CN109491124A - A kind of array substrate, liquid crystal display panel and display device - Google Patents
A kind of array substrate, liquid crystal display panel and display device Download PDFInfo
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- CN109491124A CN109491124A CN201910042335.2A CN201910042335A CN109491124A CN 109491124 A CN109491124 A CN 109491124A CN 201910042335 A CN201910042335 A CN 201910042335A CN 109491124 A CN109491124 A CN 109491124A
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- touching signals
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
Abstract
The invention discloses a kind of array substrate, liquid crystal display panel and display devices, and dark space, the lower problem of transmitance are easy to appear near touching signals line to solve the touch-control display panel of the prior art.The array substrate, including being located at multiple pixel electrodes, the insulating layer on the pixel electrode and the common electrode layer on the insulating layer in array distribution on underlay substrate, wherein, the common electrode layer includes public electrode of multiple multiplexings as touch control electrode, and a plurality of touching signals line being correspondingly connected with each touch control electrode；The touching signals line covers the gap area between the pixel electrode in the orthographic projection on the underlay substrate.
Description
Technical field
The present invention relates to technical field of semiconductors more particularly to a kind of array substrates, liquid crystal display panel and display device.
Background technique
Oneself becomes main product in the market to flat-panel screens (F1at Pane1Disp1ay, FPD), flat-panel screens
Type is also more and more, such as liquid crystal display (Liquid Crysta1Disp1ay, LCD), Organic Light Emitting Diode (Organic
Light Emitted Diode, OLED) display, plasma display panel (P1asma Disp1ay Pane1, PDP) and
Field Emission Display (Field Emission Display, FED) etc..
Liquid crystal display is because double grid line (Dual gate) design can reduce data IC quantity, to reduce cost.But
The display panel of prior art Dual gate design is easy to appear dark space, the lower problem of transmitance near touching signals line.
Summary of the invention
The present invention provides a kind of array substrate, liquid crystal display panel and display device, aobvious with the touch-control for solving the prior art
Show that panel is easy to appear dark space, the lower problem of transmitance near touching signals line.
The embodiment of the present invention provides a kind of array substrate, including being located at multiple pictures in array distribution on underlay substrate
Plain electrode, the insulating layer on the pixel electrode and the common electrode layer on the insulating layer, wherein
The common electrode layer includes multiple public electrodes of the multiplexing as touch control electrode, and with each touch control electrode
The a plurality of touching signals line being correspondingly connected with；Orthographic projection of the touching signals line on the underlay substrate covers the pixel electricity
Gap area between pole.
In a kind of possible embodiment, orthographic projection of the touching signals line on the underlay substrate also with it is described
There are overlapping regions for orthographic projection of the pixel electrode of gap area two sides on underlay substrate.
In a kind of possible embodiment, the pixel electrode of the gap area two sides and the touching signals line
Overlapping overlapping area is identical.
In a kind of possible embodiment, further includes: layer where being located at the underlay substrate and the pixel electrode it
Between multiple data lines, the extending direction that the touching signals line projects on the underlay substrate is with the data line described
The extending direction projected on underlay substrate is identical.
In a kind of possible embodiment, orthographic projection of the data line on the underlay substrate is located at the pixel
The gap area between electrode；The touching signals line is from the data line bit in the different gap areas.
In a kind of possible embodiment, the touching signals line is arranged alternately with the data line.
In a kind of possible embodiment, the line width of the touching signals line is greater than the line width of the data line.
The embodiment of the present invention also provides a kind of liquid crystal display panel, including the array base as described in provided in an embodiment of the present invention
Plate, and include the opposite substrate opposite with the array substrate, it is provided between the array substrate and the opposite substrate
Liquid crystal layer, wherein
The opposite substrate is provided with black matrix, and orthographic projection of the black matrix on the underlay substrate covers the touching
Control orthographic projection of the signal wire on the underlay substrate.
In a kind of possible embodiment, the width of the black matrix is identical as the line width of the touching signals line.
The embodiment of the present invention also provides a kind of display device, including the LCD display as described in provided in an embodiment of the present invention
Plate.
The embodiment of the present invention has the beneficial effect that: array substrate provided in an embodiment of the present invention, including is located at underlay substrate
On it is multiple in the pixel electrode of array distribution, the insulating layer on the pixel electrode and be located at the insulation
Common electrode layer on layer, wherein the common electrode layer includes public electrode of multiple multiplexings as touch control electrode, and
The a plurality of touching signals line being correspondingly connected with each touch control electrode；Positive throwing of the touching signals line on the underlay substrate
Shadow covers the gap area between the pixel electrode, that is, in the embodiment of the present invention, touching signals line is set with public electrode same layer
It sets, the gap area between the top of pixel electrode layer, projection covering adjacent pixel electrodes, and then in display, due to
Pixel electrode and public electrode load different signals, and then can be in touching signals line between touching signals line and pixel electrode
Around form the electric field of control liquid crystal molecule deflection, and then can make to carry out light transmission around touching signals line；It can be to avoid
When touching signals line is set to other layers, for example, when touching signals line and data line same layer, when due to display, touching signals
Line is identical as the signal that public electrode loads, and electric field, and touching signals line and picture can not be formed around touching signals line
Electric field between plain electrode can be shielded by the public electrode of top, and then electric field can not be also formed around touching signals line,
And then cause touch-control display panel that can form dark space, the lower problem of transmitance around touching signals line.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of array substrate provided in an embodiment of the present invention；
Fig. 2 is the transmitance correlation curve of the display product of display product provided in an embodiment of the present invention and the prior art
Figure；
Fig. 3 is that there are the knots of the array substrate of overlapping region with pixel electrode for touching signals line provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 4 is a kind of structural schematic diagram of specific array substrate provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of display panel provided by the invention.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of the embodiment of the present disclosure are clearer, below in conjunction with disclosure reality
The technical solution of the embodiment of the present disclosure is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment is
A part of this disclosure embodiment, instead of all the embodiments.Based on described embodiment of the disclosure, this field is common
Technical staff's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of disclosure protection
It encloses.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in disclosure fields
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
In order to keep the following explanation of the embodiment of the present disclosure to understand and concise, known function and known portion is omitted in the disclosure
The detailed description of part.
Referring to Fig. 1, the embodiment of the present invention provides a kind of array substrate, multiple in battle array on underlay substrate 1 including being located at
The pixel electrode 3 of column distribution, the insulating layer 40 on pixel electrode 3 and the public electrode on insulating layer 40
Layer, wherein common electrode layer includes public electrode 4 of multiple multiplexings as touch control electrode, and company corresponding with each touch control electrode
The a plurality of touching signals line 5 connect；Interstitial area of the touching signals line 5 between the orthographic projection covering pixel electrode 3 on underlay substrate 1
Domain 8.
Array substrate provided in an embodiment of the present invention, including being located at multiple pixels in array distribution on underlay substrate
Electrode, the insulating layer on pixel electrode and the common electrode layer on insulating layer, wherein common electrode layer
Public electrode including multiple multiplexings as touch control electrode, and a plurality of touching signals line being correspondingly connected with each touch control electrode；
Gap area of the touching signals line between the orthographic projection covering pixel electrode on underlay substrate, that is, in the embodiment of the present invention, touching
It controls signal wire and public electrode same layer is arranged, positioned at the top of pixel electrode layer, between projection covers between adjacent pixel electrodes
Gap region, and then in display, since pixel electrode and public electrode load different signals, and then touching signals line and pixel
The electric field of control liquid crystal molecule deflection can be formed between electrode around touching signals line, and then touching signals line can be made
Around carry out light transmission；When can be to avoid touching signals line is set to other layers, for example, touching signals line and data line same layer
When, when due to display, touching signals line is identical as the signal that public electrode loads, and electricity can not be formed around touching signals line
, and the electric field between touching signals line and pixel electrode can be shielded by the public electrode of top, and then in touching signals line
Around can not also form electric field, and then cause touch-control display panel that can form dark space, transmitance around touching signals line
Lower problem.
In the specific implementation, the touch control electrode of the embodiment of the present invention can be self-tolerant touch control electrode, and touching signals line can
To connect one to one with touch control electrode, each touching signals line can be connected by overlapping with touch control electrode.
The dual gate touch-control and display driver designed Fig. 2 shows existing design and the present invention integrates (TDDI) and produces
The analog result schematic diagram of product, liquid crystal voltage and transmitance (VT) curve, S1 are that the dual gate TDDI of existing design is produced
The VT curve of product, S2 are the VT curve for the dual gate TDDI product that the present invention designs, wherein the dual that the present invention designs
Gate TDDI product includes above-mentioned array substrate provided in an embodiment of the present invention, and as seen from Figure 2, display of the invention produces
For product under identical voltage, transmitance is higher compared with the transmitance of the display product of the prior art.
In the specific implementation, shown in Figure 3, orthographic projection of the touching signals line 5 on underlay substrate 1 also with gap area
There are overlapping regions for orthographic projection of the pixel electrode 3 of 8 two sides on underlay substrate 1.In the embodiment of the present invention, touching signals line 5
In the orthographic projection on underlay substrate 1, also there are overlapping regions with orthographic projection of the pixel electrode 3 on underlay substrate 1, can more have
It can control the electric field of liquid crystal deflection conducive to formation between touching signals line 5 and pixel electrode 3.
In the specific implementation, shown in Figure 4, the array substrate of the embodiment of the present invention further include: be located at underlay substrate 1 with
Pixel electrode 3 multiple data lines 2 between layers, wherein the extending direction that touching signals line 5 projects on underlay substrate 1
It is identical as the extending direction that data line 2 projects on underlay substrate 1.In the specific implementation, 3 place layer of pixel electrode and data line
2 are also provided with data line insulating layer 30 between layers, can also be arranged between 2 place layer of data line and underlay substrate 1
There is grid (not shown), layer and data line 2 are also provided with gate insulating layer 20 between layers where grid.This hair
In bright embodiment, the extending direction of touching signals line 5 is identical as the extending direction of data line 2, if can be to avoid touching signals
Line and data line are not same directions, will be designed in the same direction with grid, have have the following problems in this way: currently without gate
Touch-control IC, only data touch-control IC need to develop new gate touch-control IC；If continuing to use data touch-control IC, need touch-control
Signal guides to the direction data, will increase dramatically the width of panel periphery non-display area, is not able to satisfy narrow frame product demand.Another
In a kind of specific embodiment, pixel electrode 3 and data line 2 can also be made with same layer.
In the specific implementation, shown in Figure 4, orthographic projection of the data line 2 on underlay substrate 1 be located at pixel electrode 3 it
Between gap area；Touching signals line 5 is located at different gap areas from data line 2.
In the specific implementation, touching signals line is arranged alternately with data line.That is, array base provided in an embodiment of the present invention
Plate, can be the array substrate that drive based on double grid line (dual gate), touch-control dot structure in the face that dual gate is designed,
Data line and touching signals line (Tx) are alternately present, and the corresponding pixel electrode of each sub-pix is separated, touch-control letter
The public electrode of number corresponding region line (Tx) needs hollow design to reduce load.
In the specific implementation, as shown in Figure 3 or Figure 4, the pixel electrode 3 Yu touching signals line 5 of 8 two sides of gap area are overlapping
Overlapping area it is identical.In the embodiment of the present invention, electric field is formed between touching signals line 5 and pixel electrode 3 to control liquid crystal
When deflection, the pixel electrode 3 of 8 two sides of gap area is identical as the overlapping area that touching signals line 5 overlaps, and then can make touch-control
The degree of deflection of the liquid crystal of 5 two sides of signal wire is identical, keeps the bright dark degree of touching signals line two sides identical.
In the specific implementation, the area of each pixel electrode 3 overlapped with touching signals line 5 accounts for 3 gross area of pixel electrode
4.2% or less, that is, less than 4.2%.In the embodiment of the present invention, the area of each pixel electrode 3 overlapped with touching signals line 5
Account for the 4.2% of 3 gross area of pixel electrode hereinafter, can to avoid touching signals line 5 and 3 overlapping region of pixel electrode it is excessive when,
Influence control of the pixel electrode 3 in display to liquid crystal deflection in pixel region.
In the specific implementation, the line width of touching signals line 5 is greater than the line width of data line 2.In the embodiment of the present invention, touch-control letter
Number line 5 and 4 same layer of public electrode are arranged, and touching signals line 5 specifically can be identical as the material of public electrode 4, due to common electrical
The material of pole 4 is generally tin indium oxide, and therefore, the material of the touching signals line 5 in the embodiment of the present invention is also tin indium oxide
(ITO).In addition, the dual gate of the prior art designs display panel, touching signals line 5 is general and 2 same layer of data line is arranged,
It is generally metal material, and in the embodiment of the present invention, it is contemplated that ITO is larger compared with the resistivity of metal, in order to avoid indium oxide
The touching signals line 5 of tin material may lead to the problem of signal delay, therefore, the embodiment of the present invention since resistivity is larger
In touching signals line 5 line width be greater than data line 2 line width.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of liquid crystal display panel, shown in Figure 5, including
Such as array substrate provided in an embodiment of the present invention, and include the opposite substrate opposite with array substrate, array substrate and opposite direction
Liquid crystal layer is provided between substrate, wherein opposite substrate includes opposite underlay substrate 6, and is arranged in opposite 6 face of underlay substrate
To the black matrix 7 of array substrate one side, orthographic projection covering touching signals line 5 of the black matrix 7 on underlay substrate 1 is in underlay substrate
Orthographic projection on 1.
In the specific implementation, the width of black matrix 7 is identical as the line width of touching signals line 5.In the prior art, data line or
The material of other signals line is generally metal, and black matrix is generally used for blocking data line or other signals line, align in order to prevent
When deviation, and then can design black matrix covering data line or signal wire line width, that is, for example, black matrix is in data line pair
The area that should locate is greater than data line, and in the embodiment of the present invention, when the material of touching signals line is tin indium oxide, black matrix pair
It does not play interception additionally and briefly, and then the width that black matrix 7 can be set is identical as the line width of touching signals line 5.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of display device, including as the embodiment of the present invention mentions
The liquid crystal display panel of confession.
