CN109949761B - Pixel matrix driving method and display device - Google Patents
Pixel matrix driving method and display device Download PDFInfo
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- CN109949761B CN109949761B CN201711392507.6A CN201711392507A CN109949761B CN 109949761 B CN109949761 B CN 109949761B CN 201711392507 A CN201711392507 A CN 201711392507A CN 109949761 B CN109949761 B CN 109949761B
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Abstract
The invention discloses a pixel matrix driving method, wherein a pixel matrix comprises a plurality of sub-pixels which are arranged in a matrix, the polarity of each four sub-pixels is exchanged along the voltage loaded by a data line, and any one column of data lines controls the voltage input of one sub-pixel at the two sides of the data line, wherein the method comprises the following steps: receiving image data, and acquiring original pixel data according to the image data; generating a first driving voltage and a second driving voltage according to the original pixel data; and in one frame, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line. The invention avoids crosstalk bright and dark lines and improves the display effect.
Description
Technical Field
The invention belongs to the field of pixel matrix display, and particularly relates to a pixel matrix driving method and a display device.
Background
VA type liquid crystal panels are widely used in current display products, and at present, VA type panels are mainly classified into two types, one is MVA (Multi-domain Vertical Alignment) type, and the other is PVA (Patterned Vertical Alignment) type. The MVA technique is based on the addition of protrusions to form multiple viewing zones. The liquid crystal molecules are not completely vertically aligned in a static state, and are horizontally aligned after a voltage is applied, so that light can pass through the layers. PVA is a vertical image adjustment technology, which directly changes the structure of the liquid crystal cell, greatly improves the display performance, and can obtain a luminance output and contrast ratio superior to MVA.
However, in the conventional 4-domain VA technology, the VA-mode lcd panel is configured to easily generate color shift (color washout) at a large viewing angle as the viewing angle is adjusted, so that the displayed image is easily distorted, and particularly, the appearance of the skin color of a person tends to be bluish or bright white, and referring to fig. 1, the color shift is more serious as the viewing angle is increased (0 °, 45 °, and 60 °), and the arrangement of the 4-domain is affected by the polarity of the sub-pixels, thereby causing the problems of crosstalk and bright and dark lines, and the display effect is poor.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a pixel matrix driving method and a display device for solving the color shift phenomenon and improving the display effect.
An embodiment of the present invention provides a pixel matrix driving method, where the pixel matrix includes a plurality of subpixels arranged in a matrix, a polarity of a voltage applied along a data line is switched every four subpixels, a voltage applied to any one column of data lines controls a voltage input of one subpixel on both sides thereof, a polarity of a voltage applied to a subpixel is switched every two subpixels along the data line direction, and a polarity of a voltage applied to a subpixel is switched every two subpixels along a scan line direction, where the method includes:
receiving image data, and acquiring original pixel data according to the image data;
receiving image data, and acquiring original pixel data according to the image data;
generating a first driving voltage and a second driving voltage according to the original pixel data;
and in one frame, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line.
In a specific embodiment, generating a first driving voltage and a second driving voltage from the original pixel data includes:
obtaining first gray scale data and second gray scale data according to the original pixel data;
and generating a first driving voltage corresponding to the first gray scale data and a second driving voltage corresponding to the second gray scale data according to the first gray scale data and the second gray scale data.
In one embodiment, obtaining the first gray scale data and the second gray scale data according to the original pixel data comprises:
and obtaining an original pixel value of each pixel position according to the original pixel data, and converting the original pixel value of each pixel position into the first gray scale data or the second gray scale data according to a preset conversion mode.
In a specific embodiment, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line includes:
and alternately loading the first driving voltage and the second driving voltage to every two sub-pixels along the data line pair.
In a specific embodiment, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line includes:
and alternately loading the first driving voltage and the second driving voltage to every four sub-pixels along the data line pair.
In a specific embodiment, generating the first driving voltage and the second driving voltage according to the original pixel data comprises:
obtaining an original data driving signal of each pixel position according to the original pixel data;
and obtaining a first driving voltage and a second driving voltage according to the original data driving signal.
In a specific embodiment, obtaining the first driving voltage and the second driving voltage according to the original data driving signal includes:
obtaining an original gray-scale value of a corresponding pixel position according to the original data driving signal;
and converting the original gray-scale value of the corresponding pixel position into a first driving voltage or a second driving voltage according to a preset conversion rule.
In a specific embodiment, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line includes:
and alternately loading the first driving voltage and the second driving voltage to every two sub-pixels along the data line pair.
In a specific embodiment, loading the first driving voltage or the second driving voltage to the pixel matrix along a data line includes:
and alternately loading the first driving voltage and the second driving voltage to every four sub-pixels along the data line pair.
The invention discloses a display device, which comprises a time schedule controller, a data driving unit, a scanning driving unit and a pixel matrix, wherein in the pixel matrix, the polarity of the voltage loaded along a data line is exchanged once every four sub-pixels, any one column of data lines controls the voltage input of one sub-pixel at two sides of the data line, the voltage applied to the sub-pixels along the direction of the data lines is the polarity exchanged once every two sub-pixels, the voltage applied to the sub-pixels along the direction of the scanning lines is the polarity exchanged once every two sub-pixels, the time schedule controller is respectively connected with the data driving unit and the scanning driving unit, and the data driving unit and the scanning driving unit are both connected with the pixel matrix;
the time sequence controller is used for forming first gray scale data and second gray scale data according to the original pixel data and outputting the first gray scale data and the second gray scale data to the data driving unit;
the data driving unit is used for generating a first driving voltage according to the first gray scale data and generating a second driving voltage according to the second gray scale data; and loading the first driving voltage or the second driving voltage to the pixel matrix along a data line direction within a frame.
In a specific embodiment, the timing controller is specifically configured to: and obtaining an original pixel value of each pixel position according to the original pixel data, and converting the original pixel value of each pixel position into first gray scale data or second gray scale data according to a preset conversion mode.
In a specific embodiment, the data driving unit is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to adjacent sub-pixels along the direction of a scanning line.
In a specific embodiment, the data driving unit is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
In a specific embodiment, the data driving unit is further configured to alternately load the first driving voltage and the second driving voltage to every two adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
The invention discloses a display device, which comprises a time schedule controller, a data driving unit, a scanning driving unit and a pixel matrix, wherein the polarity of the voltage loaded along a data line is exchanged once every four sub-pixels, the voltage input of one sub-pixel at two sides of any one column of data line is controlled by the data line, the polarity of the voltage applied to the sub-pixels is exchanged once every two sub-pixels along the direction of the data line, and the polarity of the voltage applied to the sub-pixels is exchanged once every two sub-pixels along the direction of the scanning line; the time sequence controller is connected with the data driving unit and the scanning driving unit, and the data driving unit and the scanning driving unit are both connected with the pixel matrix;
the time sequence controller is used for obtaining an original data driving signal according to the original pixel data;
the data driving unit is used for generating a first driving voltage and a second driving voltage according to the original data driving signal; and in one frame, the data driving unit is further configured to load the first driving voltage or the second driving voltage to the pixel matrix along a data line direction.
