CN108169970B - Display substrate, driving method thereof and display device - Google Patents
Display substrate, driving method thereof and display device Download PDFInfo
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- CN108169970B CN108169970B CN201810002618.XA CN201810002618A CN108169970B CN 108169970 B CN108169970 B CN 108169970B CN 201810002618 A CN201810002618 A CN 201810002618A CN 108169970 B CN108169970 B CN 108169970B
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a display substrate, a driving method thereof and a display device. The display substrate comprises grid lines and data lines, wherein the grid lines and the data lines are crossed to define pixel units, each row of the pixel units comprises a plurality of pixel unit groups, and each pixel unit group comprises one pixel unit or a plurality of adjacent pixel units; in the adjacent pixel unit group of each row of pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of grid lines, and the pixel unit in the other pixel unit group is arranged corresponding to the adjacent row of grid lines of the current row of grid lines. The display substrate, the driving method thereof and the technical scheme of the display device avoid the phenomenon of display horizontal stripes, thereby improving the phenomenon of poor display.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display substrate, a driving method thereof and a display device.
Background
At present, a display device is usually driven by a low-frequency driving mode, and is specifically realized by a mode of prolonging a holding time in a display time, but the mode often has a problem of display flicker (flicker).
In order to improve the problem of display flicker, the display device is usually driven by odd-even line alternate driving in the prior art, but the odd-even line alternate driving in the prior display device often causes the brightness of the odd-even line pixels of the display device to be different, which causes the display device to have a display horizontal stripe phenomenon, thereby causing the display device to have poor display.
Disclosure of Invention
The invention provides a display device, a driving method thereof and a driving device, which are used for avoiding a display horizontal stripe phenomenon so as to improve a poor display phenomenon.
In order to achieve the above object, the present invention provides a display substrate, which includes a plurality of rows of gate lines and a plurality of columns of data lines, wherein the gate lines and the data lines intersect to define pixel units, each row of the pixel units includes a plurality of pixel unit groups, and each pixel unit group includes one pixel unit or a plurality of adjacent pixel units;
in the adjacent pixel unit group of each row of pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of grid lines, and the pixel unit in the other pixel unit group is arranged corresponding to the adjacent row of grid lines of the current row of grid lines.
Optionally, the pixel unit includes a pixel electrode and a switching tube connected to the pixel electrode;
in the adjacent pixel unit group of each row of pixel units, the switching tube in one pixel unit group is connected with the current row of grid lines, and the switching tube in the other pixel unit group is connected with the adjacent row of grid lines of the current row of grid lines.
Optionally, each pixel cell group comprises one pixel cell.
Optionally, a first pole of the switching tube is connected to the pixel electrode, and a second pole of the switching tube is connected to the data line;
in the adjacent pixel unit group of each row of pixel units, the control electrode of the switching tube in one pixel unit group is connected with the current row of grid lines, and the control electrode of the switching tube in the other pixel unit group is connected with the adjacent row of grid lines of the current row of grid lines.
Optionally, the switching tube comprises a thin film transistor.
In order to achieve the above object, the present invention provides a display device including a counter substrate and the above display substrate which are oppositely disposed.
Optionally, the opposite substrate is a color film substrate, and the display substrate is an array substrate.
In order to achieve the above object, the present invention provides a driving method of a display substrate, the display substrate includes the above display substrate; the driving method includes:
the gate lines are applied with scanning signals, and the data lines output data voltages to the pixel electrodes.
Optionally, the driving manner of the display substrate includes an odd-even row alternating driving manner, the applying a scan signal to the gate line, and the outputting a data voltage to the pixel electrode by the data line includes:
scanning signals are loaded on the odd-numbered grid lines in sequence, and the data lines output data voltages to the pixel electrodes;
scanning signals are sequentially loaded on the even-numbered grid lines, and the data lines output data voltages to the pixel electrodes.
The invention has the beneficial effects that:
in the technical scheme of the display substrate, the driving method thereof and the display device provided by the invention, each row of pixel units comprises a plurality of pixel unit groups, each pixel unit group comprises one pixel unit or a plurality of adjacent pixel units, the pixel unit in one pixel unit group is arranged corresponding to the grid line of the current row in the adjacent pixel unit groups of each row of pixel units, and the pixel unit in the other pixel unit group is arranged corresponding to the grid line of the adjacent row of the grid line of the current row, so that the pixel units arranged corresponding to the grid line are distributed on two sides of the grid line, the brightness difference of the pixel units of the adjacent rows is avoided in the display process, the display cross striation phenomenon is avoided, and the display defect phenomenon is improved.
Drawings
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the invention;
fig. 2 is a schematic diagram of a display time of each frame of the display substrate in fig. 1.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the display substrate, the driving method thereof, and the display device provided by the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the present invention, as shown in fig. 1, the display substrate includes a plurality of rows of gate lines and a plurality of columns of data lines, the gate lines and the data lines intersect to define pixel units 11, each row of pixel units 11 includes a plurality of pixel unit groups, and each pixel unit group includes one pixel unit 11 or a plurality of adjacent pixel units 11. In the adjacent pixel unit group of each row of pixel units 11, the pixel unit 11 in one pixel unit group is arranged corresponding to the current row of gate lines, and the pixel unit 11 in the other pixel unit group is arranged corresponding to the adjacent row of gate lines of the current row of gate lines.
In this embodiment, the display substrate includes a plurality of Gate lines and a plurality of data lines, for example, fig. 1 shows four rows of Gate lines, which are Gate lines Gate1, Gate lines Gate2, Gate lines Gate3 and Gate lines Gate 4; in fig. 1, six columns of Data lines are shown, which are a Data line Data1, a Data line Data2, a Data line Data3, a Data line Data4, a Data line Data5 and a Data line Data 6.
In this embodiment, the pixel unit 11 preferably includes a pixel electrode 111 and a switching tube 112 connected to the pixel electrode 111. In the adjacent pixel unit groups of each row of pixel units 11, the switching tube 112 in one pixel unit group is connected to the current row of gate lines, and the switching tube 112 in the other pixel unit group is connected to the adjacent row of gate lines of the current row of gate lines.
In the present embodiment, it is preferable that each pixel cell group includes one pixel cell 11. In two adjacent pixel units 11 of each row of pixel units 11, the switching tube 112 in one pixel unit 11 is connected to the current row of gate lines, and the switching tube 112 in the other pixel unit group is connected to the adjacent row of gate lines of the current row of gate lines. For example, as shown in fig. 1, if the Gate line of the current row is the Gate line Gate2, and the Gate line of the adjacent row is the Gate line Gate1, in the first row of pixel units 11, when viewed from left to right, the switching tube 112 of the first pixel unit 11 is connected to the Gate line Gate2, and the switching tube 112 of the other pixel unit 11 is connected to the Gate line Gate 1.
In this embodiment, each pixel unit group may optionally further include a plurality of adjacent pixel units 11, which is not specifically shown. For example, each pixel unit group includes two adjacent pixel units 11, as shown in fig. 1, when viewed from left to right, in the first row of pixel units 11, the first pixel unit group includes a first pixel unit and a second pixel unit, the second pixel unit group includes a third pixel unit and a fourth pixel unit, and so on, which are not listed here. In each row of pixel units 11, in two adjacent pixel unit groups, the switching tubes 112 of two pixel units 11 in one pixel unit group are connected to the current row of gate line, and the switching tubes 112 of two pixel units 11 in the other pixel unit group are connected to the adjacent row of gate line of the current row of gate line. By analogy, there is no mention about the case where each pixel cell group includes three or more pixel cells 11.
In the present embodiment, the number of pixel cells 11 in different pixel cell groups may be the same or different.
In this embodiment, an adjacent line of the current line of the gate lines is a next line of the current line of the gate lines, or an adjacent line of the current line of the gate lines is an upper line of the current line of the gate lines. For example, as shown in fig. 1, in the first row of pixel units 11, if the Gate line in the current row is the Gate line Gate1, the Gate line in the adjacent row is the next Gate line of the Gate line Gate1, and the Gate line in the next row is the Gate line Gate 2; or, if the current row of Gate lines is the Gate line Gate2, the adjacent row of Gate lines is the previous row of Gate lines of the Gate line Gate2, and the previous row of Gate lines is the Gate line Gate 1.
In this embodiment, a first pole of the switching tube 112 is connected to the pixel electrode 111, and a second pole of the switching tube 112 is connected to the data line. In the adjacent pixel unit group of each row of pixel units 11, the control electrode of the switching tube 112 in one pixel unit group is connected to the current row of gate line, and the control electrode of the switching tube 112 in the other pixel unit group is connected to the adjacent row of gate line of the current row of gate line.
In this embodiment, the switching tube 112 preferably includes a thin film transistor.
In this embodiment, during the display time of each frame of the display substrate, the gate lines are applied with the scan signals, and the data lines output the data voltages to the pixel electrodes 111. Specifically, during the display time of each frame of the display substrate, the gate line is applied with a scan signal to turn on the switching tube 112, and the data line outputs a data voltage to the pixel electrode 111 through the turned-on switching tube 112 to charge the pixel electrode 111.
