CN106097956B - Display device and method of driving the same - Google Patents
Display device and method of driving the same Download PDFInfo
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- CN106097956B CN106097956B CN201610697877.XA CN201610697877A CN106097956B CN 106097956 B CN106097956 B CN 106097956B CN 201610697877 A CN201610697877 A CN 201610697877A CN 106097956 B CN106097956 B CN 106097956B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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Abstract
The invention discloses a display device, which comprises a plurality of rows of display units and a driving circuit. Each display unit comprises a first pixel group and a second pixel group. The first pixel group comprises a plurality of first color pixels, a plurality of second color pixels and at least one fourth color pixel. In the first pixel group, the number of first color pixels is greater than the number of second color pixels, and the number of second color pixels is greater than the number of fourth color pixels. The second pixel group is arranged adjacent to the first pixel group. The second pixel group comprises a plurality of second color pixels, a plurality of third color pixels and at least one fourth color pixel. In the second pixel group, the number of third color pixels is greater than the number of second color pixels, and the number of second color pixels is greater than or equal to the number of fourth color pixels of the second pixel group.
Description
Technical field
The present invention especially has a kind of display device that can save electric quantity consumption about a kind of display device.
Background technique
Since the function of electronic product is more and more and volume is smaller and smaller, the application field domain of electronic product is also with increasing
Add, therefore the display device on electronic product also often needs to adapt to different use environments.For example, it is applied to wisdom wrist-watch
Or the display device of mobile phone is the movement probably due to user, and operate in the environment of outdoor strong light.In the case, intelligence
Display device on intelligent wrist-watch or mobile phone may need to generate stronger brightness, to ensure that user can see clearly under strong light
Chu shows the content of picture.
Fig. 1 is the schematic diagram of the display device 10 of the prior art.Display device 10 includes multiple display units 100, and every
A display unit 100 contains three red sub-pixel 100R, three green sub-pixels 100G and three blue subpixels
100B.Under the environment with strong light, display unit 100 is needed for being driven to display corresponding color other than sub-pixel, also
The other each sub-pixels of additional driving may be needed to promote whole brightness.Since display unit 100 must drive simultaneously
Three sub-pixels could generate white light to promote brightness, therefore often need to expend biggish electric energy.In order to save electric energy, also have existing
There is technology to add in display unit 100 and other comparable white sub-pixels of color pixel quantity.However, due to display unit
The quantity of each sub-pixels is suitable in 100, causes in practical operation, often results in that picture whitens, power consumption is excessive and color
Not elastic enough the problem of combination.In view of this, display device how to be allowed to can be applied to different use environments, while being also avoided that
Picture whitens and saves electric energy loss, just becomes problem to be solved.
Summary of the invention
One embodiment of the invention provides a kind of display device, and display device includes the first display unit of multirow and driving electricity
Road.Every the first display unit of a line include multiple first display units, and every one first display unit include the first pixel group and
Second pixel group.Driving circuit drives the first display unit of multirow.
Every one first pixel group includes according to (2m- 1) mode of x 3 arranges multiple first color pixels, multiple second colours
Element and at least one the 4th color pixel, m are the positive integer greater than 1.The quantity of first color pixel of the first pixel group is greater than the first picture
The quantity of second color pixel of the quantity and the first pixel group of the second color pixel of element group is greater than the 4th colour of the first pixel group
The quantity of element.Second pixel group and the first pixel group arranged adjacent, every one second pixel group include according to (2m- 1) mode of x 3 is arranged
Multiple second color pixels, multiple third color pixels (indigo plant) and at least one the 4th color pixel of column.The third colour of second pixel group
Element quantity be greater than the second pixel group the second color pixel quantity and the second pixel group the second color pixel quantity be greater than or
Equal to the quantity of the 4th color pixel of the second pixel group.
In every one first display unit, the third color of the quantity of the first color pixel of the first pixel group and the second pixel group
The quantity of pixel is identical.In every one first display unit, at least one the 4th color pixel and the second pixel group of the first pixel group
At least one the 4th color pixel it is non-conterminous.In every one first display unit, at least one the 4th color pixel position of the first pixel group
In the center row of the first pixel group and at least one the 4th color pixel of the second pixel group is located at the center row of the second pixel group.
