CN105807462A - Liquid crystal display method and equipment - Google Patents
Liquid crystal display method and equipment Download PDFInfo
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- CN105807462A CN105807462A CN201410849785.XA CN201410849785A CN105807462A CN 105807462 A CN105807462 A CN 105807462A CN 201410849785 A CN201410849785 A CN 201410849785A CN 105807462 A CN105807462 A CN 105807462A
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Abstract
The invention discloses a liquid crystal display method and equipment. The liquid crystal display method includes the steps that display visible window signals matched with the screen size are obtained frame by frame and cached into a frame buffering area; display visible window signals of each frame are subjected to calculation processing according to the average pixel distance, and corresponding display window signals are obtained and cached; in the displaying process, the display window signals of each frame are moved on a screen relative to the corresponding display visible window signals according to the average pixel distance, so that the movement locus of the display window signals constitutes a circulating locus. By means of the liquid crystal display method and equipment, liquid crystal molecule can be evenly compressed, and the service life of the liquid crystal display equipment is prolonged.
Description
Technical field
The present invention relates to liquid crystal technology field, particularly relate to method and the liquid crystal display of a kind of liquid crystal display.
Background technology
Traditional liquid crystal display, when signals such as incoming video signal or burn-in test signals, liquid crystal display in the way of automatically controlled, lights corresponding liquid crystal molecule to show picture.Every frame picture show required for the liquid crystal molecule lighted be different, when the liquid crystal molecule of certain position is in the activation display state being lit for a long time, the liquid crystal molecule of this position than same screen other liquid crystal molecule aging speeds faster, if things go on like this, LCD screen will reveal whether the phenomenon that image quality is uneven owing to pressurized is uneven, the method using mobile screen in prior art makes each liquid crystal molecule pressurized uniform, delay liquid crystal molecule aging speed, but this method easily produces black surround phenomenon, affect user's image quality to LCD product equally and experience.
Foregoing is only used for assisting understanding technical scheme, does not represent and admits that foregoing is prior art.
Summary of the invention
Present invention is primarily targeted at method and liquid crystal display that a kind of liquid crystal display is provided, it is intended to solve the technical problem that the liquid crystal molecule pressurized of liquid crystal display is uneven.
For achieving the above object, the present invention provides a kind of method of liquid crystal display, and the method for described liquid crystal display comprises the following steps:
Obtain the display its visibility window signal suitable with screen size frame by frame and be cached to frame buffer zone；
According to mean pixel distance, every frame is shown that its visibility window signal carries out calculation process, obtain display window signal the buffer memory of correspondence；
When displaying, every frame display window signal is moved on screen relative to corresponding display its visibility window signal in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
Preferably, described obtain frame by frame and the suitable display its visibility window signal of screen size be cached to the step of frame buffer zone and include:
Obtain screen parameter and original display signal；
According to described screen parameter, described original display signal it is adjusted to the display its visibility window signal suitable with screen size and is cached to frame buffer zone.
Preferably, described according to mean pixel distance, every frame being shown, its visibility window signal carries out calculation process, the display window signal the step of buffer memory that obtain correspondence include:
Described mean pixel distance is calculated previously according to described screen parameter；
Described display its visibility window signal is grown along screen and shielded wide direction respectively and stretches several described mean pixel distances, obtain described display window signal buffer memory.
Preferably, the described step previously according to the described screen parameter described mean pixel distance of calculating includes:
Obtain the screen length in described screen parameter, screen width and resolution；
Described mean pixel distance is calculated according to described screen length, screen width and resolution.
Preferably, described when displaying, every frame display window signal is moved relative to corresponding display its visibility window signal by described mean pixel distance on screen so that the track that described display window signal moves constitutes the step of circulation track and includes:
Obtain the first nodal point of described display its visibility window signal and the second central point of display window signal；
Described display window signal is benchmark by described first nodal point and the second central point, carries out moving horizontally and vertically moving in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
Additionally, for achieving the above object, the present invention also provides for a kind of liquid crystal display, and described liquid crystal display includes:
Acquisition module, for obtaining the display its visibility window signal suitable with screen size frame by frame and being cached to frame buffer zone；
Amplification module, for every frame being shown, its visibility window signal carries out calculation process according to mean pixel distance, obtains display window signal the buffer memory of correspondence；
Mobile module, for when displaying, moving every frame display window signal on screen relative to corresponding display its visibility window signal in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
Preferably, described acquisition module includes:
First acquiring unit, is used for obtaining screen parameter and original display signal；
Adjustment unit, for being adjusted to the display its visibility window signal suitable with screen size according to described screen parameter and being cached to frame buffer zone by described original display signal.
