CN105096887B - A kind of dot structure, display panel, display device and driving method - Google Patents
A kind of dot structure, display panel, display device and driving method Download PDFInfo
- Publication number
- CN105096887B CN105096887B CN201510540874.0A CN201510540874A CN105096887B CN 105096887 B CN105096887 B CN 105096887B CN 201510540874 A CN201510540874 A CN 201510540874A CN 105096887 B CN105096887 B CN 105096887B
- Authority
- CN
- China
- Prior art keywords
- sub
- pixel
- color
- unit
- pixel unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
This application discloses a kind of dot structures.Dot structure includes multiple first pixels, and the first pixel is 2 × 2 sub-pixel unit matrixes, and the first pixel includes the first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit according to clockwise direction arrangement；First sub-pixel unit and third sub-pixel unit include the first sub-pixel and the second sub-pixel, the arrangement mode all same of the first sub-pixel and the second sub-pixel in the first sub-pixel unit and third sub-pixel unit；First sub-pixel and the second sub-pixel are right angled triangle；Second sub-pixel unit and the 4th sub-pixel unit include third sub-pixel and the 4th sub-pixel, the second sub-pixel unit and third sub-pixel and the arrangement mode all same of the 4th sub-pixel in the 4th sub-pixel unit；Third sub-pixel and the 4th sub-pixel are right angled triangle.So that display brightness is more uniform, aperture opening ratio improves 28%, and display effect is more preferably.
Description
Technical field
This application involves electronic technology fields, and in particular to display technology field more particularly to a kind of dot structure include
The display panel of the dot structure and the display device comprising the display panel and the drive applied to the display device
Dynamic method
Background technology
In the colour display device of traditional Real RGB (Real Red Green Blue, true color are turquoise) pattern,
It is that long edge lengths a1 and bond length b1 is that one pixel of the dot structure (shown in Fig. 1) of display panel, which generally comprises shape,
3:The red (R) of 1 rectangle, green (G), blue (B) three different colours sub-pixel, by control on some pixel
Three kinds of color components such as three sub-pixels corresponding R, G, B size, you can control the color shown by the pixel
And brightness.As requirement of the people to image quality is higher and higher, the quantity (PPI) of the pixel of the unit area of display panel
Also it is more and more.However the light transmittance (TR%) of each pixel but declines with increasing for PPI, therefore, employs
Increase white sub-pixels of the shape for rectangle on the basis of Real RGB patterns to reach the requirement of high transparency, it is such
Display pattern is known as RGBW (Red Green Blue White, red, green, blue and white) pattern, in RGBW pattern, as shown in Fig. 2,
The ratio between long edge lengths a2 and bond length b2 of each sub-pixel are 4:1, that is to say, that in RGBW pattern, each sub-pixel
Width reduce 1/4 than three primary colours pattern sub-pixel width, in addition the data line of sub-pixel increases 1/3, between pixel
Spacing is also increasingly thinner so that technology difficulty increases.In addition, in RGBW pattern as shown in Figure 2, white sub-pixels line up one
Row, since its light transmittance is very high, it is easy to lead to occur perpendicular bright rays on panel so that picture is not uniform enough.
Invention content
The purpose of the application is to propose a kind of improved dot structure, display panel and packet comprising the dot structure
Display device containing the display panel and the driving method applied to the display device, so as to solve as described above extremely
A few technical problem..
On the one hand, this application provides a kind of dot structure, the dot structure is described including multiple first pixels
First pixel is 2 × 2 sub-pixel unit matrixes, and first pixel includes the first sub- picture according to clockwise direction arrangement
Plain unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit；
First sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit are
The identical rectangle of shape,
First sub-pixel unit and the third sub-pixel unit include the first sub-pixel and the second sub-pixel, institute
State the arrangement of first sub-pixel and second sub-pixel in the first sub-pixel unit and the third sub-pixel unit
Mode all same, in position and the third sub-pixel unit of first sub-pixel in first sub-pixel unit
Position is identical, the position in position and the third sub-pixel unit of second sub-pixel in first sub-pixel unit
It puts identical；First sub-pixel and second sub-pixel are right angled triangle；
Second sub-pixel unit and the 4th sub-pixel unit include third sub-pixel and the 4th sub-pixel, institute
State the arrangement of the second sub-pixel unit and the third sub-pixel and the 4th sub-pixel in the 4th sub-pixel unit
Mode all same, in position and the 4th sub-pixel unit of the third sub-pixel in second sub-pixel unit
Position is identical, the position in position and the 4th sub-pixel unit of second sub-pixel in second sub-pixel unit
It puts identical；The third sub-pixel and the 4th sub-pixel are right angled triangle；
First sub-pixel, the second sub-pixel, the color of third picture and the 4th sub-pixel are different.
Optionally, first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel list
Member is for square.
Optionally, first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel list
Length-width ratio be 2:1.
It is further alternative, first sub-pixel, the second sub-pixel, third sub-pixel and the 4th sub-pixel color be
Any one in red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels.
Second aspect, the application also provide a kind of display panel, including the dot structure.
The third aspect, the application also provide a kind of display device, including the display panel.
Fourth aspect, this application provides the driving method of the display device, the method includes：The first sub- picture
The color of element is the first color, and the color of second sub-pixel is the second color, and the color of the third sub-pixel is third
Color, the color of the 4th sub-pixel is the 4th color；The display device includes control chip, and the control chip includes
First signal processing part and second signal processing unit；
The control chip receives the first display picture data of the display panel, the first display picture data packet
Include the first brightness value of the first color, the second color and third color sub-pixels；Described in first display picture data passes through
First signal processing part of control chip converts to obtain the second display picture data, and second display picture data includes
First color, the second color, third color and the 4th color sub-pixels the second brightness value；The second display picture data warp
The second signal processing unit for crossing the control chip converts to obtain the brightness data of the first pixel sub-pixel, institute
The brightness data for stating the sub-pixel of the first pixel is exported by the control chip to the display panel.
