CN104700815B - Brightness controlling device and brightness control method - Google Patents
Brightness controlling device and brightness control method Download PDFInfo
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- CN104700815B CN104700815B CN201310652043.3A CN201310652043A CN104700815B CN 104700815 B CN104700815 B CN 104700815B CN 201310652043 A CN201310652043 A CN 201310652043A CN 104700815 B CN104700815 B CN 104700815B
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Abstract
A kind of brightness controlling device and brightness control method.The present invention determines to control the brightness of display by chip or embedded controller by basic input-output unit according to the adjustment of environmental condition or user, to meet the adjustment demand of user or ensure electronic installation normal operation.
Description
【Technical field】
The invention relates to a kind of control device, and in particular to a kind of brightness controlling device and brilliance control side
Method.
【Background technology】
Computer can divide into the computer and general computer of military-industry rule, the computer of military-industry rule and general computer
Difference be that the computer of military-industry rule need to often be used in the presence of a harsh environment, such as made under the adverse circumstances of high temperature or low temperature
With, therefore the computer of military-industry rule is much larger than general computer for the demand of the adaptability of environment temperature, and general computer
The factor such as compact lain in, for the emphasis that the computer of military-industry rule is anti-rather than mainly considers.
When the computer of military-industry rule is operated under the severe environment such as high temperature or low temperature, it is sometimes desirable to by control display
Brightness the computer of military-industry rule can be normally operated.For example at high temperature, the luminance-reduction of display to avoid
There is the situation of blank screen in display.And in the state of low temperature start, then need the luminance-reduction display to avoid power consumption
Excessive (because low temperature start for a long time, and can will adjust the work(of other components to heat).In addition, in the case of heavy duty, also needing handle
The luminance-reduction of display is to reduce power consumption.
Before Windows Windows8 appearance, the brightness of display is the pulse exported by embedded controller
Width modulation signal carries out the control of brightness, therefore can reach the function of above-mentioned adjustment brightness, but in Windows8 frame
Under structure the brightness of display be by window operation unite display driver model (Windows Display Driver Model,
WDDM) controlled, that is to say, that driver control platform of the brightness of display through window operation system display driver model
The pulse width modulation signal of hub (Platform Controller Hub, PCH) output is controlled to carry out the control of brightness
System, thus can not according to traditional mode high temperature, low temperature or heavy duty in the case of adjustment display brightness and reaching makes calculating
The purpose that machine can be operated normally.
【The content of the invention】
The present invention provides a kind of brightness controlling device and brightness control method, can adjust display to special brightness,
To meet the adjustment demand of user or ensure electronic installation normal operation.
The brightness control method of the present invention, it is adaptable to the display of an electronic installation, the brightness control method includes following
Step.Detect the environmental condition of electronic installation.Judge whether the environmental condition of electronic installation meets preparatory condition.If environmental condition
Meet preparatory condition, electronic installation is entered special brightness adjustment pattern.Wherein, the brightness of display is in special brightness adjustment mould
It is controlled by embedded controller in formula.
In one embodiment of this invention, above-mentioned preparatory condition includes environment temperature higher than the first preset temperature or is less than
Second preset temperature, wherein the first preset temperature is more than the second preset temperature.Above-mentioned judgment step also includes：Judge environment temperature
Whether higher than the first preset temperature or less than the second preset temperature, if environment temperature is higher than the first preset temperature or pre- less than second
If temperature, then environmental condition meets preparatory condition.Also include into special brightness adjustment mode step：Embedded controller will be aobvious
Show the brightness adjustment of device to less than default low-light level.
In one embodiment of this invention, above-mentioned preparatory condition includes ambient light intensity and is higher than default luminous intensity.Its
In, above-mentioned judgment step also includes：Whether ambient light intensity is judged higher than default luminous intensity, if ambient light intensity is higher than pre-
If luminous intensity, then environmental condition meets preparatory condition.Also include into special brightness adjustment mode step：Embedded controller will
The brightness adjustment of display is to higher than default high brightness.
