CN102737611A - Method for automatically adjusting brightness of display and portable electronic device - Google Patents
Method for automatically adjusting brightness of display and portable electronic device Download PDFInfo
- Publication number
- CN102737611A CN102737611A CN2011100845964A CN201110084596A CN102737611A CN 102737611 A CN102737611 A CN 102737611A CN 2011100845964 A CN2011100845964 A CN 2011100845964A CN 201110084596 A CN201110084596 A CN 201110084596A CN 102737611 A CN102737611 A CN 102737611A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- exponent number
- number value
- brightness
- adjustment exponent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method for automatically adjusting brightness of a display and a portable electronic device. The method comprises the following steps: receiving a plurality of brightness sensing signals and calculating an average ambient illumination value based on the brightness sensing signals; receiving a user setting signal, wherein the user setting signal contains increase and decrease in value defined by the user; according to the average ambient illumination value and the increase and decrease in value defined by the user, finding a corresponding specific brightness control signal from a comparison table; and automatically adjusting the displaying brightness of the display according to the specific brightness control signal. According to the invention, the displaying brightness of the display can be automatically adjusted by utilizing ambient illumination sensed by an ambient light sensor.
Description
Technical field
The present invention relates to the brightness adjustment of display, particularly a kind of display brightness automatic adjusting method and portable electron device.
Background technology
In recent years, along with the light sensing development of technology, existing many advanced persons' Photosensing Units is developed successively, and is widely used in the various electronic products.For example; Present common on the market portable electron device; Similarly be intelligent mobile phone, notebook computer or panel computer etc.; Ambient light sensor capable of using (ambient light sensor) comes sensitive context illumination, and the present backlight illumination of its display of arranging in pairs or groups or be under battery/charge mode, carries out the automatic adjustment of display display brightness.
Though on the market portable electron device can realize adjusting automatically the function of its display display brightness now, yet, when the user uses this display display brightness to adjust function automatically in reality, still can feel to exist some defective.For example; When portable electron device is in auto brightness adjustment modes following time; Portable electron device will be adjusted the display brightness of its display automatically according to the ambient light illumination sensing result and the power supply input pattern of ambient light sensor, but has ignored most important user subjective feeling visually.
No matter the user feels too bright or too dark through the automatic adjusted display brightness of portable electron device; The user all can't be according to own visual subjective feeling; Display brightness for the display that is in the portable electron device under the auto brightness adjustment modes carries out any action that lightens or dim; Make display brightness adjust the actual demand that function can't satisfy the user automatically on the contrary, even eyes do not feel well when causing the user to watch screen.
Summary of the invention
The present invention proposes a kind of display brightness automatic adjusting method and portable electron device, to solve the above-mentioned variety of problems that prior art was suffered from.
A purpose of the present invention is to propose a kind of display brightness automatic adjusting method.In one embodiment, the aforementioned display device method for automatic brightness adjustment is applied in the display.The aforementioned display device method for automatic brightness adjustment comprises the following step: receive a plurality of brightness sensing signals, and calculate the average environment brightness value according to this; Receive user's setting signal, above-mentioned user's setting signal comprises the variable value of user's definition; Variable value according to above-mentioned average environment brightness value and above-mentioned user definition is found out corresponding certain luminance control signal in the table of comparisons; Automatically adjust the display brightness of aforementioned display device according to above-mentioned certain luminance control signal.
In one embodiment of this invention, the above-mentioned table of comparisons comprises a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal.The above-mentioned step of finding out the certain luminance control signal comprises the following step: compare the above-mentioned average environment brightness value and the above-mentioned table of comparisons, in above-mentioned a plurality of adjustment exponent number values, to find out the first adjustment exponent number value corresponding to above-mentioned average environment brightness value; Variable value according to above-mentioned first adjustment exponent number value and above-mentioned user definition produces the second adjustment exponent number value; Compare the above-mentioned second adjustment exponent number value and the above-mentioned table of comparisons, in above-mentioned a plurality of brightness control signals, to find out above-mentioned certain luminance control signal corresponding to the above-mentioned second adjustment exponent number value.
