CN205375436U - Array substrate , touch -control display panel and touch -sensitive display device - Google Patents
Array substrate , touch -control display panel and touch -sensitive display device Download PDFInfo
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- CN205375436U CN205375436U CN201620094783.9U CN201620094783U CN205375436U CN 205375436 U CN205375436 U CN 205375436U CN 201620094783 U CN201620094783 U CN 201620094783U CN 205375436 U CN205375436 U CN 205375436U
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Abstract
The utility model discloses an array substrate, touch -control display panel and touch -sensitive display device. Array substrate's a detailed description of the invention includes: the substrate base plate is including area of occurrence and non -display area, the perpendicular to a plurality of metal levels of arranging in the direction of substrate base plate, a plurality of metal levels include the first metal layer and second metal level, the first metal layer is used for forming array substrate's scanning line, the second metal level is used for forming array substrate's data line, be equipped with a plurality of pixel in the area of occurrence, pixel is array arrangement, and pixel's capable orientation is the extending direction of scanning line, and pixel is listed as the extending direction of orientation for the data line, touch -control electrode layer, touch -control electrode layer include a plurality of touch -control electrodes, many touch signal line, touch signal line and a touch -control electrode ferroelectric phase link, for touch -control electrode transmission touch signal, touch signal line and a plurality of metal levels of one deck layer setting together at least. This embodiment can reduce the technology complexity of array substrate manufacturing process.
Description
Technical field
The application relates to Display Technique field, is specifically related to technical field of touch-control display, particularly relates to array base palte, touch-control display panel and touch control display apparatus.
Background technology
Built-in type touch display screen is provided with public electrode.When touching detection, public electrode is multiplexed with touch-control emission electrode, receives touch-control and drives signal, and touch detection circuit determines touch point according to the change of electric capacity on display screen.Public electrode can adopt ITO electro-conductive glass to make.In built-in type touch display screen, the public electrode on touch-control display panel is strip parallel arrangement.Owing to the area of public electrode is relatively big, its resistance value is higher, affects bigger on the precision of touch detection circuit.
Usually, built-in type touch display screen can include multiple metal level, including the first metal layer for forming scanning line, for forming the second metal level of data wire, and for forming the 3rd metal level of public electrode wire.Generally, the 3rd metal level is arranged with the first metal layer and the second metal level different layers.Public electrode is connected in parallel with the public electrode wire being formed on the 3rd metal level, it is possible to effectively reduce the resistance of public electrode.
Formed in the public electrode wire method to reduce public electrode resistance in parallel with public electrode on the 3rd metal level in above-mentioned employing, it is necessary in display screen manufacturing process, independently form the 3rd metal level.And in order to avoid forming electric field between the 3rd metal level and other conductive layers (such as the second metal level and public electrode), also need to making insulating barrier between the 3rd metal level and other conductive layers, not only increase the thickness of display screen, too increase process complexity.
Utility model content
In view of this, it is desired to be able to provide a kind of processing technology simple and reduce the array base palte of public electrode resistance.In order to solve above-mentioned technical problem, this application provides array base palte, touch-control display panel and touch control display apparatus.
First aspect, this application provides a kind of array base palte, including: underlay substrate, including viewing area and non-display area；Multiple metal levels of arrangement on the direction being perpendicular to described underlay substrate；The plurality of metal level includes the first metal layer and the second metal level；Described the first metal layer is for forming the scanning line of described array base palte；Described second metal level is for forming the data wire of described array base palte；Being provided with multiple pixel cell in described viewing area, described pixel cell is arranged in array, and the line direction of described pixel cell is the bearing of trend of described scanning line, and the column direction of described pixel cell is the bearing of trend of data wire；Touch control electrode layer, described touch control electrode layer includes multiple touch control electrode；A plurality of touching signals line, described touching signals line and a described touch control electrode are electrically connected, and transmit touching signals for described touch control electrode；Described touching signals line is arranged with layer with the plurality of metal level of at least one of which.
Second aspect, this application provides the array base palte the application first aspect provides and with as described in the color membrane substrates that is oppositely arranged of array base palte.
The third aspect, this application provides a kind of touch control display apparatus, including the touch-control display panel that such as the application second aspect provides.
Array base palte, touch-control display panel and the touch control display apparatus that the application provides, by the touching signals line in parallel with touch control electrode is arranged with layer with existing metal level on array base palte, in manufacturing process, can pass through to form touch control electrode institute all line patterns on the metal layer with one procedure, while reduction touch control electrode resistance, simplify technique.
Accompanying drawing explanation
Non-limiting example being described in detail with reference to what the following drawings was made by reading, other features, purpose and advantage will become more apparent upon:
Fig. 1 is a part sectioned view of the array base palte that the application provides；
Fig. 2 is the structural representation of an embodiment of the array base palte that the application provides；
Fig. 3 is the part sectioned view of array base palte shown in Fig. 2；
Fig. 4 is the structural representation of another embodiment of the array base palte that the application provides；
Fig. 5 is the part sectioned view of array base palte shown in Fig. 4；
Fig. 6 A is the structural representation of another embodiment of the array base palte that the application provides；
Fig. 6 B is the structural representation of the further embodiment of the array base palte that the application provides；
Fig. 7 A is the part sectioned view of array base palte shown in Fig. 6 A；
Fig. 7 B is the part sectioned view of array base palte shown in Fig. 6 B；
Fig. 8 is the structural representation of the further embodiment of the array base palte that the application provides；
Fig. 9 is the part sectioned view of array base palte shown in Fig. 8；
Figure 10 is the part sectioned view of an embodiment of the touch-control display panel that the application provides.