Dot structure, display panel and the display device and driving method, sub-pixel shape that the application provides are designed as directly
Angle triangle, sub-pixel area of the area than RGBW of sub-pixel increase, and can improve aperture opening ratio, data line is reduced, pixel ruler
Very little increase, reduces technology difficulty.It joins end to end with sub-pixels and sub-pixel area is than RGBW sub-pixel area biggers, aobvious
When showing monochromatic oblique line, continuity is more preferable, meanwhile, white sub-pixels dispersed arrangement compared with existing RGBW technologies, is not in
The phenomenon that perpendicular bright fringes so that brightness is more uniform respectively.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the schematic diagram of Real RGB structures；
Fig. 2 is a kind of schematic diagram of the dot structure of RGBW pattern of the prior art；
Fig. 3 is the schematic diagram of the embodiment one of the application dot structure；
Fig. 3 a are to arrange schematic diagram along direction D1 and D2 according to one sub-pixel of the application dot structure embodiment；
Fig. 3 b are the schematic diagrames that the application dot structure embodiment one shows pure color oblique line；
Fig. 4 is according to the schematic diagram of the application dot structure embodiment two and brightness central distribution；
Fig. 5 is the flow chart of one embodiment of the driving method method of the application display device；
Fig. 6 a are the display unit of the first display picture data and brightness central distribution schematic diagram in the application；
Fig. 6 b are the display unit distribution schematic diagrams of the second display picture data in the application；
Fig. 6 c are the pixel of the embodiment of the present application one and brightness central distribution schematic diagram.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, illustrated only in attached drawing and invent relevant part with related.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
It please refers to Fig.3, is the schematic diagram of the embodiment one of the dot structure of the application.As shown in the figure, dot structure 30
The first pixel 31 including repeated arrangement, the first pixel include the first sub-pixel unit according to clockwise direction arrangement
311st, the second sub-pixel unit 312,313 and the 4th sub-pixel unit 314 of third sub-pixel unit.
First sub-pixel unit 311 and third sub-pixel unit 313 include the first sub-pixel A and the second sub-pixel B, and first
Arrangement modes of the sub-pixel A and the second sub-pixel B in the first sub-pixel unit 311 and the arrangement in 313 yuan of third sub-pixel list
Mode is identical, that is to say, that in positions and third sub-pixel unit 313 of the first sub-pixel A in the first sub-pixel unit 311
Position it is identical, the position in positions and third sub-pixel unit 313 of the second sub-pixel B in the first sub-pixel unit 311
It is identical.Second sub-pixel unit 312 and the 4th sub-pixel unit 314 include third sub-pixel C and the 4th sub-pixel D, third
Pixel C and the 4th sub-pixel D is in the arrangement mode of the second sub-pixel unit 312 and in the arrangement side of the 4th sub-pixel unit 314
Formula is identical, that is to say, that in positions and the 4th sub-pixel unit 314 of the third sub-pixel C in the second sub-pixel unit 312
Position is identical, the position phase in positions and the 4th sub-pixel unit 314 of the second sub-pixel D in the second sub-pixel unit 312
Together.
First sub-pixel A, the second sub-pixel B, third sub-pixel B and the 4th sub-pixel D shape be isosceles right angle trigonometry
Shape, and the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D congruences, that is to say, that the first sub-pixel
A, two right-angle sides length of the second sub-pixel B, third sub-pixel C and any one sub-pixel in the 4th sub-pixel D is equal, and
And the right-angle side between different subpixel grows equal, the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub- picture
The right angle length of side of plain D can be denoted as a3.In this way, the first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and
Four sub-pixel units are all the square that the length of side is a3.
In an optional realization method of the present embodiment, the first sub-pixel A, the second sub-pixel B, third sub-pixel C and
4th sub-pixel D is the mutually different sub-pixel of color.That is, the first sub-pixel A, the second sub-pixel B, third sub-pixel
C and the 4th sub-pixel D is four kinds of different colors.In general, the addition in different proportions of these four different colours, can generate
Various colors.Optionally, the color of the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D
One kind in respectively red, blue, green or white.Specifically, the first sub-pixel A, the second sub-pixel B, third sub-pixel C
Color with the 4th sub-pixel can be respectively red, green, blue and white, it is red it is bluish-green it is white, it is turquoise it is red it is white, it is green it is red it is blue white, Lan Hong is green white, bluish-green
The red white, combinations such as Bai Hong is bluish-green, Bai Hong is bluish-green.Certainly it will be understood by those skilled in the art that sub-pixel in practical applications
It can also be other colors, will not enumerate here.
In an optional realization method of the present embodiment, the first sub-pixel A, the second sub-pixel B, third sub-pixel C and
The length a2 of the right angle length of side a3 of 4th sub-pixel D and the sub-pixel of RGBW structures shown in Fig. 2 is equal, compared with Fig. 2, adopts
With the dot structure of the embodiment, sub-pixel quantity reduces 1/2, and data line can reduce 1/2, and coordinate comprising the dot structure
The driving method of display device drive dot structure 30, can realize the PPI identical with ordinary display panel shown in FIG. 1
Display effect.Pixel Dimensions increase, and reduce technology difficulty.
Meanwhile the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D area be such as Fig. 2 institutes
2 times of RGBW structure sub-pixels areas shown, the aperture opening ratio simulation value of the sub-pixel of RGBW structures shown in Fig. 2 are
47.83%, the aperture opening ratio simulation value of the sub-pixel of the present embodiment is 61.23%, therefore the opening of the sub-pixel of the present embodiment
Rate improves 28% compared to the aperture opening ratio of the sub-pixel of RGBW structures shown in Fig. 2.