In one embodiment of this invention, the step of the above-mentioned comparison second adjustment exponent number value and the table of comparisons comprises the following step: judge whether the above-mentioned second adjustment exponent number value has reached maximum adjustment exponent number value or minimum adjustment exponent number value; If the judged result of above-mentioned determining step is for being, will the above-mentioned second adjustment exponent number value be set at above-mentioned maximum adjustment exponent number value or above-mentioned minimum is adjusted the exponent number value; In above-mentioned a plurality of brightness control signals, find out above-mentioned certain luminance control signal according to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value corresponding to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value.
In one embodiment of this invention, above-mentioned maximum adjustment exponent number value and above-mentioned minimum adjustment exponent number value correspond respectively to the maximum display brightness or the minimum display brightness of aforementioned display device.The step of the display brightness of above-mentioned automatic adjustment display comprises the following step: the above-mentioned display brightness according to above-mentioned certain luminance control signal control aforementioned display device is above-mentioned maximum display brightness or above-mentioned minimum display brightness.
Another object of the present invention is to propose a kind of portable electron device.In one embodiment, portable electron device comprises display, brightness impression measurement unit, user's interface, processing unit and brightness control unit.The brightness impression measurement unit is in order to sensitive context illumination and produce a plurality of brightness sensing signals according to this.User's interface is in order to produce user's setting signal.Above-mentioned user's setting signal comprises the variable value of user's definition.Processing unit is coupled to above-mentioned brightness impression measurement unit and above-mentioned user's interface; In order to receive above-mentioned a plurality of brightness sensing signal and above-mentioned user's setting signal; And go out the average environment brightness value, and in the table of comparisons, find out corresponding certain luminance control signal according to the variable value of above-mentioned average environment brightness value and user's definition according to above-mentioned a plurality of brightness sensing calculated signals.Brightness control unit is coupled to above-mentioned processing unit and aforementioned display device, in order to adjust the display brightness of display automatically according to the certain luminance control signal.
In one embodiment of this invention, the above-mentioned table of comparisons comprises a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal.Above-mentioned processing unit comprises computation subunit and comparer unit.After computation subunit goes out the average environment brightness value according to above-mentioned a plurality of brightness sensing calculated signals; The comparer unit is coupled to the aforementioned calculation subelement; In order to the comparison average environment brightness value and the table of comparisons, in above-mentioned a plurality of adjustment exponent number values, to find out the first adjustment exponent number value corresponding to the average environment brightness value.Then; After the variable value generation second adjustment exponent number value of computation subunit according to the first adjustment exponent number value and user's definition; The comparison second adjustment exponent number value and the table of comparisons in comparer unit is to find out the certain luminance control signal corresponding to the second adjustment exponent number value in above-mentioned a plurality of brightness control signals.
In one embodiment of this invention, the comparer unit comprises determining device, setting apparatus and comparative device.Determining device is in order to judge whether the second adjustment exponent number value has reached maximum adjustment exponent number value or minimum adjustment exponent number value.Setting apparatus is coupled to determining device, if the judged result of judging unit is for being that setting apparatus is set at maximum adjustment exponent number value or the minimum exponent number value of adjusting with the second adjustment exponent number value.Comparative device is coupled to setting apparatus, and comparative device is in order to find out the certain luminance control signal corresponding to maximum adjustment exponent number value or minimum adjustment exponent number value according to maximum adjustment exponent number value or minimum adjustment exponent number value in above-mentioned a plurality of brightness control signals.
Beneficial effect of the present invention is; Compared to prior art; Display brightness automatic adjusting method proposed by the invention is except making the ambient light illumination that sensed of portable electron device ambient light sensor capable of using (ambient light sensor) of utilization said method carry out the automatic adjustment of display display brightness; Also can do adjustment further to the display brightness of display according to the brightness variable value that the user defines voluntarily; So can fully satisfy the user visually to the demand of display brightness, when watching the display of portable electron device with the person of avoiding the use of, eyes can not feel well.
Can further be understood through following detailed Description Of The Invention and accompanying drawing about advantage of the present invention and spirit.
