CN109658889A - A kind of driving framework, display panel and display device - Google Patents
A kind of driving framework, display panel and display device Download PDFInfo
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- CN109658889A CN109658889A CN201910022847.2A CN201910022847A CN109658889A CN 109658889 A CN109658889 A CN 109658889A CN 201910022847 A CN201910022847 A CN 201910022847A CN 109658889 A CN109658889 A CN 109658889A
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3607—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 by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of driving framework, display panel and display devices.The driving framework includes the multiple data lines and multi-strip scanning line connecting with the pixel electrode of the pixel of display panel, and the polarity of the pixel electrode of the same data line connection is identical；The pixel includes blue pixel and other colored pixels；The pixel color of the pixel of the same scan line connection is identical；Wherein, in scan cycle, and the time of blue pixel corresponding scan line output grid enabling signal is greater than time of scan line corresponding with other colored pixels output grid enabling signal.Mitigate the partially yellow phenomenon of display panel picture, the display effect of display panel is good.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of driving frameworks, display panel and display device.
Background technique
Liquid crystal display panel (Liquid Crystal Display, LCD) is one of most widely used display, LCD
The liquid that a pair of of panel of electrode such as pixel electrode and public electrode occurs and is arranged between two panels including being provided with field
Crystal layer shows up when application voltage and electrode occurs to generate electric field in the liquid crystal layer, and liquid crystal molecule carries out partially under electric field action
Turn, it is possible thereby to which the transmission situation for controlling light makes LCD show image.Three-dimensional transistor (Tri-gate) drives framework, by data
Line (data line) is reduced to the one third of normal driving framework, and it is normal bogie structure that scan line (gate line), which increases,
3 times, panel manufacturing cost is greatly saved.
Liquid crystal display panel is due to driving framework defect, the phenomenon for causing display panel to have display partially yellow, thus serious shadow
Display quality has been rung, has been badly in need of solving.
Summary of the invention
The object of the present invention is to provide a kind of driving framework, display panel and display devices, can effectively solve display surface
The partially yellow phenomenon of plate.
The invention discloses a kind of driving frameworks, are applied to display panel, and the driving framework includes and display panel
The multiple data lines and multi-strip scanning line of the pixel electrode connection of pixel, the pixel electrode of the same data line connection
Polarity is identical；The pixel includes blue pixel and other colored pixels；The picture of the pixel of the same scan line connection
Plain color is identical；Wherein, in scan cycle, the time of scan line output grid enabling signal corresponding with blue pixel is greater than
The time of scan line output grid enabling signal corresponding with other colored pixels.
Optionally, the time of the blue pixel corresponding scan line output grid enabling signal include the default opening time and
Precharge time, the time of the pixel voltage of the default opening time respective data lines output current pixel, the precharge
Time was arranged before the default opening time, and continuous with the default opening time.
Optionally, the time of the blue pixel corresponding scan line output grid enabling signal include the default opening time and
Precharge time, the time of the pixel voltage of the default opening time respective data lines output current pixel, the preliminary filling
Electric time setting is arranged before the default opening time, and with default opening time interval.
Optionally, the time of the scan line output grid enabling signal corresponding with blue pixel is other colored pixels pair
2 times of the time for the scan line output grid enabling signal answered.
Optionally, the time of the scan line output grid enabling signal corresponding with blue pixel is other colored pixels pair
3 times of the time for the scan line output grid enabling signal answered.
Optionally, the pixel being connected on same data line includes the first pixel being arranged successively, the second pixel and
Three pixels；First pixel, the second pixel and third pixel color are different, and respectively correspond red pixel, green pixel and
Any one in the blue pixel；The time of the corresponding scan line output grid enabling signal of the blue pixel includes default
Opening time and precharge time, the time of the pixel voltage of the default opening time respective data lines output current pixel,
The precharge time setting is before the default opening time, and continuous with the default opening time and described and blue pixel
The time of corresponding scan line output grid enabling signal be the corresponding scan line of other colored pixels export grid enabling signal when
Between 2 times.
