CN207882875U - A kind of touch display panel and touch display unit - Google Patents
A kind of touch display panel and touch display unit Download PDFInfo
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- CN207882875U CN207882875U CN201820301483.2U CN201820301483U CN207882875U CN 207882875 U CN207882875 U CN 207882875U CN 201820301483 U CN201820301483 U CN 201820301483U CN 207882875 U CN207882875 U CN 207882875U
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- underlay substrate
- display panel
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- touch
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Abstract
The utility model embodiment discloses a kind of touch display panel and touch display unit, the wherein touch display panel include：First underlay substrate；Second underlay substrate opposed with the first underlay substrate；The liquid crystal layer being set between the first underlay substrate and the second underlay substrate；Further include metal grating layer, metal grating layer is set to the first underlay substrate close to the side of the second underlay substrate as polaroid；And/or metal grating layer is set to the second underlay substrate close to the side of the first underlay substrate；Metal grating layer includes metal wire that is multiple parallel and being intervally installed；Metal grating layer concurrent multiplexing is touch control electrode layer and common electrode layer.The utility model can improve touch display panel touch-control sensitivity, reduce the thickness of touch display panel.
Description
Technical field
The utility model is related to touch display field more particularly to a kind of touch display panel and touch display unit.
Background technology
With the development of display technology, touch technology is incorporated into liquid crystal display panel, i.e. touch panel and liquid crystal display
Panel integration becomes a kind of trend.
Currently, touch panel and liquid crystal display panel integrated technique include two kinds of In cell and On cell, wherein In
Cell refers to that touch panel function is embedded into liquid crystal display panel.The display panel that In cell technologies make is in upper base
Touch control electrode layer is arranged in plate or lower substrate side, and touch control electrode layer makes to be formed using ITO (tin indium oxide) conductive film.
Since In cell use ITO as touch control electrode, and the impedance of ITO is higher, therefore, in the touch-control stage, touch-control letter
It number can decay, touch-control sensitivity is caused to reduce, and in the display stage, also it be easy to cause the uneven problem of display.Another party
Face, although using the touch display panel of In cell technologies compared to the thickness that touch panel is arranged on liquid crystal display panel
Reduce very much, still, cannot still meet people's requirement lightening to electric terminal.
Utility model content
The utility model provides a kind of touch display panel and touch display unit, to realize raising touch-control sensitivity,
Reduce the purpose of the thickness of touch display panel simultaneously.
In a first aspect, the utility model embodiment provides a kind of touch display panel, including：
First underlay substrate, second underlay substrate opposed with first underlay substrate, and it is set to described first
Liquid crystal layer between underlay substrate and second underlay substrate；
Further include metal grating layer, it is close to be set to first underlay substrate as polaroid for the metal grating layer
The side of second underlay substrate；And/or the metal grating layer is set to second underlay substrate close to described first
The side of underlay substrate；The metal grating layer includes metal wire that is multiple parallel and being intervally installed；The metal grating
Layer concurrent multiplexing is touch control electrode layer and common electrode layer.
Further, the touch display panel is self-tolerant touch display panel.
Further, the metal grating layer is set to first underlay substrate close to the one of second underlay substrate
Side；
Second underlay substrate is provided with polaroid away from the side of first underlay substrate, and the metal wire extends
Direction is vertical with the polarizing axis of the polaroid.
Further, the metal grating layer is set to second underlay substrate close to the one of first underlay substrate
Side；
First underlay substrate is provided with polaroid away from the side of second underlay substrate, and the metal wire extends
Direction is vertical with the polarizing axis of the polaroid.
Further, the touch display panel is mutual capacitance type touch display panel.
Further, the metal grating layer is set to first underlay substrate close to the one of second underlay substrate
Side and second underlay substrate are close to the side of first underlay substrate；
The extending direction for the metal wire being set on first underlay substrate and it is set to the second substrate base
The extending direction of the metal wire on plate is vertical.
Further, the material of the metal wire is aluminium or silver.
Second aspect, the utility model embodiment additionally provide a kind of touch display unit, including the utility model is arbitrary
The touch display panel that embodiment provides.
The utility model embodiment by the first underlay substrate close to the side of the second underlay substrate and/or the second substrate
Metal grating layer is arranged close to the side of the first underlay substrate in substrate, and metal grating layer includes as polaroid, metal grating layer
Metal wire that is multiple parallel and being intervally installed, and be touch control electrode layer and common electrode layer by metal grating layer concurrent multiplexing
It is aobvious to solve existing touch since the impedance ratio ITO of metal wire wants much lower for the function of realizing touch-control and display multiplexing
Show that panel uses ITO to be shown not as in touch-control stage touching signals generation decaying caused by touch control electrode and in the display stage
Equal problem improves the touch-control sensitivity and display effect of touch display panel.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for touch display panel that the utility model embodiment one provides.
Fig. 2 is a kind of structural schematic diagram for metal grating layer that the utility model embodiment one provides.
Fig. 3 is a kind of structural schematic diagram for touch display panel that the utility model embodiment two provides.
Fig. 4 is the position relationship schematic diagram that the utility model metal grating layer is located at color membrane substrates side.
Fig. 5 is a kind of structural schematic diagram for touch display panel that the utility model embodiment three provides.
Fig. 6 is the position relationship schematic diagram that the utility model metal grating layer is located at array substrate side.
Fig. 7 is a kind of structural schematic diagram for touch display panel that the utility model embodiment four provides.
Fig. 8 is a kind of structural schematic diagram for touch display unit that the utility model embodiment five provides.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes a kind of touch display panel and touch display unit
Specific implementation mode, structure, feature and its effect, be described in detail as after.
Embodiment one
Fig. 1 is a kind of structural schematic diagram for touch display panel that the utility model embodiment one provides, and Fig. 2 is this practicality
A kind of structural schematic diagram for metal grating layer that new embodiment one provides, referring to Fig. 1 and Fig. 2, which includes
First underlay substrate 110, second underlay substrate 120 opposed with the first underlay substrate 110, is set to the first underlay substrate 110
And the second liquid crystal layer 130 and metal grating layer 140 between underlay substrate 120.
Metal grating layer 140 is used as polaroid, is set to the first underlay substrate 110 close to the one of the second underlay substrate 120
Side；And/or metal grating layer 140 is set to the second underlay substrate 120 close to the side of the first underlay substrate 110.In Fig. 1, show
Metal grating layer 140 is set to example property the first underlay substrate 110 close to the side of the second underlay substrate 120.
Metal grating layer 140 includes a plurality of parallel and metal wire 142 that is intervally installed, when parallel and be spaced
When the repetition period of metal wire 142 is close to or smaller than lambda1-wavelength, the metal wire 142 of repeated arrangement will show it is stronger partially
It shakes characteristic, therefore, metal grating layer 140 can be used as polaroid.
140 concurrent multiplexing of metal grating layer is touch control electrode layer and common electrode layer.
It can be real since metal grating layer 140 is multiplexed with touch control electrode layer in the touch-control stage of touch display panel
The function of existing position of touch detection, optionally, the touch display panel can be that self-tolerant touch display panel or mutual capacitance type are touched
Touch display panel.
It can be connect in the display stage of touch display panel since metal grating layer 140 is multiplexed with common electrode layer
Other public electrodes and pixel electrode for receiving common electrode signal and touch display panel form electric field, control liquid crystal layer 130
Middle liquid crystal molecule deflection, to perform image display.