In one embodiment of this invention, if wherein environmental condition does not meet preparatory condition, execution the following steps.Detecting is
It is no to occur special brightness adjustment event.If the special brightness adjustment event of generation, electronic installation is set to enter special brightness adjustment pattern.
If special brightness adjustment event does not occur, electronic installation is set to enter general modfel, wherein the brightness of display is in pattern as this
It is controlled by a chip.
In one embodiment of this invention, the step of whether above-mentioned detecting occurs special brightness adjustment event includes：Detecting
Whether receive the brightness adjustment of display to higher than the first threshold brightness or less than the special brightness tune of the second threshold brightness
Whole order, wherein the first threshold brightness is more than the second threshold brightness.
In one embodiment of this invention, in the step of environmental condition of above-mentioned detecting electronic installation, in self inspection of starting shooting
The environmental condition of electronic installation is detected during survey.
The brightness control method of the present invention, it is adaptable to which the display of electronic installation, brightness control method includes：Detect electronics
The environmental condition of device.Judge whether the environmental condition of electronic installation meets preparatory condition.If environmental condition does not meet default bar
Part, performs the following steps：Whether detecting occurs special brightness adjustment event.If the special brightness adjustment event of generation, fills electronics
Put into special brightness adjustment pattern, the wherein brightness of display is controlled by embedded Control in special brightness adjustment pattern
Device.
In one embodiment of this invention, above-mentioned brightness control method, in addition to：If special brightness adjustment thing does not occur
Part, makes electronic installation enter general modfel, and the wherein brightness of display is controlled by a chip in general modfel.
In one embodiment of this invention, above-mentioned preparatory condition includes environment temperature higher than the first preset temperature or is less than
Second preset temperature, wherein the first preset temperature is more than the second preset temperature.Above-mentioned judgment step also includes：Judge environment temperature
Whether higher than the first preset temperature or less than the second preset temperature, if environment temperature is higher than the first preset temperature or pre- less than second
If temperature, then environmental condition meets preparatory condition.
In one embodiment of this invention, above-mentioned preparatory condition includes ambient light intensity and is higher than default luminous intensity.Its
In, judgment step also includes：When whether judging ambient light intensity higher than default luminous intensity, if ambient light intensity is higher than default
Luminous intensity, then environmental condition meet preparatory condition.
In one embodiment of this invention, the step of whether above-mentioned detecting occurs special brightness adjustment event includes：Detect
Whether survey is received the brightness adjustment of display to higher than the first threshold brightness or the special brightness less than the second threshold brightness
Adjustment order, wherein the first threshold brightness is more than the second threshold brightness.
In one embodiment of this invention, above be set forth in detecting electronic installation environmental condition the step of in, in start shooting self
The environmental condition of electronic installation is detected during detection.
The brightness controlling device of the present invention, it is adaptable to control the brightness of the display of electronic installation, brightness controlling device bag
Include environmental condition detecting unit, embedded controller, switch unit and basic input-output unit.Wherein environmental condition is detected
Unit, detects the environmental condition of electronic installation.Embedded controller couples environmental condition detecting unit, judges the ring of electronic installation
Whether border condition meets preparatory condition.Switch unit couples embedded controller and display.Basic input-output unit coupling
Embedded controller and switch unit, if environmental condition meets preparatory condition, display is electrically connected with by control switch unit
To embedded controller, so that electronic installation enters special brightness adjustment pattern, the wherein brightness of display is adjusted in special brightness
It is controlled by embedded controller in integral pattern.
In one embodiment of this invention, above-mentioned environmental condition include environment temperature and ambient light intensity at least it
One.