Another embodiment of the present invention provides a kind of method for driving display device, and display device is shown comprising multirow first
Unit, every the first display unit of a line includes multiple first display units, and every one first display unit includes the first pixel group
And the second pixel group.Every one first pixel group includes according to (2m- 1) mode of x 3 arranges multiple first color pixels, multiple second
Color pixel and at least one the 4th color pixel, m are the positive integer greater than 1.The quantity of first color pixel of the first pixel group is greater than the
The quantity of second color pixel of the quantity of the second color pixel of one pixel group and the first pixel group is greater than the first pixel group at least
The quantity of one the 4th color pixel.Second pixel group and the first pixel group arranged adjacent, every one second pixel group include according to (2m-1)x
Multiple second color pixels, multiple third color pixels and at least one the 4th color pixel that 3 mode arranges.The third of second pixel group
The quantity of color pixel is greater than the quantity of the second color pixel of the second pixel group and the quantity of the second color pixel of the second pixel group is big
In or equal to the second pixel group at least one the 4th color pixel quantity.
Method includes to be converted to the three colour brightness data groups for corresponding to the first display unit corresponding to the first display unit
Four colour brightness data groups, according to the first colour brightness value of four colour brightness data groups drive the first pixel group the first color pixel,
According to the second colour brightness value of four colour brightness data groups drive the first pixel group the second color pixel and the second pixel group second
Color pixel drives the third color pixel of the second pixel group according to the third colour brightness value of four colour brightness data groups, and according to four colors
4th colour brightness value of brightness data group drive the first pixel group at least one the 4th color pixel and the second pixel group at least one
4th color pixel.
In every one first display unit, the third color of the quantity of the first color pixel of the first pixel group and the second pixel group
The quantity of pixel is identical.In every one first display unit, at least one the 4th color pixel and the second pixel group of the first pixel group
At least one the 4th color pixel it is non-conterminous.In every one first display unit, at least one the 4th color pixel position of the first pixel group
In the center row of the first pixel group and at least one the 4th color pixel of the second pixel group is located at the center row of the second pixel group.
Detailed description of the invention
Fig. 1 is the schematic diagram of the display device of the prior art.
Fig. 2 is the schematic diagram of the display device of one embodiment of the invention.
Fig. 3 is the driving circuit of one embodiment of the invention and the signal connection schematic diagram of the first display unit.
Fig. 4 is the schematic diagram of the display device of another embodiment of the present invention.
Fig. 5 is the schematic diagram of the display device of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the display device of another embodiment of the present invention.
Fig. 7 is the schematic diagram of the display device of another embodiment of the present invention.
Fig. 8 is the flow chart of the method for the driving display device of one embodiment of the invention.
Fig. 9 is the flow chart of a step of Fig. 8.
Wherein, appended drawing reference:
10,20,30,40,50,60 display device
100 display units
100R red sub-pixel
100G green sub-pixels
100B blue subpixels
210,410 first display unit
212,412 first pixel group
214,414 second pixel group
230 driving circuits
The first color pixel of A
The second color pixel of B
C third color pixel
The 4th color pixel of D
SIG1 first control signal
SIG2 second control signal
SIGR0、SIGR1、SIGR2、SIGR3Red color control signal
SIGG0、SIGG1Green color control signal
SIGB0、SIGB1、SIGB2、SIGB3Blue color control signal
320,520,620 second display unit
322,522,622 third pixel group
324,524,624 four pixel groups
700 methods
S710 is to S750 step
S712 is to S716 sub-step
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Fig. 2 is the schematic diagram of the display device 20 of one embodiment of the invention.Display device 20 includes that multirow first shows list
Member 210 and driving circuit 230.Every the first display unit of a line includes multiple first display units 210.Every one first display is single
210 yuan include the first pixel group 212 and the second pixel group 214.
First pixel group 212 includes according to (2m- 1) multiple first color pixel A, multiple second colours that the mode of x 3 arranges
Plain B and at least one the 4th color pixel D, m are the positive integer greater than 1.In the embodiment of fig. 2,2 m, and the first pixel group 212
In the first color pixel A, the second color pixel B and the 4th color pixel D be to be arranged in a manner of 3x3.Second pixel group 214 and
One pixel group, 212 arranged adjacent, every one second pixel group 214 include the multiple second color pixel B, more arranged according to the mode of 3x 3
A third color pixel C and at least one the 4th color pixel D.That is, the first pixel group 212 has phase with the second pixel group 214
As the sub-pixel of structure but different color.In the embodiment of fig. 2, the first color pixel A of the first pixel group 212 can be red
Second color pixel B of color pixel, the second color pixel B of the first pixel group 212 and the second pixel group 214 can be green pixel, the
4th color pixel D of one pixel group 212 and the 4th color pixel D of the second pixel group 214 can be white pixel, and the second pixel group
214 third color pixel C can be blue pixel.However the present invention is not limited thereto, in other embodiments of the invention, the
First color pixel A of one pixel group 212 also can be blue pixel, the second color pixel B of the first pixel group 212 and the second pixel group
214 the second color pixel B can be green pixel, the 4th of the 4th color pixel D of the first pixel group 212 and the second pixel group 214 the
Color pixel D can be white pixel, and the third color pixel C of the second pixel group 214 then can be red pixel.
