CN104700815A - Brightness control device and brightness control method - Google Patents
Brightness control device and brightness control method Download PDFInfo
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- CN104700815A CN104700815A CN201310652043.3A CN201310652043A CN104700815A CN 104700815 A CN104700815 A CN 104700815A CN 201310652043 A CN201310652043 A CN 201310652043A CN 104700815 A CN104700815 A CN 104700815A
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Abstract
Disclosed are a brightness control device and a brightness control method. By the aid of a basic input/output unit, a chip or an embedded controller controls brightness of a display according to environmental conditions or an adjusting decision of a user, thus the needs of a user for adjusting are met or normal running of an electronic device is ensured.
Description
[technical field]
The invention relates to a kind of control device, and relate to a kind of brightness controlling device and brightness control method especially.
[background technology]
Computing machine can divide into the computing machine of military-industry rule and general computing machine, the computing machine of military-industry rule is from the different of general computing machine, the computing machine of military-industry rule often need use in the presence of a harsh environment, such as, use under the rugged surroundings of high temperature or low temperature, therefore the computing machine of military-industry rule for the demand of the adaptive faculty of environment temperature much larger than general computing machine, and general computing machine is lain in the factor such as compact, the anti-instead of main emphasis considered of the computing machine for military-industry rule.
When the computing machine of military-industry rule operates under the environment of the sternness such as high temperature or low temperature, the brightness by controlling display is sometimes needed can normally to operate to make the computing machine of military-industry rule.Such as at high temperature, the brightness of display be reduced with the situation avoiding display to occur blank screen.And under the state of low temperature start, then need the brightness of display to reduce to avoid power consumption excessive (because low temperature start can for a long time, and the merit that will adjust other assembly is with heating).In addition, when heavy duty, also need the brightness of display to reduce to reduce power consumption.
Before Windows Windows8 occurs, the brightness of display is that the pulse width modulation signal that exported by embedded controller is to carry out the control of brightness, therefore the function of above-mentioned adjustment brightness can be reached, but the brightness of display is by window operation system display driver model (Windows Display Driver Model under the framework of Windows8, WDDM) controlled, that is the brightness of display is through driver control platform courses hub (the PlatformController Hub of window operation system display driver model, PCH) the pulse width modulation signal exported is to carry out the control of brightness, thus cannot according to traditional mode at high temperature, adjust the brightness of display when low temperature or heavy duty and reach the object that computing machine can normally be operated.
[summary of the invention]
The invention provides a kind of brightness controlling device and brightness control method, display can be adjusted to special brightness, to meet the adjustment demand of user or to guarantee electronic installation normal operation.
Brightness control method of the present invention, is applicable to the display of an electronic installation, and this brightness control method comprises the following steps.The environmental baseline of detecting electronic installation.Judge whether the environmental baseline of electronic installation meets pre-conditioned.If environmental baseline meets pre-conditioned, electronic installation is made to enter special brightness adjustment pattern.Wherein, the brightness of display is controlled by embedded controller in special brightness adjustment pattern.
In one embodiment of this invention, the above-mentioned pre-conditioned environment temperature that comprises is higher than the first preset temperature or lower than the second preset temperature, and wherein the first preset temperature is greater than the second preset temperature.Above-mentioned determining step also comprises: judge that whether environment temperature is higher than the first preset temperature or lower than the second preset temperature, if environment temperature is higher than the first preset temperature or lower than the second preset temperature, then environmental baseline meets pre-conditioned.Enter special brightness adjustment mode step also to comprise: embedded controller by the brightness adjustment of display to lower than default low-light level.
In one embodiment of this invention, the above-mentioned pre-conditioned ambient light intensity that comprises is higher than default light intensity.Wherein, above-mentioned determining step also comprises: judge that whether ambient light intensity is higher than default light intensity, if ambient light intensity is higher than default light intensity, then environmental baseline meets pre-conditioned.Enter special brightness adjustment mode step also to comprise: embedded controller by the brightness adjustment of display to higher than default high brightness.
