CN109613768A - Display panel and display device - Google Patents
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- CN109613768A CN109613768A CN201811572064.3A CN201811572064A CN109613768A CN 109613768 A CN109613768 A CN 109613768A CN 201811572064 A CN201811572064 A CN 201811572064A CN 109613768 A CN109613768 A CN 109613768A
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- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
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- 239000004973 liquid crystal related substance Substances 0.000 description 3
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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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- Crystallography & Structural Chemistry (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a display panel and display device, display panel includes: a plurality of scan lines including a plurality of first scan lines and a plurality of second scan lines alternately arranged; a plurality of data lines arranged to cross the scan lines; the control ends of the first switches are coupled with the first scanning lines, the first ends of the first switches are coupled with the data lines, and the second ends of the first switches are coupled with the pixel electrodes; a plurality of second switches, wherein the control ends of the second switches are coupled with the second scanning lines, the first ends are coupled with the data lines, and the second ends are coupled with the pixel electrodes; the second end of the first switch and the first scanning line have a first overlapping area to form a first capacitor, the second end of the second switch and the second scanning line have a second overlapping area to form a second capacitor, and the area of the second overlapping area is larger than that of the first overlapping area, so that the second capacitor is larger than the first capacitor.
Description
Technical field
This application involves display fields, more particularly to a kind of display panel and display device.
Background technique
(Thin Film Transistor Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD
Showing device), have the advantages that low cost, low-power consumption and high performance, is commonly employed in fields such as electronics, digital products,
It is modern IT, display platform important in video product.The driving of pixel unit in TFT-LCD is then needed through gate driving electricity
Road and source electrode drive circuit drive corresponding scan line and data line to be realized.With panel size, resolution and big visual angle
The demand of image quality improves, and further increases user experience and save the cost, and each business men develops many related display necks
The manufacturing technology in domain.
In a display device, in order to reduce power consumption, the exchange driving method that portioned product can use is 2 dot inversion of column.Column 2
Dot inversion is the synthesis of column inversion and dot inversion, is shown as on each column with (2 points) of two sub-pixels as unit positive-negative polarity
Reversion, two adjacent column sub-pixels are then that unit positive-negative polarity inverts with column.From the point of view of drive waveforms, data driving chip is with two
A addressing time (2Hsync period) be unit, be driven reverse signal voltage, waveform frequency between dot inversion and column inversion,
So its power consumption can be lower than dot inversion.
However, data-signal is when adjacent two pixel charges since 2 points of same row adjacent pixel of polarity is identical in display
Delay can there are great differences, this results in the charge rate of adjacent pixel different so that the brightness of adjacent pixel has differences,
It can cause the bright concealed wire problem in horizontal or vertical direction in display, this problem is particularly evident under low ash rank, thus shadow
Display quality is rung.
Summary of the invention
In order to solve the above-mentioned technical problem, this application provides a kind of display panel and display devices.
It the purpose of the application and solves its technical problem and adopts the following technical solutions to realize.It is proposed according to the application
A kind of display panel, comprising: multi-strip scanning line, including a plurality of first scan line and a plurality of second scan line being alternately arranged；
Multiple data lines, with the scan line cross-over configuration；Multiple first switches, the control terminal coupling described first of the first switch
Scan line, first end couple the data line, and second end couples pixel electrode；Multiple second switches, the control of the second switch
End processed couples second scan line, and first end couples the data line, and second end couples pixel electrode；Wherein, described first
The second end of switch and first scan line have the first overlapping region, to form first capacitor；The of the second switch
Two ends and second scan line have the second overlapping region, to form the second capacitor；The area of second overlapping region is big
In the area of first overlapping region, so that second capacitor is greater than the first capacitor.
In the embodiment of the application, the length of second overlapping region, greater than the length of first overlapping region
Degree.
In the embodiment of the application, the width of second overlapping region, greater than the width of first overlapping region
Degree.
In the embodiment of the application, the shape of second overlapping region is X-shaped.
In the embodiment of the application, the second end of the second end of the first switch and second switch is towards different directions
Extend, so that there are two crossover regions for the second end of the first switch or the second end of the second switch and the scan line tool
Domain.
In the embodiment of the application, first overlapping region includes the first main overlapping region and the first sub- crossover region
Domain, second overlapping region include the second main overlapping region and the second sub- overlapping region, wherein the second main overlapping region
Area be greater than or equal to the area of the described first main overlapping region, the area of the second sub- overlapping region is greater than or equal to institute
State the area of the first sub- overlapping region.
In the embodiment of the application, the length of the second sub- overlapping region is greater than or equal to first son and hands over
The length in folded region.
In the embodiment of the application, the shape of the second sub- overlapping region is "T"-shaped or X-shaped.
It the purpose of the application and solves its technical problem also following technical measures can be used to further realize.
The another object of the application be a kind of display panel, comprising: multi-strip scanning line, including be alternately arranged a plurality of first
Scan line and a plurality of second scan line；Multiple data lines, with the scan line cross-over configuration；Multiple first switches, described first
The control terminal of switch couples first scan line, and first end couples the data line, and second end couples pixel electrode；Multiple
Two switches, the control terminal of the second switch couple second scan line, and first end couples the data line, second end coupling
Pixel electrode.Wherein, the second end of the first switch and first scan line have the first overlapping region, to form first
Capacitor；The second end of the second switch and second scan line have the second overlapping region, described to form the second capacitor
The area of second overlapping region is greater than the area of first overlapping region, so that second capacitor is greater than first electricity
Hold.Wherein, the length of second overlapping region is greater than the length of first overlapping region, or, second overlapping region
Width be greater than first overlapping region width.Wherein, the shape of first overlapping region or second overlapping region
Shape is symmetric shape.
The further object of the application is a kind of display device, including a display panel, the panel include: multi-strip scanning
Line, including a plurality of first scan line and a plurality of second scan line being alternately arranged；Multiple data lines are intersected with the scan line and are matched
It sets；Multiple first switches, the control terminal of the first switch couple first scan line, and first end couples the data line,
Second end couples pixel electrode；The control terminal of multiple second switches, the second switch couples second scan line, first end
The data line is coupled, second end couples pixel electrode；Wherein, the second end of the first switch and first scan line have
There is the first overlapping region, to form first capacitor；The second end of the second switch and second scan line have second to hand over
Folded region, to form the second capacitor；The area of second overlapping region is greater than the area of first overlapping region, so that institute
The second capacitor is stated greater than the first capacitor.
In the embodiment of the application, the length of second overlapping region, greater than the length of first overlapping region
Degree.
In the embodiment of the application, the width of second overlapping region, greater than the width of first overlapping region
Degree.
In the embodiment of the application, the shape of second overlapping region is X-shaped.
In the embodiment of the application, the second end of the second end of the first switch and second switch is towards different directions
Extend, so that there are two crossover regions for the second end of the first switch or the second end of the second switch and the scan line tool
Domain.
In the embodiment of the application, first overlapping region includes the first main overlapping region and the first sub- crossover region
Domain, second overlapping region include the second main overlapping region and the second sub- overlapping region, wherein the second main overlapping region
Area be greater than or equal to the area of the described first main overlapping region, the area of the second sub- overlapping region is greater than or equal to institute
State the area of the first sub- overlapping region.
In the embodiment of the application, the length of the second sub- overlapping region is greater than or equal to first son and hands over
The length in folded region.
In the embodiment of the application, the shape of the second sub- overlapping region is "T"-shaped or X-shaped.
The application passes through the second end of the active switch of adjacent pixel and the difference of scan line overlapping area, adjustable phase
It is generated under the driving method of column two-dot inversion to solve display panel for capacitance size in adjacent pixel between source electrode and grid
Bright concealed wire problem in horizontal or vertical direction improves display quality.
Detailed description of the invention
Fig. 1 is exemplary dot structure schematic diagram.
Fig. 2 is exemplary pixel circuit schematic diagram.
Fig. 3 is the dot structure schematic diagram of one embodiment of the application.
Fig. 4 is the active switch structural schematic diagram of one embodiment of the application.
Fig. 5 is the active switch structural schematic diagram of one embodiment of the application.
Fig. 6 is the active switch structural schematic diagram of one embodiment of the application.
Fig. 7 is the active switch structural schematic diagram of one embodiment of the application.
Fig. 8 is the active switch structural schematic diagram of one embodiment of the application.
Fig. 9 is the active switch structural schematic diagram of one embodiment of the application.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the application with reference to additional schema
Example.The direction term that the application is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the application, rather than to
Limit the application.
Attached drawing and explanation are considered inherently illustrative, rather than restrictive.The similar list of structure in the figure
Member is to be given the same reference numerals.In addition, in order to understand and be convenient for description, the size and thickness of each component shown in the accompanying drawings are
It is arbitrarily shown, but the application is without being limited thereto.
In the accompanying drawings, for clarity, the thickness in layer, film, panel, region etc. is exaggerated.In the accompanying drawings, in order to understand
With convenient for description, the thickness of some layer and region is exaggerated.It will be appreciated that ought such as layer, film, region or substrate component quilt
Referred to as " " another component "upper" when, the component can be directly on another component, or there may also be middle groups
Part.
In addition, in the description, unless explicitly described as opposite, otherwise word " comprising " will be understood as meaning to wrap
The component is included, but is not excluded for any other component.In addition, in the description, " above " means to be located at target group
Part either above or below, and be not intended to must be positioned on the top based on gravity direction.
Further to illustrate that the application is the technical means and efficacy reaching predetermined goal of the invention and being taken, below in conjunction with
Attached drawing and specific embodiment, to a kind of display panel and display device proposed according to the application, specific embodiment, knot
Structure, feature and its effect, detailed description is as follows.
Fig. 1 is exemplary dot structure schematic diagram and Fig. 2 is exemplary pixel circuit schematic diagram, be please also refer to
Fig. 1 and Fig. 2, a kind of exemplary display panel 10, comprising: multi-strip scanning line 101；Multiple data lines 102, with the scan line
101 cross-over configurations define multiple pixel regions；Multiple active switches 110 (can be opened for example including first switch 111 and second
It closes 112), is set to the pixel region, and couple corresponding scan line and data line.The inversion mode of display panel 10 is column
2 dot inversions, the polarity that 2 points of same row adjacent pixel is identical, and delay of the data-signal when adjacent two pixel charges can exist very
Big difference, this results in the charge rate of adjacent pixel different, so that the brightness of adjacent pixel has differences, can cause in display
Bright concealed wire in horizontal or vertical direction.
Fig. 3 be one embodiment of the application dot structure schematic diagram and Fig. 4 be one embodiment of the application active switch knot
Structure schematic diagram.It please also refer to Fig. 2 to Fig. 4, in the embodiment of the application, a kind of display panel, comprising: multi-strip scanning line
101, including a plurality of first scan line and a plurality of second scan line being alternately arranged；Multiple data lines 102 are handed over the scan line
Fork configuration；Multiple first switches 111, the control terminal of the first switch 111 couple first scan line, and first end couples institute
Data line is stated, second end couples pixel electrode；Multiple second switches 112, the control terminal coupling described the of the second switch 112
Two scan lines, first end couple the data line, and second end couples pixel electrode；Wherein, the second end of the first switch 111
There is the first overlapping region with first scan line, to form first capacitor Cgs1；The second end of the second switch 112 with
Second scan line has the second overlapping region, to form the second capacitor Cgs2；The area S2 of second overlapping region is big
In the area S1 of first overlapping region, so that the second capacitor Cgs2 is greater than the first capacitor Cgs1.
In the embodiment of the application, the length of first overlapping region is d1, the length of second overlapping region
Degree is d2.
In the embodiment of the application, length d2 is greater than length d1, so that the area S2 of the second overlapping region is greater than the
The area S1 of one overlapping region.
Fig. 5 is the active switch structural schematic diagram of one embodiment of the application.It please also refer to Fig. 2 to Fig. 5, the application's
In one embodiment, a kind of display panel, comprising: the multi-strip scanning line 101 and multiple data lines 102 of cross-over configuration,；Multiple first
Switch 111, the control terminal of the first switch 111 couple the first scan line, and first end couples the data line, second end coupling
Pixel electrode；Multiple second switches 112, the control terminal of the second switch 112 couple the second scan line, described in first end coupling
Data line, second end couple pixel electrode.Wherein, the second end of the first switch 111 and first scan line have the
One overlapping region, the second end of the second switch 112 and second scan line have the second overlapping region；At least partly institute
The width for stating the second overlapping region is W2, is greater than the width W1 of first overlapping region, and make second crossover region
The area S2 in domain is greater than the area S1 of first overlapping region.
Fig. 6 is the active switch structural schematic diagram of one embodiment of the application.It please also refer to Fig. 2 to Fig. 6, the application's
In one embodiment, a kind of display panel, comprising: the multi-strip scanning line 101 and multiple data lines 102 of cross-over configuration,；Multiple first
Switch 111, the control terminal of the first switch 111 couple the first scan line, and first end couples the data line, second end coupling
Pixel electrode；Multiple second switches 112, the control terminal of the second switch 112 couple the second scan line, described in first end coupling
Data line, second end couple pixel electrode.Wherein, the second end of the second switch 112 extends branch by its middle part, described
Branch is simultaneously covered in second scan line, so that the area S2 of second overlapping region is greater than first overlapping region
Area S1.
In the embodiment of the application, the shape of second overlapping region is X-shaped or cross.
Fig. 7 is the active switch structural schematic diagram of one embodiment of the application.It please also refer to Fig. 2 to Fig. 7, the application's
In one embodiment, a kind of display panel, comprising: the multi-strip scanning line 101 and multiple data lines 102 of cross-over configuration,；Multiple first
Switch 111, the control terminal of the first switch 111 couple the first scan line, and first end couples the data line, second end coupling
Pixel electrode；Multiple second switches 112, the control terminal of the second switch 112 couple the second scan line, described in first end coupling
Data line, second end couple pixel electrode.The second end of the first switch and the second end of second switch are prolonged towards different directions
It stretches, so that there are two crossover regions for the second end of the first switch or the second end of the second switch and the scan line tool
Domain.
In the embodiment of the application, first overlapping region includes the first main overlapping region and the first sub- crossover region
Domain, second overlapping region include the second main overlapping region and the second sub- overlapping region.Wherein, the described second main overlapping region
Area S21 be greater than or equal to the described first main overlapping region area S11, the area S22 of the second sub- overlapping region it is big
In or equal to the first sub- overlapping region area S12, and the area S2 of second overlapping region is made to be greater than described the
The area S1 of one overlapping region.
In the embodiment of the application, the length of the second sub- overlapping region is greater than or equal to first son and hands over
The length in folded region.
Fig. 8 and Fig. 9 is the active switch structural schematic diagram of one embodiment of the application, please also refer to Fig. 2 to Fig. 9, at this
In one embodiment of application, a kind of display panel, comprising: the multi-strip scanning line 101 and multiple data lines 102 of cross-over configuration,；It is more
A first switch 111, control terminal the first scan line of coupling of the first switch 111, the first end coupling data line, second
End coupling pixel electrode；The control terminal of multiple second switches 112, the second switch 112 couples the second scan line, first end coupling
The data line is connect, second end couples pixel electrode.The of the second end of the first switch 111 and the second switch 112
Two ends extend towards different directions so that the second end of the first switch 111 or the second end of the second switch 112 with it is corresponding
Scan line tool there are two overlapping region.Wherein, the second sub- overlapping region of the second switch 112 is by middle part or tail portion
Extend branch, the branch is simultaneously covered in second scan line, so that the area S22 of the second sub- overlapping region is big
In the area S12 of the described first sub- overlapping region, the area S2 of second overlapping region is also made to be greater than described first overlapping
The area S1 in region.
In the embodiment of the application, the shape of the second sub- overlapping region may be, for example, "T"-shaped or X-shaped or ten
Font.
In some embodiments, the shape of first overlapping region or the second overlapping region is symmetric shape.
In some embodiments, in the various embodiments described above the second end of second switch 112 and scan line overlapping region shape
Formula can also combine configuration, may be, for example, that the second main overlapping region and the second sub- overlapping region extend branch, so that described
The area S2 of second overlapping region is greater than the area S1 of the first overlapping region, can also be above-mentioned other combinations or equivalent folded
Add.
In some embodiments, the area S1 of the first overlapping region is greater than by the area S2 of second overlapping region,
So that the second capacitor Cgs2 between the second end and scan line of second switch 112 is greater than the second end of first switch 111 and sweeps
Retouch the first capacitor Cgs1 between line.This design so that display panel charging when, in two adjacent pixels of identical polar,
If previous pixel, can be small by first capacitor Cgs1 since reversal, charge rate are less than the charge rate of latter pixel
In the second capacitor Cgs2, the feed-trough voltage of latter pixel is greater than the feed-trough voltage of previous pixel, and the difference of charge rate is made up with this,
The problems such as then making panel that the picture of brightness uniformity be presented, eliminating bright concealed wire.
In some embodiments, the display panel of the application may be, for example, liquid crystal display panel, so without being limited thereto, also may be used
For OLED display panel, W-OLED display panel, QLED display panel, plasma display panel, curved face type display panel or
Other types display panel.
It please also refer to Fig. 2 to Fig. 9, in one embodiment, a kind of display device, including described in the various embodiments described above
Display panel.
The application passes through the second end of the active switch of adjacent pixel and the difference of scan line overlapping area, adjustable phase
Capacitor in adjacent pixel between source electrode and grid solves display panel generated level under the driving method of column two-dot inversion
Or the bright concealed wire problem in vertical direction, improve display quality.
