CN205942652U - Touch -control display panel and display device - Google Patents
Touch -control display panel and display device Download PDFInfo
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- CN205942652U CN205942652U CN201620792509.9U CN201620792509U CN205942652U CN 205942652 U CN205942652 U CN 205942652U CN 201620792509 U CN201620792509 U CN 201620792509U CN 205942652 U CN205942652 U CN 205942652U
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Abstract
The utility model provides a touch -control display panel and display device, touch -control display panel have the area of occurrence and center on the non -display area of area of occurrence wherein, is provided with: first base plate, the second base plate, with first base plate sets up relatively, at least one test terminal sets up first base plate orientation one side of second base plate, the test terminal includes first electrode, first insulation layer, second electrode, the third electrode, second insulating layer and the fourth electrode of range upon range of setting, the first electrode the second electrode the third electrode and the fourth electrode contacts each other realizes the electricity connection, the test terminal periphery is provided with the passivation layer. Display device is including above -mentioned a touch -control display panel. Reduce the difference in height of test terminal and first base plate, reduce join in marriage to the time heterochromia that causes.
Description
Technical field
The utility model is related to display technology field, more particularly, to a kind of touch-control display panel and display device.
Background technology
Now, touch-control shows and increasingly becomes main flow, and mobile phone, computer or other mobile terminals sold at present are provided with
Touch controllable function.With the renewal progress of touch controllable function, the mobile terminal manufacturer also more and more higher of the requirement to display floater.
At present, carry out VT test for the ease of touching display screen, you can see test (visual test) it will usually non-
Viewing area arranges calibrating terminal.This calibrating terminal is used to examine in the module group assembling of touching display screen and each stage such as dispatch from the factory
Survey the performance of display screen, whether investigation display floater exception or delete and select defective products.
It is provided with organic film or passivation layer because in all display screens, this organic film is mainly used in the thickness of average display screen
Degree, reduces the segment difference brought because of different film layers.In prior art, the calibrating terminal being arranged on non-display area is because of the needs of electrical connection
And it is not provided with organic film or passivation layer, because the thickness of organic film or passivation layer is larger, lead to the thickness of calibrating terminal and show
Show that the thickness difference in area is larger.When carrying out LCD alignment, friction cloth rub array base palte when, due to viewing area with non-display
The segment difference in area, causes orientation to shift, forms difference, make display screen aberration.
Utility model content
For solving the above problems, the utility model provides a kind of touch-control display panel, has viewing area and shows with around described
Show the non-display area in area, wherein, be provided with：
First substrate；
Second substrate, is oppositely arranged with described first substrate；
At least one calibrating terminal, is arranged on described first substrate towards the side of described second substrate；
First electrode that described calibrating terminal includes being stacked, the first insulating barrier, second electrode, the 3rd electrode, second
Insulating barrier and the 4th electrode；Described first electrode, described second electrode, described 3rd electrode and described 4th electrode are mutual
Electrical connection is realized in contact；
Described calibrating terminal periphery is provided with passivation layer.
A kind of display device, including a kind of touch-control display panel described above.
Compared with prior art, the technical solution of the utility model has one of the following advantages：At non-display step
Setting calibrating terminal, calibrating terminal is electrically connected with the drive circuit of non-display area.Wherein, calibrating terminal includes being stacked
First electrode, the first insulating barrier, second electrode, the 3rd electrode, the second insulating barrier and the 4th electrode.First electrode, second
Electrode, the 3rd electrode and the 4th electrode are arranged with layer with each metal level of touch-control display panel or tin indium oxide respectively.
By first electrode, second electrode, the 3rd electrode, the 4th electrode and the first insulating barrier and the second insulating barrier, drop
Low calibrating terminal and the difference in height of display screen array base palte, reduce the heterochromia causing during orientation.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiments of the invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to the accompanying drawing providing.
