CN101000754A - Method for regulating brightness of display - Google Patents
Method for regulating brightness of display Download PDFInfo
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- CN101000754A CN101000754A CN 200610004868 CN200610004868A CN101000754A CN 101000754 A CN101000754 A CN 101000754A CN 200610004868 CN200610004868 CN 200610004868 CN 200610004868 A CN200610004868 A CN 200610004868A CN 101000754 A CN101000754 A CN 101000754A
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Abstract
A method for regulating brightness of display includes utilizing light sensing component to detect ambient brightness, deciding display brightness according to preset regulation curve of display brightness; judging whether display brightness is regulated by user or not and obtaining automatic regulation curve of display brightness according to display brightness desired by user and current ambient brightness detected by light sensing component.
Description
Technical field
The invention relates to a kind of method for regulating brightness of display, and particularly about adjusting curve so that the method for regulating brightness of display of the required display brightness of user to be provided by changing display brightness.
Background technology
General display has optical sensing subassembly, in order to the luminance difference of automatic adjustment display screen and context, its objective is for fear of excessive because of both light and shade differences, and causes user's the tired discomfort of eyes.
Please refer to Fig. 1, curve map is adjusted in its brightness that is depicted as the traditional monitor optical sensing subassembly.Traditional display is to adjust curve S according to display brightness to provide the user to select several default display brightness variation ranges for use, for example be low-light level workspace (secretly), middle brightness workspace (in) and high brightness workspace (bright) three kinds of brightness viewing areas.Under the operation of low-light level workspace, when the ambient brightness value of overstepping the extreme limit Le1, display brightness promptly is fixed on the Lm1 value, under the operation of middle brightness workspace, when the ambient brightness value of overstepping the extreme limit Le2, display brightness promptly is fixed on the Lm2 value, and under the operation of high brightness workspace, when the ambient brightness value of overstepping the extreme limit Le3, display brightness promptly is fixed on the Lm3 value, wherein ambient brightness ultimate value Le1＜Le2＜Le3, and display brightness value Lm1＜Lm2＜Lm3.
Yet, traditional display only can provide several default brightness viewing areas and limit of brightness value, and can't adjust brightness viewing area and definition display brightness adjustment curve respectively according to prevailing circumstances light and shade and user's demand, reduce the selectivity of user greatly to display brightness.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of method for regulating brightness of display, and display brightness that can be required according to the user, and the detected ambient brightness of optical sensing subassembly are at that time come to such an extent that come from and order display brightness and adjust curve.Therefore, the present invention can allow the user adjust curve from ordering display brightness, be not limited to the default brightness viewing area of tradition, and then the required display brightness of adjustment user, and do optimal setting according to prevailing circumstances light and shade and user's itself hobby and demand fully, improve the dynamic adjustment and the diversity of display brightness.
According to purpose of the present invention, a kind of method for regulating brightness of display is proposed, be used on the display, display comprises optical sensing subassembly, the method comprises: utilize the brightness of optical sensing subassembly testing environment, and adjust curve according to default display brightness, with the brightness of decision display; Judge whether the user adjusts the brightness of this display, and the display brightness required, and the detected ambient brightness of optical sensing subassembly at that time, must come from and order display brightness and adjust curve according to the user.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Curve map is adjusted in the brightness that Figure 1 shows that the traditional monitor optical sensing subassembly.
Fig. 2 illustrates a kind of method for regulating brightness of display process flow diagram according to one embodiment of the present invention.
Fig. 3 illustrates a kind of method for regulating brightness of display detail flowchart according to one embodiment of the present invention.
Fig. 4 illustrates the adjustment synoptic diagram of adjusting curve according to one embodiment of the present invention display brightness.