In the present embodiment, as shown in Figure 3a, it joins end to end on direction D1 or D2 with sub-pixels, then in this direction
Show free of discontinuities during the oblique line of the color, such as the first sub-pixel A shown in Fig. 3 a joins end to end on D2 directions, then is showing
Homochromy in the oblique line on D2 directions with the first sub-pixel A, as shown in 301 in Fig. 3 b, oblique line links up free of discontinuities, is not in
The problem of color border, and the RGBW of the prior art is discontinuous when showing monochrome sub-pixels on D1 and D2 directions, in Fig. 3 b
Shown in 302 and 304, there is interruption.When sub-pixel on direction D1 or D2 when having interval, such as the first son shown in 303 in Fig. 3 b
Pixel A has interruption on D1 directions, due to the present embodiment dot structure sub-pixel area than the RGBW structures shown in Fig. 2
Sub-pixel area it is big, therefore than the continuity in RGBW shown in Fig. 2 when on D1 or D2 directions in display monochromatic straight line
More preferably, while color control is more accurate, and acutance higher can realize preferable display effect.
In the present embodiment, each sub-pixel is staggered arrangement, and the sub-pixel corresponding to white is also staggered arrangement accordingly, adopts
Display device with the present embodiment dot structure is not in the perpendicular bright fringes phenomenon occurred in similar existing RGBW technologies, from
And display brightness is more uniform.
Embodiment two
It please refers to Fig.4, is the schematic diagram of another embodiment of the application dot structure.
As shown in figure 4, dot structure 40 includes the first pixel 41 of repeated arrangement, the first pixel is included according to up time
The first sub-pixel unit 411, the second sub-pixel unit 412,413 and the 4th sub-pixel of third sub-pixel unit of needle direction arrangement
Unit 414.
First sub-pixel unit 411 and third sub-pixel unit 413 include the first sub-pixel A and the second sub-pixel B, and first
Arrangement modes of the sub-pixel A and the second sub-pixel B in the first sub-pixel unit 411 and the arrangement in 413 yuan of third sub-pixel list
Mode is identical, that is to say, that in positions and third sub-pixel unit 413 of the first sub-pixel A in the first sub-pixel unit 411
Position it is identical, the position in positions and third sub-pixel unit 413 of the second sub-pixel B in the first sub-pixel unit 411
It is identical.Second sub-pixel unit 412 and the 4th sub-pixel unit 414 include third sub-pixel C and the 4th sub-pixel D, third
Pixel C and the 4th sub-pixel D is in the arrangement mode of the second sub-pixel unit 412 and in the arrangement side of the 4th sub-pixel unit 314
Formula is identical, that is to say, that in positions and the 4th sub-pixel unit 414 of the third sub-pixel C in the second sub-pixel unit 312
Position is identical, the position phase in positions and the 4th sub-pixel unit 414 of the second sub-pixel D in the second sub-pixel unit 312
Together.
First sub-pixel A, the second sub-pixel B, third sub-pixel B and the 4th sub-pixel D shape be right-angle side a length of 2:1
Right angled triangle, and the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D congruence.That is,
First sub-pixel A, the second sub-pixel B, third sub-pixel C and any one sub-pixel in the 4th sub-pixel D two right angles
The ratio between length of side is 2:1, and the longer right-angle side length between different subpixel is equal, and shorter right-angle side length is equal.First
Sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D two right angle length of sides can be denoted as a4 and b4 respectively,
Then the ratio between a4 and b4 are 2:1.In this way, the first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub- picture
Plain unit is that two length of sides are 2:1 rectangle, and the first sub-pixel unit, the second sub-pixel unit, third sub-pixel unit
With the 4th sub-pixel unit congruence.
Dot structure provided in this embodiment and the dot structure of embodiment one the difference lies in the first sub-pixel A,
Second sub-pixel B, third sub-pixel C and the respective two right angle length of sides of the 4th sub-pixel D are unequal, and respective two right angles
The ratio of the length of side is 2:1.
In an optional realization method of the present embodiment, the first sub-pixel A, the second sub-pixel B, third sub-pixel C and
4th sub-pixel D is the mutually different sub-pixel of color.That is, the first sub-pixel A, the second sub-pixel B, third sub-pixel
C and the 4th sub-pixel D is four kinds of different colors.In general, the addition in different proportions of these four different colours, can generate
Various colors.Optionally, the color of the first sub-pixel A, the second sub-pixel B, third sub-pixel C and the 4th sub-pixel D
One kind in respectively red, blue, green or white.Specifically, the first sub-pixel A, the second sub-pixel B, third sub-pixel C
Color with the 4th sub-pixel can be respectively red, green, blue and white, it is red it is bluish-green it is white, it is turquoise it is red it is white, it is green it is red it is blue white, Lan Hong is green white, bluish-green
The red white, combinations such as Bai Hong is bluish-green, Bai Hong is bluish-green.Certainly it will be understood by those skilled in the art that sub-pixel in practical applications
It can also be other colors, will not enumerate here.
In an optional realization method of the present embodiment, the first sub-pixel A, the second sub-pixel B, third sub-pixel C and
The length a2 of the length a4 of the long right-angle side of 4th sub-pixel D and the sub-pixel of RGBW structures shown in Fig. 2 is equal, with Fig. 2 phases
Than using the dot structure of the embodiment, sub-pixel quantity reduces 1/4, and data line can reduce 1/4, and coordinate comprising the picture
The driving method of the display device of plain structure drives dot structure 40, can realize and the ordinary display panel phase shown in Fig. 1
The display effect of same PPI.Pixel Dimensions increase, and reduce technology difficulty.
