CN105137641A - Display device and display method - Google Patents
Display device and display method Download PDFInfo
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- CN105137641A CN105137641A CN201510541360.7A CN201510541360A CN105137641A CN 105137641 A CN105137641 A CN 105137641A CN 201510541360 A CN201510541360 A CN 201510541360A CN 105137641 A CN105137641 A CN 105137641A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
Abstract
The invention provides a display device and a display method. The display device comprises a pixel array. The pixel array comprises a color sub-pixel array and a white sub-pixel array, wherein the color sub-pixel array comprises a plurality of color sub-pixel lines arrayed in the first direction, each color sub-pixel line comprises a plurality of color sub-pixels which are sequentially arranged in the second direction and are in the first color, the second color and the third color, and the first direction and the second direction are crossed; the while sub-pixel array comprises a plurality of white sub-pixel lines arrayed in the first direction, and each white sub-pixel line comprises a plurality of white sub-pixels sequentially arrayed in the second direction; the while sub-pixel lines and the color sub-pixel lines are arranged at intervals and are staggered in the second direction at preset intervals; each white sub-pixel and four color sub-pixels adjacent to the white sub-pixel form a display unit for display together. By means of the display device and the display method, cost can be saved, process difficulty can be lowered, and the opening rate of the display device can be effectively increased.
Description
Technical field
The disclosure relates to display technique field, is specifically related to a kind of display device and display packing.
Background technology
Along with the development of optical technology and semiconductor technology, liquid crystal indicator (LiquidCrystalDisplay, and organic LED display device (OrganicLightEmittingDiode LCD), etc. OLED) owing to having, body is more frivolous, cost and energy consumption is lower, reaction velocity is faster, excitation and brightness is more excellent and contrast more high for panel display apparatus, has been widely used in each electronic product.
At present, along with improving constantly of sized display and resolution, the power consumption of display device is also more and more higher, and the power consumption how effectively reducing display device becomes present one large problem.Compared to traditional standard RGB (RGB) display device, standard WRGB (white RGB) display device not only increases the brightness of display device, effectively can also reduce the power consumption of display device simultaneously, therefore be subject to increasing attention.
It is the picture element matrix schematic diagram of existing standard WRGB display device in Fig. 1.Can find, it is compared to the picture element matrix of standard RGB display device, many in the row direction white sub-pixels.Therefore, in the display device of comparable size, the circuits such as the data line (DataLine) of existing standard WRGB display device will increase by 1/3 compared to standard RGB display device, namely add the wiring in display device, are unfavorable for the increase of display device aperture opening ratio; Meanwhile, it is less that pel spacing also becomes, and adds the technology difficulty of display device, cause adverse effect to product yield.
Summary of the invention
Object of the present disclosure is to provide a kind of display device and display packing, for overcoming at least to a certain extent due to the restriction of correlation technique and defect and the one or more problems caused.
Other characteristics of the present disclosure and advantage become clear by by detailed description below, or the acquistion partially by practice of the present disclosure.
According to first aspect of the present disclosure, a kind of display device is provided, comprises:
One pel array, described pel array comprises:
Color sub-pixel array, comprise multiple color sub-pixel row along first direction arrangement, described color sub-pixel row comprise the color sub-pixel of multiple the first to the 3rd color along second direction sequential, and first direction intersects with second direction; And,
White sub-pixels array, comprises multiple white sub-pixels row along first direction arrangement, and described white sub-pixels row comprise multiple multiple white sub-pixels along second direction sequential; Described white sub-pixels row arrange alternate setting with described color sub-pixel and arrange with described color sub-pixel the preset pitch that staggers in a second direction;
Wherein, utilize white sub-pixels described in each jointly to form a display unit with four color sub-pixel be adjacent and show, described four color sub-pixel comprise the color sub-pixel of the first to the 3rd color.
In a kind of exemplary embodiment of the present disclosure, also comprise:
One sub-pixel rendering module, for according to a sub-pixel Rendering algorithms, is converted to the brightness value of each sub-pixel in described pel array by the brightness value of each sub-pixel in the first corresponding for image to be displayed virtual pixel array.