In addition, in the first pixel group 212, the quantity of the first color pixel A can be greater than the quantity of the second color pixel B, and the
The quantity of two color pixel B can be greater than the quantity of the 4th color pixel D.In the second pixel group 214, the quantity meeting of third color pixel C
Greater than the quantity of the second color pixel B, and the quantity of the second color pixel B can be greater than or equal to the quantity of the 4th color pixel D.Furthermore
In every one first display unit 210, the quantity of the first color pixel A of the first pixel group 212 can be with the second pixel group 214
The quantity of third color pixel C is identical.For example, in Fig. 2, the first pixel group 212 may include five the first color pixel A, three
A second color pixel B and a 4th color pixel D, and the second pixel group 214 may include five third color pixel C, two second
Color pixel B and two the 4th color pixel D.
Furthermore in order to make display device 20 when picture is presented, the combination of color can be allowed more uniform, and possess preferably
Visual effect can be by the 4th color pixel D and the second pixel of the first pixel group 212 in every one first display unit 210
4th color pixel D of group 214 arranges to be mutually non-conterminous, or even the 4th color pixel D of the first pixel group 212 can be set to first
The center row of pixel group 212, and the 4th color pixel D of the second pixel group 214 is set to the center row of the second pixel group 214.
In the embodiment of fig. 2, the 4th color pixel D of the first pixel group 212 may be disposed at the center of the first pixel group 212, and
Two the 4th color pixel D of the second pixel group 214 are then not adjacent to each other.
Due in the first display unit 210, white pixel, that is, the 4th color pixel D, quantity compared with its allochromatic colour pixel
It is few, therefore the saturation degree of color can be maintained in the case where effective brightness for promoting whole display picture, and picture is avoided to wash
White situation.Further, since the first display unit 210 can by the first pixel group 212 and the common colour mixture of the second pixel group 214, because
The quantity of this each color pixel can be come much compared with the quantity of each color pixel of the display unit 100 of the prior art, therefore compared to existing
There is the display unit 100 of technology, the first display unit 210 can be combined into greater number of different color.Furthermore it is aobvious first
Show in unit 210, since the 4th color pixel D can be distributed between other pixels, and the first pixel group can be located at
212 and second pixel group 214 center row, therefore display device 20 is passing through the first pixel group of the first display unit 210
212 and the second pixel group 214 when picture is presented, the color blending effect between different color pixels can be more uniform, and then promotes picture
The quality that face is presented.
Driving circuit 230 can drive the first display unit of multirow 210 of display device 20.In section Example of the invention
In, the first control signal SIG1 of the exportable 3x m bit of driving circuit 230 is to drive the first pixel group 212, and output 3x
M bit second control signal SIG2 is to drive the second pixel group 214.Fig. 3 be one embodiment of the invention driving circuit 230 with
The signal connection schematic diagram of first display unit 210.In Fig. 3, the first control letter of 230 capable of emitting 6 bits of driving circuit
Number SIG1, and the second control signal SIG2 of capable of emitting 6 bits.Using the first color pixel A as red pixel, the second color pixel B
For green pixel, third color pixel C is blue pixel and the 4th color pixel D is first control signal SIG1 for white pixel
It may include the Red color control signal SIG of nibbleR0、SIGR1、SIGR2And SIGR3And two bit green color control signal SIGG0
And SIGG1；And second control signal SIG2 may include the Blue color control signal SIG of nibbleB0、SIGB1、SIGB2And SIGB3, with
And two bit green color control signal SIGG0And SIGG1。
The Red color control signal SIG of first control signal SIG1R1、SIGR2And SIGR3It can export respectively to the first pixel group
212 five the first color pixel A, the Red color control signal SIG of first control signal SIG1R0It then may be output to the first pixel group
212 the 4th color pixel D, and the green color control signal SIG of first control signal SIG1G0And SIGG1It can export respectively to first
Three the second color pixel B of pixel group 212.The Blue color control signal SIG of second control signal SIG2B0、SIGB1And SIGB3It can divide
It Shu Chu not be to the Blue color control signal SIG of five thirds color pixel C, second control signal SIG2 of the second pixel group 214B2It can be defeated
Out to the green color control signal SIG of one of the second pixel group 214 the 4th color pixel D, second control signal SIG2G0It can be defeated
Out to the 4th color pixel D of one of the second pixel group 214, and the green color control signal SIG of second control signal SIG2G1It can
It exports to two the second color pixel B of the second pixel group 214.