Description of drawings
Fig. 1 is the functional-block diagram of the portable electron device of first preferred embodiment of the present invention;
Fig. 2 is the detailed functional block diagram of the processing unit among Fig. 1;
Fig. 3 is the synoptic diagram of an example of the table of comparisons of the present invention;
Fig. 4 is the process flow diagram of the display brightness automatic adjusting method of second preferred embodiment of the present invention;
Fig. 5 is the detail flowchart of the step S14 among Fig. 4;
Fig. 6 is the detail flowchart of the substep S144 among Fig. 5.
Embodiment
First preferred embodiment according to the present invention is a kind of portable electron device.Above-mentioned portable electron device can be intelligent mobile phone, notebook computer or panel computer, but not as limit.Please with reference to Fig. 1 and Fig. 2, Fig. 1 is the functional-block diagram of the portable electron device of embodiment for this reason, and Fig. 2 is the detailed functional block diagram of the processing unit among Fig. 1.
Like Fig. 1 and shown in Figure 2, portable electron device 1 comprises display 10, brightness impression measurement unit 12, user's interface 14, processing unit 16, BIOS unit 17, brightness control unit 18, central processing unit 19 and storage unit 20.Processing unit 16 comprises computation subunit 160 and comparer unit 162.Comparer unit 162 comprises determining device 1620, setting apparatus 1622 and comparative device 1624.Processing unit 16 is coupled to brightness impression measurement unit 12, user's interface 14, brightness control unit 18 and storage unit 20 respectively; Display 10 is coupled to brightness control unit 18; BIOS unit 17 is coupled to processing unit 16; Central processing unit 19 is coupled to BIOS unit 17; Comparer unit 162 is coupled to computation subunit 160; Determining device 1620 is coupled to setting apparatus 1622; Setting apparatus 1622 is coupled to comparative device 1624.
In practical application, display 10 can be LCD (LCD) or light emitting diode (LED) display; Brightness impression measurement unit 12 can be the optical sensor with ambient light illumination sensing function, for example ambient light sensor (ambient light sensor); User's interface 14 can be the button or the Touch Screen of portable electron device 1, uses the action of importing or setting for the user; Processing unit 16 can be microcontroller (MCU) or other arithmetic processor; BIOS unit 17 also can couple a BIOS internal memory (figure does not show) in addition as the role of intermediary between central processing unit 19 and the processing unit 16; Brightness control unit 18 can be the backlight circuit plate, in order to the display brightness of control display 10; Storage unit 20 can be the medium of arbitrary form, for example internal memory or hard disk, but not as limit.
Next, each unit that is comprised with regard to portable electron device 1 respectively and the function that possesses thereof are described.
In this embodiment; When portable electron device 1 is under the battery powered mode; Also be portable electron device 1 when not being coupled to AC power through adapter, brightness impression measurement unit 12 is sensitive context illumination and produce a plurality of brightness sensing signals according to this automatically.In fact, brightness impression measurement unit 12 can be arranged at the upper left side or the upper right side of the display 10 of portable electron device 1, or in cmos sensor and microphone are integrated in the network camera unit, but not as limit.What need explanation is, brightness impression measurement unit 12 is actually an IC in the housing that is arranged at portable electron device 1, and it couples soft arranging wire (FPC) and is coupled to processing unit 16 through the I2C mode.Brightness impression measurement unit 12 comprises two photosensory assemblies, respectively in order to sensing visible light and infrared ray, and output these brightness sensing signals after signal Processing.
In this embodiment, user's interface 14 is in order to generation user setting signal, and this user's setting signal comprises the variable value of user's definition.In fact; The user can be according to itself bright dark impression to the display brightness of the display 10 of portable electron device 1; User's interface 14 (for example button or Touch Screen etc.) through portable electron device 1 is under the environment of a certain operating system (for example Windows operating system); Through the variable value of this user's definition of application setting, but not as limit.
