CN110415656A - A kind of low colour cast picture element matrix driving method and device - Google Patents
A kind of low colour cast picture element matrix driving method and device Download PDFInfo
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- CN110415656A CN110415656A CN201810403846.8A CN201810403846A CN110415656A CN 110415656 A CN110415656 A CN 110415656A CN 201810403846 A CN201810403846 A CN 201810403846A CN 110415656 A CN110415656 A CN 110415656A
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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
- 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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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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
- G09G3/3696—Generation of voltages supplied to electrode 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
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- 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 Display Device Control (AREA)
Abstract
The invention discloses a kind of low colour cast picture element matrix driving methods, including several data lines pair that several adjacent two datas lines are formed, are provided with two sub-pixels on the inside of each pair of data line, and a corresponding sub-pixel on-load voltage inwardly；In a frame, along data line direction, according to the first predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；Along scanning line direction, according to the second predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；Wherein, which comprises obtain raw pixel data；The first driving voltage and the second driving voltage are generated according to the raw pixel data；In a frame, first driving voltage or second driving voltage are loaded to the picture element matrix along data line direction.Low colour cast picture element matrix driving method of the invention to realize the display effect of 8-Domain low colour cast in the case where not increasing panel power and additionally consuming.
Description
Technical field
The invention belongs to image display arts, and in particular to a kind of low colour cast picture element matrix driving method and device.
Background technique
VA type liquid crystal display panel is using relatively broad in current display product, and VA type panel is broadly divided into two at present
Kind, one kind is MVA (Multi-domain Vertical Alignment, multizone vertical arrangement) type, another is PVA
(Patterned Vertical Alignment, pattern vertical arrangement) type.In existing 4-domain VA technology, with
The adjustment of viewing visual angle, its structure of VA type liquid crystal display panel are easy to produce colour cast (color washout) under big visual angle
Phenomenon, by the data line driving method of collocation 2-line reversion to improve cross-interference issue.
However, existing design method can make the power consumption consumption of panel larger, causes the temperature of driving chip to improve, increase
Add cost, influences user experience.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of low colour cast picture element matrix driving sides
Method and device.The technical problem to be solved in the present invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of low colour cast picture element matrix driving method, including several adjacent two datas are linear
At several data lines pair, be provided with two sub-pixels on the inside of each pair of data line, and a corresponding sub-pixel adds inwardly
Carry voltage；In a frame, along data line direction, according to the first predetermined space, alternately with the first driving method or the second driving side
Formula on-load voltage is to sub-pixel；It is alternately driven along scanning line direction according to the second predetermined space with the first driving method or second
Mode on-load voltage is to sub-pixel；
Wherein, which comprises
Obtain raw pixel data；
The first driving voltage and the second driving voltage are generated according to the raw pixel data；
In a frame, first driving voltage or second driving voltage are loaded to the pixel along data line direction
Matrix.
In a specific embodiment, with the first driving method on-load voltage to sub-pixel, comprising:
Every data line of data line centering is controlled to adjacent subpixels on-load voltage on the inside of the data line.
In a specific embodiment, with the second driving method on-load voltage to sub-pixel, comprising:
Every data line of data line centering is controlled to sub-pixel on-load voltage non-conterminous on the inside of the data line.
In a specific embodiment, with the first driving method on-load voltage to sub-pixel, comprising:
The first driving voltage is generated according to the raw pixel data and the second driving voltage includes:
The first luma data and the second luma data are obtained according to the raw pixel data；
According to first luma data and second luma data, generates and correspond to the of first luma data
One driving voltage, and the second driving voltage corresponding to second luma data.
In a specific embodiment, the first luma data and the second gray number are obtained according to the raw pixel data
According to, comprising:
The original pixel value of each location of pixels is obtained according to the raw pixel data, it will be every according to intended conversion mode
The original pixel value of a location of pixels is converted to first luma data or second luma data.
Present invention simultaneously provides a kind of low colour cast picture element matrix driving device, including sequence controller, data drive unit,
Scan drive cell, picture element matrix, the picture element matrix include several data lines pair that several adjacent two datas lines are formed, often
Two sub-pixels are provided with to data line inside, and a corresponding sub-pixel on-load voltage inwardly；In a frame, along number
According to line direction, according to the first predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；Edge
Scanning line direction, according to the second predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；
The sequence controller forms the first gray number for obtaining raw pixel data, according to the raw pixel data
According to the second luma data, first luma data and second luma data are exported to the data drive unit；
The data drive unit is used to generate the first driving voltage according to first luma data, and according to described
Second luma data generates the second driving voltage；And in a frame, along data line direction load first driving voltage or
Second driving voltage is to the picture element matrix.