The invention also discloses a kind of display panels, including drive framework and multiple pixels, the drive as described above
Moving frame structure is connect with the multiple pixel driver.
Optionally, the pixel being connected on same data line includes the first pixel being arranged successively, the second pixel and
Three pixels；First pixel, the second pixel and third pixel color are different, and respectively correspond red pixel, green pixel and
Any one in the blue pixel.
Optionally, the pixel being connected on same data line includes the first pixel being arranged successively, the second pixel, third
Pixel and the 4th pixel；First pixel, the second pixel, third pixel and the 4th pixel color are different, and right respectively
Answer any one in red pixel, green pixel, white pixel and the blue pixel.
The invention also discloses a kind of display devices, including backlight module and above-mentioned display panel.
The pixel of display panel usually can be just like the different colours such as red (Red, R), green (Green, G), blue (Blue, B).?
In practical application, it is found by the applicant that red pixel and green pixel display brightness are brighter, blue pixel shows darker, red pixel
It is shown as yellow with after green pixel mixing, causes panel picture partially yellow, influences display effect.In addition, scan line and data line
All there is RC delays (Resistance resistance delay, RC delay) phenomenon, the display brightness of pixel with
Preferably there is certain gap.Pixel color identical display surface of this programme for the pixel of the same scan line connection
Plate, and the time of blue pixel corresponding scan line output grid enabling signal, to be greater than scan line corresponding with other colored pixels defeated
The time of grid enabling signal out, make blue pixel charging time be greater than with other colored pixels, reduce RC delay to indigo plant
The influence of color pixel, blue pixel charging is more abundant, and display brightness is brighter, reduces with the luminance difference of other colored pixels, subtracts
The light partially yellow phenomenon of display panel picture, the display effect of display panel are good.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of display panel of one embodiment of the invention；
Fig. 2 is a kind of schematic diagram of scan line output grid enabling signal before the improvement of one embodiment of the invention；
Fig. 3 is a kind of improved schematic diagram of scan line output grid enabling signal of another embodiment of the present invention；
Fig. 4 is the schematic diagram of the improved another scan line output grid enabling signal of another embodiment of the present invention；
Fig. 5 is the schematic diagram of the improved another scan line output grid enabling signal of another embodiment of the present invention；
Fig. 6 is the schematic diagram of the improved another scan line output grid enabling signal of another embodiment of the present invention；
Fig. 7 is another schematic diagram of the display panel of one embodiment of the invention；
Fig. 8 is the flow chart of the driving method the invention shows panel；
Fig. 9 is the schematic diagram of the display device of that present invention；
Wherein, 1, display device；10, display panel；20, backlight module；100, first substrate；110, data line；120,
Scan line；130, pixel；131, the first pixel；132, the second pixel；133, third pixel；134, the 4th pixel；140, source electrode
Driving；150, gate driving；200, the second substrate.
Specific embodiment
It is to be appreciated that term used herein above, disclosed specific structure and function details, it is only for description
Specific embodiment is representative, but the application can be implemented by many alternative forms, be not construed as only
It is limited to the embodiments set forth herein.
In the description of the present application, term " first ", " second " are used for description purposes only, and it is opposite to should not be understood as instruction
Importance, or implicitly indicate the quantity of indicated technical characteristic.As a result, unless otherwise indicated, " first ", " are defined
Two " feature can explicitly or implicitly include one or more of the features；The meaning of " plurality " is two or two
More than.Term " includes " and its any deformation, mean and non-exclusive include, it is understood that there may be or addition is one or more that other are special
Sign, integer, step, operation, unit, component and/or combination thereof.