In the present embodiment, as shown in figure 4, joining end to end on direction D3 or D4 with sub-pixels, then in this direction
Show free of discontinuities during the oblique line of the color, such as the first sub-pixel A shown in Fig. 4 joins end to end on D3 directions, then is showing
Homochromy in the oblique line on D3 directions with the first sub-pixel A, oblique line links up free of discontinuities, the problem of being not in color border,
And the RGBW of the prior art is discontinuous when showing monochrome sub-pixels on D3 and D4 directions, there is interruption.When sub-pixel is in direction D3
Or when having interval on D4, due to the present embodiment dot structure sub-pixel area than RGBW structures shown in Fig. 2 sub-pixel
Area it is big therefore more preferable than the continuity in RGBW shown in Fig. 2 when on D3 or D4 directions in display monochromatic straight line, simultaneously
Color control is more accurate, and acutance higher can realize preferable display effect.
Based on the dot structure of above-mentioned offer, the application also provides a kind of display panel, which includes the application
The dot structure of offer.
Based on the display panel of above-mentioned offer, the application also provides a kind of display device.The display device includes above-mentioned
Display panel.The display device either liquid crystal (Liquid Crystal Display, LCD) display device or
Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED display.It is any of the above-described for LCD
Dot structure described in embodiment can be used as configuration thin film transistor (TFT) (Thin Film Transistor, TFT) and coloured silk
The foundation of film.For OLED, the pel array in array substrate described in any of the above-described embodiment can be used as and match
Put Organic Light Emitting Diode size and the foundation of distribution.
Present invention also provides a kind of driving method of display device, applied to the display dress in above-mentioned any embodiment
It puts.In the display device of above-described embodiment, the first sub-pixel A is the first color, and the color of the second sub-pixel B is the second face
Color, the color of third sub-pixel C is third color, and the color of the 4th sub-pixel D is the 4th color.Display device further includes control
Chip.Chip is controlled to include the first signal processing part and second signal processing unit.Chip is controlled to receive the display picture of display panel
Face data.Display picture data can be the brightness data of the red (R) for showing picture, green (G) and blue (B), i.e. R, G, B
The brightness data of sub-pixel.
Fig. 5 shows the flow chart of display-apparatus driving method, and step 501, control chip receives the first of display panel
Display picture data, the first display picture data include the first brightness of the first color, the second color and third color sub-pixels
Value；Step 502, the first display picture data converts to obtain the second display frame numbers by the first signal processing part of control chip
According to the second display picture data includes the second brightness of the first color, the second color, third color and the 4th color sub-pixels
Value；Step 503, the second display picture data converts to obtain the first pixel neutron by the second signal processing unit of control chip
The brightness data of pixel；The brightness data of the sub-pixel of first pixel of step 504 is exported by control chip to display panel.
To the display device of embodiment one, it is described in detail in above-mentioned driving method and controls with reference to Fig. 6 a, Fig. 6 b, Fig. 6 c
The data correspondence of chip conversion method.
Fig. 6 a are the schematic diagrames of the display device of existing Real RGB rectangle pixel arrangements.
In this example it is shown that picture data can use formula (1) to represent：
Wherein, X '11、…、X’1(n-2)、…、X’m1、…、X’m(n-2)Sub-pixel for the first color in display picture data
The first brightness value, Y '12、…、Y’1(n-1)、…、Y’m2、…、 Ym(n-1)Sub-pixel for the second color in display picture data
The first brightness value, Z '13、…、 Z’1n、…、Z’m3、…、Z’mnFirst for the sub-pixel of third color in display picture data
Brightness value, m, n are respectively the line number and columns of display picture data.
As shown in Figure 6 a, the display picture data of formula (1) can be represented by the array of sub-pixels shown in 61.Sub-pixel battle array
Row 61 can include multiple display units, such as 611,612,613,614,615,616,617,618 and 619 shown in Fig. 6 a
Deng.Each display unit includes a brightness center, display unit 611,612,613,614,615,616,617,618 and 619
Brightness center be respectively 6110,6120,6130,6140,6150,6160,6170,6180,6190 etc..
It can will be in the brightness center translation shown in Fig. 6 a to dot structure 30 shown in Fig. 3, you can obtain the present embodiment
Brightness central distribution figure, as fig. 6 c.As can be seen that brightness center is arranged on first on data line direction from Fig. 6 c
The geometric center of pixel, the midpoint of any two the first pixel geometric center line adjacent in scan line, in data
The midpoint of the geometric center line of upper adjacent the first pixel of any two, in the first adjacent pixel point geometry of any two
The midpoint of heart line is assumed to be the brightness center of the second pixel, then, the brightness center of the present embodiment also includes in scan line
The midpoint of two adjacent second pixel brightness lines of centres.In 6c, each brightness center can determine one
Display unit.When carrying out sub-pixel rendering in the present embodiment, display unit can be seen as a virtual pixel, and
Non- practical physical picture element point.By sharing physical picture element point between multiple display units, the display higher than physics PPI can be realized
PPI。
In the present embodiment, as fig. 6 c, first pixel 631,632,633,634 outlined with solid line etc., first
The geometric center of pixel 631,632,633,634 has a brightness center, and respectively 6310,6320,6330,6340；First pixel
The second sub-pixel unit and third sub-pixel unit of point 631 and 632 the first pixel unit and the 4th sub-pixel unit are formed
The second virtual pixel 641, the third sub-pixel unit of the first pixel 631 and the 4th sub-pixel unit and the first of 633
Pixel unit and the second sub-pixel unit form the second virtual pixel 642, the third sub-pixel unit of the first pixel 632
The second virtual pixel 643 is formed with the 4th sub-pixel unit and 634 the first pixel unit and the second sub-pixel unit,
The second sub-pixel unit and third sub-pixel unit of first pixel 633 and 634 the first pixel unit and the 4th sub-pixel
Unit forms the second virtual pixel 644；It is distributed with brightness center in the geometric center of second pixel, respectively 6410,
6420、6430、6440.Second pixel is included along the 4th sub-pixel unit of arranged clockwise, third sub-pixel unit, second
Sub-pixel unit and the first sub-pixel unit.The third sub-pixel unit of second pixel 642 and the second sub-pixel unit and 643
The first sub-pixel unit and the 4th sub-pixel unit form the first virtual pixel 651, the first virtual pixel it is several
What center is located on the midpoint of 6420 and 6430 lines, is also a brightness center 6510.