In a specific embodiment, the data drive unit be also used to control every data line of data line centering to
Adjacent subpixels on-load voltage on the inside of the data line.
In a specific embodiment, the data drive unit be also used to control every data line of data line centering to
Non-conterminous sub-pixel on-load voltage on the inside of the data line.
In a specific embodiment, the sequence controller is specifically used for: being obtained often according to the raw pixel data
The original pixel value of each location of pixels is converted to the first ash according to intended conversion mode by the original pixel value of a location of pixels
Order evidence or the second luma data.
Compared with prior art, beneficial effects of the present invention:
Low colour cast picture element matrix driving method of the invention passes through several data for forming several adjacent two datas lines
Line pair, each pair of data line inside is provided with two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly, so that
Do not increase in the case that panel power additionally consumes, realizes the display effect of 8-Domain low colour cast.
Detailed description of the invention
Fig. 1 is a kind of low colour cast picture element matrix driving method flow chart provided in an embodiment of the present invention；
Fig. 2 is that a kind of low colour cast picture element matrix provided in an embodiment of the present invention drives configuration diagram；
Fig. 3 is a kind of low colour cast picture element matrix pixel display schematic diagram provided in an embodiment of the present invention；
Fig. 4 is that a kind of low colour cast picture element matrix that further embodiment of this invention provides drives configuration diagram；
Fig. 5 is a kind of low colour cast picture element matrix pixel display schematic diagram that further embodiment of this invention provides；
Fig. 6 is a kind of low colour cast picture element matrix schematic diagram of driving device provided in an embodiment of the present invention.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
Embodiment one
Referring to Figure 1, Fig. 1 is a kind of low colour cast picture element matrix driving method flow chart provided in an embodiment of the present invention.This
The driving framework of embodiment includes several data lines pair that several adjacent two datas lines are formed, and is provided on the inside of each pair of data line
Two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly；In a frame, along data line direction, according to first
Predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；Along scanning line direction, according to
Two predetermined spaces, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；
Wherein, which comprises
Obtain raw pixel data；
The first driving voltage and the second driving voltage are generated according to the raw pixel data；
In a frame, first driving voltage or second driving voltage are loaded to the pixel along data line direction
Matrix.
Each sub-pixel in the raw pixel data, that is, picture element matrix corresponds to the specific pixel value of display in each frame,
The pixel value for being input to each sub-pixel is directly determined by the image data being input in TCON, is not carried out to raw pixel data
Processing, such mode are caused sub- picture element polarity to be easy to produce crosstalk by the polar influence of sub- picture element, and bright concealed wire etc. is negatively imitated
It answers.
Low colour cast picture element matrix driving method of the invention passes through several data for forming several adjacent two datas lines
Line pair, each pair of data line inside is provided with two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly, so that
Do not increase in the case that panel power additionally consumes, realizes the display effect of 8-Domain low colour cast.
For the driving framework of this implementation, Fig. 2 is referred to, Fig. 2 is a kind of low colour cast picture provided in an embodiment of the present invention
Prime matrix drives configuration diagram, and for 8 × 12, i.e., sub-pixel is arranged including 8 rows 12.It is right in order to more easily be described
Each sub-pixel is marked, and is Anm and the first row first row sub-pixel for A11 with Nth row m column sub-pixel.
Data line D1, D2 are a data line pair, and D3, D4 are a data line pair, and so on.
Two sub-pixels, and D1 connexon pixel A 11, D2 connexon pixel A 12, this side are provided between D1, D2
Formula is with the first driving method on-load voltage to sub-pixel, and every data line of data line centering is adjacent to data line inside
Sub-pixel on-load voltage.
Two sub-pixels, and D3 connexon pixel A 14, D4 connexon pixel A 13, this side are provided between D3, D4
Formula is with the second driving method on-load voltage to sub-pixel, and every data line of data line centering is to data line inside not phase
Adjacent sub-pixel on-load voltage.