In one embodiment of this invention, if wherein environmental baseline does not meet pre-conditioned, perform the following step.Whether detecting there is special brightness adjustment event.If there is special brightness adjustment event, electronic installation is made to enter special brightness adjustment pattern.If there is not special brightness adjustment event, make electronic installation enter general modfel, wherein the brightness of display is controlled by a chip in pattern as this.
In one embodiment of this invention, the step whether above-mentioned detecting special brightness adjustment event occurs comprises: whether detecting receives by the brightness adjustment of display to facing limit brightness higher than first or facing the special brightness adjustment order of limit brightness lower than second, and wherein first faces limit brightness and be greater than second and face limit brightness.
In one embodiment of this invention, in the step of the environmental baseline of above-mentioned detecting electronic installation, between the self-detection period of start, detect the environmental baseline of electronic installation.
Brightness control method of the present invention, be applicable to the display of electronic installation, brightness control method comprises: the environmental baseline of detecting electronic installation.Judge whether the environmental baseline of electronic installation meets pre-conditioned.If environmental baseline does not meet pre-conditioned, perform the following step: whether detecting special brightness adjustment event occurs.If there is special brightness adjustment event, make electronic installation enter special brightness adjustment pattern, wherein the brightness of display is controlled by embedded controller in special brightness adjustment pattern.
In one embodiment of this invention, above-mentioned brightness control method, also comprises: if there is not special brightness adjustment event, make electronic installation enter general modfel, and wherein the brightness of display is controlled by a chip in general modfel.
In one embodiment of this invention, the above-mentioned pre-conditioned environment temperature that comprises is higher than the first preset temperature or lower than the second preset temperature, and wherein the first preset temperature is greater than the second preset temperature.Above-mentioned determining step also comprises: judge that whether environment temperature is higher than the first preset temperature or lower than the second preset temperature, if environment temperature is higher than the first preset temperature or lower than the second preset temperature, then environmental baseline meets pre-conditioned.
In one embodiment of this invention, the above-mentioned pre-conditioned ambient light intensity that comprises is higher than default light intensity.Wherein, determining step also comprises: when judging ambient light intensity whether higher than default light intensity, if ambient light intensity is higher than default light intensity, then environmental baseline meets pre-conditioned.
In one embodiment of this invention, the step whether above-mentioned detecting special brightness adjustment event occurs comprises: whether detecting receives by the brightness adjustment of display to facing limit brightness higher than first or facing the special brightness adjustment order of limit brightness lower than second, and wherein first faces limit brightness and be greater than second and face limit brightness.
In one embodiment of this invention, be above set forth in the step of the environmental baseline of detecting electronic installation, between the self-detection period of start, detect the environmental baseline of electronic installation.
Brightness controlling device of the present invention, is applicable to the brightness of the display controlling electronic installation, and brightness controlling device comprises environmental baseline detecting unit, embedded controller, switch unit and basic input-output unit.Wherein environmental baseline detecting unit, the environmental baseline of detecting electronic installation.Embedded controller couples environmental baseline detecting unit, judges whether the environmental baseline of electronic installation meets pre-conditioned.Switch unit couples embedded controller and display.Basic input-output unit couples embedded controller and switch unit, if environmental baseline meets pre-conditioned, control switch unit and display is electrically connected to embedded controller, to make electronic installation enter special brightness adjustment pattern, wherein the brightness of display is controlled by embedded controller in special brightness adjustment pattern.
In one embodiment of this invention, above-mentioned environmental baseline comprises environment temperature and ambient light intensity one at least.
In one embodiment of this invention, the above-mentioned pre-conditioned environment temperature that comprises is higher than the first preset temperature or lower than the second preset temperature, and wherein the first preset temperature is greater than the second preset temperature; Wherein, embedded controller also judges that whether environment temperature is higher than the first preset temperature or lower than the second preset temperature, if environment temperature is higher than the first preset temperature or lower than the second preset temperature, then environmental baseline meets pre-conditioned; Wherein, when environmental baseline meets pre-conditioned, embedded controller also informs that basic input-output unit makes electronic installation enter special brightness adjustment pattern, embedded controller and after electronic installation enters this special brightness adjustment pattern by the brightness adjustment of display to lower than default low-light level.
