CN102298899A - Display power saving method and electronic system - Google Patents
Display power saving method and electronic system Download PDFInfo
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- CN102298899A CN102298899A CN2010102051851A CN201010205185A CN102298899A CN 102298899 A CN102298899 A CN 102298899A CN 2010102051851 A CN2010102051851 A CN 2010102051851A CN 201010205185 A CN201010205185 A CN 201010205185A CN 102298899 A CN102298899 A CN 102298899A
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Abstract
The invention discloses a display power saving method and an electronic system. The display power saving method of the electronic system comprises the following steps of: detecting whether a pointing device exists in the electronic system; when the pointing device is detected in the electronic system, obtaining the position, which is displayed in a picture of a display of the electronic system, of a pointer controlled by the pointing device; determining a display area in the picture of the display according to the position of the pointer; judging whether the power management mode of the electronic system is a power saving mode; and if the power management mode of the electronic system is the power saving mode, reducing the brightness of the picture except the display area in the picture of the display.
Description
Technical field
The present invention relates to a kind of display electricity saving method and electronic system, particularly relate to the powder source management mode whether a kind of existence according to an indicator device in the electronic system reaches this electronic system, subregion is adjusted the display electricity saving method and the electronic system of picture brightness of the display of this electronic system.
Background technology
(Organic Light Emitting Diode, OLED) display is the display technology of main flow for LCD and Organic Light Emitting Diode.LCD is utilized the polarisation effect Show Color of liquid crystal molecule, needs light source irradiation liquid crystal panel wherein, as the backlight panel at environment light source or liquid crystal panel rear.Relatively, organic light emitting diode display uses self luminous Organic Light Emitting Diode as display panel, does not need backlight panel, has advantages such as power saving, wide viewing angle, high color contrast, popularizes but be not so good as LCD because of cost is higher.
With the backlight liquid crystal display panel, use the LCD of LED-backlit panel, no matter be the lightening and province electrical efficiency aspect of color contrast, volume, all obviously be better than the LCD of traditional cold cathode tube backlight panel.At present main LED-backlit panel technology as primitive colours LED backlight panel or direct type white light LED backlight panel, is with array LED to be set in the liquid crystal panel rear, can the support area dimming function, and reach power saving or strengthen the effect of light and shade contrast.
In order to support high-resolution picture, the LCD in the hand-held electronic products such as computing machine or mobile phone, camera the trend of large scaleization and wide screen is arranged, yet common data presentation mode is still kept 4: 3 displaying ratio mostly.LCD with wide screen, if use primitive colours LED backlight panel or direct type white light LED backlight panel, but the data presentation mode still maintains 4: 3 displaying ratio, so just as the power consumption backlight of the frame region of wasting LCD, has reduced the effect of power saving.On the other hand,, then can reduce image quality, lose the advantage of the LCD of wide screen if use the mode amount of saving energy of the chroma of existing reduction video data.Therefore, use the electricity saving method of the LCD of LED-backlit panel, still remain to be improved.
Summary of the invention
Therefore, fundamental purpose of the present invention promptly is to provide a kind of display electricity saving method and associated electrical system that is used for an electronic system.
The present invention discloses a kind of display electricity saving method that is used for an electronic system, and a display of this electronic system includes a light-emitting-diode panel, and this display electricity saving method includes to detect in this electronic system whether have an indicator device; When in detecting this electronic system, having this indicator device, obtain the position of the pointer that this indicator device controls; According to the position of this pointer, determine the viewing area in the picture of this display; Whether the powder source management mode of judging this electronic system is a battery saving mode; And when the powder source management mode of judging this electronic system is this battery saving mode, reduce in the picture of this display the brightness of the picture except this viewing area.