According to above-mentioned rule, in a frame, the present embodiment replaces along data line direction every two sub-pixels with first
Driving method or the second driving method on-load voltage are to sub-pixel, that is, at the first moment and the second moment with the first driving method
On-load voltage is to sub-pixel, at third moment and the 4th moment with the second driving method on-load voltage to sub-pixel, at the 5th
It carves and the 6th moment is with the first driving method on-load voltage to sub-pixel, at the 7th moment and the 8th moment with the second driving method
On-load voltage to sub-pixel, and so on.The first predetermined space is every two sub-pixels in the present embodiment.
The present embodiment replaces along scanning line direction every two sub-pixels with the first driving method or the second driving method
On-load voltage is to sub-pixel, that is, in synchronization, D1, D2 are with the first driving method on-load voltage to sub-pixel, and D3, D4 are with
To sub-pixel, D5, D6 are driven with the first driving method on-load voltage to sub-pixel, D7, D8 with second two driving method on-load voltages
Flowing mode on-load voltage to sub-pixel, and so on.In the present embodiment the second predetermined space be every two sub-pixels, with
Data line is exactly adjacent data line to alternately the first driving method of load and the second driving method for.
For the present embodiment, the polarity of adjacent two datas line is also checker, and in a frame, data line D1 adds
Positive polarity voltage is carried, data line D2 loads reverse voltage, and data line D3 loads positive polarity voltage, and data line D4 loads negative polarity
Voltage, and so on, along data line direction, although being all constant in an intraframe data line polarity, and correspond to of the invention
Framework is driven, the voltage being loaded on the sub-pixel of each column is that the reversion of every two sub-pixel polarity is primary, to realize
2-Line reversion, the sub-pixel polarity of each column are two just two negative circulations.
Likewise, along scanning line direction, although data line polarity is column inversion, and is corresponded to of the invention in a frame
Framework is driven, the voltage being loaded on the sub-pixel of every a line is that the reversion of every two sub-pixel polarity is primary, to realize
2-Line reversion, the sub-pixel polarity of every a line are two just two negative circulations.
In a specific embodiment, with the first driving method on-load voltage to sub-pixel, comprising:
The first driving voltage is generated according to the raw pixel data and the second driving voltage includes:
The first luma data and the second luma data are obtained according to the raw pixel data；
According to first luma data and second luma data, generates and correspond to the of first luma data
One driving voltage, and the second driving voltage corresponding to second luma data.
In a specific embodiment, the first luma data and the second gray number are obtained according to the raw pixel data
According to, comprising:
The original pixel value of each location of pixels is obtained according to the raw pixel data, it will be every according to intended conversion mode
The original pixel value of a location of pixels is converted to first luma data or second luma data.
By handling raw pixel data, further first luma data and the second luma data are obtained, and
It is different from the pixel gray level of the second luma data to make the first luma data, so between different pixels or between different frame according to
Certain arrangement pitch is loaded on corresponding sub-pixel, and this embodiment scheme can generate two groups of different grayscale, right respectively
Different sub-pixels should be arrived, can be avoided the influence that the voltage being loaded on sub-pixel is inverted by polarity in this way,
So as to avoid crosstalk, the generation of bright concealed wire.
In specific example, the first luma data is considered that high gray data, the second luma data are considered low ash order
According to corresponding, the voltage swing being input on sub-pixel is determined by grayscale, generates the corresponding high gray electricity of high gray data
Pressure, i.e. the first driving voltage；Corresponding low gray scale voltage, i.e. the second driving voltage with low luma data, it is worth mentioning at this point that, on
Stating high gray and low ash rank indicates the relative value of two groups of grayscale sizes, does not limit the size of its numerical value individually.
Rule according to the invention is corresponding to each location of pixels grayscale to be shown determine after, sequence controller is by the picture
The original gray-scale correspondence of plain position is adjusted to high gray or low ash rank, and the data-driven list that grayscale value adjusted is sent
Member, number driving unit export corresponding voltage according to the grayscale value.
For example, the original pixel value of location A is 128 grayscale, if above-mentioned rule according to the present invention, location A should export
High gray, i.e. H, by calculating, in this example, 128 H=138 grayscale value then exports 138 grayscale to location A, and data are driven
Moving cell receives 138 grayscale, and according to set transformation rule, the corresponding voltage 10V of 138 grayscale finally exports location A
The voltage signal of 10V.In general, height grayscale adjusting range corresponds to determination by the difference of the materials such as liquid crystal.
