CN108597435A - Method and its device, the display device of display for controlling the display panel - Google Patents
Method and its device, the display device of display for controlling the display panel Download PDFInfo
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- CN108597435A CN108597435A CN201810402876.7A CN201810402876A CN108597435A CN 108597435 A CN108597435 A CN 108597435A CN 201810402876 A CN201810402876 A CN 201810402876A CN 108597435 A CN108597435 A CN 108597435A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The embodiment provides the methods of the display for controlling the display panel.In the method, the low clear image with first resolution of image is obtained, and obtains the high-definition image with second resolution of the first area of image, wherein second resolution is higher than first resolution.According to low clear image, the backlight data for display is determined.According to low clear image, high-definition image and backlight data, the display pixel data for display are generated.Backlight data and display pixel data are provided to display panel.According to an embodiment of the invention, the transmission quantity of image data can be reduced, and improves display effect.
Description
Technical field
The present invention relates to image display technology field, the method and its dress of the display more particularly, to controlled the display panel
It sets, display device.
Background technology
With the development of display technology, the resolution ratio of the image shown by display panel and refresh rate are higher and higher.Work as figure
When the whole region of picture all has high-resolution, need to transmit a large amount of image data.On existing data-interface, due to
The bandwidth of data-interface is insufficient, and the transmission of image data receives very big limitation.This causes image to will appear tearing in display
Phenomenon, to influence display effect.
Invention content
The embodiment provides the method for the display for controlling the display panel and its device, display device, energy
The transmission quantity of image data is enough reduced, and improves display effect.
According to the first aspect of the invention, a kind of method of the display for controlling the display panel is provided.In this method
In, obtain the low clear image with first resolution of image, and obtain the image first area have second resolution
High-definition image, wherein second resolution be higher than first resolution.According to low clear image, the backlight data for display is determined.
According to low clear image, high-definition image and backlight data, the display pixel data for display are generated.Then, it is carried to display panel
For backlight data and display pixel data.
In an embodiment of the present invention, determine that the backlight data for display includes：According to multiple backlights of display panel
Low clear image is divided into corresponding multiple low clear regions by subregion；And the pixel data according to multiple low clear regions, determine phase
The backlight data for the backlight subarea answered.
In an embodiment of the present invention, according to low clear image, high-definition image and backlight data, the display for display is generated
Pixel data includes：Low clear image and high-definition image are synthesized into display image；It, will according to multiple backlight subareas of display panel
Display image is divided into corresponding multiple pixel regions；For each in multiple pixel regions：If pixel region belongs to
High-definition image, then according to corresponding with pixel region in the backlight data of backlight subarea corresponding with pixel region and high-definition image
Pixel data, generate the display pixel data of pixel region；If pixel region is not belonging to high-definition image, basis and pixel
Pixel data corresponding with pixel region in the backlight data of the corresponding backlight subarea in region and low clear image generates pixel region
Display pixel data.
In an embodiment of the present invention, the display pixel data for generating pixel region include：If pixel region belongs to high
Clear image, then：Based on the backlight data of backlight subarea corresponding with pixel region, generated in pixel region using point spread function
Each pixel pixel backlight data；And for each pixel in pixel region, calculating display pixel data are Xi'=
A×Xi+B×XBL_i, wherein i indicates pixel i, X in the pixel regioniIndicate the pixel i in the high-definition image
Pixel data, XBL_iIndicate that the pixel backlight data of the pixel i, A and B indicate constant；If pixel region is not belonging to height
Clear image, then：Based on the backlight data of backlight subarea corresponding with pixel region, generated to pixel region using point spread function
In each pixel pixel backlight data；And for each pixel in pixel region, calculating display pixel data are Yi’
=A × Yi+B×YBL_i, wherein i indicates pixel i, Y in the pixel regioniIndicate the pixel in the low clear image
The pixel data of i, YBL_iIndicate that the pixel backlight data of the pixel i, A and B indicate constant.
In an embodiment of the present invention, pixel data includes the gray value or brightness value of pixel.
In an embodiment of the present invention, first area is the middle section or corresponding with the watching area of viewer of image
Region.
In an embodiment of the present invention, first resolution is greater than or equal to a quarter of the original resolution of image.
