CN103165092A - Method and device of liquid crystal display - Google Patents
Method and device of liquid crystal display Download PDFInfo
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- CN103165092A CN103165092A CN2013100587571A CN201310058757A CN103165092A CN 103165092 A CN103165092 A CN 103165092A CN 2013100587571 A CN2013100587571 A CN 2013100587571A CN 201310058757 A CN201310058757 A CN 201310058757A CN 103165092 A CN103165092 A CN 103165092A
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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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0224—Details of interlacing
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
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Abstract
The invention provides a method and a device of liquid crystal display, and relates to liquid crystal display technique. After interlaced scanning image data are received or obtained in an interlaced scanning mode, lines in interlaced scanning images, not scanned, are compensated according to data having the same position with line data which are not scanned in current frames in image data of set quantity frames adjacent to the current frames, and therefore data difference between the lines which are not scanned in the interlaced scanning images and front-and-back two-frame corresponding lines in the current frames is reduced. The problem that line residual images occur when liquid crystal display is conducted through interlaced scanning is effectively resolved.
Description
Technical field
The present invention relates to lcd technology, relate in particular to a kind of method and device of liquid crystal display.
Background technology
Liquid crystal indicator comprises display panels and the backlight that shows for image.Display panels comprises again liquid crystal panel (panel), supply unit, and drive unit, drive unit comprises time sequence control device.Time sequence control device receives picture signal, and this picture signal is sent by the system end that obtains picture signal by scanning, and time sequence control device converts the system end picture signal that receives to data-signal that drive unit can receive.Drive unit line by line to the charging of the pixel electrode on liquid crystal panel, shows corresponding picture according to data-signal.
When system end adopts the 1080i interlaced image signals, use the System on Chip/SoC with 2 times of staggered scannings (2D Di-interlace) function to carry out the spatial domain compensation to interlaced image signals.Wherein the spatial domain compensation is that system end is for the even number line of the scan image data of scanning odd-numbered line, determine the data of this row according to its up and down two row data, odd-numbered line for the horizontally interlaced image data that scan even number line, determine the data of this row according to its up and down two row data, interlaced image signals after system end will compensate sends to time sequence control device, realizes liquid crystal display.
the deficiency of carrying out in this way liquid crystal display is, as shown in Figure 1, reticulate pattern intensive in Fig. 1 represents black, sparse reticulate pattern represents grey, when carrying out liquid crystal display, to a two field picture, its black and white intersection certainly exists data line and determines according to its up and down two row data, contrast in the middle of this row is shown as, the row data that are adjacent frame differ larger, need carry out positive and negative upset when showing due to liquid crystal molecule, the row data that this row is adjacent frame differ larger, when making the positive and negative upset of liquid crystal molecule, driving voltage is asymmetric, be in for a long time bias state, cause the liquid crystal molecule polarization, as shown in Figure 2, reticulate pattern intensive in Fig. 2 represents black, sparse reticulate pattern represents grey, when showing the gridiron pattern picture always, can form the line image retention at the black and white screen intersection.
At present, occur the problem of line image retention when carrying out liquid crystal display by staggered scanning, also there is no effective solution.
Summary of the invention
The embodiment of the present invention provides a kind of liquid crystal display method and device, is used for solving the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
A kind of liquid crystal display method comprises:
Receive the horizontally interlaced image data; Perhaps obtain the horizontally interlaced image data by staggered scanning;
For the frame of scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
For the frame of scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated;
Carry out liquid crystal display according to the horizontally interlaced image data after compensation.
A kind of liquid crystal indicator comprises:
Acquiring unit is used for receiving the horizontally interlaced image data, perhaps obtains the horizontally interlaced image data by staggered scanning;
The first compensating unit is used for the frame for the scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
The second compensating unit is used for the frame for the scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated;
Display unit is used for carrying out liquid crystal display according to the horizontally interlaced image data after compensation.