Detailed description of the invention
Below in conjunction with drawings and Examples, the application is described in further detail.It is understood that specific embodiment described herein is used only for explaining relevant utility model, but not the restriction to this utility model.It also should be noted that, for the ease of describing, accompanying drawing illustrate only the part relevant to about utility model.
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1, it illustrates a part sectioned view of the array base palte that the application provides.As it is shown in figure 1, array base palte 100 includes underlay substrate 10, underlay substrate 10 includes viewing area 101 and non-display area 102.Array base palte 100 is additionally included on the direction being perpendicular to underlay substrate 10 multiple metal levels of arrangement.Multiple metal levels at least include the first metal layer 11 and the second metal level 12.Wherein, the first metal layer 11 is for forming the scanning line 111 (only illustrating in Fig. 1) of array base palte 100, and the second metal level 12 is for forming the data wire 121 of array base palte 100.Multiple pixel cell being arranged in array it is provided with in viewing area 101.The line direction of pixel cell is the bearing of trend of scanning line 111, and the column direction of pixel cell is the bearing of trend of data wire 121.Array base palte 100 also includes touch control electrode layer 13 and a plurality of touching signals line.Touch control electrode layer 13 includes multiple touch control electrode 131.Touching signals line and a touch control electrode 131 are electrically connected, and transmit touching signals for touch control electrode 131.Touching signals line is arranged with layer with the above-mentioned multiple metal levels of at least one of which.In Fig. 1, touching signals line 112 can be arranged with layer with the first metal layer 11.In other examples, touching signals line 112 can also be arranged with layer with the second metal level 12.
It is provided with drive circuit in the non-display area 102 of array base palte 100, it is provided with multiple pixel cell in the viewing area 101 of array base palte 100, each pixel cell includes a thin film transistor (TFT), one end of scanning line 111 is electrically connected with the grid of thin film transistor (TFT), and the other end of scanning line 111 is electrically connected with gate driver circuit 113；One end of data wire 121 and the source electrode of thin film transistor (TFT) are electrically connected, and the other end of data wire 121 and source electrode drive circuit 123 are electrically connected；When carrying out the display of a width picture, gate driver circuit can send driving scanning signal, controls conducting and the disconnection of thin film transistor (TFT) by scanning line 111, when thin film transistor (TFT) is switched on, display signal is by data wire 121 input display pixel, thus carrying out the display of a width picture.Gate driver circuit 113 can be arranged with layer with the first metal layer 11, and source electrode drive circuit 123 can be arranged with layer with the second metal level 12.
In the present embodiment, touch control electrode 131 may be used for the touch controllable function that realizes comprising the display floater of array base palte 100.In mutual capacitance type touch-control display panel, touch control electrode 131 can serve as mutual capacitance type touch control electrode, for instance as touch-control emission electrode, receives touching signals by touching signals line 112, receive electrode with touch-control and form mutual capacitance, determine touch point by detecting the change of mutual capacitance.In self-tolerant touch display panel, touch control electrode 131 can serve as self-tolerant touch control electrode, receive touching signals by touching signals line 112, and when touch point being detected, the induced signal produced due to self-capacitance change will be transferred to touch detection circuit by touching signals line 112.
The array base palte 100 that the present embodiment provides, by being arranged with layer with existing metal level on array base palte by touching signals line, eliminates the making of touching signals line metal level, can reduce process complexity when making array base palte.
With further reference to Fig. 2, it illustrates the structural representation of an embodiment of the array base palte that the application provides.As in figure 2 it is shown, the data wire 221 that pixel cell 203, the scanning line 211 extended along the line direction of pixel cell 203 and the column direction along pixel cell 203 that array base palte 200 includes being arranged in array extend.In the present embodiment, the first metal layer of the touching signals line 212 with scanning line place for transmitting touching signals to touch control electrode is arranged with layer.Touching signals line 212 is arranged between adjacent rows pixel cell 203, insulate with the scanning line 211 in viewing area and direction of routing is consistent.In fig. 2, touching signals line 212 is parallel with scanning line 211.In the display stage, scanning line 211 receives the scanning signal of gate scanning circuit output, and now touching signals line 212 can be that public electrode transmission shows required common electric voltage as public electrode wire.Owing to scanning line 211 and touching signals line 212 insulate, signal on scanning line 211 and touching signals line 212 does not interfere with each other, avoid the formation of effect of parasitic capacitance display effect, and one procedure can be used to concurrently form touching signals line 212 and scanning line 211, reduce process costs, decrease the rete quantity of display floater.
In some optional implementations of the present embodiment, array base palte also includes the first insulating barrier being formed between the first metal layer and touch control electrode layer.Being provided with through at least one first via 241 of the first insulating barrier on first insulating barrier, touching signals line 212 is electrically connected with multiple touch control electrode by least one first via 241.
With further reference to Fig. 3, it illustrates the part sectioned view of array base palte shown in Fig. 2.Fig. 3 show along Fig. 2 and the S1 of the data wire 221 parallel lines tangent plane schematic diagram cut open.As it is shown on figure 3, array base palte 200 includes underlay substrate 20, underlay substrate 20 includes viewing area 201 and non-display area 202.Array base palte 200 is additionally included in the first metal layer 21 and second metal level 22 of arrangement on the direction being perpendicular to underlay substrate 20.Wherein, the first metal layer 21 is for forming the scanning line 211 of array base palte 200, and the second metal level 22 is for forming the data wire 221 of array base palte 200.Multiple pixel cell being arranged in array it is provided with in viewing area 201.The line direction of pixel cell is the bearing of trend of scanning line 211, and the column direction of pixel cell is the bearing of trend of data wire 221.Array base palte 200 also includes touch control electrode layer 23 and touching signals line 212.Touching signals line 212 is arranged with layer with the first metal layer 21.Touch control electrode layer 23 includes multiple touch control electrode 231.Touching signals line 212 and a touch control electrode 231 are electrically connected, and transmit touching signals for touch control electrode 231.