According to the second aspect of the invention, a kind of device of the display for controlling the display panel is provided.The device packet
It includes：One or more processors；Memory couples with processor, and is stored with computer program instructions, wherein computer
Program instruction makes device when being executed by processor：Obtain the low clear image with first resolution of image；Obtain image
First area the high-definition image with second resolution, wherein second resolution be higher than first resolution；According to low clear figure
Picture determines the backlight data for display；According to low clear image, high-definition image and backlight data, the display for display is generated
Pixel data；And provide backlight data and display pixel data to display panel.
In an embodiment of the present invention, computer program instructions make device pass through following operation when being executed by processor
To determine the backlight data for display：According to multiple backlight subareas of display panel, low clear image is divided into corresponding more
A low clear region；And the pixel data according to multiple low clear regions, determine the backlight data of corresponding backlight subarea.
In an embodiment of the present invention, computer program instructions make device pass through following operation when being executed by processor
, according to low clear image, high-definition image and backlight data, to generate the display pixel data for display：By low clear image and high definition
Image synthesizes display image；According to multiple backlight subareas of display panel, display image is divided into corresponding multiple pixels
Region；For each in multiple pixel regions：If pixel region belongs to high-definition image, according to corresponding with pixel region
Backlight subarea backlight data and high-definition image in pixel data corresponding with pixel region, generate the display picture of pixel region
Prime number evidence；If pixel region is not belonging to high-definition image, according to the backlight data of backlight subarea corresponding with pixel region and
Pixel data corresponding with pixel region in low clear image, generates the display pixel data of pixel region.
In an embodiment of the present invention, computer program instructions make device pass through following operation when being executed by processor
The display pixel data in next life pixel region：If the pixel region belongs to the high-definition image,：Based on the picture
The backlight data of the corresponding backlight subarea in plain region, the picture of each pixel in the pixel region is generated using point spread function
Plain backlight data；And for each pixel in the pixel region, calculating display pixel data are Xi'=A × Xi+B×
XBL_i, wherein i indicates the pixel i in the pixel region；XiIndicate the corresponding pixels of the pixel i in the high-definition image
Data；XBL_iIndicate the pixel backlight data of the pixel i；A and B indicates constant；If the pixel region is not belonging to described
High-definition image, then：Based on the backlight data of backlight subarea corresponding with the pixel region, generated to institute using point spread function
State the pixel backlight data of each pixel in pixel region；And for each pixel in the pixel region, for institute
Each pixel in pixel region is stated, calculating display pixel data are Yi'=A × Yi+B×YBL_i, wherein i indicates the pixel
Pixel i, Y in regioniIndicate the pixel data of the pixel i in the low clear image, YBL_iIndicate the picture of the pixel i
Plain backlight data, A and B indicate constant.
In an embodiment of the present invention, pixel data includes the gray value or brightness value of pixel.
In an embodiment of the present invention, first area is the middle section or corresponding with the watching area of viewer of image
Region.
In an embodiment of the present invention, first resolution is greater than or equal to a quarter of the original resolution of image.
According to the third aspect of the invention we, a kind of display device is provided.The display device includes：Display panel；And
Device in the second aspect of the present invention is coupled with display panel.
According to an embodiment of the invention, by handling image so that a part of region of shown image has
There is higher resolution ratio, the region except the subregion has lower resolution ratio.This can reduce the transmission of image data
Amount, and the contrast of shown image is improved, to improve display effect.
The further aspect and range of adaptability become apparent from description provided herein.It should be appreciated that the application
Various aspects can combine implementation individually or with one or more of the other aspect.It is also understood that description herein and
Specific embodiment is intended to the purpose of explanation, it is no intended to limit scope of the present application.