Embodiment
Please be simultaneously with reference to Fig. 2 and Fig. 4.Fig. 2 illustrates a kind of method for regulating brightness of display process flow diagram according to one embodiment of the present invention.Fig. 4 illustrates the adjustment synoptic diagram of adjusting curve according to the display brightness of one embodiment of the present invention.At first, in step 210, display can utilize optical sensing subassembly, for example being the photoresistance sensor, detecting ambient brightness Le0 at that time, for example is 100 lumens, and,, for example be 90 lumens with the brightness Lm0 of decision display according to default display brightness adjustment curve S 1.It for example is in the look-up table (Lookup Table) that is recorded in controller that default display brightness is adjusted curve S 1.Then, in step 220, show directly that with screen (On-screen Display, OSD) mode shows that one adjusts menu, provides the user to determine whether to adjust the brightness of display.If the user selects not adjust display brightness, then display promptly utilizes default display brightness to adjust curve S 1, and the ambient brightness that detects at that time according to optical sensing subassembly provides its display brightness.If the user selects to adjust display brightness, for example display brightness is turned down to Lm1,80 lumens for example, the display brightness (80 lumens) that then display can be required according to the user, reach the detected ambient brightness of optical sensing subassembly at that time, still original ambient brightness Le0 for example comes to such an extent that come from and order display brightness and adjust curve S 2.At last, display utilizes the brightness of optical sensing subassembly testing environment, and adjusts curve S 2 according to ordering display brightness certainly, with the brightness of decision display.Therefore, display can provide from the display brightness of ordering and adjust curve according to the required display brightness of user, improves convenience and diversity that the user adjusts display brightness.
Please be simultaneously with reference to Fig. 3 and Fig. 4.Fig. 3 illustrates a kind of method for regulating brightness of display detail flowchart according to one embodiment of the present invention.Before step 210, method for regulating brightness of display comprises that also the brightness of judging display adjusts function and whether be activated (shown in step 200), if not, and method ends then.If then carry out above-mentioned step 210 and step 220.In addition, step 220 also comprises step 230,232,234 and 236.In step 230, show directly that with screen (On-screenDisplay, OSD) mode shows that one adjusts menu, provides the user to determine whether to adjust the brightness of display.If not, then get back to step 210.If, then continuing step 232, when the user selects display brightness is turned down to Lm1, for example is 80 Lhr.s, display can judge display brightness adjustment rate Rm (=(Lm0-Lm1)/Lm0) whether surpass the luminance errors scope of optical sensor, for example be ± 5%.If display brightness adjustment rate Rm is in the luminance errors scope, then represent luminance errors that display can't differentiate Lm1 and original display brightness value Lm0 and the optical sensor difference of environmental change to external world, therefore, get back to step 210, utilize default display brightness to adjust curve S 1, and brightness provide display brightness according to prevailing circumstances.If display brightness adjustment rate Rm surpasses the luminance errors scope, for example Rm=(Lm0-Lm1)/Lm0=(90-80)/90=11% has surpassed 5% of error range.Therefore, continue step 234, utilize optical sensing subassembly to detect and obtain stable ambient brightness Le0.At this moment, display can utilize optical sensing subassembly detection ambient brightness at that time again, until obtain till the stable ambient brightness, for example is the ambient brightness Le0 of 100 lumens.
Then, in step 236, display brightness (Lm1) and stable at that time ambient brightness (Le0) that display is selected according to the user are ordered display brightness adjustment curve coming from.For example be shown in Figure 4, utilize (Le0, Lm1) and the brightness true origin (0,0) of adjusting curve S 1 calculate to produce and adjust curve S 2 from ordering display brightness.The present invention can also curve supply (curve feeding) mode produce the above-mentioned display brightness of ordering certainly and adjust curve.
Moreover, in step 242, required as to come from when ordering display brightness and adjusting curve S 2 according to the user when display, the data recording that display can be adjusted curve S 2 with this brightness is adjusted curve S 1 to upgrade default display brightness in the look-up table of display internal controller.At last, in step 244, display utilizes the brightness of optical sensing subassembly testing environment, and adjust curve S 2 according to the display brightness of ordering certainly of controller record, with the brightness of decision display, and continue step 200, judge that whether still the brightness of display adjust function startup.If then repeating step 210; If brightness is adjusted function and is closed, method ends then, and the display brightness that is recorded in look-up table is adjusted the default display brightness that curve S 2 adjusts behind the function on for next display brightness and is adjusted curve.
The disclosed a kind of method for regulating brightness of display of the above embodiment of the present invention, display brightness that can be required according to the user, and the detected ambient brightness of optical sensing subassembly are at that time come to such an extent that come from and order display brightness and adjust curve.Therefore, the present invention can allow the user from ordering display brightness, is not limited to default several brightness viewing area of tradition and corresponding display brightness ultimate value.Can do optimal setting according to prevailing circumstances light and shade and user's itself hobby and demand fully, improve the dynamic adjustment and the diversity of display brightness.
In sum; though the present invention with a preferred embodiment openly as above; right its is not in order to limit the present invention; any insider; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the accompanying Claim book person of defining.
