CN103137074A - Energy-saving method and device for displayer and displayer - Google Patents
Energy-saving method and device for displayer and displayer Download PDFInfo
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- CN103137074A CN103137074A CN2011103898179A CN201110389817A CN103137074A CN 103137074 A CN103137074 A CN 103137074A CN 2011103898179 A CN2011103898179 A CN 2011103898179A CN 201110389817 A CN201110389817 A CN 201110389817A CN 103137074 A CN103137074 A CN 103137074A
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Abstract
The invention belongs to the technical field of displayers, and discloses an energy-saving method and a device for a displayer and the displayer. The method comprises the steps of collecting data in a front frame image signal and a back frame image signal which are output by the displayer, judging whether the front frame image signal and the back frame image signal are the same one according to the data in the front frame image signal and the back frame image signal, if the front frame image signal and the back frame image signal are the same one, outputting a backlight source control signal, and closing a backlight source or reducing luminance of the backlight source according to the backlight control signal. According to collection of the data in the front frame image signal and the back frame image signal which are output by the displayer, identity of the front frame image signal and the back frame image signal is judged, if the front frame image signal and the rear frame image signal are the same one, the backlight source control signal is output, the backlight source is controlled to be closed or the luminance of the backlight source is reduced, and therefore autonomous energy conservation of the displayer is achieved.
Description
Technical field
The invention belongs to the display technology field, be specifically related to a kind of power-economizing method, device and display of display.
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Background technology
Generally, mostly the display standby is to detect to realize by the PC source, controls as the detecting attonity and enters park mode.If but input source is when being DVD, USB Card etc. without the input source of higher position reason ability, display can't be realized autonomous energy-conservation.
Summary of the invention
The object of the present invention is to provide a kind of power-economizing method, device and display of display, the front and back frame signal of exporting in a period of time by autonomous detecting comparison display whether one show judge input source whether have action to determine whether reducing backlight illumination or close backlight carry out energy-conservation.
The present invention is achieved in that a kind of power-economizing method of display, comprises the following steps:
Data in the front and back frame image signal of collection display output;
Judge according to the data in the frame image signal of described front and back whether described front and back frame image signal is same;
In the same rear output backlight control signal of judgement described front and back frame image signal;
Close backlight or reduce back light source brightness according to described backlight control signal.
The object of the present invention is to provide a kind of energy saver of display, include:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit, and be judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
The present invention also aims to provide a kind of display, include the energy saver of display, the energy saver of described display includes:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit, and be judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
The present invention is by the data in the front and back frame image signal that gathers display output, the front and back frame image signal is carried out the homogeneity judgement, and the same rear output control signal control backlight of frame image signal is closed backlight or reduces back light source brightness before and after judgement, thereby realized the independently energy-conservation of display.
Description of drawings
Fig. 1 is the process flow diagram of the power-economizing method of a kind of display of providing of the embodiment of the present invention;
Fig. 2 is the structural representation of the energy saver of a kind of display of providing of the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.
The present invention during by display work relatively before and after output port is in a certain period the difference of two field picture output signal judge whether input source has action and when judgement is not moved, enter energy saver mode.
The present invention is achieved in that shown in Figure 1, and a kind of power-economizing method of display comprises the following steps:
1, the data in the front and back frame image signal of collection display output;
Described data refer to the data block (DATA BLOCK) in frame image signal, when gathering, at first gather the data in current frame image signal, then gather the data in the second frame image signal, and all store, and are convenient to next step homogeneity judgement;
2, judge according to the data in described frame image signal whether described front and back frame image signal is same;
3, in the same rear output backlight control signal of judgement described front and back frame image signal;
4, close backlight or reduce back light source brightness according to described backlight control signal.
Referring to Fig. 1, the embodiment of the present invention is non-with for the moment at judgement described front and back frame image signal, returns to data in the front and back frame image signal that continues to gather display output with the homogeneity of frame image signal before and after judgement.
Still referring to Fig. 1, the embodiment of the present invention is after judging that described front and back frame image signal is same, and before output backlight control signal, described method is further comprising the steps:
The duration that is judged as same frame image signal is begun timing;
Reach default time output backlight control signal during threshold values in timing.
Referring to Fig. 1, the embodiment of the present invention does not reach default time during threshold values in timing, and described method is further comprising the steps:
Return to the data in the front and back frame image signal that continues the output of collection display, and carry out continuously timing on the basis of original timing numerical value.
Referring to Fig. 2, a kind of energy saver of display includes:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), the data that are used for the front and back frame image signal that gathers according to the output signal detecting unit judge whether described front and back frame image signal is same, and are being judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
In concrete scheme, described processing and control element (PCE) includes:
The frame image signal judge module, whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit;
Timing module is used for judging that at the frame image signal judge module described front and back frame image signal is judged as the duration timing of same frame image signal to this for the moment for same;
Backlight control signal output module is used for reaching default time output backlight control signal during threshold values in the timing module timing.