Description of the drawings
Attached drawing described herein is for the purpose only to the explanation of selected embodiment, not all possible reality
Mode is applied, and is not intended to be limited to scope of the present application, wherein：
Fig. 1 is the schematic flow chart of the method for the display according to an embodiment of the invention for controlling the display panel；
Fig. 2 is the schematic diagram of the process for illustrating to obtain low clear image and high-definition image；
Fig. 3 is the schematic flow chart for illustrating to determine the process of the backlight data for display in embodiment shown in FIG. 1；
Fig. 4 a are the schematic diagrames of backlight diffusion ideally；
Fig. 4 b are the schematic diagrames of the backlight diffusion under actual conditions；
Fig. 5 is the schematic stream for illustrating to generate the process of the display pixel data for display in embodiment shown in FIG. 1
Cheng Tu；
Fig. 6 schematically shows low clear image and high-definition image synthesizes the process of display image；
Fig. 7 is the schematic block diagram of the device of the display according to an embodiment of the invention for controlling the display panel；
Fig. 8 is the schematic block diagram of display device according to an embodiment of the invention.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the reality of the present invention
The technical solution of the embodiment of the present invention is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment
Only it is a part of the embodiment of the present invention, instead of all the embodiments.Based on described the embodiment of the present invention, this field
The every other embodiment that those of ordinary skill is obtained under the premise of without creative work belongs to what the present invention protected
Range.Carry out below with reference to attached drawing and in conjunction with the embodiments the embodiment that the present invention will be described in detail.It should be noted that not rushing
In the case of prominent, the feature in embodiment in the present invention can be combined with each other.
In the description in this application, " resolution ratio of image " refers to the number for the pixel that per inch is included, with PPI come
It indicates.
In order to obtain high definition display effect, the whole region of usual image all has high-resolution, big therefore, it is necessary to transmit
The image data of amount.But on existing data-interface, since the bandwidth of data-interface is insufficient, the transmission of image data receives
Limitation.In addition, in the central foveal area of human eye, it is dispersed with highdensity cone cell, these cone cells have best
Visual resolving power.And from the center of human eye outwardly away from certain angle, cone cell density continuously decreases, visual discrimination and sense
Know that ability also accordingly declines.Therefore, viewer is quicker to the resolution ratio of the image in the central area of human eye when watching image
Sense, and it is insensitive to the resolution ratio of the image outside the central area of human eye.
Liquid crystal display panel generally includes display panel and provides the backlight module of light for display panel.When shown
The part of image have relatively low gray value when, if light state is still presented in backlight module, cause display panel need be in
There is light leakage phenomena in the part of existing relatively low gray value.Therefore, it is necessary to the gray values according to image, locally adjust backlight module
Backlight brightness values.Display panel can be divided into multiple backlight subareas, backlight module can adjust the backlight of each backlight subarea
Brightness value.This can also improve the contrast of shown image to avoid light leakage phenomena.
Fig. 1 is the schematic flow chart of the method for the display according to an embodiment of the invention for controlling the display panel.
As shown in Figure 1, in a step 102, obtaining the low clear image of image.The resolution ratio of low clear image is also referred to as " first resolution ",
In general, first resolution is less than the original resolution of image.It in an embodiment of the present invention, can be by several pixel pressures of image
A pixel is shortened into, to generate low clear image.It should be known to those skilled in the art that the low clear figure of other acquisitions can also be used
The method of picture.In an example embodiment, first resolution can be greater than or equal to a quarter of original resolution and small
In original resolution.
At step 104, the high-definition image of the first area of image is obtained.The resolution ratio of high-definition image is also referred to as " second
Resolution ratio ", wherein second resolution is higher than first resolution.It in an embodiment of the present invention, can be by each of first area
Pixel rendering is at multiple pixels, to generate the high-definition image of first area.It should be known to those skilled in the art that can also adopt
With other methods for obtaining high-definition image.In an embodiment of the present invention, first area can be arranged to the middle section of image.
In this case, by each pixel rendering in the middle section of image at multiple pixels, to generate the high definition of middle section
Image.Alternatively, first area can be determined based on the watching area of viewer.Watching area can be with eyeball position
It is set within the scope of 30 ° of center.In an embodiment of the present invention, the eyeball position of viewer is can detect, and is determined with eyeball position
30 ° of region for being set to center is watching area.Then, it according to watching area, can determine that the corresponding region of image is the firstth area
Domain.