That is, can be controlled using the Red color control signal of part, green color control signal and blue for driving circuit 230
Signal processed controls the white pixel in the first pixel group 212 and the second pixel group 214, therefore compared to the prior art, driving
Circuit 230 can utilize Red color control signal, green color control signal in the case where the control signal of not extra computation white pixel
And Blue color control signal drives the white pixel in the first pixel group 212 and the second pixel group 214.Certainly, the present invention is not
It is limited with signal connection type shown in Fig. 3.In other embodiments of the invention, driving circuit 230 can also recalculate white
The control signal of color pixel, or each color control signal can be connected with the respective pixel of different location.
It, in a display device, can also will be in the display unit of adjacent rows in addition, in section Example of the invention
Red pixel and blue pixel are staggered, so that the colour mixture of display unit is more uniform.Fig. 4 is one embodiment of the invention
The schematic diagram of display device 30.Display device 30 is similar to the structure of display device 20, and operating principle is also identical, however shows dress
30 are set other than comprising the first display unit of multirow 210 and driving circuit 230, also includes the second display unit of multirow
320.In the fig. 4 embodiment, the first display unit of multirow 210 and the second display unit of multirow 320 can be staggered.
Every the second display unit of a line 320 includes multiple second display units 320, and every one second display unit 320 wraps
The group of pixel containing third 322 and four pixel groups 324.Third pixel group 322 can be with the first pixel group of the first display unit 210
212 is adjacent.Third pixel group 322 may include five third color pixel C, two the second color pixel B and two the 4th color pixel D.
Four pixel groups 324 can be adjacent with the second pixel group 214 of the first display unit 210.Four pixel groups 324 may include five
First color pixel A, three the second color pixel B and a 4th color pixel D.In addition, third pixel group 322 and four pixel groups
324 the 4th color pixel can equally be set to the center row of third pixel group 322 and four pixel groups 324, and four pixel groups
324 the 4th color pixel D can be located at the center of four pixel groups 324, and two the 4th color pixels of third pixel group 322
D is not adjacent to each other.
In this way, the second display unit 320 can by third pixel group 322 and the common colour mixture of four pixel groups 324,
Therefore display unit 100 compared to the prior art, the second display unit 320 can be combined into greater number of different color.
Furthermore due in display device 30 the first display unit 210 and the second display unit 320 can be staggered, display dress
Set 30 color blending effect when picture is presented by the first display unit 210 and the second display unit 320, between different color pixels
Can be more uniform, and further promote the quality that picture is presented.
Although all respectively including in the above-described embodiments, three the 4th in the first display unit 210 and the second display unit 320
Color pixel, however the present invention is not limited thereto, in other embodiments of the invention, as long as the first display unit 210 and
The quantity of the first color pixel A in two display units 320 and the quantity of third color pixel C are both greater than the quantity of the second color pixel B,
And first the quantity of display unit 210 and the second color pixel B in the second display unit 320 be greater than the quantity of the 4th color pixel D,
The quantity of white pixel (that is, the 4th color pixel) and the unbalance caused picture of quantity of other color pixels can be avoided to wash
White problem.
Fig. 5 is the schematic diagram of the display device 40 of one embodiment of the invention.Display device 40 includes the first display unit 410
And driving circuit 230, the first display unit 410 include the first pixel group 412 and the second pixel group 414.The knot of display device 40
Structure is similar to display device 20, and operating principle is also similar, the two the difference is that the first display unit 410 of display device 40
Second pixel group 414 contains three the second color pixel B and a 4th color pixel D, and the first of display device 20 the display is single
Second pixel group 214 of member 210 then contains two the second color pixel B and two the 4th color pixel D.
Due in the first display unit 410, white pixel, that is, the 4th color pixel D, quantity compared with its allochromatic colour pixel
It is few, therefore display device 40 can maintain the saturation of color in the case where effective brightness for promoting whole display picture
The case where spending, and picture avoided to whiten.Further, since the first display unit 410 can be by the first pixel group 412 and the second pixel
414 common colour mixtures of group, therefore the quantity of each color pixel can be come compared with the quantity of each color pixel of the display unit 100 of the prior art
It is more, therefore compared to the display unit of prior art 100, the first display unit 410 can be combined into greater number of mutually heterochromatic
It is color.
Fig. 6 is the schematic diagram of the display device 50 of one embodiment of the invention.The structure of display device 50 and display device 40
Similar, operating principle is also identical, however display device 50 in addition to comprising the first display unit of multirow 510 and driving circuit 230 it
It outside, also include the second display unit 520 of multirow.In the embodiment in fig 6, the first display unit of multirow 510 and multirow second
Display unit 520 can be staggered.