Brightness center 6310,6410,6320,6420,6510,6430,6330,6440 and 6340 in Fig. 6 c are right respectively
Answer the respective brightness center 6110 in display unit 611,612,613,614,615,616,617,618 and 619 in Fig. 6 a,
6120、6130、6140、6150、 6160、6170、6180、6190。
In Fig. 6 a, the of each sub-pixel of display unit 611,612,613,614,615,616,617,618 and 619
One brightness value may be constructed such as the matrix of formula (2)
Wherein, k, l are respectively the sub-pixel of the first color in display unit 611 in array of sub-pixels 61
Line number and columns, X 'kl、Y’k(l+1)、Z’k(l+2)The sub-pixel of first color respectively in display unit 611, the second color
Sub-pixel, third color sub-pixel the first brightness value；X’k(l+3)、Y’k(l+4)、Z’k(l+5)；Respectively in display unit 612
The sub-pixel of first color, the sub-pixel of the second color, third color sub-pixel the first brightness value；X’k(l+6)、 Y
’k(l+7)、Z’k(l+8)The sub-pixel of first color respectively in display unit 613, the sub-pixel of the second color, third color son
First brightness value of pixel；X’(k+1)l、Y’(k+1)(l+1)、 Z’(k+1)(l+2)The sub- picture of first color respectively in display unit 614
Element, the sub-pixel of the second color, third color sub-pixel the first brightness value；X’(k+1)(l+3)、Y’(k+1)(l+4)、Z’(k+1)(l+5)
The sub-pixel of first color respectively in display unit 615, the sub-pixel of the second color, third color sub-pixel it is first bright
Angle value；X’(k+1)(l+6)、Y’(k+1)(l+7)、Z’(k+1)(l+8)The sub-pixel of first color, the second color respectively in display unit 616
Sub-pixel, third color sub-pixel the first brightness value；X’(k+2)l、Y’(k+2)(l+1)、Z’(k+2)(l+2)Respectively display unit
The sub-pixel of first color in 617, the sub-pixel of the second color, third color sub-pixel the first brightness value；X
’(k+2)(l+3)、Y’(k+2)(l+4)、Z’(k+2)(l+5)The sub- picture of the sub-pixel of first color respectively in display unit 618, the second color
First brightness value of plain, third color sub-pixel；X’(k+2)(l+6)、Y’(k+2)(l+7)、Z’(k+2)(l+8)Respectively display unit 619
In the sub-pixel of the first color, the sub-pixel of the second color, third color sub-pixel the first brightness value.
Formula (2) obtains the second display picture data, as shown in Figure 6 b, is scheming after controlling the first processing unit of chip
Display unit 621,622,623,624,625,626,627,628 and 629 in 6b distinguishes the display unit in corresponding diagram 6a
611st, the display unit 621 in 612,613,614,615,616,617,618 and 619, Fig. 6 b, 622,623,624,625,
626th, in 627,628 and 629 shown in the brightness value such as formula (3) of each sub-pixel：
In formula (3), wherein, k, l are respectively the sub- picture of the first color in display unit 621 in the second display picture data
Line number and columns of the element in array of sub-pixels 62, Xkl、Yk(l+1)、 Zk(l+2)、Wk(l+3)First respectively in display unit 621
The sub-pixel of color, the sub-pixel of the second color, the sub-pixel of third color, the 4th color sub-pixel the second brightness value；
Xk(l+4)、Yk(l+5)、Zk(l+6)、Wk(l+7)The sub- picture of first color in the display unit 622 of respectively the second display picture data
Second brightness value of element, the sub-pixel of the second color, the sub-pixel of third color, the 4th sub-pixel；Xk(l+8)、Yk(l+9)、
Zk(l+10)、Wk(l+11)The sub-pixel of first color in display unit 623 in respectively the second display picture data, the second color
Sub-pixel, the sub-pixel of third color, the 4th color sub-pixels the second brightness value；X(k+1)l、Y(k+1)(l+1)、 Z(k+1)(l+2)、
W(k+1)(l+3)The sub- picture of the sub-pixel of first color in display unit 624 in respectively the second display picture data, the second color
Second brightness value of element, the sub-pixel of third color, the 4th sub-pixel；X(k+1)(l+4)、Y(k+1)(l+5)、Z(k+1)(l+6)、W(k+1)(l+7)
The sub-pixel of first color, the sub-pixel of the second color, third face in display unit 625 in respectively the second display picture data
Second brightness value of the sub-pixel of color, the 4th sub-pixel；X(k+1)(l+8)、Y(k+1)(l+9)、 Z(k+1)(l+10)、W(k+1)(l+11)Respectively
The sub-pixel of first color in display unit 626 in second display picture data, the sub-pixel of the second color, third color son
Second brightness value of pixel, the 4th sub-pixel；X(k+2)l、Y(k+2)(l+1)、Z(k+2)(l+2)、W(k+2)(l+3)Respectively second display picture
The sub-pixel of first color, the sub-pixel of the second color, the sub-pixel of third color, the 4th face in display unit 627 in data
Second brightness value of the sub-pixel of color；X(k+2)(l+4)、Y(k+2)(l+5)、Z(k+2)(l+6)、W(k+2)(l+7)Respectively second display frame numbers
According to the sub-pixel of the first color, the sub-pixel of the second color, the sub-pixel of third color, the 4th sub- picture in middle display unit 628
Second brightness value of element；X(k+2)(l+8)、Y(k+2)(l+9)、Z(k+2)(l+10)、W(k+2)(l+11)It is shown in respectively the second display picture data
Show the sub-pixel of the first color in unit 629, the sub-pixel of the second color, the sub-pixel of third color, the 4th sub-pixel
Two brightness values.