Preferably, described amplification module includes:
Computing unit, for calculating described mean pixel distance previously according to described screen parameter；
Draw unit, is used for described display its visibility window signal edge respectively being shielded length and shielding wide direction stretching several described mean pixel distances, obtains described display window signal buffer memory.
Preferably, described computing unit includes:
Obtain subelement, be used for the screen length, screen width and the resolution that obtain in described screen parameter；
Computation subunit, for calculating described mean pixel distance according to described screen length, screen width and resolution.
Preferably, described mobile module includes:
Second acquisition unit, for obtaining the first nodal point of described display its visibility window signal and the second central point of display window signal；
Mobile unit, for being benchmark by described display window signal by described first nodal point and the second central point, carry out moving horizontally and vertically moving in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
nullThe method of a kind of liquid crystal display of the present invention and liquid crystal display，First the display its visibility window signal suitable with screen size is obtained，Then display its visibility window signal is carried out calculation process and obtain display window signal，Make display window signal more than display its visibility window signal，When liquid crystal display shows signal，Every frame display window signal is carried out minute movement relative to corresponding display its visibility window signal on screen，In this way，Under ensureing the premise that the picture effect of display is substantially unaffected，The voltage that liquid crystal molecule bears can be dynamically changed，The track that display window signal moves constitutes circulation track，Liquid crystal molecule pressurized can be made uniform，Improve the life-span of liquid crystal display，And owing to display its visibility window signal is suitable with screen size，And display window signal is more than display its visibility window signal，Make display its visibility window signal can prevent the generation of black surround when minute movement，.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method one embodiment of liquid crystal display of the present invention；
Fig. 2 is the refinement schematic flow sheet of step S101 in Fig. 1；
Fig. 3 is the refinement schematic flow sheet of step S102 in Fig. 1；
Fig. 4 is the refinement schematic flow sheet of step S103 in Fig. 1；
Fig. 5 is the high-level schematic functional block diagram of liquid crystal display one embodiment of the present invention；
Fig. 6 is the refinement high-level schematic functional block diagram of acquisition module in Fig. 5；
Fig. 7 is the refinement high-level schematic functional block diagram of amplification module in Fig. 5；
Fig. 8 is the refinement high-level schematic functional block diagram of mobile module in Fig. 5.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.The present invention provides a kind of method of liquid crystal display, and with reference to Fig. 1, in one embodiment, the method for this liquid crystal display includes:
Step S101, obtains the display its visibility window signal suitable with screen size frame by frame and is cached to frame buffer zone；
In the present embodiment, liquid crystal display is when getting original display signal, it is necessary to this primary signal processed further, so as to suitable with the screen-sized of liquid crystal display, then just can display on screen.
In the present embodiment, obtain display its visibility window signal (DisplayEvidentWindow, DEW) frame by frame, then stored to frame buffer zone.
By every frame, step S102, shows that its visibility window signal carries out calculation process according to mean pixel distance, obtain display window signal the buffer memory of correspondence so that with described display window signal to should be greater than and corresponding display its visibility window；In other words, after this calculation process, display window corresponding described in display window signal shows its visibility window corresponding to display its visibility window signal.Wherein, display its visibility window refers to the size that display window signal is shown by display screen, and display window refers to the display window signal size without be bound by display screen, and the size that should show.
In the present embodiment, first the mean pixel distance d obtaining liquid crystal display is calculated, the size of display its visibility window signal is just adaptive with the size of screen, that is to say equal, then display its visibility window signal is amplified according to mean pixel distance, this is enlarged into the display area amplifying display its visibility window signal, that is to say the area of display its visibility window, obtain display window signal (DisplayWindow, DW), such as display its visibility window signal is respectively stretched 16 mean pixel distance d in left-right direction, respectively stretch 8 mean pixel distance d along the vertical direction, the display length of the display window signal so obtained is that the length of display its visibility window signal is plus 32 mean pixel distance d, display width is that the length of display its visibility window signal is plus 16 mean pixel distance d.
In the present embodiment, when liquid crystal display shows a frame signal, show above-mentioned display its visibility window signal and display window signal simultaneously, after stretching obtains display window signal, can be a frame display signal by itself and corresponding display its visibility window signal buffer memory.
