CN104320714A - Display device and display regulation method thereof - Google Patents
Display device and display regulation method thereof Download PDFInfo
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- CN104320714A CN104320714A CN201410663835.5A CN201410663835A CN104320714A CN 104320714 A CN104320714 A CN 104320714A CN 201410663835 A CN201410663835 A CN 201410663835A CN 104320714 A CN104320714 A CN 104320714A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the invention provides a display device and a display regulation method of the display device and relates to the technical field of displaying. According to the display device and the display regulation method of the display device, the frame size of displayed images can be automatically adjusted according to a command, the adaptivity of the display device is improved, and it is guaranteed that all the displayed images viewed by a viewer have appropriate display sizes. The display device comprises a display screen, a size determining unit, an area determining unit and an image display unit. The display regulation method of the display device comprises the steps that according to the command received by the size determining unit, the appropriate display size of the display images in the display screen is determined; under the condition that the appropriate display size is smaller than the size of the display screen, an area with the appropriate display size is determined in the display screen to be an image display area through the area determining unit; an image to be displayed is output in the image display area through the image display unit. The display regulation method is used for manufacturing the display device.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of display unit and vision-control method thereof.
Background technology
At present, for display unit especially domestic television set, the general equal default setting of display mode of display unit is the pattern of full screen display, be difficult to the size realizing adjusting display screen display size flexibly according to the needs of beholder, affect the ratio that beholder watches display image, cause Consumer's Experience not good.
Summary of the invention
Given this, embodiments of the invention provide a kind of display unit and vision-control method thereof, automatically can adjust the picture size of display image according to instruction, enhance the adaptivity of display unit, ensure that the display image that beholder watches all has suitable display size.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, embodiments provide a kind of vision-control method of display unit, described display unit comprises: display screen; Described method comprises: the instruction received by size determining unit, determines the suitable display size showing image in described display screen; When described suitable display size is less than described screen size, by area determination unit, in described display screen, determine that a region with described suitable display size is image display area; By image-display units, in described image display area, export image to display.
Preferably, described method also comprises: export image to display in described image display area while, and by described image-display units, the region controlled beyond described image display area presents black picture.
Preferred further, described image-display units comprises the first image display subelement, the second image display subelement; Describedly in described image display area, export image to display, comprising: according to described suitable display size, by described first image display subelement, regulate the resolution of image to display; By described second image display subelement, the image after regulating is exported in described image display area.
Preferred on the basis of the above, described instruction comprises, by distance acquiring unit, and the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen; The described instruction received by size determining unit, is determined the suitable display size showing image in described display screen, comprising: by parameter lookup table, searches the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size; Or, according to the functional relation that described Distance geometry presets, obtain the suitable display size showing image in described display screen; Wherein, the independent variable of described functional relation is distance, and dependent variable is suitable display size.
Preferred on the basis of the above, described instruction comprises, and by size Selection unit, obtains the second instruction of suitable display size described in the determination that sends to described size determining unit after beholder selects suitable display size; Wherein, described size Selection unit is preset with the different suitable display size of alternative some display sizes.
Preferred on the basis of the above, described method also comprises: when described suitable display size is more than or equal to described screen size, by described image-display units, full frame output image to display.
On the other hand, the embodiment of the present invention additionally provides a kind of display unit, and described display unit comprises: display screen; Size determining unit, for determining the suitable display size showing image in described display screen according to instruction; Area determination unit, for when described suitable display size is less than described screen size, determines that in described display screen a region with described suitable display size is image display area; Image-display units, for exporting image to display in described image display area.
Preferably, described image-display units also for, export image to display in described image display area while, the region controlled beyond described image display area presents black picture.
Preferred further, described image-display units comprises: the first image display subelement, for according to described suitable display size, regulates the resolution of image to display; Second image display subelement, for exporting the image after adjustment in described image display area.
