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CN102496354B - Pixel data conversion method and device for triangular arrangement display panel - Google Patents

Pixel data conversion method and device for triangular arrangement display panel Download PDF

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CN102496354B
CN102496354B CN201110429345.5A CN201110429345A CN102496354B CN 102496354 B CN102496354 B CN 102496354B CN 201110429345 A CN201110429345 A CN 201110429345A CN 102496354 B CN102496354 B CN 102496354B
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color gamut
horizontal
pixels
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CN102496354A (en
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吴于立
张智凯
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FocalTech Systems Co Ltd
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Abstract

The invention provides a pixel data conversion method for a delta arrangement display panel. The method comprises the steps of firstly converting an input image signal from an RGB color gamut into an RGB color gamut signal which is arranged in a straight bar type arrangement display panel and has 640 horizontal resolution, and then filtering and mapping the RGB color gamut signal into an RGB color gamut signal which is arranged in a triangular arrangement display panel and has 320 horizontal resolution. Wherein, each horizontal line in the 320 horizontal resolution RGB color gamut signal has 960 pixels. The pixel size ratio is the pixel size of the triangular arrangement display panel is larger than the pixel size of the straight bar arrangement display panel, and the 320 horizontal resolution is the 640 horizontal resolution divided by the pixel size ratio and then divided by 3.

Description

Pixel data conversion method and device for triangular arrangement display panel
Technical field
The present invention is the technical field about display panel, espespecially a kind of pixel data conversion method for triangular arrangement display panel and device.
Background technology
Modern consumption type electronic apparatus polygamy, is browsed with person easy to use as man-machine interface for liquid crystal display (Liquid Crystal Display, LCD) panel.In general, LCD panel can be divided into vertical bar type (strip) arrangement display panel and trigonometric expression (delta) is arranged display panel.
Vertical bar type is arranged display panel and is mostly used in large-sized panel (as mobile computer panel).Fig. 1 is the schematic diagram of the display panel of stripe shape arrangement always.In vertical bar type, arrange in display panel 100, in each pixel (Pixel) 110,120, all include redness (R) sub-pixel, green (G) sub-pixel and blueness (B) sub-pixel.Utilize three color sub-pixels of each pixel to produce respectively different brightness and can be mixed into various color.
Vertical bar type is arranged display panel 100 and is comprised many horizontal lines, and display controller (not shown) is in order to provide respectively color data to three color sub-pixels such as red, green, blue.When the resolution of vertical bar type arrangement display panel 100 is 720 * 480, represent that vertical bar type arrangement display panel 100 has 480 horizontal lines, each horizontal line has 720 pixels, each pixel has three sub-pixels, and described three sub-pixels are respectively red sub-pixel (R), green sub-pixels (G) and blue subpixels (B).
In vertical bar type, arrange in display panel 100, according to pixel pulse, control, each only have red (R), green (G) of a specific pixel, blue (B) three color sub-pixels can receive color data simultaneously and upgrade, and then present different brightness and be mixed into different colors.On panel, all pixel completes and can present complete picture after renewal and arrange on display panel 100 in vertical bar type via the control of sweep trace one by one.
Please refer to Fig. 2, it is that existing vertical bar type is arranged color data in display panel 100 and the signal timing diagram of pixel pulse (Pixel Clock).For example, when external image signal (simulated television signal of video signal, or while digital image signal) utilizing vertical bar type to arrange display panel 100 demonstration, image-processing circuit (not shown) can first be processed and sample outside signal of video signal, and then generation pixel pulse (PixelClock), red data (R data), green data (G data), blue data (B data), and red data, green data, blue data is respectively by the red data line (R data line) of image-processing circuit, green data line (G data line), blue data line (B data line) output, wherein, red data (R data), green data (G data), the size of data of blue data (B data) is the brightness of representative color unit.That is, the corresponding red data of first pixel pulse rising edge (rising edge), green data, blue data can drive three color sub-pixels corresponding in the first pixel, second corresponding red data of pixel pulse (R data), green data (G data), blue data (B data) can drive three color sub-pixels corresponding in the second pixel, and the rest may be inferred.It is example that the vertical bar type of resolution 720 * 480 of take is arranged display panel 100, and front 720 the corresponding red datas of pixel pulse, green data, blue datas represent three color data that color sub-pixels is corresponding in all pixels in article one horizontal line.In like manner, after 720 * 480 pixel pulse, whole vertical bar type is arranged the color cell in all pixels on display panel 100 and is all received color data and complete renewal, and on panel, presents complete image.
Small size panel (display panel being used as vehicle display panel, camera) adopts trigonometric expression (delta) to arrange display panel.Fig. 3 is the schematic diagram of an existing triangular arrangement display panel 300.In triangular arrangement display panel 300, in each pixel (Pixel) 310,320,330, only there is a colored pixels, the surrounding of each pixel is the pixel of another two colors, and interlaced arrangement between its horizontal line, utilize three color cell (as the triangle being indicated in Fig. 3) that three pixels combine to produce respectively different brightness, and then be used for being mixed into various color.
When the resolution of triangular arrangement display panel 300 is 320 * 480, its resolution also can be write as 320RGB * 480, represent that triangular arrangement display panel 300 has 480 horizontal lines, each horizontal line has 960 pixels, odd number bar horizontal line is sequentially arranged with red pixel (R), green pixel (G), blue pixel (B), even number bar horizontal line is sequentially arranged with green pixel (G), blue pixel (B), red pixel (R), and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ half-pixel.
The vertical bar type arrangement display panel 100 of supposing Fig. 1 will show while being equally the image of M * N resolution with the triangular arrangement display panel 300 of Fig. 3, image-processing circuit generation is as the data line signal of Fig. 2 and pixel pulse and be not suitable for the triangular arrangement display panel 300 of Fig. 3, therefore, between the triangular arrangement display panel 300 of existing image-processing circuit and Fig. 3, must increase complicated control circuit in order to image is processed, and then the color data and the pixel pulse that produce are sent to triangular arrangement display panel 300 after suitable conversion.
According to the specification of triangular arrangement display panel 300, each color cell all has a corresponding color frequency and a color data line, that is, red frequency (Clk_3/R), green frequency (Clk_1/G), blue frequency (Clk_2/B) and red data line, green data line, blue data line.Fig. 4 is the online color data of existing control circuit translation data and the signal timing diagram after pixel pulse.In general, have a frequency generator in existing control circuit, described frequency generator can be the color frequency of pixel pulse 1/3rd through processing and then producing frequency by pixel pulse, comprises red frequency, green frequency, blue frequency.As for red data (R data), green data (G data), blue data (B data), as shown in Figure 4, color data only can be chosen 1/3rd color data and show from the color data of M * N resolution, i.e. first, fourth, seven, ten etc. color data as shown in the figure and maintain time of three pixel pulse.
Comparison diagram 2 is known with Fig. 4, and first red/green/blue data can be output and show, and second and third red/green/blue color data is not output and cannot shows.In like manner, the 4th, seven, ten red/green/blue color data can be output and show, and other red/green/blue color data is not output and cannot shows.And three color frequency are when the rising edge (shown in arrow) of its frequency, corresponding red data, green data, blue data can be shown on panel.
Take first row pixel as example, and in a front M pixel pulse, first red frequency rising edge is synchronizeed with first pixel pulse in order to the online the first stroke color data of red data is shown in to first pixel; First green frequency rising edge is synchronizeed with second pixel pulse in order to the online the first stroke color data of green data is shown in to second pixel; First blue frequency rising edge is synchronizeed with the 3rd pixel pulse, and in order to the online the first stroke color data of blue data is shown in to the 3rd pixel, the rest may be inferred.After M pulse produces, represent and in article one horizontal line, in all pixels, all shown corresponding color data.After M * N pixel pulse produces, on whole triangular arrangement display panel 300, demonstrate complete image.
Clearly, existing control circuit can make due decrease resolution after the conversion through signal.For instance, for the vertical bar type of identical M * N resolution, arrange display panel 100 and triangular arrangement display panel 300, the actual resolution presenting of triangular arrangement display panel 300 only has 1/3rd of vertical bar panel.That is to say, some should described in the image that presents due to decrease resolution, cannot completely present image detail.
For foregoing problems, U.S. Patent application discloses in No. 2007/0229422 in early days, it uses a pulse replication circuit, the pixel pulse of being exported to receive image-processing circuit, and the frequency producing is pixel pulse 1/3rd, take and the responsibility cycle (Duty Cycle) of three color pulses is 50 percent.Three pulses that it uses a pulse adjuster received pulse duplicate circuit to produce, and adjust individually three pulses, each differs from 120 degree to make phase place between each pulse, and by this three pulses output, be green pulse (Clk_1/G), blue pulse (Clk_2/B), red pulse (Clk_3/R).The color data line 31 of image-processing circuit directly becomes trigonometric expression (delta) and arranges color data on the horizontal line of display panel (that is green data, blue data, red data), to improve image quality.
Fig. 5 is that U.S. Patent application discloses in early days color data on the horizontal line of triangular arrangement display panel of No. 2007/0229422 and the signal timing diagram of pixel pulse (pixel clock).Fig. 6 is the schematic diagram of the corresponding relation of the vertical bar type pixel of arranging three color sub-pixels in the pixel of display panel and triangular arrangement display panel.From Fig. 5, Fig. 6 and instructions thereof, it is that color data that vertical bar type is arranged to display panel 100 directly becomes color data on the sweep trace of triangular arrangement display panel 300 (that is green data, blue data, red data), that is vertical bar type is arranged in display panel in three color sub-pixels in the pixel of optional position color data, and one of them can be captured and be shown in the pixel of triangular arrangement display panel same position.Yet this kind of existing pixel data conversion method do not considered the dot structure of triangular arrangement display panel, do not consider that the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ the situation of half-pixel yet, therefore, while showing, usually there is the flaws such as the deformation of toothed edge, lines or colour edging effect (color fringing) on triangular arrangement display panel.Therefore the space that, the pixel data switch technology of existing triangular arrangement display panel is also still improved.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of pixel data conversion method for triangular arrangement display panel and device, when avoiding prior art to show on trigonometric expression (delta) is arranged display panel, owing to not considering the Pixel Dimensions size of triangular arrangement display panel and the relation of the Pixel Dimensions size of vertical bar type arrangement display panel, the problems such as the deformation of the toothed edge that produces, lines or colour edging effect (color fringing), can improve demonstration image quality effectively.