In a specific embodiment, the data driving unit is further configured to obtain an original gray-scale value of a corresponding pixel position according to the original data driving signal; and converting the original gray-scale value of the corresponding pixel position into a first driving voltage or a second driving voltage according to a preset conversion rule.
In a specific embodiment, the data driving unit is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to adjacent sub-pixels along the direction of a scanning line.
In a specific embodiment, the data driving unit is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
In a specific embodiment, the data driving unit is further configured to alternately load the first driving voltage and the second driving voltage to every two adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
Compared with the prior art, the invention has the beneficial effects that:
the pixel matrix driving method provided by the invention has the advantages that the pixels in the pixel matrix are not influenced by polarity by matching the high gray scale voltage and the low gray scale voltage reasonably, the problems of crosstalk, bright and dark lines and the like are avoided, and the display effect is improved.
Drawings
FIG. 1 is a schematic diagram illustrating the variation of viewing angle with gray scale in the prior art;
fig. 2 is a flowchart of a pixel matrix driving method according to an embodiment of the invention;
FIG. 3 is a flow chart of another pixel matrix driving method according to an embodiment of the invention;
FIG. 4 is a schematic view of polarity loading of a pixel matrix according to an embodiment of the present invention;
FIG. 5 is a schematic view of gray scale loading of a pixel matrix according to an embodiment of the present invention;
FIG. 6 is a schematic view of gray scale loading of another pixel matrix according to an embodiment of the present invention;
FIG. 7 is a schematic view of gray scale loading of a pixel matrix according to another embodiment of the present invention;
FIG. 8 is a flowchart illustrating a pixel matrix driving method according to another embodiment of the present invention;
FIG. 9 is a schematic diagram of a sub-pixel region according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of another sub-pixel region according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of another sub-pixel region according to an embodiment of the present invention;
FIG. 12 is a schematic diagram illustrating a driving method of a pixel matrix according to an embodiment of the invention;
FIG. 13 is a schematic view of one embodiment of the drive of FIG. 12;
FIG. 14 is a schematic view of another embodiment of the drive of FIG. 12;
FIG. 15 is a schematic view of another embodiment of the driving scheme of FIG. 12;
fig. 16 is a schematic view of a display device according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.
Example one
Referring to fig. 2, fig. 2 is a flowchart of a pixel matrix driving method according to an embodiment of the invention. The pixel matrix driving method is suitable for displays currently having pixel arrays, such as LCD displays, LED displays, OLED displays, and the like.
Furthermore, the pixel matrix comprises a plurality of sub-pixels which are arranged in a matrix, the polarity of the voltage loaded along the data line is exchanged every four sub-pixels, the voltage input of one sub-pixel at two sides of any one column of data lines is controlled, the voltage applied to the sub-pixels is exchanged every two sub-pixels along the direction of the data lines, and the voltage applied to the sub-pixels is exchanged every two sub-pixels along the direction of the scanning lines; specifically, for the sub-pixel polarity, the polarity is inverted by 2N in both the scanning line direction and the data line direction, and the polarity inversion method of the data line is 4N.
Specifically, referring to fig. 3, the method may include the following steps:
and 4, loading the first driving voltage or the second driving voltage to the pixel matrix along the direction of a data line in one frame.
In the prior art, the original pixel data, that is, a specific pixel value displayed by each sub-pixel in a pixel matrix in each frame correspondingly, the pixel value input to each sub-pixel is directly determined by the image data input to the TCON without processing the original pixel data, which is affected by the polarity of the sub-pixels, and thus, the polarity of the sub-pixels is easily subjected to crosstalk, bright and dark lines and other negative effects.
In this embodiment, the original pixel data is processed to obtain further first gray scale data and second gray scale data, and the pixel gray scales of the first gray scale data and the second gray scale data are different, and then the first gray scale data and the second gray scale data are loaded onto the corresponding sub-pixels at certain arrangement intervals between different pixels or different frames.
In a specific example, the first gray scale data is regarded as high gray scale data, the second gray scale data is regarded as low gray scale data, and correspondingly, the voltage magnitude input to the sub-pixel is determined by the gray scale, and a high gray scale voltage corresponding to the high gray scale data, namely, a first driving voltage is generated; it should be noted that the low gray scale voltage corresponding to the low gray scale data, i.e. the second driving voltage, represents the relative values of the two gray scales, and the values are not limited separately.
Referring to fig. 4, fig. 4 is a schematic view illustrating polarity loading of a pixel matrix according to an embodiment of the invention. Two consecutive sub-pixels have the same polarity when viewed from a certain row, the polarity of the next two consecutive sub-pixels is opposite to that of the first two sub-pixels, the polarity of the next two consecutive sub-pixels is identical to that of the first two sub-pixels when viewed from a certain column, and the like, wherein the voltages applied to the sub-pixels are inverted every two sub-pixels along the scanning line direction, the voltages applied to the sub-pixels are inverted every two sub-pixels along the data line direction, P represents a positive voltage, N represents a negative voltage in fig. 4, the polarity inversion can be represented as PPNN … PPNN or NNPP … NNPP when viewed from a certain column, and the polarity inversion can be represented as PPNN … PPNN or NNPP … NNPP when viewed from a certain row.
In one embodiment, obtaining the first gray scale data and the second gray scale data according to the original pixel data comprises: and obtaining an original pixel value of each pixel position according to the original pixel data, and converting the original pixel value of each pixel position into first gray scale data or second gray scale data according to a preset conversion mode.
After the gray scale to be displayed at each pixel position is correspondingly determined according to the rule of the invention, the time schedule controller correspondingly adjusts the original gray scale of the pixel position into a high gray scale or a low gray scale and sends the adjusted gray scale value to the data driving unit, and the data driving unit outputs corresponding voltage according to the gray scale value.
For example, if the original pixel value at the a position is 128 gray, and the a position should output a high gray, i.e. H, according to the above rule of the present invention, after calculation, in this example, H of 128 is 138 gray, 138 gray is output to the a position, the data driving unit receives 138 gray, and according to the predetermined conversion rule, the voltage corresponding to 138 gray is 10V, and finally the voltage signal of 10V is output to the a position. Generally, the high-low gray scale adjustment range is determined according to the material of the liquid crystal or the like.
For example, if the original pixel value at the B position is 128 gray, and the B position should output a low gray, i.e., L, according to the above rule of the present invention, the calculation is performed, in this example, if L of 128 is 118 gray, 118 gray is output to the B position, the data driving unit receives 118 gray, and according to the predetermined conversion rule, the voltage corresponding to 118 gray is 8V, and finally the voltage signal of 8V is output to the B position.