Claims (11)
1. a method for regulating brightness of display is used in a display, and this display comprises an optical sensing subassembly, and this method comprises:
(a) utilize this optical sensing subassembly to detect an ambient brightness, and adjust curve, to determine the brightness of this display according to a default display brightness; And
(b) judge whether a user adjusts the brightness of this display, if the display brightness required according to this user, and detected this ambient brightness of this optical sensing subassembly at that time draw one and adjust curve from ordering display brightness.
2. method according to claim 1 is characterized in that, step (b) also comprises by this display and show a menu with the direct display mode of screen whether adjust the brightness of this display for this user's decision.
3. method according to claim 1 is characterized in that, step (b) also comprises:
(b-1) judge that whether this display brightness that this user institute desire adjusts and the adjustment rate of original this display brightness surpass a luminance errors scope of this optical sensing subassembly, if not, then continue step (a);
(b-2) utilize this optical sensing subassembly to detect and obtain this stable ambient brightness; And
(b-3) this display brightness required according to this user, and this stable at that time ambient brightness are ordered display brightness certainly and are adjusted curve to draw this.
4. method according to claim 3 is characterized in that, this luminance errors scope is about ± and 5%.
5. method according to claim 1 is characterized in that, should be to produce according to the curve supply mode from ordering display brightness adjustment curve.
6. method according to claim 1, it is characterized in that, this orders display brightness certainly, and to adjust curve be according to a coordinate points, and promptly this ambient brightness and this user are from this display brightness of ordering and should default display brightness adjust a true origin of curve and the straight line that produces.
7. method according to claim 1 is characterized in that, step (a) comprises also (a-0) judges whether the brightness adjustment function of this display is activated, if, then carry out step (a), if not, then finish this method.
8. method according to claim 7 is characterized in that, comprises that also step (c) utilizes this optical sensing subassembly to detect this ambient brightness, and adjusts curve according to this from ordering display brightness, to determine the brightness of this display.
9. method according to claim 8 is characterized in that this display also comprises a controller, and step (c) also comprises:
(c-1) this display brightness that will order is certainly adjusted curve record in a look-up table of this controller; And
(c-2) utilize this optical sensing subassembly to detect this ambient brightness, and adjust curve from ordering display brightness, determining the brightness of this display, and continue step (a-0) according to this of this controller record.
10. method according to claim 9, it is characterized in that, should default display brightness adjustment curve be to be recorded in this look-up table of this controller, and step (c-1) comprises adjusts curve record in this look-up table with this display brightness of ordering certainly, should default display brightness adjust curve to upgrade.
11. method according to claim 10 is characterized in that, being recorded in this display brightness of upgrading in this look-up table, to adjust curve be that the default display brightness that next display brightness is adjusted behind the function on is adjusted curve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610004868 CN101000754A (en) | 2006-01-10 | 2006-01-10 | Method for regulating brightness of display |
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| CN 200610004868 CN101000754A (en) | 2006-01-10 | 2006-01-10 | Method for regulating brightness of display |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419391B (en) * | 2007-10-24 | 2010-06-02 | 佛山普立华科技有限公司 | System and method for auto adjusting brightness of display |
| CN102737611A (en) * | 2011-04-01 | 2012-10-17 | 和硕联合科技股份有限公司 | Method for automatically adjusting brightness of display and portable electronic device |
| CN101789230B (en) * | 2009-01-24 | 2013-09-04 | 联想(北京)有限公司 | Electronic equipment and display device screen brightness adjusting method thereof |