According to one of the present invention characteristic, the present invention proposes a kind of pixel data conversion equipment for triangular arrangement display panel, comprises one first color gamut conversion device, a judgment means, a device for zooming, one second color gamut conversion device and a low-pass filtering mapping device.Described the first color gamut conversion device by an input signal of video signal by a RGB color gamut conversion to YCrCb colour gamut, to produce one the one YCrCb colour gamut signal.Described judgment means is connected to described the first color gamut conversion device, to judge the horizontal resolution of a described YCrCb colour gamut signal, this judgment means can according to the Pixel Dimensions size of triangular arrangement display panel and vertical bar type arrange display panel Pixel Dimensions size relation so that determine one the most suitably by the standard level resolution (640) of a low-pass filtering mapping device, when if the horizontal resolution of a described YCrCb colour gamut signal is one first horizontal resolution (720), produce one first enable signal.Described device for zooming is connected to described judgment means, when the first enable signal is true time, represent described the first horizontal resolution and be not equal to the standard level resolution that judgment means determines, a described YCrCb colour gamut signal will zoom to a 2nd YCrCb colour gamut signal (YCrCb640) with the second horizontal resolution (640).Described the second color gamut conversion device is connected to described judgment means and described device for zooming, with will described in there is the second horizontal resolution (640) the 2nd YCrCb colour gamut signal (YCrCb640) be converted to a RGB colour gamut signal with the second horizontal resolution (640).Described low-pass filtering mapping device is connected to described the second color gamut conversion device, with by described in there is the second horizontal resolution (640) the filtering of RGB colour gamut signal be mapped as a RGB colour gamut signal with the 3rd horizontal resolution (320); Wherein, described the second horizontal resolution (640) is K times of the 3rd horizontal resolution (320), in the middle of, K is positive integer.
According to another characteristic of the present invention, the present invention proposes a kind of pixel data conversion method for triangular arrangement display panel, comprise step: (A) by an input signal of video signal by a RGB color gamut conversion to YCrCb colour gamut, and then produce one the one YCrCb colour gamut signal, (B) judge the horizontal resolution of a described YCrCb colour gamut signal, when the horizontal resolution of a described YCrCb colour gamut signal is first horizontal resolution, produce one first enable signal, (C), when described the first enable signal is true time, a described YCrCb colour gamut signal is zoomed to a 2nd YCrCb colour gamut signal with the second horizontal resolution, (D) described the 2nd YCrCb colour gamut signal with the second horizontal resolution is converted to a RGB colour gamut signal with the second horizontal resolution, the described RGB colour gamut signal with the second horizontal resolution is for stripe shape arrangement display panel arrangement mode and its resolution are 640RGB * 480 always, a frame in the described RGB colour gamut signal with the second horizontal resolution has 480 horizontal lines, each horizontal line has 640 pixels, each pixel has three sub-pixels, and described three sub-pixels are respectively red sub-pixel, green sub-pixels and blue subpixels, and (E) the described RGB colour gamut signal filtering with the second horizontal resolution is mapped as to a RGB colour gamut signal with the 3rd horizontal resolution, wherein, the described RGB colour gamut signal with the 3rd horizontal resolution is that triangular arrangement display panel arrangement mode and its resolution are 320RGB * 480, a described frame with the RGB colour gamut signal of the 3rd horizontal resolution has 480 horizontal lines, each horizontal line has 960 pixels, in the middle of, odd number bar horizontal line is with red pixel, green pixel, blue pixel is sequentially arranged, even number bar horizontal line is with described green pixel, described blue pixel, described red pixel is sequentially arranged, and described even number bar horizontal line and the horizontal location of pixels of described odd number bar differ half-pixel.
Low-pass filtering mapping device of the present invention is when low pass filtered involves mapping, because considering the aerial image prime model of triangular arrangement display panel, Pixel Dimensions size and the vertical bar type of triangular arrangement display panel arranged the relation of the Pixel Dimensions size of display panel, and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ the situation of half-pixel, therefore in the time of can avoiding prior art to show on triangular arrangement display panel, there is toothed edge in institute, the deformation of lines, or the problem such as colour edging effect, can effectively improve demonstration image quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that an existing vertical bar type is arranged display panel;
Fig. 2 is that an existing vertical bar type is arranged color data in display panel and the signal timing diagram of pixel pulse;
Fig. 3 is the schematic diagram of an existing triangular arrangement display panel;
Fig. 4 is color data on an existing control circuit translation data line and the signal timing diagram after pixel pulse;
Fig. 5 is that an existing trigonometric expression (delta) is arranged color data on the horizontal line of display panel and the signal timing diagram of pixel pulse;
Fig. 6 is the corresponding relation schematic diagram that an existing vertical bar type is arranged the pixel of three color sub-pixels in the pixel of display panel and triangular arrangement display panel;
Fig. 7 is the calcspar of the pixel data conversion equipment for triangular arrangement display panel of the present invention;
Fig. 8 is the schematic diagram that described device for zooming produces brightness value;
Fig. 9 is the schematic diagram that described device for zooming produces chromatic value;
Figure 10 is the calcspar of described low-pass filtering mapping device;
Figure 11 is the schematic diagram of odd number bar horizontal line low-pass filtering mapping device running of the present invention;
Figure 12 is the schematic diagram of even number bar horizontal line low-pass filtering mapping device running of the present invention;
Figure 13 is that the present invention is for the process flow diagram of the pixel data conversion method of triangular arrangement display panel.
In accompanying drawing, the title of each label representative is as follows:
100, vertical bar type is arranged display panel, 110, pixel, 120, pixel, 300, triangular arrangement display panel, 310～330, pixel, 700, pixel data conversion equipment for triangular arrangement display panel, 710, the first color gamut conversion device, 720, judgment means, 730, device for zooming, 740, the second color gamut conversion device, 750, low-pass filtering mapping device, 751, odd number bar horizontal line low-pass filtering mapping device, 753, even number bar horizontal line low-pass filtering mapping device 7511, the first low-pass filter, 7512, the second low-pass filter, 7513, the 3rd low-pass filter, 7531, the 4th low-pass filter, 7532, the 5th low-pass filter, 7533, the 6th low-pass filter, step (A)～step (B), step (A1)～step (A4), step (B1)～step (B6)
Embodiment
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Fig. 7 is the calcspar of the pixel data conversion equipment 700 for triangular arrangement display panel of the present invention, and the described pixel data conversion equipment 700 for triangular arrangement display panel comprises one first color gamut conversion device 710, a judgment means 720, a device for zooming 730, one second color gamut conversion device 740 and a low-pass filtering mapping device 750.
Described the first color gamut conversion device 710 by an input signal of video signal by a RGB color gamut conversion to YCrCb colour gamut, in order to produce one the one YCrCb colour gamut signal.In this manual, described input signal of video signal illustrates with 720RGB * 480 and 640RGB * 480, and those skilled in the art can be based on this instructions and inference is inputted video signal format to other.
When input signal of video signal is 720RGB * 480, the described YCrCb colour gamut signal YCrCb720 that described the first color gamut conversion device is exported can be 444 forms or 422 forms.When input signal of video signal is 640RGB * 480, the described YCrCb colour gamut signal YCrCb640 that described the first color gamut conversion device 710 is exported can be 444 forms or 422 forms.
Described judgment means 720 is connected to described the first color gamut conversion device 710, according to the Pixel Dimensions size of triangular arrangement display panel and the relation of the Pixel Dimensions size of vertical bar type arrangement display panel, and then determine one the most suitably by second horizontal resolution (640) of a low-pass filtering mapping device, wherein, when the horizontal resolution of a described YCrCb colour gamut signal is one first horizontal resolution (720), and then produce one first enable signal 1st_en.
Described device for zooming 730 is connected to described judgment means 720, when the first enable signal 1st_en is true time, that is represent described the first horizontal resolution and be not equal to the second horizontal resolution that judgment means determines, a described YCrCb colour gamut signal will zoom to a 2nd YCrCb colour gamut signal YCrCb640 with the second horizontal resolution (640), the 2nd YCrCb colour gamut signal YCrCb640 wherein, with the second horizontal resolution (640) can be 444 forms or 422 forms.
When a described YCrCb colour gamut signal is the first horizontal resolution (720), described device for zooming 730 is enabled.Fig. 8 is that described device for zooming 730 produces the schematic diagram of brightness value Y when a described YCrCb colour gamut signal YCrCb720 is 444 form, and described device for zooming 730 is to show with following formula table:
Y′ k＝Y k/8*9，
Y′ k+1＝7/8*Y (k/8*9+1)+1/8*Y (k/8*9+2)，
Y′ k+2＝6/8*Y (k/8*9+2)+2/8*Y (k/8*9+3)，
Y′ k+3＝5/8*Y (k/8*9+3)+3/8*Y (k/8*9+4)，
Y′ k+4＝4/8*Y (k/8*9+4)+4/8*Y (k/8*9+5)，
Y′ k+5＝3/8*Y (k/8*9+5)+5/8*Y (k/8*9+6)，
Y′ k+6＝2/8*Y (k/8*9+6)+6/8*Y (k/8*9+7)，
Y′ k+7＝1/8*Y (k/8*9+7)+7/8*Y (k/8*9+8)，
Wherein, the integral multiple that k is 8, k is preferably 0,8,16,24 ....Y k/8*9,
Figure BDA0000122635170000091
Figure BDA0000122635170000092
Figure BDA0000122635170000093
for the brightness value of a described YCrCb colour gamut signal, Y ' k, Y ' k+1, Y ' k+2, Y ' k+3, Y ' k+4, Y ' k+5, Y ' k+6, Y ' k+7for thering is the brightness value of the 2nd YCrCb colour gamut signal of the second horizontal resolution (640).
Fig. 9 is that described device for zooming 730 produces the schematic diagram of chromatic value Cr, Cb when a described YCrCb colour gamut signal YCrCb720 is 444 form, take Cb as example, and described device for zooming 730 shows with following formula table:
Cb′ k＝Cb k/8*9，
Cb′ k+1＝7/8*Cb (k/8*9+1)+1/8*Cb (k/8*9+2)，
Cb′ k+2＝6/8*Cb (k/8*9+2)+2/8*Cb (k/8*9+3)，
Cb′ k+3＝5/8*Cb (k/8*9+3)+3/8*Cb (k/8*9+4)，
Cb′ k+4＝4/8*Cb (k/8*9+4)+4/8*Cb (k/8*9+5)，
Cb′ k+5＝3/8*Cb (k/8*9+5)+5/8*Cb (k/8*9+6)，
Cb′ k+6＝2/8*Cb (k/8*9+6)+6/8*Cb (k/8*9+7)，
Cb′ k+7＝1/8*Cb (k/8*9+7)+7/8*Cb (k/8*9+8)，
Wherein, the integral multiple that k is 8, Cb k/8*9,
Figure BDA0000122635170000101
Figure BDA0000122635170000102
Figure BDA0000122635170000103
for the chromatic value of a described YCrCb colour gamut signal, Cb ' k, Cb ' k+1, Cb ' k+2, Cb ' k+3, Cb ' k+4, Cb ' k+5, Cb ' k+6, Cb ' k+7for thering is the chromatic value of the 2nd YCrCb colour gamut signal of the second horizontal resolution, take Cr as example, described device for zooming 730 shows with following formula table:
Cr′ k＝Cr k/8*9，
Cr′ k+1＝7/8*Cr (k/8*9+1)+1/8*Cr (k/8*9+2)，
Cr′ k+2＝6/8*Cr (k/8*9+2)+2/8*Cr (k/8*9+3)，
Cr′ k+3＝5/8*Cr (k/8*9+3)+3/8*Cr (k/8*9+4)，
Cr′ k+4＝4/8*Cr (k/8*9+4)+4/8*Cr (k/8*9+5)，
Cr′ k+5＝3/8*Cr (k/8*9+5)+5/8*Cr (k/8*9+6)，
Cr′ k+6＝2/8*Cr (k/8*9+6)+6/8*Cr (k/8*9+7)，
Cr′ k+7＝1/8*Cr (k/8*9+7)+7/8*Cr (k/8*9+8)，
Wherein, the integral multiple that k is 8, Cr k/8*9,
Figure BDA0000122635170000111
for the chromatic value of a described YCrCb colour gamut signal, Cr ' k, Cr ' k+1, Cr ' k+2, Cr ' k+3, Cr ' k+4, Cr ' k+5, Cr ' k+6, Cr ' k+7for thering is the chromatic value of the 2nd YCrCb colour gamut signal of the second horizontal resolution.
When a described YCrCb colour gamut signal YCrCb720 is 422 form, brightness value Y and chromatic value Cr, Cb still can be used Fig. 8, Fig. 9 and above-mentioned formula to produce, only herein in 422 forms, and the chromatic value Cb of a YCrCb colour gamut signal 2*w=Cb 2*w+1, w is integer, and w>=0, that is Cb 0=Cb 1, Cb 2=Cb 3..., Cb 718=Cb 719, the rest may be inferred, Cr 2*w=Cr 2*w+1also same.
It can complete based on Fig. 8 of the present invention, Fig. 9 and above-mentioned formula for those skilled in the art, repeats no more.
When the first enable signal 1st_en is true time, the described YCrCb colour gamut signal YCrCb640 that the 2nd YCrCb colour gamut signal YCrCb640 with the second horizontal resolution (640) that described device for zooming 730 produces exports with described the first color gamut conversion device is identical.That is, when input signal of video signal is the first horizontal resolution (720), described in activation, device for zooming 730, when input signal of video signal is the second horizontal resolution (640), a described YCrCb colour gamut signal YCrCb640 of described the first color gamut conversion device 710 outputs is directly passed to described the second color gamut conversion device 740.
Described the second color gamut conversion device 740 is connected to described judgment means 720 and described device for zooming 730, in order to will described in there is the second horizontal resolution (640) the 2nd YCrCb colour gamut signal YCrCb640 be converted to a RGB colour gamut signal 640RGB with the second horizontal resolution (640).
The described RGB colour gamut signal 640RGB with the second horizontal resolution is that vertical bar type (strip) is arranged display panel arrangement mode, and its resolution is 640RGB * 480.A frame (frame) in the described RGB colour gamut signal 640RGB with the second horizontal resolution has 480 horizontal lines, each horizontal line has 640 pixels, each pixel has three sub-pixels, and described three sub-pixels are respectively red sub-pixel (R), green sub-pixels (G) and blue subpixels (B).
Described low-pass filtering mapping device 750 is connected to described the second color gamut conversion device 740, in order to the described RGB colour gamut signal 640RGB filtering with the second horizontal resolution is mapped as to a RGB colour gamut signal 320RGB with the 3rd horizontal resolution, wherein, described the second horizontal resolution is two times of the 3rd horizontal resolution.
The described RGB colour gamut signal 320RGB with the 3rd horizontal resolution is that trigonometric expression (delta) is arranged display panel arrangement mode, and its resolution is 320RGB * 480.A frame (frame) in the described RGB colour gamut signal 320RGB with the 4th horizontal resolution has 480 horizontal lines, each horizontal line has 960 pixels, odd number bar horizontal line is sequentially arranged with red pixel (R), green pixel (G), blue pixel (B), even number bar horizontal line is sequentially arranged with green pixel (G), blue pixel (B), red pixel (R), wherein, the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ half-pixel.
The Pixel Dimensions size of described triangular arrangement display panel is 2/3 times of the described vertical bar type Pixel Dimensions size of arranging display panel.One Pixel Dimensions ratio η is defined as the Pixel Dimensions of described triangular arrangement display panel and than the above vertical bar type, arranges the Pixel Dimensions of display panel, and therefore described Pixel Dimensions ratio η is 2/3.
Judgment means 720 of the present invention is according to described Pixel Dimensions ratio η, in order to calculate the relation between described the second horizontal resolution (640) and described the 3rd horizontal resolution (320).Described the second horizontal resolution (640) is multiplied by described Pixel Dimensions ratio η for described the 3rd horizontal resolution (320), then is multiplied by 3.That is, 640=320 * (η) * 3=320 * (2/3) * 3=320 * 2=320 * K.Therefore, described the second horizontal resolution (640) is K times of the 3rd horizontal resolution (320), in the middle of, K is 2.
Figure 10 is the calcspar of described low-pass filtering mapping device 750.Described low-pass filtering mapping device 750 comprises: an odd number bar horizontal line low-pass filtering mapping device 751 and an even number bar horizontal line low-pass filtering mapping device 753.
Described odd number bar horizontal line low-pass filtering mapping device 751, in order to there is the odd number bar horizontal line of the RGB colour gamut signal 640RGB of the second horizontal resolution described in receiving, and described odd number bar horizontal line is carried out to low-pass filtering mapping, and then described in producing, there is the odd number bar horizontal line of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution.
Described in receiving, described even number bar horizontal line low-pass filtering mapping device 753 there is the even number bar horizontal line in the RGB colour gamut signal 640RGB of the second horizontal resolution, and described even number bar horizontal line is carried out to low-pass filtering mapping, in order to there is the even number bar horizontal line in the RGB colour gamut signal 320RGB of the 3rd horizontal resolution described in producing.
Described odd number bar horizontal line low-pass filtering mapping device 751 comprises: one first low-pass filter 7511, one second low-pass filter 7512 and one the 3rd low-pass filter 7513.Described the first low-pass filter 7511 and described the 3rd low-pass filter 7513 according to described in there are horizontal three pixels of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, carry out low-pass filtering, and then described in producing, there is the horizontal red pixel of odd number bar and the blue pixel of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, described the second low-pass filter 7512 according to described in there are horizontal two pixels of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, carry out low-pass filtering, to there is the horizontal green pixel of odd number bar of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution described in producing.
Described the first low-pass filter 7511 shows with following formula table:
R′ m＝α 1×R (m*2-1)+β 1×R m*2+γ 1×R (m*2+1)；
Wherein, m is integer, R ' mfor the described horizontal red pixel of odd number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, R (m*2-1), R m*2, R (m*2+1)the red sub-pixel described in being respectively with horizontal three neighbors of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the first low-pass filter 7511.Described the second low-pass filter 7512 shows with following formula table:
G′ m＝α 2×G (m*2)+β 2×G (m*2+1)；
Wherein, G ' mfor the horizontal green pixel of odd number bar in the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution, G (m*2), G (m*2+1)the green sub-pixels described in being respectively with horizontal two neighbors of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 2, β 2coefficient for described the second low-pass filter 7512.Described the 3rd low-pass filter shows with following formula table:
B′ m＝α 1×B (m*2)+β 1×B (m*2+1)+γ 1×B (m*2+2)；
Wherein, B ' mfor the horizontal blue pixel of odd number bar in the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution, B (m*2), B (m*2+1), B (m*2+2)the blue subpixels described in being respectively with horizontal three neighbors of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 3rd low-pass filter 7513.
Described even number bar horizontal line low-pass filtering mapping device 753 comprises: one the 4th low-pass filter 7531, one the 5th low-pass filter 7532 and one the 6th low-pass filter 7533.Horizontal three pixels of even number bar described in described the 4th low-pass filter 7531 and described the 6th low-pass filter 7533 foundations with the RGB colour gamut signal 640RGB of the second horizontal resolution, carry out low-pass filtering, in order to there is the horizontal red pixel of even number bar and the blue pixel of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution described in producing, described the 5th low-pass filter 7532 according to described in there are horizontal two pixels of even number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, carry out low-pass filtering, to there is the horizontal green pixel of even number bar of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution described in producing.
Described the 4th low-pass filter 7531 shows with following formula table:
R′ m＝α 1×R (m*2)+β 1×R (m*2+1)+γ 1×R (m*2+2)；
Wherein, m is integer, R ' mfor the described horizontal red pixel of even number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, R (m*2), R (m*2+1), R (m*2+2)the red sub-pixel of horizontal three neighbors of even number bar described in being respectively with the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 4th low-pass filter 7531.Described the 5th low-pass filter 7532 shows with following formula table:
G′ m＝α 2×G (m*2-1)+β 2×G (m*2)；
In the middle of, G ' mfor the described horizontal green pixel of even number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, G (m*2-1), G (m*2)the green sub-pixels described in being respectively with horizontal two neighbors of even number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 2, β 2coefficient for described the 5th low-pass filter 7532.Described the 6th low-pass filtering 7533 is shown with following formula table:
B′ m＝α 1×B (m*2-1)+β 1×B (m*2)+γ 1×B (m*2+1)；
Wherein, B ' mfor the described horizontal blue pixel of even number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, B (m*2-1), B (m*2), B (m*2+1)the blue subpixels of horizontal three neighbors of even number bar described in being respectively with the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 6th low-pass filter 7533.
Figure 11 is the schematic diagram of odd number bar horizontal line low-pass filtering mapping device 751 runnings of the present invention.As shown in figure 11, described odd number bar horizontal line low-pass filtering mapping device 751 according to described in there are horizontal three the pixel (R of article one in the RGB colour gamut signal 640RGB of the second horizontal resolution (640) -1, R 0, R 1), to there is the horizontal pixel R ' of article one of the RGB colour gamut signal 320RGB of the 3rd horizontal resolution (320) described in producing 0, according to two pixel (G 0, G 1) to produce the horizontal pixel G ' of odd number bar 0, and according to three pixel (B 0, B 1, B 2) with produce the horizontal pixel B of odd number bar ' 0.When can not find pixel R -1time, with neighborhood pixels R -1pixel R 0replacement pixels R -1.In Figure 11, can obviously find out, the Pixel Dimensions size of described triangular arrangement display panel is 2/3 times of the described vertical bar type Pixel Dimensions size of arranging display panel, so pixel G ' 0be positioned at pixel G 0, G 1between, described the second low-pass filter 7512 is according to pixel G 0, G 1, and produce pixel G ' 0.Because the present invention considers the proportionate relationship between the Pixel Dimensions size of described triangular arrangement display panel and the Pixel Dimensions size of described vertical bar type arrangement display panel, therefore the pixel G ' that produces 0more accurate compared with prior art.
Figure 12 is the schematic diagram of even number bar horizontal line low-pass filtering mapping device 753 runnings of the present invention.As shown in figure 12, described even number bar horizontal line low-pass filtering mapping device 753 according to described in there are horizontal three the pixel (R of second in the RGB colour gamut signal 640RGB of the second horizontal resolution (640) 0, R 1, R 2), to there is the horizontal pixel R ' of second in the RGB colour gamut signal 320RGB of the 3rd horizontal resolution (320) described in producing 0, according to two pixel (G -1, G 0) to produce the horizontal pixel G ' of even number bar 0, and according to three pixel (B -1, B 0, B 1) with produce the horizontal pixel B of even number bar ' 0.When can not find pixel G -1time, with neighborhood pixels G -1pixel G ' 0replacement pixels G -1, in like manner can push away, when can not find pixel B -1time, with pixel B ' 0replacement pixels B -1.
Similarly, pixel G ' 0be positioned at pixel G 0, G 1between, described the 5th low-pass filter 7532 is according to pixel G 0, G -1, and produce pixel G ' 0, its Pixel Dimensions size of considering described triangular arrangement display panel is for the relation between the Pixel Dimensions size of described vertical bar type arrangement display panel, therefore the pixel G ' that produces 0can be more accurate compared with prior art.
From Fig. 6 of prior art and Figure 11 of the present invention and Figure 12 relatively, low-pass filtering mapping device 750 of the present invention is when low pass filtered involves mapping, because considering trigonometric expression (delta), arrange the aerial image prime model of display panel, and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ the situation of half-pixel, therefore in the time of can avoiding prior art to show on trigonometric expression (delta) arrangement display panel, show toothed edge, the deformation of lines, or the problem such as colour edging effect (color fringing), can effectively improve demonstration image quality.
Figure 13 be the present invention for the process flow diagram of the pixel data conversion method of triangular arrangement display panel, its running is please with reference to the calcspar of the earlier figures 7 pixel data conversion equipment 700 for triangular arrangement display panel of the present invention.First, in step (A), one input signal of video signal is there is to the RGB colour gamut signal 640RGB of the second horizontal resolution (640) by a RGB color gamut conversion to, the described RGB colour gamut signal 640RGB with the second horizontal resolution (640) is that vertical bar type (strip) is arranged display panel arrangement mode, and its resolution is 640RGB * 480, a frame (frame) in the described RGB colour gamut signal 640RGB with the second horizontal resolution (640) has 480 horizontal lines, each horizontal line has 640 pixels, each pixel has three sub-pixels, described three sub-pixels are respectively red sub-pixel (R), green sub-pixels (G), and blue subpixels (B).
In step (B), by described in there is the second horizontal resolution (640) RGB colour gamut signal 640RGB filtering be mapped as a RGB colour gamut signal 320RGB with the 3rd horizontal resolution (320), wherein, the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution (320) is that trigonometric expression (delta) is arranged display panel arrangement mode and its resolution is 320RGB * 480, a frame (frame) in the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution (320) has 480 horizontal lines, each horizontal line has 960 pixels, wherein, odd number bar horizontal line is with red pixel (R), green pixel (G), blue pixel (B) is sequentially arranged, even number bar horizontal line is with green pixel (G), blue pixel (B), red pixel (R) is sequentially arranged, and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ half-pixel.
Described step (A) more comprises step (A1) to step (A5).In step (A1), carry out one first color gamut conversion step, with by an input signal of video signal by a RGB color gamut conversion to YCrCb colour gamut, and then produce one the one YCrCb colour gamut signal.In the present embodiment, described input signal of video signal illustrates with 720RGB * 480 and 640RGB * 480, and those skilled in the art can be based on this instructions and inference is inputted video signal format to other.
When input signal of video signal is 720RGB * 480, a described YCrCb colour gamut signal YCrCb720 of described the first color gamut conversion step output can be 444 forms or 422 forms.When input signal of video signal is 640RGB * 480, a described YCrCb colour gamut signal YCrCb640 of described the first color gamut conversion device 710 outputs can be 444 forms or 422 forms.
In step (A2), carry out a determining step, to judge the horizontal resolution of a described YCrCb colour gamut signal, when the horizontal resolution of a described YCrCb colour gamut signal is one first horizontal resolution (720), produce one first enable signal 1st_en.
In step (A3), carry out a convergent-divergent step, when the first enable signal 1st_en is true time, a described YCrCb colour gamut signal is zoomed to a 2nd YCrCb colour gamut signal YCrCb640 with the second horizontal resolution (640) by 720 * 480.Described convergent-divergent step can be with reference to figure 8, and described convergent-divergent step is shown with following formula table:
Y′ k＝Y k/8*9，
Y′ k+1＝7/8*Y (k/*9+1)+1/8*Y (k/8*9+2)，
Y′ k+2＝6/8*Y (k/8*9+2)+2/8*Y (k/8*9+3)，
Y′ k+3＝5/8*Y (k/8*9+3)+3/8*Y (k/8*9+4)，
Y′ k+4＝4/8*Y (k/8*9+4)+4/8*Y (k/8*9+5)，
Y′ k+5＝3/8*Y (k/8*9+5)+5/8*Y (k/8*9+6)，
Y′ k+6＝2/8*Y (k/8*9+6)+6/8*Y (k/8*9+7)，
Y′ k+7＝1/8*Y (k/8*9+7)+7/8*Y (k/8*9+8)，
Wherein, the integral multiple that k is 8, k is preferably 0,8,16,24 ....Y k/8*9,
Figure BDA0000122635170000181
Figure BDA0000122635170000182
Figure BDA0000122635170000183
for the brightness value of a described YCrCb colour gamut signal, Y ' k, Y ' k+1, Y ' k+2, Y ' k+3, Y ' k+4, Y ' k+5, Y ' k+6, Y ' k+7for thering is the brightness value of the 2nd YCrCb colour gamut signal of the second horizontal resolution (640).
Described convergent-divergent step is when a described YCrCb colour gamut signal is 444 form, produce chromatic value Cr, Cb and can consult Fig. 9, Fig. 9 is that described device for zooming 730 produces the schematic diagram of chromatic value Cr, Cb when a described YCrCb colour gamut signal is 444 form, take Cb as example, and described convergent-divergent step is shown with following formula table:
Cb′ k＝Cb k/8*9，
Cb′ k+1＝7/8*Cb (k/8*9+1)+1/8*Cb (k/8*9+2)，
Cb′ k+2＝6/8*Cb (k/8*9+2)+2/8*Cb (k/8*9+3)，
Cb′ k+3＝5/8*Cb (k/8*9+3)+3/8*Cb (k/8*9+4)，
Cb′ k+4＝4/8*Cb (k/8*9+4)+4/8*Cb (k/8*9+5)，
Cb′ k+5＝3/8*Cb (k/8*9+5)+5/8*Cb (k/8*9+6)，
Cb′ k+6＝2/8*Cb (k/8*9+6)+6/8*Cb (k/8*9+7)，
Cb′ k+7＝1/8*Cb (k/8*9+7)+7/8*Cb (k/8*9+8)，
Wherein, the integral multiple that k is 8, Cb k/8*9,
Figure BDA0000122635170000191
Figure BDA0000122635170000192
Figure BDA0000122635170000193
for the chromatic value of a described YCrCb colour gamut signal, Cb ' k, Cb ' k+1, Cb ' k+2, Cb ' k+3, Cb ' k+4, Cb ' k+5, Cb ' k+6, Cb ' k+7for thering is the chromatic value of the 2nd YCrCb colour gamut signal of the second horizontal resolution, take Cr as example, described convergent-divergent step is shown with following formula table:
Cr′ k＝Cr k/8*9，
Cr′ k+1＝7/8*Cr (k/8*9+1)+1/8*Cr (k/8*9+2)，
Cr′ k+2＝6/8*Cr (k/8*9+2)+2/8*Cr (k/8*9+3)，
Cr′ k+3＝5/8*Cr (k/8*9+3)+3/8*Cr (k/8*9+4)，
Cr′ k+4＝4/8*Cr (k/8*9+4)+4/8*Cr (k/8*9+5)，
Cr′ k+5＝3/8*Cr (k/8*9+5)+5/8*Cr (k/8*9+6)，
Cr′ k+6＝2/8*Cr (k/8*9+6)+6/8*Cr (k/8*9+7)，
Cr′ k+7＝1/8*Cr (k/8*9+7)+7/8*Cr (k/8*9+8)，
Wherein, the integral multiple that k is 8, Cr k/8*9,
Figure BDA0000122635170000194
for the chromatic value of a described YCrCb colour gamut signal, Cr ' k, Cr ' k+1, Cr ' k+2, Cr ' k+3, Cr ' k+4, Cr ' k+5, Cr ' k+6, Cr ' k+7for thering is the chromatic value of the 2nd YCrCb colour gamut signal of the second horizontal resolution.
When a described YCrCb colour gamut signal is 422 form, brightness value Y, chromatic value Cr, Cb still can be used Fig. 8, Fig. 9 and above-mentioned formula to produce, only herein in 422 forms, and the chromatic value Cb of a YCrCb colour gamut signal 0=Cb 1, Cb 2=Cb 3... Cb 718=Cb 719, the rest may be inferred, and Cr is also same.It can complete based on Fig. 8 of the present invention, Fig. 9 and above-mentioned formula for those skilled in the art, repeats no more.
In step (A4), carry out one second color gamut conversion step, in order to described the 2nd YCrCb colour gamut signal YCrCb640 of described the second horizontal resolution is converted to a RGB colour gamut signal 640RGB with the second horizontal resolution.
Described step (B) more comprises step (B1) to step (B6).In step (B1), carry out the first low-pass filtering treatment step, described the first low-pass filtering treatment step is shown with following formula table:
Described the first low-pass filtering treatment step is shown with following formula table:
R′ m＝α 1×R (m*2-1)+β 1×R m*2+γ 1×R (m*2+1)；
Wherein, m is integer, R ' mfor the described horizontal red pixel of odd number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, R (m*2-1), R m*2, R (m*2+1)the red sub-pixel described in being respectively with horizontal three neighbors of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the first low-pass filtering treatment step.
In step (B2), carry out the second low-pass filtering treatment step, described the second low-pass filtering treatment step is shown with following formula table:
G′ m＝α 2×G (m*2)+β 2×G (m*2+1)；
Wherein, G ' mfor the described horizontal green pixel of odd number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, G (m*2), G (m*2+1)the green sub-pixels of horizontal two neighbors of odd number bar described in being respectively with the RGB colour gamut signal 640RGB of the second horizontal resolution, α 2, β 2coefficient for described the second low-pass filtering treatment step.
In step (B3), carry out the 3rd low-pass filtering treatment step, described the 3rd low-pass filtering treatment step is shown with following formula table:
B′ m＝α 1×B (m*2)+β 1×B (m*2+1)+γ 1×B (m*2+2)；
Wherein, B ' mfor the horizontal blue pixel of odd number bar in the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution, B (m*2), B (m*2+1), B (m*2+2)the blue subpixels described in being respectively with horizontal three neighbors of odd number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 3rd low-pass filtering treatment step.
In step (B4), carry out the 4th low-pass filtering treatment step, described the 4th low-pass filtering treatment step is shown with following formula table:
R′ m＝α 1×R (m*2)+β 1×R (m*2+1)+γ 1×R (m*2+2)；
Wherein, m is integer, R ' mfor the horizontal red pixel of even number bar in the described RGB colour gamut signal 320RGB with the 3rd horizontal resolution, R (m*2), R (m*2+1), R (m*2+2)the red sub-pixel described in being respectively with horizontal three neighbors of even number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 4th low-pass filtering treatment step.
In step (B5), carry out the 5th low-pass filtering treatment step, described the 5th low-pass filtering treatment step is shown with following formula table:
G′ m＝α 2×G (m*2-1)+β 2×G (m*2)；
Wherein, G ' mfor the described horizontal green pixel of even number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, G (m*2-1), G (m*2)the green sub-pixels of horizontal two neighbors of even number bar described in being respectively with the RGB colour gamut signal 640RGB of the second horizontal resolution, α 2, β 2coefficient for described the 5th low-pass filtering treatment step.
In step (B6), carry out the 6th low-pass filtering treatment step, described the 6th low-pass filtering treatment step is shown with following formula table:
B′ m＝α 1×B (m*2-1)+β 1×B (m*2)+γ 1×B (m*2+1)；
Wherein, B ' mfor the described horizontal blue pixel of even number bar with the RGB colour gamut signal 320RGB of the 3rd horizontal resolution, B (m*2-1), B (m*2), B (m*2+1)the blue subpixels described in being respectively with horizontal three neighbors of even number bar in the RGB colour gamut signal 640RGB of the second horizontal resolution, α 1, β 1, γ 1coefficient for described the 6th low-pass filtering treatment step.
In the prior art, it does not consider the dot structure of trigonometric expression (delta) arrangement display panel, and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ the situation of half-pixel, therefore at trigonometric expression (delta), arrange while showing on display panel, usually occur the problems such as the deformation of toothed edge, lines or colour edging effect (color fringing).
And low-pass filtering mapping device 750 of the present invention is when low pass filtered involves mapping, because considering trigonometric expression (delta), arrange the aerial image prime model of display panel, Pixel Dimensions size and the vertical bar type of triangular arrangement display panel arranged the relation of the Pixel Dimensions size of display panel, and the horizontal location of pixels of even number bar and the horizontal location of pixels of odd number bar differ the situation of half-pixel, therefore in the time of can avoiding prior art to show on trigonometric expression (delta) arrangement display panel, there is toothed edge in institute, the deformation of lines, or the problem such as colour edging effect (color fringing), can effectively improve demonstration image quality.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.

Claims (18)

1.一种用于三角式排列显示面板的像素数据转换装置，包含：1. A pixel data conversion device for a triangular arrangement display panel, comprising: 一第一色域转换装置，将一输入影像信号由一RGB色域转换至一YCrCb色域，进而产生一第一YCrCb色域信号；A first color gamut conversion device, which converts an input image signal from an RGB color gamut to a YCrCb color gamut, and then generates a first YCrCb color gamut signal; 一判断装置，连接至所述第一色域转换装置，依据一像素尺寸比例，用以判断所述第一YCrCb色域信号的水平分辨率，当所述第一YCrCb色域信号的水平分辨率为一第一水平分辨率时，进而产生一第一致能信号；A judging device, connected to the first color gamut conversion device, used to judge the horizontal resolution of the first YCrCb color gamut signal according to a pixel size ratio, when the horizontal resolution of the first YCrCb color gamut signal When it is a first horizontal resolution, further generating a first enabling signal; 一缩放装置，连接至所述判断装置，当所述第一致能信号为真时，即所述第一水平分辨率不等于判断装置所决定出的第二水平分辨率时，将所述第一YCrCb色域信号缩放至一具有第二水平分辨率的第二YCrCb色域信号；A scaling device, connected to the judging device, when the first enable signal is true, that is, when the first horizontal resolution is not equal to the second horizontal resolution determined by the judging device, the first scaling a YCrCb color gamut signal to a second YCrCb color gamut signal having a second horizontal resolution; 一第二色域转换装置，连接至所述判断装置及所述缩放装置，以将所述具有第二水平分辨率的第二YCrCb色域信号转换至一具有所述第二水平分辨率的RGB色域信号；以及A second color gamut conversion device, connected to the judging device and the scaling device, to convert the second YCrCb color gamut signal with the second horizontal resolution into an RGB signal with the second horizontal resolution color gamut signals; and 一低通滤波映射装置，连接至所述第二色域转换装置，用以将所述具有第二水平分辨率的RGB色域信号滤波映射为一具有第三水平分辨率的RGB色域信号；A low-pass filter mapping device, connected to the second color gamut conversion device, for filtering and mapping the RGB color gamut signal with the second horizontal resolution into an RGB color gamut signal with the third horizontal resolution; 其中，所述第二水平分辨率为所述第三水平分辨率的K倍，当中，K为正整数；Wherein, the second horizontal resolution is K times the third horizontal resolution, where K is a positive integer; 其中，所述低通滤波映射装置包含一奇数条水平线低通滤波映射装置，以及一偶数条水平线低通滤波映射装置，所述奇数条水平线低通滤波映射装置接收所述具有第二水平分辨率的RGB色域信号中的奇数条水平线，并对所述奇数条水平线进行低通滤波映射，进而产生所述具有第三水平分辨率的RGB色域信号的奇数条水平线，所述偶数条水平线低通滤波映射装置接收所述具有第二水平分辨率的RGB色域信号中的偶数条水平线，并对所述偶数条水平线进行低通滤波映射，进而产生所述具有第三水平分辨率的RGB色域信号的偶数条水平线。Wherein, the low-pass filter mapping device includes an odd-numbered horizontal-line low-pass filter mapping device, and an even-numbered horizontal-line low-pass filter mapping device, and the odd-numbered horizontal-line low-pass filter mapping device receives the The odd number of horizontal lines in the RGB color gamut signal, and low-pass filter mapping is performed on the odd number of horizontal lines, and then the odd number of horizontal lines of the RGB color gamut signal with the third horizontal resolution is generated, and the even number of horizontal lines is low The pass filter mapping device receives the even-numbered horizontal lines in the RGB color gamut signal with the second horizontal resolution, and performs low-pass filter mapping on the even-numbered horizontal lines, thereby generating the RGB color with the third horizontal resolution An even number of horizontal lines for domain signals. 2.根据权利要求1所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述具有第二水平分辨率的RGB色域信号为直条型排列显示面板排列方式，并且具有640RGB×480的分辨率，所述具有第二水平分辨率的RGB色域信号中的一帧有480条水平线，每一水平线有640个像素，每一个像素有三个子像素，所述三个子像素分别为红色子像素、绿色子像素、及蓝色子像素。2. The pixel data conversion device for a triangular arrangement display panel according to claim 1, wherein the RGB color gamut signal with the second horizontal resolution is arranged in a straight bar display panel arrangement, and With a resolution of 640RGB×480, one frame of the RGB color gamut signal with the second horizontal resolution has 480 horizontal lines, each horizontal line has 640 pixels, each pixel has three sub-pixels, and the three sub-pixels They are red sub-pixels, green sub-pixels and blue sub-pixels respectively. 3.根据权利要求2所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述具有第三水平分辨率的RGB色域信号为三角式排列显示面板排列方式，并且具有320RGBx480的分辨率，所述具有第三水平分辨率的RGB色域信号中的一帧有480条水平线，每一水平线有960个像素，奇数条水平线以红色像素、绿色像素、蓝色像素依序排列，偶数条水平线以所述绿色像素、所述蓝色像素、所述红色像素依序排列，且所述偶数条水平线与所述奇数条水平线的像素位置相差半个像素。3. The pixel data conversion device for a triangular arrangement display panel according to claim 2, wherein the RGB color gamut signal with the third horizontal resolution is arranged in a triangular arrangement display panel, and has 320RGBx480 resolution, one frame of the RGB color gamut signal with the third horizontal resolution has 480 horizontal lines, each horizontal line has 960 pixels, and the odd number of horizontal lines are red pixels, green pixels, blue pixels in order Arrangement, the even numbered horizontal lines are arranged sequentially with the green pixels, the blue pixels, and the red pixels, and the pixel positions of the even numbered horizontal lines and the odd numbered horizontal lines are half a pixel apart. 4.根据权利要求3所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述三角式排列显示面板与所述直条型排列显示面板的像素尺寸比例为2/3。4. The pixel data conversion device for a triangular array display panel according to claim 3, wherein the pixel size ratio between the triangular array display panel and the straight bar array display panel is 2/3 . 5.根据权利要求4所述的用于三角式排列显示面板的像素数据转换装置，其中，所述第二水平分辨率为所述第三水平分辨率乘以所述像素尺寸比例，再乘以3。5. The pixel data conversion device for a triangular display panel according to claim 4, wherein the second horizontal resolution is the third horizontal resolution multiplied by the pixel size ratio, and then multiplied by 3. 6.根据权利要求1所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，K为2。6 . The pixel data conversion device for a triangular display panel according to claim 1 , wherein K is 2. 7 . 7.根据权利要求1所述的用于三角式排列显示面板的像素数据转换装置，其中，所述奇数条水平线低通滤波映射装置包含：一第一低通滤波器、一第二低通滤波器、及一第三低通滤波器，所述第一低通滤波器及所述第三低通滤波器依据所述具有第二水平分辨率的RGB色域信号中的奇数条水平线的三个像素，进行低通滤波，用以产生所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的红色像素及蓝色像素，所述第二低通滤波器依据所述具有第二水平分辨率的RGB色域信号中的奇数条水平线的二个像素，进行低通滤波，用以产生所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的绿色像素。7. The pixel data conversion device for a triangular display panel according to claim 1, wherein said odd-numbered horizontal line low-pass filter mapping device comprises: a first low-pass filter, a second low-pass filter device, and a third low-pass filter, the first low-pass filter and the third low-pass filter are based on three of the odd-numbered horizontal lines in the RGB color gamut signal with the second horizontal resolution Pixels are low-pass filtered to generate red pixels and blue pixels with an odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and the second low-pass filter is based on the second The two pixels of the odd number of horizontal lines in the RGB color gamut signal with the horizontal resolution are low-pass filtered to generate the green pixels of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution. 8.根据权利要求7所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述第一低通滤波器以下列公式表示：8. The pixel data conversion device for a triangular display panel according to claim 7, wherein the first low-pass filter is expressed by the following formula: R′m=α1×R(m*2-1)+β1×Rm*2+γ1×R(m*2+1)；R′ m =α 1 ×R (m*2-1) +β 1 ×R m*2 +γ 1 ×R (m*2+1) ; 其中，m为整数，R'm为所述具有第三水平分辨率的RGB色域信号的奇数条水平线的红色像素，R(m*2-1)、Rm*2、R(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号中的奇数条水平线的三个相邻像素的红色子像素，α1、β1、γ1为所述第一低通滤波器的系数，Wherein, m is an integer, R' m is the red pixel of the odd number of horizontal lines of the RGB color gamut signal with the third horizontal resolution, R (m*2-1) , R m*2 , R (m*2 +1) are the red sub-pixels of the three adjacent pixels of the odd number of horizontal lines in the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the first low-pass filter coefficient of the device, 所述第二低通滤波器以下列公式表示：The second low-pass filter is represented by the following formula: G′m=α2×G(m*2)+β2×G(m*2+1)；G′ m =α 2 ×G (m*2) +β 2 ×G (m*2+1) ; 其中，G'm为所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的绿色像素，G(m*2)、G(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号中的奇数条水平线的二个相邻像素的绿色子像素，α2、β2为所述第二低通滤波器的系数，Wherein, G' m is the green pixel of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and G (m*2) and G (m*2+1) are the green pixels with the second Green sub-pixels of two adjacent pixels of odd horizontal lines in the RGB color gamut signal of horizontal resolution, α 2 and β 2 are the coefficients of the second low-pass filter, 所述第三低通滤波器以下列公式表示：The third low-pass filter is represented by the following formula: B′m=α1×B(m*2)+β1×B(m*2+1)+γ1×B(m*2+2)；B′ m =α 1 ×B (m*2) +β 1 ×B (m*2+1) +γ 1 ×B (m*2+2) ; 当中，B'm为所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的蓝色像素，B(m*2)、B(m*2+1)、B(m*2+2)分别为所述具有第二水平分辨率的RGB色域信号中的奇数条水平线的三个相邻像素的蓝色子像素，α1、β1、γ1为所述第三低通滤波器的系数。Among them, B' m is the blue pixel of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, B (m*2) , B (m*2+1) , B (m*2 +2) are respectively the blue sub-pixels of three adjacent pixels of the odd number of horizontal lines in the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the third low-pass The coefficients of the filter. 9.根据权利要求1所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述偶数条水平线低通滤波映射装置包含：一第四低通滤波器、一第五低通滤波器、及一第六低通滤波器，所述第四低通滤波器与所述第六低通滤波器依据所述具有第二水平分辨率的RGB色域信号中的偶数条水平线的三个像素，进行低通滤波，进而产生所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的红色像素及蓝色像素，以及所述第五低通滤波器依据所述具有第二水平分辨率的RGB色域信号的偶数条水平线的二个像素，进行低通滤波，进而产生所述具有第三水平分辨率的RGB色域信号的偶数条水平线的绿色像素。9. The pixel data conversion device for a triangular display panel according to claim 1, wherein the even-numbered horizontal line low-pass filter mapping device comprises: a fourth low-pass filter, a fifth lowest pass filter, and a sixth low-pass filter, the fourth low-pass filter and the sixth low-pass filter are based on the even-numbered horizontal lines in the RGB color gamut signal with the second horizontal resolution Three pixels are low-pass filtered to generate red pixels and blue pixels with an even number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and the fifth low-pass filter is based on the The two pixels of the even-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution are low-pass filtered to generate the green pixels of the even-numbered horizontal lines of the RGB color gamut signal with the third horizontal resolution. 10.根据权利要求9所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述第四低通滤波器以下列公式表示：10. The pixel data conversion device for a triangular display panel according to claim 9, wherein the fourth low-pass filter is expressed by the following formula: R′m=α1×R(m*2)+β1×R(m*2+1)+γ1×R(m*2+2)；R′ m =α 1 ×R (m*2) +β 1 ×R (m*2+1) +γ 1 ×R (m*2+2) ; 其中，m为整数，R'm为所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的所述红色像素，R(m*2)、R(m*2+1)、R(m*2+2)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的三个相邻像素的红色子像素，α1、β1、γ1为所述第四低通滤波器的系数，Wherein, m is an integer, R' m is the red pixel of the even number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, R (m*2) , R (m*2+1) , R (m*2+2) are the red sub-pixels of the three adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the red sub-pixels of the first The coefficients of the four low-pass filters, 所述第五低通滤波器以下列公式表示：The fifth low-pass filter is represented by the following formula: G′m=α2×G(m*2-1)+β2×G(m*2)；G′ m =α 2 ×G (m*2-1) +β 2 ×G (m*2) ; 其中，G'm为所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的所述绿色像素，G(m*2-1)、G(m*2)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的二个相邻像素的绿色子像素，α2、β2为所述第五低通滤波器的系数，Wherein, G' m is the green pixel of the even number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and G (m*2-1) and G (m*2) are the green pixels with the The green sub-pixels of two adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal of the second horizontal resolution, α 2 and β 2 are the coefficients of the fifth low-pass filter, 所述第六低通滤波器以下列公式表示：The sixth low-pass filter is represented by the following formula: B′m=α1×B(m*2-1)+β1×B(m*2)+γ1×B(m*2+1)；B′ m =α 1 ×B (m*2-1) +β 1 ×B (m*2) +γ 1 ×B (m*2+1) ; 其中，B'm为所述具有第三水平分辨率的RGB色域信号的中偶数条水平线的所述蓝色像素，B(m*2-1)、B(m*2)、B(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的三个相邻像素的蓝色子像素，α1、β1、γ1为所述第六低通滤波器的系数。Wherein, B' m is the blue pixel of the even-numbered horizontal lines in the RGB color gamut signal with the third horizontal resolution, B (m*2-1) , B (m*2) , B (m *2+1) are the blue sub-pixels of the three adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the sixth lowest coefficients of the pass filter. 11.根据权利要求1所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述第一YCrCb色域信号为720YCrCb444格式、720YCrCb422格式、640YCrCb444格式或者640YCrCb422格式。11. The pixel data conversion device for a triangular display panel according to claim 1, wherein the first YCrCb color gamut signal is in 720YCrCb444 format, 720YCrCb422 format, 640YCrCb444 format or 640YCrCb422 format. 12.根据权利要求11所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，当所述第一YCrCb色域信号为所述720YCrCb444格式或所述720YCrCb422格式时，所述缩放装置被致能，其以下列公式表示：12. The pixel data converting device for a display panel arranged in a triangle arrangement according to claim 11, wherein when the first YCrCb color gamut signal is in the 720YCrCb444 format or the 720YCrCb422 format, the scaling The device is enabled, which is expressed by the following formula: Y′k=Yk/8*9，Y′ k =Y k/8*9 , Y′k+1=7/8*Y(k/8*9+1)+1/8*Y(k/8*9+2)，Y′ k+1 =7/8*Y (k/8*9+1) +1/8*Y (k/8*9+2) , Y′k+2=6/8*Y(k/8*9+2)+2/8*Y(k/8*9+3)，Y′ k+2 =6/8*Y (k/8*9+2) +2/8*Y (k/8*9+3) , Y′k+3=5/8*Y(k/8*9+3)+3/8*Y(k/8*9+4)，Y′ k+3 =5/8*Y (k/8*9+3) +3/8*Y (k/8*9+4) , Y′k+4=4/8*Y(k/8*9+4)+4/8*Y(k/8*9+5)，Y′ k+4 =4/8*Y (k/8*9+4) +4/8*Y (k/8*9+5) , Y′k+5=3/8*Y(k/8*9+5)+5/8*Y(k/8*9+6)，Y′ k+5 =3/8*Y (k/8*9+5) +5/8*Y (k/8*9+6) , Y′k+6=2/8*Y(k/8*9+6)+6/8*Y(k/8*9+7)，Y′ k+6 =2/8*Y (k/8*9+6) +6/8*Y (k/8*9+7) , Y′k+7=1/8*Y(k/8*9+7)+7/8*Y(k/8*9+8)，Y′ k+7 =1/8*Y (k/8*9+7) +7/8*Y (k/8*9+8) , 其中，k为8的整数倍，Yk/8*9、
Figure FDA0000419889190000051
Figure FDA0000419889190000052
为所述第一YCrCb色域信号的亮度值，Y′k、Y′k+1、Y′k+2、Y′k+3、Y′k+4、Y′k+5、Y′k+6、Y′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的亮度值。Among them, k is an integer multiple of 8, Y k/8*9 ,
Figure FDA0000419889190000051
Figure FDA0000419889190000052
is the luminance value of the first YCrCb color gamut signal, Y′ k , Y′ k+1 , Y′ k+2 , Y′ k+3 , Y′ k+4 , Y′ k+5 , Y′ k +6 and Y'k +7 are brightness values of the second YCrCb color gamut signal with the second horizontal resolution. 13.根据权利要求12所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，所述缩放装置以下列公式表示：13. The pixel data conversion device for a triangular arrangement display panel according to claim 12, wherein the scaling device is expressed by the following formula: Cb′k=Cbk/8*9，Cb′ k =Cb k/8*9 , Cb′k+1=7/8*Cb(k/8*9+1)+1/8*Cb(k/8*9+2)，Cb′ k+1 =7/8*Cb (k/8*9+1) +1/8*Cb (k/8*9+2) , Cb′k+2=6/8*Cb(k/8*9+2)+2/8*Cb(k/8*9+3)，Cb′ k+2 =6/8*Cb (k/8*9+2) +2/8*Cb (k/8*9+3) , Cb′k+3=5/8*Cb(k/8*9+3)+3/8*Cb(k/8*9+4)，Cb′ k+3 =5/8*Cb (k/8*9+3) +3/8*Cb (k/8*9+4) , Cb′k+4=4/8*Cb(k/8*9+4)+4/8*Cb(k/8*9+5)，Cb′ k+4 =4/8*Cb (k/8*9+4) +4/8*Cb (k/8*9+5) , Cb′k+5=3/8*Cb(k/8*9+5)+5/8*Cb(k/8*9+6)，Cb′ k+5 =3/8*Cb (k/8*9+5) +5/8*Cb (k/8*9+6) , Cb′k+6=2/8*Cb(k/8*9+6)+6/8*Cb(k/8*9+7)，Cb′ k+6 =2/8*Cb (k/8*9+6) +6/8*Cb (k/8*9+7) , Cb′k+7=1/8*Cb(k/8*9+7)+7/8*Cb(k/8*9+8)，Cb′ k+7 =1/8*Cb (k/8*9+7) +7/8*Cb (k/8*9+8) , 其中，k为8的整数倍，Cbk/8*9、
Figure FDA0000419889190000061
Figure FDA0000419889190000062
Figure FDA0000419889190000063
为所述第一YCrCb色域信号的色度值，Cb'k、Cb'k+1、Cb'k+2、Cb′k+3、Cb′k+4、Cb′k+5、Cb′k+6、Cb′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的色度值；Among them, k is an integer multiple of 8, Cb k/8*9 ,
Figure FDA0000419889190000061
Figure FDA0000419889190000062
Figure FDA0000419889190000063
is the chromaticity value of the first YCrCb color gamut signal, Cb' k , Cb' k+1 , Cb' k+2 , Cb' k+3 , Cb' k+4 , Cb' k+5 , Cb' k+6 , Cb' k+7 is the chrominance value of the second YCrCb color gamut signal with the second horizontal resolution; Cr′k=Crk/8*9，Cr′ k =Cr k/8*9 , Cr′k+1=7/8*Cr(k/8*9+1)+1/8*Cr(k/8*9+2)，Cr′ k+1 =7/8*Cr (k/8*9+1) +1/8*Cr (k/8*9+2) , Cr′k+2=6/8*Cr(k/8*9+2)+2/8*Cr(k/8*9+3)，Cr′ k+2 =6/8*Cr (k/8*9+2) +2/8*Cr (k/8*9+3) , Cr′k+3=5/8*Cr(k/8*9+3)+3/8*Cr(k/8*9+4)，Cr′ k+3 =5/8*Cr (k/8*9+3) +3/8*Cr (k/8*9+4) , Cr′k+4=4/8*Cr(k/8*9+4)+4/8*Cr(k/8*9+5)，Cr′ k+4 =4/8*Cr (k/8*9+4) +4/8*Cr (k/8*9+5) , Cr′k+5=3/8*Cr(k/8*9+5)+5/8*Cr(k/8*9+6)，Cr′ k+5 =3/8*Cr (k/8*9+5) +5/8*Cr (k/8*9+6) , Cr′k+6=2/8*Cr(k/8*9+6)+6/8*Cr(k/8*9+7)，Cr′ k+6 =2/8*Cr (k/8*9+6) +6/8*Cr (k/8*9+7) , Cr′k+7=1/8*Cr(k/8*9+7)+7/8*Cr(k/8*9+8)，Cr′ k+7 =1/8*Cr (k/8*9+7) +7/8*Cr (k/8*9+8) , 其中，k为8的整数倍，Crk/8*9、
Figure FDA0000419889190000071
为所述第一YCrCb色域信号的色度值，Cr′k、Cr′k+1、Cr′k+2、Cr′k+3、Cr′k+4、Cr′k+5、Cr′k+6、Cr′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的色度值。Among them, k is an integer multiple of 8, Cr k/8*9 ,
Figure FDA0000419889190000071
is the chromaticity value of the first YCrCb color gamut signal, Cr′ k , Cr′ k+1 , Cr′ k+2 , Cr′ k+3 , Cr′ k+4 , Cr′ k+5 , Cr′ k+6 and Cr' k+7 are chrominance values of the second YCrCb color gamut signal with the second horizontal resolution. 14.根据权利要求13所述的用于三角式排列显示面板的像素数据转换装置，其特征在于，当所述第一YCrCb色域信号为所述720YCrCb422格式时，所述第一YCrCb色域信号的色度值Cb2*w＝Cb2*w+1，Cr2*w＝Cr2*w+1，w为整数，且w≥0。14. The pixel data converting device for a display panel arranged in a triangle arrangement according to claim 13, wherein when the first YCrCb color gamut signal is in the 720YCrCb422 format, the first YCrCb color gamut signal The chromaticity value Cb 2*w =Cb 2*w+1 , Cr 2*w =Cr 2*w+1 , w is an integer, and w≥0. 15.一种用于三角式排列显示面板的像素数据转换方法，包含步骤：15. A pixel data conversion method for a triangular arrangement display panel, comprising the steps of: (A)将一输入影像信号由一RGB色域转换至一YCrCb色域，进而产生一第一YCrCb色域信号；(A) converting an input image signal from an RGB color gamut to a YCrCb color gamut, and then generating a first YCrCb color gamut signal; (B)判断所述第一YCrCb色域信号的水平分辨率，当所述第一YCrCb色域信号的水平分辨率为一第一水平分辨率时，产生一第一致能信号；(B) judging the horizontal resolution of the first YCrCb color gamut signal, and generating a first enabling signal when the horizontal resolution of the first YCrCb color gamut signal is a first horizontal resolution; (C)当所述第一致能信号为真时，即所述第一水平分辨率不等于第二水平分辨率时，将所述第一YCrCb色域信号缩放至一具有第二水平分辨率的第二YCrCb色域信号；(C) When the first enabling signal is true, that is, when the first horizontal resolution is not equal to the second horizontal resolution, scaling the first YCrCb color gamut signal to a signal with the second horizontal resolution The second YCrCb color gamut signal; (D)将所述具有第二水平分辨率的第二YCrCb色域信号转换至一具有所述第二水平分辨率的RGB色域信号，所述具有第二水平分辨率的RGB色域信号是为一直条型排列显示面板排列方式且其分辨率为640RGB×480，所述具有第二水平分辨率的RGB色域信号中的一帧有480条水平线，每一水平线有640个像素，每一个像素有三个子像素，所述三个子像素分别为红色子像素、绿色子像素、及蓝色子像素；以及(D) converting the second YCrCb color gamut signal with the second horizontal resolution to an RGB color gamut signal with the second horizontal resolution, the RGB color gamut signal with the second horizontal resolution is The display panel is arranged in a straight bar arrangement and its resolution is 640RGB×480. One frame of the RGB color gamut signal with the second horizontal resolution has 480 horizontal lines, and each horizontal line has 640 pixels. The pixel has three sub-pixels, and the three sub-pixels are red sub-pixels, green sub-pixels, and blue sub-pixels; and (E)将所述具有第二水平分辨率的RGB色域信号滤波映射为一具有第三水平分辨率的RGB色域信号；(E) filtering and mapping the RGB color gamut signal with the second horizontal resolution into an RGB color gamut signal with the third horizontal resolution; 其中，所述具有第三水平分辨率的RGB色域信号为三角式排列显示面板排列方式且其分辨率为320RGB×480，所述具有第三水平分辨率的RGB色域信号的一帧有480条水平线，每一水平线有960个像素，其中，奇数条水平线以红色像素、绿色像素、蓝色像素依序排列，偶数条水平线以所述绿色像素、所述蓝色像素、所述红色像素依序排列，以及所述偶数条水平线与所述奇数条水平线的像素位置相差半个像素；Wherein, the RGB color gamut signal with the third horizontal resolution is arranged in a triangular display panel arrangement and its resolution is 320RGB×480, and one frame of the RGB color gamut signal with the third horizontal resolution has 480 horizontal lines, and each horizontal line has 960 pixels, wherein, the odd horizontal lines are arranged in sequence with red pixels, green pixels, and blue pixels, and the even horizontal lines are arranged in sequence with the green pixels, the blue pixels, and the red pixels sequence, and the pixel positions of the even numbered horizontal lines and the odd numbered horizontal lines differ by half a pixel; 其中，步骤(E)包含：Wherein, step (E) comprises: (E1)执行第一低通滤波处理，所述第一低通滤波处理以下列公式表示：(E1) Execute the first low-pass filtering process, the first low-pass filtering process is expressed by the following formula: R′m=α1×R(m*2-1)+β1×Rm*2+γ1×R(m*2+1)；R′ m =α 1 ×R (m*2-1) +β 1 ×R m*2 +γ 1 ×R (m*2+1) ; 其中，m为整数，R'm为所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的所述红色像素，R(m*2-1)、Rm*2、R(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号的奇数条水平线的三个相邻像素的红色子像素，α1、β1、γ1为所述第一低通滤波器的系数；Wherein, m is an integer, R'm is the red pixel of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, R (m*2-1) , R m*2 , R ( m*2+1) are the red sub-pixels of the three adjacent pixels of the odd horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the first lowest Coefficients of the pass filter; (E2)执行第二低通滤波处理，所述第二低通滤波处理以下列公式表示：(E2) Execute the second low-pass filtering process, the second low-pass filtering process is expressed by the following formula: G′m=α2×G(m*2)+β2×G(m*2+1)；G′ m =α 2 ×G (m*2) +β 2 ×G (m*2+1) ; 其中，G'm为所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的所述绿色像素，G(m*2)、G(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号的奇数条水平线的二个相邻像素的绿色子像素，α2、β2为所述第二低通滤波器的系数；以及Wherein, G' m is the green pixel of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and G (m*2) and G (m*2+1) are the green pixels with the The green sub-pixels of two adjacent pixels of the odd horizontal lines of the RGB color gamut signal of the second horizontal resolution, α 2 and β 2 are the coefficients of the second low-pass filter; and (E3)执行第三低通滤波处理，所述第三低通滤波处理以下列公式表示：(E3) Execute the third low-pass filtering process, the third low-pass filtering process is expressed by the following formula: B′m=α1×B(m*2)+β1×B(m*2+1)+γ1×B(m*2+2)；B′ m =α 1 ×B (m*2) +β 1 ×B (m*2+1) +γ 1 ×B (m*2+2) ; 其中，B'm为所述具有第三水平分辨率的RGB色域信号中的奇数条水平线的所述蓝色像素，B(m*2)、B(m*2+1)、B(m*2+2)分别为所述具有第二水平分辨率的RGB色域信号的奇数条水平线的三个相邻像素的蓝色子像素，α1、β1、γ1为所述第三低通滤波器的系数；Wherein, B' m is the blue pixel of the odd number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, B (m*2) , B (m*2+1) , B (m *2+2) are the blue sub-pixels of the three adjacent pixels of the odd-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the third lowest Coefficients of the pass filter; (E4)执行第四低通滤波处理，所述第四低通滤波处理以下列公式表示：(E4) Execute the fourth low-pass filtering process, the fourth low-pass filtering process is expressed by the following formula: R′m=α1×R(m*2)+β1×R(m*2+1)+γ1×R(m*2+2)；R′ m =α 1 ×R (m*2) +β 1 ×R (m*2+1) +γ 1 ×R (m*2+2) ; 其中，m为整数，R'm为所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的所述红色像素，R(m*2)、R(m*2+1)、R(m*2+2)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的三个相邻像素的红色子像素，α1、β1、γ1为所述第四低通滤波器的系数；Wherein, m is an integer, R' m is the red pixel of the even number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, R (m*2) , R (m*2+1) , R (m*2+2) are the red sub-pixels of the three adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the red sub-pixels of the first Coefficients of four low-pass filters; (E5)执行第五低通滤波处理，所述第五低通滤波处理以下列公式表示：(E5) Execute the fifth low-pass filtering process, and the fifth low-pass filtering process is expressed by the following formula: G′m=α2×G(m*2-1)+β2×G(m*2)；G′ m =α 2 ×G (m*2-1) +β 2 ×G (m*2) ; 其中，G'm为所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的所述绿色像素，G(m*2-1)、G(m*2)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的二个相邻像素的绿色子像素，α2、β2为所述第五低通滤波器的系数；以及Wherein, G' m is the green pixel of the even number of horizontal lines in the RGB color gamut signal with the third horizontal resolution, and G (m*2-1) and G (m*2) are the green pixels with the The green sub-pixels of two adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal of the second horizontal resolution, α 2 and β 2 are the coefficients of the fifth low-pass filter; and (E6)执行第六低通滤波处理，所述第六低通滤波处理以下列公式表示：(E6) Execute the sixth low-pass filtering process, the sixth low-pass filtering process is expressed by the following formula: B′m=α1×B(m*2-1)+β1×B(m*2)+γ1×B(m*2+1)；B′ m =α 1 ×B (m*2-1) +β 1 ×B (m*2) +γ 1 ×B (m*2+1) ; 其中，B'm为所述具有第三水平分辨率的RGB色域信号中的偶数条水平线的所述蓝色像素，B(m*2-1)、B(m*2)、B(m*2+1)分别为所述具有第二水平分辨率的RGB色域信号的偶数条水平线的三个相邻像素的蓝色子像素，α1、β1、γ1为所述第六低通滤波器的系数。Wherein, B' m is the blue pixel of the even-numbered horizontal lines in the RGB color gamut signal with the third horizontal resolution, B (m*2-1) , B (m*2) , B (m *2+1) are the blue sub-pixels of the three adjacent pixels of the even-numbered horizontal lines of the RGB color gamut signal with the second horizontal resolution, and α 1 , β 1 , and γ 1 are the sixth lowest coefficients of the pass filter. 16.根据权利要求15所述的用于三角式排列显示面板的像素数据转换方法，其特征在于，所述第一YCrCb色域信号为720YCrCb444格式、720YCrCb422格式、640YCrCb444格式或者640YCrCb422格式。16. The pixel data conversion method for a triangular display panel according to claim 15, wherein the first YCrCb color gamut signal is in 720YCrCb444 format, 720YCrCb422 format, 640YCrCb444 format or 640YCrCb422 format. 17.根据权利要求16所述的用于三角式排列显示面板的像素数据转换方法，其特征在于，当所述第一YCrCb色域信号为所述720YCrCb444格式或者所述720YCrCb422格式时，步骤(C)以下列公式表示：17. The pixel data conversion method for a triangular arrangement display panel according to claim 16, wherein when the first YCrCb color gamut signal is the 720YCrCb444 format or the 720YCrCb422 format, step (C ) is represented by the following formula: Y′k=Yk/8*9，Y′ k =Y k/8*9 , Y′k+1=7/8*Y(k/8*9+1)+1/8*Y(k/8*9+2)，Y′ k+1 =7/8*Y (k/8*9+1) +1/8*Y (k/8*9+2) , Y′k+2=6/8*Y(k/8*9+2)+2/8*Y(k/8*9+3)，Y′ k+2 =6/8*Y (k/8*9+2) +2/8*Y (k/8*9+3) , Y′k+3=5/8*Y(k/8*9+3)+3/8*Y(k/8*9+4)，Y′ k+3 =5/8*Y (k/8*9+3) +3/8*Y (k/8*9+4) , Y′k+4=4/8*Y(k/8*9+4)+4/8*Y(k/8*9+5)，Y′ k+4 =4/8*Y (k/8*9+4) +4/8*Y (k/8*9+5) , Y′k+5=3/8*Y(k/8*9+5)+5/8*Y(k/8*9+6)，Y′ k+5 =3/8*Y (k/8*9+5) +5/8*Y (k/8*9+6) , Y′k+6=2/8*Y(k/8*9+6)+6/8*Y(k/8*9+7)，Y′ k+6 =2/8*Y (k/8*9+6) +6/8*Y (k/8*9+7) , Y′k+7=1/8*Y(k/8*9+7)+7/8*Y(k/8*9+8)，Y′ k+7 =1/8*Y (k/8*9+7) +7/8*Y (k/8*9+8) , 其中，k为8的整数倍，Yk/8*9、
Figure FDA0000419889190000101
为所述第一YCrCb色域信号的亮度值，Y′k、Y′k+1、Y′k+2、Y′k+3、Y′k+4、Y′k+5、Y′k+6、Y′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的亮度值；及以下列公式表示：Among them, k is an integer multiple of 8, Y k/8*9 ,
Figure FDA0000419889190000101
is the luminance value of the first YCrCb color gamut signal, Y′ k , Y′ k+1 , Y′ k+2 , Y′ k+3 , Y′ k+4 , Y′ k+5 , Y′ k +6 , Y'k +7 is the luminance value of the second YCrCb color gamut signal with the second horizontal resolution; and expressed by the following formula: Cb′k=Cbk/8*9，Cb′ k =Cb k/8*9 , Cb′k+1=7/8*Cb(k/8*9+1)+1/8*Cb(k/8*9+2)，Cb′ k+1 =7/8*Cb (k/8*9+1) +1/8*Cb (k/8*9+2) , Cb′k+2=6/8*Cb(k/8*9+2)+2/8*Cb(k/8*9+3)，Cb′ k+2 =6/8*Cb (k/8*9+2) +2/8*Cb (k/8*9+3) , Cb′k+3=5/8*Cb(k/8*9+3)+3/8*Cb(k/8*9+4)，Cb′ k+3 =5/8*Cb (k/8*9+3) +3/8*Cb (k/8*9+4) , Cb′k+4=4/8*Cb(k/8*9+4)+4/8*Cb(k/8*9+5)，Cb′ k+4 =4/8*Cb (k/8*9+4) +4/8*Cb (k/8*9+5) , Cb′k+5=3/8*Cb(k/8*9+5)+5/8*Cb(k/8*9+6)，Cb′ k+5 =3/8*Cb (k/8*9+5) +5/8*Cb (k/8*9+6) , Cb′k+6=2/8*Cb(k/8*9+6)+6/8*Cb(k/8*9+7)，Cb′ k+6 =2/8*Cb (k/8*9+6) +6/8*Cb (k/8*9+7) , Cb′k+7=1/8*Cb(k/8*9+7)+7/8*Cb(k/8*9+8)，Cb′ k+7 =1/8*Cb (k/8*9+7) +7/8*Cb (k/8*9+8) , 其中，k为8的整数倍，Cbk/8*9、
Figure FDA0000419889190000112
为所述第一YCrCb色域信号的色度值，Cb'k、Cb'k+1、Cb'k+2、Cb′k+3、Cb′k+4、Cb′k+5、Cb′k+6、Cb′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的色度值；Among them, k is an integer multiple of 8, Cb k/8*9 ,
Figure FDA0000419889190000112
is the chromaticity value of the first YCrCb color gamut signal, Cb' k , Cb' k+1 , Cb' k+2 , Cb' k+3 , Cb' k+4 , Cb' k+5 , Cb' k+6 , Cb' k+7 is the chrominance value of the second YCrCb color gamut signal with the second horizontal resolution; Cr′k=Crk/8*9，Cr′ k =Cr k/8*9 , Cr′k+1=7/8*Cr(k/8*9+1)+1/8*Cr(k/8*9+2)，Cr′ k+1 =7/8*Cr (k/8*9+1) +1/8*Cr (k/8*9+2) , Cr′k+2=6/8*Cr(k/8*9+2)+2/8*Cr(k/8*9+3)，Cr′ k+2 =6/8*Cr (k/8*9+2) +2/8*Cr (k/8*9+3) , Cr′k+3=5/8*Cr(k/8*9+3)+3/8*Cr(k/8*9+4)，Cr′ k+3 =5/8*Cr (k/8*9+3) +3/8*Cr (k/8*9+4) , Cr′k+4=4/8*Cr(k/8*9+4)+4/8*Cr(k/8*9+5)，Cr′ k+4 =4/8*Cr (k/8*9+4) +4/8*Cr (k/8*9+5) , Cr′k+5=3/8*Cr(k/8*9+5)+5/8*Cr(k/8*9+6)，Cr′ k+5 =3/8*Cr (k/8*9+5) +5/8*Cr (k/8*9+6) , Cr′k+6=2/8*Cr(k/8*9+6)+6/8*Cr(k/8*9+7)，Cr′ k+6 =2/8*Cr (k/8*9+6) +6/8*Cr (k/8*9+7) , Cr′k+7=1/8*Cr(k/8*9+7)+7/8*Cr(k/8*9+8)，Cr′ k+7 =1/8*Cr (k/8*9+7) +7/8*Cr (k/8*9+8) , 其中，k为8的整数倍，Crk/8*9、
Figure FDA0000419889190000122
为所述第一YCrCb色域信号的色度值，Cr′k、Cr′k+1、Cr′k+2、Cr′k+3、Cr′k+4、Cr′k+5、Cr′k+6、Cr′k+7为所述具有第二水平分辨率的第二YCrCb色域信号的色度值。Among them, k is an integer multiple of 8, Cr k/8*9 ,
Figure FDA0000419889190000122
is the chromaticity value of the first YCrCb color gamut signal, Cr′ k , Cr′ k+1 , Cr′ k+2 , Cr′ k+3 , Cr′ k+4 , Cr′ k+5 , Cr′ k+6 and Cr' k+7 are chrominance values of the second YCrCb color gamut signal with the second horizontal resolution. 18.根据权利要求17所述的用于三角式排列显示面板的像素数据转换方法，其特征在于，当所述第一YCrCb色域信号为所述720YCrCb422格式时，所述第一YCrCb色域信号的色度值Cb2*w＝Cb2*w+1，Cr2*w＝Cr2*w+1，w为整数，且w≥0。18. The pixel data conversion method for a triangular display panel according to claim 17, wherein when the first YCrCb color gamut signal is in the 720YCrCb422 format, the first YCrCb color gamut signal The chromaticity value Cb 2*w =Cb 2*w+1 , Cr 2*w =Cr 2*w+1 , w is an integer, and w≥0.
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