In some optional implementations of this enforcement, array base palte 200 also includes the first insulating barrier 24 being formed between the first metal layer 21 and touch control electrode layer 23.First insulating barrier 24 is provided with through at least one first via 241 of the first insulating barrier 24.Touching signals line 212 is electrically connected with multiple touch control electrode 231 by least one first via 241.
As it is shown on figure 3, the first insulating barrier 24 can be formed between the first metal layer 21 and touch control electrode layer 23.First insulating barrier can be multiple, such as when the second metal level 22 is formed between the first metal layer 21 and touch control electrode layer 23, between the first metal layer 21 and the second metal level 22 and between the second metal level 22 and touch control electrode layer 23, the first insulating barrier 24 can be equipped with.When making array base palte, can sequentially form along being perpendicular to underlay substrate direction: the first metal layer 21, ground floor the first insulating barrier, the second metal level 22, the second layer the first insulating barrier, touch control electrode layer 23, and the first via is set on the position that ground floor the first insulating barrier is relative with the second layer the first insulating barrier.Touching signals line 212 is formed on the first metal layer 21, electrically connects with touch control electrode 231 by running through the first via 241 of ground floor the first insulating barrier and the second layer the first insulating barrier.
In some optional implementations of the present embodiment, the first insulating barrier 24 can be provided with the first via 241 of multiple parallel connection.First via of multiple parallel connections is possible not only to reduce further the resistance of touch control electrode, it is also possible to when touching signals line cannot transmit signal by first via to touch control electrode, other first vias can ensure that the stability of touching signals line and the electrical connection of touch control electrode.
In further implementation, the first via 241 is arranged between adjacent two pixel cell.In the present embodiment, it is possible to certain length interval, the first via is set.It is separated by between any two the first via 241 length of multiple pixel cell, namely a via is only set between multiple pixel cells, is conducive to promoting the aperture opening ratio of array base palte.
It should be noted that be provided with gate driver circuit, source electrode drive circuit and thin film transistor (TFT) in the non-display area 202 of array base palte 200, these known structures do not show that in fig. 2.
Refer to Fig. 4, it illustrates the structural representation of another embodiment of the array base palte that the application provides.As shown in Figure 4, scanning line 411 that array base palte 400 includes being arranged in array pixel cell 403, line direction along pixel cell 403 extend and the data wire 421 that the column direction along pixel cell 403 extends.In the present embodiment, the second metal level of the touching signals line 422 with data wire 421 place for transmitting touching signals to touch control electrode is arranged with layer.Touching signals line 422 is arranged between adjacent two row pixel cells 403, insulate with the data wire 421 in viewing area and direction of routing is consistent.In the diagram, touching signals line 422 is parallel with data wire 421.In the display stage, data wire 421 receives the data signal of drive circuit output, and now touching signals line 422 is the common electric voltage required for public electrode transmission display as public electrode wire.Owing to data wire 421 and touching signals line 422 insulate, data wire 421 and the signal on touching signals line 422 do not interfere with each other, it is to avoid form effect of parasitic capacitance display effect.And one procedure can be used to concurrently form touching signals line 422 and data wire 421, reduce process costs, decrease the rete quantity of display floater.
In some optional implementations of the present embodiment, array base palte also includes the second insulating barrier being formed between the second metal level and touch control electrode layer.Being provided with through at least one second via 441 of the second insulating barrier on second insulating barrier, touching signals line 422 is electrically connected with multiple touch control electrode by least one second via 441.
With further reference to Fig. 5, it illustrates the part sectioned view of array base palte shown in Fig. 4.Fig. 5 show along Fig. 4 and the scanning parallel line S2 of the line 411 tangent plane schematic diagram cut open.As it is shown in figure 5, array base palte 400 includes underlay substrate 40, underlay substrate 40 includes viewing area 401 and non-display area 402.Array base palte 400 is additionally included in the first metal layer 41 and second metal level 42 of arrangement on the direction being perpendicular to underlay substrate 40.Wherein, the first metal layer 41 is for forming the scanning line 411 of array base palte 400, and the second metal level 42 is for forming the data wire 421 of array base palte 400.Multiple pixel cell being arranged in array it is provided with in viewing area 401.The line direction of pixel cell is the bearing of trend of scanning line 411, and the column direction of pixel cell is the bearing of trend of data wire 421.Array base palte 400 also includes touch control electrode layer 43 and touching signals line 422.Touching signals line 422 and the second metal level 42 are arranged with layer.Touch control electrode layer 43 includes multiple touch control electrode 431.Touching signals line 422 and a touch control electrode 431 are electrically connected, and transmit touching signals for touch control electrode 431.
In some optional implementations of this enforcement, array 400 also includes the second insulating barrier 44 being formed between the second metal level 42 and touch control electrode layer 43.Second insulating barrier 44 is provided with through at least one second via 441 of the second insulating barrier.Touching signals line 422 is electrically connected with multiple touch control electrode 431 by least one second via 441.
As it is shown in figure 5, the second insulating barrier 44 can be formed between the second metal level 42 and touch control electrode layer 43.In some optional implementations of the present embodiment, the second insulating barrier 44 can be provided with the second via 441 of multiple parallel connection.First via of multiple parallel connections is possible not only to reduce further the resistance of touch control electrode, it can also be ensured that the stability of the connection of touching signals line and touch control electrode.