Preferred on the basis of the above, described display unit also comprises the distance acquiring unit of the spacing obtaining beholder and described display screen; Described instruction comprises, the first instruction determining described suitable dimension according to described distance sent to described size determining unit by described distance acquiring unit; Described size determining unit, specifically for by parameter lookup table, searches the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size; Or, specifically for the functional relation preset according to described Distance geometry, obtain the suitable display size showing image in described display screen; The independent variable of described functional relation is distance, and dependent variable is suitable display size.
Preferred on the basis of the above, described display unit also comprises size Selection unit; Wherein, described size Selection unit is preset with the different suitable display size of alternative some display sizes; Described instruction comprises, the second instruction of the suitable display size of determination sent to described size determining unit by described size Selection unit.
Preferred on the basis of the above, described image-display units also for, when described suitable display size is more than or equal to described screen size, full frame output image to display.
By the described vision-control method that the embodiment of the present invention provides, the display size that can realize showing image in described display screen adjusts automatically according to instruction, enhance the adaptivity of display unit, ensure that the display image that beholder watches all has suitable display size.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The vision-control method flow schematic diagram of a kind of display unit that Fig. 1 provides for the embodiment of the present invention;
The vision-control method exemplary plot one, two, three of a kind of display unit that Fig. 2 ~ Fig. 4 provides for the embodiment of the present invention;
A kind of parameter lookup table specifically provided in step S01 in the vision-control method of a kind of display unit that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of a kind of display unit that Fig. 6 provides for the embodiment of the present invention;
The vision-control method exemplary plot four, five, six of a kind of display unit that Fig. 7 (a) ~ Fig. 7 (c) provides for the embodiment of the present invention.
Reference numeral:
01-display unit; 02-beholder; 10-display screen; 10a-has the region of suitable display size; 20-size determining unit; 30-area determination unit; 40-image-display units.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of vision-control method of display unit, as shown in Figure 1, described vision-control method comprises:
S01, the instruction received by size determining unit, determine the suitable display size showing image in described display screen.
S02, when described suitable display size is less than described screen size, by area determination unit, in described display screen, determine that a region with described suitable display size is image display area.
S03, by image-display units, in described image display area, export image to display.
It should be noted that, first, at above-mentioned steps S01, described instruction can be such as the instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen; Or, also can be the instruction obtaining suitable display size described in determination that beholder selects to send to described size determining unit after suitable display size, as long as to described size determining unit send for changing the display size showing image in described display screen.
The second, in above-mentioned steps S02, described display size can be such as the picture size of display image, and as under full-screen display mode, image to display can be set to show in whole display screen, and the picture now showing image is maximum; At part display mode, the image of described display is set to a part of region in display screen shows, that is, the picture now showing image is less than the size of whole display screen; Or described display size also can be the catercorner length of the image shown in described display screen, and the embodiment of the present invention is not construed as limiting this.
By the described vision-control method that the embodiment of the present invention provides, the display size that can realize showing image in described display screen adjusts automatically according to instruction, enhance the adaptivity of display unit, ensure that the display image that beholder watches all has suitable display size.
Further, in order to make beholder obtain better viewing effect, described method also comprises: as shown in Figure 2, and while above-mentioned steps S03 carries out, the region controlled beyond described image display area presents black picture.
Here, the concrete mode that the region beyond described image display area presents black picture is not limited.Such as can export black picture for the region controlled beyond described image display area; Or, when adopting the display unit of above-mentioned vision-control method to be specially the liquid crystal indicator adopting direct-type backlight, can be closed by the backlight controlling the region corresponded to beyond described image display area, make the region beyond described image display area present black picture.
Exemplarily, as shown in Figure 3, in the display unit adopting above-mentioned vision-control method, multiple gate drivers and multiple source electrode driver is comprised in drive circuit, wherein, a gate drivers corresponds to a grid line, a source electrode driver corresponds to a data wire, 42 inches are shown dimensions as when described display screen, by above-mentioned steps S01 determine to match with described instruction suitable show dimensions as 32 inches time, then corresponding to the display size region of 32 inches grid line i ~ grid line j by controlling, the corresponding pixel region that data wire s ~ data wire q is formed carries out the display of picture signal, simultaneously, control the region beyond described image display area, namely by grid line 1 ~ grid line i, the corresponding pixel region that data wire 1 ~ data wire s is formed, by grid line 1 ~ grid line i, the corresponding pixel region that data wire q ~ data wire M is formed, by grid line j ~ grid line N, the corresponding pixel region that data wire 1 ~ data wire s is formed, and by grid line j ~ grid line N, the corresponding pixel region that data wire q ~ data wire M is formed all shows black picture (i.e. poor black frame process), thus while above-mentioned steps S03 carries out, the region controlled beyond described image display area presents black picture.