| US8542182B2 (en) | 2008-02-28 | 2013-09-24 | Kabushiki Kaisha Toshiba | Video display apparatus and video display method |
| CN103956153A (en) * | 2014-04-30 | 2014-07-30 | 华南理工大学 | Method for achieving intelligent device screen brightness control software based on user habits |
| CN104010079A (en) * | 2014-05-14 | 2014-08-27 | 广东明创软件科技有限公司 | Method for lighting screen of mobile phone |
| CN105513566A (en) * | 2016-01-25 | 2016-04-20 | 明基电通有限公司 | Image adjusting method of executing optimal adjustment according to different environments and displayer |
| CN105632455A (en) * | 2014-10-27 | 2016-06-01 | 深圳富泰宏精密工业有限公司 | System and method for automatically adjusting screen brightness |
| CN106484356A (en) * | 2016-11-01 | 2017-03-08 | 北京小米移动软件有限公司 | Adjust the method and device of brightness of image |
| CN106910472A (en) * | 2015-12-23 | 2017-06-30 | 小米科技有限责任公司 | Adjust the control method and device of backlight |
| CN108877741A (en) * | 2018-07-27 | 2018-11-23 | 维沃移动通信有限公司 | A kind of screen luminance adjustment method and terminal device |
| CN110970002A (en) * | 2019-12-17 | 2020-04-07 | Oppo广东移动通信有限公司 | Display screen brightness adjusting method and related device |
| CN111048056A (en) * | 2019-12-19 | 2020-04-21 | 惠州Tcl移动通信有限公司 | Terminal equipment brightness adjusting method and system, storage medium and terminal equipment |
| CN112291633A (en) * | 2019-07-24 | 2021-01-29 | 青岛海信传媒网络技术有限公司 | Method and device for controlling screen brightness of intelligent household equipment |
| CN112365860A (en) * | 2020-10-27 | 2021-02-12 | 深圳Tcl新技术有限公司 | Terminal screen brightness adjusting method, terminal screen brightness adjusting equipment and storage medium |
| CN113866997A (en) * | 2021-09-17 | 2021-12-31 | 深圳技术大学 | Display system |
-
2006
- 2006-01-10 CN CN 200610004868 patent/CN101000754A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419391B (en) * | 2007-10-24 | 2010-06-02 | 佛山普立华科技有限公司 | System and method for auto adjusting brightness of display |
| US8542182B2 (en) | 2008-02-28 | 2013-09-24 | Kabushiki Kaisha Toshiba | Video display apparatus and video display method |
| CN101789230B (en) * | 2009-01-24 | 2013-09-04 | 联想(北京)有限公司 | Electronic equipment and display device screen brightness adjusting method thereof |
| CN102737611A (en) * | 2011-04-01 | 2012-10-17 | 和硕联合科技股份有限公司 | Method for automatically adjusting brightness of display and portable electronic device |
| CN103956153A (en) * | 2014-04-30 | 2014-07-30 | 华南理工大学 | Method for achieving intelligent device screen brightness control software based on user habits |
| CN104010079A (en) * | 2014-05-14 | 2014-08-27 | 广东明创软件科技有限公司 | Method for lighting screen of mobile phone |
| CN105632455A (en) * | 2014-10-27 | 2016-06-01 | 深圳富泰宏精密工业有限公司 | System and method for automatically adjusting screen brightness |
| CN106910472B (en) * | 2015-12-23 | 2021-04-02 | 小米科技有限责任公司 | Control method and device for adjusting backlight |
| CN106910472A (en) * | 2015-12-23 | 2017-06-30 | 小米科技有限责任公司 | Adjust the control method and device of backlight |
| CN105513566A (en) * | 2016-01-25 | 2016-04-20 | 明基电通有限公司 | Image adjusting method of executing optimal adjustment according to different environments and displayer |
| CN106484356A (en) * | 2016-11-01 | 2017-03-08 | 北京小米移动软件有限公司 | Adjust the method and device of brightness of image |
| CN108877741A (en) * | 2018-07-27 | 2018-11-23 | 维沃移动通信有限公司 | A kind of screen luminance adjustment method and terminal device |
| CN112291633A (en) * | 2019-07-24 | 2021-01-29 | 青岛海信传媒网络技术有限公司 | Method and device for controlling screen brightness of intelligent household equipment |
| CN112291633B (en) * | 2019-07-24 | 2023-03-24 | Vidaa(荷兰)国际控股有限公司 | Method and device for controlling screen brightness of intelligent household equipment |
| CN110970002A (en) * | 2019-12-17 | 2020-04-07 | Oppo广东移动通信有限公司 | Display screen brightness adjusting method and related device |
| CN111048056A (en) * | 2019-12-19 | 2020-04-21 | 惠州Tcl移动通信有限公司 | Terminal equipment brightness adjusting method and system, storage medium and terminal equipment |
| CN112365860A (en) * | 2020-10-27 | 2021-02-12 | 深圳Tcl新技术有限公司 | Terminal screen brightness adjusting method, terminal screen brightness adjusting equipment and storage medium |
| CN113866997A (en) * | 2021-09-17 | 2021-12-31 | 深圳技术大学 | Display system |
| CN113866997B (en) * | 2021-09-17 | 2023-10-24 | 深圳技术大学 | Display system |
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