In one embodiment of this invention, the above-mentioned pre-conditioned ambient light intensity that comprises is higher than default light intensity.When embedded controller also judges ambient light intensity whether higher than default light intensity, if ambient light intensity is higher than default light intensity, then environmental baseline meets pre-conditioned.When environmental baseline meets pre-conditioned, embedded controller also informs that basic input-output unit makes electronic installation enter special brightness adjustment pattern, embedded controller and after electronic installation enters special brightness adjustment pattern by the brightness adjustment of display to higher than default high brightness.
In one embodiment of this invention, above-mentioned brightness controlling device, also comprises chip and adjustment detecting unit.Its chips couples switch unit.Adjustment detecting unit couples basic input-output unit, whether detecting there is special brightness adjustment event, when environmental baseline does not meet pre-conditioned, if there is special brightness adjustment event, basic input-output unit controls switch unit and display is electrically connected to embedded controller, enters special brightness adjustment pattern to make electronic installation.If there is not special brightness adjustment event, basic input-output unit controls switch unit and display is electrically connected to chip, and to make electronic installation enter general modfel, wherein the brightness of display is controlled by chip in general modfel.
In one embodiment of this invention, whether above-mentioned adjustment detecting unit is also detected and is received the brightness adjustment of display to facing limit brightness higher than first or facing the special brightness adjustment order of limit brightness lower than second, to judge whether special brightness adjustment event occurs, wherein first faces limit brightness and is greater than second and faces limit brightness.
In one embodiment of this invention, above-mentioned environmental baseline detecting unit also detects environmental baseline between the self-detection period of start, it is pre-conditioned that embedded controller also judges whether environmental baseline meets between the self-detection period of start, if environmental baseline meets pre-conditioned, embedded controller informs that basic input-output unit makes electronic installation enter special brightness adjustment pattern.
Compared to prior art, the present invention determines the brightness being controlled display by chip or embedded controller, to meet the adjustment demand of user or to guarantee electronic installation normal operation by the adjustment of basic input-output unit foundation environmental baseline or user.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate institute's accompanying drawings to be described in detail below.
[accompanying drawing explanation]
Fig. 1 illustrates the schematic diagram of the brightness controlling device into one embodiment of the invention.
Fig. 2 illustrates the schematic diagram of the brightness control method into one embodiment of the invention.
Fig. 3 illustrates the schematic diagram of the brightness control method into another embodiment of the present invention.
[embodiment]
Fig. 1 illustrates the schematic diagram of the brightness controlling device into one embodiment of the invention.Please refer to Fig. 1, brightness controlling device 100 comprises environmental baseline detecting unit 102, embedded controller 104, switch unit 106, basic input-output unit 108, chip 110 and adjustment detecting unit 112.Wherein brightness controlling device 100 is in order to control the brightness of the display 114 of electronic installation, and electronic installation can be such as mobile computer or desktop PC ... etc., and chip 110 can be such as South Bridge chip.Adjustment detecting unit 112 couples basic input-output unit 108, basic input-output unit 108 couples switch unit 106 and embedded controller 104, switch unit 106 couples embedded controller 104, chip 110 and display 114, and embedded controller 104 couples environmental baseline detecting unit 102.
Environmental baseline detecting unit 102 is in order to detect the environmental baseline of electronic installation, and embedded controller 104 can judge whether the environmental baseline of electronic installation meets pre-conditioned, and wherein environmental baseline can comprise environment temperature and ambient light intensity one at least.Basic input-output unit 108 controls display 114 to be electrically connected to embedded controller 104 or chip 110 through switch unit 106 according to the judged result of embedded controller 104, wherein when display 114 is electrically connected to chip 110 through switch unit 106, electronic installation is in general modfel, and the brightness controlled of display 114 is in chip 110.And when display 114 is electrically connected to embedded controller 104 through switch unit 106, that is the brightness of display 114 is when being controlled by embedded controller 104, electronic installation is in special brightness adjustment pattern, because embedded controller 104 must not be subject to the restriction of Windows8 operation system framework as chip 110, the adjusting range that the adjusting range of the therefore now brightness of display 114 will be greater than when electronic installation is in general modfel.
Specifically, whether the above-mentioned pre-conditioned environment temperature that can such as comprise is higher than the first preset temperature or lower than the second preset temperature, and wherein the first preset temperature is higher than the second preset temperature.The environmental baseline that embedded controller 104 can export by environmental baseline detecting unit 102 is to judge that whether environment temperature is higher than the first preset temperature or lower than the second preset temperature, if environment temperature is higher than the first preset temperature or lower than the second preset temperature, that is environment temperature is too high or too low, when being in outside normal temperature range, it is pre-conditioned that embedded controller 104 judges that environmental baseline meets.Now; embedded controller 104 can inform that basic input-output unit 108 makes electronic installation enter special brightness adjustment pattern and the brightness of display 114 is controlled by embedded controller 104; afterwards; embedded controller 104 just can by the brightness adjustment of display 114 to lower than default low-light level, to reach the object that over-temperature protection or low temperature use.
It should be noted that; for guaranteeing that electronic installation also can normally operate under extreme ambient temperature conditions; environmental baseline detecting unit 102 also can detect environmental baseline between the self-detection period of start; if environment temperature is higher than the first preset temperature or lower than the second preset temperature; judgement environmental baseline meets pre-conditioned by embedded controller 104; and inform that basic input-output unit 108 makes electronic installation directly enter special brightness adjustment pattern, and must not wait until that rear ability of having started shooting enters special brightness adjustment pattern through above-mentioned over-temperature protection mechanism.
In addition, embedded controller 104 also can judge that whether ambient light intensity is higher than default light intensity, if ambient light intensity is higher than default light intensity, and during the content that user cannot be known shown by identification display, it is pre-conditioned that embedded controller 104 judges that environmental baseline meets.Now, embedded controller 104 also can inform that basic input-output unit 108 makes electronic installation enter special brightness adjustment pattern, and after electronic installation enters special brightness adjustment pattern, embedded controller 104 just can by the brightness adjustment of display 114 to higher than default high brightness, to overcome the problem that ambient light intensity effect user watches display displaying contents.
Brightness controlling device 100, except being automatically adjusted to by electronic installation except special brightness adjustment pattern according to environmental baseline, also can enter special brightness adjustment pattern according to the operation of user.As shown in Figure 1, adjustment detecting unit 112 in brightness controlling device 100 such as can comprise machine kenel communication (Machine-type-communication, MTC) service unit 116 and advanced framework power interface (Advanced Configuration and Power Interface, ACPI) driver 118, wherein machine kenel Communications service unit 116 can judge whether to receive brightness adjustment order, if receive brightness adjustment order, then control advanced framework power interface driver 118 and drive basic input-output unit 108.When environmental baseline does not meet pre-conditioned, adjustment detecting unit 112 can detect whether special brightness adjustment event occurs, if there is special brightness adjustment event, basic input-output unit 108 also can control switch unit 106 and display 114 is electrically connected to embedded controller 104, enters special brightness adjustment pattern to make electronic installation.The brightness adjustment of display 114 can such as be triggered to when facing limit brightness higher than first or face limit brightness lower than second user by special brightness adjustment event, and wherein first faces limit brightness and be greater than second and face limit brightness.First face limit brightness and second face limit brightness can respectively such as display 114 brightness control by chip 110 time the high-high brightness that can show and minimum brightness, that is the limit of brightness value that display 114 can show under regular Windows8 operates the restriction of framework of uniting.And when the brightness adjustment of display 114 is limit brightness to facing lower than first or faces limit brightness higher than second by user, when also returning in the brightness range that chip 110 can control by the brightness adjustment of display 114, basic input-output unit 108 will control switch unit 106 again and display 114 will be electrically connected to chip 110, get back to general modfel to make electronic installation.