Every the second display unit of a line 520 includes multiple second display units 520, and every one second display unit 520 wraps
The group of pixel containing third 522 and four pixel groups 524.Third pixel group 522 is adjacent with the first pixel group 412, third pixel group
522 include five third color pixel C, three the second color pixel B and a 4th color pixel D.Four pixel groups 524 and the second picture
Element group 414 is adjacent, and four pixel groups 524 include five the first color pixel A, three the second color pixel B and the 4th color pixel
D。
Due in display device 50 the first display unit 510 and the second display unit 520 can be staggered, show
Showing device 50 is mixed between different color pixels when picture is presented by the first display unit 510 and the second display unit 520
Color effect can be more uniform, and further promotes the quality that picture is presented.
Fig. 7 is the schematic diagram of the display device 60 of one embodiment of the invention.The structure of display device 60 and display device 40
Similar, operating principle is also identical, however display device 60 in addition to comprising the first display unit of multirow 410 and driving circuit 230 it
It outside, also include the second display unit 620 of multirow.In the example of figure 7, the first display unit of multirow 410 and multirow second
Display unit 620 can be staggered.
Every the second display unit of a line 620 includes multiple second display units 620, and every one second display unit 620 wraps
The group of pixel containing third 622 and four pixel groups 624.Third pixel group 622 is adjacent with the first pixel group 412, third pixel group
622 include five the first color pixel A, three the second color pixel B and a 4th color pixel D, however the of third pixel group 622
The position of four color pixel D is different with the position of the 4th color pixel D of the first pixel group 412.Four pixel groups 624 and the second picture
Element group 414 is adjacent, and four pixel groups 624 include five third color pixel C, three the second color pixel B and the 4th color pixel
D, however the position of the 4th color pixel D of four pixel groups 624 and the position phase of the 4th color pixel D of the second pixel group 414
It is different.
Due in display device 60 the first display unit 410 and the second display unit 620 can be staggered, show
Colour mixture effect of the device 60 when picture is presented by the first display unit 410 and the second display unit 620, between different color pixels
Fruit can be more uniform, and further promotes the quality that picture is presented.
Other than the pixel arrangements illustrated by the various embodiments described above, user also can will according to the concept of symmetry
Each color pixel does different arrangements, for example, can also change the first color pixel A of the third pixel group 622 of display device 60
For third pixel C, and the third color pixel C of four pixel groups 624 is changed to the first pixel A.It also can be changed even with person aobvious
In showing device 40, the position of the first pixel group 412 and the second color pixel in the second pixel group 414.As long as that is, display
The quantity of the first color pixel A of each display unit and the quantity of third color pixel C are both greater than the number of the second color pixel B in device
Amount, and the quantity of the second color pixel B of each display unit is greater than the quantity of the 4th color pixel D, can avoid white pixel
The problem of picture caused by quantity and the quantity of other color pixels are unbalance whitens.And each display is put by the concept of symmetry
Pixel in unit then can further maintain the color blending effect of display device.
Fig. 8 is the flow chart of the method 700 of the driving display device of one embodiment of the invention.Method 700 can be applied to drive
Dynamic display device 20,30,40,50 and 60.Method 700 may include step S710 to S750.
S710: the three colour brightness data groups for corresponding to the first display unit 210 (or 410) are converted to and are shown corresponding to first
Show four colour brightness data groups of unit 210 (or 410)；
S720: the multiple of the first pixel group 212 (or 412) are driven according to the first colour brightness value of four colour brightness data groups
First color pixel A；
S730: the multiple of the first pixel group 212 (or 412) are driven according to the second colour brightness value of four colour brightness data groups
Multiple second color pixel B of second color pixel B and the second pixel group 214 (or 414)；
S740: the multiple of the second pixel group 214 (or 414) are driven according to the third colour brightness value of four colour brightness data groups
Third color pixel C；
S750: the first pixel group 212 (or 412) is driven at least according to the 4th colour brightness value of four colour brightness data groups
At least one the 4th color pixel of one the 4th color pixel D and the second pixel group 214 (or 414).
In step S710, it can will be used to drive red, green and blue pixel the three colour brightness data groups of the prior art to turn
Four colour brightness data groups are changed to respectively drive in the first display unit 212 (or 412) and the second display unit 214 (or 414)
Red pixel, green pixel, blue pixel and white pixel.In section Example of the invention, step S710 can pass through
Such as the signal mode of connection of Fig. 3, white pixel directly is controlled using the part bit Data in three colour brightness data groups, however
In section Example of the invention, it is bright that three colour brightness data groups also can be converted into four colors in other way by step S710
Spend data group.
Fig. 9 is the flow chart of the step S710 of one embodiment of the invention.Step S710 may include sub-step S712 to S716,
But it is not limited to sequence shown in Fig. 8.