In this embodiment; Processing unit 16 will receive user's setting signal that these brightness sensing signals that brightness impression measurement unit 12 exported and user's interface 14 are exported; And go out the average environment brightness value, and in the table of comparisons, find out corresponding certain luminance control signal according to the variable value of average environment brightness value and user's definition according to these brightness sensing calculated signals.In fact, processing unit 16 can adopt different computing method to calculate the average environment brightness value according to actual demand, and for example arithmetic mean method, method of weighted mean, the middle mark method of average etc. do not have specific restriction.
In practical application, the table of comparisons can comprise a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal.For example, as shown in Figure 3, table of comparisons T can write down 16 ambient light illumination values with and corresponding 16 adjustment exponent number value L0～L15 and 16 brightness control signals, but not as limit.What need explanation is that Fig. 3 is merely the signal table of 6 adjustment exponent numbers wherein.In fact, the variable value and the table of comparisons of user's definition that the average environment brightness value that processing unit 16 is calculated, user's interface 14 are exported all can be stored in the storage unit 20, but not as limit.
In detail; As shown in Figure 2; After computation subunit 160 goes out the average environment brightness value according to these brightness sensing calculated signals; These ambient light illumination values that average environment brightness value and the table of comparisons are stored will be compared in comparer unit 162, to find out the first adjustment exponent number value corresponding to the average environment brightness value in these adjustment exponent number values in the table of comparisons.Then; After the variable value generation second adjustment exponent number value of computation subunit 160 according to the first adjustment exponent number value and user's definition; Again by the comparer unit 162 comparisons second adjustment exponent number value and the table of comparisons, to find out certain luminance control signal in these brightness control signals in the table of comparisons corresponding to the second adjustment exponent number value.
In practical application; Because the display 10 of portable electron device 1 itself has maximum display brightness and minimum display brightness; Correspond respectively to maximum adjustment exponent number value (L15) and minimum adjustment exponent number value (L0) among the table of comparisons T of Fig. 2; Therefore; Exceed maximum adjustment exponent number value (L15) and the minimum scope of adjusting between the exponent number value (L0) among the table of comparisons T for fear of the computation subunit 160 resulting second adjustment exponent number values, the determining device 1620 of comparer unit 162 will judge whether the second adjustment exponent number value has reached maximum adjustment exponent number value (L15) or the minimum exponent number value (L0) of adjusting.
If the judged result of determining device 1620 is for being; Also promptly the second adjustment exponent number value has reached maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0), and setting apparatus 1622 promptly can be set at maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0) to the second adjustment exponent number value.Then, comparative device 1624 is found out the certain luminance control signal corresponding to maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0) according to maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0) again in these brightness control signals.
Because maximum adjustment exponent number value (L15) and minimum adjustment exponent number value (L0) correspond respectively to the maximum display brightness or the minimum display brightness of display 10; Therefore, brightness control unit 18 will be maximum display brightness or minimum display brightness according to the display brightness of certain luminance control signal control display 10.
Otherwise; If the judged result of determining device 1620 is for denying; Promptly the second adjustment exponent number value does not reach maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0) yet, and comparative device 1624 will be found out the certain luminance control signal corresponding to the second adjustment exponent number value according to the second adjustment exponent number value in these brightness control signals.Afterwards, brightness control unit 18 is adjusted the display brightness of display 10 more automatically according to the certain luminance control signal.
Second preferred embodiment according to the present invention is a kind of display brightness automatic adjusting method.In this embodiment, this display brightness automatic adjusting method is applied in the display.In fact; This display is arranged on the portable electron device; This display can be LCD (LCD) or light emitting diode (LED) display, and this portable electron device can be intelligent mobile phone, notebook computer or panel computer, but not as limit.
Please with reference to Fig. 4, Fig. 4 is the process flow diagram of the display brightness automatic adjusting method of embodiment for this reason.As shown in Figure 4, at first, this method execution in step S10 receives a plurality of brightness sensing signals, and calculates the average environment brightness value according to this.In practical application, these brightness sensing signals can be through the optical sensor of portable electron device, ambient light sensor (ambient light sensor) for example, and the ambient light illumination around the sensing portable electron device and getting, but not as limit.