In a kind of exemplary embodiment of the present disclosure, described white sub-pixels is the brightness center of described display unit.
In a kind of exemplary embodiment of the present disclosure, the area of each described color sub-pixel is identical and be greater than the area of each described white sub-pixels.
In a kind of exemplary embodiment of the present disclosure, the area of each described color sub-pixel is the twice of the area of each described white sub-pixels.
In a kind of exemplary embodiment of the present disclosure, the breadth length ratio of described color sub-pixel is 3:4, and the length direction of described color sub-pixel is identical with described second direction.
In a kind of exemplary embodiment of the present disclosure, the breadth length ratio of described white sub-pixels is 3:8, and the length direction of described white sub-pixels is identical with described second direction.
In a kind of exemplary embodiment of the present disclosure, in this second direction, the sub-pixel pitch of described white sub-pixels is identical with the sub-pixel pitch of described color sub-pixel, and it is 1/2 sub-pixel pitch that described white sub-pixels row arrange with described color sub-pixel the described preset pitch staggered in this second direction.
In a kind of exemplary embodiment of the present disclosure, in said first direction, described first color sub-pixels, the second color sub-pixels and the 3rd color sub-pixels sequential.
In a kind of exemplary embodiment of the present disclosure, described first virtual pixel array comprises array distribution and the first virtual display formed by the color sub-pixel of the first to the 3rd color; One second virtual pixel array comprises array distribution and the second virtual display formed by the color sub-pixel of white sub-pixels and the first to the 3rd color; Wherein:
The brightness value corresponding conversion of each described first virtual display sub-pixel is the brightness value of each described second virtual display sub-pixel by described sub-pixel rendering module; And, the brightness value of each described second virtual display sub-pixel is converted to the brightness value of described display unit sub-pixel.
In a kind of exemplary embodiment of the present disclosure, the described brightness value corresponding conversion by each described first virtual display sub-pixel is that the brightness value of each described second virtual display sub-pixel comprises:
A white brightness value is extracted in the brightness value of arbitrary described first virtual display;
In this first virtual display each sub-pixel brightness value in deduct the part that in described white brightness value, this sub-pixel is contributed, obtain the first to the 3rd colour intensity value;
Described white brightness value and the first to the 3rd colour intensity value are corresponded to the brightness value of each sub-pixel in the second virtual display described in.
In a kind of exemplary embodiment of the present disclosure, the brightness value that the described brightness value by each described second virtual display sub-pixel is converted to described display unit sub-pixel comprises:
In arbitrary described display unit, the brightness value of arbitrary color sub-pixel is L
1:
L
1＝p(x
0l
0+x
1l
1+x
2l
2+x
3l
3)；
Wherein, described l
0~ l
3and x
0~ x
3the brightness value being respectively sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of all display units of this color sub-pixel shared and the brightness ratio wherein contributed by this color sub-pixel, p is regulation coefficient and p≤1;
In arbitrary described display unit, the brightness value L of arbitrary white sub-pixels
2=qn; Wherein, described n is the brightness value of white sub-pixels in described second virtual display that this display unit is corresponding, and q is regulation coefficient and q≤1.
In a kind of exemplary embodiment of the present disclosure, if the brightness value of sub-pixel identical with this color sub-pixel color in described second virtual display all contributed by this color sub-pixel, then described brightness ratio is 1; Otherwise described brightness ratio is 1/2.
In a kind of exemplary embodiment of the present disclosure, the described first to the 3rd color is respectively the one in red, green and blueness.
According to second aspect of the present disclosure, a kind of display packing is provided, be applied to a pel array, described pel array comprises: color sub-pixel array, comprise multiple color sub-pixel row along first direction arrangement, described color sub-pixel row comprise the color sub-pixel of multiple the first to the 3rd color along second direction sequential, and first direction intersects with second direction; And white sub-pixels array, comprises multiple white sub-pixels row along first direction arrangement, and described white sub-pixels row comprise multiple multiple white sub-pixels along second direction sequential; Described white sub-pixels row arrange alternate setting with described color sub-pixel and arrange with described color sub-pixel the preset pitch that staggers in a second direction; Described display packing comprises: utilize white sub-pixels described in each jointly to form a display unit with four color sub-pixel be adjacent and show, described four color sub-pixel comprise the color sub-pixel of the first to the 3rd color;
According to a sub-pixel Rendering algorithms, the brightness value of each sub-pixel in the first corresponding for image to be displayed virtual pixel array is converted to the brightness value of each sub-pixel in described pel array.