The utility model embodiment by the first underlay substrate 110 close to the side of the second underlay substrate 120 and/or
Metal grating layer 140 is arranged close to the side of the first underlay substrate 110 in two underlay substrates 120, and metal grating layer 140 is used as polarisation
Piece, setting metal grating layer 140 include metal wire 142 that is a plurality of parallel and being intervally installed, and metal grating layer 140 is same
When be multiplexed with touch control electrode layer and common electrode layer, can both realize touch function or realize display function.Due to metal wire 142
Impedance ratio ITO want much lower, therefore the touch display panel for solving the prior art uses ITO as caused by touch control electrode
Decaying and the problem uneven in the display of display stage occurs in touch-control stage touching signals, realizes enhancing touch display panel
Touch-control sensitivity and display effect.
In Fig. 1, illustratively, metal grating layer 140 is set to the first underlay substrate 110 close to the second underlay substrate
120 side, this is only a specific example rather than limitations of the present invention of the utility model.
In fig. 2, illustratively, metal grating layer 140 includes 7 metal wires 142 that are parallel and being intervally installed, this
Only it is a specific example rather than limitations of the present invention of the utility model, further, metal grating layer 140 can
Including a plurality of metal wire 142.
Embodiment two
Fig. 3 is the structural schematic diagram of a kind of touch display panel that the utility model embodiment two provides, referring to Fig. 3,
On the basis of embodiment one, by touch display panel advanced optimize for：
Touch display panel is self-tolerant touch display panel, and metal grating layer 140 is set to the first underlay substrate 110 and leans on
The side of nearly second underlay substrate 120, the second underlay substrate 120 are provided with polaroid away from the side of the first underlay substrate 110
210,142 extending direction of metal wire is vertical with the polarizing axis of polaroid 210.
If touch display panel is self-tolerant touch display panel, in the touch-control stage of touch display panel, metal grating
Layer 140 is multiplexed with self-tolerant touch control electrode layer.Touch control electrode layer includes multiple touch control electrodes.Each touch control electrode corresponds to one
Determining coordinate position, and these touch control electrodes constitute capacitance with ground respectively.When finger touches the touch display panel, hand
The capacitance of finger will be added in the touch control electrode of its touch, and the direct-to-ground capacitance of its touch control electrode touched is made to change.
Since the signal intensity of each touch control electrode reacts the variation of touch control electrode direct-to-ground capacitance, by detecting each signal intensity
Situation determines that the signal of which specific touch control electrode changes, and then can be according to the changed touch control electrode pair of signal
The coordinate value answered determines the touch location of finger, realizes touch function.
The utility model embodiment provides a kind of self-tolerant touch display panel, by the way that metal grating layer 140 is arranged
In the first underlay substrate 110 close to the side of the second underlay substrate 120,140 concurrent multiplexing of metal grating layer is touch control electrode layer
And common electrode layer, touch function can be realized or realize display function by making metal grating layer 140 both.Simultaneously as metal light
Grid layer 140 is used as polaroid, therefore the polarisation for metal wire 142 extending direction and polaroid 210 being arranged in metal grating layer 140
Axis is vertical, and realizing touch display panel only needs that a polaroid 210 is in addition arranged, and solves in existing touch display panel
Not frivolous enough the problem of touch display panel caused by two polaroids are set, in the touch-control sensitivity for improving touch display panel
Thickness with touch display panel is further reduced on the basis of display effect, it is lightening to electric terminal to meet people
It is required that.
In figure 3, illustratively, color membrane substrates 111 include the first underlay substrate 110, and array substrate 121 includes the second lining
Substrate 120, color membrane substrates 111 further include colored filter 112 and black matrix" 113；Array substrate 121 further includes common electrical
Pole layer 122, insulating layer 123 and pixel electrode 124, color membrane substrates 111 are close to the side of array substrate 121 and array substrate 121
It is respectively provided with alignment film 220 close to the side of color membrane substrates 111.This is only a specific example of the utility model, rather than to this
The limitation of utility model.
It should be noted that in figure 3, illustratively, metal grating layer 140 is set to colored filter 112 and setting
Between the alignment film 220 on color membrane substrates 111, this is only a specific example of the utility model, rather than new to this practicality
The limitation of type.
