CN101354869A - Device and method for automatically adjusting display lighteness according to input signal - Google Patents
Device and method for automatically adjusting display lighteness according to input signal Download PDFInfo
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- CN101354869A CN101354869A CNA2008101964723A CN200810196472A CN101354869A CN 101354869 A CN101354869 A CN 101354869A CN A2008101964723 A CNA2008101964723 A CN A2008101964723A CN 200810196472 A CN200810196472 A CN 200810196472A CN 101354869 A CN101354869 A CN 101354869A
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Abstract
The invention discloses an adjusting device which can adjust the brightness of a display automatically according to input signals. The adjusting device comprises an input signal detecting part, a micro control unit (MCU) computing and judging part, a brightness display outputting and configuring part and a panel background light regulating part, wherein the input signal detecting part detects and outputs horizontal brightness of the input signals to the MCU computing and judging part; the MCU computing and judging part calculates the brightness of the input signals and makes a logical judgment with a set value so as to set the output brightness according to the judgment result; and the brightness display outputting and configuring part receives a set value sent by the MCU computing and judging part to set a background light source, and changes the brightness of an output picture dynamically through the panel background light regulating part. The adjusting device automatically adjusts the background light source to change the display brightness according to the change of the display brightness outputted by a video card so as to prevent the user from feeling that the picture is not clear or the eyes feel uncomfortable due to an over-bright or over-dark input picture.
Description
Technical field
The present invention relates to a kind of regulating device and control method of display brightness, specifically a kind of regulating device and control method of adjusting display brightness according to input signal automatically.
Background technology
Existing display adopts unified bias light brightness without exception when display brightness, the input picture brightness is not analyzed dynamically to change output brightness.When the user uses display, need to show various pictures that because all input signals all use same brightness, when display frame was relatively darker, the user wished to improve brightness to see easily the details of dark picture clearly; When display frame was brighter, the user wished that suitable Dimming is not to stimulate eyes.
The shortcoming of existing this brightness display mode is: cross when dark when display frame, the user can can't see picture detail clearly; Cross when bright when display frame, eyes of user can feel under the weather; And when adjusting brightness by screen menu type regulative mode (OSD regulative mode), display can only be fixed in the brightness, can't adjust display brightness automatically according to input signal.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this invention is to provide a kind of regulating device and control method of adjusting display brightness according to input signal automatically.The background light source that the present invention regulates display automatically according to the variation of video card output picture brightness changes display brightness, crosses dark or crosses that the user feels that picture is unintelligible or eyes are uncomfortable when bright to avoid importing picture.
The objective of the invention is to be achieved through the following technical solutions:
A kind of adjusting device according to the input signal auto adjusting brightness of display is characterized in that: it comprises that input signal detection part, micro-control unit calculate the judgment part, brightness shows that output arranges part and panel (PANEL) bias light adjustment member; Input signal detection partly detects the level brightness of input signal and exports to micro-control unit and calculate the judgment part; Micro-control unit (MCU) calculates the brightness that input signal is calculated in the judgment part, and carries out logic with setting value and judge, according to judged result output brightness is set; Brightness show that output arranges that part receives that micro-control unit calculates that the judgment part sends over settings, background light source is set, and the brightness by panel bias light adjustment member Dynamic change output picture.
Among the present invention, the input signal detection part is exported to micro-control unit by iic bus with the level brightness of input signal and is calculated the judgment part.Micro-control unit calculating judgment part is also exported to brightness by iic bus with the brightness value that arranges and is shown that output arranges part.
A kind ofly adjust the control method of the regulating device of display brightness automatically, it is characterized in that it may further comprise the steps according to input signal:
1) input signal detection partly detects the level brightness of input signal and exports to micro-control unit and calculate the judgment part.
2) micro-control unit calculates the brightness that input signal is calculated in the judgment part, and carries out logic with setting value and judge, according to judged result output brightness is set; Darker when display frame, i.e. it is lower in limited time for excessively dark that brightness is lower than setting value, improves output brightness; When display frame is brighter, i.e. it is upper in limited time for excessively bright that brightness is higher than setting value, reduces output brightness; When display frame brightness is normal for brightness between setting value lower limit and the upper limit, press original value output brightness.
3) brightness shows that output arranges part and receives the brightness settings that micro-control unit calculating judgment part sends over, and background light source is set.
4) panel bias light adjustment member is according to the brightness of brightness settings Dynamic change output picture.
When the present invention uses display the user, can select to adjust brightness or manual setting brightness demonstration automatically according to the input picture.When the input picture was darker or brighter, the user can select DazzlingCare On in the OSD menu, and display can change the brightness of input bias light automatically according to the brightness of input picture.
The background light source that the present invention regulates display automatically according to the variation of video card output picture brightness changes display brightness, crosses dark or crosses that the user feels that picture is unintelligible or eyes are uncomfortable when bright to avoid importing picture.
Description of drawings
Fig. 1 is a structural representation of adjusting the regulating device of display brightness according to input signal automatically of the present invention.
Fig. 2 is a control method process flow diagram of adjusting the regulating device of display brightness according to input signal automatically.
Embodiment
A kind of adjusting device according to the input signal auto adjusting brightness of display is seen Fig. 1, and it comprises that input signal detection part 1, micro-control unit calculate judgment part 2, brightness shows that output arranges part 3 and panel bias light adjustment member 4.Input signal detection part 1 detects the level brightness of input signal and exports to micro-control unit and calculate judgment part 2; Micro-control unit calculates the brightness that input signal is calculated in judgment part 2, and carries out logic with setting value and judge, according to judged result output brightness is set; Brightness show that output arranges that part 3 receives that micro-control units calculate that judgment parts 2 send over settings, background light source is set, and the brightness by panel bias light adjustment member 4 Dynamic changes output picture.