Wherein, the brightness adjustment of display 114 is extremely faced limit brightness higher than first or is gradual adjustment lower than the second mode of facing limit brightness by the present embodiment, the brightness of display 114 can be adjusted to the brightness range that chip 110 can control by the entity of electronic installation or virtual brightness adjustment button by user by the brightness of display 114 gradually in the brightness range that chip 110 can control, and makes electronic installation enter special brightness adjustment pattern.That is adjustment detecting unit 112 can detect whether receive special brightness adjustment order, the brightness adjustment of display 114 is directly faced limit brightness to higher than first or faces limit brightness lower than second by this special brightness adjustment order instruction.If adjustment detecting unit 112 receives special brightness adjustment order, namely judge special brightness adjustment event occurs, and inform that basic input-output unit 108 controls switch unit 106 and display 114 is electrically connected to embedded controller 104, directly make electronic installation enter special brightness adjustment pattern, and the brightness adjustment of display 114 is faced limit brightness to higher than first or faces limit brightness lower than second.
It should be noted that, above-mentioned default high brightness and default low-light level can be such as limit of brightness value that display 114 can show under the restriction of Windows8 operation system framework, that is first face limit brightness or second face limit brightness, so not as limit, default high brightness and default low-light level also can be respectively faces the brightness value of limit brightness higher than first and faces the brightness value of limit brightness lower than second.
And in some embodiments, also electronic installation can be made directly to enter special brightness adjustment pattern by the entity of electronic installation or virtual hot key.When user has touched entity or virtual hot key, now embedded controller 104 can control switch unit 106 through basic input-output unit 108 and display 114 is electrically connected to embedded controller 104, to enter special brightness adjustment pattern, embedded controller 104 is made directly to be controlled the brightness of display 114.
The brilliance control framework that the present invention proposes can support the display framework of different operation systems simultaneously.In section Example, when electronic installation uses windows8 for operation system, the brilliance control of switch unit 106 crossover display terminal 114 can be borrowed to weigh to chip 110 or embedded controller 104; When electronic installation uses windows7 for operation system, then embedded controller 104 can be used to control display 114 brightness.
Fig. 2 illustrates the schematic diagram of the brightness control method into one embodiment of the invention.Please refer to Fig. 2, the brightness control method of concluding above-mentioned brightness controlling device can comprise the following steps.First, detect the environmental baseline (step S202) of this electronic installation, wherein environmental baseline can comprise environment temperature and ambient light intensity one at least.Then, judge whether the environmental baseline of electronic installation meets pre-conditioned (step S204), wherein pre-conditioned can be such as that environment temperature is higher than the first preset temperature or lower than the second preset temperature, when environment temperature is higher than the first preset temperature or lower than the second preset temperature, namely judge that environmental baseline meets pre-conditioned.Or be, pre-conditioned can be such as ambient light intensity higher than default light intensity, when ambient light intensity is higher than default light intensity, namely judge that environmental baseline meets pre-conditioned.
If the environmental baseline of electronic installation meets pre-conditioned, electronic installation is then made to enter special brightness adjustment pattern (step S206), wherein the brightness of the display of electronic installation is controlled by embedded controller in special brightness adjustment pattern, and therefore the brightness performance of display 114 will not be subject to the restriction of Windows8 operation system framework.In addition; in special brightness adjustment pattern; environment temperature higher than the first preset temperature or lower than the second preset temperature when; embedded controller by the brightness adjustment of display to lower than default low-light level; to reach the object of over-temperature protection; and ambient light intensity higher than default light intensity when, embedded controller by the brightness adjustment of display to higher than default high brightness, to overcome the problem that ambient light intensity effect user watches display displaying contents.
It should be noted that; the step (step S202) of the environmental baseline of above-mentioned this electronic installation of detecting also can perform between the self-detection period of start; special brightness adjustment pattern directly can be entered to make electronic installation; and must not wait until that rear ability of having started shooting enters special brightness adjustment pattern through above-mentioned over-temperature protection mechanism, so just can guarantee electronic installation normal operation in extreme temperatures further.