Then X 'ij、Y’ij、Z’ijWith Xij、Yij、Zij、KijMeet following relational expression：
W’i(j+3)=min (X 'ij, Y 'i(j+1), Z 'i(j+2))； (4)
Wi(j+3)=255 × (W 'i(j+3)/255)a； (5)
Xij=X 'ij-Wi(j+3)； (6)
Yi(j+1)=Y 'i(j+1)-Wi(j+3)； (7)
Zi(j+2)=Z 'i(j+2)-Ki(j+3)； (8)
In formula, k≤i≤k+2；l≤j≤l+8；
Second display picture data obtains what can be shown by display panel using the second signal processing unit of control chip
The brightness value of each sub-pixel of first pixel.
It is assumed that the color of the first sub-pixel is the 4th color, the color of the second sub-pixel is the first color, third sub-pixel
Color for the second color, the color of the 4th sub-pixel is third color, then, the brightness of each sub-pixel of the first pixel is as follows
It is shown:
The brightness value of first sub-pixel of the first sub-pixel unit is
P11=α × (Wk(l+3)+Wk(l+7)+W(K+1)(l+3)+W(k+1)(l+7))； (9)
The brightness value of second sub-pixel of the first sub-pixel unit is
P21=α × (Xkl+Xk(l+4)+X(k+1)l+X(k+1)(l+4))； (10)
The brightness value of the third sub-pixel of second sub-pixel unit is
P31=α × (Yk(l+5)+Yk(j+9)+Y(k+1)(l+5)+Y(k+1)(l+9))； (11)
The brightness value of 4th sub-pixel of the second sub-pixel unit is
P41=α × (Zk(l+6)+Zk(l+10)+Z(k+1)(l+6)+Z(k+1)(l+10))； (12)
The brightness value of second sub-pixel of third sub-pixel unit is
P22=α × (X(k+2)(l+4)+X(i+2)(l+8)+X(k+1)(l+4)+X(k+1)(j+8))； (13)
The brightness value of first sub-pixel of the sub- display unit of third is
P12=α × (W(k+2)(l+8)+W(k+2)(l+11)+W(k+1)(l+8)+W(k+1)(l+11))； (14)
The brightness value of 4th sub-pixel of the 4th sub- display unit is
P42=α × (Z(k+1)(l+2)+Z(k+1)(l+6)+Z(k+2)(l+2)+Z(k+2)(l+6))； (15)
The brightness value of the third sub-pixel of the 4th sub- display unit is
P32=α × (Y(k+1)(l+1)+Y(k+1)(l+5)+Y(k+2)(l+1)+Y(k+2)(l+5))； (16)
Wherein, 0<α<1.
To the display device of embodiment two, illustrated with reference to Fig. 4, Fig. 6 a and Fig. 6 b, it can will be shown in Fig. 6 a
In brightness center translation to dot structure 40 shown in Fig. 4, you can the brightness central distribution figure of embodiment two is obtained, such as Fig. 4 institutes
Show.Figure 4, it is seen that brightness center is arranged on the geometric center of the first pixel on data line direction, in data line
The midpoint of upper adjacent any two the first pixel geometric center line, in 40, each brightness center can determine
Go out a display unit.When carrying out sub-pixel rendering in the present embodiment, display unit can be seen as a virtual picture
The physical picture element point of vegetarian refreshments rather than reality.By sharing physical picture element point between multiple display units, can realize higher than physics
The display PPI of PPI.
In the present embodiment, as shown in figure 4, the first pixel 421 outlined with solid line, 422, etc., in the first pixel
421st, 422 geometric center has a brightness center, and respectively 4210,4220；The third sub-pixel unit of first pixel 421 and
The second pixel 431 of 4th sub-pixel unit and 422 the first pixel unit and the second sub-pixel unit composition virtually, second
The geometric center of pixel is a brightness center 4310, and the second pixel 431 includes the 4th sub-pixel along arranged clockwise
Unit, third sub-pixel unit, the second sub-pixel unit and the first sub-pixel unit.
The display unit 611,614,617 that brightness center 4210,4310,4220 in Fig. 4 is distinguished in corresponding diagram 6a is respective
Brightness center 6110,6140,6170.
In Fig. 6 a, the first brightness value of each sub-pixel of display unit 611,614,617 may be constructed such as formula (17)
Matrix
Wherein, k, l be respectively line number of the sub-pixel of the first color in display unit 611 in array of sub-pixels 61 and
Columns, X 'kl、Y’k(l+1)、Z’k(l+2)The sub-pixel of first color, the sub-pixel of the second color, respectively in display unit 611
First brightness value of the sub-pixel of three colors；X’(k+1)l、Y’(k+1)(l+1)、Z’(k+1)(l+2)Respectively the first face in display unit 614
The sub-pixel of color, the sub-pixel of the second color, third color sub-pixel the first brightness value；X’(k+2)l、Y’(k+2)(l+1)、
Z’(k+2)(l+2)The sub-pixel of first color respectively in display unit 617, the sub-pixel of the second color, third color sub- picture
First brightness value of element.