Then, this method execution in step S12, reception comprises user's setting signal of the variable value of user's definition.In practical application, the variable value that user's interfaces such as button that the user can be through portable electron device or Touch Screen define through this user of application setting under the environment of operating system (OS), but not as limit.
Afterwards, this method execution in step S14 finds out corresponding certain luminance control signal according to the variable value of average environment brightness value and user's definition in the table of comparisons.In practical application, this table of comparisons can comprise a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal.For example, as shown in Figure 3, table of comparisons T can write down 16 ambient light illumination values with and corresponding 16 adjustment exponent number value L0～L15 and 16 brightness control signals, but not as limit.What need explanation is that Fig. 3 is merely the signal table of 6 adjustment exponent numbers wherein.
In detail, as shown in Figure 5, step S14 comprises following three sub-steps S140～S144.In substep S140, this method comparison average environment brightness value and table of comparisons are to find out the first adjustment exponent number value corresponding to the average environment brightness value in these adjustment exponent number values.For example, suppose that the ambient light illumination value is 60, then the table of comparisons T from Fig. 3 can know: the first adjustment exponent number value corresponding to ambient light illumination value 60 is L12.
Then, in substep S142, this method produces the second adjustment exponent number value according to the variable value of the first adjustment exponent number value and user's definition.Hold example; The known first adjustment exponent number value is L12; If the variable value of user definition be (+1), also be that the user thinks that the display brightness of display of portable electron device is bright inadequately, first adjust exponent number value (L12) and add 1 and obtain second and adjust exponent number value (L13) so desire will be originally.
Then, in substep S144, this method comparison second adjustment exponent number value and table of comparisons is to find out the certain luminance control signal corresponding to the second adjustment exponent number value in these brightness control signals.Hold example, the known second adjustment exponent number value is L13, and the table of comparisons T from Fig. 2 can know: the pairing certain luminance control signal of the second adjustment exponent number value L13 is (0xAB).
In practical application; Because the display of portable electron device itself has maximum display brightness and minimum display brightness; Correspond respectively to maximum adjustment exponent number value (L15) and minimum adjustment exponent number value (L0); Therefore, carry out the resulting second adjustment exponent number value of substep S142 for fear of this method and exceed the scope between maximum adjustment exponent number value (L15) and the minimum adjustment exponent number value (L0), substep S144 can comprise following three sub-steps S1440～S1446.As shown in Figure 6, in substep S1440, this method judges whether the second adjustment exponent number value has reached maximum adjustment exponent number value or minimum adjustment exponent number value.
Hold example; Because the second adjustment exponent number value is L13; Do not reach maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0); Promptly this method judged result of carrying out substep S1440 is not for yet, and this moment, this method will be carried out substep S1442, in these brightness control signals, found out this certain luminance control signal corresponding to the second adjustment exponent number value according to the second adjustment exponent number value.
In another example; When the second adjustment exponent number value is L15 or L0; Because the second adjustment exponent number value (L15 or L0) has reached maximum adjustment exponent number value or minimum adjustment exponent number value; Also promptly this method judged result of carrying out substep S1440 for being that this moment, this method will be carried out substep S1444, and the second adjustment exponent number value is set at maximum adjustment exponent number value or the minimum exponent number value of adjusting.Then, this method is carried out substep S1446, in these brightness control signals, finds out the certain luminance control signal corresponding to maximum adjustment exponent number value or minimum adjustment exponent number value according to maximum adjustment exponent number value or minimum adjustment exponent number value.
Get back to Fig. 4, after this method was found out the certain luminance control signal through above-mentioned steps, this method will execution in step S16, adjusted the display brightness of display automatically according to the certain luminance control signal.Be noted that; When the second adjustment exponent number value has reached maximum adjustment exponent number value (L15) or minimum adjustment exponent number value (L0); This method is carried out after the substep S1446; Will execution in step S160, be maximum display brightness or minimum display brightness according to the display brightness of certain luminance control signal control display.
In practical application, portable electron device is controlled the display brightness of its display through backlight module.Generally speaking; The mode that portable electron device output certain luminance controls signal to backlight module can be divided into two kinds: a kind of is direct current (DC) signal through different voltage swings; Another kind then is through pulse-length modulation (Pulse-Width Modulation; PWM) signal, but not as limit.