In further implementation, the second via 441 is arranged between adjacent two pixel cell.In the present embodiment, the length of multiple pixel cell of can being separated by between any two the second via 441, multiple public electrodes can share second via, is conducive to promoting the aperture opening ratio of array base palte.
In certain embodiments, if array base palte is used for LTPS (LowTemperaturePoly-silicon, low temperature polycrystalline silicon) screen, then array base palte can also include TFT (ThinFilmTransistor, thin film transistor (TFT)) shading metal level, for blocking the TFT being connected on array base palte with pixel cell, it is to avoid TFT produces scanning and the display of influence of leakage current pixel cell after being subject to illumination.
With further reference to Fig. 6 A, it illustrates the structural representation of another embodiment of the array base palte that the application provides.As shown in Figure 6A, scanning line 611 that array base palte 600A includes being arranged in array pixel cell 603, line direction along pixel cell 603 extend and the data wire 621 that the column direction along pixel cell 603 extends.TFT shading metal level has orthographic projection on underlay substrate, and TFT is blocked by orthographic projection, it is to avoid TFT is subject to illumination.In the present embodiment, the TFT shading metal level of the touching signals line 652 with TFT shading metal 651 place for transmitting touching signals to touch control electrode is arranged with layer.Touching signals line 652 is arranged between adjacent rows pixel cell 603, insulate with the scanning line 611 in viewing area and direction of routing is consistent.In fig. 6, touching signals line 652 is parallel with scanning line 611.In the display stage, scanning line 611 receives the scanning signal of gate driver circuit output, and now touching signals line 652 is that public electrode transmission shows required common electric voltage as public electrode wire.Owing to TFT shading metal level is only used for blocking thin film transistor (TFT), it is provided with insulating barrier between other conductive layers on itself and array base palte, so it is insulated from each other between TFT shading metal level and the first metal layer, the second metal level, touch control electrode layer and other conductive layers (such as pixel electrode layer), with TFT shading metal level with layer the touching signals line 652 arranged and the scanning line insulation being formed on the first metal layer 61, touching signals line 652 does not interfere with each other with the signal on scanning line 611, such that it is able to avoid the formation of effect of parasitic capacitance display effect.Additionally, and will not be short-circuited between touching signals line 652 and the holding wire (holding wire in such as data wire, grid line, source electrode drive circuit, the holding wire etc. in gate driver circuit) being arranged at other conductive layers that TFT shading metal level is arranged with layer, thus ensureing the stability of array base palte display effect.
With continued reference to Fig. 6 B, it illustrates the structural representation of the further embodiment of the array base palte that the application provides.As shown in Figure 6B, scanning line 611 that array base palte 600B includes being arranged in array pixel cell 603, line direction along pixel cell 603 extend and the data wire 621 that the column direction along pixel cell 603 extends.TFT shading metal level has orthographic projection on underlay substrate, and TFT is blocked by orthographic projection, it is to avoid TFT is subject to illumination.In the present embodiment, the TFT shading metal level of the touching signals line 653 with TFT shading metal 651 place for transmitting touching signals to touch control electrode is arranged with layer.Touching signals line 653 is arranged between adjacent two row pixel cells 603, insulate with the data wire 611 in viewing area and direction of routing is consistent.In fig. 6b, touching signals line 653 is parallel with data wire 621.In the display stage, data wire 621 receives the data signal of drive circuit output, and now touching signals line 653 is the common electric voltage required for public electrode transmission display as public electrode wire.Owing to data wire 621 and touching signals line 653 insulate, data wire 621 and the signal on touching signals line 653 do not interfere with each other, such that it is able to avoid the formation of effect of parasitic capacitance display effect.
In the embodiment shown in Fig. 6 A or Fig. 6 B, array base palte 600A or 600B can also include the 3rd insulating barrier being formed between TFT shading metal level and touch control electrode layer.Being provided with through at least one the 3rd via 641 or 651 of the 3rd insulating barrier on 3rd insulating barrier, touching signals line is electrically connected with multiple touch control electrode by least one the 3rd via 641 or 651.
With further reference to Fig. 7 A, it illustrates the part sectioned view of array base palte shown in Fig. 6 A.Fig. 7 A show line S3 parallel with data wire 621 along Fig. 6 A tangent plane cut open.As shown in Figure 7 A, array base palte 600A includes underlay substrate 60, and underlay substrate 60 includes viewing area 601 and non-display area 602.Array base palte 600A is additionally included in the first metal layer the 61, second metal level 62 and the TFT shading metal level 65 of arrangement on the direction being perpendicular to underlay substrate 60.Wherein, the grid 612 of the first metal layer 61 scanning line 611 and TFT for forming array base palte 600A, the second metal level 62 is for forming the data wire 621 of array base palte 600A.Multiple pixel cell being arranged in array it is provided with in viewing area 601.The line direction of pixel cell is the bearing of trend of scanning line 611, and the column direction of pixel cell is the bearing of trend of data wire 621.Array base palte 600A also includes touch control electrode layer 63 and the touching signals line 652 arranged with TFT shading metal level 65 with layer.Touch control electrode layer 63 includes multiple touch control electrode 631.Touching signals line 652 and a touch control electrode 631 are electrically connected, and transmit touching signals for touch control electrode 631.
In some optional implementations of this enforcement, array base palte 600A also includes the 3rd insulating barrier 64 being formed between TFT shading metal level 65 and touch control electrode layer 63.3rd insulating barrier 64 is provided with through at least one the 3rd via 641 of the 3rd insulating barrier.Touching signals line 652 is electrically connected with multiple touch control electrode 631 by least one the 3rd via 641.