Input signal detection part 1 is exported to micro-control unit by iic bus (being the serial data transmission configuration bus) with the level brightness of input signal and is calculated judgment part 2.Micro-control unit calculating judgment part 2 is also exported to brightness by iic bus with the brightness value that arranges and is shown that output arranges part 3.
A kind ofly adjust the control method of the regulating device of display brightness automatically according to input signal, see Fig. 2, it may further comprise the steps:
1) input signal detection partly detects the level brightness of input signal and exports to micro-control unit and calculate the judgment part.
2) micro-control unit calculates the brightness that input signal is calculated in the judgment part, and carries out logic with setting value and judge, according to judged result output brightness is set; Darker when display frame, i.e. it is lower in limited time for excessively dark that brightness is lower than setting value, improves output brightness; When display frame is brighter, i.e. it is upper in limited time for excessively bright that brightness is higher than setting value, reduces output brightness; When display frame brightness is normal for brightness between setting value lower limit and the upper limit, press original value output brightness.
3) brightness shows that output arranges part and receives the brightness settings that micro-control unit calculating judgment part sends over, and background light source is set.
4) panel bias light adjustment member is according to the brightness of brightness settings Dynamic change output picture.
The background light source that the present invention regulates display automatically according to the variation of video card output picture brightness changes display brightness, crosses dark or crosses that the user feels that picture is unintelligible or eyes are uncomfortable when bright to avoid importing picture, reaches best visual effect.
Claims (4)
1, a kind ofly adjust the regulating device of display brightness automatically according to input signal, it is characterized in that: it comprises that input signal detection part (1), micro-control unit calculate judgment part (2), brightness shows that output is provided with part (3) and panel bias light adjustment member (4); Input signal detection part (1) detects the level brightness of input signal and exports to micro-control unit and calculate judgment part (2); Micro-control unit calculates the brightness that input signal is calculated in judgment part (2), and carries out logic determines with setting value, according to judged result output brightness is set; Brightness show that output is provided with that part (3) receives that micro-control unit calculates that judgment parts (2) send over the value of setting, background light source is set, and dynamically changes the brightness of output picture by panel bias light adjustment member (4).
2, according to claim 1ly adjust the regulating device of display brightness automatically according to input signal, it is characterized in that: input signal detection part (1) is exported to micro-control unit by iic bus with the level brightness of input signal and is calculated judgment part (2).
3, a kind ofly adjust the control method of the regulating device of display brightness automatically, it is characterized in that it may further comprise the steps according to input signal:
1) input signal detection partly detects the level brightness of input signal and exports to micro-control unit and calculate the judgment part;
2) micro-control unit calculates the brightness that input signal is calculated in the judgment part, and carries out logic with setting value and judge, according to judged result output brightness is set;
3) brightness shows that output arranges part and receives the brightness settings that micro-control unit calculating judgment part sends over, and background light source is set;
4) panel bias light adjustment member is according to the brightness of brightness settings Dynamic change output picture.
4, the control method of the adjusting device according to the input signal auto adjusting brightness of display according to claim 3 is characterized in that: step 2) in, darker when display frame, i.e. it is lower in limited time for excessively dark that brightness is lower than setting value, the raising output brightness; When display frame is brighter, i.e. it is upper in limited time for excessively bright that brightness is higher than setting value, reduces output brightness; When display frame brightness is normal for brightness between setting value lower limit and the upper limit, press original value output brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101964723A CN101354869A (en) | 2008-09-09 | 2008-09-09 | Device and method for automatically adjusting display lighteness according to input signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101964723A CN101354869A (en) | 2008-09-09 | 2008-09-09 | Device and method for automatically adjusting display lighteness according to input signal |
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| CN101354869A true CN101354869A (en) | 2009-01-28 |
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| CNA2008101964723A Pending CN101354869A (en) | 2008-09-09 | 2008-09-09 | Device and method for automatically adjusting display lighteness according to input signal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800027A (en) * | 2010-01-20 | 2010-08-11 | 深圳市显科科技有限公司 | Light intensity adjusting method of outdoor high-brightness LED display screen |
| CN103733605A (en) * | 2011-07-01 | 2014-04-16 | 英特尔公司 | Adaptive text font and image adjustments in smart handheld devices for improved usability |
| CN104064163A (en) * | 2014-06-24 | 2014-09-24 | 中科创达软件股份有限公司 | Display screen brightness control method and device |
| CN113542851A (en) * | 2021-07-09 | 2021-10-22 | Vidaa美国公司 | Menu refreshing method and display device |
-
2008
- 2008-09-09 CN CNA2008101964723A patent/CN101354869A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800027A (en) * | 2010-01-20 | 2010-08-11 | 深圳市显科科技有限公司 | Light intensity adjusting method of outdoor high-brightness LED display screen |
| CN103733605A (en) * | 2011-07-01 | 2014-04-16 | 英特尔公司 | Adaptive text font and image adjustments in smart handheld devices for improved usability |
| CN103733605B (en) * | 2011-07-01 | 2018-01-05 | 英特尔公司 | For the system and device of the adaptive vision-control in the equipment of availability |
| CN104064163A (en) * | 2014-06-24 | 2014-09-24 | 中科创达软件股份有限公司 | Display screen brightness control method and device |
| CN104064163B (en) * | 2014-06-24 | 2017-09-01 | 中科创达软件股份有限公司 | The control method and device of a kind of brightness of display screen |
| CN113542851A (en) * | 2021-07-09 | 2021-10-22 | Vidaa美国公司 | Menu refreshing method and display device |
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Open date: 20090128 |