Compared to prior art; Display brightness automatic adjusting method proposed by the invention is except making the ambient light illumination that sensed of portable electron device ambient light sensor capable of using of this method of utilization carry out the automatic adjustment of display display brightness; Also can do adjustment further to the display brightness of display according to the brightness variable value that the user defines voluntarily; So can fully satisfy the user visually to the demand of display brightness; When watching the display of portable electron device with the person of avoiding the use of, eyes can not feel well.
Through the detailed description of above preferred embodiment, hope can be known description characteristic of the present invention and spirit more, and is not to come category of the present invention is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain various changes and have in the scope of claims of being arranged in of identity property institute of the present invention desire application.
Claims (8)
1. a display brightness automatic adjusting method is characterized in that, comprises the following step:
Receive a plurality of brightness sensing signals, and calculate the average environment brightness value according to this;
Receive user's setting signal, above-mentioned user's setting signal comprises the variable value of user's definition;
Variable value according to above-mentioned average environment brightness value and above-mentioned user definition is found out corresponding certain luminance control signal in the table of comparisons; And
Automatically adjust the display brightness of display according to above-mentioned certain luminance control signal.
2. display brightness automatic adjusting method according to claim 1; It is characterized in that; The above-mentioned table of comparisons comprises a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal, and the above-mentioned step of finding out above-mentioned certain luminance control signal comprises the following step:
Compare the above-mentioned average environment brightness value and the above-mentioned table of comparisons, in above-mentioned a plurality of adjustment exponent number values, to find out the first adjustment exponent number value corresponding to above-mentioned average environment brightness value;
Variable value according to above-mentioned first adjustment exponent number value and above-mentioned user definition produces the second adjustment exponent number value; And
Compare the above-mentioned second adjustment exponent number value and the above-mentioned table of comparisons, in above-mentioned a plurality of brightness control signals, to find out above-mentioned certain luminance control signal corresponding to the above-mentioned second adjustment exponent number value.
3. display brightness automatic adjusting method according to claim 2 is characterized in that, the step of the above-mentioned second adjustment exponent number value of above-mentioned comparison and the above-mentioned table of comparisons comprises the following step:
Judge whether the above-mentioned second adjustment exponent number value has reached maximum adjustment exponent number value or minimum adjustment exponent number value;
If the judged result of above-mentioned determining step is for being, will the above-mentioned second adjustment exponent number value be set at above-mentioned maximum adjustment exponent number value or above-mentioned minimum is adjusted the exponent number value; And
In above-mentioned a plurality of brightness control signals, find out above-mentioned certain luminance control signal according to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value corresponding to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value.
4. display brightness automatic adjusting method according to claim 3; It is characterized in that; Above-mentioned maximum adjustment exponent number value and above-mentioned minimum adjustment exponent number value correspond respectively to the maximum display brightness or the minimum display brightness of aforementioned display device, and the step of the above-mentioned display brightness of above-mentioned automatic adjustment aforementioned display device comprises the following step:
Above-mentioned display brightness according to above-mentioned certain luminance control signal control aforementioned display device is above-mentioned maximum display brightness or above-mentioned minimum display brightness.
5. a portable electron device is characterized in that, comprises:
Display;
The brightness impression measurement unit also produces a plurality of brightness sensing signals according to this in order to sensitive context illumination;
User's interface, in order to produce user's setting signal, above-mentioned user's setting signal comprises the variable value of user's definition;
Processing unit; Be coupled to above-mentioned brightness impression measurement unit and above-mentioned user's interface; In order to receive above-mentioned a plurality of brightness sensing signal and above-mentioned user's setting signal; And go out the average environment brightness value, and in the table of comparisons, find out corresponding certain luminance control signal according to the variable value of above-mentioned average environment brightness value and above-mentioned user definition according to above-mentioned a plurality of brightness sensing calculated signals; And
Brightness control unit is coupled to above-mentioned processing unit and aforementioned display device, in order to adjust the display brightness of aforementioned display device automatically according to above-mentioned certain luminance control signal.