In one embodiment of this invention, above-mentioned preparatory condition includes environment temperature higher than the first preset temperature or is less than
Second preset temperature, wherein the first preset temperature is more than the second preset temperature；Wherein, embedded controller also judges environment temperature
Whether higher than the first preset temperature or less than the second preset temperature, if environment temperature is higher than the first preset temperature or pre- less than second
If temperature, then environmental condition meets preparatory condition；Wherein, when environmental condition meets preparatory condition, embedded controller is also accused
Know that basic input-output unit makes electronic installation enter special brightness adjustment pattern, embedded controller simultaneously enters in electronic installation
By the brightness adjustment of display to less than default low-light level after the special brightness adjustment pattern.
In one embodiment of this invention, above-mentioned preparatory condition includes ambient light intensity and is higher than default luminous intensity.It is embedding
When entering formula controller and whether also judging ambient light intensity higher than default luminous intensity, if ambient light intensity is higher than default light intensity
Degree, then environmental condition meets preparatory condition.When environmental condition meets preparatory condition, embedded controller also informs basic input
Output unit makes electronic installation enter special brightness adjustment pattern, and embedded controller is simultaneously adjusted in electronic installation into special brightness
By the brightness adjustment of display to higher than default high brightness after integral pattern.
In one embodiment of this invention, above-mentioned brightness controlling device, in addition to chip and adjustment detecting unit.Its
Chips couple switch unit.Adjust detecting unit and couple basic input-output unit, whether detecting occurs special brightness adjustment
Event, in the case of environmental condition does not meet preparatory condition, if occurring special brightness adjustment event, basic input-output unit
Display is electrically connected to embedded controller by control switch unit, so that electronic installation enters special brightness adjustment pattern.
If special brightness adjustment event does not occur, display is electrically connected to chip by basic input-output unit control switch unit,
So that electronic installation enters general modfel, the brightness of wherein display is controlled by chip in general modfel.
In one embodiment of this invention, whether above-mentioned adjustment detecting unit is also detected receives the brightness of display
Adjust to higher than the first threshold brightness or less than the special brightness adjustment order of the second threshold brightness, to judge special brightness adjustment
Whether event occurs, wherein the first threshold brightness is more than the second threshold brightness.
In one embodiment of this invention, above-mentioned environmental condition detecting unit also detects ring during self detection of starting shooting
Border condition, embedded controller also judges whether environmental condition meets preparatory condition during self detection of starting shooting, if environment bar
Part meets preparatory condition, and embedded controller informs that basic input-output unit makes electronic installation enter special brightness adjustment mould
Formula.
Compared to prior art, adjustment of the present invention by basic input-output unit according to environmental condition or user is determined
The brightness of display is controlled by chip or embedded controller calmly, to meet the adjustment demand of user or ensure electronic installation
Normal operation.
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
【Brief description of the drawings】
Fig. 1 is schematically shown as the schematic diagram of the brightness controlling device of one embodiment of the invention.
Fig. 2 is schematically shown as the schematic diagram of the brightness control method of one embodiment of the invention.
Fig. 3 is schematically shown as the schematic diagram of the brightness control method of another embodiment of the present invention.
【Embodiment】
Fig. 1 is schematically shown as the schematic diagram of the brightness controlling device of one embodiment of the invention.It refer to Fig. 1, brightness controlling device
100 include environmental condition detecting unit 102, embedded controller 104, switch unit 106, basic input-output unit 108, core
Piece 110 and adjustment detecting unit 112.Wherein display 114 of the brightness controlling device 100 to control electronic installation is bright
Degree, electronic installation may be, for example, mobile computer or desktop PC ... etc., and chip 110 may be, for example, south bridge core
Piece.Adjustment detecting unit 112 couples basic input-output unit 108, and basic input-output unit 108 couples switch unit 106
And embedded controller 104, the coupling of switch unit 106 embedded controller 104, chip 110 and display 114 are embedded
The coupling environmental condition of formula controller 104 detecting unit 102.