Fig. 4 is the position relationship schematic diagram that the utility model metal grating layer is located at color membrane substrates side.In the present embodiment
In, metal grating layer 140 is set on color membrane substrates 111, and specifically, metal grating layer 140 is set to the first underlay substrate 110
Close to the side of the second underlay substrate 120.In Fig. 4, illustratively, metal grating layer 140 is set to 112 He of colored filter
On black matrix" 113, this is only a specific example rather than limitations of the present invention of the utility model.
In Fig. 4, illustratively, metal grating layer 140 includes 7 metal lines 142, this is only one of the utility model
Specific example rather than limitations of the present invention.The extending direction of metal wire 142 can be any angle.
Further, touch display panel further includes touch-control cabling (not shown), and metal grating layer 140 is multiplexed with touch-control electricity
Pole layer, the touch control electrode in metal grating layer 140 are electrically connected by touch-control cabling with touch-control integrated circuit, realization touch function.
Wherein, touch-control cabling is located at the view field of black matrix" 113.
Further, the material of metal wire 142 can be arbitrary metal, optionally, metal grating in metal grating layer 140
The material for the metal wire 142 that layer 140 includes is aluminium or silver.
Embodiment three
Fig. 5 is the structural schematic diagram of a kind of touch display panel that the utility model embodiment three provides, referring to Fig. 5,
On the basis of embodiment one, by touch display panel advanced optimize for：
Touch display panel is self-tolerant touch display panel, and metal grating layer 140 is set to the second underlay substrate 120 and leans on
The side of nearly first underlay substrate 110；First underlay substrate 110 is provided with polaroid away from the side of the second underlay substrate 120
210,142 extending direction of metal wire is vertical with the polarizing axis of polaroid 210.
It should be noted that the touch display panel that touch display panel provided in this embodiment is provided with embodiment two
It is self-tolerant touch display panel, operation principle is similar with the touch display panel that embodiment two provides, no longer superfluous herein
It states.
The utility model embodiment provides a kind of self-tolerant touch display panel, by the way that metal grating layer 140 is arranged
In the second underlay substrate 120 close to the side of the first underlay substrate 110,140 concurrent multiplexing of metal grating layer is touch control electrode layer
And common electrode layer, touch function can be realized or realize display function by making metal grating layer 140 both.Simultaneously as metal light
Grid layer 140 is used as polaroid, therefore the polarisation for metal wire 142 extending direction and polaroid 210 being arranged in metal grating layer 140
Axis is vertical, and realizing touch display panel only needs that a polaroid 210 is in addition arranged, and solves in existing touch display panel
Not frivolous enough the problem of touch display panel caused by two polaroids are set, in the touch-control sensitivity for improving touch display panel
Thickness with touch display panel is further reduced on the basis of display effect, it is lightening to electric terminal to meet people
It is required that.
In Figure 5, illustratively, color membrane substrates 111 include the first underlay substrate 110, and array substrate 121 includes the second lining
Substrate 120, color membrane substrates 111 further include colored filter 112, black matrix" 113 and common electrode layer 122；Array substrate
121 further include insulating layer 123 and pixel electrode 124, and color membrane substrates 111 are close to the side of array substrate 121 and array substrate 121
It is respectively provided with alignment film 220 close to the side of color membrane substrates 111.This is only a specific example of the utility model, rather than to this
The limitation of utility model.
Fig. 6 is the position relationship schematic diagram that the utility model metal grating layer is located at array substrate side.In the present embodiment
In, metal grating layer 140 is set in array substrate 121, and specifically, metal grating layer 140 is set to the second underlay substrate 120
Close to the side of the first underlay substrate 110.In figure 6, illustratively, metal grating layer 140 be set to pixel electrode 124 it
On.This is only a specific example rather than limitations of the present invention of the utility model.
In figure 6, illustratively, metal grating layer 140 includes 7 metal lines 142, this is only one of the utility model
Specific example rather than limitations of the present invention.
