CN110085125B - Array substrate, driving method thereof, display panel and display device - Google Patents
Array substrate, driving method thereof, display panel and display device Download PDFInfo
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- CN110085125B CN110085125B CN201910368502.2A CN201910368502A CN110085125B CN 110085125 B CN110085125 B CN 110085125B CN 201910368502 A CN201910368502 A CN 201910368502A CN 110085125 B CN110085125 B CN 110085125B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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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
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Abstract
An embodiment of the present invention provides an array substrate, including: the array substrate comprises a plurality of data lines, a plurality of grid lines and a plurality of sub-pixel units arranged in a matrix, wherein two sides of each row of sub-pixel units are respectively provided with one grid line, two adjacent sub-pixel units in each row are connected with different grid lines, and each data line comprises a plurality of first parts, a plurality of second parts and a plurality of bridging parts. The first portion and the second portion are disposed on different sides of a column of sub-pixel units. The first portion and the second portion are respectively connected to the sub-pixel units on both sides thereof. The bridging part is arranged between two adjacent sub-pixel units in a column of sub-pixel units, and two ends of the bridging part are respectively connected with the first part and the second part. The invention also discloses a driving method of the array substrate, a display panel and a display device. According to the arrangement mode of the data lines in the embodiment of the invention, the polarities of the sub-pixel units in the adjacent columns are inconsistent and can be mutually offset, and the sub-pixel units can be averaged in brightness, so that the problem of vertical stripes in vision is avoided.
Description
Technical Field
The invention relates to the technical field of display, in particular to an array substrate, a driving method of the array substrate, a display panel and a display device.
Background
The display panel comprises an array substrate and a color film substrate which are oppositely arranged, the array substrate comprises a substrate, a plurality of data lines, a plurality of grid lines and a plurality of sub-pixel units arranged in a matrix, when the array substrate is designed by a single grid, namely, only one grid line is arranged between two adjacent rows of sub-pixel units, the width of the lower frame of the display panel reaches the limit by the design mode, the width cannot be reduced, and the design requirement of a narrow frame cannot be met.
In order to reduce the width of the lower frame of the display panel and meet the design requirement of a narrow frame in the prior art, a double-gate design is provided, that is, two sides of each row of sub-pixel units are respectively provided with a grid line.
However, the inventor finds that when the display panel adopting the dual-gate design in the prior art displays, the display has the problem of vertical stripes, and the display effect is influenced.
Disclosure of Invention
In view of the above, the present invention provides an array substrate, a driving method thereof, a display panel and a display device, which solve the technical problem of vertical stripes in the prior art.
In order to solve the above problems, embodiments of the present invention mainly provide the following technical solutions:
in a first aspect, an embodiment of the present invention discloses an array substrate, including: a plurality of data lines, a plurality of grid lines, a plurality of sub-pixel units arranged in a matrix, wherein two sides of each row of sub-pixel units are respectively provided with one grid line, two adjacent sub-pixel units in each row are connected with different grid lines, wherein,
each data line comprises a plurality of first parts, a plurality of second parts and a plurality of bridging parts;
the first portion and the second portion are disposed on different sides of a column of the sub-pixel units;
the first portion and the second portion are respectively connected to the sub-pixel units on both sides thereof;
the bridging part is arranged between two adjacent sub-pixel units in a column of the sub-pixel units, and two ends of the bridging part are respectively connected with the first part and the second part.
Optionally, the first portion and the second portion are straight lines; the bridging part is a diagonal line or a curve.
Optionally, the array substrate further includes: the touch control lead wires are arranged between two adjacent data lines, and in each column of sub-pixel units, the touch control lead wires are arranged along different sides of two adjacent sub-pixel units.
Optionally, the routing arrangement of the touch lead is consistent with the routing arrangement of the data line.
Optionally, the touch lead and the data line are disposed on the same layer.
Optionally, the touch lead and the data line adjacent to the touch lead have the same distance therebetween.
Optionally, the sub-pixel unit comprises: the pixel structure comprises a red sub-pixel unit, a green sub-pixel unit and a blue sub-pixel unit; or
Red, green, blue and white sub-pixel units.
In a second aspect, an embodiment of the present invention discloses a display panel, including the array substrate according to the first aspect.
In a third aspect, an embodiment of the invention discloses a display device, which includes the display panel described in the second aspect.
In a fourth aspect, an embodiment of the present invention discloses a driving method of an array substrate according to the first aspect, including:
inputting a source driving signal of a first polarity to a first portion of one of two adjacent data lines;
and inputting a source driving signal of a second polarity to a first portion of another data line of the two adjacent data lines, wherein the first polarity is different from the second polarity.
By the technical scheme, the technical scheme provided by the embodiment of the invention at least has the following advantages:
compared with the prior art, each data line in the embodiment of the invention comprises a plurality of first parts, a plurality of second parts and a plurality of bridging parts, the data line in the embodiment of the invention is changed from an original straight line to an inclined bridging line, and the first parts and the second parts are arranged on different sides of one column of sub-pixel units and are respectively connected to the sub-pixel units on two sides of the first parts and the second parts, so that the sub-pixel units in two adjacent columns can be averaged on the level without the condition of the same polarity, and the problem of vertical stripes can not appear visually.
The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means of the embodiments of the present invention more clearly understood, and the detailed description of the embodiments of the present invention is provided below in order to make the foregoing and other objects, features, and advantages of the embodiments of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the alternative embodiments. The drawings are only for purposes of illustrating alternative embodiments and are not to be construed as limiting the embodiments of the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a data line trace of a conventional double-gate array substrate;
FIG. 2 is a schematic diagram of polarity inversion of a conventional dual gate array substrate;
FIG. 3 is a schematic diagram of polarities of different sub-pixel units of a conventional double-gate array substrate;
FIG. 4 is a schematic diagram of different sub-pixel units pulling on a common voltage in a conventional double gate array substrate;
fig. 5 is a schematic structural diagram of a data line trace of the dual gate array substrate according to an embodiment of the invention;
FIG. 6 is a schematic diagram of polarity inversion of the dual gate array substrate according to the embodiment of the invention;
FIG. 7 is a schematic polarity diagram of different sub-pixel units of the dual gate array substrate according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the pulling of different sub-pixel units of the double gate array substrate to the common voltage according to the embodiment of the present invention;
fig. 9 is a flowchart of a driving method of an array substrate according to an embodiment of the invention.
The reference numerals are introduced as follows:
1-a data line; 2-a gate line; 3-touch lead; 11-a first part; 12-a second part; 13-a bridge.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The array substrate of the conventional double gate design will be described first.
As shown in fig. 1, the array substrate of the conventional double gate design includes: the pixel structure comprises a plurality of data lines 1, a plurality of grid lines 2 and a plurality of sub-pixel units arranged in a matrix, wherein one grid line 2 is respectively arranged on two sides of each row of sub-pixel units, two adjacent columns of sub-pixel units are connected with the same data line 1, for example, a red sub-pixel unit R1 of a first column and a green sub-pixel unit G1 of a second column are connected to the data line 1 of the first column, and a blue sub-pixel unit B1 of a third column and a red sub-pixel unit R2 of a fourth column are connected to the data line 1 of the second column.
Based on the routing design of the data lines 1 in the conventional array substrate in fig. 1, the polarities of two adjacent data lines 1 are opposite, as shown in fig. 1, the polarity of the data line 1 in the first column is positive, the polarity of the data line 1 in the second column is negative, the polarity of the data line 1 in the third column is positive, and the polarity of the source included in each sub-pixel unit (which may be considered as the polarity of each sub-pixel unit) in fig. 1 is shown in fig. 2, it can be seen that the polarities of the sub-pixel units in the same column are the same.
Fig. 3 is a schematic diagram showing polarities of different sub-pixel units of an array substrate of a conventional dual-gate design, in which the polarities of red (R) sub-pixel units in each column are in a cycle of + - + period within the same frame.
As shown in fig. 1 and 2, there are situations where the polarities of two adjacent columns of sub-pixel units are the same, for example, the polarities of two adjacent columns of sub-pixel units R1 and G1 are both "+", and the polarities of two adjacent columns of sub-pixel units B1 and R2 are both "-", and as can be seen from fig. 2, compared with the array substrate with a single gate structure, the array substrate with a dual gate structure in the prior art has the polarities of two adjacent columns of sub-pixel units arranged in a "+ - - +". The inventor finds that the two adjacent columns of sub-pixel units (such as the sub-pixel units R1 and G1) with the same positive polarity or the two adjacent columns of sub-pixel units (such as the sub-pixel units B1 and R2) with the same negative polarity of the array substrate of the prior art double-gate structure cannot be averaged in level, so that the problem of vertical stripes occurs visually, and the display effect is affected.
Fig. 4 is a schematic diagram of pulling the common voltage (Vcom) by different sub-pixel units of the array substrate of the conventional dual-gate design, specifically, the polarity of the first column in the diagram can be regarded as the polarity of the sub-pixel unit of the first column, the polarity of the second column can be regarded as the polarity of the sub-pixel unit of the second column, and so on. The inventor finds that a common voltage is pulled by each column of sub-pixel units, and as can be seen from fig. 4, there is a case where two adjacent columns of sub-pixel units pull the common voltage uniformly, for example, in the figure, the first column of sub-pixel units and the second column of sub-pixel units pull the common voltage uniformly, the third column of sub-pixel units and the fourth column of sub-pixel units pull the common voltage uniformly, and the levels of the two adjacent columns of sub-pixel units pulling the common voltage uniformly cannot be integrated, which may cause the brightness of the whole display panel to be inconsistent, thereby causing a problem of vertical stripes, and affecting the display effect.
Therefore, when a display panel manufactured by the array substrate adopting the traditional double-gate design displays, the problem of vertical stripes occurs, and the display effect is poor.
In order to solve the above technical problems, embodiments of the present invention provide a new design method for an array substrate.
As shown in fig. 5, an embodiment of the present invention provides an array substrate, including: the pixel structure comprises a plurality of data lines 1, a plurality of grid lines 2 and a plurality of sub-pixel units arranged in a matrix, wherein two sides of each row of sub-pixel units are respectively provided with one grid line 2, two adjacent sub-pixel units in each row are connected with different grid lines 2, and thus the two adjacent sub-pixel units can be connected with the same data line 1. Each data line 1 includes a plurality of first portions 11, a plurality of second portions 12, and a plurality of bridges 13. The first portion 11 and the second portion 12 are arranged on different sides of a column of sub-pixel units. The first portion 11 and the second portion 12 are connected to the sub-pixel units at both sides thereof, respectively. The bridge portion 12 is disposed between two adjacent sub-pixel units in a column of sub-pixel units, and has two ends respectively connected to the first portion 11 and the second portion 12.
Specifically, the sub-pixel units to which the first portion 11 and the second portion 12 are respectively connected to both sides thereof are understood as: the first portion 11 is connected to the sub-pixel cells on both sides of the first portion 11, and the second portion 12 is connected to the sub-pixel cells on both sides of the second portion 12.
Specifically, as shown in fig. 5, in the column where the R1 sub-pixel units are located, the R1 sub-pixel unit of the first row is connected to the second data line 1 from left to right in the figure, and the R1 sub-pixel unit of the second row is connected to the first data line 1 from left to right in the figure; in the column of the green (G1) sub-pixel, the G1 sub-pixel in the first row is connected to the second data line 1 from left to right in the figure, and the G1 sub-pixel in the second row is connected to the second data line 1 from left to right in the figure, so that the polarity of the column of the R1 sub-pixel is different from the polarity of the column of the G1 sub-pixel. Similarly, the polarity of the column of the G1 sub-pixel unit is different from the polarity of the column of the B1 sub-pixel unit, and it can be seen from the figure that the array substrate provided by the embodiment of the invention does not have the same polarity of the sub-pixel units in two adjacent columns.
Each data line 1 in the embodiment of the present invention includes a plurality of first portions 11, a plurality of second portions 12, and a plurality of bridging portions 13, compared with the prior art, the data line 1 in the embodiment of the present invention is changed from an original straight line to an oblique crossing line, and because the first portions 11 and the second portions 12 are disposed on different sides of a column of sub-pixel units, the first portions 11 and the second portions 12 are respectively connected to the sub-pixel units on two sides thereof, at this time, the sub-pixel units in two adjacent columns do not have the same polarity, so that the sub-pixel units in two adjacent columns can be averaged on a level, and a vertical streak problem does not occur visually.
Alternatively, in the present embodiment, the first portion 11 and the second portion 12 are straight lines. The bridge portion 13 is a diagonal line or a curved line. However, other suitable shapes of the first portion 11, the second portion 12 and the bridge 13 may be used as will be apparent to those skilled in the art.
Optionally, as shown in fig. 5, when the array substrate needs to meet the touch requirement of the user, the array substrate further includes: and a plurality of touch leads 3, wherein the touch leads 3 are arranged between two adjacent data lines 1, and in each column of sub-pixel units, the touch leads 3 are arranged along different sides of two adjacent sub-pixel units.