The embodiment of the present invention provides a kind of liquid crystal display method and device, after receiving or obtaining the horizontally interlaced image data by staggered scanning, to the row that is not scanned in horizontally interlaced image, according to the data of the capable data same position of not being scanned of present frame, this row being compensated in the view data of the setting number frame adjacent with present frame, thereby the data difference between the two frame corresponding row of the front and back of the row that reduces not to be scanned in horizontally interlaced image and present frame has effectively solved the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
Description of drawings
A kind of liquid crystal display method design sketch that Fig. 1 provides for prior art;
A kind of line image retention schematic diagram that Fig. 2 provides for prior art;
A kind of liquid crystal display method process flow diagram that Fig. 3 provides for the embodiment of the present invention;
A kind of method flow diagram that compensates for the horizontally interlaced image of scanning odd-numbered line that Fig. 4 provides for the embodiment of the present invention;
A kind of method flow diagram that scans for the horizontally interlaced image of scanning even number line that Fig. 5 provides for the embodiment of the present invention;
A kind of method of carrying out liquid crystal display according to the horizontally interlaced image after compensation that Fig. 6 provides for the embodiment of the present invention;
A kind of better liquid crystal display method process flow diagram that Fig. 7 provides for the embodiment of the present invention;
A kind of better liquid crystal indicator schematic diagram that Fig. 8 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of liquid crystal display method and device, after receiving or obtaining the horizontally interlaced image data by staggered scanning, to the row that is not scanned in horizontally interlaced image, according to the data of the capable data same position of not being scanned of present frame, this row being compensated in the view data of the setting number frame adjacent with present frame, thereby the data difference between the two frame corresponding row of the front and back of the row that reduces not to be scanned in horizontally interlaced image and present frame has effectively solved the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
As shown in Figure 3, the embodiment of the present invention provides a kind of liquid crystal display method, comprising:
S101, reception horizontally interlaced image data; Perhaps obtain the horizontally interlaced image data by staggered scanning;
S102, for the frame of scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
S103, for the frame of scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of present frame odd-numbered line data same position, the odd-numbered line of present frame frame is compensated;
S104, according to the compensation after the horizontally interlaced image data carry out liquid crystal display.
after receiving or obtaining interleaved view data by staggered scanning, view data is compensated processing, the staggered scanning data that receive with solution are not scanned capable data and are adjacent frame corresponding row data and differ larger problem, the method that compensates processing is for its data that are not scanned capable data same position, this row being compensated in the view data of row according to the frame of the setting number adjacent with this frame that is not scanned in horizontally interlaced image, the data of dwindling the row that is not scanned are adjacent the difference of frame corresponding row data, the asymmetric phenomenon of driving voltage when reducing the positive and negative upset of liquid crystal molecule, thereby effectively solved the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
wherein, the horizontally interlaced image data are compensated and can be carried out by the system end that obtains picture signal by scanning, also can be carried out by time sequence control device, when this compensation when being carried out by system end, these horizontally interlaced image data can be the horizontally interlaced image data of the countless certificates of scan line not, when this compensation is carried out by time sequence control device, these horizontally interlaced image data can be the horizontally interlaced image data through the system end compensation, namely scan line does not have the horizontally interlaced image data of data, horizontally interlaced image data through the system end compensation are specifically as follows the horizontally interlaced image data of it being carried out the spatial domain compensation, be that system end is for the even number line of the horizontally interlaced image data of scanning odd-numbered line, determine the data of this row according to its up and down two row data, odd-numbered line for the horizontally interlaced image data that scan even number line, determine the data of this row according to its up and down two row data.