In a kind of exemplary embodiment of the present disclosure, described first virtual pixel array comprises array distribution and the first virtual display formed by the color sub-pixel of the first to the 3rd color; One second virtual pixel array comprises array distribution and the second virtual display formed by the color sub-pixel of white sub-pixels and the first to the 3rd color; Described display packing comprises:
By the brightness value that the brightness value corresponding conversion of each described first virtual display sub-pixel is each described second virtual display sub-pixel; And, the brightness value of each described second virtual display sub-pixel is converted to the brightness value of described display unit sub-pixel.
In a kind of exemplary embodiment of the present disclosure, the described brightness value corresponding conversion by each described first virtual display sub-pixel is that the brightness value of each described second virtual display sub-pixel comprises:
A white brightness value is extracted in the brightness value of arbitrary described first virtual display;
In this first virtual display each sub-pixel brightness value in deduct the part that in described white brightness value, this sub-pixel is contributed, obtain the first to the 3rd colour intensity value;
Described white brightness value and the first to the 3rd colour intensity value are corresponded to the brightness value of each sub-pixel in the second virtual display described in.
In a kind of exemplary embodiment of the present disclosure, the brightness value that the described brightness value by each described second virtual display sub-pixel is converted to described display unit sub-pixel comprises:
In arbitrary described display unit, the brightness value of arbitrary color sub-pixel is L
1:
L
1＝p(x
0l
0+x
1l
1+x
2l
2+x
3l
3)；
Wherein, described l
0~ l
3and x
0~ x
3the brightness value being respectively sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of all display units of this color sub-pixel shared and the brightness ratio wherein contributed by this color sub-pixel, p is regulation coefficient and p≤1;
In arbitrary described display unit, the brightness value L of arbitrary white sub-pixels
2=qn; Wherein, described n is the brightness value of white sub-pixels in described second virtual display that this display unit is corresponding, and q is regulation coefficient and q≤1.
In a kind of exemplary embodiment of the present disclosure, if the brightness value of sub-pixel identical with this color sub-pixel color in described second virtual display all contributed by this color sub-pixel, then described brightness ratio is 1; Otherwise described brightness ratio is 1/2.
In display device in this exemplary embodiment and display packing, by providing new RGBW pixel matrix structure, effectively can promote display brightness on the one hand, thus reduction power consumption, on the other hand, this picture element matrix visually can realize the resolution substantially close with standard RGB in conjunction with corresponding sub-pixel Rendering algorithms; Meanwhile, compared to existing standard RGBW picture element matrix, drastically reduce the area sub-pixel quantity, and the wiring such as data line also reduces thereupon, while saving cost, reduction technology difficulty, can also the effective aperture opening ratio increasing display device.
Accompanying drawing explanation
Describe its exemplary embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present disclosure and advantage will become more obvious.
Fig. 1 is the structural representation of prior art Plays RGBW picture element matrix.
Fig. 2 is the structural representation of a kind of picture element matrix in disclosure exemplary embodiment.
Fig. 3 is the brightness center schematic diagram of a kind of picture element matrix in prior art Plays rgb pixel matrix and disclosure exemplary embodiment.
Fig. 4 is the display unit schematic diagram of a kind of picture element matrix in disclosure exemplary embodiment.
Fig. 5 is that in disclosure exemplary embodiment, a sub pixel plays up schematic flow sheet.
Embodiment
More fully exemplary embodiment is described referring now to accompanying drawing.But exemplary embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, these embodiments are provided to make the disclosure comprehensively with complete, and the design of exemplary embodiment will be conveyed to those skilled in the art all sidedly.In the drawings, in order to clear, exaggerate, be out of shape or simplify geomery.Reference numeral identical in the drawings represents same or similar structure, thus will omit their detailed description.