Fig. 1 is the cross-sectional view of calibrating terminal in prior art；
A kind of floor map of touch-control display panel that Fig. 2 provides for the utility model embodiment；
Fig. 3 is a kind of cross-sectional view of touch-control display panel of Fig. 2；
Fig. 4 is the partial enlarged drawing of Fig. 3 embodiment；
Fig. 5 is the cross-sectional view of Fig. 2 another kind touch-control display panel；
Fig. 6 is the partial enlarged drawing of Fig. 5 embodiment；
A kind of cross-sectional view of the calibrating terminal of touch-control display panel that Fig. 7 provides for the utility model；
The cross-sectional view of the calibrating terminal of another kind of touch-control display panel that Fig. 8 provides for the utility model；
A kind of floor map of the stepped region of touch-control display panel that Fig. 9 provides for the utility model；
A kind of display device that Figure 10 provides for the utility model.
Specific embodiment
With reference to schematic diagram, a kind of pressure sensitive touch-screen of the present utility model and display device are carried out in more detail
Description, which show preferred embodiment of the present utility model it should be appreciated that those skilled in the art can change is described herein
The utility model, and still realize advantageous effects of the present utility model.Therefore, description below is appreciated that for ability
Field technique personnel's is widely known, and is not intended as limitation of the present invention.
In existing display screen, because considering the problems such as connect up, visual test is that the calibrating terminal of visible test usually can
Being dispensed with, although so simplifying technique, bringing risk to display screen, testing staff cannot filter out flaw by naked eyes
Product；However, in existing design, even if increased calibrating terminal, as there is segment difference with viewing area and cause in calibrating terminal
The risk of LCD alignment.As shown in figure 1, Fig. 1 is the cross-sectional view of calibrating terminal in prior art, in prior art,
Calibrating terminal 3, because of manufacture craft problem, is often prepared from by layer of metal 30.Additionally, because calibrating terminal 3 needs to cut out passivation
Layer 4, which results in the segment difference of calibrating terminal 3 and periphery passivation layer 4 clearly, can reach 10900 angstroms.This segment difference is
Through having significantly affected the orientation in manufacture craft.
For solving the problems, such as the orientation that above-mentioned difference in height is brought, now provide a kind of touch-control display panel, as shown in Figure 2 and Figure 3,
A kind of floor map of touch-control display panel that Fig. 2 provides for the utility model embodiment, Fig. 3 shows for a kind of touch-control of Fig. 2
The cross-sectional view of panel.Touch-control display panel has the viewing area AA and non-display area AA ' around viewing area AA, also
The second substrate 2 be oppositely arranged including first substrate 1 and with first substrate 1.
Specifically, first substrate 1 is additionally provided with calibrating terminal 3, calibrating terminal 3 is arranged on first substrate 1 towards second
The side of substrate 2.The first substrate 1 of this touch-control display panel is additionally provided with grid 5, pixel electrode 6, touch-control cabling 7 and public affairs
Common electrode 8.
Fig. 4 is the partial enlarged drawing of Fig. 3 embodiment, now illustrates the hierarchical structure of calibrating terminal 3 by Fig. 4.Touch
Control display floater first substrate 1 on be specifically disposed with grid 5, G silicon nitride (G-Sinx) and amorphous silicon layer (a-Si),
Source-drain electrode 51, the first insulating barrier 301, pixel electrode 6, planarization layer (OC), touch-control cabling 7, the second insulating barrier 302, common electrical
Pole 8 and passivation layer 4.This concrete structure is top-com structure.Specifically, grid 5 is mainly used in controlling thin film transistor (TFT) (figure
In do not show) switch, G silicon nitride (G-Sinx) and amorphous silicon layer (a-Si) belong to a part for tft characteristicses,
Circulation for carrier in source-drain electrode 51.First insulating barrier 301 is used for be electrically insulated source-drain electrode 51 and pixel electrode 6.Pixel electricity
Pole 6 forms electric field with public electrode 8, for driving the rotation of liquid crystal.Planarization layer (OC) electrically isolated pixels electrode 6 is walked with touch-control
Line 7, the second insulating barrier 302 isolation public electrode 8 and touch-control cabling 7.Specifically, public electrode 8 be multiplexed with the touch-control stage tactile
Control electrode, and realize electrically connecting by via with touch-control cabling, realize self-tolerant touch control detection.Passivation layer 4 is mainly used in electricity absolutely
Edge, simultaneously as the thickness of passivation layer 4 is larger, can effectively realize planarization it is ensured that first substrate 1 thickness of touching display screen
Homogeneous.