Further, described image-display units comprises the first image display subelement, the second image display subelement; Above-mentioned steps S03 exports image to display in described image display area, and following two sub-steps specifically can be adopted to carry out:
S031, according to described suitable display size, regulate the resolution of image to display.
S032, by regulate after image export in described image display area.
It should be noted that, be described with Fig. 2 of aforementioned exemplary, 42 inches are shown dimensions as when described display screen 10, in described display screen 10, the resolution of the image of full screen display is A × B (such as 1920 × 1080), that determines to match with described instruction by above-mentioned steps S02 suitablely shows dimensions as 32 inches, the image being now then A × B to resolution carries out the compression adjustment of resolution, the resolution of image after regulating and the display size of 32 inches are matched, thus make resolution be the image of A × B be shown in after compression there is described suitable display size (i.e. the display size of 32 inches) region in.
As shown in Figure 4, if now instruction changes, then again determine corresponding with instruction instantly suitablely show dimensions as 37 inches and (be labeled as 37 in figure "); before then now can changing corresponding to instruction; namely regulate the amplification carrying out resolution to show dimensions as 32 inches of images shown; the resolution of image after regulating is matched with the display size of 37 inches, thus in the region image after adjustment resolution being shown in there is described suitable display size (i.e. the display size of 37 inches) by above-mentioned steps S01.
On the basis of the above, described instruction specifically can comprise following two kinds of forms, namely by distance acquiring unit, and the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen; And, by size Selection unit, obtain the second instruction of suitable display size described in determination that beholder selects to send to described size determining unit after suitable display size.
For passing through distance acquiring unit, the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen, it should be noted that:
The first, described distance is the vertical range between described beholder and described display screen place plane.When the quantity of the beholder being positioned at described display screen front more than one, and all beholders not exclusively equal with the distance of described display screen or complete unequal time, for simplicity, the described distance of acquisition can be near the distance between the beholder of described display screen and described display screen; Or the described distance of acquisition also can be the mean value of the spacing of all beholders and described display screen, and the embodiment of the present invention is not construed as limiting this, can arrange flexibly according to practical situations.Described suitable display size is the display size corresponding with described distance.
The second, by identifying that arbitrary position of beholder's health obtains the distance of described beholder and described display screen, the embodiment of the present invention is not construed as limiting this.
Here, consider that beholder is when watching the image shown in described display screen, and comparatively accurately apart from being the face of beholder and the distance of described display screen between described display screen, therefore, being preferably and obtaining the face of beholder and the distance of described display screen.Further exactly, namely the acquisition eyes of beholder and the distance of described display screen is preferably.
Distance as described in above-mentioned distance such as obtains by range finding inductor (as infrared/ultrasonic detection device), imaging device (as first-class in made a video recording).
When utilizing range finding inductor, the starting time t when ultrasonic wave that range finding inductor can be utilized to send or infrared light
1time of reception t when arriving ultrasonic wave or infrared light that beholder back reflection returns is received with range finding inductor
2, calculate the time difference Δ of the two
t=t
2-t
1, the recycling velocity of sound or the light velocity to be multiplied with this time difference and divided by 2, thus obtain the distance between described beholder and described display screen.
When utilizing imaging device, camera can be utilized to catch the specific features point (as face) of beholder's health, (as when beholder is comparatively near display screen, face's geometric figure of the beholder caught is larger to calculate the change of the geometric figure area that this characteristic point is formed by the corresponding function module of imaging device inside; Otherwise when beholder is further from display screen, face's geometric figure of the beholder caught is less), calculate the distance between described beholder and described display screen.
Here, consider at front one employing range finding inductor, as as described in ultrasonic wave or infrared detecting device acquisition during distance, if there is barrier (as tea table etc.) between beholder and described display screen, or the palmistry of beholder is stretched out for face and close display screen when carrying out distance and obtaining, then in the case by distance comparatively likely tea table or the distance between hand and display screen of range finding inductor acquisition, cause the distance obtained to be less than actual range between beholder and display screen, thus make to regulate too small to displaying ratio in subsequent step.In addition, when the quantity for the beholder of aforementioned description is the situation of incessantly, multiple range finding inductor may be needed to carry out the acquisition of distance values, and the acquisition process of described distance is comparatively loaded down with trivial details.
And imaging device is owing to can be set to a certain specific features point of only seizure beholder (as face feature, or eye feature etc.), barrier is there is between beholder and described display screen, or the palmistry of beholder is stretched out for face and in the situations such as display screen, can be avoided occurring that the distance obtained is less than the deviation of the actual range between beholder and display screen when carrying out distance and obtaining.In addition, when quantity for beholder is the situation of incessantly, imaging device is by once taking the same specific features point of all beholders, as the image by an all beholder of image taking, therefrom extract everyone face's geometric figure, thus obtain near the distance between the beholder of described display screen and described display screen, or average distance between all beholders and described display screen.
Therefore, the above-mentioned vision-control method that provides of the embodiment of the present invention obtains the distance of beholder and described display screen preferably by the mode of imaging device.
Adopt the situation of the first instruction based on above-mentioned instruction, for above-mentioned steps S02, describedly determine according to described distance the suitable display size showing image in described display screen, following two kinds of modes specifically can be adopted to carry out:
Mode one: by parameter lookup table, searches the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size.
Mode two: the functional relation preset according to described Distance geometry, obtains the suitable display size showing image in described display screen; Wherein, the independent variable of described functional relation is distance, and dependent variable is suitable display size.
It should be noted that, the first, for aforesaid way one, as shown in Figure 5, in described parameter lookup table, the described corresponding relation Distance geometry be between beholder and display screen carries out showing the relation one to one of the suitable display size (catercorner length of picture as the size or display image that show the picture of image) of image under this distance.
Described parameter lookup table obtains by corresponding analogue test.Here, carry out sign with display size by the catercorner length (usually representing with inch) of the picture showing image to illustrate, picture catercorner length for display image is identical or close, but the image that the aspect ratio of the picture (i.e. displaying ratio) of display image is different, the suitable viewing distance corresponding with this image is not identical.Such as, 42 inches, displaying ratio is the display screen of 16:9, the suitable viewing distance of its test simulation is about 2.7 meters; And 43 inches, displaying ratio is the display screen of 4:3, the suitable viewing distance of its test simulation is about 3.3 meters, and the two difference is larger.Therefore, Fig. 2 only illustrates by corresponding analogue test, and the one-to-one relationship between the suitable display size mated with this distance under obtaining different distance, concrete numerical value is in this no limit.
In aforesaid way one, the distance between beholder and described display screen can be carried out the quantification in some intervals.The rule quantized can be such as: 0 ~ L
1distance measurements turn to distance L
1, with this distance L
1the suitable of correspondence shows dimensions as S
1, L
1~ L
2distance measurements turn to distance L
2, with this distance L
2the suitable of correspondence shows dimensions as S
2, L
2~ L
3distance measurements turn to distance L
3, with this distance L
3the suitable of correspondence shows dimensions as S
3, L
3~ L
4distance measurements turn to distance L
4, with this distance L
4the suitable of correspondence shows dimensions as S
4, L
4~ L
5distance measurements turn to distance L
5, with this distance L
5corresponding suitable display size is S
max(herein and hereinafter S
maxall represent the display size under full-screen display mode).
Example, shown in figure 2, when described display screen 10 show dimensions as 42 inches (be labeled as 42 in figure ") time, the distance obtained between beholder and described display screen is quantized interval L
2~ L
3between numerical value time, then in subsequent step display with this distance L
3corresponding display size S
4image, such as display size S
4(be labeled as 32 in the figure display size of ") that is 32 inches.Like this, can determine according to described distance the suitable display size showing image in described display screen fast, simplify the complexity regulating display size, improve the adaptivity of the display unit adopting above-mentioned vision-control method.
The second, for aforesaid way two, described suitable display size can be determined according to the proportionality coefficient between the display size under the full-screen display mode obtained in advance and the distance of mating.Such as, when being determined by test simulation and the display size S under full-screen display mode
maxcorresponding distance is L
maxtime, then there is the proportionality coefficient a of a suitable display size and respective distances:
Distance between acquisition beholder and described display screen is L
xtime, then by above-mentioned proportionality coefficient a can obtain this apart under suitable display size S
x, S
x=aLx.
Or described suitable display size also can be simulated according to pre-trial the suitable display size that draws and be changed about the function expression of distance, and namely the independent variable of described functional relation is distance (L
x), dependent variable is suitable display size (S
x).
For passing through size Selection unit, obtain the second instruction of suitable display size described in determination that beholder selects to send to described size determining unit after suitable display size, wherein, described size Selection unit is preset with the different suitable display size of alternative some display sizes.
Here, described size determining unit can be such as and display unit, as the remote controller of domestic television set coupling; Or also can be the physical button in display unit or the corresponding function key etc. on touching display screen, this is not restricted.
On the basis of the above, described in the above-mentioned vision-control that provides of the embodiment of the present invention, method is also wrapped
When described suitable display size is more than or equal to described screen size, full frame output image to display.
It should be noted that, when beholder is far away apart from described display screen, the suitable display size being determined to show in described display screen image by above-mentioned steps S01 has exceeded the display size of described display screen, because the maximum display size of display screen is limited, therefore, when described suitable display size is greater than described screen size, full frame output image to display.
Shown in figure 1-Fig. 5, the above-mentioned vision-control method that the embodiment of the present invention provides, can adopt software simulating, also can adopt hardware implementing, or adopts the mode of software and hardware combination to realize, and the present invention is in this no limit.
The embodiment of the present invention additionally provides a kind of display unit 01, and as shown in Figure 6, described display unit 01 comprises: display screen 10; Size determining unit 20, for determining the suitable display size showing image in described display screen 10 according to instruction; Area determination unit 30, for when described suitable display size is less than described screen size, determines that in described display screen 10 region with described suitable display size is image display area; Image-display units 40, for exporting image to display in described image display area.
On the basis of the above, described image-display units 40 also for, shown in figure 2 and/or Fig. 4, export image to display in described image display area while, the region controlled beyond described image display area presents black picture.
Further, described image-display units 40 comprises: the first image display subelement, for according to described suitable display size, regulates the resolution of image to display; Second image display subelement, for exporting the image after adjustment in described image display area.
Further, described instruction specifically can comprise following two kinds of forms, namely distance acquiring unit is passed through, the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen, and by size Selection unit, obtain the second instruction of suitable display size described in the determination that sends to described size determining unit after beholder selects suitable display size.
Wherein, described distance acquiring unit can be such as range finding inductor (as infrared/ultrasonic detection device) or imaging device (as first-class in made a video recording).
Described size Selection unit is preset with the different suitable display size of alternative some display sizes.Here, described size determining unit can be such as and display unit, as the remote controller of domestic television set coupling; Or also can be the physical button in display unit or the corresponding function key etc. on touching display screen, this is not restricted.
Further, shown in figure 7 (a)-Fig. 7 (c), the region of above-mentioned zone determining unit 30 also for determining to have described suitable display size corresponds to the region of beholder relative to described display screen 10.In the case, aforesaid described distance acquiring unit also for obtaining described beholder's position coordinates, with the region making described area determination unit 30 can determine to have according to the position coordinates of described beholder described suitable display size.
Further, for the situation that described instruction is the first instruction, specifically by determining described suitable display size by following two kinds of modes, namely distance acquiring unit is passed through, the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen, described size determining unit 20, specifically for by parameter lookup table, searches the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size; Or the functional relation of described size determining unit 20 specifically for presetting according to described Distance geometry, obtains the suitable display size showing image in described display screen 10; The independent variable of described functional relation is distance, and dependent variable is suitable display size.
Further, described image-display units 40 also for, when described suitable display size is more than or equal to described screen size, full frame output image to display.
By the above-mentioned display unit 01 that the embodiment of the present invention provides, the display size that can realize showing image in described display screen adjusts automatically according to instruction, enhance the adaptivity of display unit, ensure that the display image that beholder watches all has suitable display size.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (12)
1. a vision-control method for display unit, described display unit comprises: display screen; It is characterized in that, described method comprises:
By the instruction that size determining unit receives, determine the suitable display size showing image in described display screen;
When described suitable display size is less than described screen size, by area determination unit, in described display screen, determine that a region with described suitable display size is image display area;
By image-display units, in described image display area, export image to display.
2. method according to claim 1, it is characterized in that, described method also comprises: export image to display in described image display area while, and by described image-display units, the region controlled beyond described image display area presents black picture.
3. method according to claim 2, is characterized in that, described image-display units comprises the first image display subelement, the second image display subelement;
Describedly in described image display area, export image to display, comprising:
According to described suitable display size, by described first image display subelement, regulate the resolution of image to display;
By described second image display subelement, the image after regulating is exported in described image display area.
4. the method according to any one of claims 1 to 3, it is characterized in that, described instruction comprises, by distance acquiring unit, and the first instruction determining described suitable dimension according to described distance sent to described size determining unit after obtaining the spacing of beholder and described display screen;
The described instruction received by size determining unit, determine the suitable display size showing image in described display screen, comprising:
By parameter lookup table, search the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size;
Or, according to the functional relation that described Distance geometry presets, obtain the suitable display size showing image in described display screen; Wherein, the independent variable of described functional relation is distance, and dependent variable is suitable display size.
5. the method according to any one of claims 1 to 3, it is characterized in that, described instruction comprises, and by size Selection unit, obtains the second instruction of suitable display size described in determination that beholder selects to send to described size determining unit after suitable display size;
Wherein, described size Selection unit is preset with the different suitable display size of alternative some display sizes.
6. the method according to any one of claims 1 to 3, is characterized in that, described method also comprises:
When described suitable display size is more than or equal to described screen size, by described image-display units, full frame output image to display.
7. a display unit, is characterized in that, comprising:
Display screen;
Size determining unit, for determining the suitable display size showing image in described display screen according to instruction;
Area determination unit, for when described suitable display size is less than described screen size, determines that in described display screen a region with described suitable display size is image display area;
Image-display units, for exporting image to display in described image display area.
8. display unit according to claim 7, is characterized in that, described image-display units also for, export image to display in described image display area while, the region controlled beyond described image display area presents black picture.
9. display unit according to claim 8, is characterized in that, described image-display units comprises:
First image display subelement, for according to described suitable display size, regulates the resolution of image to display;
Second image display subelement, for exporting the image after adjustment in described image display area.
10. the display unit according to any one of claim 7 to 9, is characterized in that, described display unit also comprises the distance acquiring unit of the spacing obtaining beholder and described display screen;
Described instruction comprises, the first instruction determining described suitable dimension according to described distance sent to described size determining unit by described distance acquiring unit;
Described size determining unit, specifically for by parameter lookup table, searches the suitable display size that described distance is corresponding; Wherein, described parameter lookup table comprises: the corresponding relation of distance and suitable display size; Or,
Specifically for the functional relation preset according to described Distance geometry, obtain the suitable display size showing image in described display screen; The independent variable of described functional relation is distance, and dependent variable is suitable display size.
11. display unit according to any one of claim 7 to 9, it is characterized in that, described display unit also comprises size Selection unit; Wherein, described size Selection unit is preset with the different suitable display size of alternative some display sizes;
Described instruction comprises, the second instruction of the suitable display size of determination sent to described size determining unit by described size Selection unit.
12. display unit according to any one of claim 7 to 9, is characterized in that, described image-display units also for, when described suitable display size is more than or equal to described screen size, full frame output image to display.
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