With further reference to Fig. 7 B, it illustrates the part sectioned view of array base palte shown in Fig. 6 B.Fig. 7 B show along Fig. 6 B and the scanning parallel line S4 of the line 611 tangent plane schematic diagram cut open.As shown in Figure 7 B, array base palte 600B includes underlay substrate 60, and underlay substrate 60 includes viewing area 601 and non-display area 602.Array base palte 600B is additionally included in the first metal layer the 61, second metal level 62 and the TFT shading metal level 65 of arrangement on the direction being perpendicular to underlay substrate 60.Wherein, the grid 612 of the first metal layer 61 scanning line 611 and TFT for forming array base palte 600B, the second metal level 62 is used for being formed source electrode 622 and the drain electrode 623 of the data wire 621 of array base palte 600B and TFT.Multiple pixel cell being arranged in array it is provided with in viewing area 601.The line direction of pixel cell is the bearing of trend of scanning line 611, and the column direction of pixel cell is the bearing of trend of data wire 621.Array base palte 600B also includes touch control electrode layer 63 and the touching signals line 653 arranged with TFT shading metal level 65 with layer.Touch control electrode layer 63 includes multiple touch control electrode 631.Touching signals line 653 and a touch control electrode 631 are electrically connected, and transmit touching signals for touch control electrode 631.
In some optional implementations of this enforcement, array base palte 600B also includes the 3rd insulating barrier 64 being formed between TFT shading metal level 65 and touch control electrode layer 63.3rd insulating barrier 64 is provided with through at least one the 3rd via 642 of the 3rd insulating barrier.Touching signals line 653 is electrically connected with multiple touch control electrode 631 by least one the 3rd via 642.
As shown in figures 7 a and 7b, the 3rd insulating barrier 64 can be formed between TFT shading metal level 65 and touch control electrode layer 63.3rd insulating barrier can be multiple, such as when the first metal layer 61 and the second metal level 62 are formed between touch control electrode layer 63 and TFT shading metal level 65, between TFT shading metal level and the first metal layer 61, between the first metal layer 61 and the second metal level 62, between the second metal level 62 and touch control electrode layer 63, it is equipped with the 3rd insulating barrier 64.When making array base palte, can sequentially form along being perpendicular to underlay substrate direction: TFT shading metal level 65, ground floor the 3rd insulating barrier 64, the first metal layer 61, the second layer the 3rd insulating barrier the 64, second metal level 62, third layer the 3rd insulating barrier 64, touch control electrode layer 63, and be provided with the 3rd via on ground floor the 3rd insulating barrier 64, the second layer the 3rd insulating barrier 64 and the relative position of third layer the 3rd insulating barrier 64.Touching signals line 652 or 653 is formed on TFT shading metal level 65, is electrically connected with touch control electrode 631 by the 3rd via.In some optional implementations of the present embodiment, the 3rd insulating barrier 64 can be provided with the 3rd via of multiple parallel connection.3rd via of multiple parallel connections is possible not only to reduce further the resistance of touch control electrode, it is also possible to further enhance the stability of touching signals line and the connection of touch control electrode.
In further implementation, the 3rd via 641 or 642 is arranged between adjacent two pixel cell.In the present embodiment, the length of multiple pixel cell of can being separated by between any two the 3rd via, multiple public electrodes can share the 3rd via, to promote the aperture opening ratio of array base palte.
Refer to Fig. 8, it illustrates the structural representation of the further embodiment of the array base palte that the application provides.As shown in Figure 8, array base palte 800 includes viewing area 801 and non-display area 802.Array base palte 800 is provided with the pixel cell 803 being arranged in array, extend along the line direction of pixel cell 803 scanning line 811 and the data wire 821 that the column direction along pixel cell 803 extends.In the present embodiment, array base palte 800 is additionally provided with multiple touch control electrode 831.Second metal level of touching signals line 822 from touching signals to touch control electrode 831 with data wire 821 place for transmitting is arranged with layer, and touching signals line 822 is arranged in non-display area 802.SI semi-insulation at non-display area of touching signals line 822 and data wire 821 and with the data wire of arbitrary neighborhood without intersecting.As shown in Figure 8, data wire 821 is inconsistent at the bearing of trend of non-display area 802 and the column direction of pixel cell.In non-display area 802, data wire 821 is connected with the driving chip (in Fig. 8 not shown) being arranged at non-display area 802.Driving chip is arranged in a sub regions 8021 of non-display area 802.The data wire 821 cabling in the subregion 8021 of non-display area 802 can form a sector structure.Fig. 8 has illustrated a part of intra-zone divided data line 821 of this sector structure and the direction of routing of part touching signals line 822.Touch control electrode 831 is connected to driving chip by being arranged at the touching signals line of non-display area 802.The data wire 821 that every touching signals line 822 is adjacent is at the direction of routing less parallel of non-display area 802, and mutually insulated.When display, data wire 821 receives the data signal of drive circuit output, and now touching signals line 822 is the common electric voltage required for public electrode transmission display as public electrode wire.Owing to data wire 821 and touching signals line 822 insulate, data wire 821 and the signal on touching signals line 822 do not interfere with each other, it is to avoid form effect of parasitic capacitance display effect.
In the embodiment shown in fig. 8, touching signals line 822 is arranged in the sector structure formed by the data wire 821 trace portions in non-display area.And the direction of routing of touching signals line 822 forms the angle of≤90 ° with the direction of routing scanning line 811 in viewing area 801.Can be not parallel to each other between each touching signals line 822.Along the center of sector structure to two edge directions, the angle that the direction of routing of each touching signals line 822 is formed with the direction of routing scanning line 811 in viewing area 801 is gradually increased.At the core of sector structure, the direction of routing of touching signals line 822 is consistent with data wire 821 direction in viewing area 801.