Specifically, calibrating terminal 3 includes being stacked first electrode 31, the first insulating barrier 301, second electrode 32,
Three electrodes 33, the second insulating barrier 302 and the 4th electrode 34, wherein, first electrode 31, second electrode 32, the 3rd electrode 33 with
And the 4th electrode 34 contact with each other realization electrical connection.
Taking Fig. 4 embodiment as a example, the first electrode 31 of calibrating terminal 3 and grid 5 are arranged with layer, and first electrode 31 and grid
Pole 5 is made using identical material, and this material can be metal.Second electrode 32 is arranged with layer with pixel electrode 6, and the second electricity
Pole 32 is made using identical material with pixel electrode 6, and this material can be tin indium oxide (ITO) or other transparent materials.The
Three electrodes 33 and touch-control cabling 7 are arranged with layer, and the 3rd electrode 33 is made using identical material with touch-control cabling 7, this material
Can be opaque metal material or transparent ITO material.4th electrode 34 and public electrode 8 are arranged with layer, and the 4th
Electrode 34 is made using identical material with public electrode 8, and this material can be tin indium oxide (ITO) or other transparent materials.
Under the present embodiment, calibrating terminal 3 is not provided with passivation layer 4, and that is, calibrating terminal 3 can cut out passivation layer during making
4.Now, itself and viewing area is caused to have segment difference h because the passivation layer 4 of calibrating terminal 3 top cuts out.In prior art, because
Relatively simple for calibrating terminal film layer, on non-multiplexed arrays substrate other film layers, cause segment difference height to be 10900 angstroms, significantly
Have impact on orientation.In the present embodiment, calibrating terminal 3 passes through to be multiplexed film layer, and segment difference h is reduced to 8700 angstroms it is ensured that orientation
Carry out, in this embodiment, the height reduction of segment difference is to the allowed band of production technology.
Fig. 5 is the cross-sectional view of Fig. 2 another kind touch-control display panel, and Fig. 5 is identical with the basic structure of Fig. 3, phase
Repeat no more with part, distinctive points are：In this example structure, touch-control display panel is mid-com structure, first substrate 1
On the electrode layer that is cascading be grid 5, source-drain electrode (in figure does not mark), public electrode 8, touch-control cabling 7 and pixel
Electrode 6.The first electrode of calibrating terminal 3, second electrode, the 3rd electrode and the 4th electrode respectively with grid 5, public electrode 8,
Touch-control cabling 7 and pixel electrode 6 are arranged with layer.
Specific reference Fig. 6, Fig. 6 are the partial enlarged drawing of Fig. 5 embodiment.Wherein, the first electrode 31 of calibrating terminal 3 with
Grid 5 is arranged with layer, and first electrode 31 is made using identical material with grid 5, and this material can be metal.Second electrode
32 are arranged with layer with public electrode 8, and second electrode 32 is made using identical material with pixel electrode 6, and this material can be
Tin indium oxide (ITO) or other transparent materials.3rd electrode 33 and touch-control cabling 7 are arranged with layer, and the 3rd electrode 33 and touch-control
Cabling 7 is made using identical material, and this material can be opaque metal material or transparent ITO material.4th electricity
Pole 34 is arranged with layer with pixel electrode 6, and the 4th electrode 34 is made using identical material with pixel electrode 6, and this material is permissible
For tin indium oxide (ITO) or other transparent materials.In the present embodiment, calibrating terminal 3 by segment difference h from be reduced to 8700 angstroms it is ensured that
The carrying out of orientation, in this embodiment, in the high-end allowed band being reduced to production technology of segment difference.
A kind of cross-sectional view of the calibrating terminal of touch-control display panel that Fig. 7 provides for the utility model, Fig. 7 surveys
The concrete structure of examination terminal 3 is with reference to Fig. 3.Specifically, calibrating terminal 3 is cascading first electrode 31, the first insulating barrier
301st, second electrode 32, the 3rd electrode 33, the second insulating barrier 302 and the 4th electrode 34.Wherein, first electrode 31 is same with grid
Layer, second electrode 32 and the same layer of pixel electrode, the 3rd electrode 33 is same with public electrode with the same layer of touch-control cabling, the 4th electrode 34
Layer.Specifically, the first insulating barrier 301 has first through hole h1, and it is real that second electrode 32 and first electrode 31 pass through first through hole h1
Now electrically connect.Second insulating barrier 302 has the second through hole h2, and the 4th electrode 34 and the 3rd electrode 33 pass through the second through hole h2 and realize
Electrical connection.In the case of this, first electrode 31, second electrode 32, the 3rd electrode 33 and the 4th electrode 34 are all realized making electrical contact with, real
The electrical functions of calibrating terminal 3 are showed.
The cross-sectional view of the calibrating terminal of another kind of touch-control display panel that Fig. 8 provides for the utility model, Fig. 8
The concrete structure of calibrating terminal 3 is with reference to Fig. 5.Specific calibrating terminal 3 is cascading and has first electrode 31, the first insulating barrier
301st, second electrode 32, the 3rd electrode 33, the second insulating barrier 302 and the 4th electrode 34.Wherein, first electrode 31 is same with grid
Layer, second electrode 32 and the same layer of public electrode, the 3rd electrode 33 is same with pixel electrode with the same layer of touch-control cabling, the 4th electrode 34
Layer.And first electrode 31 is electrically connected by through hole h1 realization with second electrode 32, the 4th electrode 34 and the 3rd electrode 33 pass through to lead to
Hole h2 realizes electrical connection.In the case of this, first electrode 31, second electrode 32, the 3rd electrode 33 and the 4th electrode 34 are all realized
Electrical contact is it is achieved that the electrical functions of calibrating terminal 3.
Specifically, the first substrate of touch-control display panel is additionally provided with drive circuit, as shown in figure 9, Fig. 9 is new for this practicality
A kind of floor map of the stepped region of touch-control display panel that type provides.First substrate 1 is towards the side setting of second substrate 2
There is drive circuit 10.Specifically, the region that first substrate 1 exceeds second substrate 2 is stepped region 9 it is to be understood that the first base
Plate 1 is array base palte, and second substrate 2 is color membrane substrates.Stepped region 9 be located at non-display area, be mainly provided with circuit and each
Connect cabling.Calibrating terminal 3 is located at non-display area and is located at the both sides of drive circuit 10.
Specifically, with reference to Fig. 2 and Fig. 9, the first substrate 1 of touch-control display panel also includes gate driver circuit ASG, is located at
Non-display area AA '.This gate driver circuit ASG is mainly used in the conducting of control gate.Meanwhile, calibrating terminal 3 and raster data model
Circuit ASG electrically connects, and calibrating terminal 3 tests gate performance by the electrical signal of outside input.In the case of this, can be effective
Judge whether faulty materials.
The utility model also includes a kind of display device, and as shown in Figure 10, Figure 10 shows for one kind that the utility model provides
Showing device.This display device includes touch-control display panel described above, that is, include first substrate 1 and with second substrate phase
Second substrate 2 to setting.Wherein, it is provided with liquid crystal layer 200 between first substrate 1 and second substrate 2.Display device also includes
Back frame assembly 100, for providing light source to touch-control display panel.
This display device has calibrating terminal, and this calibrating terminal can effectively reduce calibrating terminal and touch-control display panel
First substrate difference in height, the heterochromia that causes when reducing orientation.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out various bright for a person skilled in the art
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, without departing from
In the case of the utility model design, other Equivalent embodiments more can also be included, and scope of the present utility model is by appended
Right determine.