Environmental condition of the environmental condition detecting unit 102 to detect electronic installation, embedded controller 104 can determine whether electricity
Whether the environmental condition of sub-device meets preparatory condition, and wherein environmental condition may include environment temperature and ambient light intensity extremely
Few one.Basic input-output unit 108 is then controlled display 114 according to the judged result of embedded controller 104
Embedded controller 104 or chip 110 are electrically connected to through switch unit 106, wherein when display 114 is through switch unit 106
When being electrically connected to chip 110, electronic installation is in general modfel, and the brightness controlled of display 114 is in chip 110.And when aobvious
Show that device 114 is electrically connected to embedded controller 104 through switch unit 106, that is, display 114 brightness by embedded Control
Device 104 control when, electronic installation be in special brightness adjustment pattern, due to embedded controller 104 be not necessary to such as chip 110 by
The limitation of system framework is operated to Windows8, therefore the adjustment amplitude of the now brightness of display 114 will be greater than at electronic installation
Adjustment amplitude when general modfel.
Specifically, whether above-mentioned preparatory condition can be for example including environment temperature higher than the first preset temperature or less than second
Preset temperature, wherein the first preset temperature is higher than the second preset temperature.Embedded controller 104 can be detected single by environmental condition
Whether the environmental condition of the output of member 102 is to judge environment temperature higher than the first preset temperature or less than the second preset temperature, if ring
Border temperature is higher than the first preset temperature or less than the second preset temperature, that is, environment temperature is too high or too low, in normal temperature
When outside scope, embedded controller 104 judges that environmental condition meets preparatory condition.Now, embedded controller 104 may be notified that base
This input-output unit 108 makes electronic installation enter special brightness adjustment pattern so that the brightness of display 114 is by embedded control
Device 104 processed is controlled, afterwards, and the brightness adjustment of display 114 just can extremely be less than default low-light level by embedded controller 104, with
Reach the purpose that over-temperature protection or low temperature are used.
It is worth noting that, to ensure that electronic installation also can be operated normally under extreme ambient temperature conditions, environment
Condition detecting unit 102 also can detect environmental condition during self detection of starting shooting, if environment temperature is higher than the first preset temperature
Or less than the second preset temperature, embedded controller 104 will determine that environmental condition meets preparatory condition, and inform input substantially it is defeated
Going out unit 108 makes electronic installation be directly entered special brightness adjustment pattern, and is not necessary to after the completion of start just through above-mentioned
Over-temperature protection mechanism enters special brightness adjustment pattern.
In addition, whether embedded controller 104 also can determine whether ambient light intensity higher than default luminous intensity, if ambient light
Intensity is higher than default luminous intensity, and when make it that user can not understand the content shown by identification display, embedded controller
104 judge that environmental condition meets preparatory condition.Now, embedded controller 104 also may be notified that basic input-output unit 108 makes
Electronic installation enters special brightness adjustment pattern, and after electronic installation enters special brightness adjustment pattern, embedded controller
104 just can be by the brightness adjustment of display 114 to higher than default high brightness, to overcome ambient light intensity effect user to watch
The problem of display display content.
Brightness controlling device 100 by electronic installation according to environmental condition except that automatically can be adjusted to special brightness adjustment mould
Outside formula, special brightness adjustment pattern can be also entered according to the operation of user.As shown in figure 1, in brightness controlling device 100
Adjust detecting unit 112 for example can communicate (Machine-type-communication, MTC) service unit including machine kenel
116 and advanced framework power interface（Advanced Configuration and Power Interface,ACPI）Driving
Device 118, wherein machine kenel Communications service unit 116 can determine whether to receive brightness adjustment order, if receiving brightness tune
Whole order, then control advanced framework power interface driver 118 to drive basic input-output unit 108.It is not inconsistent in environmental condition
In the case of closing preparatory condition, adjustment detecting unit 112 can detect whether occur special brightness adjustment event, if occurring special bright
Spend adjustment event, basic input-output unit 108 also can control switch unit 106 display 114 is electrically connected to it is embedded
Controller 104, so that electronic installation enters special brightness adjustment pattern.Special brightness adjustment event will for example can show in user
It is triggered when showing the brightness adjustment of device 114 to higher than the first threshold brightness or less than the second threshold brightness, wherein the first threshold is bright
Degree is more than the second threshold brightness.First threshold brightness and the brightness core that the second threshold brightness can be, for example, display 114 respectively
High-high brightness and minimum brightness that piece 110 can be showed when controlling, that is, display 114 is in regular Windows8 operation system framves
The limit of brightness value that lower of the limitation of structure can be showed.And as user by the brightness adjustment of display 114 to less than the first threshold
Brightness or higher than the second threshold brightness, also returns the brightness adjustment of display 114 in the brightness range that chip 110 can be controlled
When, basic input-output unit 108 will control switch unit 106 that display 114 is electrically connected into chip 110 again, so that electric
Sub-device returns to general modfel.