In this embodiment, the driving manner of each frame of the display substrate is preferably an odd-even line alternating driving manner. Specifically, firstly, in the display time of each frame of the display substrate, scanning signals are sequentially loaded on the odd-numbered row gate lines to turn on the corresponding switching tubes 112, and the data lines output data voltages to the pixel electrodes 111 through the turned-on switching tubes 112; then, scanning signals are sequentially applied to the even-numbered gate lines to turn on the corresponding switching tubes 112, and the data lines output data voltages to the pixel electrodes 111 through the turned-on switching tubes 112.
Fig. 2 is a schematic diagram illustrating a display time of each frame of the display substrate in fig. 1, and as shown in fig. 2, the display time of each frame of the display substrate includes an odd line scanning time, an odd line holding time, an even line scanning time and an even line holding time.
In the odd-numbered line scanning time, scanning signals are sequentially loaded on the Gate lines (e.g., the Gate lines Gate1 and Gate lines Gate3 in fig. 1) of the odd-numbered lines to turn on the corresponding switching tubes 112, and the data lines output data voltages to the pixel electrodes 111 through the turned-on switching tubes 112; during the odd-numbered line holding time, the data line continuously outputs the data voltage to the pixel electrode 111 through the turned-on switching tube 112.
In the even-numbered line scanning time, scanning signals are sequentially loaded on the Gate lines (e.g., the Gate lines Gate2 and Gate lines Gate4 in fig. 1) in the even-numbered lines to turn on the corresponding switching tubes 112, and the data lines output data voltages to the pixel electrodes 111 through the turned-on switching tubes 112; during the even row holding time, the data line continues to output the data voltage to the pixel electrode 111 through the turned-on switching tube 112.
As shown in fig. 2, the odd line scan time of the current frame is counted from the start of the odd line scan time of the current frame, and the even line scan time of the current frame is counted from the start of the even line scan time of the current frame. By analogy, this is not further enumerated here. Preferably, the driving frequency of the display substrate may include 1Hz to 30Hz, and in this embodiment, the display substrate is driven in a low-frequency driving manner.
In the technical scheme of the display substrate provided by this embodiment, each row of the pixel units includes a plurality of pixel unit groups, each pixel unit group includes one pixel unit or a plurality of adjacent pixel units, in the adjacent pixel unit group of each row of the pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of the gate line, and the pixel unit in another pixel unit group is arranged corresponding to the adjacent row of the current row of the gate line, so that the pixel units arranged corresponding to the gate line are distributed on two sides of the gate line, thereby avoiding the difference in brightness of the adjacent row of the pixel units in the display process, avoiding the display cross striation phenomenon, and improving the display defect phenomenon.
The second embodiment of the invention provides a display device, which comprises an opposite substrate and a display substrate which are oppositely arranged, wherein the display substrate comprises the display substrate provided by the first embodiment.
In this embodiment, preferably, the opposite substrate is a color film substrate, the display substrate is an array substrate, and the display device is a liquid crystal display device.
For a detailed description of the display substrate in this embodiment, reference may be made to the first embodiment, which is not repeated herein.
In the technical scheme of the display device provided by this embodiment, each row of the pixel units includes a plurality of pixel unit groups, each pixel unit group includes one pixel unit or a plurality of adjacent pixel units, in the adjacent pixel unit group of each row of the pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of the gate line, and the pixel unit in another pixel unit group is arranged corresponding to the adjacent row of the current row of the gate line, so that the pixel units arranged corresponding to the gate line are distributed on two sides of the gate line, thereby avoiding the difference in brightness of the adjacent row of the pixel units in the display process, avoiding the display cross striation phenomenon, and improving the display defect phenomenon.
An embodiment of the present invention provides a driving method of a display substrate, where the display substrate includes the display substrate provided in the first embodiment, and the driving method of the display substrate includes:
the gate lines are applied with scanning signals, and the data lines output data voltages to the pixel electrodes.
Specifically, a scan signal is applied to the gate line to turn on the switching tube, and the data line outputs a data voltage to the pixel electrode through the turned-on switching tube.
In this embodiment, the driving method of the display substrate may be preferably an odd-even row alternating driving method. Specifically, the applying a scan signal to the gate line and the outputting a data voltage to the pixel electrode by the data line includes:
step 301, scanning signals are sequentially loaded on the odd-numbered gate lines, and the data lines output data voltages to the pixel electrodes.
Specifically, the odd-numbered row gate lines are sequentially loaded with scanning signals to turn on corresponding switching tubes, and the data lines output data voltages to the pixel electrodes through the turned-on switching tubes.
Step 302, scanning signals are sequentially loaded on the even-numbered row gate lines, and the data lines output data voltages to the pixel electrodes.
Specifically, scanning signals are sequentially loaded on even-numbered row gate lines to enable corresponding switching tubes to be turned on, and the data lines output data voltages to the pixel electrodes through the turned-on switching tubes.
For a detailed description of the display substrate of this embodiment, reference may be made to the first embodiment, which is not repeated herein.
In the technical scheme of the driving method for the display substrate provided by this embodiment, each row of the pixel units includes a plurality of pixel unit groups, each pixel unit group includes one pixel unit or a plurality of adjacent pixel units, in the adjacent pixel unit groups of each row of the pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of the gate line, and the pixel unit in another pixel unit group is arranged corresponding to the adjacent row of the current row of the gate line, so that the pixel units arranged corresponding to the gate line are distributed on two sides of the gate line, thereby avoiding the brightness difference of the adjacent row of the pixel units in the display process, avoiding the display cross striation phenomenon, and improving the display defect phenomenon.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. The display substrate is driven in a low-frequency odd-even row alternating driving mode and comprises a plurality of rows of grid lines and a plurality of columns of data lines, the grid lines and the data lines are crossed to define pixel units, each row of the pixel units comprises a plurality of pixel unit groups, and each pixel unit group comprises one pixel unit or a plurality of adjacent pixel units;
in the adjacent pixel unit group of each row of pixel units, the pixel unit in one pixel unit group is arranged corresponding to the current row of grid lines, and the pixel unit in the other pixel unit group is arranged corresponding to the adjacent row of grid lines of the current row of grid lines.
2. The display substrate according to claim 1, wherein the pixel unit comprises a pixel electrode and a switching tube connected to the pixel electrode;
in the adjacent pixel unit group of each row of pixel units, the switching tube in one pixel unit group is connected with the current row of grid lines, and the switching tube in the other pixel unit group is connected with the adjacent row of grid lines of the current row of grid lines.
3. The display substrate of claim 1, wherein each pixel cell group comprises one pixel cell.
4. The display substrate according to claim 2, wherein a first pole of the switching tube is connected to the pixel electrode, and a second pole of the switching tube is connected to the data line;
in the adjacent pixel unit group of each row of pixel units, the control electrode of the switching tube in one pixel unit group is connected with the current row of grid lines, and the control electrode of the switching tube in the other pixel unit group is connected with the adjacent row of grid lines of the current row of grid lines.
5. The display substrate of claim 2, wherein the switching tube comprises a thin film transistor.
6. A display device comprising an opposing substrate and the display substrate according to any one of claims 1 to 5, which are disposed to face each other.
7. The display device according to claim 6, wherein the counter substrate is a color filter substrate, and the display substrate is an array substrate.
8. A method of driving a display substrate, wherein the display substrate comprises the display substrate of any one of claims 1 to 5; the driving method includes:
a scanning signal is loaded on the grid line, and the data line outputs a data voltage to the pixel electrode;
the display time of each frame of the display substrate comprises odd line scanning time, odd line holding time, even line scanning time and even line holding time; the driving method of the display substrate includes an odd-even line alternating driving method, the gate lines are loaded with scanning signals, and the data lines output data voltages to the pixel electrodes include:
in the odd-numbered line scanning time, scanning signals are sequentially loaded on odd-numbered line grid lines, and the data lines output data voltages to the pixel electrodes;
the data lines continuously output data voltages to the pixel electrodes during odd-numbered line holding times;
in the even line scanning time, scanning signals are loaded on the even line grid lines in sequence, and the data lines output data voltages to the pixel electrodes;
the data lines continue to output the data voltages to the pixel electrodes during the even-numbered row holding time.
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| CN202306059U (en) * | 2011-10-12 | 2012-07-04 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
| CN103293732A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Liquid crystal display panel driving method and liquid crystal display panel |
| CN103399440A (en) * | 2013-08-08 | 2013-11-20 | 京东方科技集团股份有限公司 | Array substrate, display device and drive method |
| CN104934006A (en) * | 2015-07-01 | 2015-09-23 | 京东方科技集团股份有限公司 | Display panel, driving method thereof, and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202306059U (en) * | 2011-10-12 | 2012-07-04 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
| CN103293732A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Liquid crystal display panel driving method and liquid crystal display panel |
| CN103399440A (en) * | 2013-08-08 | 2013-11-20 | 京东方科技集团股份有限公司 | Array substrate, display device and drive method |
| CN104934006A (en) * | 2015-07-01 | 2015-09-23 | 京东方科技集团股份有限公司 | Display panel, driving method thereof, and display device |
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