In a specific embodiment, the applying the first driving voltage or the second driving voltage to the pixel matrix along the data line direction includes:
alternately loading the first driving voltage or the second driving voltage to adjacent sub-pixels along a data line direction to the pixel matrix;
and alternately loading the first driving voltage or the second driving voltage to the adjacent sub-pixels along the scanning line direction to the pixel matrix. Namely, the first driving voltage and the second driving voltage are alternately loaded to every two sub-pixels along the data line pair, and the gray levels of the sub-pixels adjacent to the two sides of the data line are different. The gray levels of the adjacent sub-pixels on the two sides of the data line are different, namely when the adjacent sub-pixel on the left side of the data line is H, the adjacent sub-pixel on the right side of the data line is L, and vice versa.
The pixel matrix is physically divided into a plurality of small blocks arranged in a matrix by a plurality of data lines and scanning lines which are communicated in an interlaced mode, and each small block is a sub-pixel.
Referring to the following example, please refer to fig. 5, wherein fig. 5 is a schematic view illustrating gray scale loading of a pixel matrix according to an embodiment of the invention. When viewed from a row, the gray scale voltages loaded to the sub-pixels are alternated, when viewed from a column, the gray scale voltages loaded to the sub-pixels are alternated, and so on, where H in fig. 5 represents a high gray scale voltage, L represents a low gray scale voltage, when viewed from a column, the gray scale transitions can be represented as HLHL … HLHL or LHLH … LHLH, and when viewed from a row, the gray scale transitions can be represented as HLHL … HLHL or LHLH … LHLH.
According to the driving method of the pixel matrix, the pixels in the pixel matrix are not influenced by polarity by matching the high gray scale voltage and the low gray scale voltage reasonably, the problems of crosstalk, bright and dark lines and the like are avoided, and the display effect is improved.
Example two
Referring to fig. 6, fig. 6 is a schematic view illustrating gray scale loading of another pixel matrix according to an embodiment of the invention. The loading the first driving voltage or the second driving voltage to the pixel matrix along a data line direction includes:
loading the first driving voltage and the second driving voltage to adjacent sub-pixels alternately along the direction of a data line, wherein the gray scales on the adjacent sub-pixels on the two sides of the data line are the same;
and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
The gray scales of the adjacent sub-pixels on both sides of the data line are the same, that is, when the adjacent sub-pixel on the left side of the data line is H, the adjacent sub-pixel on the right side of the data line is H, and vice versa.
The gray scale voltages loaded to two consecutive sub-pixels are the same from a certain column, the gray scale voltages loaded to the sub-pixels are alternately changed from the previous two, and so on, the gray scale voltages loaded to the sub-pixels are represented by H and the low gray scale voltages in fig. 6, the gray scale changes can be represented by HLHL … HLHL or LHLH … LHLH from a certain column, and the gray scale changes can be represented by HHLL … HHLL or LLHH … LLHH from a certain row.
According to the driving method of the pixel matrix, the pixels in the pixel matrix are not influenced by polarity by matching the high gray scale voltage and the low gray scale voltage reasonably, the problems of crosstalk, bright and dark lines and the like are avoided, and the display effect is improved.
Referring to the following example, please refer to fig. 7, wherein fig. 7 is a schematic view illustrating gray scale loading of a pixel matrix according to another embodiment of the present invention. The loading the first driving voltage or the second driving voltage to the pixel matrix along a data line direction includes:
loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels alternately along the direction of a data line, wherein the gray scales on the adjacent sub-pixels on the two sides of the data line are the same;
and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
The gray scales of the adjacent sub-pixels on both sides of the data line are the same, that is, when the adjacent sub-pixel on the left side of the data line is H, the adjacent sub-pixel on the right side of the data line is H, and vice versa. And alternately loading the first driving voltage and the second driving voltage to every four sub-pixels along the data line pair.
The gray scale voltages loaded to two consecutive sub-pixels are the same in a row, the gray scale voltages loaded to the two consecutive sub-pixels are different from the gray scale voltages loaded to the two consecutive sub-pixels in a column, the gray scale voltages loaded to the sub-pixels are alternately changed, and the like, wherein H in fig. 7 represents a high gray scale voltage, L represents a low gray scale voltage, the gray scale changes can be represented as HHLL … HHLL or LLHH … LLHH in a column, and the gray scale changes can be represented as HHLL … HHLL or LLHH … LLHH in a row.
According to the driving method of the pixel matrix, the pixels in the pixel matrix are not influenced by polarity by matching the high gray scale voltage and the low gray scale voltage reasonably, the problems of crosstalk, bright and dark lines and the like are avoided, and the display effect is improved.
EXAMPLE III
Referring to fig. 8, fig. 8 is a flowchart of another pixel matrix driving method according to an embodiment of the invention. The pixel matrix comprises a plurality of sub-pixels which are arranged in a matrix, the polarity of the voltage applied to the sub-pixels is reversed once every two sub-pixels along the direction of a data line, and the polarity of the voltage applied to the sub-pixels is reversed once every sub-pixel along the direction of a scanning line;
specifically, the method comprises the following steps:
and 4, loading the first driving voltage or the second driving voltage to the pixel matrix along the direction of a data line in one frame.
Alternately loading the first driving voltage or the second driving voltage to adjacent sub-pixels along a data line direction to the pixel matrix;
and alternately loading the first driving voltage or the second driving voltage to the adjacent sub-pixels along the scanning line direction to the pixel matrix.
Or in one frame, the first driving voltage and the second driving voltage are alternately loaded to adjacent sub-pixels along the direction of a data line, and the gray levels on the adjacent sub-pixels on the two sides of the data line are different;
and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
Or in one frame, the first driving voltage and the second driving voltage are alternately loaded to adjacent sub-pixels along the direction of a data line, and the gray scales on the adjacent sub-pixels on the two sides of the data line are the same;
and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
In one implementation, the present embodiment generates the driving signals for driving the sub-pixels by using two different sets of gammas (gammas) to generate the driving signals for driving the sub-pixels, so that the set of original data driving signals generate two sets of driving voltages under the action of different gammas, thereby implementing the driving control of the present invention. In a specific implementation of the embodiment, the Tcon outputs a set of gray scales, and the data driving circuit generates two sets of gammas, each set of gammas respectively driving different sub-pixels, thereby achieving the same technical effect as the embodiment.
In one embodiment, obtaining the first driving voltage and the second driving voltage according to the original data driving signal includes: the method comprises the steps of obtaining an original gray-scale value and a conversion rule of a corresponding pixel position according to an original data driving signal, and converting the original gray-scale value of the corresponding pixel position into a first driving voltage or a second driving voltage according to the conversion rule.
The method of the invention does not directly carry out gray scale conversion in the time sequence controller, and sends the original gray scale value and the conversion rule of the corresponding H or L to the data driving unit, and the data driving unit directly outputs the corresponding driving voltage according to the original gray scale value and the corresponding H or L according to the rule.
For example, in one embodiment, if the original pixel value at the a position is 128 gray levels, the a position is output 128 gray levels, and the a position is H according to the conversion rule, after the driving circuit receives the 128 gray levels, the corresponding voltage 10V is found in the voltage conversion table corresponding to the gray level of H, and finally the driving voltage signal of 10V is output to the a position.
For example, if the original pixel value at the B position is 128 gray levels, the B position is output 128 gray levels, and after the B position is the 128 gray levels received by the L driving circuit according to the conversion rule, the corresponding voltage 8V is found in the corresponding voltage conversion table corresponding to the gray level of L, and finally the data signal of 8V is output to the B position.
In the embodiment, the high gray scale voltage and the low gray scale voltage are reasonably matched, so that the pixels in the pixel matrix are not influenced by polarity, the problems of crosstalk, bright and dark lines and the like are avoided, and the display effect is improved.
Example four
In a specific embodiment, corresponding to one of the above solutions, in order to show the solution of the present invention more clearly, the pixel matrix includes a plurality of sub-pixel regions, each of the sub-pixel regions includes:
a first sub-pixel;
a second sub-pixel adjacent to the first sub-pixel along a scan line direction;
a third sub-pixel adjacent to the second sub-pixel along a scan line direction;
a fourth sub-pixel adjacent to the third sub-pixel along a scan line direction;
a fifth sub-pixel adjacent to the first sub-pixel in a data line direction;
a sixth subpixel adjacent to the second subpixel in a data line direction;
a seventh sub-pixel adjacent to the third sub-pixel in a data line direction;
an eighth subpixel adjacent to the fourth subpixel in a data line direction;
a first data line electrically connected to the first sub-pixel, the second sub-pixel, the fifth sub-pixel, and the sixth sub-pixel;
a second data line electrically connected to the third, fourth, seventh, and eighth sub-pixels;
the first scanning line is electrically connected with the first sub-pixel and the third sub-pixel;
the second scanning line is electrically connected with the second sub-pixel and the fourth sub-pixel;
a third scanning line electrically connected to the fifth sub-pixel and the seventh sub-pixel;
and the fourth scanning line is electrically connected with the sixth sub-pixel and the eighth sub-pixel.
Referring to fig. 9, fig. 9 is a schematic view of a sub-pixel region according to an embodiment of the invention. The region denoted by the symbol a is denoted as a sub-pixel region, each sub-pixel region includes eight sub-pixels, which are divided into two upper and lower rows of four sub-pixels, wherein the first pixel a1, the second pixel a2, the third pixel A3, and the fourth pixel a4 are in one row, and the fifth pixel a5, the sixth pixel a6, the seventh pixel a7, and the eighth pixel A8 are in the next row opposite to the upper row. The pixel matrix is sequentially filled with a number of sub-pixel regions. A first data line D1 electrically connected to the first sub-pixel a1, the second sub-pixel a2, the fifth sub-pixel a5, and the sixth sub-pixel a 6; a second data line D2 electrically connected to the third sub-pixel A3, the fourth sub-pixel a4, the seventh sub-pixel a7, and the eighth sub-pixel a 8; a first scan line G1 electrically connected to the first sub-pixel a1 and the third sub-pixel A3; a second scan line G2 electrically connected to the second sub-pixel a2 and the fourth sub-pixel a 4; a third scanning line G3 electrically connected to the fifth sub-pixel a5 and the seventh sub-pixel a 7; and a fourth scan line G4 electrically connected to the sixth sub-pixel a6 and the eighth sub-pixel a 8.
In one embodiment, the polarity of the voltages applied to the first pixel a1, the second pixel a2, the fifth pixel a5 and the sixth pixel a6 is the same, and is opposite to the polarity of the voltages applied to the third pixel A3, the fourth pixel a4, the seventh pixel a7 and the eighth pixel A8.
The gray levels of voltages applied to the first pixel a1, the third pixel A3, the sixth pixel a6 and the eighth pixel A8 are different from the gray levels of voltages applied to the second pixel a2, the fourth pixel a4, the fifth pixel a5 and the seventh pixel a 7.
According to the above matching relationship between the voltage polarity and the voltage gray scale loaded on the sub-pixel, a specific embodiment is shown, in one frame, a positive polarity high gray scale voltage, which can be denoted as HP, is loaded on the first pixel a 1; loading the second pixel a2 with a positive polarity low gray scale voltage, which may be denoted as LP; loading a negative polarity high grayscale voltage, denoted as HN, to the third pixel a 3; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said fourth pixel a 4; loading the fifth pixel a5 with a positive polarity low gray scale voltage, which may be denoted as LP; applying a positive polarity high grayscale voltage, which may be denoted as HP, to the sixth pixel a 6; -loading said seventh pixel a7 with a negative polarity low gray scale voltage, which may be denoted LN; the eighth pixel A8 is loaded with a negative polarity high grayscale voltage, which may be denoted as HN.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HP, LP, HN, LN, HP, LP, HN and LN … are circulated in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HP, LP, HN, LN, HP, LP, HN, LN … circulate in sequence.
Alternatively, a negative polarity high grayscale voltage, which may be denoted as HN, is applied to the first pixel a 1; loading the second pixel a2 with a negative polarity low gray scale voltage, which may be denoted as LN; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the third pixel a 3; loading the fourth pixel a4 with a positive polarity low gray scale voltage, which may be denoted as LP; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said fifth pixel a 5; loading a negative polarity high grayscale voltage, which may be denoted as HN, to the sixth pixel a 6; loading the seventh pixel a7 with a positive polarity low gray scale voltage, which may be denoted as LP; the eighth pixel A8 is loaded with a positive polarity high grayscale voltage, which may be denoted as HP.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HN, LN, HP, LP, HN, LN, HP and LP … are circulated in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HN, LN, HP, LP, HN, LN, HP, LP … cycle sequentially.
EXAMPLE five
In a specific embodiment, corresponding to one of the above solutions, in order to show the solution of the present invention more clearly, the pixel matrix includes a plurality of sub-pixel regions, each of the sub-pixel regions includes:
a first sub-pixel;
a second sub-pixel adjacent to the first sub-pixel along a scan line direction;
a third sub-pixel adjacent to the second sub-pixel along a scan line direction;
a fourth sub-pixel adjacent to the third sub-pixel along a scan line direction;
a fifth sub-pixel adjacent to the first sub-pixel in a data line direction;
a sixth subpixel adjacent to the second subpixel in a data line direction;
a seventh sub-pixel adjacent to the third sub-pixel in a data line direction;
an eighth subpixel adjacent to the fourth subpixel in a data line direction;
a first data line electrically connected to the first sub-pixel, the second sub-pixel, the fifth sub-pixel, and the sixth sub-pixel;
a second data line electrically connected to the third, fourth, seventh, and eighth sub-pixels;
the first scanning line is electrically connected with the first sub-pixel and the third sub-pixel;
the second scanning line is electrically connected with the second sub-pixel and the fourth sub-pixel;
a third scanning line electrically connected to the fifth sub-pixel and the seventh sub-pixel;
and the fourth scanning line is electrically connected with the sixth sub-pixel and the eighth sub-pixel.
Referring to fig. 10, fig. 10 is a schematic view of another sub-pixel region provided by the embodiment of the invention, in which the region denoted by the symbol a is denoted as a sub-pixel region, each sub-pixel region includes eight sub-pixels, which are divided into an upper row and a lower row, and each row includes four sub-pixels, wherein the first pixel a1, the second pixel a2, the third pixel A3, and the fourth pixel a4 are in a row, and the fifth pixel a5, the sixth pixel a6, the seventh pixel a7, and the eighth pixel A8 are in a row opposite to the upper row and the lower row. The pixel matrix is sequentially filled with a number of sub-pixel regions. A first data line D1 electrically connected to the first sub-pixel a1, the second sub-pixel a2, the fifth sub-pixel a5, and the sixth sub-pixel a 6; a second data line D2 electrically connected to the third sub-pixel A3, the fourth sub-pixel a4, the seventh sub-pixel a7, and the eighth sub-pixel a 8; a first scan line G1 electrically connected to the first sub-pixel a1 and the third sub-pixel A3; a second scan line G2 electrically connected to the second sub-pixel a2 and the fourth sub-pixel a 4; a third scanning line G3 electrically connected to the fifth sub-pixel a5 and the seventh sub-pixel a 7; and a fourth scan line G4 electrically connected to the sixth sub-pixel a6 and the eighth sub-pixel a 8.
In one embodiment, the polarity of the voltages applied to the first pixel a1, the second pixel a2, the fifth pixel a5 and the sixth pixel a6 is the same, and is opposite to the polarity of the voltages applied to the third pixel A3, the fourth pixel a4, the seventh pixel a7 and the eighth pixel A8.
The gray levels of voltages applied to the first pixel a1, the second pixel a2, the seventh pixel a7 and the eighth pixel A8 are different from the gray levels of voltages applied to the third pixel A3, the fourth pixel a4, the fifth pixel a5 and the sixth pixel a 6.
According to the above matching relationship between the voltage polarity and the voltage gray scale loaded on the sub-pixel, a specific embodiment is shown, in one frame, a positive polarity high gray scale voltage, which can be denoted as HP, is loaded on the first pixel a 1; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the second pixel a 2; -loading said third pixel a3 with a negative polarity low gray scale voltage, which may be denoted LN; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said fourth pixel a 4; loading the fifth pixel a5 with a positive polarity low gray scale voltage, which may be denoted as LP; loading the sixth pixel a6 with a positive polarity low gray scale voltage, which may be denoted as LP; loading a negative polarity high grayscale voltage, which may be denoted as HN, to the seventh pixel a 7; the eighth pixel A8 is loaded with a negative polarity high grayscale voltage, which may be denoted as HN.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HP, LP, HN, LN, HP, LP, HN and LN … are circulated in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HP, LN, HP, LN and LN … are circulated in sequence.
Alternatively, a negative polarity high grayscale voltage, which may be denoted as HN, is applied to the first pixel a 1; loading a negative polarity high grayscale voltage, denoted as HN, to the second pixel a 2; loading the third pixel a3 with a positive polarity low gray scale voltage, which may be denoted as LP; loading the fourth pixel a4 with a positive polarity low gray scale voltage, which may be denoted as LP; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said fifth pixel a 5; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said sixth pixel a 6; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the seventh pixel a 7; the eighth pixel A8 is loaded with a positive polarity high grayscale voltage, which may be denoted as HP.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HN, LN, HP, LP, HN, LN, HP and LP … are circulated in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HN, LP, HN, LP … cycle sequentially.
EXAMPLE six
In a specific embodiment, corresponding to one of the above solutions, in order to show the solution of the present invention more clearly, the pixel matrix includes a plurality of sub-pixel regions, each of the sub-pixel regions includes:
a first sub-pixel;
a second sub-pixel adjacent to the first sub-pixel along a scan line direction;
a third sub-pixel adjacent to the second sub-pixel along a scan line direction;
a fourth sub-pixel adjacent to the third sub-pixel along a scan line direction;
a fifth sub-pixel adjacent to the first sub-pixel in a data line direction;
a sixth subpixel adjacent to the second subpixel in a data line direction;
a seventh sub-pixel adjacent to the third sub-pixel in a data line direction;
an eighth subpixel adjacent to the fourth subpixel in a data line direction;
a first data line electrically connected to the first sub-pixel, the second sub-pixel, the fifth sub-pixel, and the sixth sub-pixel;
a second data line electrically connected to the third, fourth, seventh, and eighth sub-pixels;
the first scanning line is electrically connected with the first sub-pixel and the fourth sub-pixel;
the second scanning line is electrically connected with the second sub-pixel and the third sub-pixel;
a third scanning line electrically connected to the fifth subpixel and the eighth subpixel;
and the fourth scanning line is electrically connected with the sixth sub-pixel and the seventh sub-pixel.
Referring to fig. 11, fig. 11 is a schematic view of another sub-pixel region provided by an embodiment of the invention, in which the region denoted by the symbol a is denoted as a sub-pixel region, each sub-pixel region includes eight sub-pixels, which are divided into an upper row and a lower row, and each row includes four sub-pixels, where a first pixel a1, a second pixel a2, a third pixel A3, and a fourth pixel a4 are in a row, and a fifth pixel a5, a sixth pixel a6, a seventh pixel a7, and an eighth pixel A8 are in a row immediately below the upper row. The pixel matrix is sequentially filled with a number of sub-pixel regions. A first data line D1 electrically connected to the first sub-pixel a1, the second sub-pixel a2, the fifth sub-pixel a5, and the sixth sub-pixel a 6; a second data line D2 electrically connected to the third sub-pixel A3, the fourth sub-pixel a4, the seventh sub-pixel a7, and the eighth sub-pixel a 8; a first scan line G1 electrically connected to the first sub-pixel a1 and the third sub-pixel A3; a second scan line G2 electrically connected to the second sub-pixel a2 and the fourth sub-pixel a 4; a third scanning line G3 electrically connected to the fifth sub-pixel a5 and the seventh sub-pixel a 7; and a fourth scan line G4 electrically connected to the sixth sub-pixel a6 and the eighth sub-pixel a 8.
In one embodiment, the polarity of the voltages applied to the first pixel a1, the second pixel a2, the fifth pixel a5 and the sixth pixel a6 is the same, and is opposite to the polarity of the voltages applied to the third pixel A3, the fourth pixel a4, the seventh pixel a7 and the eighth pixel A8.
In one embodiment, the gray levels of voltages applied to the first pixel a1, the second pixel a2, the fifth pixel a5 and the sixth pixel a6 are different from the gray levels of voltages applied to the third pixel A3, the fourth pixel a4, the seventh pixel a7 and the eighth pixel A8.
According to the above matching relationship between the voltage polarity and the voltage gray scale loaded on the sub-pixel, a specific embodiment is shown, in one frame, a positive polarity high gray scale voltage, which can be denoted as HP, is loaded on the first pixel a 1; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the second pixel a 2; -loading said third pixel a3 with a negative polarity low gray scale voltage, which may be denoted LN; -applying a negative polarity low gray scale voltage, which may be denoted LN, to said fourth pixel a 4; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the fifth pixel a 5; loading a positive polarity high grayscale voltage, which may be denoted as HP, to the sixth pixel a; -loading said seventh pixel a7 with a negative polarity low gray scale voltage, which may be denoted LN; the eighth pixel A8 is loaded with a negative polarity low gray scale voltage, which may be denoted as LN.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HP, LN, HP, LN and LN … are circulated in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HP, LN, HP, LN and LN … are circulated in sequence.
Alternatively, a negative polarity high grayscale voltage, which may be denoted as HN, is applied to the first pixel a 1; loading a negative polarity high grayscale voltage, denoted as HN, to the second pixel a 2; loading the third pixel a3 with a positive polarity low gray scale voltage, which may be denoted as LP; loading the fourth pixel a4 with a positive polarity low gray scale voltage, which may be denoted as LP; loading a negative polarity high grayscale voltage, denoted as HN, to the fifth pixel a 5; loading a negative polarity high grayscale voltage, which can be denoted as HN, to the sixth pixel A; loading the seventh pixel a7 with a positive polarity low gray scale voltage, which may be denoted as LP; the eighth pixel A8 is loaded with a positive polarity low gray scale voltage, which may be denoted as LP.
For more clear description of the voltage loading relationship, the voltage loading relationship for each sub-pixel in any column is sequentially expressed as follows: HN, LP, HN, LP … cycle in sequence; from a certain row, the voltage relationship loaded for each sub-pixel in any row is sequentially expressed as: HN, LP, HN, LP … cycle sequentially.
EXAMPLE seven
Referring to fig. 12 and fig. 13 together, fig. 12 is a schematic diagram illustrating a pixel matrix driving method according to an embodiment of the invention; FIG. 13 is a schematic view of one embodiment of the drive of FIG. 12; in an optional one of the 4 × 4 regions, in this embodiment, the first pixel a1, the second pixel a2, the fifth pixel a5, the sixth pixel A6, the ninth pixel a9, the tenth pixel a10, the thirteenth pixel a13, and the fourteenth pixel a14 are connected to the first data line D1, and the third pixel A3, the fourth pixel a4, the seventh pixel a7, the eighth pixel A8, the eleventh pixel a11, the twelfth pixel a12, the fifteenth pixel a15, and the sixteenth pixel a16 are connected to the second data line D2;
at a first time in a frame, a scan signal is loaded on the scan line G1 in the first row, and a voltage corresponding to HP is loaded on the first data line D1 to the first pixel a1, a voltage corresponding to HN is loaded on the second data line D2 to the third pixel A3, and so on;
at the next time (i.e., the second time), the scan signal is loaded on the scan line G2 of the second row, and the voltage corresponding to LP is loaded on the first data line D1 to the second pixel a2, the voltage corresponding to LN is loaded on the second data line D2 to the fourth pixel a4, and so on;
at the next time (i.e., the third time), the scan signal is loaded on the scan line G3 of the third row, and the voltage corresponding to LP is loaded on the first data line D1 to the fifth pixel a5, the voltage corresponding to LN is loaded on the second data line D2 to the seventh pixel a7, and so on;
at the next time (i.e., the fourth time), the scan signal is loaded on the scan line G4 of the fourth row, and the voltage corresponding to HP is loaded on the first data line D1 to the sixth pixel a6, the voltage corresponding to HN is loaded on the second data line D2 to the eighth pixel a8, and so on;
at the next time (i.e., the fifth time), the scan signal is loaded on the scan line G5 of the fifth row, and the voltage corresponding to HN is loaded on the first data line D1 to the ninth pixel a9, the voltage corresponding to HP is loaded on the second data line D2 to the eleventh pixel a11, and so on;
at the next time (i.e., the sixth time), the scan signal is loaded on the scan line G6 of the sixth row, and the voltage corresponding to LN is loaded on the first data line D1 to the tenth pixel a10, the voltage corresponding to LP is loaded on the third data line D2 to the twelfth pixel a12, and so on;
at the next time (i.e., the seventh time), the scan signal is loaded on the scan line G7 of the seventh row, and the voltage corresponding to LN is loaded on the first data line D1 to the thirteenth pixel a13, the voltage corresponding to LP is loaded on the second data line D2 to the fifteenth pixel a15, and so on;
at the next time (i.e., the eighth time), the scan signal is loaded on the scan line G8 of the eighth row, and the voltage corresponding to HN is loaded on the first data line D1 to the fourteenth pixel a14, the voltage corresponding to HP is loaded on the second data line D2 to the sixteenth pixel a16, and so on.
In this embodiment, the voltage loading case of 4 × 4 is exemplified, and the voltages are sequentially loaded to other sub-pixels and other time points according to the above rule.
By adopting the embodiment of the invention, the positive and negative polarity voltages and the high and low gray scale voltages are loaded to the pixel matrix alternately, so that the side visibility can be improved, the pixels in the pixel matrix are not influenced by the polarity, the problems of crosstalk, bright and dark lines and the like are solved, and the display effect is improved.
Example eight
Referring to fig. 12 and 14 together, fig. 12 is a schematic diagram illustrating a pixel matrix driving method according to an embodiment of the invention; FIG. 14 is a schematic view of another embodiment of the drive of FIG. 12; in an optional one of the 4 × 4 regions, in this embodiment, the first pixel a1, the second pixel a2, the fifth pixel a5, the sixth pixel A6, the ninth pixel a9, the tenth pixel a10, the thirteenth pixel a13, and the fourteenth pixel a14 are connected to the first data line D1, and the third pixel A3, the fourth pixel a4, the seventh pixel a7, the eighth pixel A8, the eleventh pixel a11, the twelfth pixel a12, the fifteenth pixel a15, and the sixteenth pixel a16 are connected to the second data line D2;
at a first time in a frame, a scan signal is loaded on the scan line G1 in the first row, and a voltage corresponding to HP is loaded on the first data line D1 to the first pixel a1, a voltage corresponding to LN is loaded on the second data line D2 to the third pixel A3, and so on;
at the next time (i.e. the second time), the scan signal is loaded on the scan line G2 of the second row, and the voltage corresponding to HP is loaded on the first data line D1 to the second pixel a2, the voltage corresponding to LN is loaded on the second data line D2 to the fourth pixel a4, and so on;
at the next time (i.e., the third time), the scan signal is loaded on the scan line G3 of the third row, and the voltage corresponding to LP is loaded on the first data line D1 to the fifth pixel a5, the voltage corresponding to HN is loaded on the second data line D2 to the seventh pixel a7, and so on;
at the next time (i.e., the fourth time), the scan signal is loaded on the scan line G4 of the fourth row, and the voltage corresponding to LP is loaded on the first data line D1 to the sixth pixel a6, the voltage corresponding to HN is loaded on the second data line D2 to the eighth pixel a8, and so on;
at the next time (i.e., the fifth time), the scan signal is loaded on the scan line G5 of the fifth row, and the voltage corresponding to HN is loaded on the first data line D1 to the ninth pixel a9, the voltage corresponding to LP is loaded on the second data line D2 to the eleventh pixel a11, and so on;
at the next time (i.e., the sixth time), the scan signal is loaded on the scan line G6 of the sixth row, and the voltage corresponding to HN is loaded on the first data line D1 to the tenth pixel a10, the voltage corresponding to LP is loaded on the third data line D2 to the twelfth pixel a12, and so on;
at the next time (i.e., the seventh time), the scan signal is loaded on the scan line G7 of the seventh row, and the voltage corresponding to LN is loaded on the first data line D1 to the thirteenth pixel a13, the voltage corresponding to HP is loaded on the second data line D2 to the fifteenth pixel a15, and so on;
at the next time (i.e., the eighth time), the scan signal is loaded on the scan line G8 of the eighth row, and the voltage corresponding to LN is loaded on the first data line D1 to the fourteenth pixel a14, the voltage corresponding to HP is loaded on the second data line D2 to the sixteenth pixel a16, and so on.
In this embodiment, the voltage loading case of 4 × 4 is exemplified, and the voltages are sequentially loaded to other sub-pixels and other time points according to the above rule.
By adopting the embodiment of the invention, the positive and negative polarity voltages and the high and low gray scale voltages are loaded to the pixel matrix alternately, so that the side visibility can be improved, the pixels in the pixel matrix are not influenced by the polarity, the problems of crosstalk, bright and dark lines and the like are solved, and the display effect is improved.
Example nine
Referring to fig. 12 and fig. 15 together, fig. 12 is a schematic diagram illustrating a pixel matrix driving method according to an embodiment of the invention; FIG. 15 is a schematic view of another embodiment of the driving scheme of FIG. 12; in an optional one of the 4 × 4 regions, in this embodiment, the first pixel a1, the second pixel a2, the fifth pixel a5, the sixth pixel A6, the ninth pixel a9, the tenth pixel a10, the thirteenth pixel a13, and the fourteenth pixel a14 are connected to the first data line D1, and the third pixel A3, the fourth pixel a4, the seventh pixel a7, the eighth pixel A8, the eleventh pixel a11, the twelfth pixel a12, the fifteenth pixel a15, and the sixteenth pixel a16 are connected to the second data line D2;
at a first time in a frame, a scan signal is loaded on the scan line G1 in the first row, and a voltage corresponding to HP is loaded on the first data line D1 to the first pixel a1, a voltage corresponding to LN is loaded on the second data line D2 to the third pixel A3, and so on;
at the next time (i.e. the second time), the scan signal is loaded on the scan line G2 of the second row, and the voltage corresponding to HP is loaded on the first data line D1 to the second pixel a2, the voltage corresponding to LN is loaded on the second data line D2 to the fourth pixel a4, and so on;
at the next time (i.e. the third time), the scan signal is loaded on the scan line G3 of the third row, and the voltage corresponding to HP is loaded to the fifth pixel a5 on the first data line D1, the voltage corresponding to LN is loaded to the seventh pixel a7 on the second data line D2, and so on;
at the next time (i.e., the fourth time), the scan signal is loaded on the scan line G4 of the fourth row, and the voltage corresponding to HP is loaded on the first data line D1 to the sixth pixel a6, the voltage corresponding to LN is loaded on the second data line D2 to the eighth pixel a8, and so on;
at the next time (i.e., the fifth time), the scan signal is loaded on the scan line G5 of the fifth row, and the voltage corresponding to LN is loaded on the first data line D1 to the ninth pixel a9, the voltage corresponding to HP is loaded on the second data line D2 to the eleventh pixel a11, and so on;
at the next time (i.e., the sixth time), the scan signal is loaded on the scan line G6 of the sixth row, and the voltage corresponding to LN is loaded on the first data line D1 to the tenth pixel a10, the voltage corresponding to HP is loaded on the third data line D2 to the twelfth pixel a12, and so on;
at the next time (i.e., the seventh time), the scan signal is loaded on the scan line G7 of the seventh row, and the voltage corresponding to LN is loaded on the first data line D1 to the thirteenth pixel a13, the voltage corresponding to HP is loaded on the second data line D2 to the fifteenth pixel a15, and so on;
at the next time (i.e., the eighth time), the scan signal is loaded on the scan line G8 of the eighth row, and the voltage corresponding to LN is loaded on the first data line D1 to the fourteenth pixel a14, the voltage corresponding to HP is loaded on the second data line D2 to the sixteenth pixel a16, and so on.
In this embodiment, the voltage loading case of 4 × 4 is exemplified, and the voltages are sequentially loaded to other sub-pixels and other time points according to the above rule.
By adopting the embodiment of the invention, the positive and negative polarity voltages and the high and low gray scale voltages are loaded to the pixel matrix alternately, so that the side visibility can be improved, the pixels in the pixel matrix are not influenced by the polarity, the problems of crosstalk, bright and dark lines and the like are solved, and the display effect is improved.
Example ten
Referring to fig. 16, fig. 16 is a schematic view of a display device according to an embodiment of the present invention. The invention also provides a display device for performing the method according to the invention, in the pixel matrix, the voltage loaded along the data line is changed in polarity every four sub-pixels, any column of data lines controls the voltage input of one sub-pixel at two sides thereof, the voltage applied to the sub-pixels is changed in polarity every two sub-pixels along the direction of the data line, and the voltage applied to the sub-pixels is changed in polarity every two sub-pixels along the direction of the scanning line, the display device comprises a timing controller 81, a data driving unit 82, a scanning driving unit 83 and a display panel 84, wherein the display panel 84 is provided with a pixel matrix 85; the timing controller 81 is connected to the data driving unit 82 and the scan driving unit 83, and both the data driving unit 82 and the scan driving unit 83 are connected to the pixel matrix 85;
the timing controller 81 is configured to output first gray scale data and second gray scale data to the data driving unit 82;
the data driving unit 82 is configured to generate a first driving voltage according to the first gray scale data, and generate a second driving voltage according to the second gray scale data;
the scan driving unit 83 is used for loading scan signals to the pixel matrix 85;
and the data driving unit 82 is further configured to apply a first driving voltage corresponding to the first gray-scale data or a second driving voltage corresponding to the second gray-scale data to the pixel matrix 85 along the data line direction within one frame.
In a specific embodiment, the data driving unit 82 is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction;
and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
In one embodiment, the timing controller 81 is specifically configured to obtain an original pixel value of each pixel position according to the original pixel data, and convert the original pixel value of each pixel position into the first gray scale data or the second gray scale data according to a predetermined conversion manner.
In one embodiment, the data driving unit 82 is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to adjacent sub-pixels along the direction of a scanning line.
In one embodiment, the data driving unit 82 is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
The display panel 84 includes a plurality of data lines, a plurality of scan lines, and a plurality of sub-pixels connected to the data lines and the scan lines, the sub-pixels being arranged in a pixel matrix 85 along a data line direction and along a scan line direction on the display panel, the timing controller 81 inputs RGB data signals of an image from the outside,
the timing controller 81 can input red image data R, green image data G, blue image data B, or image data of other colors from the outside, and generate corresponding original pixel data according to the image data, and make the original pixel data correspond to two sets of gray scales, high gray scale data, and low gray scale data according to the above-described rule of the present invention. The data driving circuit converts the high gray scale data and the low gray scale data respectively by using a fixed gamma and outputs corresponding high gray scale voltage and low gray scale voltage. The data driving unit 82 controls the specific output operation according to the above method of the present invention, and outputs of high gray scale, low gray scale, positive voltage, and negative voltage are selected according to the timing.
In another implementation, the display device includes a timing controller 81, a data driving unit 82, a scan driving unit 83, and a display panel 84, where a pixel matrix 85 is disposed on the display panel 84; the timing controller 81 is connected to the data driving unit 82 and the scan driving unit 83, and both the data driving unit 82 and the scan driving unit 83 are connected to the pixel matrix 85;
the timing controller 81 is configured to obtain an original data driving signal according to the original pixel data;
the data driving unit 82 is configured to obtain a first driving voltage and a second driving voltage according to the original data driving signal;
the scan driving unit 83 is used for loading scan signals to the pixel matrix 85;
and within a frame, the data driving unit 82 is further configured to apply the first driving voltage or the second driving voltage to the pixel matrix 85 along a data line direction.
The data driving unit 82 is further configured to obtain an original gray-scale value and a conversion rule of a corresponding pixel position according to the original data driving signal, and convert the original gray-scale value of the corresponding pixel position into a first driving voltage or a second driving voltage according to the conversion rule.
In one embodiment, the data driving unit 82 is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to adjacent sub-pixels along the direction of a scanning line.
In one embodiment, the data driving unit 82 is further configured to alternately apply the first driving voltage and the second driving voltage to adjacent sub-pixels along a data line direction; and alternately loading the first driving voltage and the second driving voltage to every two adjacent sub-pixels along the direction of a scanning line.
The timing controller 81 inputs image data from the outside, generates corresponding original pixel data according to the image data, and outputs an original data driving signal to the data driving circuit, and the data driving circuit correspondingly generates a high gray scale voltage of high gamma and a low gray scale voltage of low gamma through two different sets of gamma because the data driving circuit only receives the original gray scale value and a corresponding H or L conversion rule. The data driving unit 82 controls the specific output operation according to the above method of the present invention, and outputs of high gray scale, low gray scale, positive voltage, and negative voltage are selected according to the timing.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (4)
1. A pixel matrix driving method, the pixel matrix including a plurality of sub-pixels arranged in a matrix, wherein a voltage applied along a data line is reversed in polarity every four sub-pixels, and a data line of any one column controls a voltage input of one sub-pixel at both sides thereof, wherein the method comprises:
receiving image data, and acquiring original pixel data according to the image data;
obtaining an original pixel value of each pixel position according to the original pixel data, and converting the original pixel value of each pixel position into first gray scale data or second gray scale data according to a high gray scale or a low gray scale corresponding to each pixel position;
generating two groups of gammas by using a data driving circuit, and generating driving voltages under the action of different gammas for the first gray scale data or the second gray scale data of corresponding pixel positions, wherein each group of gammas respectively correspondingly drives different sub-pixels, and the driving voltages comprise a first driving voltage and a second driving voltage;
loading the first driving voltage or the second driving voltage to the pixel matrix along a data line in a frame;
within a frame, loading the first drive voltage or the second drive voltage along a data line to the matrix of pixels comprises:
every four sub-pixels are grouped along the direction of a data line, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups;
along the direction of a scanning line, for every four sub-pixels, one group is formed, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups;
or, every two sub-pixels are taken as one group along the data line pair, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix in two adjacent groups;
along the scanning line direction, for every two sub-pixels, one group is formed, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups,
or, along the direction of a data line, alternately loading the first driving voltage and the second driving voltage to the pixel matrix for every two sub-pixels;
and along the direction of a scanning line, every two sub-pixels are taken as one group, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups.
2. The method for driving the pixel matrix according to claim 1, wherein the generating the driving voltage under different gamma actions for the first gray scale data or the second gray scale data of the corresponding pixel position comprises:
and generating a first driving voltage corresponding to the first gray scale data and a second driving voltage corresponding to the second gray scale data under different gamma actions according to the first gray scale data and the second gray scale data.
3. A display device comprises a time schedule controller, a data driving unit, a scanning driving unit and a pixel matrix, and is characterized in that in the pixel matrix, the polarity of voltage loaded along data lines is exchanged once every four sub-pixels, any one column of data lines controls the voltage input of one sub-pixel at the two sides of the data lines, the time schedule controller is respectively connected with the data driving unit and the scanning driving unit, and the data driving unit and the scanning driving unit are both connected with the pixel matrix;
the time sequence controller is used for obtaining an original pixel value of each pixel position according to original pixel data, converting the original pixel value of each pixel position into first gray scale data or second gray scale data according to a high gray scale or a low gray scale corresponding to each pixel position, and outputting the first gray scale data or the second gray scale data to the data driving unit;
the data driving unit is used for generating two groups of gammas by using a data driving circuit, generating driving voltages under the action of different gammas for first gray scale data or second gray scale data of corresponding pixel positions, wherein each group of gammas respectively correspondingly drives different sub-pixels, the driving voltages comprise a first driving voltage and a second driving voltage, and the first driving voltage or the second driving voltage is loaded to the pixel matrix along the direction of a data line in one frame;
the data driving unit is further configured to,
every four sub-pixels are grouped along the direction of a data line, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups; along the direction of a scanning line, for every four sub-pixels, one group is formed, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups;
or, along the direction of the data line, every two adjacent sub-pixels are taken as one group, and the first driving voltage and the second driving voltage are alternately loaded to the two adjacent groups; along the scanning line direction, every two adjacent sub-pixels are taken as one group, the first driving voltage and the second driving voltage are alternatively loaded to the adjacent two groups,
or, along the direction of a data line, alternately loading the first driving voltage and the second driving voltage to the pixel matrix for every two sub-pixels;
and along the direction of a scanning line, every two sub-pixels are taken as one group, and the first driving voltage and the second driving voltage are alternately loaded to the pixel matrix by two adjacent groups.
4. The display device according to claim 3, wherein the timing controller is specifically configured to: and obtaining an original pixel value of each pixel position according to the original pixel data, and converting the original pixel value of each pixel position into first gray scale data or second gray scale data according to a preset conversion mode.
Priority Applications (1)
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| CN201711392507.6A CN109949761B (en) | 2017-12-21 | 2017-12-21 | Pixel matrix driving method and display device |
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