Wherein, the brightness adjustment of display 114 is extremely higher than the first threshold brightness or bright less than the second threshold by the present embodiment
The mode of degree is gradual adjustment, and user can be by the entity or virtual brightness adjustment button of electronic installation by display
The brightness of display 114 is gradually adjusted to the institute of chip 110 by 114 brightness out of chip 110 can be controlled brightness range
Outside the brightness range that can be controlled, and electronic installation is set to enter special brightness adjustment pattern.That is, adjustment detecting unit 112 can be detectd
Whether survey receives special brightness adjustment order, and this special brightness adjustment order is indicated the brightness adjustment of display 114 directly
To higher than the first threshold brightness or less than the second threshold brightness.If adjustment detecting unit 112 receives special brightness adjustment order,
Judge occur special brightness adjustment event, and inform the basic control switch unit 106 of input-output unit 108 by display
114 are electrically connected to embedded controller 104, electronic installation is entered special brightness adjustment pattern, and by display 114
Brightness adjustment to higher than the first threshold brightness or less than the second threshold brightness.
It is worth noting that, above-mentioned default high brightness and default low-light level may be, for example, display 114 in Windows8
The limit of brightness value that can show of lower of limitation of operation system framework, that is, the first threshold brightness or the second threshold brightness, so not with
This is limited, and it also can be respectively higher than the brightness value of the first threshold brightness and less than second to preset high brightness and default low-light level
The brightness value of threshold brightness.
And in some embodiments, also can be directly entered electronic installation by the entity or virtual hot key of electronic installation
Special brightness adjustment pattern.When user has touched entity or virtual hot key, now embedded controller 104 can be through basic
Display 114 is electrically connected to embedded controller 104 by the control switch unit 106 of input-output unit 108, special to enter
Brightness adjustment pattern so that embedded controller 104 is able to the brightness of directly control display 114.
Brilliance control framework proposed by the present invention can support the display framework of different operation systems simultaneously.In section Example
In, when electronic installation is united using windows8 for operation, the brilliance control of the crossover display terminal 114 of switch unit 106 can be borrowed to weigh
To chip 110 or embedded controller 104；When electronic installation is united using windows7 for operation, then embedded control can be used
Device 104 processed controls the brightness of display 114.
Fig. 2 is schematically shown as the schematic diagram of the brightness control method of one embodiment of the invention.Fig. 2 is refer to, above-mentioned brightness is concluded
The brightness control method of control device may include the following steps.First, the environmental condition (step S202) of the electronic installation is detected,
Wherein environmental condition may include the one of environment temperature and ambient light intensity at least.Next, it is determined that the environment of electronic installation
Whether condition meets preparatory condition (step S204), wherein preparatory condition may be, for example, environment temperature higher than the first preset temperature or
Less than the second preset temperature, when environment temperature is higher than the first preset temperature or less than the second preset temperature, that is, environment bar is judged
Part meets preparatory condition.Or be that preparatory condition may be, for example, that ambient light intensity is higher than default luminous intensity, work as ambient light
When intensity is higher than default luminous intensity, that is, judge that environmental condition meets preparatory condition.