Certainly, those skilled in the art can adopt other available apparatus as the executive agent that the horizontally interlaced image data are compensated, herein narration no longer one by one.
according to not compensating being scanned row with its data that are not scanned capable data same position in the view data of the frame of the setting number adjacent with every frame horizontally interlaced image, wherein, when the setting number is three, three frames adjacent with every frame horizontally interlaced image can be first three frames of this frame, perhaps rear three frames of this frame, two frames after perhaps the former frame of this frame reaches, concrete, according to not compensating being scanned row with its data that are not scanned capable data same position in the view data of the frame of the setting number adjacent with every frame horizontally interlaced image, can be to reach thereafter according to the front cross frame view data not compensate being scanned row with its data that are not scanned capable data same position in two frame image datas, perhaps reach thereafter according to its former frame view data and do not compensate being scanned row with its data that are not scanned capable data same position in two frame image datas, perhaps according to not compensating being scanned row with its data that are not scanned capable data same position in a frame image data thereafter, better, in S102 according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in the view data of the setting number frame adjacent with present frame, can be specially:
According to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame;
According to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in the view data of the setting number frame adjacent with present frame, can be specially in S103:
According to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and/or present frame.
Certainly, those skilled in the art can adopt other feasible patterns according to the even number of lines of the present frame data according to same position, the even number line that this image is not scanned being compensated in the view data of the setting number frame adjacent with present frame, narration no longer one by one herein; Certainly, those skilled in the art can adopt other feasible patterns according to the data of the odd-numbered line data same position of present frame, the odd-numbered line that this image is not scanned being compensated in the view data of the setting number frame adjacent with present frame, narration no longer one by one herein.
According to compensating with the data of the capable data same position of not being scanned of the present frame row that is not scanned to present frame in a rear frame image data of the former frame of present frame and/or present frame, can for compensating according to the data of the capable data same position of not being scanned of present frame, not being scanned of present frame being gone in the former frame view data of present frame, perhaps compensate according to the data that are not scanned capable same position of present frame, not being scanned of present frame being gone in a rear frame image data of present frame.
better, can offset data be set in the rear two field picture of the former frame image of present frame and present frame the form with the mean value of the data of the data same position of the row of needs compensation, and will need the data of the row that compensates to be defined as offset data, thereby make the data of a rear frame same position of the former frame of the data of the row that needs compensation and present frame and present frame the most approaching, concrete, as shown in Figure 4, according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame, specifically comprise:
S201, the offset data of determining the even number line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the even number of lines of the present frame mean value according to the data of same position; For the first two field picture, determine in the former frame image of present frame that be 0 with the even number of lines of present frame according to the data of same position; For the last frame image, determine in the rear two field picture of present frame that be 0 with the even number of lines of present frame according to the data of same position;
S202, determine present frame even number of lines according to being described offset data.
Certainly, those skilled in the art can adopt other feasible patterns according to the even number of lines of the present frame data according to same position, the even number line that present frame is not scanned being compensated in a rear frame image data of the former frame of present frame and/or present frame, narration no longer one by one herein.
As shown in Figure 5, according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and/or present frame, specifically comprise:
S301, the offset data of determining the odd-numbered line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the mean value of the data of the odd-numbered line data same position of present frame; For the first two field picture, determine in the former frame image of present frame that the data with the odd-numbered line data same position of present frame are 0; For the last frame image, determine in the rear two field picture of present frame that the data with the odd-numbered line data same position of present frame are 0;
S302, determine that the odd-numbered line data of present frame are offset data.
Certainly, those skilled in the art can adopt other feasible patterns according to the data of the odd-numbered line data same position of present frame, the odd-numbered line that present frame is not scanned being compensated in a rear frame image data of the former frame of present frame and/or present frame, narration no longer one by one herein.
In practical application, after the horizontally interlaced image data are compensated, need to determine the output data according to the horizontally interlaced image data, concrete, can determine the output data by the form of searching the output data according to the horizontally interlaced image data in showing data look-up table (Look Up Table, LUT), as shown in Figure 6, carry out liquid crystal display according to the horizontally interlaced image data after compensation in S104, specifically comprise:
S401, according to the compensation after the horizontally interlaced image data search the output data in LUT;
S402, according to output data carry out liquid crystal display.
further, if use time sequence control device to compensate, receive frame horizontally interlaced image data because time sequence control device is each, the horizontally interlaced image data of the rear frame of the former frame of every frame horizontally interlaced image data of receiving and present frame and present frame can be preserved, after current frame data is compensated, send to the demonstration data searching unit, the demonstration data searching unit is searched the output data according to the horizontally interlaced image data in LUT, especially, for the first frame horizontally interlaced image data, can be after rear frame horizontally interlaced image data of preserving present frame horizontally interlaced image data and present frame, the former frame horizontally interlaced image data of present frame are considered as 0, carry out the compensation to present frame, for last frame horizontally interlaced image data, can be after the former frame data of preserving present frame and present frame, the rear frame horizontally interlaced image data of present frame are considered as 0, carry out the compensation to present frame.Better, can the horizontally interlaced image data be kept in frame buffer (Frame Buffer) before compensation.
Concrete, as shown in Figure 7, the embodiment of the present invention provides a kind of better liquid crystal display method, comprising:
S501, the data of storing front and back two frames of present frame and present frame in Frame Buffer;
S502, for the frame of scanning odd-numbered line, the offset data of determining the even number line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the even number of lines of the present frame mean value according to the data of same position; For the first two field picture, determine in the former frame image of present frame that be 0 with the even number of lines of present frame according to the data of same position; For the last frame image, determine in the rear two field picture of present frame that be 0 with the even number of lines of present frame according to the data of same position; And definite present frame even number of lines certificate is described offset data;
S503, for the frame of scanning even number line, the offset data of determining the odd-numbered line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the mean value of the data of the odd-numbered line data same position of present frame; For the first two field picture, determine in the former frame image of present frame that the data with the odd-numbered line data same position of present frame are 0; For the last frame image, determine in the rear two field picture of present frame that the data with the odd-numbered line data same position of present frame are 0; And definite present frame odd-numbered line data are offset data;
S504, the current frame data after compensating exist in Frame Buffer, and export to LUT;
S505, according to the compensation after the horizontally interlaced image data search the output data in LUT;
S506, according to output data carry out liquid crystal display.
In practical application, S505 specifically comprises the data of comparison former frame and present frame, the GTG saltus step of specified data, and search the output data according to the GTG saltus step from LUT.
As shown in Figure 8, the embodiment of the present invention provides a kind of liquid crystal indicator, comprising:
Acquiring unit 801 is used for receiving the horizontally interlaced image data, perhaps obtains the horizontally interlaced image data by staggered scanning;
The first compensating unit 802 is used for the frame for the scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
The second compensating unit 803 is used for the frame for the scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated;
after receiving or obtaining interleaved view data by staggered scanning, view data compensates processing, the staggered scanning data that receive with solution are not scanned capable data and are adjacent frame corresponding row data and differ larger problem, the method that compensates processing is for its data that are not scanned capable data same position, this row being compensated in the view data of row according to the frame of the setting number adjacent with this frame that is not scanned in horizontally interlaced image, the data of dwindling the row that is not scanned are adjacent the difference of frame corresponding row data, the asymmetric phenomenon of driving voltage when reducing the positive and negative upset of liquid crystal molecule, thereby effectively solved the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
wherein, the horizontally interlaced image data are compensated and can be carried out by system end, also can be carried out by time sequence control device, when this compensation when being carried out by system end, these horizontally interlaced image data can be the horizontally interlaced image data of the countless certificates of scan line not, when this compensation is carried out by time sequence control device, these horizontally interlaced image data can be the horizontally interlaced image data through compensation, namely scan line does not have the horizontally interlaced image data of data, wherein the horizontally interlaced image data through over-compensation are specifically as follows the horizontally interlaced image data of it being carried out the spatial domain compensation, namely for the even number line of horizontally interlaced image data of scanning odd-numbered line, determine the data of this row according to its up and down two row data, odd-numbered line for the horizontally interlaced image data that scan even number line, determine the data of this row according to its up and down two row data.
Certainly, those skilled in the art can adopt other available apparatus as the executive agent that the horizontally interlaced image data are compensated, herein narration no longer one by one.
according to not compensating being scanned row with its data that are not scanned capable data same position in the view data of the frame of the setting number adjacent with every frame horizontally interlaced image data, wherein, when the setting number is three, three frames adjacent with every frame horizontally interlaced image can be first three frames of this frame, perhaps rear three frames of this frame, two frames after perhaps the former frame of this frame reaches, concrete, according to not compensating being scanned row with its data that are not scanned capable data same position in the view data of the frame of the setting number adjacent with every frame horizontally interlaced image, can be according to the front cross frame view data and thereafter two frame image datas to be scanned the row do not compensate, perhaps reach thereafter according to its former frame view data and do not compensate being scanned row with its data that are not scanned capable data same position in two frame image datas, perhaps according to not compensating being scanned row with its data that are not scanned capable data same position in a frame image data thereafter, better, the first compensating unit 802 is according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in the view data of the setting number frame adjacent with present frame, specifically be used for:
According to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame;
The second compensating unit 803 specifically is used for according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in the view data of the setting number frame adjacent with present frame:
According to determining the offset data of the odd-numbered line of present frame with the data of the odd-numbered line data same position of present frame in a rear frame image data of the former frame of present frame and/or present frame, and the odd-numbered line of present frame is compensated.
Certainly, those skilled in the art can adopt other feasible patterns according to the even number of lines of the present frame data according to same position, the even number line that this image is not scanned being compensated in the view data of the setting number frame adjacent with present frame, narration no longer one by one herein; Certainly, those skilled in the art can adopt other feasible patterns according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line that is not scanned to this image in the view data of the setting number frame adjacent with present frame, narration no longer one by one herein.
According to compensating with the data of the capable data same position of not being scanned of the present frame row that is not scanned to present frame in a rear frame image data of the former frame of present frame and/or present frame, can for compensating according to the data of the capable data same position of not being scanned of present frame, not being scanned of present frame being gone in the former frame view data of present frame, perhaps compensate according to the data that are not scanned capable same position of present frame, not being scanned of present frame being gone in a rear frame image data of present frame.
better, can offset data be set in the rear two field picture of the former frame image of present frame and present frame the form with the mean value of the data of the data same position of the row of needs compensation, and will need the data of the row that compensates to be defined as offset data, thereby make the data of a rear frame same position of the former frame of the data of the row that needs compensation and present frame and present frame the most approaching, concrete, the first compensating unit 802 is according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame, specifically be used for:
The offset data of determining the even number line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the even number of lines of the present frame mean value according to the data of same position; For the first two field picture, determine in the former frame image of present frame that be 0 with the even number of lines of present frame according to the data of same position; For the last frame image, determine in the rear two field picture of present frame that be 0 with the even number of lines of present frame according to the data of same position;
Determine that the even number of lines of present frame is according to being described offset data.
Certainly, those skilled in the art can adopt other feasible patterns according to the even number of lines of the present frame data according to same position, the even number line that present frame is not scanned being compensated in a rear frame image data of the former frame of present frame and present frame, narration no longer one by one herein.
The second compensating unit 803 specifically is used for according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and present frame:
The offset data of determining the odd-numbered line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the mean value of the data of the odd-numbered line data same position of present frame; For the first two field picture, determine in the former frame image of present frame that the data with the odd-numbered line data same position of present frame are 0; For the last frame image, determine in the rear two field picture of present frame that the data with the odd-numbered line data same position of present frame are 0;
The odd-numbered line data of determining present frame are offset data.
Certainly, those skilled in the art can adopt other feasible patterns according to the data of the odd-numbered line data same position of present frame, the odd-numbered line that present frame is not scanned being compensated in a rear frame image data of the former frame of present frame and present frame, narration no longer one by one herein.
In practical application, after the horizontally interlaced image data are compensated, need to determine the output data according to the horizontally interlaced image data, concrete, can be by showing data look-up table (Look Up Table according to the horizontally interlaced image data, LUT) search the form of output data in and determine the output data, display unit 804 carries out liquid crystal display according to the horizontally interlaced image data after compensating, and specifically is used for:
Search the output data according to the horizontally interlaced image data after compensation in LUT;
Carry out liquid crystal display according to described output data.
further, if use time sequence control device to compensate, receive frame horizontally interlaced image data because time sequence control device is each, the horizontally interlaced image data of the rear frame of the former frame of every frame horizontally interlaced image data of receiving and present frame and present frame can be preserved, after current frame data is compensated, send to the demonstration data searching unit, the demonstration data searching unit is searched the output data according to the horizontally interlaced image data in LUT, especially, for the first frame horizontally interlaced image data, can be after rear frame horizontally interlaced image data of preserving present frame horizontally interlaced image data and present frame, the former frame horizontally interlaced image data of present frame are considered as 0, carry out the compensation to present frame, for last frame horizontally interlaced image data, can be after the former frame data of preserving present frame and present frame, the rear frame horizontally interlaced image data of present frame are considered as 0, carry out the compensation to present frame.Better, can the horizontally interlaced image data be kept in frame buffer (Frame Buffer) before compensation.
The liquid crystal indicator that the embodiment of the present invention provides is the device corresponding with liquid crystal display method provided by the invention, is applicable to all embodiment of the liquid crystal display method that the embodiment of the present invention provides.
The embodiment of the present invention provides a kind of liquid crystal display method and device, after receiving or obtaining the horizontally interlaced image data by staggered scanning, to the row that is not scanned in horizontally interlaced image, according to the data of the capable data same position of not being scanned of present frame, this row being compensated in the view data of the frame of the setting number adjacent with present frame, thereby the data difference between the two frame corresponding row of the front and back of the row that reduces not to be scanned in horizontally interlaced image and present frame has effectively solved the problem that occurs the line image retention when carrying out liquid crystal display by staggered scanning.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is that reference is described according to process flow diagram and/or the block scheme of method, equipment (system) and the computer program of the embodiment of the present invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or the combination of square frame.Can provide these computer program instructions to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computing machine or other programmable data processing device produce to be used for the device of realizing in the function of flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame.
These computer program instructions also can be loaded on computing machine or other programmable data processing device, make on computing machine or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby be provided for realizing the step of the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame in the instruction of carrying out on computing machine or other programmable devices.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a liquid crystal display method, is characterized in that, comprising:
Receive the horizontally interlaced image data, perhaps obtain the horizontally interlaced image data by staggered scanning;
For the frame of scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
For the frame of scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated;
Carry out liquid crystal display according to the horizontally interlaced image data after compensation.
2. the method for claim 1, is characterized in that, with the even number of lines of the present frame data according to same position, the even number line of present frame compensated in the view data of the setting number frame that described basis is adjacent with present frame, is specially:
According in a rear frame image data of the former frame of present frame and/or present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
With the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated in the view data of the setting number frame that described basis is adjacent with present frame, is specially:
According to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and/or present frame.
3. method as claimed in claim 2, is characterized in that, described according to present frame former frame and/or the rear frame image data of present frame in compensate according to the data of the same position even number line to present frame with the even number of lines of present frame, specifically comprise:
The offset data of determining the even number line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the even number of lines of the present frame mean value according to the data of same position; For the first two field picture, determine in the former frame image of present frame that be 0 with the even number of lines of present frame according to the data of same position; For the last frame image, determine in the rear two field picture of present frame that be 0 with the even number of lines of present frame according to the data of same position;
Determine that the even number of lines of present frame is according to being described offset data.