It for another example says, the original pixel value of B location is 128 grayscale, if above-mentioned rule according to the present invention, B location should
Low ash rank is exported, i.e. L, by calculating, in this example, 128 L=118 grayscale value then exports 118 grayscale, number to B location
118 grayscale are received according to driving unit, according to set transformation rule, 118 grayscale corresponding voltage 8V is finally defeated to B location
The voltage signal of 8V out.
Specific to the framework of the present embodiment, Fig. 3 is referred to, Fig. 3 is a kind of low colour cast pixel provided in an embodiment of the present invention
Matrix pixel display schematic diagram.It is described as follows:
The first moment in a frame loads scanning signal on the first horizontal scanning line G1, and on the second data line D1
The corresponding voltage of LN (negative polarity low ash rank) is loaded to pixel A 12, loads HN (negative polarity high gray) on the 4th data line D4
Corresponding voltage is to pixel A 13, according to above-mentioned rule, loads corresponding polarity and gray scale voltage to other pixels of the first row；
At subsequent time (i.e. the second moment), scanning signal is loaded on the second horizontal scanning line G2, and in the first data line
The corresponding voltage of HP (positive polarity high gray) is loaded on D1 to pixel A 11, is loaded the corresponding voltage of HN on the second data line D2 and is arrived
Pixel A 22 loads the corresponding voltage of LP (positive polarity low ash rank) to pixel A 14, in the 4th data line on third data line D3
The corresponding voltage of LN is loaded on D4 to pixel A 23, according to above-mentioned rule, loads corresponding polarity and ash to other pixels of the second row
Rank voltage；
At subsequent time (i.e. third moment), scanning signal is loaded on third horizontal scanning line G3, and in the first data line
D1 loads the corresponding voltage of LP to pixel A 21, loads the corresponding voltage of HN to pixel A 31, in third number on the second data line D2
According to the corresponding voltage of HP is loaded on line D3 to pixel A 24, the corresponding voltage of LN is loaded on the 4th data line D4 to pixel A 34,
According to above-mentioned rule, corresponding polarity and gray scale voltage are loaded to other pixels of the third line；
At subsequent time (i.e. the 4th moment), scanning signal is loaded on fourth line scan line G4, and and the first number
The corresponding voltage of LP is loaded to pixel A 32 according to line D1, loads the corresponding voltage of LN to pixel A 41, on the second data line D2
The corresponding voltage of HP is loaded on three data line D3 to pixel A 33, and the corresponding voltage of HN is loaded on the 4th data line D4 to pixel
A44 loads corresponding polarity and gray scale voltage to other pixels of fourth line according to above-mentioned rule；
At subsequent time (i.e. the 5th moment), scanning signal is loaded on fifth line scan line G5, and in the first data line
D1 loads the corresponding voltage of HP to pixel A 42, loads the corresponding voltage of LN to pixel A 52, in third number on the second data line D2
According to the corresponding voltage of LP is loaded on line D3 to pixel A 43, the corresponding voltage of HN is loaded on the 4th data line D4 to pixel A 53,
According to above-mentioned rule, corresponding polarity and gray scale voltage are loaded to other pixels of fifth line；
The voltage-drop loading situations inscribed when the present embodiment lists first 5 scanning, other sub-pixels and other moment according to
Above-mentioned rule successively carries out the load of corresponding voltage.That is, the minimum unit of CYCLIC LOADING be 4 × 4 sub-pixels, the 6th
The voltage-drop loading situation at moment can refer to the voltage-drop loading situation at the second moment.
Using above embodiment of the invention, pass through positive and negative polar voltages of load alternately and high and low gray scale voltage
To picture element matrix, side visibility can be improved, influence the pixel in picture element matrix by polar, improve crosstalk, bright
The problems such as concealed wire, promotes display effect.
Embodiment two
Fig. 4 is referred to, Fig. 4 is that a kind of low colour cast picture element matrix that further embodiment of this invention provides drives framework signal
Figure, for 8 × 12, i.e., sub-pixel is arranged including 8 rows 12.In order to more easily be described, each sub-pixel is marked,
It is Anm and the first row first row sub-pixel for A11 with Nth row m column sub-pixel.
Data line D1, D2 are a data line pair, and D3, D4 are a data line pair, and so on.
Two sub-pixels, and D1 connexon pixel A 11, D2 connexon pixel A 12, this side are provided between D1, D2
Formula is with the first driving method on-load voltage to sub-pixel, and every data line of data line centering is adjacent to data line inside
Sub-pixel on-load voltage.
Two sub-pixels, and D5 connexon pixel A 16, D6 connexon pixel A 15, this side are provided between D5, D6
Formula is with the second driving method on-load voltage to sub-pixel, and every data line of data line centering is to data line inside not phase
Adjacent sub-pixel on-load voltage.
According to above-mentioned rule, in a frame, the present embodiment replaces along data line direction every two sub-pixels with first
Driving method or the second driving method on-load voltage are added to sub-pixel at the first moment and the second moment with the first driving method
Voltage is carried to sub-pixel, at third moment and the 4th moment with the second driving method on-load voltage to sub-pixel, at the 5th moment
With the 6th moment with the first driving method on-load voltage to sub-pixel, added at the 7th moment and the 8th moment with the second driving method
Voltage is carried to sub-pixel, and so on.The first predetermined space is every two sub-pixels in the present embodiment.
The present embodiment replaces along scanning line direction every four sub-pixels with the first driving method or the second driving method
On-load voltage is to sub-pixel, that is, in synchronization, D1, D2, D3, D4 with the first driving method on-load voltage to sub-pixel, D5,
D6, D7, D8 with the second driving method on-load voltage to sub-pixel, and so on.The second predetermined space is in the present embodiment
Every four sub-pixels, for, to be exactly that adjacent two datas line drives alternately the first driving method of load and second according to line
Flowing mode.
For the present embodiment, the polarity of adjacent two datas line is also checker, and in a frame, data line D1 adds
Positive polarity voltage is carried, data line D2 loads reverse voltage, and data line D3 loads positive polarity voltage, and data line D4 loads negative polarity
Voltage, and so on, along data line direction, although being all constant in an intraframe data line polarity, and correspond to of the invention
Framework is driven, the voltage being loaded on the sub-pixel of each column is that the reversion of every two sub-pixel polarity is primary, to realize
2-Line reversion, the sub-pixel polarity of each column are two just two negative circulations.
Likewise, along scanning line direction, although data line polarity is column inversion, and is corresponded to of the invention in a frame
Framework is driven, the voltage being loaded on the sub-pixel of every a line is the reversion of sub-pixel alternating polarity, also, the sub- picture of every a line
Just, and the reversion of every four sub-pixel positive-negative polarities is primary for plain one negative one of polarity, i.e. ,+-+--+- ++ -+--+-+.
Specific to the framework of the present embodiment, Fig. 5 is referred to, Fig. 3 is a kind of low colour cast that further embodiment of this invention provides
Picture element matrix pixel display schematic diagram.It is described as follows:
The first moment in a frame loads scanning signal on the first horizontal scanning line G1, and on the second data line D2
The corresponding voltage of LN is loaded to pixel A 12, loads the corresponding voltage of LN to pixel A 14, in the 6th data on the 4th data line D4
The corresponding voltage of HN is loaded on line D6 to pixel A 15, loaded on the 8th data line D8 the corresponding voltage of HN to pixel A 17 according to
Above-mentioned rule loads corresponding polarity and gray scale voltage to other pixels of the first row；
At subsequent time (i.e. the second moment), scanning signal is loaded on the second horizontal scanning line G2, and in the first data line
The corresponding voltage of HP is loaded on D1 to pixel A 11, loads the corresponding voltage of HN to pixel A 22, third number on the second data line D2
According to the corresponding voltage of HP is loaded on line D3 to pixel A 13, the corresponding voltage of HN is loaded to pixel A 24, In on the 4th data line D4
The corresponding voltage of LP is loaded on 5th data line D5 to pixel A 16, and the corresponding voltage of LN is loaded on the 6th data line D6 to picture
Plain A25 loads the corresponding voltage of LP to pixel A 18 on the 7th data line D7, it is corresponding that LN is loaded on the 8th data line D8
Voltage is to pixel A 27, according to above-mentioned rule, loads corresponding polarity and gray scale voltage to other pixels of the second row；
At subsequent time (i.e. third moment), scanning signal is loaded on third horizontal scanning line G3, and in the first data line
D1 loads the corresponding voltage of LP to pixel A 21, loads the corresponding voltage of HN to pixel A 31, third data on the second data line D2
Line D3 loads the corresponding voltage of LP to pixel A 23, loads the corresponding voltage of HN to pixel A 33, the 5th on the 4th data line D4
The corresponding voltage of HP is loaded on data line D5 to pixel A 26, and the corresponding voltage of LN is loaded on the 6th data line D6 to pixel
A36 loads the corresponding voltage of HP to pixel A 28 on the 7th data line D7, the corresponding electricity of LN is loaded on the 6th data line D6
It is pressed onto pixel A 38, according to above-mentioned rule, loads corresponding polarity and gray scale voltage to other pixels of the third line；
At subsequent time (i.e. the 4th moment), scanning signal is loaded on fourth line scan line G4, and in the first data line
D1 loads the corresponding voltage of LP to pixel A 32, loads the corresponding voltage of LN to pixel A 41, third data on the second data line D2
Line D3 loads the corresponding voltage of LP to pixel A 34, loads the corresponding voltage of LN to pixel A 43, the 5th on the 4th data line D4
The corresponding voltage of HP is loaded on data line D5 to pixel A 35, and the corresponding voltage of HN is loaded on the 6th data line D6 to pixel
A46 loads the corresponding voltage of HP to pixel A 37 on the 7th data line D7, the corresponding electricity of HN is loaded on the 8th data line D8
It is pressed onto pixel A 48, according to above-mentioned rule, loads corresponding polarity and gray scale voltage to other pixels of fourth line；
At subsequent time (i.e. the 5th moment), scanning signal is loaded on fifth line scan line G5, and and the first number
The corresponding voltage of HP is loaded to pixel A 42 according to line D1, loads the corresponding voltage of LN to pixel A 52, on the second data line D2
Three data line D3 load the corresponding voltage of HP to pixel A 44, the corresponding voltage of LN are loaded on the 4th data line D4 to pixel A 54,
The corresponding voltage of LP is loaded on the 5th data line D5 to pixel A 45, and the corresponding voltage of HN is loaded on the 6th data line D6 and is arrived
Pixel A 55 loads the corresponding voltage of LP to pixel A 47 on the 7th data line D7, it is corresponding that HN is loaded on the 8th data line D8
Voltage to pixel A 57, according to above-mentioned rule, load corresponding polarity and gray scale voltage to other pixels of fifth line.
The voltage-drop loading situations inscribed when the present embodiment lists first 5 scanning, other sub-pixels and other moment according to
Above-mentioned rule successively carries out the load of corresponding voltage.That is, the minimum unit of CYCLIC LOADING be 4 × 8 sub-pixels, the 6th
The voltage-drop loading situation at moment can refer to the voltage-drop loading situation at the second moment.
Using above embodiment of the invention, pass through positive and negative polar voltages of load alternately and high and low gray scale voltage
To picture element matrix, side visibility can be improved, influence the pixel in picture element matrix by polar, improve crosstalk, bright
The problems such as concealed wire, promotes display effect.
Embodiment three
Present invention simultaneously provides a kind of low colour cast picture element matrix driving device, Fig. 6 is referred to, including sequence controller 61,
Data drive unit 62, scan drive cell 63, picture element matrix 64, the picture element matrix 64 include several adjacent two datas lines
Several data lines formed are provided with two sub-pixels 66 on the inside of each pair of data line 65 to 65, and corresponding one inwardly
Sub-pixel on-load voltage；In a frame, along data line direction, according to the first predetermined space, alternately with the first driving method or the
Two driving method on-load voltages are to sub-pixel；Along scanning line direction, according to the second predetermined space, alternately with the first driving method or
Second driving method on-load voltage is to sub-pixel；
The sequence controller 61 forms the first grayscale for obtaining raw pixel data, according to the raw pixel data
Data and the second luma data export first luma data and second luma data to the data drive unit
62；
The data drive unit 62 is used to generate the first driving voltage according to first luma data, and according to institute
It states the second luma data and generates the second driving voltage；And in a frame, first driving voltage is loaded along data line direction
Or second driving voltage is to the picture element matrix 64.
In a specific embodiment, the data drive unit 62 is also used to control every data line of data line centering
Adjacent subpixels on-load voltage on the inside of to the data line.
In a specific embodiment, the data drive unit 62 is also used to control every data line of data line centering
Non-conterminous sub-pixel on-load voltage on the inside of to the data line.
In a specific embodiment, the sequence controller 61 is specifically used for: being obtained according to the raw pixel data
The original pixel value of each location of pixels is converted to first according to intended conversion mode by the original pixel value of each location of pixels
Luma data or the second luma data.
Low colour cast picture element matrix driving device of the invention passes through several data for forming several adjacent two datas lines
Line pair, each pair of data line inside is provided with two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly, so that
Do not increase in the case that panel power additionally consumes, realizes the display effect of 8-Domain low colour cast.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, In
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of low colour cast picture element matrix driving method, which is characterized in that formed including several adjacent two datas lines several
Data line pair, each pair of data line inside is provided with two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly；In
In one frame, along data line direction, according to the first predetermined space, alternately with the first driving method or the second driving method on-load voltage
To sub-pixel；Along scanning line direction, according to the second predetermined space, alternately with the first driving method or the second driving method load electricity
It is pressed onto sub-pixel；
Wherein, which comprises
Obtain raw pixel data；
The first driving voltage and the second driving voltage are generated according to the raw pixel data；
In a frame, first driving voltage or second driving voltage are loaded to the pixel square along data line direction
Battle array.
2. low colour cast picture element matrix driving method according to claim 1, which is characterized in that with the load of the first driving method
Voltage is to sub-pixel, comprising:
Every data line of data line centering is controlled to adjacent subpixels on-load voltage on the inside of the data line.
3. low colour cast picture element matrix driving method according to claim 1, which is characterized in that with the load of the second driving method
Voltage is to sub-pixel, comprising:
Every data line of data line centering is controlled to sub-pixel on-load voltage non-conterminous on the inside of the data line.
4. low colour cast picture element matrix driving method according to claim 1, which is characterized in that with the load of the first driving method
Voltage is to sub-pixel, comprising:
The first driving voltage is generated according to the raw pixel data and the second driving voltage includes:
The first luma data and the second luma data are obtained according to the raw pixel data；
According to first luma data and second luma data, the first drive for corresponding to first luma data is generated
Dynamic voltage, and the second driving voltage corresponding to second luma data.
5. picture element matrix driving method according to claim 4, which is characterized in that obtained according to the raw pixel data
First luma data and the second luma data, comprising:
The original pixel value of each location of pixels is obtained according to the raw pixel data, according to intended conversion mode by each picture
The original pixel value of plain position is converted to first luma data or second luma data.
6. a kind of low colour cast picture element matrix driving device, including sequence controller, data drive unit, scan drive cell, as
Prime matrix, which is characterized in that the picture element matrix includes several data lines pair that several adjacent two datas lines are formed, every logarithm
Line inside is provided with two sub-pixels, and a corresponding sub-pixel on-load voltage inwardly；In a frame, along data line
Direction, according to the first predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；Along scanning
Line direction, according to the second predetermined space, alternately with the first driving method or the second driving method on-load voltage to sub-pixel；
The sequence controller for obtaining raw pixel data, according to the raw pixel data formed the first luma data and
Second luma data exports first luma data and second luma data to the data drive unit；
The data drive unit is used to generate the first driving voltage according to first luma data, and according to described second
Luma data generates the second driving voltage；And in a frame, first driving voltage or described is loaded along data line direction
Second driving voltage is to the picture element matrix.
7. low colour cast picture element matrix driving device according to claim 6, which is characterized in that
The data drive unit is also used to control every data line of data line centering to adjacent subpixels on the inside of the data line
On-load voltage.
8. low colour cast picture element matrix driving device according to claim 6, which is characterized in that
The data drive unit is also used to control every data line of data line centering to non-conterminous sub- picture on the inside of the data line
Plain on-load voltage.
9. low colour cast picture element matrix driving device according to claim 6, which is characterized in that
The sequence controller is specifically used for: the original pixel value of each location of pixels is obtained according to the raw pixel data,
The original pixel value of each location of pixels is converted into the first luma data or the second luma data according to intended conversion mode.
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| CN201810403846.8A CN110415656A (en) | 2018-04-28 | 2018-04-28 | A kind of low colour cast picture element matrix driving method and device |
| US16/291,742 US11017709B2 (en) | 2018-03-02 | 2019-03-04 | Driving method for pixel matrix and display device |
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| CN201810403846.8A CN110415656A (en) | 2018-04-28 | 2018-04-28 | A kind of low colour cast picture element matrix driving method and device |
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Application publication date: 20191105 |