If the environmental condition of electronic installation meets preparatory condition, electronic installation is set to enter special brightness adjustment pattern (step
Rapid S206), the wherein brightness of the display of electronic installation is controlled by embedded controller in special brightness adjustment pattern, therefore
The brightness performance of display 114 will not limited by Windows8 operation system frameworks.In addition, in special brightness adjustment pattern
In, in environment temperature higher than the first preset temperature or in the case of less than the second preset temperature, embedded controller is by display
Brightness adjustment to less than default low-light level, to reach the purpose of over-temperature protection, and be higher than default light in ambient light intensity
In the case of intensity, the brightness adjustment of display is extremely higher than default high brightness by embedded controller, to overcome ambient light strong
The problem of degree influence user's viewing display display content.
It is worth noting that, the step of environmental condition of the above-mentioned detecting electronic installation (step S202) also can be in start certainly
I performs during detecting, so that electronic installation can be directly entered special brightness adjustment pattern, and is not necessary to after the completion of start
Enter special brightness adjustment pattern through above-mentioned over-temperature protection mechanism, so just can be further assured that electronic installation extreme
At a temperature of normal operation.
If on the contrary, the environmental condition of electronic installation does not meet preparatory condition, detecting and whether occurring special brightness adjustment
Whether event (step S208), for example, can detect and receive the brightness adjustment of display to higher than the first threshold brightness or being less than
The special brightness adjustment order of second threshold brightness.If the special brightness adjustment event of generation, into step S206, fills electronics
Put into special brightness adjustment pattern.And if special brightness adjustment event does not occur, the electronic installation is entered general modfel
(step S210), wherein display brightness are controlled by a chip in general modfel, that is, the brightness of display will be by
The limitation of Windows8 operation system frameworks.
Fig. 3 is schematically shown as the schematic diagram of the brightness control method of another embodiment of the present invention.Fig. 3 is refer to, in the present embodiment
Middle brightness control method comprises the following steps.First, boot program (step S302) is performed.Then, start selftest is performed
（Power On Self Test, POST）(step S304).Then check whether electronic installation enters special brightness adjustment pattern
(step S306), for example, check whether the environmental condition of electronic installation meets preparatory condition.To enter special brightness adjustment mould
Formula, for example, make electronic installation enter special brightness adjustment pattern when the environmental condition of electronic installation meets preparatory condition, then control
Switch unit switching processed is connected to embedded controller (step S308).If on the contrary, do not enter special brightness adjustment pattern,
Into general modfel (step S314), control switch unit switching is connected to chip (step S316), and display can now shown
Show default brightness, the brightness of display will be limited by Windows8 operation system frameworks in general modfel.
In the case of switch unit switching is connected to embedded controller, embedded controller just can be then according to environment
Condition adjusts the brightness (step S310) of display.Afterwards, check whether and maintain special brightness adjustment pattern (step S312),
If being continuously maintained at special brightness adjustment pattern, the environmental condition of such as electronic installation still conforms to preparatory condition and is then continuously maintained at
Special brightness adjustment pattern, returns to step S310 and continues according to the brightness that environmental condition adjusts display.And if not continuing to
In special brightness adjustment pattern, the environmental condition of such as electronic installation has not met preparatory condition, then performs step S314, enters
Step S316 is performed after general modfel, to control switch unit switching to be connected to chip, makes the brightness of display will be by
The limitation of Windows8 operation system frameworks.After general modfel is entered, embedded controller can continue to detect the ring of electronic installation
Whether border condition meets preparatory condition (step S318), if the environmental condition of electronic installation does not meet preparatory condition, detecting is
It is no to there is special brightness adjustment event to occur (step S320).If without special brightness adjustment event occur, return to step S318 after
Whether the environmental condition of continuous detecting electronic installation meets preparatory condition.And if have special brightness adjustment event, also or
Judge that the environmental condition of electronic installation meets preparatory condition in step S318, then into special brightness adjustment pattern (step
S322), and then the switching of control switch unit is connected to embedded controller (step S324), so that embedded controller can be according to
The brightness of display is adjusted (step S326) according to environmental condition.In addition, being adjusted in embedded controller according to environmental condition
After the brightness of whole display, whether the environmental condition that can return to step S318 continuation detecting electronic installations meets preparatory condition.
In summary, adjustment of the present invention by basic input-output unit according to environmental condition or user is determined by core
Piece or embedded controller control the brightness of display, to meet the adjustment demand of user or ensure that electronic installation is normally transported
Make.Further, since the brightness of display can be controlled by chip, thus can also make display brightness meet Microsoft Windows8
The test of hardware identification (Windows Hardware Certification Kit, WHCK).In addition, the present invention is except that can increase
Outside the free degree that electronic installation is controlled display brightness, it can also make a brightness controlling device can be while supporting a variety of operations
System.
Claims (12)
1. a kind of brightness control method, it is adaptable to the display of an electronic installation, it is characterised in that the brightness control method bag
Include：
Detect an environmental condition of the electronic installation；
Judge whether the environmental condition of the electronic installation meets a preparatory condition；
If the environmental condition meets the preparatory condition, the electronic installation is set to enter a special brightness adjustment pattern；
Wherein, the brightness of the display is controlled by an embedded controller in the special brightness adjustment pattern, the embedded control
The brightness adjustment of the display is less than a default low-light level or higher than a default high brightness by device processed；
If the environmental condition does not meet the preparatory condition, the following steps are performed：
Whether detecting occurs a special brightness adjustment event；
If occurring the special brightness adjustment event, the electronic installation is set to enter the special brightness adjustment pattern；
If the special brightness adjustment event does not occur, the electronic installation is entered general modfel, wherein the brightness of the display in
It is controlled by a chip in the general modfel, the chip is by the brilliance control of the display in the default low-light level and the default height
Between brightness.
2. brightness control method according to claim 1, it is characterised in that the environmental condition include an environment temperature and
The one of one ambient light intensity at least.
3. brightness control method according to claim 2, it is characterised in that the preparatory condition is higher than including the environment temperature
One first preset temperature or less than one second preset temperature, wherein first preset temperature is more than second preset temperature；
Wherein, the judgment step also includes：Judge whether the environment temperature is higher than first preset temperature or second pre- less than this
If temperature, if the environment temperature is higher than first preset temperature or less than second preset temperature, the environmental condition meets this
Preparatory condition；
Wherein, this enters the special brightness adjustment mode step and also included：The embedded controller adjusts the brightness of the display
It is whole that low-light level is extremely preset less than one.
4. brightness control method according to claim 2, it is characterised in that the preparatory condition includes the ambient light intensity
Higher than a default luminous intensity；
Wherein, the judgment step also includes：Whether the ambient light intensity is judged higher than the default luminous intensity, if the ambient light
Intensity meets the preparatory condition higher than the default luminous intensity, the then environmental condition；
Wherein, this enters the special brightness adjustment mode step and also included：The embedded controller adjusts the brightness of the display
It is whole that high brightness is extremely preset higher than one.
5. brightness control method according to claim 1, it is characterised in that whether detecting occurs a special brightness adjustment thing
The step of part, includes：
Whether detecting is received the brightness adjustment of the display to higher than one first threshold brightness or bright less than one second threshold
One special brightness adjustment order of degree, wherein the first threshold brightness are more than the second threshold brightness.
6. brightness control method according to claim 1, it is characterised in that in the environmental condition for detecting the electronic installation
The step of in, detect the environmental condition of the electronic installation during a start self detection.