The present invention also discloses a kind of electronic system with power saving Presentation Function, includes a display, a storage unit, a processing unit and a display driver element, and wherein this display includes a light-emitting-diode panel.This storage unit is used for storing the picture data of this display.This processing unit is coupled to this display and this storage unit, is used for detecting whether have an indicator device in this electronic system; When in this electronic system, having this indicator device, obtain the position of the pointer that this indicator device is controlled in the picture of this display; According to the position of this pointer, determine the viewing area in the picture of this display; Whether the powder source management mode of judging this electronic system is a battery saving mode; And when the powder source management mode of judging this electronic system be this battery saving mode, generation was used for controlling a plurality of controlling signal of the brightness of this light-emitting-diode panel, in the picture that reduces this display, and the brightness of the picture except this viewing area.This display driver element is coupled to this light-emitting-diode panel and this processing unit of this display, is used for producing a plurality of driving signals according to these a plurality of controlling signal, and is luminous to drive this light-emitting-diode panel.
Description of drawings
Fig. 1 is the functional block diagram of the embodiment of the invention one electronic system.
Fig. 2 is the synoptic diagram of the embodiment of the invention one flow process.
Fig. 3 to Figure 10 is the flow process of an electronic system application drawing 2, in the synoptic diagram of the shown picture of a display of this electronic system.
The reference numeral explanation
10 electronic systems
100 displays
102 processing units
104 storage unit
106 LED driver elements
108 indicator devices
110 LED panels
112 programs
20 flow processs
200,202,204,206,208,210 steps
212、214、216、218、220、222
224、226、228、230
Embodiment
Please refer to Fig. 1, Fig. 1 is the functional block diagram of the embodiment of the invention one electronic system 10.Electronic system 10 has the system of a flat-panel screens, can be desktop PC, mobile computer, mobile phone, digital camera or TV etc.Electronic system 10 includes a display 100, a processing unit 102, a storage unit 104 and a LED driver element 106.Display 100 includes a LED panel 110, its purposes is difference according to the kind of display 100, for instance, if display 100 is LCD, LED panel 110 is the backlight panel of display 100, can be primitive colours LED panel or straight-down negative white light LEDs panel; If display 100 is the self-emitting displays (as the Organic Light Emitting Diode display) that do not need backlight panel, then LED panel 110 is a display panel.LED panel 110 is that LED arranges formation with array, can be divided into N LED block, to realize regional luminance control.
Note that electronic system 10 can comprise also can not comprise one and point to (Pointing) device 108, therefore, is represented by dotted lines the relation between processing unit 102 and the indicator device 108 among Fig. 1.If electronic system 10 is a mobile computer or desktop PC, indicator device 108 can be keyboard, mouse, trace ball or Trackpad; If electronic system 10 is a mobile phone, indicator device 108 can be keyboard or contact panel.Relatively, if electronic system 10 is a TV, then do not comprise indicator device 108.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of the embodiment of the invention one flow process 20.Flow process 20 can be compiled as the performed program 112 of processing unit among Fig. 1 102, is used for adjusting the brightness of LED panel 110, and then saves the power consumption of LED panel.Flow process 20 includes following steps:
Step 200: beginning.
Step 202: whether have an indicator device in the detected electrons system 10.If carry out step 204; If not, carry out step 218.
Step 204: the position of obtaining the pointer that this indicator device controls.
Step 206: whether the position of judging this pointer is in one uses in the window.If carry out step 210; If not, carry out step 208.
Step 208: a picture block at this index place is set at a viewing area.
Step 210: judge whether window is a web browser window in this use.If carry out step 216; If not, carry out step 212.
Step 212: obtain position of window in this use.
Step 214: the pairing picture block in the position of this pointer is set at a viewing area.
Step 216: with a Tabulator Setting at this pointer place is a viewing area.
Step 218: detect in the picture of display 100 the content update frequency of each picture block.
Step 220: the content update frequency and a threshold frequency of each picture block are compared, to determine this viewing area.
Step 222: whether the powder source management mode of judging electronic system 10 is a battery saving mode.If carry out step 224; If not, carry out step 226.
Step 224:, produce the controlling signal C1～CN of the brightness of control LED panel 110 according to this viewing area.
Step 226: detect whether receive an amplification controlling signal.If carry out step 228; If not, carry out step 230.
Step 228: amplify the pairing picture data in this viewing area.
Step 230: finish.