S712: the saturation degree for corresponding to three colour brightness data groups of the first display unit 212 (or 412) is calculated；
S714: the 4th colour brightness value corresponded in four colour brightness data groups of the first display unit 212 (or 412) is set
It is set to the maximum value of the 4th colour brightness value；
S716: the first colour brightness value, the second colour brightness value in four colour brightness data groups are calculated according to three colour brightness data groups
And third colour brightness value is so that the saturation degree of four colour brightness data groups is equal to the saturation degree of three colour brightness data groups.
In other words, when three colour brightness data groups are converted into four colour brightness data groups, can first in sub-step S714,
The 4th colour brightness value corresponded in four colour brightness data groups to white pixel is set as the maximum value of the 4th colour brightness value to increase
Add the brightness of display picture, and calculates the saturation degree of original three colour brightnesses data group in sub-step S712.The calculating of saturation degree
Mode can be calculated by generally known definition and be obtained, such as can be calculated according to formula 1 and be obtained saturation degree S:
S=1- (Min (BA,BB,BC)/Max(BA,BB,BC)) formula 1
In formula 1, BAIndicate the first colour brightness value (for example, red luma value) in three colour brightness data groups, BBIt indicates
The second colour brightness value (for example, Green brightness value) in three colour brightness data groups, and BCIndicate in three colour brightness data groups
Three colour brightness values (for example, blue intensity values).Min(BA,BB,BC) indicate the first colour brightness value BA, the second colour brightness value BBAnd the
Three colour brightness value BCIn minimum value, Max (BA, BB,BC) indicate the first colour brightness value BA, the second colour brightness value BBAnd third color
Brightness value BCIn maximum value.
Then it in sub-step S716, according to the proportionate relationship of brightness value assorted in three colour brightness data groups, can calculate
First colour brightness value, the second colour brightness value and third colour brightness value in four colour brightness data groups, and make four colour brightness data groups
Saturation degree is equal to the saturation degree of three colour brightness data groups.
Since the white pixel quantity in display device 20,30,40,50 and 60 can be come compared with the quantity of other color pixels
It is few, therefore in the case where the 4th colour brightness value is set as maximum value, the overall brightness of display device can not only be promoted, together
When can also keep the color saturation of original picture, and that reduces that picture caused by the display device of the prior art whitens asks
Topic.
It is bright in the first colour brightness value of four colour brightness data groups of acquirement, the second colour brightness value, third colour brightness value and the 4th
After angle value, step S720 to S750 can respectively according to the first colour brightness value of four colour brightness data groups, the second colour brightness value,
Third colour brightness value and the 4th brightness value drive corresponding pixel.
By method 700, display device 20,30,40,50 and 60 can be driven, due to display device 20,30,40,50
And in 60, the quantity of white pixel is few compared with the pixel of its allochromatic colour, therefore can promote the bright of whole display picture effective
In the case where degree, the case where maintaining the saturation degree of color, and picture is avoided to whiten, while picture can also be increased by white pixel
The brightness in face, and then saving can be lost.In addition, the display unit of display device 20,30,40,50 and 60 can be by different picture
Element organizes common colour mixture, therefore display unit 100 compared to the prior art, the display list of display device 20,30,40,50 and 60
Member can be combined into greater number of different color.
In conclusion display device provided by the embodiment of the present invention and drive display device method can pass through by
Display unit is divided into the pixel group comprising different color, and white pixel is added in each pixel group, thus can be combined into compared with
The more colors of the display device of the prior art, and the brightness of whole display picture can be efficiently promoted, while also can
Save electric energy loss.Further, since the quantity of white pixel is still come few compared with the quantity of other color pixels in display unit, therefore
Also it can avoid the problem of picture whitens, and then increase the elasticity of display device in use.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (16)
1. a kind of display device, characterized by comprising:
The first display unit of multirow, every the first display unit of a line includes multiple first display units, and every one first display is single
Member includes:
One first pixel group, every one first pixel group include according to (2m- 1) mode of x 3 arranges multiple first color pixels, multiple
Second color pixel and at least one the 4th color pixel, and the quantity of those the first color pixels of the first pixel group is greater than first picture
The quantity of those the second color pixels of the quantity and the first pixel group of those the second color pixels of element group is greater than first pixel
The quantity of at least one the 4th color pixel of group；And
One second pixel group, with the first pixel group arranged adjacent, every one second pixel group includes according to (2m- 1) mode of x 3 is arranged
Multiple second color pixels, multiple third color pixels and at least one the 4th color pixel of column, and those thirds of the second pixel group
The quantity of color pixel is greater than the quantity of those the second color pixels of the second pixel group and those second colors of the second pixel group
The quantity of pixel is greater than or equal to the quantity of at least one the 4th color pixel of the second pixel group；And
One drive circuit, to drive those the first display units of row；
Wherein:
M is the positive integer greater than 1；
In every one first display unit, the quantity of those the first color pixels of the first pixel group should with the second pixel group
The quantity of a little third color pixels is identical；
In every one first display unit, at least one the 4th color pixel of the first pixel group and the second pixel group this extremely
Few one the 4th color pixel is non-conterminous；And
In every one first display unit, at least one the 4th color pixel is located in the first pixel group for this of the first pixel group
Between row and at least one the 4th color pixel of the second pixel group be located at the center row of the second pixel group；
The first pixel group this at least this of one the 4th color pixel and the second pixel group at least one the 4th color pixel be it is multiple
White pixel.