7. a kind of brightness controlling device, it is adaptable to control the brightness of the display of an electronic installation, it is characterised in that the brightness control
Device processed includes：
One environmental condition detecting unit, detects an environmental condition of the electronic installation；
One embedded controller, couples the environmental condition detecting unit, judges whether the environmental condition of the electronic installation meets
One preparatory condition；
One switch unit, couples the embedded controller and the display；
One basic input-output unit, couples the embedded controller and the switch unit, if to meet this pre- for the environmental condition
If condition, control the switch unit that the display is electrically connected into the embedded controller, so that the electronic installation enters one
Special brightness adjustment pattern, the wherein brightness of the display are controlled by the embedded Control in the special brightness adjustment pattern
Device；
One chip, couples the switch unit；
One adjustment detecting unit, couples the basic input-output unit, whether detecting occurs a special brightness adjustment event, at this
In the case of environmental condition does not meet the preparatory condition,
If occurring the special brightness adjustment event, the basic input-output unit controls the switch unit electrically to connect the display
The embedded controller is connected to, so that the electronic installation enters the special brightness adjustment pattern, the embedded controller shows this
The brightness adjustment for showing device is less than a default low-light level or higher than a default high brightness；
If the special brightness adjustment event does not occur, the basic input-output unit controls the switch unit that the display is electrical
The chip is connected to, so that the electronic installation enters general modfel, the wherein brightness of the display is controlled in the general modfel
In the chip, the chip is by the brilliance control of the display between the default low-light level and the default high brightness.
8. brightness controlling device according to claim 7, it is characterised in that the environmental condition include an environment temperature and
The one of one ambient light intensity at least.
9. brightness controlling device according to claim 8, it is characterised in that the preparatory condition is higher than including the environment temperature
One first preset temperature or less than one second preset temperature, wherein first preset temperature is more than second preset temperature；
Wherein, the embedded controller also judge the environment temperature whether higher than first preset temperature or less than this second preset
Temperature, if the environment temperature is higher than first preset temperature or less than second preset temperature, it is pre- that the environmental condition meets this
If condition；
Wherein, when the environmental condition meets the preparatory condition, the embedded controller also informs the basic input-output unit
The electronic installation is set to enter the special brightness adjustment pattern, the embedded controller simultaneously enters the special brightness in the electronic installation
By the brightness adjustment of the display to less than a default low-light level after adjustment modes.
10. brightness controlling device according to claim 8, it is characterised in that it is strong that the preparatory condition includes the ambient light
Degree is higher than a default luminous intensity；
When whether the embedded controller also judges the ambient light intensity higher than the default luminous intensity, if the ambient light intensity
Luminous intensity is preset higher than this, then the environmental condition meets the preparatory condition；
Wherein, when the environmental condition meets the preparatory condition, the embedded controller also informs the basic input-output unit
The electronic installation is set to enter the special brightness adjustment pattern, the embedded controller simultaneously enters the special brightness in the electronic installation
By the brightness adjustment of the display to higher than a default high brightness after adjustment modes.
11. brightness controlling device according to claim 7, it is characterised in that whether the adjustment detecting unit is also detected connects
Receive the brightness adjustment of the display to higher than one first threshold brightness or the special brightness less than one second threshold brightness
Adjustment order, to judge whether the special brightness adjustment event occurs, wherein the first threshold brightness is bright more than second threshold
Degree.
12. brightness controlling device according to claim 11, it is characterised in that environmental condition detecting unit is also in a start
The environmental condition is detected during self detection, the embedded controller also judges the environmental condition during the start is detected self
Whether the preparatory condition is met, if the environmental condition meets the preparatory condition, it is defeated that the embedded controller informs that this is inputted substantially
Going out unit makes the electronic installation enter the special brightness adjustment pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652043.3A CN104700815B (en) | 2013-12-06 | 2013-12-06 | Brightness controlling device and brightness control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652043.3A CN104700815B (en) | 2013-12-06 | 2013-12-06 | Brightness controlling device and brightness control method |
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| CN108320721B (en) | 2017-01-17 | 2022-05-24 | 华硕电脑股份有限公司 | Brightness adjusting device and brightness adjusting method thereof |
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| CN101789230B (en) * | 2009-01-24 | 2013-09-04 | 联想(北京)有限公司 | Electronic equipment and display device screen brightness adjusting method thereof |
| CN101819341B (en) * | 2009-02-26 | 2012-02-01 | 佛山市顺德区汉达精密电子科技有限公司 | Liquid-crystal display with overheat protection function and protection method thereof |
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