Formula (17) obtains the second display picture data, as shown in Figure 6 b, is scheming after controlling the first processing unit of chip
Display unit 621,624,627 in 6b distinguishes the display list in display unit 611 in corresponding diagram 6a, 614,617, Fig. 6 b
In member 621,624,627 shown in the brightness value such as formula (18) of each sub-pixel：
In formula (18), k, l are respectively the sub-pixel of the first color in display unit 621 in the second display picture data
Line number and columns in array of sub-pixels 62, Xkl、Yk(l+1)、Zk(l+2)、 Wk(l+3)The first face respectively in display unit 621
The sub-pixel of color, the sub-pixel of the second color, the sub-pixel of third color, the 4th color sub-pixel the second brightness value；
X(k+1)l、 Y(k+1)(l+1)、Z(k+1)(l+2)、W(k+1)(l+3)First face in display unit 624 in respectively the second display picture data
The sub-pixel of color, the sub-pixel of the second color, the sub-pixel of third color, the 4th sub-pixel the second brightness value；X(k+2)l、
Y(k+2)(l+1)、Z(k+2)(l+2)、W(k+2)(l+3)In respectively the second display picture data in display unit 627 first color sub- picture
Element, the sub-pixel of the second color, third color sub-pixel the second brightness value；
Then X 'ij、Y’ij、Z’ijWith Xij、Yij、Zij、KijMeet following relational expression：
W’i(j+3)=min (X 'ij, Y 'i(j+1), Z 'i(j+2))； (19)
Wi(j+3)=255 × (W 'i(j+3)/255)a； (20)
Xij=X 'ij-Wi(j+3)； (21)
Yi(j+1)=Y 'i(j+1)-Wi(j+3)； (22)
Zi(j+2)=Z 'i(j+2)-Ki(j+3)； (23)
Wherein, k≤i≤k+2, and i is integer.J is equal to l.
Second display picture data obtains each of the second pixel 431 using the second signal processing unit of control chip
The brightness value of sub-pixel.
It is assumed that the color of the first sub-pixel is the 4th color, the color of the second sub-pixel is the first color, third sub-pixel
Color for the second color, the color of the 4th sub-pixel is third color, then, the brightness of each sub-pixel of the second pixel 431
It is worth as follows:
The brightness value of the third sub-pixel of 4th sub-pixel unit is
P31=β × (Yk(l+1)+Y(k+1)(l+1))； (24)
The brightness value of 4th sub-pixel of the 4th sub-pixel unit is
P41=β × (Zk(l+2)+Z(k+1)(l+2)) (25)
The brightness value of first sub-pixel of third sub-pixel unit is
P11=β × (Wk(l+3)+W(k+1)(l+3))； (26)
The brightness value of second sub-pixel of third sub-pixel unit is
P21=β × (Xkl+X(k+1)l)； (27)
The brightness value of the third sub-pixel of second sub-pixel unit is
P32=β × (Y(k+1)(l+1)+Y(k+2)(l+1))； (28)
The brightness of 4th sub-pixel of the second sub-pixel unit is
P42=β × (Z(k+1)(l+2)+Z(k+2)(l+2))； (29)
The brightness value of first sub-pixel of the first sub-pixel unit is
P12=β × (W(k+2)(l+3)+W(k+1)(l+3))； (30)
The brightness value of second sub-pixel of the first sub-pixel unit is
P22=β × (X(k+2)l+X(k+1)l)； (31)
Wherein, 0<β<1.
The preferred embodiment and the explanation to institute's application technology principle that above description is only the application.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the specific combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature arbitrary
The other technical solutions for combining and being formed.Such as features described above has similar functions with (but not limited to) disclosed herein
The technical solution that technical characteristic is replaced mutually and formed.
Claims (10)
1. a kind of dot structure, including multiple first pixels, first pixel is 2 × 2 sub-pixel unit matrixes, described
First pixel includes the first sub-pixel unit, the second sub-pixel unit, third sub-pixel list according to clockwise direction arrangement
Member and the 4th sub-pixel unit；
First sub-pixel unit, the second sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit are shape
Identical rectangle,
First sub-pixel unit and the third sub-pixel unit include the first sub-pixel and the second sub-pixel, and described the
The arrangement mode of first sub-pixel and second sub-pixel in one sub-pixel unit and the third sub-pixel unit
All same, the position in position and the third sub-pixel unit of first sub-pixel in first sub-pixel unit
It is identical, the position phase in position and the third sub-pixel unit of second sub-pixel in first sub-pixel unit
Together；First sub-pixel and second sub-pixel are right angled triangle；
Second sub-pixel unit and the 4th sub-pixel unit include third sub-pixel and the 4th sub-pixel, and described the
Two sub-pixel units and the third sub-pixel and the arrangement mode of the 4th sub-pixel in the 4th sub-pixel unit
All same, the position in position and the 4th sub-pixel unit of the third sub-pixel in second sub-pixel unit
It is identical, the position phase in position and the 4th sub-pixel unit of second sub-pixel in second sub-pixel unit
Together；The third sub-pixel and the 4th sub-pixel are right angled triangle；
First sub-pixel, the second sub-pixel, the color of third picture and the 4th sub-pixel are different.
2. dot structure according to claim 1, which is characterized in that the rectangle is square.
3. dot structure according to claim 1, which is characterized in that the length-width ratio of the rectangle is 2:1.
4. dot structure according to claim 1, which is characterized in that first sub-pixel, the second sub-pixel, third
Pixel and the color of the 4th sub-pixel are arbitrary in red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels
It is a kind of.
5. a kind of display panel, which is characterized in that including dot structure according to any one of claims 1 to 4.
6. a kind of display device, including display panel as claimed in claim 5.
7. display device according to claim 6, which is characterized in that the display device is filled for ORGANIC ELECTROLUMINESCENCE DISPLAYS
It puts or liquid crystal display device.