Optionally, in this embodiment, the routing arrangement of the touch lead 3 is consistent with the routing arrangement of the data line 1, and the setting manner of the touch lead 3 can ensure the touch requirement.
Optionally, the touch lead 3 and the data line 1 are disposed on the same layer, so that the touch lead 3 and the data line 1 can be formed by the same composition process, and the production cost is reduced.
Optionally, the distance between the touch lead 3 and the data line 1 adjacent to the touch lead 3 is equal, which is beneficial to the wiring arrangement of the whole array substrate.
Optionally, the sub-pixel unit of the embodiment of the present invention includes: a red sub-pixel unit, a green sub-pixel unit and a blue sub-pixel unit; of course, the sub-pixel unit may further include: red, green, blue and white sub-pixel units. Other suitable color sub-pixel elements may be used as well, as will be apparent to those skilled in the art.
Fig. 6-8 respectively show a polarity inversion diagram of the array substrate, a polarity diagram of different sub-pixel units, and a drawing diagram of different sub-pixel units to a common voltage according to an embodiment of the invention.
As shown in fig. 6, in the embodiment of the present invention, the polarities of the two adjacent columns of sub-pixel units are different, such as: the column in which the R1 sub-pixel unit is located has both positive and negative polarities, the column in which the G1 sub-pixel unit is located has both negative polarities, and the column in which the B1 sub-pixel unit is located has both positive and negative polarities. The polarities of two adjacent columns of sub-pixel units are different, and the different polarities can be mutually offset, so that the sub-pixel units of the adjacent columns can be averaged on the level, and the problem of vertical stripes in vision can be effectively avoided.
As shown in fig. 7, the polarities of the R sub-pixel units in each row are cycled according to a ++ - - +, and also cycled according to a +++ - + + period, and in the sub-pixel units in the same row or the same column, the polarities of the sub-pixel units are not regular, that is, the polarities of the sub-pixel units on the left and right sides of one sub-pixel unit are not the same, so that the sub-pixel units included in the entire array substrate can be averaged in level, and the problem of vertical stripes in vision can be effectively avoided.
As shown in fig. 8, the polarity of the first column of the figure may be considered as the polarity of the first column of sub-pixel elements, the polarity of the second column may be considered as the polarity of the second column of sub-pixel elements, and so on. As can be seen from the figure, compared with the prior art, the pulling of the common voltage by two adjacent columns of sub-pixel units in the embodiment of the present invention is inconsistent and irregular, for example: one of the two adjacent columns of sub-pixel units has + and-to the pulling of the common voltage, so that the levels of the two adjacent columns of sub-pixel units can be integrated to a certain degree, the brightness of the whole display panel is consistent, and the problem of vertical stripes in vision is effectively avoided.
Based on the same inventive concept, the embodiment of the invention also discloses a display panel, which comprises the array substrate. Since the display panel includes the array substrate, the display panel has the same beneficial effects as the array substrate, and therefore, the beneficial effects of the display panel are not repeated herein.
Based on the same inventive concept, the embodiment of the invention also discloses a display device, which comprises the display panel. Since the display device includes the display panel, the display device has the same beneficial effects as the display panel, and therefore, the beneficial effects of the display device are not repeated herein.
Based on the same inventive concept, the embodiment of the present invention further discloses a driving method of the array substrate, as shown in fig. 9, the method includes:
s101: inputting a source driving signal of a first polarity to a first portion of one of two adjacent data lines;
s102: and inputting a source driving signal of a second polarity to a first part of the other data line of the two adjacent data lines, wherein the first polarity is different from the second polarity.
Specifically, the first polarity is a positive polarity, and the second polarity is a negative polarity; alternatively, the first polarity is a negative polarity and the second polarity is a positive polarity. The specific driving method of the array substrate in the embodiment of the invention is similar to that in the prior art, and is not described herein again.
As shown in fig. 5, for example, the first portion 11 of the first data line from left to right in fig. 5 receives a source driving signal with a positive polarity, the first portion 11 of the second data line receives a source driving signal with a negative polarity, the first portion 11 of the third data line receives a source driving signal with a positive polarity, and the first portion 11 of the fourth data line receives a source driving signal with a negative polarity, so that the polarity of each column of sub-pixel units is as shown in fig. 6, and as can be seen from fig. 6, the sub-pixel units in two adjacent columns do not have the same polarity, so that the sub-pixel units in two adjacent columns can be averaged in level, and the problem of vertical stripes does not appear visually.
The beneficial effects obtained by applying the embodiment of the invention comprise:
compared with the prior art, each data line in the embodiment of the invention comprises a plurality of first parts, a plurality of second parts and a plurality of bridging parts, the data line in the embodiment of the invention is changed from an original straight line to an inclined bridging line, and the first parts and the second parts are arranged on different sides of one column of sub-pixel units and are respectively connected to the sub-pixel units on two sides of the first parts and the second parts, so that the sub-pixel units in two adjacent columns can be averaged on the level without the condition of the same polarity, and the problem of vertical stripes can not appear visually.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An array substrate, comprising: a plurality of data lines, a plurality of grid lines, a plurality of sub-pixel units arranged in a matrix, wherein two sides of each row of sub-pixel units are respectively provided with one grid line, and two adjacent sub-pixel units in each row are connected with different grid lines,
each data line comprises a plurality of first parts, a plurality of second parts and a plurality of bridging parts;
the first portion and the second portion are disposed on different sides of a column of the sub-pixel units;
the first portion and the second portion are respectively connected to the sub-pixel units on both sides thereof;
the bridging part is arranged between two adjacent sub-pixel units in a column of the sub-pixel units, and two ends of the bridging part are respectively connected with the first part and the second part;
the array substrate further includes: the touch control lead wires are arranged between two adjacent data lines, and in each column of sub-pixel units, the touch control lead wires are arranged along different sides of two adjacent sub-pixel units.
2. The array substrate of claim 1, wherein the first portion and the second portion are straight lines; the bridging part is a diagonal line or a curve.
3. The array substrate of claim 2, wherein the trace layout of the touch lead is consistent with the trace layout of the data line.
4. The array substrate of claim 1, wherein the touch lead and the data line are disposed on the same layer.
5. The array substrate of claim 1, wherein the touch lead lines are equally spaced from the data lines adjacent to the touch lead lines.
6. The array substrate of claim 1, wherein the sub-pixel unit comprises: the pixel structure comprises a red sub-pixel unit, a green sub-pixel unit and a blue sub-pixel unit; or
Red, green, blue and white sub-pixel units.
7. A display panel comprising the array substrate according to any one of claims 1 to 6.
8. A display device characterized by comprising the display panel according to claim 7.
9. A driving method of the array substrate according to any one of claims 1 to 6, comprising:
inputting a source driving signal of a first polarity to a first portion of one of two adjacent data lines;
and inputting a source driving signal of a second polarity to a first portion of another data line of the two adjacent data lines, wherein the first polarity is different from the second polarity.
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| US11335230B2 (en) | 2020-07-07 | 2022-05-17 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel |
| CN111798755B (en) * | 2020-07-07 | 2021-08-24 | Tcl华星光电技术有限公司 | Display panel |
| WO2025059799A1 (en) * | 2023-09-18 | 2025-03-27 | 京东方科技集团股份有限公司 | Touch-control display substrate and touch-control display apparatus |
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| TW554225B (en) * | 1998-10-07 | 2003-09-21 | Seiko Epson Corp | Liquid crystal apparatus and electronic machine |
| CN202948235U (en) * | 2012-11-09 | 2013-05-22 | 北京京东方光电科技有限公司 | Array base plat, display panel and display device |
| CN105425485A (en) * | 2015-12-10 | 2016-03-23 | 昆山龙腾光电有限公司 | Display panel sub-pixel arrangement structure and display device |
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| CN102890920B (en) * | 2011-07-19 | 2015-06-03 | 群康科技(深圳)有限公司 | Liquid crystal display device and driving method thereof |
| CN107817926B (en) * | 2017-10-27 | 2021-03-23 | 北京京东方显示技术有限公司 | Array substrate, liquid crystal display panel and display device |
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| TW554225B (en) * | 1998-10-07 | 2003-09-21 | Seiko Epson Corp | Liquid crystal apparatus and electronic machine |
| CN202948235U (en) * | 2012-11-09 | 2013-05-22 | 北京京东方光电科技有限公司 | Array base plat, display panel and display device |
| CN105425485A (en) * | 2015-12-10 | 2016-03-23 | 昆山龙腾光电有限公司 | Display panel sub-pixel arrangement structure and display device |
| CN205507719U (en) * | 2016-01-28 | 2016-08-24 | 成都京东方光电科技有限公司 | Touch display substrate, touch display panel and touch display device |
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