In addition, "center", " transverse direction ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The term of the orientation or positional relationship of the instructions such as "outside" is that orientation or relative positional relationship based on the figure describe, only
Be that the application simplifies description for ease of description, rather than indicate signified device or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, it can also indirectly connected through an intermediary or the connection inside two elements.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
Liquid crystal display (Liquid Crystal Display, LCD) is one of most widely used display, LCD packet
It includes and is provided with the liquid crystal that field occurs a pair of of panel of electrode such as pixel electrode and public electrode and is arranged between two panels
Layer shows up when application voltage and electrode occurs to generate electric field in the liquid crystal layer, and liquid crystal molecule is deflected under electric field action,
It is possible thereby to which the transmission situation for controlling light makes LCD show image.Three-dimensional transistor (Tri-gate) drives framework, by data line
(data line) is reduced to the one third of normal driving framework, and it is the 3 of normal bogie structure that scan line (gate line), which increases,
Times, greatly save panel manufacturing cost.Liquid crystal display panel leads to have partially yellow phenomenon due to driving method, and panel
The partially yellow problem of display has seriously affected the image quality of panel, is badly in need of solving.
Below with reference to the accompanying drawings it 1 is elaborated to the present invention to attached drawing 8 and optional embodiment.
The present invention discloses a kind of display panel 10 in one embodiment, and it is real to show one in conjunction with Fig. 1, Fig. 2 and Fig. 3, Fig. 1
The schematic diagram of display panel 10 in example is applied, Fig. 2 show a kind of scan line 120 before improving in an embodiment and exports grid starting letter
Number schematic diagram, Fig. 3 show the schematic diagram that a kind of improved scan line 120 exports grid enabling signal.
The display panel 10 includes driving framework and multiple pixels 130, the driving framework and the multiple pixel
130 are drivingly connected；The driving framework includes the multiple data lines connecting with the pixel electrode of the pixel 130 of display panel 10
110 and multi-strip scanning line 120, the polarity for the pixel electrode that the same data line 110 connects is identical；The pixel 130
Including blue pixel and other colored pixels；The pixel color for the pixel 130 that the same scan line 120 connects is identical；
In scan cycle, the time that scan line 120 corresponding with blue pixel exports grid enabling signal is greater than and other color pictures
The corresponding scan line 120 of element exports the time of grid enabling signal.
The corresponding pixel 130 of adjacent two datas line 110 intermediate polarity is on the contrary, such as the corresponding picture of the first data line 110
The polarity of element 130 is positive, and the polarity of the corresponding pixel 130 of Article 2 data line 110 is negative；Or first data line 110 it is right
The polarity for the pixel 130 answered is negative, and the polarity of the corresponding pixel 130 of Article 2 data line 110 is positive.
The pixel 130 of display panel usually can face different just like red (Red, R), green (Green, G), blue (Blue, B) etc.
Color.In practical applications, it is found by the applicant that red pixel and green pixel display brightness are brighter, blue pixel show it is darker, it is red
It is shown as yellow after color pixel and green pixel mixing, causes panel picture partially yellow, influences display effect.In addition, scan line 120
All there is RC delays (Resistance resistance delay, RC delay) phenomenon, pixel with data line 110
130 display brightness and preferably there is certain gap.The pixel 130 that this programme is connected for the same scan line 120
The identical display panel of pixel color, the time that corresponding with blue pixel scan line 120 exports grid enabling signal be greater than with
The corresponding scan line 120 of other colored pixels exports the time of grid enabling signal, make the charging time of blue pixel be greater than and its
His colored pixels reduce influence of the RC delay to blue pixel, and blue pixel charging is more abundant, and display brightness is brighter, with
The luminance difference of other colored pixels reduces, and mitigates the partially yellow phenomenon of 10 picture of display panel, and the display effect of display panel 10 is good.
In conjunction with Fig. 1, Fig. 3, the pixel 130 being connected on same data line 110 includes the first pixel being arranged successively
131, the second pixel 132 and third pixel 133；The each not phase of first pixel 131, the second pixel 132 and 133 color of third pixel
Together, and any one in red pixel, green pixel and the blue pixel is respectively corresponded.
Specifically, pixel 130 is made of the pixel of three kinds of colors of red, green, blue on same data line 110, the first picture
The color of plain 131, second pixel 132 and third pixel 133 is different from each other, and according to starting be followed successively by the first pixel 131,
The sequence aligned transfer of second pixel 132, third pixel 133.Between the corresponding scan line 120 of every adjacent blue pixel,
Two scan lines 120 corresponding with other colors are spaced, i.e., are spaced two between every scan line 120 corresponding with blue pixel
Row, the corresponding output grid enabling signal time is greater than is spaced two rows between the scan line 120 of other colored pixels.130 face of pixel
Color is the pixel of red, green, blue color using more commonly, is improved to the partially yellow phenomenon of the display panel 10 of this structure, application
Range is wider.