Claims (9)
1. a kind of touch-control display panel, has viewing area and the non-display area around described viewing area, wherein, is provided with：
First substrate；
Second substrate, is oppositely arranged with described first substrate；
At least one calibrating terminal, is arranged on described first substrate towards the side of described second substrate；
First electrode that described calibrating terminal includes being stacked, the first insulating barrier, second electrode, the 3rd electrode, the second insulation
Layer and the 4th electrode；Described first electrode, described second electrode, described 3rd electrode and described 4th electrode contact with each other
Realize electrical connection；
Described calibrating terminal periphery is provided with passivation layer.
2. a kind of touch-control display panel as claimed in claim 1, wherein, described first substrate also includes the grid setting gradually
Pole, pixel electrode, touch-control cabling and public electrode；
Described first electrode is arranged with layer with described grid；Described first electrode adopts identical material with described grid；
Described second electrode is arranged with layer with described pixel electrode；Described second electrode adopts identical material with described pixel electrode
Material；
Described 3rd electrode is arranged with layer with described touch-control cabling；Described 3rd electrode adopts identical material with described touch-control cabling
Material；
Described 4th electrode is arranged with layer with described public electrode；Described 4th electrode adopts identical material with described public electrode
Material.
3. a kind of touch-control display panel as claimed in claim 1, wherein, described first substrate also includes the grid setting gradually
Pole, public electrode, touch-control cabling and pixel electrode；
Described first electrode is arranged with layer with described grid；Described first electrode adopts identical material with described grid；
Described second electrode is arranged with layer with described public electrode；Described second electrode adopts identical material with described public electrode
Material；
Described 3rd electrode is arranged with layer with described touch-control cabling；Described 3rd electrode adopts identical material with described touch-control cabling
Material；
Described 4th electrode is arranged with layer with described pixel electrode；Described 4th electrode adopts identical material with described pixel electrode
Material.
4. a kind of touch-control display panel as claimed in claim 2 or claim 3, wherein, described first insulating barrier has first through hole, institute
State second electrode and realization electrical connection is contacted by described first through hole with described first electrode.
5. a kind of touch-control display panel as claimed in claim 2 or claim 3, wherein, described second insulating barrier has the second through hole, institute
State the 4th electrode to realize electrically connecting with described 3rd electrode contact by described second through hole.
6. a kind of touch-control display panel as claimed in claim 1, wherein, described first substrate is provided with drive circuit.
7. a kind of touch-control display panel as claimed in claim 6, wherein, described first substrate exceeds the area of described second substrate
Domain is stepped region, and described stepped region is located at described non-display area；
Described drive circuit is located at described stepped region, and described calibrating terminal is located at the both sides of described drive circuit.
8. a kind of touch-control display panel as claimed in claim 1, wherein, described first substrate also includes gate driver circuit,
Described gate driver circuit is used for the conducting of control gate；Described calibrating terminal is electrically connected with described gate driver circuit, is used for
Test the performance of described gate driver circuit.
9. a kind of display device, including a kind of arbitrary described touch-control display panel of such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792509.9U CN205942652U (en) | 2016-07-26 | 2016-07-26 | Touch -control display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792509.9U CN205942652U (en) | 2016-07-26 | 2016-07-26 | Touch -control display panel and display device |
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| CN205942652U true CN205942652U (en) | 2017-02-08 |
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| CN201620792509.9U Active CN205942652U (en) | 2016-07-26 | 2016-07-26 | Touch -control display panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952576A (en) * | 2017-03-30 | 2017-07-14 | 京东方科技集团股份有限公司 | Array base palte, display panel and its method of testing and display device |
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2016
- 2016-07-26 CN CN201620792509.9U patent/CN205942652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106952576A (en) * | 2017-03-30 | 2017-07-14 | 京东方科技集团股份有限公司 | Array base palte, display panel and its method of testing and display device |
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