On the contrary, if the environmental baseline of electronic installation does not meet pre-conditioned, then detect and whether special brightness adjustment event (step S208) occurs, such as, can detect and whether receive the brightness adjustment of display to facing limit brightness higher than first or facing the special brightness adjustment order of limit brightness lower than second.If there is special brightness adjustment event, then enter step S206, make electronic installation enter special brightness adjustment pattern.And if there is not special brightness adjustment event, this electronic installation is then made to enter general modfel (step S210), wherein the brightness of display is controlled by a chip in general modfel, that is the brightness of display will be subject to the restriction of Windows8 operation system framework.
Fig. 3 illustrates the schematic diagram of the brightness control method into another embodiment of the present invention.Please refer to Fig. 3, brightness control method comprises the following steps in the present embodiment.First, boot program (step S302) is performed.Then, start selftest (Power On Self Test, POST) (step S304) is performed.Then check whether electronic installation enters special brightness adjustment pattern (step S306), such as, check whether the environmental baseline of electronic installation meets pre-conditioned.To enter special brightness adjustment pattern, such as, make when the environmental baseline of electronic installation meets pre-conditioned electronic installation enter special brightness adjustment pattern, then control switch unit switching and be connected to embedded controller (step S308).On the contrary, if do not enter special brightness adjustment pattern, then enter general modfel (step S314), control switch unit switching and be connected to chip (step S316), display now can be made to show the brightness preset, and in general modfel, the brightness of display will be subject to the restriction of Windows8 operation system framework.
When switch unit switching is connected to embedded controller, embedded controller just can then according to the brightness (step S310) of environmental baseline adjustment display.Afterwards, check whether and maintain special brightness adjustment pattern (step S312), special brightness adjustment pattern is maintained if continue, the environmental baseline of such as electronic installation still meets pre-conditioned, continues to maintain special brightness adjustment pattern, gets back to the brightness that step S310 continues to adjust according to environmental baseline display.And if do not continue to maintain special brightness adjustment pattern, the environmental baseline of such as electronic installation has not met pre-conditioned, then perform step S314, step S316 is performed after entering general modfel, be connected to chip to control switch unit switching, make the brightness of display will be subject to the restriction of Windows8 operation system framework.After entering general modfel, whether the environmental baseline that embedded controller can continue to detect electronic installation meets pre-conditioned (step S318), if the environmental baseline of electronic installation does not meet pre-conditioned, then detect and whether have special brightness adjustment event that (step S320) occurs.If occur without special brightness adjustment event, then whether the environmental baseline of getting back to step S318 continuation detecting electronic installation meets pre-conditioned.And if have special brightness adjustment event to occur, also or in step S318, judge that the environmental baseline of electronic installation meets pre-conditioned, then enter special brightness adjustment pattern (step S322), and then the switching of control switch unit is connected to embedded controller (step S324), can adjust (step S326) to make embedded controller according to the brightness of environmental baseline to display.In addition, after embedded controller adjusts the brightness of display according to environmental baseline, whether the environmental baseline can getting back to step S318 continuation detecting electronic installation meets pre-conditioned.
In sum, the present invention determines the brightness being controlled display by chip or embedded controller, to meet the adjustment demand of user or to guarantee electronic installation normal operation by the adjustment of basic input-output unit foundation environmental baseline or user.In addition, because the brightness of display can be controlled by chip, the test meeting Microsoft Windows8 hardware identification (Windows Hardware CertificationKit, WHCK) of display brightness can therefore also be made.In addition, the present invention is except the degree of freedom that can increase electronic installation and control display brightness, and a brightness controlling device also can be made to support, and multiple operation is united simultaneously.
Claims (21)
1. a brightness control method, is applicable to the display of an electronic installation, it is characterized in that, this brightness control method comprises:
Detect an environmental baseline of this electronic installation;
Judge whether this environmental baseline of this electronic installation meets one pre-conditioned;
If this environmental baseline meets, this is pre-conditioned, makes this electronic installation enter a special brightness adjustment pattern;
Wherein, the brightness of this display is controlled by an embedded controller in this special brightness adjustment pattern.
2. brightness control method according to claim 1, is characterized in that, this environmental baseline comprises an environment temperature and ambient light intensity one at least.
3. brightness control method according to claim 2, is characterized in that, this pre-conditioned this environment temperature that comprises is higher than one first preset temperature or lower than one second preset temperature, and wherein this first preset temperature is greater than this second preset temperature;
Wherein, this determining step also comprises: judge that whether this environment temperature is higher than this first preset temperature or lower than this second preset temperature, if this environment temperature is higher than this first preset temperature or lower than this second preset temperature, then this environmental baseline meets that this is pre-conditioned;
Wherein, this enters this special brightness adjustment mode step and also comprises: the brightness adjustment of this display is preset low-light level to lower than one by this embedded controller.
4. brightness control method according to claim 2, is characterized in that, this pre-conditioned this ambient light intensity that comprises presets light intensity higher than one;
Wherein, this determining step also comprises: judge that whether this ambient light intensity is higher than this default light intensity, if this ambient light intensity is higher than this default light intensity, then this environmental baseline meets that this is pre-conditioned;
Wherein, this enters this special brightness adjustment mode step and also comprises: the brightness adjustment of this display is preset high brightness to higher than one by this embedded controller.
5. brightness control method according to claim 1, is characterized in that, if this environmental baseline does not meet, this is pre-conditioned, performs the following step:
Whether detecting there is a special brightness adjustment event;
If there is this special brightness adjustment event, this electronic installation is made to enter this special brightness adjustment pattern;
If there is not this special brightness adjustment event, make this electronic installation enter general modfel, wherein the brightness of this display is controlled by a chip in this general modfel.
6. brightness control method according to claim 5, is characterized in that, the step whether detecting one special brightness adjustment event occurs comprises:
Whether detecting receives by the brightness adjustment of this display to facing limit brightness higher than one first or facing a special brightness adjustment order of limit brightness lower than one second, and wherein this first faces limit brightness and be greater than this and second face limit brightness.
7. brightness control method according to claim 1, is characterized in that, in the step of this environmental baseline of this electronic installation of detecting, detects this environmental baseline of this electronic installation between the self-detection period of a start.
8. a brightness control method, is applicable to the display of an electronic installation, it is characterized in that, this brightness control method comprises:
Detect an environmental baseline of this electronic installation;
Judge whether this environmental baseline of this electronic installation meets one pre-conditioned;
If this environmental baseline does not meet, this is pre-conditioned, performs the following step:
Whether detecting there is a special brightness adjustment event;
If there is this special brightness adjustment event, make this electronic installation enter a special brightness adjustment pattern, wherein the brightness of this display is controlled by an embedded controller in this special brightness adjustment pattern.
9. brightness control method according to claim 8, is characterized in that, this brightness control method also comprises:
If there is not this special brightness adjustment event, make this electronic installation enter this general modfel, wherein the brightness of this display is controlled by a chip in this general modfel.
10. brightness control method according to claim 8, is characterized in that, this environmental baseline comprises an environment temperature and ambient light intensity one at least.
11. brightness control methods according to claim 8, is characterized in that, this pre-conditioned this environment temperature that comprises is higher than one first preset temperature or lower than one second preset temperature, and wherein this first preset temperature is greater than this second preset temperature;
Wherein, this determining step also comprises: judge that whether this environment temperature is higher than this first preset temperature or lower than this second preset temperature, if this environment temperature is higher than this first preset temperature or lower than this second preset temperature, then this environmental baseline meets that this is pre-conditioned.
12. brightness control methods according to claim 8, is characterized in that, this pre-conditioned this ambient light intensity that comprises presets light intensity higher than one;
Wherein, this determining step also comprises: when judging this ambient light intensity whether higher than this default light intensity, if this ambient light intensity is higher than this default light intensity, then this environmental baseline meets that this is pre-conditioned.
13. brightness control methods according to claim 8, is characterized in that, the step whether detecting one special brightness adjustment event occurs comprises:
Whether detecting receives by the brightness adjustment of this display to facing limit brightness higher than one first or facing a special brightness adjustment order of limit brightness lower than one second, and wherein this first faces limit brightness and be greater than this and second face limit brightness.
14. brightness control methods according to claim 8, is characterized in that, in the step of this environmental baseline of this electronic installation of detecting, detect this environmental baseline of this electronic installation between the self-detection period of a start.
15. 1 kinds of brightness controlling devices, be applicable to the brightness of the display of control one electronic installation, it is characterized in that, this brightness controlling device comprises:
One environmental baseline detecting unit, detects an environmental baseline of this electronic installation;
One embedded controller, couples this environmental baseline detecting unit, judges whether this environmental baseline of this electronic installation meets one pre-conditioned;
One switch unit, couples this embedded controller and this display;
One basic input-output unit, couple this embedded controller and this switch unit, if this environmental baseline meets, this is pre-conditioned, control this switch unit and this display is electrically connected to this embedded controller, to make this electronic installation enter a special brightness adjustment pattern, wherein the brightness of this display is controlled by this embedded controller in this special brightness adjustment pattern.
16. brightness controlling devices according to claim 15, is characterized in that, this environmental baseline comprises an environment temperature and ambient light intensity one at least.
17. brightness controlling devices according to claim 16, is characterized in that, this pre-conditioned this environment temperature that comprises is higher than one first preset temperature or lower than one second preset temperature, and wherein this first preset temperature is greater than this second preset temperature;
Wherein, this embedded controller also judges that whether this environment temperature is higher than this first preset temperature or lower than this second preset temperature, if this environment temperature is higher than this first preset temperature or lower than this second preset temperature, then this environmental baseline meets that this is pre-conditioned;
Wherein, when this environmental baseline meet this pre-conditioned time, this embedded controller also informs that this basic input-output unit makes this electronic installation enter this special brightness adjustment pattern, and the brightness adjustment of this display is also preset low-light level to lower than one by this embedded controller after this electronic installation enters this special brightness adjustment pattern.
18. brightness controlling devices according to claim 16, is characterized in that, this pre-conditioned this ambient light intensity that comprises presets light intensity higher than one;
When this embedded controller also judges this ambient light intensity whether higher than this default light intensity, if this ambient light intensity is higher than this default light intensity, then this environmental baseline meets that this is pre-conditioned;
Wherein, when this environmental baseline meet this pre-conditioned time, this embedded controller also informs that this basic input-output unit makes this electronic installation enter this special brightness adjustment pattern, and the brightness adjustment of this display is also preset high brightness to higher than one by this embedded controller after this electronic installation enters this special brightness adjustment pattern.
19. brightness controlling devices according to claim 15, is characterized in that, this brightness controlling device also comprises:
One chip, couples this switch unit;
One adjustment detecting unit, couple this basic input-output unit, detecting whether there is a special brightness adjustment event, this environmental baseline do not meet this pre-conditioned when,
If there is this special brightness adjustment event, this basic input-output unit controls this switch unit and this display is electrically connected to this embedded controller, to make this electronic installation enter this special brightness adjustment pattern,
If there is not this special brightness adjustment event, this basic input-output unit controls this switch unit and this display is electrically connected to this chip, and to make this electronic installation enter general modfel, wherein the brightness of this display is controlled by this chip in this general modfel.
20. brightness controlling devices according to claim 19, it is characterized in that, whether this adjustment detecting unit is also detected and is received the brightness adjustment of this display to facing limit brightness higher than one first or facing a special brightness adjustment order of limit brightness lower than one second, to judge whether this special brightness adjustment event occurs, wherein this first faces limit brightness and is greater than this and second faces limit brightness.
21. brightness controlling devices according to claim 15, it is characterized in that, environmental baseline detecting unit also detects this environmental baseline between the self-detection period of a start, this embedded controller also judges between this start oneself detection period whether this environmental baseline meets that this is pre-conditioned, if this environmental baseline meets, this is pre-conditioned, and this embedded controller informs that this basic input-output unit makes this electronic installation enter this special brightness adjustment pattern.
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| CN201310652043.3A CN104700815B (en) | 2013-12-06 | 2013-12-06 | Brightness controlling device and brightness control method |
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| CN201310652043.3A Active CN104700815B (en) | 2013-12-06 | 2013-12-06 | Brightness controlling device and brightness control method |
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| CN104700815B (en) | 2017-07-28 |
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