In the present embodiment, touching signals line 822 is arranged at non-display area, and mutually disjoints with data wire, it is possible to reduce the cabling quantity of viewing area further.By the array base palte adopting the present embodiment to provide, it is not necessary to be that touching signals line arranges cabling space in viewing area, it is possible to simplify the cabling design in viewing area further, reduce process complexity.Meanwhile, touching signals line is arranged at data wire in the sector structure that the trace portions of non-display area is formed, it is possible to simplify the cabling design in non-display area, reduce the space shared by touching signals line in non-display area, be conducive to the design of narrow frame.
In the design of existing array base palte, touching signals line is positioned at viewing area, affect display effect and touch accuracy of detection in order to avoid producing parasitic capacitance or be short-circuited between touching signals line and data wire, generally being arranged on by two data line in stitching the same a moment between adjacent two pixel cells, touching signals line is arranged in stitching the quarter between adjacent two pixel cells being not provided with data wire.So, when adjacent two data line in stitching same a moment successively receive data signal by same connecting line, the impact of the signal that a unsettled data line can be subject on adjacent powered data wire.By adopting the scheme described by the present embodiment, touching signals line 822 and the second metal level 82 are arranged with layer, and is arranged in non-display area, it is possible to touching signals line is set between any two adjacent data lines.Then in viewing area, between adjacent two row pixel cells, a data line can be only set.The impact of the signal that data wire unsettled when by same holding wire on the rear drive of data wire elder generation will not be subject on powered data wire, it is to avoid the impact that display effect is caused.
In some optional implementations of the present embodiment, array base palte also includes the 4th insulating barrier being formed between the second metal level and touch control electrode layer.Being provided with through at least one the 4th via 841 of the 4th insulating barrier on 4th insulating barrier, touching signals line 822 is electrically connected with multiple touch control electrode by least one the 4th via 841.
In some optional implementations of this enforcement, array base palte 800 also includes multiple touch control electrode line pad 832.Touch control electrode line pad 832 has orthographic projection and orthographic projection is positioned at the touch control electrode layer part at non-display area 802 in touch control electrode layer 83 place plane.Touch control electrode line pad 832 can be arranged on the 4th insulating barrier 84.Can being provided with the via corresponding with the 4th via 841 on touch control electrode line pad 832, touching signals line 822 is electrically connected with touch control electrode 831 by the 4th via 841 on the 4th insulating barrier and the via on touch control electrode line pad 832.
With further reference to Fig. 9, it illustrates the part sectioned view of array base palte shown in Fig. 8.Fig. 9 show along Fig. 8 and the S5 of the data wire 811 parallel lines tangent plane schematic diagram cut open.As it is shown in figure 9, array base palte 800 includes underlay substrate 80, underlay substrate 80 includes viewing area 801 and non-display area 802.Array base palte 800 is additionally included in the first metal layer 81 and second metal level 82 of arrangement on the direction being perpendicular to underlay substrate 80.Wherein, the first metal layer 81 is for forming the scanning line of array base palte 800, and the second metal level 82 is for forming the data wire 821 of array base palte 800.Multiple pixel cell being arranged in array it is provided with in viewing area 801.The line direction of pixel cell is the bearing of trend of scanning line 811, and the column direction of pixel cell is the bearing of trend of data wire 821.Array base palte 800 also includes touch control electrode layer 83 and is arranged at the touching signals line 822 of non-display area 802.Touching signals line 822 and the second metal level 82 are arranged with layer.Touch control electrode layer 83 includes multiple touch control electrode 831.Touching signals line 822 and a touch control electrode 831 are electrically connected, and transmit touching signals for touch control electrode 831.
In some optional implementations of this enforcement, array base palte 800 also includes being formed at the 4th insulating barrier 84 between the second metal level 82 and touch control electrode layer 83 and touch control electrode line pad 832.4th insulating barrier 84 is provided with through at least one the 4th via 841 of the 4th insulating barrier.Touching signals line 822 is electrically connected with multiple touch control electrode 831 by least one the 4th via 841.Touch control electrode line pad 832 can be provided with the via 833 corresponding with the position of the 4th via 841.Touching signals line 822 is electrically connected with touch control electrode 831 by the 4th via 841 and via 833.The width of touching signals line 822 cabling is less, and the area of touch control electrode 831 is generally bigger, by arranging touch control electrode line pad 832, it is possible to increase the contact area of touching signals line 822 and touch control electrode 831, the stability of the connection between lifting touching signals line 822 and touch control electrode 831.
In some optional implementations of the present embodiment, the second insulating barrier 84 can be provided with the 4th via 841 of multiple parallel connection.4th via 841 of multiple parallel connections can reduce the resistance of touch control electrode further, it can also be ensured that the stability that touching signals line electrically connects with touch control electrode.
In the above-described embodiments, the multiple touch control electrode being arranged at touch control electrode layer are insulated from each other, and optionally, touch control electrode is used as touch control electrode in the touch-control stage, is used as public electrode in the display stage.Can touch controllable function be integrated in the middle of display floater thus, substantially reduce the thickness of display floater, be conducive to the lightening of display floater.In the present embodiment, the realization of touch controllable function can pass through mutual capacitance type touch-control, it is also possible to by self-tolerant touch-control.For mutual capacitance type touch-control, including touch-control drive electrode and touch detection electrodes, touch-control drive electrode is sequentially input touch-control and is driven signal, touch detection electrodes output detections signal, touch-control drive electrode and touch detection electrodes form electric capacity, when touch-control display panel occurs touch-control, the coupling between touch-control drive electrode and touch detection electrodes near touch point can be affected, thus the capacitance changed between touch-control drive electrode and touch detection electrodes.The method of detected touch point position is, touch-control drive electrode is sequentially input touch-control and drives signal, touch detection electrodes exports touch control detection signal simultaneously, so can obtain the capacitance size of all touch-control drive electrodes and touch detection electrodes joint, the i.e. capacitance size of the two dimensional surface of whole integrated touch-control display panel, according to touch-control display panel two dimension capacitance change data, it is possible to calculate the coordinate of touch point.
In the touch-control stage, touch control electrode can as touch-control drive electrode, it is also possible to as touch detection electrodes, receives or output touching signals.In the display stage, touch control electrode is multiplexed with the voltage that public electrode provides display required for the pixel cell on array base palte.Further, touch control electrode can be strip shaped electric poles, and the bearing of trend of strip shaped electric poles is identical with the bearing of trend of data wire.Multiple strip shaped electric poles can along the direction laid out in parallel intersected with data wire, such as can along the direction laid out in parallel vertical with data wire, thus control circuit can be arranged on the same side with providing the data drive circuit of display signal for display pixel, be conducive to the design of narrow frame.Further, touch control electrode is used as touch-control drive electrode, receives touch-control when touching detection and drives signal.Touch-control drives signal can be periodically pulsing signal.
The method to set up of touching signals line in each embodiment that the application provides is specifically described above in association with Fig. 2 to Fig. 9, touching signals line is arranged with layer with the first metal layer, the second metal level or TFT shading metal level, when making array base palte without making touch control electrode line metal level again, on touching signals line and array base palte, other metal wire circuits can shape simultaneously, process complexity can be reduced, simplify the structure of array base palte.
With continued reference to Figure 10, it illustrates the part sectioned view of an embodiment of the touch-control display panel that the application provides.As shown in Figure 10, touch-control display panel 1000 can include array base palte 1 and the color membrane substrates 2 being oppositely arranged with array base palte.Wherein, array base palte 1 can be above in association with Fig. 2 to Fig. 9 array base palte described, including underlay substrate 1110.Underlay substrate 1110 includes viewing area 1001 and non-display area 1002.Array base palte 1 is additionally included on the direction being perpendicular to underlay substrate 1110 multiple metal levels of arrangement.Multiple metal levels at least include the first metal layer 1010 and the second metal level 1020.Wherein, the first metal layer 1010 is for forming the scanning line 1011 (only illustrating in Fig. 1) of array base palte 1000, and the second metal level 1020 is for forming the data wire 1021 of array base palte 1000.Multiple pixel cell being arranged in array it is provided with in viewing area 1001.The line direction of pixel cell is the bearing of trend of scanning line 1011, and the column direction of pixel cell is the bearing of trend of data wire 1021.Array base palte 1 also includes touch control electrode layer 1030 and a plurality of touching signals line.Touch control electrode layer 1030 includes multiple touch control electrode 1031.Touching signals line and a touch control electrode 1031 are electrically connected, and transmit touching signals for touch control electrode 1031.Touching signals line is arranged with layer with the above-mentioned multiple metal levels of at least one of which.In Fig. 1, touching signals line 1022 can be arranged with layer with the second metal level 1020.In other embodiments, touching signals line 1022 can also be arranged with layer with the first metal layer 1010.
It is provided with drive circuit in the non-display area 1002 of array base palte 1.Wherein, gate driver circuit for the pixel cell on scanning array substrate 1 is arranged with layer with the first metal layer 1010, for transmitting data signal to data wire 1021 so that the drive circuit 1023 that pixel cell displays according to data signal can be arranged with layer with the second metal level 1020.
Color membrane substrates 2 can be provided with the reception electrode 1041 arranged in a crossed manner with touch control electrode 1031.Receive electrode, the edge parallel with scanning line 1011 that can also be bearing of trend and scan the strip shaped electric poles of the direction laid out in parallel that line intersects.Receive electrode 1041 and be used as touch-control sensing electrode, form mutual capacitance with touch control electrode 1031.In the touch-control display panel shown in Figure 10, touch control electrode 1031 can be arranged at the array base palte 1 side towards color membrane substrates 2, and reception electrode 1041 can be arranged on color membrane substrates 2 to deviate from the side of array base palte 1.It is of course not solely limited to this kind arrange, can also be: touch control electrode 1031 can be arranged at the array base palte 1 side towards color membrane substrates 2, receive electrode 1041 and can be arranged on color membrane substrates 2 on the side of array base palte 1, etc. other can form the set-up mode of mutual capacitance.When touching detection, determine the position of touch point by detecting the change of mutual capacitance between touch control electrode 1031 and reception electrode 1041.
The embodiment of the present application additionally provides a kind of touch display screen, including above in association with Figure 10 touch-control display panel described.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Skilled artisan would appreciate that, utility model scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when conceiving without departing from described utility model, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed.
Claims (16)
1. an array base palte, it is characterised in that including:
Underlay substrate, including viewing area and non-display area；Multiple metal levels of arrangement on the direction being perpendicular to described underlay substrate；
The plurality of metal level includes the first metal layer and the second metal level；
Described the first metal layer is for forming the scanning line of described array base palte；
Described second metal level is for forming the data wire of described array base palte；
Being provided with multiple pixel cell in described viewing area, described pixel cell is arranged in array, and the line direction of described pixel cell is the bearing of trend of described scanning line, and the column direction of described pixel cell is the bearing of trend of data wire；
Touch control electrode layer, described touch control electrode layer includes multiple touch control electrode；
A plurality of touching signals line, described touching signals line and a described touch control electrode are electrically connected, and transmit touching signals for described touch control electrode；
Described touching signals line is arranged with layer with the plurality of metal level of at least one of which.