Step S103, when displaying, moves every frame display window signal for unit relative to corresponding display its visibility window signal with described mean pixel distance on screen so that the track that described display window signal moves constitutes circulation track.
In the present embodiment, before display one frame display signal, every frame display window signal is moved by mean pixel distance, namely move relative to a corresponding frame display its visibility window signal, as moved horizontally 8 or 16 mean pixel distance d to the left or to the right, or vertically mobile 4 or 8 mean pixel distance d etc. up or down, then together show its visibility window signal and correspondence, display window signal after movement be a frame picture.Due to the movement of display window signal, therefore, it is possible to dynamically change the voltage that liquid crystal display liquid crystal molecule along described moving direction bears.
Further, owing to display window signal is that display its visibility window signal displays the signal after area amplifies, both are essentially identical, simply the display area of display its visibility window signal is less than the display area of display window signal, therefore, small movement is carried out at display window signal, the voltage that liquid crystal molecule bears will not change a lot, simply along with the movement of display window signal is changed into the voltage that neighbouring liquid crystal molecule bears, shown picture effect is also substantially unaffected.
Further, since the display area of display window signal is big, in the process that display window signal moves, display its visibility window signal is always positioned at the magnitude range of display window signal, therefore, it is possible to prevent the generation of black surround.
In the present embodiment, the track that display window signal moves constitutes circulation track, such as the first frame display window signal level is moved to the left, second frame display window signal moves straight up, 3rd frame display window signal level moves right, 4th frame display window signal moves straight down, and, the distance moved horizontally is equal, as for 8 or 16 mean pixel distance d, vertically the distance of movement is also equal, as for 4 or 8 mean pixel distance d, thus, the track that the display window signal of first to fourth frame moves constitutes circulation track, this circulation track is rectangular path, so, the equal pressurized of liquid crystal molecule that can make above-below direction and left and right directions is uniform.Additionally; the present embodiment is not limited to above-mentioned move mode; as long as can make the liquid crystal molecule uniform mode of equal pressurized all in the protection domain of the present embodiment; such as display window signal can move with certain slope, and circulation track is the liquid crystal molecule uniform purpose of equal pressurized that equilateral triangle track or prismatic track can also reach above-below direction and left and right directions.
Compared with prior art, first the present embodiment obtains the display its visibility window signal suitable with screen size, then display its visibility window signal is carried out calculation process and obtain display window signal, when liquid crystal display shows signal, every frame display window signal is carried out minute movement relative to corresponding display its visibility window signal on screen, in this way, under ensureing the premise that the picture effect of display is substantially unaffected, the voltage that liquid crystal molecule bears can be dynamically changed, and the generation of black surround can be prevented, the track that display window signal moves constitutes circulation track, liquid crystal molecule pressurized can be made uniform, improve the life-span of liquid crystal display.
In a preferred embodiment, as in figure 2 it is shown, on the basis of the embodiment of above-mentioned Fig. 1, above-mentioned steps S101 includes:
Step S1011, obtains screen parameter and original display signal；
Step S1012, is adjusted to described original display signal the display its visibility window signal suitable with screen size according to described screen parameter and is cached to frame buffer zone.
Wherein, screen parameter includes the resolution that screen is wide, shield length and liquid crystal display.The present embodiment is wide according to screen, the long visible size calculating screen of screen, and then adjusting original display signal is the display its visibility window signal visible of the same size with screen so that display its visibility window signal is adaptive with the size of screen.
In a preferred embodiment, as it is shown on figure 3, on the basis of the embodiment of above-mentioned Fig. 2, above-mentioned steps S102 includes:
Step S1021, calculates described mean pixel distance previously according to described screen parameter；
Step S1022, by long along screen respectively for described display its visibility window signal and shield wide direction and stretch several described mean pixel distances, obtains described display window signal buffer memory.
In the present embodiment, first screen width, screen length and resolution are obtained, if resolution is 4096*2160, calculate shield long pixel from for: shield long pixel long by/4096 from=screen, calculate the wide pixel of screen from for: shield wide pixel from=screen long/2160, then calculate mean pixel distance: mean pixel distance=(shield long pixel from the+wide pixel of screen from)/2.
The mean pixel distance of the present embodiment is the ultimate unit that display its visibility window signal stretches, and stretches in the process to amplify display area at display its visibility window signal, stretches in units of mean pixel distance.Display its visibility window signal is respectively stretched identical mean pixel distance to the left and to the right along screen length direction, then upwardly or downwardly respectively stretches identical mean pixel distance along screen cross direction, finally give display surface and accumulate big display window signal.
Display its visibility window signal and display window signal buffer memory are a frame display signal by the present embodiment, show described display its visibility window signal and display window signal when display simultaneously.
In a preferred embodiment, as shown in Figure 4, on the basis of the embodiment of above-mentioned Fig. 1, above-mentioned steps S103 includes:
Step S1031, obtains the first nodal point of described display its visibility window signal and the second central point of display window signal；
Step S1032, described display window signal is benchmark by described first nodal point and the second central point, carries out moving horizontally and vertically moving in units of described mean pixel distance, make the track that described display window signal moves constitute circulation track, that is to say display picture loopy moving on screen.
In the present embodiment, before showing described display signal, obtaining the first nodal point of display its visibility window signal and the second central point of display window signal, wherein, the first nodal point of display its visibility window signal can be able to overlap or misaligned with the second central point of display window signal.
Then display window signal is benchmark by first nodal point and the second central point, moves in units of mean pixel distance, namely display window signal carries out moving horizontally and vertically moving relative to display its visibility window signal, such as move horizontally or vertically move several mean pixel distances, when showing a frame signal, display window signal after together showing its visibility window signal and being mobile, the like, display frame by frame.
It addition, make the track that multiframe display window signal moves constitute circulation track, it is possible to the equal pressurized of liquid crystal molecule making above-below direction and left and right directions is uniform.
The present invention also provides for a kind of liquid crystal display, as it is shown in figure 5, in one embodiment, this liquid crystal display includes:
Acquisition module 101, for obtaining the display its visibility window signal suitable with screen size frame by frame and being cached to frame buffer zone；
In the present embodiment, liquid crystal display is when getting original display signal, it is necessary to this primary signal processed further, so as to suitable with the screen-sized of liquid crystal display, then just can display on screen.
In the present embodiment, obtain display its visibility window signal (DisplayEvidentWindow, DEW) frame by frame, then stored to frame buffer zone.
Amplification module 102, for every frame being shown, its visibility window signal carries out calculation process according to mean pixel distance, obtains display window signal the buffer memory of correspondence so that display window signal is more than display its visibility window signal；In other words, after this calculation process, display window corresponding described in display window signal shows its visibility window corresponding to display its visibility window signal.
In the present embodiment, first the mean pixel distance d obtaining liquid crystal display is calculated, the size of display its visibility window signal is just adaptive with the size of screen, then display its visibility window signal is amplified according to mean pixel distance, this is enlarged into the display area amplifying display its visibility window signal, obtain display window signal (DisplayWindow, DW), such as display its visibility window signal is respectively stretched 16 mean pixel distance d in left-right direction, respectively stretch 8 mean pixel distance d along the vertical direction, the display length of the display window signal so obtained is that the length of display its visibility window signal is plus 32 mean pixel distance d, display width is that the length of display its visibility window signal is plus 16 mean pixel distance d.
In the present embodiment, when liquid crystal display shows a frame signal, show above-mentioned display its visibility window signal and display window signal simultaneously, after stretching obtains display window signal, can be a frame display signal by itself and corresponding display its visibility window signal buffer memory.
Mobile module 103, for when displaying, moving every frame display window signal on screen relative to corresponding display its visibility window signal in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
In the present embodiment, before display one frame display signal, every frame display window signal is moved by mean pixel distance, namely move relative to a corresponding frame display its visibility window signal, as moved horizontally 8 or 16 mean pixel distance d to the left or to the right, or vertically mobile 4 or 8 mean pixel distance d etc. up or down, then together show its visibility window signal and correspondence, display window signal after movement be a frame picture.Due to the movement of display window signal, therefore, it is possible to dynamically change the voltage that liquid crystal display liquid crystal molecule along described moving direction bears.
Further, owing to display window signal is that display its visibility window signal displays the signal after area amplifies, both are essentially identical, simply the display area of display its visibility window signal is less than the display area of display window signal, therefore, small movement is carried out at display window signal, the voltage that liquid crystal molecule bears will not change a lot, simply along with the movement of display window signal is changed into the voltage that neighbouring liquid crystal molecule bears, shown picture effect is also substantially unaffected.