The embodiment of the present invention has the beneficial effect that: array substrate provided in an embodiment of the present invention, including is located at underlay substrate
On it is multiple in the pixel electrode of array distribution, the insulating layer on pixel electrode and on insulating layer
Common electrode layer, wherein common electrode layer includes multiple public electrodes of the multiplexing as touch control electrode, and with each touch control electrode
The a plurality of touching signals line being correspondingly connected with；Gap of the touching signals line between the orthographic projection covering pixel electrode on underlay substrate
Region, that is, in the embodiment of the present invention, touching signals line and public electrode same layer are arranged, positioned at the top of pixel electrode layer, projection
Cover the gap area between adjacent pixel electrodes, and then in display, due to pixel electrode and public electrode load it is different
Signal, and then control liquid crystal molecule deflection can be formed between touching signals line and pixel electrode around touching signals line
Electric field, and then can make to carry out light transmission around touching signals line；When can be to avoid touching signals line be set to other layers, example
Such as, when touching signals line is with data line same layer, when due to display, touching signals line is identical as the signal that public electrode loads, nothing
Method forms electric field around touching signals line, and the electric field between touching signals line and pixel electrode can be by the public of top
Electrode screening, and then electric field can not be also formed around touching signals line, and then cause touch-control display panel that can believe in touch-control
Dark space, the lower problem of transmitance are formed around number line.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of array substrate, which is characterized in that including be located at multiple pixel electrodes in array distribution on underlay substrate,
Insulating layer on the pixel electrode and the common electrode layer on the insulating layer, wherein
The common electrode layer includes public electrode of multiple multiplexings as touch control electrode, and corresponding with each touch control electrode
The a plurality of touching signals line of connection；Orthographic projection of the touching signals line on the underlay substrate cover the pixel electrode it
Between gap area.
2. array substrate as described in claim 1, which is characterized in that the touching signals line on the underlay substrate just
Also there are overlapping regions with orthographic projection of the pixel electrode of the gap area two sides on underlay substrate for projection.
3. array substrate as claimed in claim 2, which is characterized in that the pixel electrode of the gap area two sides and institute
It is identical to state the overlapping overlapping area of touching signals line.
4. array substrate as described in claim 1, which is characterized in that further include: it is located at the underlay substrate and the pixel
Electrode multiple data lines between layers, the extending direction that the touching signals line projects on the underlay substrate with it is described
The extending direction that data line projects on the underlay substrate is identical.
5. array substrate as claimed in claim 4, which is characterized in that orthographic projection of the data line on the underlay substrate
The gap area between the pixel electrode；Between the touching signals line and the data line bit are described in different
Gap region.
6. array substrate as claimed in claim 5, which is characterized in that the touching signals line replaces row with the data line
Cloth.
7. array substrate as described in claim 1, which is characterized in that the line width of the touching signals line is greater than the data line
Line width.
8. a kind of liquid crystal display panel, which is characterized in that including such as described in any item array substrates of claim 1-7, and
Including the opposite substrate opposite with the array substrate, it is provided with liquid crystal layer between the array substrate and the opposite substrate,
Wherein,
The opposite substrate is provided with black matrix, and orthographic projection of the black matrix on the underlay substrate covers the touch-control letter
Number orthographic projection of the line on the underlay substrate.
9. liquid crystal display panel as claimed in claim 8, which is characterized in that the width of the black matrix and the touching signals
The line width of line is identical.
10. a kind of display device, which is characterized in that including liquid crystal display panel as claimed in claim 8 or 9.
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| CN201910042335.2A CN109491124B (en) | 2019-01-17 | 2019-01-17 | Array substrate, liquid crystal display panel and display device |
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| CN201910042335.2A CN109491124B (en) | 2019-01-17 | 2019-01-17 | Array substrate, liquid crystal display panel and display device |
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| CN112684645A (en) * | 2019-10-18 | 2021-04-20 | 京东方科技集团股份有限公司 | Double-gate array substrate and display device |
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| US11906864B2 (en) | 2016-02-02 | 2024-02-20 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Dual-gate array substrate and display device |
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| CN112684645A (en) * | 2019-10-18 | 2021-04-20 | 京东方科技集团股份有限公司 | Double-gate array substrate and display device |
| CN112684645B (en) * | 2019-10-18 | 2023-02-03 | 京东方科技集团股份有限公司 | Double-gate array substrate and display device |
| CN112269490A (en) * | 2020-10-22 | 2021-01-26 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN112269490B (en) * | 2020-10-22 | 2024-03-15 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN114442383A (en) * | 2022-01-30 | 2022-05-06 | 合肥京东方光电科技有限公司 | Display panel and display device |
| CN114442383B (en) * | 2022-01-30 | 2024-01-09 | 合肥京东方光电科技有限公司 | Display panel and display device |
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| CN109491124B (en) | 2021-08-10 |
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