" in some embodiments " and " in various embodiments " terms are used repeatedly etc..The term is not usually
Refer to identical embodiment；But it may also mean that identical embodiment.The words such as "comprising", " having " and " comprising " are synonymous
Word, unless its context meaning shows other meanings.
The above is only embodiments herein, not makes any form of restriction to the application, although the application
It is disclosed above with specific embodiment, however it is not limited to the application, any person skilled in the art, not
It is detached within the scope of technical scheme, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, but all contents without departing from technical scheme, the technical spirit according to the application is to the above reality
Any simple modification, equivalent change and modification made by example are applied, in the range of still falling within technical scheme.
Claims (10)
1. a kind of display panel characterized by comprising
Multi-strip scanning line, including a plurality of first scan line and a plurality of second scan line being alternately arranged；
Multiple data lines, with the scan line cross-over configuration；
Multiple first switches, the control terminal of the first switch couple first scan line, and first end couples the data line,
Second end couples pixel electrode；
Multiple second switches, the control terminal of the second switch couple second scan line, and first end couples the data line,
Second end couples pixel electrode；
Wherein, the second end of the first switch and first scan line have the first overlapping region, to form first capacitor；
The second end of the second switch and second scan line have the second overlapping region, to form the second capacitor；
Wherein, the area of second overlapping region is greater than the area of first overlapping region, so that second capacitor is big
In the first capacitor.
2. display panel as described in claim 1, which is characterized in that the length of second overlapping region is greater than described the
The length of one overlapping region.
3. display panel as described in claim 1, which is characterized in that the width of second overlapping region is greater than described the
The width of one overlapping region.
4. display panel as described in claim 1, which is characterized in that the second end of the second switch is extended by its middle part
Branch, the branch are simultaneously covered in second scan line, and the shape of second overlapping region is X-shaped.
5. display panel as described in claim 1, which is characterized in that the second end of the first switch and the second switch
Second end towards different directions extend so that the second end of the first switch or the second end of the second switch are swept with described
Retouching line tool, there are two overlapping regions.
6. display panel as claimed in claim 5, which is characterized in that first overlapping region includes the first main overlapping region
With the first sub- overlapping region, second overlapping region includes the second main overlapping region and the second sub- overlapping region, wherein described
The area of second main overlapping region is greater than or equal to the area of the described first main overlapping region, the face of the second sub- overlapping region
Product is greater than or equal to the area of the described first sub- overlapping region.
7. display panel as claimed in claim 6, which is characterized in that the length of the second sub- overlapping region is greater than or waits
In the length of the described first sub- overlapping region.
8. display panel as claimed in claim 6, which is characterized in that the middle part or tail portion of the second end of the second switch are prolonged
Branch is stretched out, the branch is covered in second scan line, wherein the shape of the second sub- overlapping region is "T"-shaped
Or X-shaped.
9. a kind of display panel characterized by comprising
Multi-strip scanning line, including a plurality of first scan line and a plurality of second scan line being alternately arranged；
Multiple data lines, with the scan line cross-over configuration；
Multiple first switches, the control terminal of the first switch couple first scan line, and first end couples the data line,
Second end couples pixel electrode；
Multiple second switches, the control terminal of the second switch couple second scan line, and first end couples the data line,
Second end couples pixel electrode；
Wherein, the second end of the first switch and first scan line have the first overlapping region, to form first capacitor；
The second end of the second switch and second scan line have the second overlapping region, to form the second capacitor, described second
The area of overlapping region is greater than the area of first overlapping region, so that second capacitor is greater than the first capacitor；
Wherein, the length of second overlapping region is greater than the length of first overlapping region, or, second overlapping region
Width be greater than first overlapping region width；
Wherein, the shape of first overlapping region or the shape of second overlapping region are symmetric shape.
10. a kind of display device, which is characterized in that including display panel as claimed in any one of claims 1-9 wherein.
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| CN201811572064.3A CN109613768A (en) | 2018-12-21 | 2018-12-21 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811572064.3A CN109613768A (en) | 2018-12-21 | 2018-12-21 | Display panel and display device |
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| CN101776828A (en) * | 2010-02-04 | 2010-07-14 | 深超光电（深圳）有限公司 | Pixel array base plate |
| CN103149761A (en) * | 2010-12-28 | 2013-06-12 | 友达光电股份有限公司 | Liquid crystal display panel and liquid crystal display array substrate |
| CN102364387A (en) * | 2011-10-12 | 2012-02-29 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
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Application publication date: 20190412 |