oppositely positioned.When the direction of motion of remote control 500 is when being moved in X-direction, X-axis
Acceleration magnitude will change, the acceleration magnitude of such X-direction variable quantity within a certain period of time exceed certain value when
Wait, it is possible to judge that remote control 500 there occurs motion in X-axis, so that by three acceleration magnitudes of direction of principal axis in certain hour
Interior variable quantity, judges whether remote control 500 produces motion.Also, the acceleration that can be detected according to acceleration transducer 502
Angle value, determines the direction of display panel module 510.
Fig. 7 shows the acceleration transducer detection display panel module of the remote control of the 4th embodiment of the invention
Direction another schematic diagram.
As shown in fig. 7, the vector of the acceleration of three axles that the acceleration transducer 502 of remote control 500 is detected, works as display
When panel module 510 is placed upward, in three vectors in direction of three axles of acceleration transducer 502, X, Y-axis are close to 0, and Z
The vector of axle causes certain acceleration magnitude due to the acceleration of gravity of the earth；When display panel module 510 is placed down,
It is also oppositely positioned equivalent to acceleration transducer 502.Shown in Fig. 7, the positive direction of the direction vector of X-axis and default X-axis
For reverse, such that it is able to judge the direction of display panel module 510 according to the acceleration magnitude of this three axle, and then determine whether using master
Control module 508 controls the switch of backlight module 504 by backlight control module 506.
Specifically, the acceleration magnitude of each axle of the remote control 500 for being detected by acceleration transducer 502, master control mould
Block 508 may determine that whether remote control 500 is kept in motion, the acceleration magnitude detected by acceleration transducer 502
Variable quantity, main control module 508 can determine whether remote control 500 is kept in motion.Detected by acceleration transducer 502
Three axles in angle between acceleration direction in first axle and the direction of acceleration of gravity, if the angle is more than default
Angle threshold, then main control module 508 judges the direction of display panel module 510 in the range of predetermined angle, that is, display screen mould
Being oriented for block 510 is upward, it is believed that now user can see the state of the remote control 500 shown on display panel module 510
Information, so that main control module 508 controls to open backlight module 504 by backlight control module 506.
Preferably, when main control module 508 detects the opening time of backlight module 504 more than the first predetermined threshold value,
Main control module 508 controls to close backlight module 504 by backlight control module 506.After backlight module 504 is opened, such as
Fruit user does not have follow-up operation, then when the opening time is more than the first predetermined threshold value, main control module 508 is by backlight control
Backlight module 504 is closed in the control of module 506.That is, within the opening time of backlight module 504, user can be to end
The state at end is understood, if always on backlight module 504, wastes electric energy, shortens the use time of remote control 500,
The experience effect that user uses is bad, if closed by the timing of backlight module 504, is ensureing that user learns remote control
On the basis of 500 current states, electric energy is saved as much as possible.
Preferably, when detecting remote control 500 by acceleration transducer 502 and being kept in motion, in main control module
508 by backlight control module 506 control open backlight module 504 while, main control module 508 start timing, if
The time that remote control 500 is kept in motion is more than the second predetermined threshold value, then it is assumed that remote control 500 is in travel position or user
In the walking process of hand-held remote controller 500, that is, the situation of the state of remote control 500 is needed not look in user, now
Even if detecting remote control 500 to be kept in motion, main control module 508 does not control to open backlight module 504 yet, until detection
To after the stop motion of remote control 500, then unlatching with default condition to the backlight module 504 of remote control 500 is controlled.
So, it is ensured that when remote control 500 is in the state such as transport or user's walking, backlight module 504 is closed in control, reduces electric energy
Waste, improve the use time of remote control 500, improve the experience of user.
Preferably, whether main control module 508 also judges remote control 500 in off-mode, if remote control 500 is in closed
Machine state, then main control module 508 is by the control closing backlight module 504 of backlight control module 506.In order to prevent remote control
500 under the states such as transportation, and constantly vibration causes the always on of backlight module 504 and wastes electricity, therefore, it is main
Control module 508 judges that whether current remote control 500, in open state, if off-mode, just no longer judges whether needs
Backlight module 504 is lighted, if open state, then the opening to the backlight module 504 of remote control 500 with default condition
Open and be controlled.So, when remote control 500 is in the state such as transport or user's walking, backlight module is opened in no longer control
504, the waste of electric energy can be reduced, the use time of remote control 500 is improved, improve the experience of user.