Fig. 2 is the schematic diagram of the process for illustrating to obtain low clear image and high-definition image.In this example embodiment, first area
202 are arranged to the middle section of image 20.As shown in Figure 2, it is assumed that the resolution ratio of image 20 is 2PPI, and image 20 includes
18 × 18 pixels.By compressing image 20, corresponding low clear image 21 can get.In this example, it is assumed that low clear image 21
Resolution ratio be 1PPI, including 9 × 9 pixels.As shown in Fig. 2, a pixel of low clear image 21 can be with four of image 20
Pixel corresponds to.In addition, the first area 202 by rendering image 20, obtains the high-definition image 22 of first area 202.Originally showing
In example, it is assumed that the resolution ratio of high-definition image 22 is 4PPI, including 12 × 12 pixels.As shown in Fig. 2, four of high-definition image 22
Pixel corresponds to a pixel in the first area 202 of image 20.
In the example of Fig. 2, the resolution ratio of each image is merely illustrative.Processing shown in Fig. 2 is applicable to various resolution ratio
Image.
In step 106, according to acquired low clear image, the backlight data for display is determined.Identified backlight
Data are provided to the backlight module of display panel, and backlight data, adjusting backlight luminance value are based on by backlight module.
Fig. 3 is the schematic flow chart for illustrating to determine the process of the backlight data for display in embodiment shown in FIG. 1.
As shown in figure 3, in step 1062, according to multiple backlight subareas of display panel, low clear image is divided into corresponding multiple
Low clear region.In an embodiment of the present invention, if there is display panel N × M backlight subarea, low clear image to be also divided
At N × M low clear regions.In the example shown in Fig. 2, it is assumed that display panel has 3 × 3 backlight subareas, then low clear image
21 are divided into 3 × 3 low clear regions (as shown in Figure 2), wherein each low clear region includes 9 pixels.
Then, in step 1064, according to the pixel data in each low clear region, the backlight of corresponding backlight subarea is determined
Data.In an embodiment of the present invention, pixel data can be the brightness value of pixel or can be exchanged into the gray value of brightness value, the back of the body
Light data can be backlight brightness values.In an example embodiment, for each backlight subarea, the corresponding areas Di Qing are calculated
The sum of gray value of all pixels in domain, and calculate average gray value.Then, according to average gray value, it may be determined that backlight point
The backlight brightness values in area.In the figure 2 example, for backlight subarea corresponding with low clear region a, 9 in low clear region a are calculated
The sum of the gray value of a pixel, and calculate average gray value.Then, according to average gray value, it may be determined that the back of the body of the backlight subarea
Brightness values are C.Similarly, for backlight subarea corresponding with low clear region b, 9 pixels in low clear region b can be calculated
The sum of gray value, and average gray value is calculated, and then determine that the backlight brightness values of the backlight subarea are D.Using same method,
It can determine the backlight brightness values of other 7 backlight areas.
In the ideal case, when a backlight subarea in multiple backlight subareas is lit according to its backlight data,
Hot spot identical with the shape of backlight subarea, such as rectangular light spot should be shown on display panel, as shown in fig. 4 a.But due to
The influence of backlight diffusion, actual displayed is not rectangular light spot on a display panel, but round or ellipse hot spot,
As shown in Figure 4 b.Therefore, in order to show ideal light spot shape on a display panel, the influence spread to backlight is needed to mend
It repays.
In step 108, according to low clear image, high-definition image and backlight data, the display pixel number for display is generated
According to.The display pixel data generated can compensate for the influence of backlight diffusion.Fig. 5 is to illustrate to generate in embodiment shown in FIG. 1
The schematic flow chart of the process of display pixel data for display.
As shown in figure 5, in step 1080, low clear image and high-definition image are synthesized into display image.Fig. 6 is schematically
Show that low clear image 21 and high-definition image 22 synthesize the process of display image 23.As shown in fig. 6, by low clear image 21 and height
Clear image 22 is spliced, and image 23 is shown to obtain.It should be noted that the resolution ratio of display panel should be greater than high-definition image
22 resolution ratio, can show high-definition image 22.
In step 1082, according to multiple backlight subareas of display panel, display image 23 is divided into corresponding multiple
Pixel region.In an embodiment of the present invention, if display panel has N × M backlight subarea, show that image is also divided into
N × M pixel region.In the example shown in Fig. 6, display panel has 3 × 3 backlight subareas, then shows that image 23 is drawn
It is divided into 3 × 3 pixel regions.