Specifically, second pixel 131 is red pixel, second pixel 132 is green pixel, the third picture
Element 133 is blue pixel.First pixel 131 is red pixel, and second pixel 132 is green pixel, the third
Pixel 133 is blue pixel, and the 3n articles corresponding pixel 130 of scan line 120 is blue pixel, and the 3n-2 articles scan line 120 is right
The pixel 130 answered is red pixel, and the 3n-1 articles corresponding pixel 130 of scan line 120 is blue pixel.The 3n articles scanning
The time that line 120 is opened is greater than the time that the 3n-2 articles scan line 120 and the 3n-1 articles scan line 120 are opened, blue picture
The charging time of element be greater than with other colored pixels, reduce influence of the RC delay to blue pixel, blue pixel charges more
Sufficiently, display brightness is brighter, reduces with the luminance difference of other colored pixels, mitigates the partially yellow phenomenon of 10 picture of display panel, shows
Show that the display effect of panel 10 is good.The n is the natural number equal to or more than 1.
Certainly, the first pixel 131, the second pixel 132, third pixel 133 or red, blue, green；First picture
Plain 131, second pixel 132, third pixel 133 or green, red, blue；First pixel 131, the second pixel 132,
Third pixel 133 or green, blue, red；First pixel 131, the second pixel 132, third pixel 133 may be
Blue, red, green；First pixel 131, the second pixel 132, third pixel 133 or blue, green, red.
Specifically, in conjunction with Fig. 3, the time that the corresponding scan line 120 of the blue pixel exports grid enabling signal includes pre-
If opening time T2 and precharge time T1, the default opening time T2 respective data lines 110 export the picture of current pixel 130
The time of plain voltage, the precharge time T1 are arranged before the default opening time T2, and with default opening time T2
Continuously.
In Fig. 3, when first scan line G1 is high level within the charging time, G1 is opened for corresponding pixel charging.G1
Charging time warp after, G1 close；Then Article 2 scan line G2 is high level within the charging time, and G2 is opened for corresponding
Pixel charging；Meanwhile in G2 within the charging time, Article 3 scan line G3 is also high level, and G3 is opened for corresponding picture in advance
Element charging, the corresponding time is precharge time T1.After the charging time warp of G2, G2 is closed, and G3 is still high level at this time,
G3 continues to be opened for corresponding pixel charging, and the corresponding time is default opening time T2.After the T2 warp of G3, G3 is closed；
Then Article 4 scan line G4 is high level within the charging time, and G4 is opened for corresponding pixel charging.Every 3 scanning in Fig. 3
Line is one group, and so on.
The waveform of scan line 120 is similar with Fig. 3 in Figure 4 and 5, and difference is put not at the beginning of being only that precharge time T1
Equally.Specifically, T1 is opened simultaneously when G1 is opened in Fig. 5, and continue to that G2 is closed；In Fig. 6, T1 is passed through in G2 opening time
It is opened when crossing half, and continues to that G2 is closed.Scan line 120 corresponding with blue pixel exports the default unlatching of grid enabling signal
Time T1 and precharge time T2 are continuous, and corresponding blue pixel opening time is continuous, and corresponding scan line 120 is blue pixel charging
Time Continuous, blue pixel are disposably completed to charge, and charge efficiency is good, and blue pixel is shown more preferably.Wherein, when scan line 120
It is output grid enabling signal when for high level, other times then export low level.
Fig. 4 show the schematic diagram of improved another kind scan line output grid enabling signal in an embodiment, the indigo plant
The time that the corresponding scan line 120 of color pixel exports grid enabling signal includes default opening time T2 and precharge time T1, institute
State the time that default opening time T2 respective data lines 110 export the pixel voltage of current pixel 130, the precharge time
T1 is arranged before default opening time T2, and is arranged with the interval default opening time T2.
When first scan line G1 is high level within the charging time in Fig. 4, G1 is opened for corresponding pixel charging, together
When, in G1 within the charging time, Article 3 scan line G3 is also high level, and G3 is opened for corresponding pixel charging in advance, corresponding
Time be precharge time T1.After the charging time warp of G1, the precharge time T1 of G3 is also passed through, and G1, G3 are closed.So
Article 2 scan line G2 is high level within the charging time afterwards, and G2 is opened for corresponding pixel charging；The charging time of G2 passes through
Afterwards, G2 is closed.Then Article 3 scan line G3 is high level within the charging time, and G2 is opened for corresponding pixel charging, corresponding
Time be default opening time T2；After the T2 warp of G3, G3 is closed.Then Article 4 scan line G4 is within the charging time
High level, G4 are opened for corresponding pixel charging.It is also with every 3 scan lines in Fig. 4 for one group and so on.With blue pixel
Corresponding scan line 120 exports default opening time T1 and the setting of precharge time T2 interval of grid enabling signal, corresponding blue
There is interval in pixel opening time, corresponding scan line 120 is there is interval in the blue pixel charging time, and blue pixel is at least twice
It is above to complete charging.The time that scan line 120 corresponding with blue pixel exports grid enabling signal, there may be two intervals, three
A interval etc..
In addition, the time that the scan line 120 corresponding with blue pixel exports grid enabling signal can be even other
The corresponding scan line 120 of colored pixels exports 2 times of the time of grid enabling signal.Before blue pixel charges normal, in advance
The charging time for opening a unit for blue pixel charges in advance, while guaranteeing blue pixel charging effect, compares saving
Power, power consumption are relatively small.In addition, the charging time of blue pixel is just 2 times of other colored pixels charging time, setting
When setting the charging time of blue pixel, it is accurate to be more convenient.Certainly, the output of scan line 120 grid corresponding with blue pixel open herein
The time of dynamic signal can be continuously, be also possible to interval.
Fig. 5 show the schematic diagram of improved another kind scan line output grid enabling signal in an embodiment, different
It is that the time that the scan line 120 corresponding with blue pixel exports grid enabling signal is the corresponding scanning of other colored pixels
Line 120 exports 3 times of the time of grid enabling signal.Before blue pixel charges normal, two are opened for blue pixel in advance
The charging time of unit charges in advance, guarantees that the blue pixel charging time is enough, and the display brightness of blue pixel waits until to guarantee, shows
Show that effect is good, the partially yellow phenomenon of display panel 10 improves obvious.Certainly, scan line 120 corresponding with blue pixel exports grid herein
The time of enabling signal can be continuously, be also possible to interval.
Certainly, the time that the corresponding scan line 120 of above-mentioned blue pixel exports grid enabling signal may not be other face
The corresponding scan line 120 of color pixel exports the integral multiple of the time of grid enabling signal.For example, as shown in fig. 6, described and blue picture
The time that the corresponding scan line 120 of element exports grid enabling signal is that the corresponding scan line 120 of other colored pixels exports grid starting
1.5 times of the time of signal.While improving blue pixel charging effect, more saving power, power consumption are relatively smaller.Equally
, the time that scan line 120 corresponding with blue pixel exports grid enabling signal herein can be continuously, be also possible to be spaced
's.
Certainly, the arrangement of the pixel can also be with it is above-mentioned different.It is shown in an embodiment in conjunction with Fig. 7, Fig. 7
Another schematic diagram of the pixel arrangement of display panel, the pixel 130 being connected on same data line 110 include being arranged successively
First pixel 131, the second pixel 132, third pixel 133 and the 4th pixel 134；First pixel 131, the second pixel 132,
Third pixel 133 and 134 color of the 4th pixel are different, and respectively correspond red pixel, green pixel, white pixel and institute
State any one in blue pixel.On same data line 110, pixel 130 is by red, green, blue, the pixel of Bai Si kind color
Composition, the first pixel 131, the second pixel 132, the color of third pixel 133 and the 4th pixel 134 are different from each other, and press
The sequence aligned transfer of the first pixel 131, the second pixel 132, third pixel 133, the 4th pixel 134 is followed successively by according to starting.Often
Between the corresponding scan line 120 of the adjacent blue pixel of item, three scan lines 120 corresponding with other colors in interval, i.e., every
Three rows are spaced between scan line 120 corresponding with blue pixel, the corresponding output grid enabling signal time is greater than and other color pictures
Three rows are spaced between the scan line 120 of element.It is red, green, blue to 130 color of pixel, the display panel of the dot structure of white colour
10 partially yellow phenomenons improve, so that the display effect of display panel 10 is more preferable under this dot structure.