8. a kind of driving method of display device, applied to the display device described in any one of claim 6 to 7, feature
It is, the color of first sub-pixel is the first color, and the color of second sub-pixel is the second color, third
The color of pixel is third color, and the color of the 4th sub-pixel is the 4th color；The display device includes control chip,
The control chip includes the first signal processing part and second signal processing unit；
The control chip receives the first display picture data of the display panel, and first display picture data includes the
First brightness value of one color, the second color and third color sub-pixels；First display picture data passes through the control
First signal processing part of chip converts to obtain the second display picture data, and second display picture data includes first
Color, the second color, third color and the 4th color sub-pixels the second brightness value；Second display picture data passes through institute
The second signal processing unit for stating control chip converts to obtain the brightness data of the first pixel sub-pixel, and described the
The brightness data of the sub-pixel of one pixel is exported by the control chip to the display panel, wherein
In first display picture data, the first brightness value of the first color sub-pixels is X ', the second color sub-pixels
First brightness value is Y ', and the first brightness value of third color sub-pixels is Z ', and minimum numerical value is K ' in brightness value X ', Y ', Z '；
In arbitrary second display picture data, the second brightness value of the first color sub-pixels is X, the second color sub-pixels
Second brightness value is Y, and the second brightness value of third color sub-pixels is Z, and the second brightness value of the 4th color sub-pixels is K；
Wherein, X ', Y ', Z ' and X, Y, Z, K, K ' meet following relational expression：
K '=min (X ', Y ', Z ')；
K=255 × (K '/255) a；
X=X '-K；
Y=Y '-K；
Z=Z '-K；
Wherein, a>1.
9. the driving method of display device according to claim 8, which is characterized in that when the first sub-pixel unit, second
When sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit is squares, the conversion of the second signal processing unit
Method includes：
In arbitrary first pixel, the brightness value of the first sub-pixel is P1, and the brightness value of the second sub-pixel is P2, and third is sub
The brightness value of pixel is P3, and the brightness value of the 4th sub-pixel is P4,
Wherein, X, Y, Z, K and P1, P2, P3, P4 meet following relational expression：
P1=4 α X；
P2=4 α Y；
P3=4 α Z；
P4=4 α K；
Wherein, α is more than zero, and less than 1.
10. the driving method of display device according to claim 8, which is characterized in that when the first sub-pixel unit, second
It is 2 that sub-pixel unit, third sub-pixel unit and the 4th sub-pixel unit, which are the length of side,:During 1 rectangle, the second signal processing
The conversion method in portion includes：
In arbitrary first pixel, the brightness value of the first sub-pixel is P1, and the brightness value of the second sub-pixel is P2, and third is sub
The brightness value of pixel is P3, and the brightness value of the 4th sub-pixel is P4,
Wherein, X, Y, Z, K and P1, P2, P3, P4 meet following relational expression：
P1=2 β X；
P2=2 β Y；
P3=2 β Z；
P4=2 β K；
Wherein, β is more than zero, and less than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540874.0A CN105096887B (en) | 2015-08-28 | 2015-08-28 | A kind of dot structure, display panel, display device and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540874.0A CN105096887B (en) | 2015-08-28 | 2015-08-28 | A kind of dot structure, display panel, display device and driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105096887A CN105096887A (en) | 2015-11-25 |
| CN105096887B true CN105096887B (en) | 2018-06-12 |
Family
ID=54577179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510540874.0A Active CN105096887B (en) | 2015-08-28 | 2015-08-28 | A kind of dot structure, display panel, display device and driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105096887B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355643B (en) * | 2015-10-10 | 2018-07-17 | 重庆京东方光电科技有限公司 | A kind of dot structure, its production method, display panel and display device |
| CN109147644B (en) | 2018-10-12 | 2020-08-07 | 京东方科技集团股份有限公司 | Display panel and display method |
| CN111640394B (en) * | 2019-03-01 | 2021-10-19 | 上海和辉光电股份有限公司 | Display driving method of display panel and display device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI227340B (en) * | 2002-02-25 | 2005-02-01 | Himax Tech Inc | Color filter and liquid crystal display |
| ES2379095T3 (en) * | 2005-01-24 | 2012-04-20 | Koninklijke Philips Electronics N.V. | Control a screen comprising an RGBW color space |
| KR20070081924A (en) * | 2006-02-14 | 2007-08-20 | 삼성전자주식회사 | Display apparatus |
| JP5190731B2 (en) * | 2007-10-23 | 2013-04-24 | Ｎｌｔテクノロジー株式会社 | Image display device, image display method used in the image display device, and liquid crystal display device |
| CN104036715B (en) * | 2014-06-07 | 2016-06-01 | 深圳市华星光电技术有限公司 | Display panel and display unit |
-
2015
- 2015-08-28 CN CN201510540874.0A patent/CN105096887B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105096887A (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105911785B (en) | A kind of display panel and display device | |
| TWI614739B (en) | Display apparatus | |
| US10325540B2 (en) | Pixel structure, display panel and pixel compensation method therefor | |
| CN109638035B (en) | Pixel arrangement structure and organic light emitting diode display device | |
| CN105185247B (en) | Display panel, display device and display methods | |
| US20160293084A1 (en) | Pixel structure, method for driving pixel structure and display apparatus | |
| CN104299523A (en) | Pixel structure, display substrate and display device | |
| WO2016192367A1 (en) | Array substrate and display apparatus | |
| CN106023820B (en) | A kind of pixel arrangement structure, special-shaped display panel and display device | |
| WO2016033971A1 (en) | Pixel structure and display device | |
| US9829754B2 (en) | Pixel array, display panel, and display device | |
| TWI539206B (en) | Display device | |
| US10636862B2 (en) | Display panel and device | |
| WO2015070621A1 (en) | Display panel, display method thereof, and display device | |
| CN105185258B (en) | Picture element matrix, display device and display methods | |
| US20160057396A1 (en) | Image device with improved chrominance quality | |
| TW201541169A (en) | Pixel array | |
| US9589494B2 (en) | Display device | |
| CN105096887B (en) | A kind of dot structure, display panel, display device and driving method | |
| CN106094334A (en) | Display floater and display device | |
| US20160217764A1 (en) | Display panel and display driver | |
| CN105185268B (en) | Array base palte, display device and sub-pixel rendering intent | |
| CN105185270A (en) | Display panel, display device and display method | |
| CN105093631B (en) | Dot structure, array substrate, display device and sub-pixel rendering intent | |
| CN105096805B (en) | Display device and sub-pixel rendering intent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |