CN1779510A - Shared pixel displaying method - Google Patents
Shared pixel displaying method Download PDFInfo
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- CN1779510A CN1779510A CN 200410091230 CN200410091230A CN1779510A CN 1779510 A CN1779510 A CN 1779510A CN 200410091230 CN200410091230 CN 200410091230 CN 200410091230 A CN200410091230 A CN 200410091230A CN 1779510 A CN1779510 A CN 1779510A
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Abstract
A method for displaying shared pixel includes arranging pixel arrangement A of color filter on sub pixel then judging inclusion D-value of sampled adjacent pixel, using adjacent pixel with the same color to carry out weight ratio redistribution and then distributing sampled and weight-ratio redistributed pixel signal to color filter for displaying by driving IC.
Description
Technical field
The present invention relates to a kind of shared formula pixel displaying method, particularly a kind ofly resolve the image display technique be converted to harmonic analysis, in order to reduce the demand number of display drive IC at height.
Background technology
Vision is the sensation that the effect of light of different wave length causes in human brain in retina, and colour vision is the basic function of vision system, and is significant for the detection of image and object.The wavelength of human eye luminous ray is 390～780 millimicrons (nm), general distinguishable 120～180 kinds of different colors that go out to comprise purple, 7 kinds of main colors of blue, blue, green, yellow, orange, red.Differentiating color mainly is the function of cellula visualis, concentrate because of cellula visualis to be distributed in amphiblestroid central part, so this place's chromatic discrimination power is the strongest, and the convergence periphery, retina disappears successively to the esthesis of green, red, yellow, blue 4 kinds of colors.
Again as can be known, do suitably to mix, can produce any color on white light and the spectrum with 3 kinds of looks of red, green, blue by physics.About the theory of colour vision, how to explain at present with " three primary colors theory ".This theory is thought, on retina, exist respectively three kind cellula visualis or the corresponding photosensitive pigment responsive especially to the wavelength of three kinds of light of red, green and blue, when the light of different wave length is gone at the moment, can cause that sensitive wave length conforms to it or close cellula visualis generation excitement in various degree, so produce corresponding colour vision at brain; Three kinds of cellula visualises then can produce white colour vision if be subjected to the stimulation of equal extent.
Present flat-panel displays, for example LCD (LCD) is to be used for that computing machine shows and other simulation shows that with numerical data it comprises the cell that is made of pixel, lights with certain pattern and forms image (letter, numeral, image, reach other figure).
This cell is minimum physical location, and to constitute a display unit, the arrangement of subpixels of display is a line striated (Stripe) (as shown in Figure 1) at present.Line striated (as Fig. 1) is arranged and is represented red, green, blue sub-pixel r, g, b to become the line striated to arrange respectively.Drive IC is one of fundamental parts of LCD again, and it is high to account for LCD cost proportion.The major function of drive IC is that the output required voltage is to pixel, in order to the degree of reversing of control liquid crystal molecule.
Colored LCD need use colored filter, and (color filter CF), via the signal Processing of control IC, makes from the white light of backlight emission, can utilize the processing of colored filter, shows colored picture.The making of colored filter is on glass substrate, with the organic material of Red Green Blue, is produced within each sub-pixel r, g, the b.
So as shown in fig. 1, present common colored filter arrangement mode, sub-pixel r, g, b are arranged as the height of line striated and resolve image, highdensity arrangement.To list in the gate driving IC of Y-axis, as display panel is that a former pixel 10 has the height of 240 row to resolve demand, then each row sub-pixel r, g, the b of each former pixel 10 respectively need a signalling channel of drive IC (channel), so for a drive IC that 240 signal pins are arranged, drive IC need be used three.But for the small size liquid crystal display of fixedly display graphics or literal, for accounting for the high drive IC of LCD cost proportion, each display is all wanted so many drive IC, will cause the increase of cost, cause squeezing mutually of drive IC supply and demand simultaneously, get over for a long time when demand, the unit cost of this drive IC will be high more.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the defective that exists in the above-mentioned prior art, a kind of shared formula pixel displaying method is provided, it utilizes the collimation error of human eye colour vision, reduce the utilization rate of image pixel, under the situation that reduces a little resolution, reduce the number of drive IC, the drive IC cost of reduction liquid crystal display reaches the quantity required to drive IC.
For this reason, shared formula pixel displaying method according to the present invention may further comprise the steps: to the sub-pixel sampling of former pixel, the sub-pixel sampling is that the pixel of collocation colored filter is arranged to drive IC earlier; Judge that whether sampling back neighbor includes difference greater than setting value,, do weight proportion its brightness value of reallocating by adjacent same color pixel again at including the neighbor of difference greater than setting value; Drive IC will be assigned to the colored filter demonstration of collocation through the sampling and the picture element signal of weight proportion reallocation again; By sampling and weight proportion reallocation, can reduce the demand of viewing area pixel to signalling channel.
Therefore, shared formula pixel displaying method according to the present invention can utilize the collimation error of human eye colour vision, reduces unnecessary image pixel, reduces the number of drive IC, reduces the drive IC cost of liquid crystal display and to the quantity required of drive IC.
Description of drawings
Fig. 1 is the arrangement synoptic diagram of general line striated.
Fig. 2 is the calcspar of shared formula pixel displaying method of the present invention.
Fig. 3 is the synoptic diagram of first embodiment of pixel sampling of the present invention.
Fig. 4 is the synoptic diagram of second embodiment of pixel sampling of the present invention.
Fig. 5 is the synoptic diagram of the 3rd embodiment of pixel sampling of the present invention.
Fig. 6 is the synoptic diagram of the 4th embodiment of pixel sampling of the present invention.
Fig. 7 is the synoptic diagram of weight proportion reallocation of the present invention.
Embodiment
Relevant detailed content of the present invention and technical descriptioon, existing accompanying drawings is as follows:
Please consulting shown in Figure 2ly earlier, is the calcspar of shared formula pixel displaying method of the present invention.As shown in the figure, this method mainly comprises:
(a), original high former pixel 10 of resolving image is arranged as line striated (as shown in Figure 1).
(b), this former pixel 10 comprises sub-pixel r, g, b, height is resolved the image display method that is converted to harmonic analysis is resolved image at the original height of demonstration former pixel 10, to sub-pixel r, g, the b sampling of former pixel 10, this sub-pixel r, g, b sampling are that pixel R, G, the B of collocation colored filter arranges to drive IC earlier.
Wherein, this sampling rule is a colored filter when collocation when being shown as pixel R, then to the sampling of former pixel 10 based on sub-pixel r; When the colored filter of collocation when being shown as pixel G, then to the sampling of former pixel 10 based on sub-pixel g; When the colored filter of collocation when being shown as pixel B, then to the sampling of former pixel 10 based on sub-pixel b.
This sampling mode, now illustrate as follows, please consult Fig. 3 earlier, this figure is the synoptic diagram of first embodiment of pixel sampling of the present invention, as shown in the figure, three former pixels 10 of line striated configuration are taken out its sub-pixel r respectively, sub-pixel g, sub-pixel b, insert pairing pixel R on the colored filter of collocation then respectively, pixel G, the position of pixel B, this pixel R wherein, G, B is the arrangement mode of a triangle, just with pixel R, pixel G, pixel B triangularity stacked arrangement, like this, in the prior art, three former pixels 10 are taken out its sub-pixel r respectively, sub-pixel g, nine passages (c1～c9), need only use three passage (C1～C3) both can in the present embodiment that sub-pixel b uses.
Please consulting Fig. 4 again, is the synoptic diagram of second embodiment of pixel sampling of the present invention.As shown in the figure, two former pixels 10 of line striated configuration are taken out its four sub-pixel r respectively, g, g, b, insert pairing pixel R on the colored filter of collocation then respectively, pixel G, the position of pixel B, this pixel R wherein, G, B is nonisochromatic stripe-arrangement mode up and down, and pixel wide is small one and large one (ratio is 1: 2), being strip is staggered, like this, in the prior art, two former pixels 10 of line striated configuration are taken out its four sub-pixel r respectively, sub-pixel g, six passages (c1～c6), need only use four passage (C1～C4) both can in the present embodiment that sub-pixel b must use.The sampling method of this embodiment, in selection in the consideration of colour vision, to former photochromic (color) number, lost the pixel R of part and the luminous point of pixel B, and the green glow (G) low to human eye colour vision esthesis, because comparatively insensitive, then all keep its luminous point to this coloured light.Please consulting Fig. 5 again, is the synoptic diagram of the 3rd embodiment of pixel sampling of the present invention.As shown in the figure, two former pixels 10 of line striated configuration are taken out its sub-pixel r respectively, b, insert pairing pixel R on the colored filter of collocation then respectively, the position of pixel B, the position of pairing pixel G on the colored filter of collocation is inserted in the computing that the sub-pixel of two former pixels 10 then passes through " addition remove 2 " again, this pixel R wherein, G, B is nonisochromatic stripe-arrangement mode up and down, and pixel wide is small one and large one (ratio is 1: 2), being strip is staggered, the arrangement of colored filter is identical with second embodiment, but the cabling of display is then different, but the pixel column C2 that adjacent two column width are little one is connected in series pattern mutually, like this, in the prior art, two former pixels 10 of line striated configuration are taken out its four sub-pixel r respectively, sub-pixel g, six passages (c1～c6), need only use three passage (C1～C3) both can in the present embodiment that sub-pixel b must use.The sampling method of this embodiment, in the consideration of colour vision, in the selection of its photochromic number, lost the pixel R of part and the luminous point of pixel B, and the green glow (G) low to human eye colour vision esthesis, because comparatively insensitive, then all keep and use its luminous point and hybrid to show this coloured light.
Please consulting Fig. 6 again, is the synoptic diagram of the 4th embodiment of pixel sampling of the present invention.As shown in the figure, identical with aforementioned the 3rd embodiment, two former pixels 10 of line striated configuration are taken out its sub-pixel r respectively, b, insert pairing pixel R on the colored filter of collocation then respectively, the position of pixel B, the position of pairing pixel G on the colored filter of collocation is inserted in the computing that the sub-pixel of two former pixels 10 then passes through " addition remove 2 " again, this pixel R wherein, G, B is nonisochromatic stripe-arrangement mode up and down, different with aforementioned the 3rd embodiment is, the pixel wide that this colored filter is arranged is identical, like this, in the prior art, two former pixels 10 of line striated configuration are taken out its four sub-pixel r respectively, sub-pixel g, six passages (c1～c6), need only use three passage (C1～C3) both can in the present embodiment that sub-pixel b must use.The sampling method of this embodiment, in the consideration of colour vision, identical in the selection of its photochromic number with aforementioned the 3rd embodiment, the pixel R of part and the luminous point of pixel B have been lost, and the green glow (G) low to human eye colour vision esthesis, because comparatively insensitive, then all keep and use its luminous point and hybrid to show this coloured light.
(c), according to required display application face, can choose the arrangement of required colored filter at four enforcements, as: first embodiment will get well than the display effect of literal the display effect of picture, please consult Fig. 2 again, when drive IC at the arrangement of collocation colored filter earlier to the sub-pixel r of former pixel 10, g, after the b sampling, because reallocate via pixel, reach and reduce the purpose of resolving, though the passage demand number of drive IC reduces, but also therefore lost the part display message, also because of the difference of the extent of damage, thus new arrange the dispersity that is produced also can be different.So drive IC needs earlier two adjacent pixels after the sampling to be judged, whether that judges two adjacent pixels includes difference greater than setting value, if two adjacent pixels include difference greater than predetermined set value, promptly Sun Shi display message is carried out the reallocation of weight proportion again by adjacent same color pixel.
(d), the reallocation of this weight proportion, according to general demonstration, exist certain neighbouring relations between pixel and the pixel, therefore the coloured light element of sampling back loss can be compensated by adjacent pixels, to strengthen display effect.See also Fig. 7, be pixel with the back difference of taking a sample be a center pixel R (x, y), G (x, y) or B (x, y), with this center pixel R (x, y), G (x, y) or B (x, y) be main, ((x y) is example to the same color pixel adjacent with periphery with center pixel R, the peripheral adjacent same color pixel of its grid bearing is R (x-1, y-1), R (x, y-1), R (x+1, y-1), R (x-1, y), R (x+1, y), R (x-1, y+1), R (x, y+1), R (x+1, y+1)) weight proportion offset closes and equals 1, compensates as adjacent pixels.
Be R (x-1, y-1)+R (x, y-1)+R (x+1, y-1)+R (x-1, y)+R (x, y)+R (x+1, y)+R (x-1, y+1)+R (x, y+1)+R (x+1, y+1)=1.
G(x-1，y-1)+G(x，y-1)+G(x+1，y-1)+G(x-1，y)+G(x，y)+G(x+1，y)+G(x-1，y+1)+G(x，y+1)+G(x+1，y+1)＝1。
B(x-1，y-1)+B(x，y-1)+B(x+1，y-1)+B(x-1，y)+B(x，y)+B(x+1，y)+B(x-1，y+1)+B(x，y+1)+B(x+1，y+1)＝1。(e), drive IC again will be through the pixel R, the G that take a sample and weight proportion is reallocated, B signal allocation to the colored filter of arranging in pairs or groups, as the luminous signal of image demonstration.
(f), by sampling and weight proportion reallocation, pixel R, G, B signal allocation are shared the image demonstration of formula to the colored filter of collocation, by this, can reduce viewing area pixel R, G, the B demand to the signalling channel of drive IC.
As nine passages of the described former palpus of preceding first, second, third and fourth embodiment (c1～c9), use shared formula pixel displaying method of the present invention need only use three passages (C1～C3) (first embodiment); And six passages of former palpus (c1～c6), use shared formula pixel displaying method of the present invention need only use four passages (C1～C4) (second embodiment) or three passage (C1～C3) (third and fourth embodiment), the relative minimizing of this port number, mean the minimizing of this drive IC number, can reduce the quantity required of liquid crystal display like this, reduce the cost that drive IC causes drive IC.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All in the spirit and principles in the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. shared formula pixel displaying method, original high former pixel (10) of resolving image is arranged as the line striated, described former pixel comprises sub-pixel (r, g, b), and described shared formula pixel displaying method is characterized in that for height is resolved the image display method that is converted to harmonic analysis:
Drive IC is taken a sample to the sub-pixel (r, g, b) of described former pixel (10) earlier, the arrangement of the pixel (R, G, B) of described sub-pixel (r, g, b) sampling collocation colored filter;
Judge that whether sampling back neighbor includes difference greater than setting value,, do weight proportion its brightness value of reallocating by adjacent same color pixel again at including the neighbor of difference greater than setting value;
Drive IC will show to the colored filter of arranging in pairs or groups through pixel (R, G, the B) signal allocation of sampling with the weight proportion reallocation again;
By sampling and weight proportion reallocation, can reduce the demand of viewing area pixel (R, G, B) to signalling channel.
2. shared formula pixel displaying method according to claim 1 is characterized in that, described sampling rule is when the colored filter of arranging in pairs or groups is shown as pixel (R), then to the sampling of described former pixel (10) based on sub-pixel (r).
3. shared formula pixel displaying method according to claim 1 is characterized in that, described sampling rule is when the colored filter of arranging in pairs or groups is shown as pixel (G), then to the sampling of described former pixel (10) based on sub-pixel (g).
4. shared formula pixel displaying method according to claim 1 is characterized in that, described sampling rule is when the colored filter of arranging in pairs or groups is shown as pixel (B), then to the sampling of described former pixel (10) based on sub-pixel (b).
5. shared formula pixel displaying method according to claim 1 is characterized in that the reallocation of described weight proportion is based on center pixel, and the weight proportion offset of the same color pixel adjacent with periphery closes and equals 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410091230 CN1779510A (en) | 2004-11-17 | 2004-11-17 | Shared pixel displaying method |
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| CN 200410091230 CN1779510A (en) | 2004-11-17 | 2004-11-17 | Shared pixel displaying method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196649B (en) * | 2006-12-06 | 2010-12-08 | 索尼株式会社 | Display device |
| CN101996616A (en) * | 2009-08-24 | 2011-03-30 | 三星电子株式会社 | Subpixel rendering with color coordinates weights depending on tests performed on pixels |
| CN103714775A (en) * | 2013-12-30 | 2014-04-09 | 北京京东方光电科技有限公司 | Pixel array, driving method thereof, display panel and display device |
| CN104050896A (en) * | 2014-05-19 | 2014-09-17 | 京东方科技集团股份有限公司 | Display panel as well as display method and display device thereof |
-
2004
- 2004-11-17 CN CN 200410091230 patent/CN1779510A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196649B (en) * | 2006-12-06 | 2010-12-08 | 索尼株式会社 | Display device |
| CN101996616A (en) * | 2009-08-24 | 2011-03-30 | 三星电子株式会社 | Subpixel rendering with color coordinates weights depending on tests performed on pixels |
| CN101996616B (en) * | 2009-08-24 | 2015-02-18 | 三星显示有限公司 | Subpixel rendering with color coordinates weights depending on tests performed on pixels |
| CN103714775A (en) * | 2013-12-30 | 2014-04-09 | 北京京东方光电科技有限公司 | Pixel array, driving method thereof, display panel and display device |
| WO2015100987A1 (en) * | 2013-12-30 | 2015-07-09 | 京东方科技集团股份有限公司 | Pixel array, driving method for pixel array, display panel and display device |
| CN103714775B (en) * | 2013-12-30 | 2016-06-01 | 北京京东方光电科技有限公司 | Pel array and driving method, display panel and display unit |
| US9773445B2 (en) | 2013-12-30 | 2017-09-26 | Boe Technology Group Co., Ltd. | Pixel array, driving method thereof, display panel and display device |
| US10388206B2 (en) | 2013-12-30 | 2019-08-20 | Boe Technology Group Co., Ltd. | Pixel array, driving method thereof, display panel and display device |
| CN104050896A (en) * | 2014-05-19 | 2014-09-17 | 京东方科技集团股份有限公司 | Display panel as well as display method and display device thereof |
| US9892696B2 (en) | 2014-05-19 | 2018-02-13 | Boe Technology Group Co., Ltd. | Display panel having a plurality of pixels driven in a time-sharing manner, display method thereof and display device |
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