Further, since the display area of display window signal is big, in the process that display window signal moves, display its visibility window signal is always positioned at the magnitude range of display window signal, therefore, it is possible to prevent the generation of black surround.
In the present embodiment, the track that display window signal moves constitutes circulation track, such as the first frame display window signal level is moved to the left, second frame display window signal moves straight up, 3rd frame display window signal level moves right, 4th frame display window signal moves straight down, and, the distance moved horizontally is equal, as for 8 or 16 mean pixel distance d, vertically the distance of movement is also equal, as for 4 or 8 mean pixel distance d, thus, the track that the display window signal of first to fourth frame moves constitutes circulation track, this circulation track is rectangular path, so, the equal pressurized of liquid crystal molecule that can make above-below direction and left and right directions is uniform.Additionally; the present embodiment is not limited to above-mentioned move mode; as long as can make the liquid crystal molecule uniform mode of equal pressurized all in the protection domain of the present embodiment; such as display window signal can move with certain slope, and circulation track is the liquid crystal molecule uniform purpose of equal pressurized that equilateral triangle track or prismatic track can also reach above-below direction and left and right directions.
In a preferred embodiment, as shown in Figure 6, on the basis of the embodiment of above-mentioned Fig. 5, described acquisition module 101 includes:
First acquiring unit 1011, is used for obtaining screen parameter and original display signal；
Adjustment unit 1012, for being adjusted to the display its visibility window signal suitable with screen size according to described screen parameter and being cached to frame buffer zone by described original display signal.
Wherein, screen parameter includes the resolution that screen is wide, shield length and liquid crystal display.The present embodiment is wide according to screen, the long visible size calculating screen of screen, and then adjusting original display signal is the display its visibility window signal visible of the same size with screen so that display its visibility window signal is adaptive with the size of screen.
In a preferred embodiment, as it is shown in fig. 7, on the basis of the embodiment of above-mentioned Fig. 6, described amplification module 102 includes:
Computing unit 1021, for calculating described mean pixel distance previously according to described screen parameter；
Draw unit 1022, is used for described display its visibility window signal edge respectively being shielded length and shielding wide direction stretching several described mean pixel distances, obtains described display window signal buffer memory.
In the present embodiment, first screen width, screen length and resolution are obtained, if resolution is 4096*2160, calculate shield long pixel from for: shield long pixel long by/4096 from=screen, calculate the wide pixel of screen from for: shield wide pixel from=screen long/2160, then calculate mean pixel distance: mean pixel distance=(shield long pixel from the+wide pixel of screen from)/2.
The mean pixel distance of the present embodiment is the ultimate unit that display its visibility window signal stretches, and stretches in the process to amplify display area at display its visibility window signal, stretches in units of mean pixel distance.Display its visibility window signal is respectively stretched identical mean pixel distance to the left and to the right along screen length direction, then upwardly or downwardly respectively stretches identical mean pixel distance along screen cross direction, finally give display surface and accumulate big display window signal.
Display its visibility window signal and display window signal buffer memory are a frame display signal by the present embodiment, show described display its visibility window signal and display window signal when display simultaneously.
In a preferred embodiment, as shown in Figure 8, on the basis of the embodiment of above-mentioned Fig. 5, described mobile module 103 includes:
Second acquisition unit 1031, for obtaining the first nodal point of described display its visibility window signal and the second central point of display window signal；
Mobile unit 1032, for being benchmark by described display window signal by described first nodal point and the second central point, carry out moving horizontally and vertically moving in units of described mean pixel distance so that the track that display window signal moves constitutes circulation track.
In the present embodiment, before showing described display signal, obtaining the first nodal point of display its visibility window signal and the second central point of display window signal, wherein, the first nodal point of display its visibility window signal can be able to overlap or misaligned with the second central point of display window signal.
Then display window signal is benchmark by first nodal point and the second central point, moves in units of mean pixel distance, namely display window signal carries out moving horizontally and vertically moving relative to display its visibility window signal, such as move horizontally or vertically move several mean pixel distances, when showing a frame signal, display window signal after together showing its visibility window signal and being mobile, the like, display frame by frame.
It addition, make the track that multiframe display window signal moves constitute circulation track, it is possible to the equal pressurized of liquid crystal molecule making above-below direction and left and right directions is uniform.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. the method for a liquid crystal display, it is characterised in that the method for described liquid crystal display comprises the following steps:
A, obtain and the suitable display its visibility window signal of screen size be cached to frame buffer zone frame by frame；
B, according to mean pixel distance by every frame show its visibility window signal carry out calculation process, obtain correspondence display window signal and buffer memory so that display window signal more than display its visibility window signal；
C, when displaying, every frame display window signal is moved on screen relative to corresponding display its visibility window signal in units of mean pixel distance so that the track that described display window signal moves constitutes circulation track.
2. the method for liquid crystal display as claimed in claim 1, it is characterised in that described step a includes:
Obtain screen parameter and original display signal；
According to described screen parameter, described original display signal it is adjusted to the display its visibility window signal suitable with screen size and is cached to frame buffer zone.
3. the method for liquid crystal display as claimed in claim 2, it is characterised in that described step b includes:
Described mean pixel distance is calculated previously according to described screen parameter；
Described display its visibility window signal is grown along screen and shielded wide direction respectively and stretches several described mean pixel distances, obtain described display window signal buffer memory.
4. the method for liquid crystal display as claimed in claim 3, it is characterised in that the described step previously according to the described screen parameter described mean pixel distance of calculating includes:
Obtain the screen length in described screen parameter, screen width and resolution；
Described mean pixel distance is calculated according to described screen length, screen width and resolution.
5. the method for liquid crystal display as claimed in claim 1, it is characterised in that described step c includes:
Obtain the first nodal point of described display its visibility window signal and the second central point of display window signal；
Described display window signal is benchmark by described first nodal point and the second central point, carries out moving horizontally and vertically moving in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
6. a liquid crystal display, it is characterised in that described liquid crystal display includes:
Acquisition module, for obtaining the display its visibility window signal suitable with screen size frame by frame and being cached to frame buffer zone；
Amplification module, for every frame being shown, its visibility window signal carries out calculation process according to mean pixel distance, obtains display window signal the buffer memory of correspondence so that display window signal is more than display its visibility window signal；
Mobile module, for when displaying, moving every frame display window signal on screen relative to corresponding display its visibility window signal in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
7. liquid crystal display as claimed in claim 6, it is characterised in that described acquisition module includes:
First acquiring unit, is used for obtaining screen parameter and original display signal；
Adjustment unit, for being adjusted to the display its visibility window signal suitable with screen size according to described screen parameter and being cached to frame buffer zone by described original display signal.
8. liquid crystal display as claimed in claim 7, it is characterised in that described amplification module includes:
Computing unit, for calculating described mean pixel distance previously according to described screen parameter；
Draw unit, is used for described display its visibility window signal edge respectively being shielded length and shielding wide direction stretching several described mean pixel distances, obtains described display window signal buffer memory.
9. liquid crystal display as claimed in claim 8, it is characterised in that described computing unit includes:
Obtain subelement, be used for the screen length, screen width and the resolution that obtain in described screen parameter；
Computation subunit, for calculating described mean pixel distance according to described screen length, screen width and resolution.
10. liquid crystal display as claimed in claim 6, it is characterised in that described mobile module includes:
Second acquisition unit, for obtaining the first nodal point of described display its visibility window signal and the second central point of display window signal；
Mobile unit, for being benchmark by described display window signal by described first nodal point and the second central point, carry out moving horizontally and vertically moving in units of described mean pixel distance so that the track that described display window signal moves constitutes circulation track.
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| CN101753796A (en) * | 2008-12-22 | 2010-06-23 | 深圳Tcl新技术有限公司 | Method for zooming TV screen display contents |
| CN101777315A (en) * | 2009-01-13 | 2010-07-14 | 深圳Tcl新技术有限公司 | Method for avoiding image retention of liquid crystal display |
| CN101944007B (en) * | 2010-09-29 | 2012-06-06 | 广东威创视讯科技股份有限公司 | Method for automatically identifying and correcting VGA signal display |
| CN102467865A (en) * | 2010-11-18 | 2012-05-23 | 深圳Tcl新技术有限公司 | Method for preventing flat-panel display from screen burn |
| CN103197909A (en) * | 2013-04-17 | 2013-07-10 | 北京小米科技有限责任公司 | Display method and display device |
| CN103546715A (en) * | 2013-10-30 | 2014-01-29 | 乐视致新电子科技（天津）有限公司 | Method and device for adjusting proportion of picture of smart television |
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