CN206178760U - Touch display panel - Google Patents
Touch display panel Download PDFInfo
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- CN206178760U CN206178760U CN201621263484.XU CN201621263484U CN206178760U CN 206178760 U CN206178760 U CN 206178760U CN 201621263484 U CN201621263484 U CN 201621263484U CN 206178760 U CN206178760 U CN 206178760U
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Abstract
The utility model provides a touch display panel, include: first base plate: touch -control electrode layer is located on the first base plate, including a plurality of multiplexing touch -control electrodes that are NULL, the matrix arrangement is pressed to a plurality of touch -control electrodes, a plurality of the first switch element are located on the first base plate, each the first switch element's control electrode is connected to same signal end, each two adjacent touch -control electrodes are connected respectively to the first switch element's first ploe and second ploe for at least two adjacent the touch -control electrode passes through the first switch element connects, the control of signal end the first switch element switched on in the demonstration stage, broke off in the touch -control stage, and a plurality of the 2nd switch element, lie in on the first base plate, each the control of the 2nd switch element touch display panel advances line display. The utility model provides a touch display panel can improve the display effect.
Description
Technical field
The utility model is related to display field, more particularly to a kind of touch-control display panel.
Background technology
With the development of human-computer interaction technology, touch technology is increasingly used on various displays.Capacitive character is touched
, because its is wear-resistant, life-span length, maintenance cost is low when user uses for control technology, and can support gesture identification and multi-point touch
Advantage and be widely used.
Capacitive character touch technology can be divided into self-capacitance touch-control skill according to the detection mode of the electric capacity between different objects
Art and mutual capacitance type touch control technology.Self-capacitance touch technology detects defeated according to the capacitance variations between input object and electrode
Enter object presence on the touchscreen, position and motion.Mutual capacitance type touch control technology is then according between electrode caused by input object
Capacitance variations detecting input object presence on the touchscreen, position and motion.
Fig. 1 illustrated in prior art, a kind of schematic diagram of the display floater 100 of employing self-capacitance touch-control.Display floater
100 include multiple touch control electrodes 110, the quarter seam 111 for being formed between adjacent touch electrode 110 along Y-direction or being extended in X direction.
Stitched as a example by 111 by the quarter extended along Y-direction, electric field in X direction can be formed between touch control electrode 110 adjacent in X direction.After
Continue referring to Fig. 2, electric field in X direction can cause the liquid crystal molecule 150 (such as negative liquid crystal molecule) at quarter seam 111 by orientation side
To deflecting to Y-direction, and then carving phenomenon that light leak is produced at seam 111.In the same manner, the quarter for extending in X direction stitches 111 meetings of being likely to
Cause identical problem.Particularly with negative liquid crystal molecule, its ion concentration is higher, and faint electric field difference may cause
The leakage problem of display floater.As can be seen here, display floater of the prior art is due to the problem of its light leak, it is difficult to provide good
Display effect.
Utility model content
The utility model is for the defect for overcoming above-mentioned prior art to exist, there is provided a kind of touch-control display panel, it can change
The display effect of kind display floater.
According to one side of the present utility model, there is provided a kind of touch-control display panel, including：First substrate：Touch control electrode
Layer, on the first substrate, including multiple touch control electrodes for being multiplexed with public electrode, the plurality of touch control electrode presses matrix
Arrangement；Multiple first switch elements, on the first substrate, the control pole of each first switch element is connected to same
Signal end, first pole and the second pole of each first switch element connect respectively two adjacent touch control electrodes so that at least
Two adjacent touch control electrodes are connected by the first switch element, and the signal end controls the first switch element
In the conducting of the stage of display, disconnect in the touch-control stage；And multiple second switch elements, it is each described on the first substrate
Second switch element controls the touch-control display panel and is shown.
Alternatively, the first switch element the touch-control display panel upright projection be located at two it is adjacent described in
Touch control electrode is between the upright projection of the touch-control display panel.
Alternatively, any two is electrically connected along the adjacent touch control electrode of the line direction of matrix by the first switch element
Connect；And/or, any two is electrically connected along the adjacent touch control electrode in matrix column direction by the first switch element.
Alternatively, the first switch element and the second switch element are thin film transistor (TFT), wherein, described first opens
Close the control extremely first gate electrode of element, first pole and the second pole of the first switch element be respectively the first source electrode,
First drain electrode, first drain electrode and adjacent with the two respectively touch control electrode of first source electrode connect, and with institute
State the first semiconductor of the first drain electrode and first source electrode electrical connection；The second switch element include second grid electrode,
The second semiconductor that second source electrode and the second drain electrode are electrically connected with second source electrode and second drain electrode.
Alternatively, the touch-control display panel also includes：The first metal layer, positioned at the first substrate and touch-control electricity
Between the layer of pole, including a plurality of gate line and gate electrode, a plurality of gate line extends along the line direction of the matrix, the grid
Pole electrode includes the first gate electrode and the second grid electrode；Second metal layer, positioned at the first metal layer and
Between the touch control electrode layer, including a plurality of data lines, second source electrode and second drain electrode, a plurality of data wire edge
The matrix column direction extends, and semiconductor layer, including first semiconductor and second semiconductor.
Alternatively, the second metal layer also includes first source electrode, first drain electrode and a plurality of touch-control lead, institute
State touch-control lead to electrically connect for the touch control electrode to be connected to touch drive circuit with the touch control electrode.
Alternatively, the touch-control display panel also includes：3rd metal level, positioned at the second metal layer and the touch-control
Between electrode layer, including a plurality of touch-control lead, a plurality of touch-control lead extends along the matrix column direction, and the touch-control draws
Line electrically connects for the touch control electrode to be connected to touch drive circuit with the touch control electrode.
Alternatively, the second metal layer also includes first source electrode and first drain electrode；Or the 3rd gold medal
Category layer also includes first source electrode and first drain electrode.
Alternatively, each touch control electrode is connected to first source electrode of the first switch element by the first via
Or first drain electrode, each touch control electrode is connected to the touch-control lead by the second via, wherein, the touch-control draws
Line, first source electrode and first drain electrode are identical positioned at the depth of same layer, first via and the second via；Or
The touch-control lead, first source electrode and first drain electrode are located at different layers, the depth of first via and described the
The depth of two vias is different.
Alternatively, the touch-control display panel also includes：Pixel electrode layer, including multiple pixel electrodes, described second opens
The second source electrode for closing element is electrically connected to the data wire, and the second drain electrode of the second switch element is electrically connected to the pixel
Electrode.
Alternatively, the gate line includes：First grid polar curve, positioned at described in adjacent rows between touch control electrode, described
One gate line is electrically connected as the signal end with the first gate electrode of the first switch element；Second gate line is adjacent
The a plurality of second gate line, a plurality of second gate line and a plurality of data are spaced between two first grid polar curves
Line intersects to form the multiple sub-pixels being arranged in a matrix.
Alternatively, first grid polar curve described in the N article is set between Nth row and N+1 row touch control electrodes, described in the N article
One gate line is electrically connected to：In the first switch element of connection Nth row or N+1 row touch control electrodes, along the matrix
Adjacent two touch control electrodes of line direction first switch element first gate electrode；And connection Nth row and N+1 rows
In the first switch element of touch control electrode, along the first switch unit of two adjacent touch control electrodes of the matrix column direction
The first gate electrode of part, the first row touch control electrode or M rows touch control electrode also set up away from the side of touch control electrode matrix
One first grid polar curve, this article of first grid polar curve is electrically connected to described the of connection the first row or M row touch control electrodes
In one switch element, along the first grid electricity of the first switch element of two adjacent touch control electrodes of the line direction of the matrix
Pole, wherein, M is the line number of the touch control electrode, and M is the integer more than or equal to 1, and N is the integer more than or equal to 1 less than M.
Alternatively, first grid polar curve described in the N article, N+1 rows and N are set between Nth row and N+1 row touch control electrodes
First grid polar curve described in the N+1 article is set between+2 row touch control electrodes, wherein, first grid polar curve is electrically connected to described in the N article：Even
In connecing the first switch element of Nth row touch control electrode, along the of two adjacent touch control electrodes of the line direction of the matrix
The first gate electrode of one switch element；In connecting the first switch element of N+1 row touch control electrodes, along the matrix
The first gate electrode of the first switch element of two adjacent touch control electrodes of line direction；And connection Nth row and N+1 rows are touched
In the first switch element of control electrode, along the first switch element of two adjacent touch control electrodes of the matrix column direction
First gate electrode, first grid polar curve is electrically connected to described in the N+1 article：Connect the institute of N+1 rows and N+2 row touch control electrodes
In stating first switch element, along the first grid of the first switch element of two adjacent touch control electrodes of the matrix column direction
Electrode, wherein, even-numbered first grid polar curve and odd-numbered first grid polar curve are respectively by above-mentioned the N article first grid polar curve and the
The electric connection mode of N+1 bar first grid polar curves is electrically connected with the first switch element and the touch control electrode, N be more than or equal to
1 integer.
Alternatively, each sub-pixel includes viewing area and non-display area, and the pixel electricity is provided with the viewing area
Pole, is provided with the second switch element in the non-display area, wherein, the viewing area of the sub-pixel is located at adjacent two institutes
State between second gate line, or positioned at the first grid polar curve and two second gate lines adjacent with the first grid polar curve
In any bar between.
Alternatively, between adjacent rows touch control electrode formed the upright projection being sewn at quarters on the touch-control display panel and
The non-display area of adjacent rows sub-pixel is least partially overlapped；What is formed between adjacent two row touch control electrode is sewn on the touch-control quarter
Upright projection on display floater is least partially overlapped with the non-display area of adjacent two row sub-pixel, and the first switch element exists
Upright projection on the touch-control display panel is overlapped with the non-display area of the sub-pixel, and is sewn on the touch-control with the quarter
Upright projection on display floater is overlapped.
Alternatively, the touch-control display panel also includes：Second substrate, the touch-control electricity relative with the first substrate
Pole layer is located between the first substrate and the second substrate；Liquid crystal material, is filled in the first substrate and second substrate
Between.
Alternatively, the liquid crystal material is negative liquid crystal material.
Alternatively, first source electrode, first drain electrode are integrally formed with the touch control electrode layer.
Compared with prior art, the utility model is electric by least two adjacent touch-controls by the setting of first switch element
Pole connects, and controls first switch element in the conducting of the stage of display by a signal end, disconnects in the touch-control stage so that each is touched
Control electrode is connected with each other in the display stage, separate in the touch-control stage, prevents from forming unnecessary electricity between touch control electrode with this
, improve touch-control display panel and show leakage problem, and then improve the display effect of touch-control display panel.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the present utility model and advantage will
Become readily apparent from.
Fig. 1 shows the schematic diagram of the display floater of prior art.
Fig. 2 shows that prior art display floater adjacent touch electrode carves the liquid crystal molecule at seam.
Fig. 3 shows the partial schematic diagram of the touch-control display panel according to the embodiment of the utility model one.
Fig. 4 shows a kind of sectional view of stepped construction of touch-control display panel shown in Fig. 3.
Fig. 5 shows the sectional view of another kind of stepped construction of touch-control display panel shown in Fig. 3.
Fig. 6 shows the sectional view of another stepped construction of touch-control display panel shown in Fig. 3.
Fig. 7 shows the schematic diagram of the touch-control display panel according to another embodiment of the utility model.
Fig. 8 shows the schematic diagram of the touch-control display panel according to the another embodiment of the utility model.
Fig. 9 shows the sectional view of the touch-control display panel according to the utility model another embodiment.
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with various shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；Conversely, thesing embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and will comprehensively be conveyed to those skilled in the art by type.It is identical in figure
Reference represent same or similar structure, thus repetition thereof will be omitted.
Described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner
In.In the following description, there is provided many details fully understand so as to be given to embodiment of the present utility model.So
And, one of ordinary skill in the art would recognize that, without one or more in specific detail, or using other methods, constituent element,
Material etc., it is also possible to put into practice the technical solution of the utility model.In some cases, be not shown in detail or describe known features,
Material operates to avoid fuzzy the utility model.
Accompanying drawing of the present utility model is only used for illustrating relative position relation, the thickness at some positions to employ the drawing lavished praise on oneself
In order to understand, the thickness in accompanying drawing does not represent the proportionate relationship of actual thickness to mode.
Light leak is shown in order to solve the problems, such as prior art, the utility model provides a kind of touch-control display panel, including：
First substrate：Touch control electrode layer, on the first substrate, including multiple touch control electrodes, the plurality of touch control electrode presses square
Battle array arrangement；Multiple first switch elements, on the first substrate, the control pole of each first switch element is connected to
One signal end, first pole and the second pole of each first switch element connect respectively two adjacent touch control electrodes so that extremely
Few two adjacent touch control electrodes are connected by the first switch element, and the signal end controls the first switch unit
Part disconnects in the conducting of the stage of display in the touch-control stage；And multiple second switch elements, on the first substrate, each institute
State the second switch element control touch-control display panel to be shown.
Multiple embodiments of the utility model offer are described below in conjunction with the accompanying drawings.
Referring first to Fig. 3, Fig. 3 shows and shown according to the local of the touch-control display panel 200 of the embodiment of the utility model one
It is intended to.Touch-control display panel 200 includes first substrate 201, touch control electrode layer, first switch element 260 and second switch element
270。
Touch control electrode layer is located on first substrate 201.Touch control electrode layer includes multiple touch-control electricity for being multiplexed with public electrode
Pole 250.Multiple touch control electrodes 250 are arranged in a matrix.In other words, multiple touch control electrodes 250 distinguish (the row side of matrix in X direction
To) and Y-direction (matrix column direction) alignment.Specifically, in order to improve prior art in due to touch control electrode 250 it
Between the electric field that formed and the leakage problem that causes, each touch control electrode 250 is separate to receive touching signals in the touch-control stage,
Each touch control electrode 250 is multiplexed with public electrode in the display stage, and now, each touch control electrode 250 is connected with each other and accesses phase
Same signal shows signal to access in the stage of display with identical current potential, i.e. touch control electrode 250, so, in the stage of display,
Unnecessary electric field will not be produced between each touch control electrode 250.
Multiple first switch elements 260 (because Fig. 3 is only partial schematic diagram, therefore only illustrate a first switch unit
Part 260) on first substrate 201.Alternatively, each first switch element 260 is thin film transistor (TFT).Each first switch element
260 first gate electrode (i.e. control pole) is connected to same signal end, first pole and the second pole of each first switch element 260
(i.e. the first source electrode and the first drain electrode) connects respectively two adjacent touch control electrodes 250 so that at least two adjacent touch-control electricity
Pole 250 is connected by first switch element 260.The signal end control first switch element 260 is turned in the stage of display, in touch-control
Stage disconnects.First switch element 260 also includes the first semiconductor electrically connected with the first drain electrode and the first source electrode.
Specifically, the first switch element 260 for illustrating in Fig. 3 connects along two adjacent touch control electrodes 250 of Y-direction.
In some embodiments of the present utility model, any two passes through first switch element along the adjacent touch control electrode 250 of Y-direction
260 electrical connections.In some change case of the present utility model, any two touch control electrode 250 adjacent in X direction passes through first
Switch element 260 is electrically connected.In other change case of the present utility model, any two touch control electrode adjacent in X direction
250 are electrically connected by first switch element 260, and any two is opened along the adjacent touch control electrode 250 of Y-direction also by first
Close element 260 to electrically connect.Further, as shown in figure 3, first switch element 260 touch-control display panel 200 upright projection
Positioned at two adjacent touch control electrodes 250 between the upright projection of touch-control display panel 200.
Multiple second switch elements 270 are located on first substrate 201.Each second switch element 270 controls touch-control display surface
Plate 200 is shown.Each second switch element 270 is alternatively thin film transistor (TFT).Correspondingly, second switch element 270 includes the
The second semiconductor that two gate electrodes, the second source electrode and the second drain electrode are electrically connected with the second source electrode and the second drain electrode.
So arrange, connected at least two adjacent touch control electrodes 250 by first switch element 260, and by one
Signal end control first switch element 260 disconnects so that each touch control electrode 250 exists in the conducting of the stage of display in the touch-control stage
The display stage is connected with each other, separate in the touch-control stage, prevents from forming unnecessary electric field between touch control electrode 250 with this, changes
Kind touch-control display panel 200 shows leakage problem, and then improves the display effect of touch-control display panel 200.
A kind of stepped construction of touch-control display panel 200 is described with reference to Fig. 3 and Fig. 4.Fig. 4 shows and touched shown in Fig. 3
A kind of sectional view of the stepped construction of control display floater.As shown in figs. 3 and 4, touch-control display panel 200A also includes being located at first
The first metal layer, second metal layer and semiconductor layer between substrate 201 and the place touch control electrode layer of touch control electrode 250.
The first metal layer includes a plurality of gate line and gate electrode.Gate electrode includes first gate electrode 262 and second
Gate electrode 272.A plurality of gate line extends in X direction.Gate line includes first grid polar curve 211 and second gate line 212.First
Gate line 211 is located between adjacent rows touch control electrode 250.First grid polar curve 211 is used as signal end and first switch element 260
First gate electrode 262 electrically connect.A plurality of second gate line 212 is spaced between adjacent two first grid polar curves 211.
Second metal layer is located between the first metal layer and touch control electrode layer 250.Second metal layer includes a plurality of data lines
221st, the second source electrode 273 and the second drain electrode 274.A plurality of data lines 221 extends along Y-direction.A plurality of data lines 221 and a plurality of second
Gate line 212 intersects to form the multiple sub-pixels 240 being arranged in a matrix.
In the present embodiment, second metal layer also includes first the 263, first drain electrode 264 of source electrode and touch-control lead 222.Touch
Control lead 222 electrically connects for touch control electrode 250 to be connected to touch drive circuit with touch control electrode 250.A plurality of touch-control lead 222
It is parallel with a plurality of data lines 221, and a plurality of data lines 221 is spaced between adjacent two touch-control leads 222.
Semiconductor layer includes the first semiconductor 261 and the second semiconductor 271.In the present embodiment, semiconductor layer is located at the
Between one metal level and first substrate 201.First semiconductor 261 is electrically connected with first the 263, first drain electrode 264 of source electrode, and first
Gate electrode 262 is located at the first semiconductor 261 in stepped construction and the first source electrode 263, first drains between 264, to be formed
First switch element 260.Second semiconductor 271 is electrically connected with second the 273, second drain electrode 274 of source electrode, and second grid electrode
272 are located between the second semiconductor 271 and second the 273, second drain electrode 274 of source electrode, to form second switch in stepped construction
Element 270.The second grid electrode 272 of second switch element 270 is electrically connected to second gate line 212, second switch element 270
The second source electrode 273 be electrically connected to data wire 221.Although first switch element 260 and second switch element 270 press above-mentioned stacking
Structure is illustrated, but the utility model is not so limited, and such as first switch element 260 and second switch element 270 can be
Identical bottom gate type, top gate type or double gate type thin film transistors；And such as first switch element 260 and second switch element 270
Can be different bottom gate types, top gate type or double gate type thin film transistors.
In the present embodiment, each touch control electrode 250 is connected to the first of first switch element 260 by the first via 251
Source electrode 263 (or first drain electrode 264), each touch control electrode 250 is connected to touch-control lead 222 by the second via 252.Due to this
In embodiment, touch-control lead 222, the first source electrode 263 and the first drain electrode 264 are located at same layer, the first via 251 and the second via
252 depth is identical.
Alternatively, touch-control display panel 200A also includes pixel electrode layer.Pixel electrode layer includes multiple pixel electrodes
230.In the present embodiment, pixel electrode layer is located between touch control electrode layer and second metal layer.In some change case, pixel
Electrode layer may be alternatively located at the side of touch control electrode layer dorsad second metal layer.Second drain electrode 274 of second switch element 270 is electrically connected
It is connected to pixel electrode 230.In the stage of display, touch control electrode 250 is multiplexed with public electrode and the shape between the pixel electrode 230
Into electric field.Similarly, the structure of pixel electrodes layer be equally applicable to touch-control display panel 200B described below, touch-control show
Show panel 200C or the stepped construction of other touch-control display panels.
The upright projection relation of each element on touch-control display panel 200 is described below according to Fig. 3, such upright projection is closed
It is applicable touch-control display panel 200A, touch-control display panel 200B, touch-control display panel 200C or other touch-control display panels
Stepped construction.
Specifically, each sub-pixel 240 includes viewing area 241 and non-display area 242.Viewing area 241 is each sub-pixel 240
Transparent area, non-display area 242 is the region in addition to viewing area 241.It is provided with the viewing area 241 of each sub-pixel 240
Pixel electrode 230.Second switch element 270 is provided with the non-display area 242 of each sub-pixel 240 (although illustrating second in figure
In the region of a sub-pixel 240, in some change case, second switch element 270 is in touch-control display surface for switch element 270
The upright projection of plate 200 is likely to be overlapped with the region of two neighboring sub-pixel 240).The viewing area 241 of sub-pixel 240 is located at
Between adjacent two second gate lines 212 (such as Fig. 3 the first rows sub-pixel), or the viewing area 241 of sub-pixel 240 is located at the
One gate line 211 and between any bar in 211 adjacent two second gate lines 212 of the first grid polar curve.For example, in Fig. 3
In-plane on, every first grid polar curve 211 have a upper adjacent second gate line 212 and under adjacent one second
Gate line 212.The viewing area 241 of Fig. 3 the second row sub-pixels be located at first grid polar curve 211 and with phase on the first grid polar curve 211
Between adjacent second gate line 212.In some change case, between two touch control electrodes 250 shown in Fig. 3 the first grid is provided with
Polar curve 211 and second gate line 212, first grid polar curve 211 on the in-plane of Fig. 3, under second gate line 212, then
The viewing area of the third line sub-pixel is located at first grid polar curve 211 and the second gate line 212 adjacent with the first grid polar curve 211
Between.
Further, the upright projection being sewn at quarter on touch-control display panel 200 for being formed between adjacent rows touch control electrode
It is least partially overlapped with the non-display area of adjacent rows sub-pixel.As shown in figure 3, along two adjacent touch control electrodes 250 of Y-direction
Between formed and carve seam 251, carve seam 251 least partially overlapped with the non-display area 242 of adjacent rows sub-pixel.Similarly, it is adjacent
The upright projection being sewn at quarter on touch-control display panel formed between two row touch control electrodes is non-display with adjacent two row sub-pixel
Area is least partially overlapped.Additionally, upright projection of the first switch element 260 on touch-control display panel 200 and sub-pixel 240
Non-display 242 overlap, and overlap with 251 upright projections on touch-control display panel 200 of seam are carved.Specifically, such as Fig. 3 institutes
Show, first switch element 260 also can be overlapping with second gate line 212 and first grid polar curve 211.The utility model is by above-mentioned each
The configuration of upright projection of the individual element on touch-control display panel 200, on the basis of first switch element 260 is arranged, to increase
Plus the light transmittance of touch-control display panel 200.
Another kind of stepped construction of touch-control display panel 200 is described with reference to Fig. 3 and Fig. 5.Fig. 5 is shown shown in Fig. 3
The sectional view of another kind of stepped construction of touch-control display panel.As shown in Fig. 3 and 5, touch-control display panel 200B also includes being located at
The first metal layer, second metal layer, the 3rd metal level between first substrate 201 and the place touch control electrode layer of touch control electrode 250
And semiconductor layer.
Similar with Fig. 4, the first metal layer includes a plurality of gate line and gate electrode.Gate electrode includes first gate electrode
262 and second grid electrode 272.A plurality of gate line extends in X direction.Gate line includes first grid polar curve 211 and second grid
Line 212.First grid polar curve 211 is located between adjacent rows touch control electrode 250.First grid polar curve 211 is used as signal end and first
The first gate electrode 262 of switch element 260 is electrically connected.A plurality of second grid is spaced between adjacent two first grid polar curves 211
Line 212.
Second metal layer is located between the first metal layer and touch control electrode layer 250.Second metal layer includes a plurality of data lines
221st, second the 273, second drain electrode of source electrode the 274, first source electrode 263 and the first drain electrode 264.A plurality of data lines 221 is prolonged along Y-direction
Stretch.A plurality of data lines 221 intersects to form the multiple sub-pixels 240 being arranged in a matrix with a plurality of second gate line 212.
3rd metal level is located between second metal layer and touch control electrode layer 250.3rd metal level includes touch-control lead
222.Touch-control lead 222 electrically connects for touch control electrode 250 to be connected to touch drive circuit with touch control electrode 250.A plurality of touch-control
Lead 222 is parallel with a plurality of data lines 221, and a plurality of data lines 221 is spaced between adjacent two touch-control leads 222.
Semiconductor layer includes the first semiconductor 261 and the second semiconductor 271.In the present embodiment, semiconductor layer is located at the
Between one metal level and first substrate 201.First semiconductor 261 is electrically connected with first the 263, first drain electrode 264 of source electrode.The second half
Conductor 271 is electrically connected with second the 273, second drain electrode 274 of source electrode.The second grid electrode 272 of second switch element 270 is electrically connected
To second gate line 212, the second source electrode 273 of second switch element 270 is electrically connected to data wire 221.
In the present embodiment, each touch control electrode 250 is connected to the first of first switch element 260 by the first via 251
Source electrode 263 (or first drain electrode 264), each touch control electrode 250 is connected to touch-control lead 222 by the second via 252.Due to this
In embodiment, the source electrode 263 of touch-control lead 222 and first and the first drain electrode 264 are located at different layers, the first via 251 and the second mistake
The depth in hole 252 is different.And first via 251 depth more than the second via 252 depth.In some change case, the 3rd
Metal level (including touch-control lead 222) is positioned at second metal layer (including the first source electrode 263 and the first drain electrode 264) and first substrate
Between 201, in such change case, the depth of above-mentioned first via 251 is less than the depth of the second via 252.
Another kind of stepped construction of touch-control display panel 200 is described with reference to Fig. 3 and Fig. 6.Fig. 6 is shown shown in Fig. 3
The sectional view of another kind of stepped construction of touch-control display panel.As shown in Fig. 3 and 6, touch-control display panel 200C also includes being located at
The first metal layer, second metal layer, the 3rd metal level between first substrate 201 and the place touch control electrode layer of touch control electrode 250
And semiconductor layer.
Similar with Fig. 4, the first metal layer includes a plurality of gate line and gate electrode.Gate electrode includes first gate electrode
262 and second grid electrode 272.A plurality of gate line extends in X direction.Gate line includes first grid polar curve 211 and second grid
Line 212.First grid polar curve 211 is located between adjacent rows touch control electrode 250.First grid polar curve 211 is used as signal end and first
The first gate electrode 262 of switch element 260 is electrically connected.A plurality of second grid is spaced between adjacent two first grid polar curves 211
Line 212.
Second metal layer is located between the first metal layer and touch control electrode layer 250.Second metal layer includes a plurality of data lines
221st, second the 273, second drain electrode 274 of source electrode.A plurality of data lines 221 extends along Y-direction.A plurality of data lines 221 and a plurality of second
Gate line 212 intersects to form the multiple sub-pixels 240 being arranged in a matrix.
3rd metal level is located between second metal layer and touch control electrode layer 250.3rd metal level includes touch-control lead
222nd, the first source electrode 263 and the first drain electrode 264.Touch-control lead 222 electrically connects to connect touch control electrode 250 with touch control electrode 250
It is connected to touch drive circuit.A plurality of touch-control lead 222 is parallel with a plurality of data lines 221, and between adjacent two touch-control leads 222
Interval a plurality of data lines 221.
Semiconductor layer includes the first semiconductor 261 and the second semiconductor 262.In the present embodiment, semiconductor layer is located at the
Between one metal level and first substrate 201.First semiconductor 261 is electrically connected with first the 263, first drain electrode 264 of source electrode.The second half
Conductor 271 is electrically connected with second the 273, second drain electrode 274 of source electrode.The second grid electrode 272 of second switch element 270 is electrically connected
To second gate line 212, the second source electrode 273 of second switch element 270 is electrically connected to data wire 221.
In the present embodiment, each touch control electrode 250 is connected to the first of first switch element 260 by the first via 251
Source electrode 263 (or first drain electrode 264), each touch control electrode 250 is connected to touch-control lead 222 by the second via 252.Due to this
In embodiment, the source electrode 263 of touch-control lead 222 and first and the first drain electrode 264 are located at same layer, the first via 251 and the second mistake
The depth in hole 252 is identical.
For the sake of clarity, the sectional view of Fig. 4 and Fig. 6 is on the projecting direction of Fig. 3 and discontinuous, but will be many in 3
The section at individual position is illustrated in a sectional view.Above-mentioned Fig. 4 and Fig. 6 are only to schematically show the utility model offer
The embodiment of three stepped constructions of touch-control display panel, the utility model is not so limited, such as first switch element
First source electrode, the first drain electrode can also be integrally formed with touch control electrode layer.Those skilled in the art can also realize more changes
Change mode, will not be described here.
Fig. 7 shows the schematic diagram of the touch-control display panel 300A according to another embodiment of the utility model.In order to clear
For the sake of, Fig. 7 only illustrates multiple touch control electrodes 350 of touch-control display panel 300A, multiple first switch elements 360 and a plurality of first
Gate line 311.
In the present embodiment, the N article first grid polar curve 311 be set between Nth row and N+1 row touch control electrodes, the N article
One gate line 311 is electrically connected to：In the first switch element 360 of connection Nth row or N+1 row touch control electrodes, in X direction
The first gate electrode of the first switch element 360 of two adjacent touch control electrodes 350 of (line direction of matrix)；And connection the
In the first switch element 360 of N rows and N+1 row touch control electrodes, along two adjacent touch-control electricity of Y-direction (matrix column direction)
The first gate electrode of the first switch element 360 of pole 350.Additionally, the first row touch control electrode or M rows touch control electrode away from
The side of touch control electrode matrix also sets up a first grid polar curve 311, and the first grid polar curve 311 is electrically connected to connection the first row
Or in the first switch element 360 of M row touch control electrodes, the first switch of two adjacent in X direction touch control electrodes 350 is first
The first gate electrode of part 360.Wherein, M is the line number of touch control electrode 350, and M is the integer more than or equal to 1, and N is more than or equal to 1
Integer less than M.
Specifically, as shown in fig. 7, arranging the 1st article of first grid polar curve 311 between the 1st row and the 2nd row touch control electrode.1st
Bar first grid polar curve 311 is electrically connected to：In connecting the first switch element 360 of the 1st row touch control electrode, (the row of matrix in X direction
Direction) adjacent two touch control electrodes 350 first switch element 360 first gate electrode；And connection the 1st row and the 2nd
In the first switch element 360 of row touch control electrode, along the of two adjacent touch control electrodes 350 of Y-direction (matrix column direction)
The first gate electrode of one switch element 360.2nd article of first grid polar curve 311 is set between the 2nd row and the 3rd row touch control electrode.The
2 first grid polar curve 311 is electrically connected to：In connecting the first switch element 360 of the 2nd row touch control electrode, in X direction (matrix
Line direction) adjacent two touch control electrodes 350 first switch element 360 first gate electrode；And the 2nd row of connection and the
In the first switch element 360 of 3 row touch control electrodes, along the of two adjacent touch control electrodes 350 of Y-direction (matrix column direction)
The first gate electrode of one switch element 360.3rd article of first grid polar curve 311 is set between the 3rd row and the 4th row touch control electrode.The
3 first grid polar curve 311 is electrically connected to：In connecting the first switch element 360 of the 3rd row touch control electrode, in X direction (matrix
Line direction) adjacent two touch control electrodes 350 first switch element 360 first gate electrode；And the 3rd row of connection and the
In the first switch element 360 of 4 row touch control electrodes, along the of two adjacent touch control electrodes 350 of Y-direction (matrix column direction)
The first gate electrode of one switch element 360.Additionally, the 4th row touch control electrode also sets up one away from the side of touch control electrode matrix
Article first grid polar curve 311 (the 4th article of first grid polar curve 311), this article of first grid polar curve 311 is electrically connected to connection the 4th row touch-control electricity
In the first switch element 360 of pole, the first grid of the first switch element 360 of adjacent in X direction two touch control electrodes 350
Electrode.
In some change case, the 1st article of first grid polar curve 311 is set between the 1st row and the 2nd row touch control electrode.1st article
One gate line 311 is electrically connected to：In connecting the first switch element 360 of the 2nd row touch control electrode, (the row side of matrix in X direction
To) first gate electrode of the first switch element 360 of adjacent two touch control electrodes 350；And the 1st row of connection and the 2nd row
In the first switch element 360 of touch control electrode, along the first of two adjacent touch control electrodes 350 of Y-direction (matrix column direction)
The first gate electrode of switch element 360.Similarly, the 2nd article of first grid polar curve 311 and the 3rd article of first grid polar curve 311 are set.
In such change case, the 1st row touch control electrode also sets up one article of first grid polar curve 311 away from the side of touch control electrode matrix
(the 0th article of first grid polar curve 311), this article of first grid polar curve 311 is electrically connected to the first switch element of the 1st row touch control electrode of connection
In 360, the first gate electrode of the first switch element 360 of adjacent in X direction two touch control electrodes 350.
Fig. 8 shows the schematic diagram of the touch-control display panel 300B according to the another embodiment of the utility model.In order to clear
For the sake of, Fig. 8 only illustrates multiple touch control electrodes 350 of touch-control display panel 300B, multiple first switch elements 360 and a plurality of first
Gate line 311.
In the present embodiment, the N article first grid polar curve 311, N+1 rows are set between Nth row and N+1 row touch control electrodes
The N+1 article first grid polar curve 311 is set and N+2 row touch control electrodes between.The N article first grid polar curve 311 is electrically connected to：Connection
In the first switch element 360 of Nth row touch control electrode, two adjacent touch control electrodes 350 of (line direction of matrix) in X direction
The first gate electrode of first switch element 360；In connecting the first switch element 360 of N+1 row touch control electrodes, in X direction
The first gate electrode of the first switch element 360 of two adjacent touch control electrodes 350；And connection Nth row and N+1 rows are touched
In the first switch element 360 of control electrode, along the of two adjacent touch control electrodes 350 of Y-direction (matrix column direction)
The first gate electrode of one switch element 360.The N+1 article first grid polar curve 311 is electrically connected to：Connect N+1 rows and N+2 rows
In the first switch element 360 of touch control electrode, along the of the first switch element 360 of two adjacent touch control electrodes 350 of Y-direction
One gate electrode.Wherein, N is the integer more than or equal to 1.In certain embodiments, odd-numbered first grid polar curve 311 presses N
The connected mode connection of bar first grid polar curve 311, and even-numbered first grid polar curve 311 is by the N+1 article first grid polar curve 311
Connected mode connects.In having some embodiments, even-numbered first grid polar curve 311 presses the connection of the N article first grid polar curve 311
Mode connects, and odd-numbered first grid polar curve 311 is by the connected mode connection of the N+1 article first grid polar curve 311.
Specifically, as shown in figure 8, arranging the 1st article of first grid polar curve 311 between the 1st row and the 2nd row touch control electrode.1st
Bar first grid polar curve 311 is electrically connected to：In connecting the first switch element 360 of the 1st row touch control electrode, in X direction adjacent two
The first gate electrode of the first switch element 360 of individual touch control electrode 350；Connect the first switch element of the 2nd row touch control electrode
In 360, the first gate electrode of the first switch element 360 of adjacent in X direction two touch control electrodes 350；And connection the 1st
In the first switch element 360 of row and the 2nd row touch control electrode, along the first switch unit of two adjacent touch control electrodes 350 of Y-direction
The first gate electrode of part 360.2nd article of first grid polar curve 311 is set between the 2nd row and the 3rd row touch control electrode.2nd article first
Gate line 311 is electrically connected to：In connecting the first switch element 360 of the 2nd row and the 3rd row touch control electrode, along Y-direction it is adjacent two
The first gate electrode of the first switch element 360 of individual touch control electrode 350.The 3rd is arranged between 3rd row and the 4th row touch control electrode
Bar first grid polar curve 311.3rd article first grid polar curve 311 is electrically connected to：Connect the first switch element 360 of the 3rd row touch control electrode
In, the first gate electrode of the first switch element 360 of adjacent in X direction two touch control electrodes 350；Connect the 4th row touch-control
In the first switch element 360 of electrode, the first grid of the first switch element 360 of adjacent in X direction two touch control electrodes 350
Pole electrode；And in the first switch element 360 of the 3rd row of connection and the 4th row touch control electrode, along two adjacent touch-controls of Y-direction
The first gate electrode of the first switch element 360 of electrode 350.
Fig. 7 and Fig. 8 are only to schematically show the utility model to provide two kinds of touch control electrodes 350, first switch elements
360 and the connected mode of first grid polar curve 311, the utility model is not so limited, and those skilled in the art can also realize
More connected modes, will not be described here.
Referring to Fig. 9, Fig. 9 shows the sectional view of the touch-control display panel according to the utility model another embodiment.
Touch-control display panel 400 includes first substrate 410 (including being arranged on first substrate 201 in such as Fig. 4 to Fig. 6 any embodiments
Each element), second substrate 420 and liquid crystal material 430.Second substrate 420 is optionally color membrane substrates, with first substrate 410
Relatively.Touch control electrode layer is located between first substrate 410 and second substrate 420.Liquid crystal material 430 is filled in first substrate 410
And second substrate 420 between.Alternatively, liquid crystal material 430 is negative liquid crystal material.Due to negative liquid crystal material ion concentration compared with
Height, electric field difference affects larger to negative liquid crystal material.The utility model reduces electric field unnecessary between adjacent touch electrode, right
Using negative liquid crystal material touch-control display panel produced by leakage problem improvement it is particularly evident.
Above-mentioned each accompanying drawing is only the touch-control display panel for schematically showing the utility model offer.Rise in order to clear
See, the component shape, number of elements and clipped element in the above-mentioned each figure of simplification, those skilled in the art can be according to reality
Demand is changed, and these changes will not be described here all in protection domain of the present utility model.
Compared with prior art, the utility model is electric by least two adjacent touch-controls by the setting of first switch element
Pole connects, and controls first switch element in the conducting of the stage of display by a signal end, disconnects in the touch-control stage so that each is touched
Control electrode is connected with each other in the display stage, separate in the touch-control stage, prevents from forming unnecessary electricity between touch control electrode with this
, improve touch-control display panel and show leakage problem, and then improve the display effect of touch-control display panel.
More than it is particularly shown and described illustrative embodiments of the present utility model.It should be understood that the utility model
Be not limited to disclosed embodiment, conversely, the utility model be intended to cover it is various comprising within the scope of the appended claims
Modification and equivalent replacement.
Claims (18)
1. a kind of touch-control display panel, it is characterised in that include：
First substrate：
Touch control electrode layer, on the first substrate, including multiple touch control electrodes for being multiplexed with public electrode, it is the plurality of to touch
Control electrode is arranged in a matrix；
Multiple first switch elements, on the first substrate, the control pole of each first switch element is connected to same
Signal end, first pole and the second pole of each first switch element connect respectively two adjacent touch control electrodes so that at least
Two adjacent touch control electrodes are connected by the first switch element, and the signal end controls the first switch element
In the conducting of the stage of display, disconnect in the touch-control stage；And
Multiple second switch elements, on the first substrate, each second switch element controls the touch-control display surface
Plate is shown.
2. touch-control display panel as claimed in claim 1, it is characterised in that the first switch element shows in the touch-control
The upright projection of panel is located at two adjacent touch control electrodes between the upright projection of the touch-control display panel.
3. touch-control display panel as claimed in claim 1, it is characterised in that：
Any two is electrically connected along the adjacent touch control electrode of the line direction of matrix by the first switch element；And/or
Any two is electrically connected along the adjacent touch control electrode in matrix column direction by the first switch element.
4. touch-control display panel as claimed in claim 1, it is characterised in that the first switch element and the second switch
Element is thin film transistor (TFT),
Wherein, the control extremely first gate electrode of the first switch element, the first pole of the first switch element and
Two poles are respectively the first source electrode, the first drain electrode, and first drain electrode and first source electrode are adjacent with two described tactile respectively
Control electrode connection, and the first semiconductor electrically connected with the described first drain electrode and first source electrode；
The second switch element includes second grid electrode, the second source electrode and the second drain electrode and second source electrode and described
Second semiconductor of the second drain electrode electrical connection.
5. touch-control display panel as claimed in claim 4, it is characterised in that also include：
The first metal layer, between the first substrate and the touch control electrode layer, including a plurality of gate line and gate electrode,
The a plurality of gate line extends along the line direction of the matrix, and the gate electrode includes the first gate electrode and described the
Two gate electrodes；Second metal layer, between the first metal layer and the touch control electrode layer, including a plurality of data lines,
Second source electrode and second drain electrode, a plurality of data wire extends along the matrix column direction, and
Semiconductor layer, including first semiconductor and second semiconductor.
6. touch-control display panel as claimed in claim 5, it is characterised in that the second metal layer also includes first source
Pole, first drain electrode and a plurality of touch-control lead, the touch-control lead is electrically connected so that the touch-control is electric with the touch control electrode
Pole is connected to touch drive circuit.
7. touch-control display panel as claimed in claim 5, it is characterised in that also include：
3rd metal level, between the second metal layer and the touch control electrode layer, including a plurality of touch-control lead, a plurality of institute
State touch-control lead to extend along the matrix column direction, the touch-control lead is electrically connected with by the touch-control with the touch control electrode
Electrode is connected to touch drive circuit.
8. touch-control display panel as claimed in claim 7, it is characterised in that
The second metal layer also includes first source electrode and first drain electrode；Or
3rd metal level also includes first source electrode and first drain electrode.
9. the touch-control display panel as described in any one of claim 6 to 8, it is characterised in that each touch control electrode is by the
One via is connected to first source electrode of the first switch element or first drain electrode, and each touch control electrode passes through
Second via is connected to the touch-control lead, wherein,
The touch-control lead, first source electrode and first drain electrode are located at same layer, first via and the second via
Depth it is identical；Or
The touch-control lead, first source electrode and first drain electrode are located at different layers, the depth of first via and institute
The depth for stating the second via is different.
10. touch-control display panel as claimed in claim 5, it is characterised in that also include：
Pixel electrode layer, including multiple pixel electrodes, the second source electrode of the second switch element is electrically connected to the data wire,
Second drain electrode of the second switch element is electrically connected to the pixel electrode.
11. touch-control display panels as claimed in claim 5, it is characterised in that the gate line includes：
First grid polar curve, positioned between touch control electrode, the first grid polar curve is used as the signal end and institute described in adjacent rows
State the first gate electrode electrical connection of first switch element；
Second gate line, is spaced a plurality of second gate line between adjacent two first grid polar curves, and a plurality of described second
Gate line intersects to form the multiple sub-pixels being arranged in a matrix with a plurality of data wire.
12. touch-control display panels as claimed in claim 11, it is characterised in that
First grid polar curve described in the N article is set between Nth row and N+1 row touch control electrodes, and first grid polar curve is electrically connected described in the N article
It is connected to：
In the first switch element of connection Nth row or N+1 row touch control electrodes, the line direction along the matrix is adjacent
The first gate electrode of the first switch element of two touch control electrodes；And
Connection Nth row and N+1 row touch control electrodes the first switch element in, along the matrix column direction it is adjacent two
The first gate electrode of the first switch element of individual touch control electrode, the first row touch control electrode or M rows touch control electrode are away from tactile
The side of control electrode matrix also sets up a first grid polar curve, the first grid polar curve be electrically connected to connection the first row or
In the first switch element of M row touch control electrodes, along the first of two adjacent touch control electrodes of the line direction of the matrix
The first gate electrode of switch element,
Wherein, M is the line number of the touch control electrode, and M is the integer more than or equal to 1, and N is the integer more than or equal to 1 less than M.
13. touch-control display panels as claimed in claim 11, it is characterised in that
First grid polar curve described in the N article, N+1 rows and N+2 rows touch-control electricity are set between Nth row and N+1 row touch control electrodes
First grid polar curve described in the N+1 article is set between pole, wherein,
First grid polar curve is electrically connected to described in the N article：
In the first switch element of connection Nth row touch control electrode, along two adjacent touch-control electricity of the line direction of the matrix
The first gate electrode of the first switch element of pole；
In connecting the first switch element of N+1 row touch control electrodes, along two adjacent touch-controls of the line direction of the matrix
The first gate electrode of the first switch element of electrode；And
Connection Nth row and N+1 row touch control electrodes the first switch element in, along the matrix column direction it is adjacent two
The first gate electrode of the first switch element of individual touch control electrode, first grid polar curve is electrically connected to described in the N+1 article：
It is adjacent along the matrix column direction in connecting the first switch element of N+1 rows and N+2 row touch control electrodes
The first gate electrode of the first switch element of two touch control electrodes, wherein, even-numbered first grid polar curve and odd-numbered
One gate line is opened respectively by the electric connection mode and described first of above-mentioned the N article first grid polar curve and the N+1 article first grid polar curve
Element and touch control electrode electrical connection are closed, N is the integer more than or equal to 1.
14. touch-control display panels as claimed in claim 11, it is characterised in that each sub-pixel includes viewing area and non-aobvious
Show area, the pixel electrode is provided with the viewing area, the second switch element is provided with the non-display area, its
In,
The viewing area of the sub-pixel is located between adjacent two second gate lines, or positioned at the first grid polar curve and
Between any bar in two second gate lines adjacent with the first grid polar curve.
15. touch-control display panels as claimed in claim 14, it is characterised in that
The upright projection being sewn at quarter on the touch-control display panel formed between adjacent rows touch control electrode and adjacent rows
The non-display area of pixel is least partially overlapped；
The upright projection being sewn at quarter on the touch-control display panel formed between adjacent two row touch control electrode and adjacent two row
The non-display area of pixel is least partially overlapped,
Upright projection of the first switch element on the touch-control display panel is overlapped with the non-display area of the sub-pixel,
And the upright projection being sewn on the quarter on the touch-control display panel is overlapped.
16. touch-control display panels as claimed in claim 1, it is characterised in that also include：
Second substrate, relative with the first substrate, the touch control electrode layer is located at the first substrate and the second substrate
Between；
Liquid crystal material, is filled between the first substrate and second substrate.
17. touch-control display panels as claimed in claim 16, it is characterised in that the liquid crystal material is negative liquid crystal material.
18. touch-control display panels as claimed in claim 4, it is characterised in that first source electrode, first drain electrode and institute
State the integrally formed of touch control electrode layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263484.XU CN206178760U (en) | 2016-11-24 | 2016-11-24 | Touch display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263484.XU CN206178760U (en) | 2016-11-24 | 2016-11-24 | Touch display panel |
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| Publication Number | Publication Date |
|---|---|
| CN206178760U true CN206178760U (en) | 2017-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919380A (en) * | 2017-11-24 | 2018-04-17 | 武汉华星光电半导体显示技术有限公司 | A kind of production method of flexible touching display screen |
-
2016
- 2016-11-24 CN CN201621263484.XU patent/CN206178760U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919380A (en) * | 2017-11-24 | 2018-04-17 | 武汉华星光电半导体显示技术有限公司 | A kind of production method of flexible touching display screen |
| WO2019100523A1 (en) * | 2017-11-24 | 2019-05-31 | 武汉华星光电半导体显示技术有限公司 | Method for fabricating flexible touch control display screen |
| CN107919380B (en) * | 2017-11-24 | 2020-03-27 | 武汉华星光电半导体显示技术有限公司 | Manufacturing method of flexible touch display screen |
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