Further, the width of metal wire 142 can be 20nm~200nm, the spacing between two neighboring metal wire 142
Can be 40nm~280nm, when setting in this way makes metal wire 142 while being used as polaroid and electrode, performance is best.Gold
The thickness for belonging to line 142 can be 100nm~200nm, and setting in this way can ensure that metal wire 142 is used as polaroid and electricity
The normal work of pole, and can guarantee that manufactured touch display panel thickness is thin.This is only a specific example of the utility model,
Rather than limitations of the present invention.
Example IV
Fig. 7 is the structural schematic diagram of a kind of touch display panel that the utility model embodiment four provides, referring to Fig. 7,
On the basis of embodiment one, by touch display panel advanced optimize for：
Touch display panel is mutual capacitance type touch display panel, and metal grating layer 140 is set to the first underlay substrate 110 and leans on
The side of nearly second underlay substrate 120 and the second underlay substrate 120 are close to the side of the first underlay substrate 110；
It the extending direction for the metal wire 142 being set on the first underlay substrate 110 and is set on the second underlay substrate 120
The metal wire 142 extending direction it is vertical.
Wherein, it is set to metal grating layer 140 on the first underlay substrate 110 and is set on the second underlay substrate 120 golden
It is touch control electrode layer and common electrode layer to belong to the energy concurrent multiplexing of grating layer 140.
Optionally it will be set to the first underlay substrate 110 since touch display panel is mutual capacitance type touch display panel and lean on
The metal grating layer 140 of the side of nearly second underlay substrate 120 is used as touch drive electrode, will be set to the second underlay substrate
120 metal grating layer 140 close to the side of the first underlay substrate 110 is used as touch-control sensing electrode.Alternatively, first will be set to
Metal grating layer 140 of the underlay substrate 110 close to the side of the second underlay substrate 120 is used as touch-control sensing electrode, will be set to
Metal grating layer 140 of second underlay substrate 120 close to the side of the first underlay substrate 110 is used as touch drive electrode.
In the touch-control stage of touch display panel, touch-control drive signal is sequentially input to each touch drive electrode, is examined simultaneously
The detection signal for surveying each touch-control sensing electrode output, can obtain all touch drive electrodes and touch-control sensing electrode crosses in this way
The capacitance size of point, i.e., the capacitance size of the two dimensional surface of entire touch display panel, when finger touches the touch display surface
When plate, according to the two-dimentional capacitance change data of touch display panel, the coordinate of touch point can be calculated, realizes touch-control work(
Energy.
The utility model embodiment provides a kind of mutual capacitance type touch display panel, by the way that metal grating layer 140 to be arranged
In the first underlay substrate 110 close to the side of the second underlay substrate 120 and the second underlay substrate 120 close to the first substrate base
The side of plate 110,140 concurrent multiplexing of metal grating layer are touch control electrode layer and common electrode layer, and metal grating layer 140 is made both may be used
Realize that touch function can also realize display function.Simultaneously as metal grating layer 140 is used as polaroid, therefore the will be set to
The extending direction of metal wire 142 on one underlay substrate 110 prolongs with the metal wire 142 that is set on the second underlay substrate 120
It is vertical to stretch direction, polaroid need not be still further arranged by realizing touch display panel, solved existing touch display panel and set
Not frivolous enough the problem of touch display panel caused by setting two polaroids, improve touch display panel touch-control sensitivity and
The thickness of touch display panel is further reduced on the basis of display effect, and it is frivolous to electric terminal further to meet people
The requirement of change.
In the figure 7, illustratively, color membrane substrates 111 include the first underlay substrate 110, and array substrate 121 includes the second lining
Substrate 120, color membrane substrates 111 further include colored filter 112 and black matrix" 113；Array substrate 121 further includes insulating layer
123 and pixel electrode 124；Color membrane substrates 111 are close to the side of array substrate 121 and array substrate 121 close to color membrane substrates 111
Side be respectively provided with alignment film 220.This is only a specific example rather than limitations of the present invention of the utility model.