Specifically, first pixel 131 is red pixel, second pixel 132 is green pixel, the third picture
Element 133 is blue pixel, and the 4th pixel 134 is white pixel.Increasing white pixel can be improved wearing for display panel 10
Saturating rate, so that the display brightness of display panel 10 is brighter, under same brightness requirement, 10 power of display panel is lower.Certainly,
First pixel 131, the second pixel 132, third pixel 133, the color of the 4th pixel 134 can also be respectively red, blue, green
Color, white；First pixel 131, the second pixel 132, third pixel 133, the color of the 4th pixel 134 can also be respectively red
Color, white, green, blue；First pixel 131, the second pixel 132, third pixel 133, the color of the 4th pixel 134 can also be with
Respectively white, red, green, blue etc., as long as the combination of these four color arbitrary arrangements is ok.
The invention also discloses a kind of driving methods of display panel, show in an embodiment and show in conjunction with Fig. 8, Fig. 8
The driving method schematic diagram of panel, comprising steps of
S1: grid enabling signal is exported to the scan line of the display panel；
S2: output data driving signal gives the data line of the display panel；
Wherein, the pixel color of pixel 130 of the display panel 10 connected with scan line 120 is identical；It is described defeated
Data drive signal was given in the step of data line 110 of the display panel 10 out, in scan cycle, gave the same number
Polarity according to the data drive signal of the output of line 110 is identical；The grid enabling signal that exports is to the scanning of the display panel 10
In the step of line 120, in scan cycle, export to the corresponding scan line 120 of blue pixel of the display panel 10
The time of grid enabling signal is greater than output and opens to the corresponding output of scan line 120 grid of other colored pixels of the display panel 10
The time of dynamic signal.It should be noted that above-mentioned steps S1 and S2 can be while carrying out, point of no sequencing.
Pixel is by between red (Red, R), green (Green, G), indigo plant (Blue, B), the pixel of white (White, W) four kinds of colors
It is composed.In practical applications, it is found by the applicant that red pixel and green pixel display brightness are brighter, blue pixel show compared with
Secretly, it is shown as yellow after red pixel and green pixel mixing, causes panel picture partially yellow, influences display effect.In addition, scanning
It is existing all to there is RC delays (Resistance re-sistance delay, RC delay) in line 120 and data line 110
There is as, the display brightness of pixel 130 and preferably certain gap.In the present solution, scan line 120 corresponding with blue pixel exports
The time of grid enabling signal is greater than the time of scan line 120 corresponding with other colored pixels output grid enabling signal, blue picture
The charging time of element be greater than with other colored pixels, reduce influence of the RC delay to blue pixel, blue pixel charges more
Sufficiently, display brightness is brighter, reduces with the luminance difference of other colored pixels, mitigates the partially yellow phenomenon of 10 picture of display panel, shows
Show that the display effect of panel 10 is good.
The invention also discloses a kind of display devices, and the signal of display device in an embodiment is shown in conjunction with Fig. 9, Fig. 9
Figure, the display device 1 include backlight module and above-mentioned display panel 10；The display panel 10 further includes and scan line
The gate driving 150 that the source drive 140 and scan line 120 of 120 connections connect.Wherein, the first substrate 100 can be
Array substrate, the data line 110 and scan line 120 are arranged in array substrate；The display panel 10 further includes the second base
Plate 200, the second substrate 200 can be color membrane substrates.