In step S1084, for each in multiple pixel regions, judge whether the pixel region belongs to high definition figure
As 22.In the example shown in Fig. 6, pixel region a belongs to high-definition image 22, including 144 pixels, and pixel region b does not belong to
In high-definition image 22, including 9 pixels.
For belonging to the pixel region of high-definition image, such as pixel region a, in step 1086, according to pixel region a
Pixel data corresponding with pixel region a in the backlight data and high-definition image 22 of corresponding backlight subarea generates pixel region
The display pixel data of domain a.
In an embodiment of the present invention, first, the backlight data based on backlight subarea corresponding with pixel region a, such as
Backlight brightness values generate corresponding pixel backlight data using point spread function to each pixel i in pixel region a
XBL_i.Then, the display pixel data X of each pixel i is calculatedi'=A × Xi+B×XBL_i, wherein XiIndicate high-definition image in picture
The corresponding pixel data of plain i, XBL_iIndicate that the pixel backlight data of pixel i, A and B indicate constant.
For being not belonging to the pixel region of high-definition image, such as pixel region b, then in step 1088, according to pixel
Pixel data corresponding with pixel region b in the backlight data of the corresponding backlight subareas region b and low clear image 21 generates picture
The display pixel data of plain region b.
In an embodiment of the present invention, first, the backlight data based on backlight subarea corresponding with pixel region b, such as
Backlight brightness values generate corresponding pixel backlight data using point spread function to each pixel i in pixel region b
YBL_i.Then, the display pixel data Y of each pixel i is calculatedi'=A × Yi+B×YBL_i, wherein YiIndicate in low clear image with picture
The corresponding pixel data of plain i, YBL_iIndicate that the pixel backlight data of pixel i, A and B indicate constant.
In step 110, backlight data and display pixel data are provided to display panel, for showing on a display panel
Diagram picture.In an embodiment of the present invention, the backlight module of display panel can adjust brightness, display panel according to backlight data
LCD Controlling module can control the voltage being applied on liquid crystal molecule according to display pixel data so that display panel
It can show image.
It is shown on a display panel by above description as can be seen that using method according to an embodiment of the invention
A part of region of image there is higher resolution ratio, the region except the subregion has lower resolution ratio.It can be with
Make the high-definition image of first area human eye central foveal area within sweep of the eye, the low clear image except first area is in the visual field
In peripheral extent.When the first resolution of low clear image is greater than or equal to a quarter of original resolution, human eye is difficult to area
Divide the edge of high-definition image and low clear image.Therefore, this method can improve display effect, and reduce the transmission of image data
Amount.
Flow chart shown in FIG. 1 is used only for example, wherein step 102 can parallel be executed with step 104, Huo Zheke
Step 102 is executed again to first carry out step 104.It will be apparent to one skilled in the art that the flow chart to shown in or in which retouching
The step of stating carries out various modifications.
Fig. 7 is the illustrated steps of the device 70 of the display according to an embodiment of the invention for controlling the display panel
Figure.As shown in fig. 7, device 70 includes one or more processors 702 and memory 704.Memory 704 and processor 702
It is coupled by bus and I/O interfaces 706, and stores computer program instructions.When computer program instructions are executed by processor 702
When, device 70 is executable such as the step of Fig. 1, Fig. 3 and the method for the display shown in fig. 5 controlled the display panel.
In an embodiment of the present invention, device 70 can obtain the low clear image with first resolution of image.In general, should
First resolution is less than the original resolution of image.In an embodiment of the present invention, first resolution can be greater than or equal to original
The a quarter of resolution ratio.Device 70 can also obtain the high-definition image with second resolution of the first area of image, this
Two high resolutions are in first resolution.In an embodiment of the present invention, the first area of the image acquired in device 70 is image
Middle section or region corresponding with the watching area of viewer.
Further, device 70 can determine the backlight data for display according to low clear image.In the embodiment of the present invention
In, low clear image can be divided into corresponding multiple low clear regions by device 70 according to multiple backlight subareas of display panel.So
Afterwards, device 70 can determine the backlight data of corresponding backlight subarea according to the pixel data in multiple low clear regions.
Then, device 70 can generate the display pixel number for display according to low clear image, high-definition image and backlight data
According to.In an embodiment of the present invention, low clear image and high-definition image can be synthesized display image by device 70.Then, device 70
Display image can be divided into corresponding multiple pixel regions according to multiple backlight subareas of display panel.For multiple pixels
Each in region, if pixel region belongs to high-definition image, device 70 can be according to backlight corresponding with pixel region point
Pixel data corresponding with pixel region in the backlight data and high-definition image in area, generates the display pixel data of pixel region.
If pixel region is not belonging to high-definition image, device 70 can according to the backlight data of backlight subarea corresponding with pixel region and
Pixel data corresponding with pixel region in low clear image, generates the display pixel data of pixel region.
Further, in an embodiment of the present invention, if pixel region belongs to high-definition image, device 70 can be based on
The backlight data of the corresponding backlight subarea of pixel region generates the pixel of each pixel in pixel region using point spread function
Backlight data.For each pixel in pixel region, it is X that device 70, which can calculate display pixel data,i'=A × Xi+B×
XBL_i, wherein i indicates the pixel in pixel region, XiIndicate the pixel data of the pixel i in high-definition image, XBL_iIndicate pixel
The pixel backlight data of i, A and B indicate constant.If pixel region is not belonging to high-definition image, device 70 can be based on and pixel
The backlight data of the corresponding backlight subarea in region is generated using point spread function and is carried on the back to the pixel of each pixel in pixel region
Light data.For each pixel in pixel region, it is Y that device 70, which can calculate display pixel data,i'=A × Yi+B×YBL_i,
Wherein, i indicates the pixel in pixel region, YiIndicate the pixel data of the pixel i in low clear image, YBL_iIndicate pixel i's
Pixel backlight data, A and B indicate constant.
Then, device 70 can provide backlight data and display pixel data to display panel, to show on a display panel
Show corresponding image.
In an embodiment of the present invention, device 70 may be implemented as individual device, or can be integrated in display panel
In.
Fig. 8 is the illustrated steps figure of display device 80 according to an embodiment of the invention.As shown in figure 8, display device
80 may include display panel 802, and the device shown in Fig. 7 70 coupled with display panel 802.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of method of display for controlling the display panel, including：
Obtain the low clear image with first resolution of image；
Obtain the high-definition image with second resolution of the first area of described image, wherein the second resolution is higher than
The first resolution；
According to the low clear image, the backlight data for the display is determined；
According to the low clear image, the high-definition image and the backlight data, the display pixel number for the display is generated
According to；And
The backlight data and the display pixel data are provided to the display panel.
2. according to the method described in claim 1, wherein it is determined that the backlight data for the display includes：
According to multiple backlight subareas of the display panel, the low clear image is divided into corresponding multiple low clear regions；With
And
According to the pixel data in the multiple low clear region, the backlight data of corresponding backlight subarea is determined.
3. according to the method described in claim 2, wherein, according to the low clear image, the high-definition image and the backlight number
According to display pixel data of the generation for the display include：
The low clear image and the high-definition image are synthesized into display image；
According to multiple backlight subareas of the display panel, the display image is divided into corresponding multiple pixel regions；
For each in the multiple pixel region：
If the pixel region belongs to the high-definition image, according to the backlight of backlight subarea corresponding with the pixel region
Pixel data corresponding with the pixel region in data and the high-definition image, generates the display pixel number of the pixel region
According to；
If the pixel region is not belonging to the high-definition image, according to the back of the body of backlight subarea corresponding with the pixel region
Pixel data corresponding with the pixel region in light data and the low clear image, generates the display pixel of the pixel region
Data.
4. according to the method described in claim 3, wherein, the display pixel data for generating the pixel region include：
If the pixel region belongs to the high-definition image,：
Based on the backlight data of backlight subarea corresponding with the pixel region, the pixel region is generated using point spread function
In each pixel pixel backlight data；And
For each pixel in the pixel region, calculating display pixel data are Xi'=A × Xi+B×XBL_i, wherein i tables
Show the pixel in the pixel region, XiIndicate the pixel data of the pixel i in the high-definition image, XBL_iDescribed in expression
The pixel backlight data of pixel i, A and B indicate constant；
If the pixel region is not belonging to the high-definition image,：
Based on the backlight data of backlight subarea corresponding with the pixel region, the pixel region is generated using point spread function
In each pixel pixel backlight data；And
For each pixel in the pixel region, calculating display pixel data are Yi'=A × Yi+B×YBL_i, wherein i tables
Show the pixel in the pixel region, YiIndicate the pixel data of the pixel i in the low clear image, YBL_iDescribed in expression
The pixel backlight data of pixel i, A and B indicate constant.
5. method according to claim 1 to 4, wherein the pixel data include pixel gray value or
Brightness value.
6. according to the method described in claim 1, wherein, the first area is middle section or and the viewer of described image
The corresponding region of watching area.
7. according to the method described in claim 1, wherein, the first resolution is greater than or equal to the original resolution of described image
The a quarter of rate.
8. a kind of device of display for controlling the display panel, including：
One or more processors；
Memory couples with the processor, and is stored with computer program instructions, wherein the computer program instructions
Make described device when being executed by the processor：
Obtain the low clear image with first resolution of image；
Obtain the high-definition image with second resolution of the first area of described image, wherein the second resolution is higher than
The first resolution；
According to the low clear image, the backlight data for the display is determined；
According to the low clear image, the high-definition image and the backlight data, the display pixel number for the display is generated
According to；And
The backlight data and the display pixel data are provided to the display panel.
9. device according to claim 8, wherein the computer program instructions make when being executed by the processor
Described device determines the backlight data for the display by following operation：
According to multiple backlight subareas of the display panel, the low clear image is divided into corresponding multiple low clear regions；With
And
According to the pixel data in the multiple low clear region, the backlight data of corresponding backlight subarea is determined.
10. device according to claim 9, wherein the computer program instructions make when being executed by the processor
Described device is obtained by following operation to be used for according to the low clear image, the high-definition image and the backlight data, generation
The display pixel data of the display：
The low clear image and the high-definition image are synthesized into display image；
According to multiple backlight subareas of the display panel, the display image is divided into corresponding multiple pixel regions；
For each in the multiple pixel region：
If the pixel region belongs to the high-definition image, according to the backlight of backlight subarea corresponding with the pixel region
Pixel data corresponding with the pixel region in data and the high-definition image, generates the display pixel number of the pixel region
According to；
If the pixel region is not belonging to the high-definition image, according to the back of the body of backlight subarea corresponding with the pixel region
Pixel data corresponding with the pixel region in light data and the low clear image, generates the display pixel of the pixel region
Data.
11. device according to claim 10, wherein the computer program instructions make when being executed by the processor
Described device is obtained by following operation to generate the display pixel data of the pixel region：
If the pixel region belongs to the high-definition image,：
Based on the backlight data of backlight subarea corresponding with the pixel region, the pixel region is generated using point spread function
In each pixel pixel backlight data；And
For each pixel in the pixel region, calculating display pixel data are Xi'=A × Xi+B×XBL_i, wherein i is indicated
Pixel i in the pixel region；XiIndicate the corresponding pixel datas of the pixel i in the high-definition image；XBL_iIndicate institute
State the pixel backlight data of pixel i；A and B indicates constant；
If the pixel region is not belonging to the high-definition image,：
Based on the backlight data of backlight subarea corresponding with the pixel region, generated to the pixel region using point spread function
The pixel backlight data of each pixel in domain；And
For each pixel in the pixel region, calculating display pixel data are Yi'=A × Yi+B×YBL_i, wherein i tables
Show the pixel i, Y in the pixel regioniIndicate the pixel data of the pixel i in the low clear image, YBL_iDescribed in expression
The pixel backlight data of pixel i, A and B indicate constant.
12. the device according to any one of claim 8 to 11, wherein the pixel data includes the gray value of pixel
Or brightness value.
13. device according to claim 8, wherein the first area be described image middle section or with viewing
The corresponding region of watching area of person.
14. device according to claim 8, wherein the first resolution is greater than or equal to original point of described image
The a quarter of resolution.
15. a kind of display device, including：
Display panel；And
Device according to any one of claim 8 to 14 is coupled with the display panel.
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