The embodiment of the present invention also provides a kind of display, includes the energy saver of display, and is shown in Figure 2, and the energy saver of described display includes:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit, and be judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
Wherein, described processing and control element (PCE) specifically includes:
The frame image signal judge module, whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit;
Timing module is used for judging that at the frame image signal judge module described front and back frame image signal is judged as the duration timing of same frame image signal to this for the moment for same;
Backlight control signal output module is used for reaching default time output backlight control signal during threshold values in the timing module timing.
Below in conjunction with Fig. 1 and Fig. 2, principle of work of the present invention and flow process are described in detail as follows:
Referring to Fig. 1 and Fig. 2, after opening the energy saver mode of display of the present invention, the output signal detecting unit gathers, the data of detecting in the output frame picture signal of display output terminal, at first the data that gather in last frame signal are stored in buffer, and then the data in collection next frame signal, the frame image signal judge module of processing and control element (PCE) compares the data in the data in the next frame output signal and former frame output signal; If the data in two frame signals are different, before and after illustrating, frame image signal output changes, and returns to detecting initial, continues detecting; If the data in the output frame signal are identical, can judge that the display output content does not change, namely input source keeps single image (unchanged image) for a long time; At this moment, timing module begins the size (i.e. the duration of default no signal variation) of timing and comparison present timing value and pre-set threshold value; Continue detecting if return during less than pre-set threshold value, and carry out continuously timing on the basis of original timing numerical value, when clocking value reaches pre-set threshold value, backlight control signal output module output control signal is to backlight driver unit reduction back light source brightness or directly close backlight, thereby realizes independently energy-conservation.
During concrete the utilization, also can be according to user's different demands, at the screen menu type regulative mode OSD(on-screen of display display) in set several different modes for user's choice for uses: reading model, game mode, conference model etc., its essence is exactly to regulate the time gear of timing module by processing and control element (PCE), to realize reply user's different demands.
The output end signal of the present invention by monitoring display itself has or not and carries out energy-conservationly, realized independently energy-conservation take display as initiating terminal, realized by the display oneself control independently energy-conservation, make display function more powerful.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the power-economizing method of a display, is characterized in that, comprises the following steps:
Data in the front and back frame image signal of collection display output;
Judge according to the data in the frame image signal of described front and back whether described front and back frame image signal is same;
In the same rear output backlight control signal of judgement described front and back frame image signal;
Close backlight or reduce back light source brightness according to described backlight control signal.
2. the power-economizing method of display according to claim 1, is characterized in that, after judging that described front and back frame image signal is same, before output backlight control signal, described method is further comprising the steps:
The duration that is judged as same frame image signal is begun timing;
Reach default time output backlight control signal during threshold values in timing.
3. the power-economizing method of display according to claim 2, is characterized in that, do not reach default time during threshold values in timing, and described method is further comprising the steps:
Return to the data in the front and back frame image signal that continues the output of collection display, and carry out continuously timing on the basis of original timing numerical value.
4. the energy saver of a display, is characterized in that, includes:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit, and be judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
5. the energy saver of display according to claim 4, is characterized in that, described processing and control element (PCE) includes:
The frame image signal judge module, whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit;
Timing module is used for judging that at the frame image signal judge module described front and back frame image signal is judged as the duration timing of same picture signal to this for the moment for same;
Backlight control signal output module is used for reaching default time output backlight control signal during threshold values in the timing module timing.
6. a display, is characterized in that, includes the energy saver of display, and the energy saver of described display includes:
The output signal detecting unit is for the data of the front and back frame image signal that gathers display output;
Processing and control element (PCE), whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit, and be judged as same rear output backlight control signal;
The backlight driver unit is used for closing backlight or reducing back light source brightness according to the backlight control signal of processing and control element (PCE) output.
7. a kind of display according to claim 6, is characterized in that, described processing and control element (PCE) includes:
The frame image signal judge module, whether same for frame image signal before and after the data judgement of the front and back frame image signal that gathers according to the output signal detecting unit;
Timing module is used for judging that at the frame image signal judge module described front and back frame image signal is judged as the duration timing of same picture signal to this for the moment for same;
Backlight control signal output module is used for reaching default time output backlight control signal during threshold values in the timing module timing.
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| CN2011103898179A CN103137074A (en) | 2011-11-30 | 2011-11-30 | Energy-saving method and device for displayer and displayer |
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| CN2011103898179A CN103137074A (en) | 2011-11-30 | 2011-11-30 | Energy-saving method and device for displayer and displayer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110599956A (en) * | 2019-09-19 | 2019-12-20 | 昆山国显光电有限公司 | Display device and method for adjusting display brightness of display device |
| CN111026234A (en) * | 2019-11-21 | 2020-04-17 | Tcl华星光电技术有限公司 | Display and desktop computer |
| CN112306212A (en) * | 2020-10-29 | 2021-02-02 | 西安万像电子科技有限公司 | Terminal control method and device |
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Application publication date: 20130605 |