It should be noted that the restriction for each step being related in this programme, in the premise for not influencing concrete scheme implementation
Under, it does not regard as being can be the step of making restriction to step sequencing, write on front what is first carried out, be also possible to
It executes, is possibly even performed simultaneously afterwards, as long as this programme can be implemented, all shall be regarded as belonging to protection model of the invention
It encloses.
Technical solution of the present invention can be widely applied to various display panels, such as twisted nematic (Twisted
Nematic, TN) display panel, plane conversion type (In-Plane Switching, IPS) display panel, vertical orientation type
(Vertical Alignment, VA) display panel, more quadrant vertical orientation type (Multi-Domain Vertical
Alignment, MVA) display panel, it is of course also possible to be other kinds of display panel, such as Organic Light Emitting Diode
(Organic Light-Emitting Diode, OLED) display panel, applicable above scheme.
The above content is combining, specific embodiment is made for the present invention to be described in detail the tool, and it cannot be said that of the invention
Body implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, this hair is not being departed from
Under the premise of bright design, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a kind of driving framework, is applied to display panel, the driving framework includes the pixel electrode with the pixel of display panel
The multiple data lines and multi-strip scanning line of connection, which is characterized in that the pole of the pixel electrode of the same data line connection
Property is identical；The pixel color of the pixel of the same scan line connection is identical；The pixel includes blue pixel and other
Colored pixels；
Wherein, in scan cycle, the time of corresponding with blue pixel scan line output grid enabling signal be greater than with
The time of the corresponding scan line output grid enabling signal of other colored pixels.
2. driving framework as described in claim 1, which is characterized in that the corresponding scan line output grid starting of the blue pixel
The time of signal includes default opening time and precharge time, and the default opening time respective data lines export current pixel
Pixel voltage time, precharge time is arranged before the default opening time, and when with the default unlatching
Between it is continuous.
3. driving framework as described in claim 1, which is characterized in that the corresponding scan line output grid starting of the blue pixel
The time of signal includes default opening time and precharge time, and the default opening time respective data lines export current pixel
Pixel voltage time, precharge time is arranged before the default opening time, and when with the default unlatching
Between be spaced setting.
4. driving framework as described in claim 1, which is characterized in that the scan line output grid corresponding with blue pixel open
The time of dynamic signal is 2 times of the time that the corresponding scan line of other colored pixels exports grid enabling signal.
5. driving framework as described in claim 1, which is characterized in that the scan line output grid corresponding with blue pixel open
The time of dynamic signal is 3 times of the time that the corresponding scan line of other colored pixels exports grid enabling signal.
6. driving framework as described in claim 1, which is characterized in that the pixel being connected on same data line includes successively
The first pixel, the second pixel and the third pixel of arrangement；First pixel, second pixel and the third pixel color
It is different, and respectively correspond any one in red pixel, green pixel and the blue pixel；The blue pixel pair
The time for the scan line output grid enabling signal answered includes default opening time and precharge time, the default opening time pair
The time of the pixel voltage of data line output current pixel is answered, the precharge time was arranged before the default opening time, and
It is continuous with the default opening time, and the time of the scan line output grid enabling signal corresponding with blue pixel is other
2 times of the time of the corresponding scan line output grid enabling signal of colored pixels.
7. a kind of display panel, which is characterized in that the drive including multiple pixels and as described in claim 1 to 6 any one
Moving frame structure.
8. display panel as claimed in claim 7, which is characterized in that the pixel being connected on same data line includes successively
The first pixel, the second pixel and the third pixel of arrangement；First pixel, second pixel and the third pixel color
It is different, and respectively correspond any one in red pixel, green pixel and the blue pixel.
9. display panel as claimed in claim 7, which is characterized in that the pixel being connected on same data line includes successively
The first pixel, the second pixel, third pixel and the 4th pixel of arrangement；First pixel, the second pixel, third pixel and
Four pixel colors are different, and respectively correspond any in red pixel, green pixel, white pixel and the blue pixel
It is a kind of.
10. a kind of display device, which is characterized in that aobvious including backlight module and as described in claim 7 to 9 any one
Show panel.
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| CN109658889B (en) | 2021-02-12 |
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