4. method as claimed in claim 2 or claim 3, is characterized in that, described according to present frame former frame and/or the rear frame image data of present frame in compensate with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame, specifically comprise:
The offset data of determining the odd-numbered line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the mean value of the data of the odd-numbered line data same position of present frame; For the first two field picture, determine in the former frame image of present frame that the data with the odd-numbered line data same position of present frame are 0; For the last frame image, determine in the rear two field picture of present frame that the data with the odd-numbered line data same position of present frame are 0;
The odd-numbered line data of determining present frame are described offset data.
5. the method for claim 1, is characterized in that, described according to the compensation after the horizontally interlaced image data carry out liquid crystal display, specifically comprise:
Search the output data according to the horizontally interlaced image data after compensation in showing data look-up table LUT;
Carry out liquid crystal display according to described output data.
6. a liquid crystal indicator, is characterized in that, comprising:
Acquiring unit is used for receiving the horizontally interlaced image data, perhaps obtains the horizontally interlaced image data by staggered scanning;
The first compensating unit is used for the frame for the scanning odd-numbered line, according in the view data of the setting number frame adjacent with present frame with the even number of lines of the present frame data according to same position, the even number line of present frame is compensated;
The second compensating unit is used for the frame for the scanning even number line, according in the view data of the setting number frame adjacent with present frame with the data of the odd-numbered line data same position of present frame, the odd-numbered line of present frame is compensated;
Display unit is used for carrying out liquid crystal display according to the horizontally interlaced image data after compensation.
7. device as claimed in claim 6, it is characterized in that, described the first compensating unit specifically is used for according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in the view data of the setting number frame adjacent with present frame:
According to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame;
Described the second compensating unit specifically is used for according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in the view data of the setting number frame adjacent with present frame:
According to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and/or present frame.
8. device as claimed in claim 7, it is characterized in that, described the first compensating unit specifically is used for according to compensating according to the data of the same position even number line to present frame with the even number of lines of present frame in a rear frame image data of the former frame of present frame and/or present frame:
The offset data of determining the even number line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the even number of lines of the present frame mean value according to the data of same position; For the first two field picture, determine in the former frame image of present frame that be 0 with the even number of lines of present frame according to the data of same position; For the last frame image, determine in the rear two field picture of present frame that be 0 with the even number of lines of present frame according to the data of same position;
Determine that the even number of lines of present frame is according to being described offset data.
9. install as claimed in claim 7 or 8, it is characterized in that, described the second compensating unit specifically is used for according to compensating with the data of the odd-numbered line data same position of the present frame odd-numbered line to present frame in a rear frame image data of the former frame of present frame and/or present frame:
The offset data of determining the odd-numbered line of present frame be in the rear two field picture of the former frame image of present frame and present frame with the mean value of the data of the odd-numbered line data same position of present frame; For the first two field picture, determine in the former frame image of present frame that the data with the odd-numbered line data same position of present frame are 0; For the last frame image, determine in the rear two field picture of present frame that the data with the odd-numbered line data same position of present frame are 0;
The odd-numbered line data of determining present frame are described offset data.
10. device as claimed in claim 6, is characterized in that, described display unit carries out liquid crystal display according to the horizontally interlaced image data after compensating, and specifically is used for:
Search the output data according to the horizontally interlaced image data after compensation in showing data look-up table LUT; Carry out liquid crystal display according to described output data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100587571A CN103165092A (en) | 2013-02-25 | 2013-02-25 | Method and device of liquid crystal display |
| PCT/CN2013/074268 WO2014127571A1 (en) | 2013-02-25 | 2013-04-16 | Liquid crystal display method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100587571A CN103165092A (en) | 2013-02-25 | 2013-02-25 | Method and device of liquid crystal display |
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Cited By (1)
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| CN112770125A (en) * | 2020-12-23 | 2021-05-07 | 深圳市尊正数字视频有限公司 | Method and system for low-delay display of live video and electronic equipment |
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