It should be noted that in Figure 5, metal grating of first underlay substrate 110 close to 120 side of the second underlay substrate
Between layer 140 is set to colored filter 112 and the alignment film 220 that is set on color membrane substrates 111；Second underlay substrate 120
Metal grating layer 140 close to 110 side of the first underlay substrate is set between the second underlay substrate 120 and insulating layer 123, this
Only it is a specific example rather than limitations of the present invention of the utility model.
It should be noted that the display pattern for the touch display panel that the utility model embodiment provides only is that this practicality is new
A specific example rather than limitations of the present invention for type, further, the touch display panel can be such as IPS,
The display pattern of TN, HVA, FFS etc..
Embodiment five
Fig. 8 is the structural schematic diagram of a kind of touch display unit that the utility model embodiment five provides, referring to Fig. 8,
On the basis of the various embodiments described above, which includes the touch display panel that the utility model embodiment provides
100。
The touch display unit 610 that the utility model embodiment provides includes the touch display panel in above-described embodiment
100, therefore the touch display unit 610 that the utility model embodiment provides also has the beneficial effect described in above-described embodiment
Fruit, details are not described herein again.Optionally, touch display unit 610 can be mobile phone shown in Fig. 7, or touch computer, intelligence
Touch display unit etc. can be dressed, the utility model embodiment is not particularly limited this.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (8)
1. a kind of touch display panel, including the first underlay substrate, second underlay substrate opposed with first underlay substrate,
And it is set to the liquid crystal layer between first underlay substrate and second underlay substrate；
It is characterized in that, further including：
Metal grating layer, the metal grating layer are set to first underlay substrate close to second lining as polaroid
The side of substrate and/or the metal grating layer are set to second underlay substrate close to first underlay substrate
Side；
The metal grating layer includes metal wire that is a plurality of parallel and being intervally installed；
The metal grating layer concurrent multiplexing is touch control electrode layer and common electrode layer.
2. touch display panel according to claim 1, which is characterized in that the touch display panel touches for self-tolerant
Display panel.
3. touch display panel according to claim 2, which is characterized in that the metal grating layer is set to described first
Underlay substrate is close to the side of second underlay substrate；
Second underlay substrate is provided with polaroid, the metal wire extending direction away from the side of first underlay substrate
It is vertical with the polarizing axis of the polaroid.
4. touch display panel according to claim 2, which is characterized in that the metal grating layer is set to described second
Underlay substrate is close to the side of first underlay substrate；
First underlay substrate is provided with polaroid, the metal wire extending direction away from the side of second underlay substrate
It is vertical with the polarizing axis of the polaroid.
5. touch display panel according to claim 1, which is characterized in that the touch display panel touches for mutual capacitance type
Display panel.
6. touch display panel according to claim 5, which is characterized in that the metal grating layer is set to described first
Underlay substrate is close to the side of second underlay substrate and second underlay substrate close to first underlay substrate
Side；
It the extending direction for the metal wire being set on first underlay substrate and is set on second underlay substrate
The metal wire extending direction it is vertical.
7. touch display panel according to claim 1, which is characterized in that the material of the metal wire is aluminium or silver.
8. a kind of touch display unit, which is characterized in that including claim 1-7 any one of them touch display panels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820301483.2U CN207882875U (en) | 2018-03-05 | 2018-03-05 | A kind of touch display panel and touch display unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820301483.2U CN207882875U (en) | 2018-03-05 | 2018-03-05 | A kind of touch display panel and touch display unit |
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| CN207882875U true CN207882875U (en) | 2018-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683338A (en) * | 2019-02-21 | 2019-04-26 | 京东方科技集团股份有限公司 | A kind of light field display device and method |
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2018
- 2018-03-05 CN CN201820301483.2U patent/CN207882875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683338A (en) * | 2019-02-21 | 2019-04-26 | 京东方科技集团股份有限公司 | A kind of light field display device and method |
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Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |