CN112540487A - Display panel and display device thereof - Google Patents
Display panel and display device thereof Download PDFInfo
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- CN112540487A CN112540487A CN202011409553.4A CN202011409553A CN112540487A CN 112540487 A CN112540487 A CN 112540487A CN 202011409553 A CN202011409553 A CN 202011409553A CN 112540487 A CN112540487 A CN 112540487A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
- G09G2300/0447—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
Abstract
The application discloses a display panel and a display device thereof, wherein the display panel comprises a plurality of sub-pixels arranged in a matrix manner, a plurality of scanning lines and a plurality of data lines; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; each data line is vertically staggered with each scanning line; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line; in pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side; in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixel, and the chromaticity visual angle of the display panel is improved.
Description
Technical Field
The present disclosure relates to the field of display technologies, and more particularly, to a display panel and a display device thereof.
Background
Since Liquid Crystal Displays (LCDs) have the advantages of low radiation, small size, low power consumption, and the like, they are widely used in products such as computers, televisions, smart phones, and the like. In the production of liquid crystal panels, it is a very important issue to reduce the manufacturing cost on the premise of improving the panel image quality.
In order to reduce the cost, a dual-gate (dual-gate) structure of the liquid crystal display panel is proposed in the prior art, and the dual-gate structure saves a source driving circuit, thereby reducing the cost of the panel; however, the dual gate of the conventional dual gate structure is usually matched with a 4-domain (4-domain) pixel design, and then the dual gate 4-domain (4-domain dual-gate) panel has poor quality of large viewing angle, so that it is the key to increase the quality of large viewing angle of the dual gate 4-domain liquid crystal panel.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: in the dual-gate structure of the conventional display panel, the quality of a large viewing angle is poor, and the chromaticity viewing angle is low.
Disclosure of Invention
Accordingly, it is desirable to provide a display panel and a display device thereof, which are directed to the problems of poor quality of large viewing angle and low chromaticity viewing angle in the dual-gate structure of the conventional display panel.
In order to achieve the above object, an embodiment of the present invention provides a display panel, including:
a plurality of sub-pixels arranged in a matrix, the plurality of sub-pixels being divided into a plurality of pixel sub-regions arranged repeatedly along rows and columns; any pixel sub-area comprises a plurality of sub-pixels arranged in a 6-column 2M-row matrix, wherein M is a positive integer; in the pixel sub-area, sequentially dividing 6 columns of sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 2M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction;
a plurality of scan lines for transmitting scan signals; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side;
the data lines are respectively used for transmitting data signals, and are respectively arranged in a vertically staggered manner with the scanning lines; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line; in the sub-pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the same pixel combination unit, the polarities of the first sub-pixel and the second sub-pixel are the same;
in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixels.
In one embodiment, in the sub-pixel area, based on the large-viewing-angle algorithm, the data signals transmitted by the data lines are subjected to bright and dark adjustment processing, so that the original gray scale of any sub-pixel is replaced by a high gray scale and a low gray scale map.
In one embodiment, a high gray scale and a low gray scale of the corresponding sub-pixel are obtained on the front-view Gamma curve; wherein the average value of the brightness between the high gray scale and the low gray scale is equal to the brightness value of the original gray scale of the corresponding sub-pixel.
In one embodiment, the first sub-pixel is provided with a first thin film transistor; the first sub-pixels are connected with corresponding scanning lines through the grid electrodes of the first thin film transistors, and are connected with corresponding data lines through the source electrodes of the first thin film transistors;
the second sub-pixel is provided with a second thin film transistor; the second sub-pixels are connected with corresponding scanning lines through the grid electrodes of the second thin film transistors, and are connected with corresponding data lines through the source electrodes of the second thin film transistors.
In one embodiment, the polarities of the leading sub-pixels of adjacent data lines are opposite.
In one embodiment, each sub-pixel of one column is a red sub-pixel, a blue sub-pixel or a green sub-pixel.
In one embodiment, in the pixel sub-area, the arrangement of the sub-pixels in each column is sequentially red sub-pixels, blue sub-pixels and green sub-pixels.
In one embodiment, the device further comprises a substrate; the plurality of sub-pixels arranged in a matrix and the plurality of data lines are respectively arranged on the substrate.
On the other hand, the embodiment of the invention also provides a display device, which comprises the display panel.
In one embodiment, the display panel is a liquid crystal display panel.
One of the above technical solutions has the following advantages and beneficial effects:
in each embodiment of the foregoing display panel, the display panel includes a plurality of sub-pixels arranged in a matrix, a plurality of scan lines, and a plurality of data lines; the plurality of sub-pixels are divided into a plurality of pixel sub-regions which are repeatedly arranged along rows and columns; any pixel sub-area comprises a plurality of sub-pixels arranged in a 6-column 4M-row matrix, wherein M is a positive integer; in the pixel sub-area, sequentially dividing 6 columns of sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 4M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; each data line is vertically staggered with each scanning line; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line; in pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side; in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixel, the chromaticity visual angle of the display panel is improved, and the image display quality of the panel is improved. According to the display panel, the sub-pixels and the data lines are arranged, the sub-pixels connected with the same data line are arranged in a polarity mode based on a column inversion driving mode, and gray scale preprocessing is performed on data signals transmitted by the data lines respectively, so that the gray scale of any sub-pixel is different from that of an adjacent sub-pixel, and further the chromaticity visual angle of the display panel can be improved.
Drawings
The present application will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a diagram illustrating a first structure of a display panel according to an embodiment;
FIG. 2 is a second schematic diagram of an embodiment of a display panel;
FIG. 3 is a diagram illustrating a third structure of a display panel according to an embodiment;
FIG. 4 is a diagram illustrating a fourth structure of the display panel in accordance with an embodiment;
FIG. 5 is a diagram illustrating a variation of data signals of a data line according to an embodiment.
Detailed Description
For a more clear understanding of the technical features, objects, and effects of the present application, specific embodiments of the present application will now be described in detail with reference to the accompanying drawings.
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present application, are given by way of illustration and explanation only, and are not intended to limit the present application.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a display panel and a display device thereof according to an embodiment of the present application will be described in detail below with reference to the drawings.
The display panel aims to solve the problems of poor quality of a large viewing angle and low chromaticity visual angle in a double-gate structure of the traditional display panel. In one embodiment, as shown in fig. 1 and 3, there is provided a display panel including:
a plurality of sub-pixels arranged in a matrix, the plurality of sub-pixels being divided into a plurality of pixel sub-regions arranged repeatedly along rows and columns; any pixel sub-area comprises a plurality of sub-pixels arranged in a 6-column 4M-row matrix, wherein M is a positive integer; in the pixel sub-area, sequentially dividing 6 columns of sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 4M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction;
a plurality of scan lines for transmitting scan signals; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line;
the data lines are respectively used for transmitting data signals, and are respectively arranged in a vertically staggered manner with the scanning lines; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line;
in the sub-pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side; in the same pixel combination unit, the polarities of the first sub-pixel and the second sub-pixel are the same;
in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixels.
Specifically, the respective sub-pixels are arranged based on a matrix arrangement rule, and the respective sub-pixels in the matrix arrangement may form at least one pixel sub-area. The sub-pixel sub-area comprises 6 columns and 2M rows of sub-pixels, and the 6 columns of sub-pixels in the same sub-pixel sub-area can be divided into three groups of sub-pixel combinations based on the left-to-right direction, that is, each group of sub-pixel combinations comprises 2 columns of sub-pixels. The sub-pixel combinations can be subdivided into 2M pixel combination units based on the top-down direction, i.e. each group of sub-pixel combinations comprises 2M pixel combination units. The pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction, and in the same pixel combination unit, the polarities of the first sub-pixel and the second sub-pixel are the same.
Furthermore, in each pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line, namely, one side of the first row of sub-pixels, which is far away from the second row of sub-pixels, is provided with a scanning line, one side of the 2M row of sub-pixels, which is far away from the 2M-1 row of sub-pixels, is provided with a scanning line, and two scanning lines are arranged between the two rows of sub-pixels. Each scan line may be used to transmit a scan signal. In each pixel combination unit, the first sub-pixel is connected to the scanning line on one side, and the second sub-pixel is connected to the scanning line on the other side.
For example, the sequence of the scan lines from top to bottom is defined as the first scan line to the 2M scan line. In the sub-pixel area, the sub-pixel in the first row and the first column (i.e. the first sub-pixel of a pixel combination unit) is connected with the first scanning line, and the sub-pixel in the first row and the second column (i.e. the second sub-pixel of a pixel combination unit) is connected with the second scanning line. The sub-pixel in the first column of the second row (i.e. the first sub-pixel of the other pixel combination unit) is connected to the third scanning line, and the sub-pixel in the second column of the second row (i.e. the second sub-pixel of the other pixel combination unit) is connected to the fourth scanning line. The sub-pixels in the first row and the third column (i.e. the first sub-pixels of one pixel combination unit) are connected with the second scanning line, and the sub-pixels in the first row and the fourth column (i.e. the second sub-pixels of another pixel combination unit) are connected with the first scanning line. The sub-pixel in the third row and the third column (i.e. the first sub-pixel of one pixel combination unit) is connected to the fourth scanning line, and the sub-pixel in the fourth row and the fourth column (i.e. the second sub-pixel of another pixel combination unit) is connected to the third scanning line. The connection mode of the first sub-pixel and the second sub-pixel included in the other pixel combination units is similar, and is not described herein again.
Furthermore, each data line is vertically staggered with each scanning line, so that in the column direction, two sides of each group of sub-pixel combination are respectively provided with one data line, namely, adjacent sub-pixel combinations share one data line. In the sub-pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered mode. In one example, each pixel combination unit included in the sub-pixel combination may be divided into a plurality of odd-numbered pixel combination units and a plurality of even-numbered pixel combination units, and the plurality of odd-numbered pixel combination units are connected to the data line on one side and the plurality of even-numbered pixel combination units are connected to the data line on the other side. For example, the data lines are defined as the first data line to the 2M data line from left to right. In the sequence of the sub-pixel combination from top to bottom, the first pixel combination unit is connected with the first data line, the second pixel combination unit is connected with the second data line, the third pixel combination unit is connected with the first data line, and the fourth pixel combination unit is connected with the second data line. The connection modes of other pixel combination units are analogized, and are not described in detail again.
Furthermore, the polarities of the pixel combination units connected to the same data line are the same, that is, the polarities of the first sub-pixels and the second sub-pixels connected to the same data line are the same. The polarities of the pixel combination units connected to two adjacent data lines are opposite, that is, the polarities of the pixel combination units connected to two adjacent data lines are opposite, so that the polarity of any one pixel combination unit is opposite to that of the adjacent pixel combination unit in the pixel sub-area.
For example, in the pixel sub-area, the polarity of the sub-pixel located in the first row and the first column is positive, and the polarity of the sub-pixel located in the first row and the second column is positive; the polarity of the sub-pixel in the first row and the third column is negative, the polarity of the sub-pixel in the first row and the fourth column is negative, the polarity of the sub-pixel in the second row and the first column is negative, and the polarity of the sub-pixel in the second row and the second column is negative. Other pixel combination units include the polarity arrangement of the sub-pixels, and so on, which are not described in detail herein.
Further, based on the structure and polarity arrangement of each pixel sub-area, after the viewing angle compensation is started, gray scale preprocessing can be performed on the data signals transmitted by each data line respectively, so that the gray scale of any sub-pixel is different from the gray scale of the adjacent sub-pixel.
It should be noted that, the gray scale of any sub-pixel in the sub-area of the pixel may be different from the gray scale of the adjacent sub-pixel based on the high-low gray scale mapping. For example, if the gray level of any sub-pixel is high, the gray level of the adjacent sub-pixel is low.
Specifically, the method includes dividing a plurality of sub-pixels into a plurality of pixel sub-regions repeatedly arranged along rows and columns; any pixel sub-area comprises a plurality of sub-pixels arranged in a 6-column 4M-row matrix; in the pixel sub-area, sequentially dividing 6 columns of sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 4M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; each data line is vertically staggered with each scanning line; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line; in pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side; in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixel, the chromaticity visual angle of the display panel is improved, and the image display quality of the panel is improved.
In the above embodiment, the sub-pixels and the data lines are arranged, the sub-pixels connected to the same data line are arranged in a polarity manner based on a column inversion driving method, and the data signals transmitted by the data lines are subjected to gray scale preprocessing, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixels, and further, the chromaticity viewing angle of the display panel can be improved.
In one embodiment, each sub-pixel of one column is a red sub-pixel, a blue sub-pixel or a green sub-pixel of the same type.
For example, in the pixel sub-area, the color of each sub-pixel in the same column is the same, as shown in fig. 1, the sub-pixel in the first column is a red sub-pixel, the sub-pixel in the second column is a blue sub-pixel, and the sub-pixel in the third column is a green sub-pixel.
In one specific embodiment, in the pixel sub-area, each column of sub-pixels is arranged as a red sub-pixel, a blue sub-pixel and a green sub-pixel in sequence.
Specifically, as shown in fig. 1, in the pixel sub-area, the sub-pixels in each column are sequentially a red sub-pixel, a blue sub-pixel and a green sub-pixel based on the arrangement from the left to the right. For example, each sub-pixel of the first column of sub-pixels is a red sub-pixel, each sub-pixel of the second column of sub-pixels is a green sub-pixel, each sub-pixel of the third column of sub-pixels is a blue sub-pixel, and so on.
In one embodiment, in the sub-pixel area, based on the large-viewing-angle algorithm, the data signals transmitted by the data lines are subjected to bright and dark adjustment processing, so that the original gray scale of any sub-pixel is replaced by a high gray scale and a low gray scale mapping.
Specifically, based on the structure and polarity arrangement of each pixel sub-area, and a large viewing angle algorithm is matched to improve the chromaticity viewing angle. It should be noted that, in the large viewing angle algorithm, the sub-pixels are used as units, and the bright and dark processing is performed on the data signals input to the data lines, so that the chromaticity viewing angle is improved.
In one embodiment, a high gray scale and a low gray scale of the corresponding sub-pixel are obtained on the front-view Gamma curve; wherein the average value of the brightness between the high gray scale and the low gray scale is equal to the brightness value of the original gray scale of the corresponding sub-pixel.
Specifically, the large viewing angle algorithm processes the data signals input to the data lines without changing the original display brightness. For example, in the sub-area of the pixel, any sub-pixel is selected, and a high gray scale and a low gray scale of the sub-pixel are obtained on the front-view Gamma curve, so that the average value of the brightness between the high gray scale and the low gray scale is equal to the brightness value of the original gray scale of the corresponding sub-pixel.
In one example, assuming that the first row and first column of sub-pixels in the sub-pixel region are red sub-pixels, taking the display of 128 gray levels of the first row and first column of red sub-pixels as an example, a pair of red high and low gray levels HL (i.e., the high gray level is H and the low gray level is L) is found on the front view Gamma curve, and the average value of the luminance of the pair of red high and low gray levels HL is equal to the luminance value of the original red 128 gray level. The green sub-pixel and the blue sub-pixel are processed by the same method to obtain a corresponding pair of green high-low gray scale HL values and a corresponding pair of red high-low gray scale HL values.
Further, as shown in fig. 2 and fig. 3, taking the first row, the first column of red subpixels and the first row, the seventh column of red subpixels as an example, the first row, the first column of red subpixels are high gray-scale subpixels, and the first row, the seventh column of red subpixels are low gray-scale subpixels. Wherein, the gray scale values of the two original red sub-pixels are the same, and the original gray scale is mapped by a high gray scale and a low gray scale. In one example, the matching of the high and low gray levels can be performed by the timing controller by looking up the high and low gray level representations.
In one example, as shown in fig. 4 and 5, by arranging the sub-pixels and the data lines, and arranging the polarity of the sub-pixels connected to the same data line based on the column inversion driving method, and based on the high-low gray scale mapping, after the viewing angle compensation is turned on, for example, it is assumed that the HL values after processing the three colors of red, green and blue are the same (H is 180, L is 30, and in practice, the HL values of RGB are not necessarily the same). In the first red sub-pixel of the first column of red sub-pixels, the data signal of the data line D1 jumps from +180 gray scale to +255 gray scale, so that the first red sub-pixel of the first column of red sub-pixels is coupled to be brightened; in the first red sub-pixel of the fourth row of red sub-pixels, the data signal of the data line D2 jumps from the gray level of-30 to the gray level of-255, so that the first red sub-pixel of the fourth row of red sub-pixels is coupled and darkened. In the first green sub-pixel of the second row of green sub-pixels, the data signal of the data line D1 jumps from +30 gray scale to +255 gray scale, so that the first green sub-pixel of the second row of green sub-pixels is coupled to brighten; in the first green sub-pixel of the eighth row of green sub-pixels, the data signal of the data line D4 jumps from the gray level of-30 to the gray level of-255, so that the first green sub-pixel of the eighth row of green sub-pixels is coupled to be dark. The other sub-pixels are analogically arranged, so that for example, the first red sub-pixel in the first row becomes bright and the first red sub-pixel in the fourth row becomes dark, and the first green sub-pixel in the second row becomes bright and the first green sub-pixel in the eighth row becomes dark, so that the chromaticity visual angle of the display panel can be improved, and the panel picture display quality is improved.
In one embodiment, the first subpixel is provided with a first thin film transistor; the first sub-pixels are connected with corresponding scanning lines through the grid electrodes of the first thin film transistors, and are connected with corresponding data lines through the source electrodes of the first thin film transistors; the second sub-pixel is provided with a second thin film transistor; the second sub-pixels are connected with corresponding scanning lines through the grid electrodes of the second thin film transistors, and are connected with corresponding data lines through the source electrodes of the second thin film transistors.
Specifically, the gate of the first Thin Film Transistor (TFT) is connected to the corresponding scan line, the source is connected to the corresponding data line, and the drain is connected to the corresponding first subpixel. The grid electrode of the second Thin Film Transistor (TFT) is connected with the corresponding scanning line, the source electrode of the second TFT is connected with the corresponding data line, the drain electrode of the second TFT is connected with the corresponding second sub-pixel, and then the corresponding scanning line can transmit scanning signals to the first TFT, so that the first TFT is conducted, and the data signals of the corresponding data line are transmitted to the first sub-pixel through the first TFT. Similarly, the corresponding scan line can transmit a scan signal to the second thin film transistor, and the second thin film transistor is turned on, so that the data signal of the corresponding data line is transmitted to the second sub-pixel through the second thin film transistor.
In one embodiment, the polarities of the leading subpixels of adjacent data lines are opposite.
For example, as shown in fig. 4, if the polarity of the first sub-pixel (i.e., the first sub-pixel) connected to the data line D1 is positive, the polarity of the first sub-pixel connected to the data line D2 is negative, the polarity of the first sub-pixel connected to the data line D3 is positive, and so on, the polarities of the first sub-pixels of the adjacent data lines are opposite.
In one embodiment, as shown in fig. 2 and 3, the high-low gray level map is set to HLHL, i.e. the gray level of any sub-pixel is high gray level H, and the gray level of the adjacent sub-pixel is low gray level L. The sub-pixels and the data lines are arranged, the sub-pixels connected with the same data line are arranged in a polarity mode based on a column inversion driving mode, the high-low gray level mapping is set to be HLHL, the image quality of the display panel can be improved, the number of + H and-H of the sub-pixels of each color on two adjacent rows is the same, the number of + L and-L is the same, and therefore the risk of dot head lines is low. In the period unit, the number of + H and-H in a single frame is the same, and the number of + L and-L is also the same, so the flicker risk is low. The degree of positive and negative coupling (manifold) between the Data signal (Data) change of the Data line and the common electrode coupling (VCOM manifold) can be offset, so that the risk of high gray level crosstalk (H crosstalk) is low. The orientation of liquid crystal molecules in the 4-domain liquid crystal panel with the double-gate pixel structure is further enriched, so that the chromaticity and the visual angle of the display panel are improved.
Here, + H denotes a positive polarity high gray level; -H refers to negative polarity high gray level; + L refers to positive polarity low gray level; -L refers to negative polarity low gray level.
In a specific embodiment, the display panel further comprises a substrate; the plurality of sub-pixels arranged in a matrix and the plurality of data lines are respectively arranged on the substrate.
In fig. 1 to 4, R denotes red, G denotes green, and B denotes blue. H denotes a high gray level, and L denotes a low gray level. D1 through D6 in fig. 5 refer to the first through sixth data lines.
In one embodiment, there is also provided a display device including the display panel according to any one of the above embodiments.
Specifically, the display panel comprises a plurality of sub-pixels arranged in a matrix, a plurality of scanning lines and a plurality of data lines; the plurality of sub-pixels are divided into a plurality of pixel sub-regions which are repeatedly arranged along rows and columns; any pixel sub-area comprises a plurality of sub-pixels arranged in a 6-column 4M-row matrix, wherein M is a positive integer; in the pixel sub-area, sequentially dividing 6 columns of sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 4M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; each data line is vertically staggered with each scanning line; in the column direction, two sides of each group of sub-pixel combination are respectively provided with a data line; in pixel combination, the pixel combination units are connected on the data lines on two sides in a staggered manner; the polarities of all the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the pixel combination unit, a first sub-pixel is connected to a scanning line on one side, and a second sub-pixel is connected to a scanning line on the other side; in the pixel sub-area, gray scale pretreatment is respectively carried out on data signals transmitted by each data line, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixel, the chromaticity visual angle of the display panel is improved, and the image display quality of the panel is improved. The arrangement of the sub-pixels and the data lines is realized, the polarity arrangement of the sub-pixels connected with the same data line is realized based on a column inversion driving mode, and the gray scale pretreatment is respectively carried out on the data signals transmitted by the data lines, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixels, and the chromaticity visual angle of the display panel can be improved.
In a specific embodiment, the display panel is a liquid crystal display panel.
In one example, the display device may be a cell phone, a display, or a television, among others.
For specific limitations of the display device, reference may be made to the above limitations of the display panel, which are not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A display panel, comprising:
a plurality of sub-pixels arranged in a matrix, the plurality of sub-pixels being divided into a plurality of pixel sub-regions arranged repeatedly along rows and columns; any one of the pixel sub-regions comprises a plurality of the sub-pixels arranged in a 6-column 2M-row matrix, wherein M is a positive integer; in the pixel sub-area, sequentially dividing 6 columns of the sub-pixels into three groups of sub-pixel combinations; the sub-pixel combination comprises 2M pixel combination units; the pixel combination unit comprises a first sub-pixel and a second sub-pixel which are arranged in the row direction;
a plurality of scan lines for transmitting scan signals; in the pixel sub-area, two sides of each row of sub-pixels are respectively provided with a scanning line; in the pixel combination unit, the first sub-pixel is connected to the scanning line on one side, and the second sub-pixel is connected to the scanning line on the other side;
the data lines are respectively used for transmitting data signals, and are respectively arranged in a vertically staggered manner with the scanning lines; in the column direction, two sides of each group of sub-pixel combination are respectively provided with one data line; in the sub-pixel combination, the pixel combination unit is connected to the data lines on two sides in a staggered manner; the polarities of the pixel combination units connected with the same data line are the same, and the polarities of the pixel combination units connected with two adjacent data lines are opposite; in the same pixel combination unit, the polarities of the first sub-pixel and the second sub-pixel are the same;
in the pixel sub-area, gray scale preprocessing is respectively carried out on the data signals transmitted by the data lines, so that the gray scale of any sub-pixel is different from that of the adjacent sub-pixel.
2. The display panel of claim 1, wherein in the sub-pixel area, the data signals transmitted by the data lines are adjusted according to a large viewing angle algorithm, so that the original gray level of any one of the sub-pixels is replaced by a high gray level and a low gray level mapping.
3. The display panel according to claim 2, wherein one of the high gray levels and one of the low gray levels corresponding to the sub-pixels are obtained on an orthographic Gamma curve; wherein the average value of the brightness between the high gray scale and the low gray scale is equal to the brightness value of the original gray scale of the corresponding sub-pixel.
4. The display panel according to claim 1, wherein the first sub-pixel is provided with a first thin film transistor; the first sub-pixels are connected with the corresponding scanning lines through the grid electrodes of the first thin film transistors, and are connected with the corresponding data lines through the source electrodes of the first thin film transistors;
the second sub-pixel is provided with a second thin film transistor; the second sub-pixels are connected with the corresponding scanning lines through the grid electrodes of the second thin film transistors, and are connected with the corresponding data lines through the source electrodes of the second thin film transistors.
5. The display panel of claim 4, wherein the first sub-pixels of adjacent data lines have opposite polarities.
6. The display panel of claim 1, wherein in the pixel sub-area, each sub-pixel of one column is a red sub-pixel, a blue sub-pixel or a green sub-pixel.
7. The display panel of claim 6, wherein in the pixel sub-area, the arrangement of the sub-pixels in each column is red sub-pixel, blue sub-pixel and green sub-pixel in sequence.
8. The display panel according to claim 1, further comprising a substrate; the plurality of sub-pixels arranged in a matrix and the plurality of data lines are respectively arranged on the substrate.
9. A display device characterized by comprising the display panel according to any one of claims 1 to 8.
10. The display device according to claim 9, wherein the display panel is a liquid crystal display panel.
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