Details are as follows for flow process 20.According to step 202, whether there is indicator device 108 in the processing unit 102 detected electrons systems 10.When processing unit 102 detects indicator device 108, according to step 204, processing unit 102 is obtained the position of the pointer that indicator device 108 controlled.The pointer that indicator device 108 is controlled may be shown in display 100 with image format, and the pointer controlled of mouse for example, the pointer that indicator device 108 is controlled also can be in the mobile phone finger or pointer is controlled mobile location point, do not have the image demonstration usually.After the position of obtaining pointer, according to step 206, whether the position that processing unit 102 is judged pointer is in one uses in the window (Active Window).The type of window is not limit in the use, can be data folder window or application window, for example copy editor's program window, image playing program window or web browser window etc.
When position that processing unit 102 is judged pointers not in use in the window, represent that the user of present electronic system 10 may not open any window, or opened window, but user's sight line is not parked in window.At this moment, according to step 208, processing unit 102 is set at the viewing area with the picture block at pointer place, and it is the zonule of pointer periphery.The scope of the viewing area that step 206 determined can be the default value of electronic system 10, also can be operated indicator device 108 by the user of electronic system 10 preset range is carried out convergent-divergent, to reset the viewing area.On real the work, the convergent-divergent of viewing area can and be realized by mouse or Trackpad cooperation Keyboard Control.
After according to step 208 decision viewing area, according to step 222, processing unit 102 judges whether electronic system 10 present employed powder source management modes are a battery saving mode.If powder source management mode is a battery saving mode, according to step 224, processing unit 102 produces the controlling signal C1～CN of the brightness of control LED panel 110 according to determined viewing area, exports LED driver element 106 to, and is luminous with driving LED panel 110.Note that controlling signal C1～CN is a N LED block controlling LED panel 110 accordingly, each LED block is arranged with array by a plurality of LED and is formed.If the picture of viewing area is corresponding to M LED block wherein, there then have M controlling signal to be used for controlling the brightness of the pairing M in a viewing area LED block among controlling signal C1～CN to be constant, (N-M) individual controlling signal is used for the brightness of (N-M) individual LED block of correspondence is reduced, to save the power consumption of LED panel 110.The degree that brightness downgrades is optionally set, and the content that can the user still can differentiate the picture block is a principle.
Please refer to Fig. 3, Fig. 3 detects indicator device 108 for processing unit 102 according to flow process 20, and learns when electronic system 10 is positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.As shown in Figure 3, when the position of pointer was outside window, constant except the brightness of the viewing area around the pointer, the brightness of other picture block all dimmed.Please refer to Fig. 4 A figure and Fig. 4 B, Fig. 4 A and Fig. 4 B are that processing unit 102 detects indicator device 108 according to flow process 20, and learn when electronic system 10 is positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.By Fig. 4 A and Fig. 4 B as can be known, the viewing area can be scaled the brightness of viewing area is constant to adjust indication range, and the brightness of other picture block all dims.Therefore, flow process 20 has significantly been saved the power consumption of pointer LED panel 110 in use in the window time.
On the other hand, judge that when processing unit 102 electronic system 10 present employed powder source management modes are not battery saving modes, expression electronic system 10 need not carried out the power-saving control of LED panel 110.At this moment, according to step 226 and step 228, processing unit 102 detects whether receive an amplification controlling signal, and when receiving the amplification controlling signal, amplifies the pairing picture data in viewing area (but not scope of the amplification viewing area shown in Fig. 4 B).Amplifying controlling signal may be imported by the input media of electronic system 10 by the user.If processing unit 102 does not receive the amplification controlling signal, then do not amplify the pairing picture in viewing area.The amplification of picture data is shown as those skilled in the art to be known, and does not give unnecessary details at this.
When position that processing unit 102 is judged pointers in one uses in the window time, according to step 210, processing unit 102 further judge use in window whether be a web browser window.Window is not a web browser window in using, but when other application window or data folder window, according to step 212 and step 214, processing unit 102 is obtained position of window in the use, and the pairing picture block in the position of pointer is set at the viewing area.The viewing area that step 214 determined can be window in the complete use, or only is the workspace of window in using, or for the control of window in using is listed as, as function row, Facility Column or status Bar etc.After processing unit 102 is according to step 214 decision viewing area, then according to step 222, judge whether electronic system 10 present employed powder source management modes are battery saving mode, carry out step 224 with decision, produce the controlling signal C1～CN of control LED panel 110, or carry out step 226 and step 228, amplify the picture data of viewing area.Please refer to aforementionedly, do not give unnecessary details at this about the detailed description of step 222 to step 228.