Embodiments of the invention are described in detail above in association with accompanying drawing, embodiment proposed by the present invention can be by judging
When terminal is kept in motion the direction of display screen whether in default angular range come determine whether open backlight, subtract
Few erroneous judgement that backlight is opened in the case where user can't see, saves electric energy, lifts the experience of user.
The preferred embodiments of the present invention are these are only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a kind of control method of backlight, it is characterised in that including：
Judge whether terminal is kept in motion；
If the terminal is kept in motion, the direction of the display panel module of the terminal is judged；
Whether the direction of the display panel module is judged in the range of predetermined angle, if it is, the terminal is opened in control
Backlight, otherwise, is not turned on the backlight of the terminal.
2. the control method of backlight according to claim 1, it is characterised in that described to judge terminal whether in motion
State, specifically includes：
The terminal adding on any axle in three axles perpendicular to one another, is detected by the acceleration transducer of the terminal
Velocity variable, determines whether the terminal is kept in motion, wherein the first axle in three axles is perpendicular to the end
The display panel module at end, and towards the positive direction of the acceleration that the direction on the outside of the display panel module is the first axle.
3. the control method of backlight according to claim 2, it is characterised in that the judgement display panel module
Whether direction specifically includes in the range of predetermined angle：
The angle between the acceleration direction in the first axle and the direction of acceleration of gravity is determined, if the angle is more than
Predetermined angle threshold value, then judge the direction of the display panel module in the range of predetermined angle.
4. the control method of backlight according to any one of claim 1 to 3, it is characterised in that also include：
When the opening time of the backlight is more than the first predetermined threshold value, the backlight is closed.
5. the control method of backlight according to any one of claim 1 to 3, it is characterised in that also include：
If the time that the terminal is kept in motion exceeds the second predetermined threshold value, the backlight is closed.
6. the control method of backlight according to any one of claim 1 to 3, it is characterised in that also include：
Judge that whether the terminal, in off-mode, if the terminal is in off-mode, closes the backlight.
7. a kind of control device of backlight, it is characterised in that including：
Motion determination unit, for judging whether terminal is kept in motion；
Walking direction unit, for when the terminal is kept in motion, judging the direction of the display panel module of the terminal；
Control unit, for judging the direction of the display panel module whether in the range of predetermined angle, if it is, control is opened
The backlight of the terminal is opened, otherwise, does not control to open the backlight of the terminal.
8. the control device of backlight according to claim 7, it is characterised in that the motion determination unit, it is specific to use
In：
The terminal adding on any axle in three axles perpendicular to one another, is detected by the acceleration transducer of the terminal
Velocity variable, determines whether the terminal is kept in motion, wherein the first axle in three axles is perpendicular to the end
The display panel module at end, and towards the positive direction of the acceleration that the direction on the outside of the display panel module is the first axle.
9. the control device of backlight according to claim 8, it is characterised in that described control unit, specifically for：
The angle between the acceleration direction in the first axle and the direction of acceleration of gravity is determined, if the angle is more than
Predetermined angle threshold value, then judge the direction of the display panel module in the range of predetermined angle.
10. the control device of the backlight according to any one of claim 7 to 9, it is characterised in that also include：
Overtime stop element, for when the opening time of the backlight is more than the first predetermined threshold value, the back of the body to be closed in control
Light source.
The control device of 11. backlight according to any one of claim 7 to 9, it is characterised in that also include：
Motion stop element, for when the time that the terminal is kept in motion the second predetermined threshold value is exceeded, control to be closed
The backlight.
The control device of 12. backlight according to any one of claim 7 to 9, it is characterised in that also include：
Shutdown stop element, for whether judging the terminal in off-mode, if the terminal is in off-mode,
The backlight is closed in control.
A kind of 13. terminals with backlight, it is characterised in that including：
The control device of the backlight as any one of claim 7 to 12；
Backlight.
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| CN201710233800.1A CN106816139A (en) | 2017-04-11 | 2017-04-11 | The control method of backlight, control device and the terminal with backlight |
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| CN201710233800.1A CN106816139A (en) | 2017-04-11 | 2017-04-11 | The control method of backlight, control device and the terminal with backlight |
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