2. display device according to claim 1, which is characterized in that the driving circuit is to export the of 3x m bit
One control signal is to drive the first pixel group, and output 3x m bit second control signal to drive the second pixel group.
3. display device according to claim 1, it is characterised in that:
M is 2；
The first pixel group includes five the first color pixels, three the second color pixels and one the 4th color pixel；And
The second pixel group includes five third color pixels, three the second color pixels and one the 4th color pixel.
4. display device according to claim 3, which is characterized in that additionally comprise:
The second display unit of multirow, every the second display unit of a line includes multiple second display units, and every one second display is single
Member includes:
One third pixel group, adjacent with the first pixel group, which includes five third color pixels, three the second colors
Pixel and one the 4th color pixel；And
One four pixel groups, adjacent with the second pixel group, which includes five the first color pixels, three the second colors
Pixel and one the 4th color pixel.
5. display device according to claim 1, it is characterised in that:
M is 2；
The first pixel group includes five the first color pixels, three the second color pixels and one the 4th color pixel；And
The second pixel group includes five third color pixels, two the second color pixels and two the 4th color pixels；
Wherein:
4th color pixel of the first pixel group is located at a center of the first pixel group；And
Two the 4th color pixels of the second pixel group are not adjacent to each other.
6. display device according to claim 5, which is characterized in that additionally comprise:
Multiple second display units, every the second display unit of a line includes multiple second display units, and every one second display is single
Member includes:
One third pixel group, adjacent with the first pixel group, which includes five third color pixels, two the second colors
Pixel and two the 4th color pixels；And
One four pixel groups, adjacent with the second pixel group, which includes five the first color pixels, three the second colors
Pixel and one the 4th color pixel；
Wherein:
4th color pixel of the four pixel groups is located at a center of the four pixel groups；And
Two the 4th color pixels of the third pixel group are not adjacent to each other.
7. display device according to any one of claims 1 to 6, it is characterised in that:
Those first color pixels of the first pixel group be multiple red pixels, the first pixel group those second color pixels and
Those second color pixels of the second pixel group are more for those third color pixels of multiple green pixels and the second pixel group
A blue pixel.
8. display device according to any one of claims 1 to 6, it is characterised in that:
Those first color pixels of the first pixel group be multiple blue pixels, the first pixel group those second color pixels and
Those second color pixels of the second pixel group are more for those third color pixels of multiple green pixels and the second pixel group
A red pixel.
9. a kind of method for driving display device, which is characterized in that the display device includes the first display unit of multirow, every a line
First display unit includes multiple first display units, and every one first display unit includes the first pixel group and the second pixel
Group, every one first pixel group include according to (2m- 1) mode of x 3 is ranked multiple first color pixels, multiple second color pixels and extremely
Few one the 4th color pixel, and the quantity of those the first color pixels of the first pixel group is greater than those second colors of the first pixel group
The quantity of those the second color pixels of the quantity of pixel and the first pixel group be greater than the first pixel group this at least one the 4th
The quantity of color pixel and the second pixel group and the first pixel group arranged adjacent, every one second pixel group include according to (2m-1)x
Multiple second color pixels, multiple third color pixels and at least one the 4th color pixel that 3 mode arranges, and the second pixel group
The quantity of those third color pixels is greater than the quantity of those the second color pixels of the second pixel group and being somebody's turn to do for the second pixel group
The quantity of a little second color pixels is greater than or equal to the quantity of at least one the 4th color pixel of the second pixel group, this method packet
Contain:
One or the three colour brightness data groups for corresponding to first display unit are converted to one or four corresponding to first display unit
Colour brightness data group；
Those first color pixels of the first pixel group are driven according to one first colour brightness value of the four colour brightnesses data group；
Those second color pixels of the first pixel group are driven according to one second colour brightness value of the four colour brightnesses data group and are somebody's turn to do
Those second color pixels of second pixel group；
Those third color pixels of the second pixel group are driven according to a third colour brightness value of the four colour brightnesses data group；And
At least one the 4th color pixel of the first pixel group is driven according to one the 4th colour brightness value of the four colour brightnesses data group
And at least one the 4th color pixel of the second pixel group；
Wherein:
M is the positive integer greater than 1；
In every one first display unit, the quantity of those the first color pixels of the first pixel group should with the second pixel group
The quantity of a little third color pixels is identical；
In every one first display unit, at least one the 4th color pixel of the first pixel group and the second pixel group this extremely
Few one the 4th color pixel is non-conterminous；And
In every one first display unit, at least one the 4th color pixel is located in the first pixel group for this of the first pixel group
Between row and at least one the 4th color pixel of the second pixel group be located at the center row of the second pixel group,
The first pixel group this at least this of one the 4th color pixel and the second pixel group at least one the 4th color pixel be it is multiple
White pixel.
10. according to the method described in claim 9, it is characterized in that, three colour brightness that first display unit will be corresponded to
Data group is converted to the step of four colour brightnesses data group corresponding to first display unit and includes:
Calculate the saturation degree for corresponding to the three colour brightnesses data group of first display unit；
The 4th colour brightness value in the four colour brightnesses data group for corresponding to first display unit is set as the 4th color
One maximum value of brightness value；And
According to the three colour brightnesses data group calculate the first colour brightness value in the four colour brightnesses data group, the second colour brightness value and
The third colour brightness value is so that a saturation degree of the four colour brightnesses data group is equal to the saturation degree of the three colour brightnesses data group.
11. according to the method described in claim 9, it is characterized by:
M is 2；
The first pixel group includes five the first color pixels, three the second color pixels and one the 4th color pixel；And
The second pixel group includes five third color pixels, three the second color pixels and one the 4th color pixel.
12. according to the method for claim 11, which is characterized in that the display device additionally comprises:
The second display unit of multirow is staggered with first display unit of multirow, and every the second display unit of a line includes multiple
Second display unit, and every one second display unit includes:
One third pixel group, adjacent with the first pixel group, which includes five third color pixels, three the second colors
Pixel and one the 4th color pixel；And
One four pixel groups, adjacent with the second pixel group, which includes five the first color pixels, three the second colors
Pixel and one the 4th color pixel.
13. according to the method described in claim 9, it is characterized by:
M is 2；
The first pixel group includes five the first color pixels, three the second color pixels and one the 4th color pixel；And
The second pixel group includes five third color pixels, two the second color pixels and two the 4th color pixels；
Wherein:
4th color pixel of the first pixel group is located at a center of the first pixel group；And
Two the 4th color pixels of the second pixel group are not adjacent to each other.
14. according to the method for claim 13, which is characterized in that the display device additionally comprises:
Multiple second display units are staggered with first display unit of multirow, and every the second display unit of a line includes multiple
Second display unit, and every one second display unit includes:
One third pixel group, adjacent with the first pixel group, which includes five third color pixels, two the second colors
Pixel and two the 4th color pixels；And
One four pixel groups, adjacent with the second pixel group, which includes five the first color pixels, three the second colors
Pixel and one the 4th color pixel；
Wherein:
4th color pixel of the four pixel groups is located at a center of the four pixel groups；And
Two the 4th color pixels of the third pixel group are not adjacent to each other.
15. according to any method of claim 9 to 14, it is characterised in that:
Those first color pixels of the first pixel group be multiple red pixels, the first pixel group those second color pixels and
Those second color pixels of the second pixel group are more for those third color pixels of multiple green pixels and the second pixel group
A blue pixel.
16. according to any method of claim 9 to 14, it is characterised in that:
Those first color pixels of the first pixel group be multiple blue pixels, the first pixel group those second color pixels and
Those second color pixels of the second pixel group are more for those third color pixels of multiple green pixels and the second pixel group
A red pixel.
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| TW105118088A TWI581235B (en) | 2016-06-08 | 2016-06-08 | Display device and method for driving a display device |
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| CN107633802B (en) * | 2017-10-31 | 2021-09-14 | 武汉天马微电子有限公司 | Display panel and display device |
| US10832632B2 (en) * | 2018-03-14 | 2020-11-10 | Samsung Display Co., Ltd. | Low power architecture for mobile displays |
| CN109032552A (en) * | 2018-07-30 | 2018-12-18 | 深圳智芯数据服务有限公司 | A kind of display methods, device, equipment and storage medium |
| JP2022006850A (en) * | 2020-06-25 | 2022-01-13 | 株式会社リコー | Solid-state image sensor, reader, image processing device and control method |
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