In addition, described feature, structure or step can be combined in one or more embodiment in any suitable manner.In the following description, provide many details thus provide fully understanding embodiment of the present disclosure.But, one of skill in the art will appreciate that and can put into practice technical scheme of the present disclosure and not have in described specific detail one or more, or other method, step, structure etc. can be adopted.
Provide firstly a kind of display device in this exemplary embodiment, this display device can be the panel display apparatus such as liquid crystal indicator or OLED display.This display device comprises one and is formed in pel array on substrate.Pel array comprises color sub-pixel array and white sub-pixels array.Wherein, color sub-pixel array comprises multiple color sub-pixel row along first direction arrangement, and described color sub-pixel row comprise the color sub-pixel of multiple the first color along second direction sequential to the 3rd color, and first direction intersects with second direction.White sub-pixels array comprises multiple white sub-pixels row along first direction arrangement, and described white sub-pixels row comprise multiple multiple white sub-pixels along second direction sequential.In this exemplary embodiment, described white sub-pixels row arrange alternate setting with described color sub-pixel and arrange with described color sub-pixel the preset pitch that staggers in a second direction.Below, be red, the second color for green and the 3rd color for blueness is described in detail the display device in this exemplary embodiment for described first color.But those skilled in the art are it is easily understood that in other exemplary embodiments of the present disclosure, described first color can be also other color combination to the 3rd color, not to be limited in this exemplary embodiment.
Shown in figure 2, being wherein above-mentioned first direction with line direction, is above-mentioned second direction with column direction.Color sub-pixel array comprises the color sub-pixel row being positioned at multiple odd column, and white sub-pixels array comprises the white sub-pixels row being positioned at multiple even column.In this exemplary embodiment, at column direction, red sub-pixel, green sub-pixels and blue subpixels sequential, in the row direction, the same sequential of red sub-pixel, green sub-pixels and blue subpixels, this arrangement mode can make the brightness uniformity of display unit in oblique direction distribute, and improve the rendering effect in oblique direction, visual angle is better simultaneously; But other arrangement modes of color sub-pixel, belong to protection domain of the present disclosure equally.In the column direction, the sub-pixel pitch of described white sub-pixels is identical with the sub-pixel pitch (centre distance) of described color sub-pixel, such as shown in Fig. 2 embodiment, namely the sub-pixel pitch of white sub-pixels and the sub-pixel pitch of described color sub-pixel are 8/3a, it is 1/2 sub-pixel pitch, i.e. 4/3a that white sub-pixels row arrange with color sub-pixel the described preset pitch staggered in a column direction.Certainly, those skilled in the art are it is easily understood that described preset pitch also may be 1/5 sub-pixel pitch, 1/3 sub-pixel pitch, 3/4 sub-pixel pitch or other spacing non-vanishing arbitrarily.
Continue with reference to shown in figure 2, in this exemplary embodiment, the area of each described color sub-pixel is identical and be greater than the area of each described white sub-pixels, with the brightness making each color sub-pixel can provide higher, is convenient to be realized better display effect by during multiple display unit shared.For example, in figure, the breadth length ratio of red sub-pixel, green sub-pixels and blue subpixels is 3:4, the breadth length ratio of white sub-pixels is that 3:8 is (in this exemplary embodiment, the Width of sub-pixel is identical with described line direction, the length direction of sub-pixel is identical with described column direction), like this, then each display unit can be made substantially identical at the display profile of vision with display unit in standard RGB at the display profile of vision.And due to the length of white sub-pixels identical with the length of color sub-pixel, the area of each described color sub-pixel is then the twice of the area of each described white sub-pixels, and namely the area of each described color sub-pixel is identical and be greater than the area of each described white sub-pixels.Certainly, those skilled in the art also specifically can adjust area ratio and the breadth length ratio of red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels as required, do not do particular determination in this exemplary embodiment to this.
Shown in figure 3, white sub-pixels described in each can be utilized in this exemplary embodiment jointly to form a display unit with four color sub-pixel be adjacent and to show.Such as, five sub-pixels of the ABCDE in Fig. 3 form one first display unit jointly, and BDFGH five sub-pixels form one second display unit jointly, and CDIJK five sub-pixels form one the 3rd display unit jointly; Wherein, the first display unit and the second display unit share sub-pixel B and sub-pixel D, and the first display unit and the 3rd display unit share sub-pixel C and sub-pixel D, and the second display unit and the 3rd display unit share sub-pixel D.