6. portable electron device according to claim 5 is characterized in that, the above-mentioned table of comparisons comprises a plurality of ambient light illumination values and corresponding a plurality of adjustment exponent number value and a plurality of brightness control signal, and above-mentioned processing unit comprises:
Computation subunit is in order to go out above-mentioned average environment brightness value according to above-mentioned a plurality of brightness sensing calculated signals; And
The comparer unit; Be coupled to the aforementioned calculation subelement; In order to compare the above-mentioned average environment brightness value and the above-mentioned table of comparisons; In above-mentioned a plurality of adjustment exponent number values, to find out the first adjustment exponent number value corresponding to above-mentioned average environment brightness value; The aforementioned calculation subelement produces the second adjustment exponent number value according to the variable value of above-mentioned first adjustment exponent number value and above-mentioned user definition, and the above-mentioned second adjustment exponent number value and the above-mentioned table of comparisons compared in above-mentioned comparer unit, in above-mentioned a plurality of brightness control signals, to find out the above-mentioned certain luminance control signal corresponding to the above-mentioned second adjustment exponent number value.
7. portable electron device according to claim 6 is characterized in that, above-mentioned comparer unit comprises:
Whether determining device has reached maximum adjustment exponent number value or minimum adjustment exponent number value in order to judge the above-mentioned second adjustment exponent number value;
Setting apparatus is coupled to above-mentioned determining device, if the judged result of above-mentioned determining device is for being, above-mentioned setting apparatus will the above-mentioned second adjustment exponent number value be set at above-mentioned maximum adjustment exponent number value or above-mentioned minimum is adjusted the exponent number value; And
Comparative device; Be coupled to above-mentioned setting apparatus, in order in above-mentioned a plurality of brightness control signals, to find out above-mentioned certain luminance control signal corresponding to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value according to above-mentioned maximum adjustment exponent number value or above-mentioned minimum adjustment exponent number value.
8. portable electron device according to claim 7; It is characterized in that; Above-mentioned maximum adjustment exponent number value and above-mentioned minimum adjustment exponent number value correspond respectively to the maximum display brightness or the minimum display brightness of aforementioned display device, and above-mentioned brightness control unit is above-mentioned maximum display brightness or above-mentioned minimum display brightness according to the above-mentioned display brightness of above-mentioned certain luminance control signal control aforementioned display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100845964A CN102737611A (en) | 2011-04-01 | 2011-04-01 | Method for automatically adjusting brightness of display and portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100845964A CN102737611A (en) | 2011-04-01 | 2011-04-01 | Method for automatically adjusting brightness of display and portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102737611A true CN102737611A (en) | 2012-10-17 |
Family
ID=46992991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100845964A Pending CN102737611A (en) | 2011-04-01 | 2011-04-01 | Method for automatically adjusting brightness of display and portable electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102737611A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766591A (en) * | 2015-04-12 | 2015-07-08 | 南京巨鲨显示科技有限公司 | Displayer with ambient light self-adaption function and work procedure thereof |
| CN105405427A (en) * | 2015-12-04 | 2016-03-16 | 小米科技有限责任公司 | Facility brightness adjustment method and device |
| CN106057171A (en) * | 2016-07-21 | 2016-10-26 | 广东欧珀移动通信有限公司 | Control method and device |
| CN104424914B (en) * | 2013-08-27 | 2017-05-24 | 联想(北京)有限公司 | Method and device for backlight adjustment |
| CN109448665A (en) * | 2018-12-28 | 2019-03-08 | 广州驰亚电子科技有限公司 | Portable display with automatic regulating lightness and picture automatic rotation function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6870529B1 (en) * | 2002-03-28 | 2005-03-22 | Ncr Corporation | System and method for adjusting display brightness levels according to user preferences |