Please refer to Fig. 5 and Fig. 6, Fig. 5 and Fig. 6 detect indicator device 108 for processing unit 102 according to flow process 20, and learn when electronic system 10 is positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.It is constant that Fig. 5 describes the brightness of window in the whole use at index place, and the brightness of other picture block all dims.Fig. 6 describes in the use in the window, only has the brightness of workspace constant, and the brightness of other picture block such as title bar, Facility Column and status Bar all dims.
In other embodiment of the present invention, step 212 and step 214 are replaceable to be other step, and the picture block that for example the content update frequency is higher than a threshold frequency is set at the viewing area.Thus, when the scroll bar of controlling window as the user was browsed continuous content, processing unit 102 can be learnt the picture block that must be set at the viewing area according to the comparison of content update frequency.Please refer to Fig. 7, Fig. 7 detects indicator device 108 for processing unit 102 according to flow process 20, and learns when electronic system 10 is positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.Fig. 7 describes in the browsing file program window at pointer place, and only the brightness of the higher picture block of content update frequency is constant, the blank block in other picture block such as title bar, Facility Column, status Bar and the workspace, and its brightness all dims.Therefore, flow process 20 has significantly been saved the power consumption that shows unnecessary information.
According to step 210, whether window was web browser window during processing unit 102 judgements were used.When window was as web browser window in using, according to step 216, processing unit 102 was set at the viewing area with the form (Table) in the webpage picture at pointer place.After the decision viewing area, processing unit 102 then carry out step 222, judges whether electronic system 10 present employed powder source management modes are battery saving mode, and carries out follow-up brightness according to this and downgrade step.Please refer to Fig. 8, Fig. 8 detects indicator device 108 for processing unit 102 according to flow process 20, and learn when electronic system 10 is positioned at battery saving mode, synoptic diagram in display 100 being seen pictures, it is described in the web browser window, only the brightness of the form at pointer place is constant, and the brightness of other picture block all dims.As from the foregoing, by flow process 20, the user of electronic system 10 can be absorbed in the form of present reading, has reduced the power consumption of LED panel 110 simultaneously.
In other embodiment of the present invention, step 216 is replaceable to be other step, and for example a content update frequency and the threshold frequency with each picture block compares, with the decision viewing area.For instance, processing unit 102 is with in the web browser window, and the Tabulator Setting that the content update frequency is lower than a threshold frequency is the viewing area, or oppositely chooses, and the Tabulator Setting that the content update frequency is higher than threshold frequency is the viewing area.
Please refer to Fig. 9, Fig. 9 detects indicator device 108 for processing unit 102 according to flow process 20, and learns when electronic system 10 is positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.Fig. 9 describes in the web browser window, and only the brightness of the picture block of content update frequency subcritical frequency is constant, and other picture block that the content update frequency is higher than threshold frequency for example upgrades frequent advertisement form etc., then shows with darker brightness.As from the foregoing, the interference that advertising message was caused when flow process 20 can reduce browsing page reduces the power consumption of LED panel 110 simultaneously.On the other hand, when the user of electronic system 10 desires the higher picture block of content update frequency in the browsing page, for example community message or network film etc. in real time also can pass through flow process 20, and the Tabulator Setting that the content update frequency is higher than threshold frequency is the viewing area.
In addition, please refer to Figure 10.Figure 10 detects indicator device 108 for processing unit 102 according to flow process 20, and learns when electronic system 10 is not positioned at battery saving mode, in the synoptic diagram of display 100 being seen pictures.As shown in figure 10, the viewing area in the web browser window is the form at pointer place, and the pairing picture data of this form is exaggerated demonstration.
Above-mentioned steps 204 to step 216 is when having indicator device 108 in the electronic system 10, the step of processing unit 102 decision viewing areas.For the electronic system 10 that does not comprise any indicator device, display 100 shown pictures are generally dynamic menu, do not have pointer can judge the information significance level of relevant picture block according to this.Therefore, in flow process 20, when processing unit 102 is learnt when not having indicator device 108 in the electronic system 10, processing unit 102 is according to step 218, the content update frequency of each picture block in the picture of detection display 100, and according to step 220, the content update frequency and a threshold frequency of each picture block compared, with the decision viewing area.Furthermore, the picture block that processing unit 102 can be higher than the content update frequency threshold frequency is set at the viewing area, or the picture block of content update frequency subcritical frequency is set at the viewing area.After according to step 220 decision viewing area, processing unit 102 carries out step 222 to step 228, judge whether electronic system 10 is positioned at battery saving mode, and when electronic system 10 is positioned at battery saving mode, produce the controlling signal C1～CN of control LED panel 110, it is luminous with driving LED panel 110 to export LED driver element 106 to.
In brief, the step 200 of flow process 20 to step 220 for the viewing area decision stage, can be considered the set of four sub-processes, be used in the different conditions viewing area of making decision.In other words, be in the different conditions picture block that brightness must downgrade of making decision.With Fig. 2, first sub-process includes step 202,204,206,208, uses the block of cells viewing area when deciding pointer not in window; Second sub-process includes step 202,204,206,210,212,214, the viewing area when deciding the pointer position in use in the window; The 3rd sub-process includes step 202,204,206,210,216, uses the viewing area when deciding the index position in web browser window; The 4th sub-process step 202,218,220 is applicable to when electronic system 10 does not comprise indicator device 108, with content update frequency decision viewing area.
Note that at this flow process 20 is to consider the preferred embodiment of all conditions, those skilled in the art can do different variations and modification according to this.The processing unit 102 of electronic system 10 can carry out above-mentioned arbitrary sub-process separately with the decision viewing area, or selects wantonly two or three sub-processes.When the sub-process of above-mentioned decision viewing area is used separately, can omit or the assembling section step.For instance, when the viewing area of processing unit 102 window during only desire decision is used, but during not especially at web browser window, processing unit 102 can omit step 210, need not judge use in window whether be web browser window.Perhaps, when processing unit 102 when only desire is adjusted the demonstration of web browser window, processing unit 102 can be after step 204, combining step 206 and step 210, and directly whether judge index is in web browser window.
In brief, by flow process 20, no matter whether electronic system has indicator device, the brightness of the LED panel of the display of electronic system all can be according to different image contents, the brightness of suitably carrying out the subregion downgrades, and then can save the power consumption of LED panel, and help the user to filter less important display message simultaneously, improve the readability of image content.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (24)
1. display electricity saving method that is used for an electronic system, a display of this electronic system includes a light-emitting-diode panel, and this display electricity saving method includes:
Detect and whether have an indicator device in this electronic system;
When in detecting this electronic system, having this indicator device, obtain the position of the pointer that this indicator device controls;
According to the position of this pointer, determine the viewing area in the picture of this display;
Whether the powder source management mode of judging this electronic system is a battery saving mode; And
When the powder source management mode of judging this electronic system is this battery saving mode, reduce in the picture of this display the brightness of the picture except this viewing area.
2. display electricity saving method as claimed in claim 1 also includes:
When the powder source management mode of judging this electronic system is not this battery saving mode, detect whether receive an amplification controlling signal; And
When receiving this amplification controlling signal, amplify the pairing picture data in this viewing area.
3. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window;
In using, this in window the time, obtains position of window in this use in this pointer position; And
The pairing picture block in the position of this pointer is set at this viewing area.
4. display electricity saving method as claimed in claim 3, wherein this picture block is a window workspace window control row wherein in this use maybe wherein in window in this use, this use.
5. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window; And
In this uses in the window time, the picture block that the content update frequency is higher than a threshold frequency is set at this viewing area in this pointer position.
6. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window; And
In this uses in the window, and when window is a web browser window in this use, is this viewing area with the Tabulator Setting at this pointer place in this pointer position.
7. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window; And
In this uses in the window, and when window was a web browser window in this use, the Tabulator Setting that the content update frequency is lower than a threshold frequency was this viewing area in this pointer position.
8. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window; And
In this uses in the window, and when window was a web browser window in this use, the Tabulator Setting that the content update frequency is higher than a threshold frequency was this viewing area in this pointer position.
9. display electricity saving method as claimed in claim 1 wherein according to the step of this viewing area of determining positions of this pointer, includes:
Whether the position of judging this pointer is in one uses in the window; And
Not in any use in the window time, the picture block at this index place is set at a viewing area in this pointer.
10. display electricity saving method as claimed in claim 1 also includes:
When in this electronic system, not having this indicator device, detect the content update frequency of each picture block in the picture of this display; And
The content update frequency and a threshold frequency of each picture block are compared, to determine this viewing area.
11. display electricity saving method as claimed in claim 10, wherein content update frequency and this threshold frequency with each picture block compares, and to determine the step of this viewing area, includes:
The picture block that the content update frequency is higher than a threshold frequency is set at this viewing area.
12. display electricity saving method as claimed in claim 10, wherein content update frequency and this threshold frequency with each picture block compares, and to determine the step of this viewing area, includes:
The picture block that the content update frequency is lower than a threshold frequency is set at this viewing area.
13. the electronic system with power saving Presentation Function includes:
One display includes a light-emitting-diode panel;
One storage unit is used for storing the picture data of this display;
One processing unit is coupled to this display and this storage unit, is used for:
Detect and whether have an indicator device in this electronic system;
When in this electronic system, having this indicator device, obtain the position of the pointer that this indicator device is controlled in the picture of this display;
According to the position of this pointer, determine the viewing area in the picture of this display;
Whether the powder source management mode of judging this electronic system is a battery saving mode; And
When the powder source management mode of judging this electronic system be this battery saving mode, generation was used for controlling a plurality of controlling signal of the brightness of this light-emitting-diode panel, in the picture that reduces this display, and the brightness of the picture except this viewing area; And
One display driver element is coupled to this light-emitting-diode panel and this processing unit of this display, is used for producing a plurality of driving signals according to these a plurality of controlling signal, and is luminous to drive this light-emitting-diode panel.
14. electronic system as claimed in claim 13, wherein this processing unit also is used for when the powder source management mode of judging this electronic system is not this battery saving mode, detect and whether receive an amplification controlling signal, and when receiving this amplification controlling signal, amplify the pairing picture data in this viewing area.
15. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index position in this uses in the window time, obtain that position of window also is set at this viewing area with the pairing picture block in the position of this pointer in this uses.
16. electronic system as claimed in claim 15, wherein this picture block is a window workspace window control row wherein in this use maybe wherein in window in this use, this use.
17. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index position in this uses in the window time, the picture block that the content update frequency is higher than a threshold frequency is set at this viewing area.
18. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index position when window is a web browser window in the window and in this use in this use, be this viewing area with the Tabulator Setting at this pointer place.
19. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index position when window is a web browser window in the window and in this use in this use, the Tabulator Setting that the content update frequency is lower than a threshold frequency is this viewing area.
20. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index position when window is a web browser window in the window and in this use in this use, the Tabulator Setting that the content update frequency is higher than a threshold frequency is this viewing area.
21. electronic system as claimed in claim 13, wherein this processing unit judge this pointer the position whether in one uses in the window, and in this index not in any use in the window time, the picture block at this index place is set at a viewing area.
22. electronic system as claimed in claim 13, when wherein this processing unit also is used for not having this indicator device in this electronic system, detect the content update frequency of each picture block in the picture of this display, and the content update frequency and a threshold frequency of each picture block compared, to determine this viewing area.
23. electronic system as claimed in claim 22, wherein this processing unit is set at this viewing area with the picture block that the content update frequency is higher than this threshold frequency.
24. electronic system as claimed in claim 22, wherein this processing unit is set at this viewing area with the picture block that the content update frequency is lower than this threshold frequency.
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| CN104714622A (en) * | 2015-03-03 | 2015-06-17 | 上海新岸线电子技术有限公司 | Energy-saving type display screen and mobile terminal |
| CN107146434A (en) * | 2017-06-30 | 2017-09-08 | 北京中交华安科技有限公司 | Show the method and system of speed-limiting messages |
| CN107180607A (en) * | 2016-03-11 | 2017-09-19 | 上海和辉光电有限公司 | The display methods of organic light-emitting diode (OLED) display screen |
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