2. array base palte according to claim 1, it is characterised in that
Described touching signals line is arranged with layer with described the first metal layer；
Described touching signals line is arranged at described in adjacent rows between pixel cell, and described touching signals line insulate with the scanning line in described viewing area and direction of routing is consistent.
3. array base palte according to claim 2, it is characterised in that
Described array base palte also includes: be formed at the first insulating barrier between described the first metal layer and described touch control electrode layer；
Being provided with through at least one first via of described first insulating barrier on described first insulating barrier, described touching signals line is electrically connected with multiple described touch control electrode by least one first via described.
4. array base palte according to claim 1, it is characterised in that described touching signals line and described second metal level are with layer setting, and described touching signals line is arranged at adjacent two and arranges between described pixel cells；
Described touching signals line is consistent with the insulation of the data wire of described viewing area and direction of routing.
5. array base palte according to claim 4, it is characterised in that described array base palte also includes the second insulating barrier being formed between described second metal level and described touch control electrode layer；
Being provided with through at least one second via of described second insulating barrier on described second insulating barrier, described touching signals line is electrically connected with described touch control electrode by least one second via described.
6. array base palte according to claim 1, it is characterised in that
The plurality of metal level also includes thin film transistor (TFT) shading metal level, and described touching signals line is arranged with layer with described thin film transistor (TFT) shading metal level.
7. array base palte according to claim 6, it is characterised in that described touching signals line is consistent with the direction of routing of described data wire or described scanning line.
8. array base palte according to claim 6, it is characterised in that described array base palte also includes the 3rd insulating barrier being formed between described thin film transistor (TFT) shading metal level and described touch control electrode；
Described 3rd insulating barrier is provided with through at least one the 3rd via of described 3rd insulating barrier,
Described touching signals line is electrically connected with described touch control electrode by least one the 3rd via described.
9. the array base palte according to claim 3-8 any one, it is characterised in that described first via or described second via or described 3rd via are between two adjacent described pixel cells.
10. array base palte according to claim 1, it is characterised in that
Described touching signals line is arranged with layer with described second metal level, and described touching signals line is arranged in described non-display area；
Described touching signals line and described data wire the SI semi-insulation of non-display area and with the data wire of arbitrary neighborhood without intersecting.
11. array base palte according to claim 10, it is characterised in that also include:
It is formed at the 4th insulating barrier between described second metal level and described touch control electrode layer；
Multiple touch control electrode line pads, each described touch control electrode line pad and touch control electrode line one_to_one corresponding, and be directly electrically connected；
Described touch control electrode line pad has orthographic projection in described touch control electrode layer place plane, and described orthographic projection is positioned at the described touch control electrode layer part at non-display area；
Described 4th insulating barrier has at least one the 4th via, and described touching signals line is electrically connected by least one the 4th via and described touch control electrode.
12. array base palte according to claim 1, it is characterised in that described touch control electrode is used as touch control electrode in the touch-control stage, it is used as public electrode in the display stage.
13. array base palte according to claim 12, it is characterised in that described touch control electrode is strip shaped electric poles, the bearing of trend of described strip shaped electric poles is identical with the bearing of trend of described data wire, the direction laid out in parallel that described strip shaped electric poles edge is intersected with described data wire.
14. array base palte according to claim 13, it is characterised in that described touch control electrode is used as touch-control drive electrode, receive touch-control and drive signal.
15. a touch-control display panel, it is characterised in that include the array base palte described in any one of claim 1-14 and the color membrane substrates being oppositely arranged with described array base palte.
16. a touch control display apparatus, it is characterised in that include the touch-control display panel described in claim 15.
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| CN201620094783.9U CN205375436U (en) | 2016-01-29 | 2016-01-29 | Array substrate , touch -control display panel and touch -sensitive display device |
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| CN201620094783.9U CN205375436U (en) | 2016-01-29 | 2016-01-29 | Array substrate , touch -control display panel and touch -sensitive display device |
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| CN205375436U true CN205375436U (en) | 2016-07-06 |
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| CN107797351A (en) * | 2017-11-07 | 2018-03-13 | 信利半导体有限公司 | A kind of TFT substrate and preparation method thereof and the liquid crystal display for including it |
| CN108565271A (en) * | 2018-01-23 | 2018-09-21 | 中国电子科技集团公司第四十四研究所 | Lead-light-shielding structure of CCD is shifted for interior lines |
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| CN113035891A (en) * | 2021-03-15 | 2021-06-25 | 厦门天马微电子有限公司 | Array substrate and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107797351A (en) * | 2017-11-07 | 2018-03-13 | 信利半导体有限公司 | A kind of TFT substrate and preparation method thereof and the liquid crystal display for including it |
| CN108565271A (en) * | 2018-01-23 | 2018-09-21 | 中国电子科技集团公司第四十四研究所 | Lead-light-shielding structure of CCD is shifted for interior lines |
| CN111668279A (en) * | 2020-06-30 | 2020-09-15 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
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| CN111736729A (en) * | 2020-07-17 | 2020-10-02 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN111736729B (en) * | 2020-07-17 | 2022-07-12 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN112860110A (en) * | 2021-02-09 | 2021-05-28 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
| CN112860110B (en) * | 2021-02-09 | 2023-12-15 | 武汉华星光电半导体显示技术有限公司 | Touch display panel |
| CN113035891A (en) * | 2021-03-15 | 2021-06-25 | 厦门天马微电子有限公司 | Array substrate and display device |
| CN113035891B (en) * | 2021-03-15 | 2024-03-15 | 厦门天马微电子有限公司 | Array substrate and display device |
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