In display mode in the present example embodiment, described white sub-pixels can as the brightness center of described display unit.When the described preset pitch staggered is 1/2 sub-pixel pitch, can ensure that brightness is centrally located at the central point of display unit.Brightness center is center bright in display unit, and human eye is the strongest to the perception at brightness center, and it may be used for visually distinguishing display unit, and the resolution of display panel can be defined by the quantity calculating brightness center usually.As shown in Figure 4, because the quantity of white sub-pixels in this exemplary embodiment does not reduce compared to standard RGB display device of the prior art, therefore under comparable size, visually can have the substantially identical display unit of quantity with standard RGB display device, namely visually substantially identical PPI (pixelsperinch, the number of pixels of per inch) can be had with standard RGB display device.
In above-mentioned display device, the display brightness of each sub-pixel can be determined by sub-pixel Rendering algorithms (SubPixelRendering, SPR).In this exemplary embodiment, described display device can also comprise a sub-pixel rendering module, and the brightness value of each sub-pixel in the first corresponding for image to be displayed virtual pixel array can be converted to the brightness value of each sub-pixel in described pel array according to sub-pixel Rendering algorithms by sub-pixel rendering module.
Shown in figure 5, in this exemplary embodiment, described first virtual pixel array can comprise array distribution and the first virtual display formed by red, green and blue color sub-pixel, is the standard rgb pixel matrix corresponding to image to be displayed data message.Because the pel array in this exemplary embodiment also comprises white sub-pixels, in order to obtain the transition being convenient to brightness transition, one second virtual pixel array can also be provided, comprising array distribution and the second virtual display formed by white sub-pixels and redness, green and blue color sub-pixel, can be foregoing standard RGBW picture element matrix.As shown in Figure 5, sub-pixel rendering module can first by brightness value that the brightness value corresponding conversion of each described first virtual display sub-pixel is each described second virtual display sub-pixel; Then, the brightness value of each described second virtual display sub-pixel can be converted to the brightness value of described display unit sub-pixel.It should be noted that, if above-mentioned first virtual pixel matrix is RGBW picture element matrix, also can without the need to providing the second virtual pixel matrix.
In this exemplary embodiment, be that the brightness value of each described second virtual display sub-pixel can comprise the following steps by the brightness value corresponding conversion of each described first virtual display sub-pixel:
S1. in the brightness value of arbitrary described first virtual display, a white brightness value is extracted; For the first virtual display of y4, y5, y6 composition, white brightness value w is:
w＝k·min(y4,y5,y6)
Wherein, k is predetermined coefficient, and y4, y5, y6 are the brightness of sub-pixel y4, y5, y6.
S2. in this first virtual display each sub-pixel brightness value in deduct the part that in described white brightness value, this sub-pixel is contributed, obtain redness, green and blue intensity values; Such as, the brightness of deducting from y4, y5, y6 after white brightness value w is: y4-w, y5-w and y6-w.
S3. described white brightness value and redness, green and blue intensity values are corresponded to the brightness value of each sub-pixel in the second virtual display described in; Such as, brightness value Y5, Y6, Y7, Y8 of second virtual display sub-pixel Y5, Y6, Y7, the Y8 obtained are respectively:
Y5＝α·(y4-w)
Y6＝α·(y5-w)
Y7＝α·(y6-w)
Y8＝w
Wherein, α is conversion factor.
Continue with reference to shown in figure 5, wherein, in the picture element matrix (Fig. 5 bottom) provided in this example embodiment, each color sub-pixel share by four display units, the brightness being sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of four display units of this color sub-pixel shared contributes.Based on this, the brightness value obtaining each color sub-pixel can be superposed.Such as:
In arbitrary described display unit, the brightness value of arbitrary color sub-pixel is L
1:
L
1＝p(x
0l
0+x
1l
1+x
2l
2+x
3l
3)；
Wherein, described l
0~ l
3and x
0~ x
3the brightness value being respectively sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of all display units of this color sub-pixel shared and the brightness ratio wherein contributed by this color sub-pixel, p is regulation coefficient and p≤1, the brightness value that regulation coefficient is mainly used in calculating is decayed, and overflows to avoid brightness.
White sub-pixels is not shared by other displays, in arbitrary described display unit, and the brightness value L of arbitrary white sub-pixels
2=qn; Wherein, described n is the brightness value of white sub-pixels in described second virtual display that this display unit is corresponding, q is regulation coefficient and q≤1, the brightness value that regulation coefficient is mainly used in calculating is decayed, overflow to avoid brightness, meanwhile, regulation coefficient q can also be used for the adjustment of brightness and saturation degree etc. to display frame.
Shown in figure 5, owing to having four color sub-pixel in a display unit, and comprise three kinds of colors, therefore a kind of sub-pixel of color is had to have two, and then in described second virtual display, the brightness of parton pixel is provided separately by a sub-pixel in picture element matrix, and the brightness of parton pixel is provided jointly by two sub-pixels in picture element matrix.Based on this, in this exemplary embodiment, if the brightness value of sub-pixel identical with this color sub-pixel color in described second virtual display all contributed by this color sub-pixel, then described brightness ratio is 1; Otherwise described brightness ratio is 1/2.
For the display unit P1 of A, B, C, D, E composition in Fig. 5, the second virtual display P1 ' of its correspondence is made up of sub-pixel Y5, Y6, Y7, Y8.Wherein, red sub-pixel A be shown the display unit P4 of the display unit P2 above unit P1 and P1, upper left display unit P3 and right share, the second virtual display corresponding to these display units is respectively the second virtual display P2 ', upper left second virtual display P3 ' and the second virtual display P4 ' of right of the second virtual display P1 ' and P1 ' top; Namely sub-pixel A needs the part or all of brightness providing red sub-pixel X5, Y5, X1, Y1.For example, in the second virtual display P1 ', P3 ', the brightness of Y5, X1 is provided alone by red sub-pixel A, then corresponding above-mentioned brightness ratio can be 1; In second virtual display P2 ', the brightness of X5 is provided jointly by red sub-pixel A and red sub-pixel F, in 3rd virtual display P4 ', the brightness of Y1 is provided jointly by red sub-pixel A and red sub-pixel G, then corresponding above-mentioned brightness ratio can be 1/2.It can thus be appreciated that the brightness A of red sub-pixel A can be:
A＝p(1/2·X5+Y5+X1+1/2·Y1)。
Picture element matrix Green sub-pixel B is shared by second virtual pixel matrix Green sub-pixel X6, Y6, X10, Y10, and known equally, its brightness value B can be:
B＝p(X6+1/2·Y6+1/2·X10+Y10)。
Picture element matrix Green sub-pixel C is shared by second virtual pixel matrix Green sub-pixel Y6, Z6, Y2, Z2, and known equally, its brightness value C can be:
C＝p(1/2·Y6+Z6+Y2+1/2·Z2)。
In picture element matrix, blue subpixels D is shared by blue subpixels Y7, Z7, Y11, Z11 in the second virtual pixel matrix, known equally, and its brightness value D can be:
D＝p(Y7+1/2·Z7+1/2·Y11+Z11)。
In picture element matrix, the brightness value of white sub-pixels E can be:
E＝q·Y8。
Wherein, regulation coefficient p, q are all not more than 1, and can set according to demand.
In picture element matrix, in other display units, the brightness of each sub-pixel all can be calculated by said method, then provides corresponding data-signal to show accordingly by source electrode driver and data line etc.Those skilled in the art it is easily understood that the ratio that relates in above-mentioned calculating and coefficient etc. its may be also other values, not to be limited in this exemplary embodiment.
Further, a kind of display packing corresponding to above-mentioned display device is additionally provided in this exemplary embodiment.Because the embodiment of the method is described in detail in the associated exemplary embodiment of above-mentioned display device, therefore repeat no more herein.
In display device in this exemplary embodiment and display packing, by providing new RGBW pixel matrix structure, effectively can promote display brightness on the one hand, thus reduction power consumption, on the other hand, this picture element matrix visually can realize the PPI substantially close with standard RGB in conjunction with corresponding sub-pixel Rendering algorithms; Meanwhile, compared to existing standard RGBW picture element matrix, drastically reduce the area sub-pixel quantity, and the wiring such as data line also reduces thereupon, while saving cost, reduction technology difficulty, can also the effective aperture opening ratio increasing display device.
The disclosure is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present disclosure.Must it is noted that the embodiment disclosed limit the scope of the present disclosure.On the contrary, not departing from the change and retouching done in spirit and scope of the present disclosure, scope of patent protection of the present disclosure is all belonged to.
Claims (19)
1. a display device, is characterized in that, comprising:
One pel array, described pel array comprises:
Color sub-pixel array, comprise multiple color sub-pixel row along first direction arrangement, described color sub-pixel row comprise the color sub-pixel of multiple the first to the 3rd color along second direction sequential, and first direction intersects with second direction; And,
White sub-pixels array, comprises multiple white sub-pixels row along first direction arrangement, and described white sub-pixels row comprise multiple multiple white sub-pixels along second direction sequential; Described white sub-pixels row arrange alternate setting with described color sub-pixel and arrange with described color sub-pixel the preset pitch that staggers in a second direction;
Wherein, utilize white sub-pixels described in each jointly to form a display unit with four color sub-pixel be adjacent and show, described four color sub-pixel comprise the color sub-pixel of the first to the 3rd color.
2. display device according to claim 1, is characterized in that, also comprises:
One sub-pixel rendering module, for according to a sub-pixel Rendering algorithms, is converted to the brightness value of each sub-pixel in described pel array by the brightness value of each sub-pixel in the first corresponding for image to be displayed virtual pixel array.
3. display device according to claim 2, is characterized in that, described white sub-pixels is the brightness center of described display unit.
4. display device according to claim 1, is characterized in that, the area of each described color sub-pixel is identical and be greater than the area of each described white sub-pixels.
5. display device according to claim 4, is characterized in that, the area of each described color sub-pixel is the twice of the area of each described white sub-pixels.
6. display device according to claim 4, is characterized in that, the breadth length ratio of described color sub-pixel is 3:4, and the length direction of described color sub-pixel is identical with described second direction.
7. display device according to claim 4, is characterized in that, the breadth length ratio of described white sub-pixels is 3:8, and the length direction of described white sub-pixels is identical with described second direction.
8. display device according to claim 1, it is characterized in that, in this second direction, the sub-pixel pitch of described white sub-pixels is identical with the sub-pixel pitch of described color sub-pixel, and it is 1/2 sub-pixel pitch that described white sub-pixels row arrange with described color sub-pixel the described preset pitch staggered in this second direction.
9. display device according to claim 1, is characterized in that, in said first direction, and described first color sub-pixels, the second color sub-pixels and the 3rd color sub-pixels sequential.
10. display device according to claim 2, is characterized in that, described first virtual pixel array comprises array distribution and the first virtual display formed by the color sub-pixel of the first to the 3rd color; One second virtual pixel array comprises array distribution and the second virtual display formed by the color sub-pixel of white sub-pixels and the first to the 3rd color; Wherein:
The brightness value corresponding conversion of each described first virtual display sub-pixel is the brightness value of each described second virtual display sub-pixel by described sub-pixel rendering module; And, the brightness value of each described second virtual display sub-pixel is converted to the brightness value of described display unit sub-pixel.
11. display device according to claim 10, is characterized in that, the described brightness value corresponding conversion by each described first virtual display sub-pixel is that the brightness value of each described second virtual display sub-pixel comprises:
A white brightness value is extracted in the brightness value of arbitrary described first virtual display;
In this first virtual display each sub-pixel brightness value in deduct the part that in described white brightness value, this sub-pixel is contributed, obtain the first to the 3rd colour intensity value;
Described white brightness value and the first to the 3rd colour intensity value are corresponded to the brightness value of each sub-pixel in the second virtual display described in.
12. display device according to claim 10, is characterized in that, the brightness value that the described brightness value by each described second virtual display sub-pixel is converted to described display unit sub-pixel comprises:
In arbitrary described display unit, the brightness value of arbitrary color sub-pixel is L
1:
L
1＝p(x
0l
0+x
1l
1+x
2l
2+x
3l
3)；
Wherein, described l
0~ l
3and x
0~ x
3the brightness value being respectively sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of all display units of this color sub-pixel shared and the brightness ratio wherein contributed by this color sub-pixel, p is regulation coefficient and p≤1;
In arbitrary described display unit, the brightness value L of arbitrary white sub-pixels
2=qn; Wherein, described n is the brightness value of white sub-pixels in described second virtual display that this display unit is corresponding, and q is regulation coefficient and q≤1.
13. display device according to claim 12, is characterized in that, if the brightness value of sub-pixel identical with this color sub-pixel color in described second virtual display all contributed by this color sub-pixel, then described brightness ratio is 1; Otherwise described brightness ratio is 1/2.
14. display device according to claim 1-13 any one, is characterized in that, the described first to the 3rd color is respectively the one in red, green and blueness.
15. 1 kinds of display packings, it is characterized in that, be applied to a pel array, described pel array comprises: color sub-pixel array, comprise multiple color sub-pixel row along first direction arrangement, described color sub-pixel row comprise the color sub-pixel of multiple the first to the 3rd color along second direction sequential, and first direction intersects with second direction; And white sub-pixels array, comprises multiple white sub-pixels row along first direction arrangement, and described white sub-pixels row comprise multiple multiple white sub-pixels along second direction sequential; Described white sub-pixels row arrange alternate setting with described color sub-pixel and arrange with described color sub-pixel the preset pitch that staggers in a second direction; Described display packing comprises: utilize white sub-pixels described in each jointly to form a display unit with four color sub-pixel be adjacent and show, described four color sub-pixel comprise the color sub-pixel of the first to the 3rd color;
According to a sub-pixel Rendering algorithms, the brightness value of each sub-pixel in the first corresponding for image to be displayed virtual pixel array is converted to the brightness value of each sub-pixel in described pel array.
16. display packings according to claim 15, is characterized in that, described first virtual pixel array comprises array distribution and the first virtual display formed by the color sub-pixel of the first to the 3rd color; One second virtual pixel array comprises array distribution and the second virtual display formed by the color sub-pixel of white sub-pixels and the first to the 3rd color; Described display packing comprises:
By the brightness value that the brightness value corresponding conversion of each described first virtual display sub-pixel is each described second virtual display sub-pixel; And, the brightness value of each described second virtual display sub-pixel is converted to the brightness value of described display unit sub-pixel.
17. display packings according to claim 16, is characterized in that, the described brightness value corresponding conversion by each described first virtual display sub-pixel is that the brightness value of each described second virtual display sub-pixel comprises:
A white brightness value is extracted in the brightness value of arbitrary described first virtual display;
In this first virtual display each sub-pixel brightness value in deduct the part that in described white brightness value, this sub-pixel is contributed, obtain the first to the 3rd colour intensity value;
Described white brightness value and the first to the 3rd colour intensity value are corresponded to the brightness value of each sub-pixel in the second virtual display described in.
18. display packings according to claim 16, is characterized in that, the brightness value that the described brightness value by each described second virtual display sub-pixel is converted to described display unit sub-pixel comprises:
In arbitrary described display unit, the brightness value of arbitrary color sub-pixel is L
1:
L
1＝p(x
0l
0+x
1l
1+x
2l
2+x
3l
3)；
Wherein, described l
0~ l
3and x
0~ x
3the brightness value being respectively sub-pixel identical with this color sub-pixel color in each self-corresponding described second virtual display of all display units of this color sub-pixel shared and the brightness ratio wherein contributed by this color sub-pixel, p is regulation coefficient and p≤1;
In arbitrary described display unit, the brightness value L of arbitrary white sub-pixels
2=qn; Wherein, described n is the brightness value of white sub-pixels in described second virtual display that this display unit is corresponding, and q is regulation coefficient and q≤1.
19. display packings according to claim 18, is characterized in that, if the brightness value of sub-pixel identical with this color sub-pixel color in described second virtual display all contributed by this color sub-pixel, then described brightness ratio is 1; Otherwise described brightness ratio is 1/2.
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