| CN1755793A (en) * | 2004-09-29 | 2006-04-05 | 南京Lg同创彩色显示系统有限责任公司 | Display device capable of automatically adjusting brightness and adjusting method thereof |
| CN101000754A (en) * | 2006-01-10 | 2007-07-18 | 明基电通股份有限公司 | Method for regulating brightness of display |
| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| US20100207886A1 (en) * | 2009-02-13 | 2010-08-19 | Samsung Electronics Co., Ltd. | Apparatus and method for reducing battery power consumption in a portable terminal |
-
2011
- 2011-04-01 CN CN2011100845964A patent/CN102737611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6870529B1 (en) * | 2002-03-28 | 2005-03-22 | Ncr Corporation | System and method for adjusting display brightness levels according to user preferences |
| CN1755793A (en) * | 2004-09-29 | 2006-04-05 | 南京Lg同创彩色显示系统有限责任公司 | Display device capable of automatically adjusting brightness and adjusting method thereof |
| CN101000754A (en) * | 2006-01-10 | 2007-07-18 | 明基电通股份有限公司 | Method for regulating brightness of display |
| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| US20100207886A1 (en) * | 2009-02-13 | 2010-08-19 | Samsung Electronics Co., Ltd. | Apparatus and method for reducing battery power consumption in a portable terminal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104424914B (en) * | 2013-08-27 | 2017-05-24 | 联想(北京)有限公司 | Method and device for backlight adjustment |
| CN104766591A (en) * | 2015-04-12 | 2015-07-08 | 南京巨鲨显示科技有限公司 | Displayer with ambient light self-adaption function and work procedure thereof |
| CN105405427A (en) * | 2015-12-04 | 2016-03-16 | 小米科技有限责任公司 | Facility brightness adjustment method and device |
| CN106057171A (en) * | 2016-07-21 | 2016-10-26 | 广东欧珀移动通信有限公司 | Control method and device |
| CN106057171B (en) * | 2016-07-21 | 2019-05-24 | Oppo广东移动通信有限公司 | Control method and control device |
| CN109448665A (en) * | 2018-12-28 | 2019-03-08 | 广州驰亚电子科技有限公司 | Portable display with automatic regulating lightness and picture automatic rotation function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102097056B (en) | Electronic device and method for controlling backlight brightness | |
| US20210082373A1 (en) | Method for correcting brightness of display panel and apparatus for correcting brightness of display panel | |
| JP6727622B2 (en) | Method for detecting brightness of terminal and ambient light | |
| US10783835B2 (en) | Automatic control of display brightness | |
| CN106257581A (en) | User terminal apparatus and the method being used for adjusting brightness thereof | |
| JP2018531419A6 (en) | Method for detecting brightness of terminal and ambient light | |
| CN107948308B (en) | Intelligent real-time dynamic display brightness adjusting system and method for display device | |
| WO2015074201A1 (en) | Method and apparatus for regulating backlight brightness, and electronic device | |
| CN102737611A (en) | Method for automatically adjusting brightness of display and portable electronic device | |
| WO2019042279A1 (en) | Method and device for controlling screen brightness, terminal, and computer readable storage medium | |
| CN106060285A (en) | Backlight control method and device, and mobile terminal | |
| TWI386910B (en) | Display device and method for adjusting the luminance thereof | |
| CN108401078B (en) | Backlight brightness adjusting method and device, mobile terminal and readable storage medium | |
| CN111857484B (en) | Screen brightness adjusting method and device, electronic equipment and readable storage medium | |
| KR102623342B1 (en) | Method and apparatus for controlling brightness of display in electronic device | |
| CN106778623A (en) | A kind of terminal screen control method, device and electronic equipment | |
| CN106033666A (en) | Information processing method and electronic equipment | |
| CN203537612U (en) | Intelligent background lighting system | |
| CN106855744A (en) | A kind of screen display method and mobile terminal | |
| CN112153788A (en) | Illumination adjusting method and system | |
| TWI425496B (en) | Method of automatically adjusting display lightness, portable electronic apparatus, and computer readable storage medium | |
| WO2022267978A1 (en) | Backlight value adjustment method, and processor, display terminal and storage medium | |
| CN104837240B (en) | Desktop illuminance intelligent regulating device and method | |
| CN112333900A (en) | Method and system for intelligently supplementing light and eliminating shadow | |
| CN112235912B (en) | Illumination adjusting method and system based on user picture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |