CN105739768A - Touch display panel and touch display equipment - Google Patents
Touch display panel and touch display equipment Download PDFInfo
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- CN105739768A CN105739768A CN201610063874.0A CN201610063874A CN105739768A CN 105739768 A CN105739768 A CN 105739768A CN 201610063874 A CN201610063874 A CN 201610063874A CN 105739768 A CN105739768 A CN 105739768A
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- 238000001514 detection method Methods 0.000 claims abstract description 73
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000010409 thin film Substances 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 24
- 230000003068 static effect Effects 0.000 claims description 24
- 239000010408 film Substances 0.000 claims description 23
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- 230000005540 biological transmission Effects 0.000 claims description 5
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- 238000005516 engineering process Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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Abstract
The invention provides a touch display panel. The touch display panel is characterized by comprising a substrate, a public electrode layer and an electrode detection unit, wherein the substrate comprises a display area and non-display areas which are arranged on the upper and lower sides of the display area; the public electrode layer is arranged on the substrate; the public electrode layer is divided into a plurality of first electrodes which extend along a first direction and are arranged in parallel along a second direction; the first direction is intersected with the second direction; the first electrodes comprise a plurality of first sub-electrodes and a plurality of second sub-electrodes; the first sub-electrodes and the second sub-electrodes are arranged at intervals in sequence; the electrode detection unit is arranged in the non-display area on the upper side of the display area; and the electrode detection unit is used for transmitting different public voltage signals to the first sub-electrodes and the second sub-electrodes so as to detect the first sub-electrodes and the second sub-electrodes.
Description
Technical field
The present invention relates to touch-control display field, especially relates to a kind of touch-control display panel with detection structure and touch control display device.
Background technology
Touch display panel inputs medium as one, is current a kind of man-machine interaction mode, and therefore, touch is shown that function is integrated in liquid crystal display by increasing product.Being illustrated in figure 1 the structural representation of touch-control display panel 100 of the prior art, wherein, substrate 101 includes a plurality of D1 in the first direction and extends and the first electrode 103 of D2 parallel arrangement in a second direction, and first direction D1 intersects with second direction D2.Wherein, the first electrode 103 can be the touch-control drive electrode that the touch-control receiving and coming from integrated circuit conveying drives signal, meanwhile, detects position of touch by corresponding touch detection electrodes.Therefore, the quality of the first electrode, directly influence touch accuracy and the touch-control effect of whole touch-control display panel.
Summary of the invention
In view of this, the present invention provides a kind of touch-control display panel, it is characterised in that including: substrate, and described substrate includes viewing area and is arranged at the non-display area of the upper side and lower side, described viewing area；Being arranged at the common electrode layer on described substrate, described common electrode layer is divided into multiple extending in a first direction and the first electrode of parallel arrangement in a second direction, and described first direction intersects with described second direction；Described first electrode includes multiple first sub-electrode and multiple second sub-electrode, described first sub-electrode and described second sub-electrode and is intervally arranged successively；Electrode detection unit, it is arranged at the non-display area on the upside of described viewing area, described electrode detection unit transmits different size of public voltage signal to described first sub-electrode and described second sub-electrode, to realize the detection to described first sub-electrode and described second sub-electrode.
On the other hand, the present invention also provides for a kind of touch control display device, it is characterised in that include aforementioned described touch-control display panel.
By adopting touch-control display panel and the touch control display device of embodiment of the present invention offer, touch-control display panel and touch control display device are provided with electrode detection unit, this electrode detection unit is arranged in the non-display area on the upside of touch-control display panel viewing area, when not affecting narrow frame, this electrode detection unit can realize the detection of touch control electrode in viewing area.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of touch-control display panel in prior art；
The structural representation of the touch-control display panel that Fig. 2 provides for the embodiment of the present invention；
The structural representation of another touch-control display panel that Fig. 3 provides for the embodiment of the present invention；
The structural representation of another touch-control display panel that Fig. 4 provides for the embodiment of the present invention；
The structural representation of another touch-control display panel that Fig. 5 provides for the embodiment of the present invention；
Fig. 6 is a kind of touch control display device that the embodiment of the present invention proposes.
Detailed description of the invention
In order to the technology contents of the present invention is explained in greater detail; especially exemplified by specific embodiment and coordinate appended by illustrate as follows; but the following drawings and detailed description of the invention are not limitation of the present invention; any art has usually intellectual; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
The structural representation of the touch-control display panel that Fig. 2 provides for the embodiment of the present invention, touch-control display panel 200 includes: substrate 201, and substrate 201 includes viewing area 203 and is arranged at the non-display area 205 of the upper side and lower side, viewing area 203；Being arranged at the common electrode layer on substrate 201, common electrode layer is divided into multiple D1 in the first direction and extends and the first electrode 207 of D2 parallel arrangement in a second direction, and first direction D1 intersects with second direction D2；First electrode 207 includes multiple first sub-electrode 2071 and multiple second sub-electrode 2072, and the first sub-electrode 2071 and the second sub-electrode 2072 are intervally arranged successively；Electrode detection unit 211, it is arranged at the non-display area 205 on the upside of viewing area 203, the public voltage signal of different magnitude of voltage size can be transmitted to the first sub-electrode 2071 and the second sub-electrode 2072, to realize the detection to the first sub-electrode and the second sub-electrode by electrode detection unit 211.
nullSpecifically，Substrate 201 also includes integrated circuit 209，Integrated circuit 209 is arranged on the non-display area 205 on the downside of viewing area 203，When the first sub-electrode 2071 and the second sub-electrode 2072 are detected，By integrated circuit 209 to all data wires (the known general knowledge on whole substrate 201，And it is unrelated with technical scheme，Therefore do not provide in the drawings) all transmit the voltage signal of formed objects，Therefore，Whole pixel cells (the known general knowledge on whole substrate 201 being electrically connected with data wire，And it is unrelated with technical scheme，Therefore do not provide in the drawings) pixel electrode all receive identical voltage signal，In such cases，Transmitted the constant voltage signal role of touch-control display panel public electrode under the normal display stage (the first sub-electrode 2071 and second sub-electrode 2072 play in the present embodiment) of different magnitude of voltage size to the first sub-electrode 2071 and the second sub-electrode 2072 by electrode detection unit 211，And owing to the first sub-electrode 2071 and the second sub-electrode 2072 are sequentially arranged at intervals，Therefore，If the first electrode 207 of whole touch-control display panel does not have defective words，From the whole touch-control display panel 200 lighted，On picture, the gray-scale intensity of all first sub-electrode 2071 displays is all identical、The gray-scale intensity of all second sub-electrode 2072 displays is also all identical，And the first sub-electrode 2071 of arbitrary neighborhood and the second sub-electrode 2072 show the pattern of different gray-scale intensity.If owing to the problem in processing technology, any one first sub-electrode 2071 or the second sub-electrode 2072 are short-circuited, first sub-electrode 2071 of such as arbitrary neighborhood and the second sub-electrode 2072 are by together with " short circuit ", so by the design of the embodiment of the present invention, after by whole touch-control display panel 200 " being lighted ", seemed from display image by " short circuit " first sub-electrode 2071 together and the second sub-electrode 2072, its gray-scale intensity is inconsistent with other normal (" short circuit " does not occur) first sub-electrode 2071 and the second sub-electrode 2072, therefore can judge that this electrode there occurs short circuit easily, prove that this product is bad product；Same, if any one in the first sub-electrode 2071 or the second sub-electrode 2072 there occurs open circuit due to the problem of processing technology, so by the design of the embodiment of the present invention, after whole touch-control display panel 200 is lit, region corresponding to first sub-electrode 2071 of generation open circuit or the second sub-electrode 2072 seems to produce any image or brightness from image, therefore can be determined that open circuit occurs for the first sub-electrode 2071 of this corresponding region or the second sub-electrode 2072, this product is bad.
nullIt should be noted that，In the embodiment depicted in figure 2，Electrode detection unit 211 is arranged in the non-display area 205 on the upside of viewing area 203，And be not in the non-display area 205 on the downside of viewing area 203，The useful benefit of this design has two: first，Non-display area 205 on the downside of viewing area 203 is generally the binding region of integrated circuit 209，Owing in the binding region of integrated circuit 209, space is minimum，And the load capacitance on stripe type first electrodes 207 is very big，If electrode detection unit 211 is designed the binding region at integrated circuit 209，It is very big that electrode detection unit 211 cannot do，Therefore (driving force of detection device depends on the size of detection device to exist for the not enough risk of driving force，Size is more big，Driving force is more strong)，If electrode detection unit is produced on this region，The thin film transistor (TFT) of enough driving forces cannot be produced in limited space，And then，Affect Detection results；If it addition, electrode detection unit 211 designs in the lower section of integrated circuit 209, it is likely to produce impact on the electrode detection unit 211 of integrated circuit 209 itself；Secondly, if electrode detection unit 211 is placed on the non-display area 205 on the downside of viewing area 203, optionally, being placed on the region between integrated circuit 209 and stripe type first electrodes 207, this will take fanout routing region, be unfavorable for narrow frame design.
Therefore, analysis based on above defect situation not of the same race, by adopting the design in the embodiment of the present invention, touch-control display panel arranges electrode detection unit, this electrode detection unit is arranged in the non-display area on the upside of touch-control display panel viewing area, when not affecting narrow frame, this electrode detection unit can realize the detection of touch control electrode in viewing area.
nullIt can further be stated that，" lighting " described in embodiments of the present invention，Namely the scheme carried in the embodiment of the present invention: by from outside (before unbound integrated circuit) or by integrated circuit (after binding integrated circuit) to all gate lines (the known general knowledge on whole substrate，Figure does not provide) input a constant voltage，By pixel (the known general knowledge of each row，Figure does not provide) all open，Simultaneously from outside (before unbound integrated circuit) or by integrated circuit (after binding integrated circuit) to all data wires (known general knowledge，Figure does not provide) input identical constant voltage，The data wire on all substrates 201 is made all to receive identical voltage signal，This pixel electrode being equivalent to described pixel cell all have received identical voltage signal，Transmit the signal of different voltage swing to all first sub-electrodes 2071 and all second sub-electrodes 2072 again through electrode detection unit 211.
By adopting the touch-control display panel that the embodiment of the present invention provides as shown in Figure 2, touch-control display panel is provided with electrode detection unit, this electrode detection unit is arranged in the non-display area on the upside of touch-control display panel viewing area, when not affecting narrow frame, this electrode detection unit can realize the detection of touch control electrode in viewing area.
It can further be stated that, for embodiment illustrated in fig. 1, first electrode 207 electrically connects with integrated circuit 209, in the display stage, first electrode 207 receives the common signal of integrated circuit transmission, thus performing the image display function of touch-control display panel, integrated circuit 209 is located at the non-display area 205 on the downside of described viewing area 203.
It can further be stated that, for embodiment illustrated in fig. 2, electrode detection unit 211 includes: first input end and the second input (not providing in figure), and first input end is unified to be electrically connected with the first sub-electrode 2071, and the second input is unified to be electrically connected with the second sub-electrode 2072.Different size of voltage signal is inputted to the first sub-electrode 2071 and the second sub-electrode 2072 respectively by first input end and the second input, during to realize touch-control display panel 200 is detected, in touch-control display panel 200, region corresponding to adjacent first sub-electrode 2071 and the second sub-electrode 2072 shows the pattern of different gray-scale intensity respectively.
Also, it should be noted for embodiment illustrated in fig. 2, electrode detection unit 211 also includes switch element (not providing in figure), switch element is used for controlling whether to the first sub-electrode 2071 and the second sub-electrode 2072 transmitting telecommunication number.So the benefit of design is, one end electrode electrically connected detection unit 211 due to the first electrode 207, other end electrical connection integrated circuit 209, need to carry out detection and display timesharing, specifically, when first electrode 207 detects in viewing area 203, to pass through electrode detection unit 211 and transmit different size of voltage signal to the first sub-electrode 2071 and the second sub-electrode 2072 simultaneously, now integrated circuit 209 does not transmit public voltage signal to the first electrode 207, but to the gate line on substrate 201 and data line transfer signal；When touch-control display panel 200 performs to show function normally, electrode detection unit 211 is controlled by switch element, close from first input end to the path of the first sub-electrode 2071, close from the second input to the path of the second sub-electrode 2072, the i.e. electrode detection unit 211 control by switch element, not to the first sub-electrode 2071 and the second sub-electrode 2072 transmitting telecommunication number, now, integrated circuit 209, to the first sub-electrode 2071 public voltage signal identical with the second sub-electrode 2072 uniform transmission, performs to show function normally.
The structural representation of another touch-control display panel that Fig. 3 provides for the embodiment of the present invention, with Fig. 2 corresponding to similarity in embodiment and foregoing teachings, repeat no more herein, only describe difference, particular content is referred to foregoing teachings.In the structure of touch-control display panel shown in Fig. 3, electrode detection unit 311 includes first input end 3111 and the second input 3112, first input end 3111 is unified to be electrically connected with the first sub-electrode 3071, and the second input 3112 is unified to be electrically connected with the second sub-electrode 3072.Electrode detection unit 311 also includes the 3rd input 3113 and multiple the first film transistor 3211 and multiple second thin film transistor (TFT) 3212.Wherein, the grid of the first film transistor 3211 and the second thin film transistor (TFT) 3212 all electrically connects with the 3rd input 3113, first pole of multiple the first film transistors 3211 electrically connects with multiple first sub-electrode 3071 one_to_one corresponding electricity, and the second of multiple the first film transistors 3211 is extremely unified to be electrically connected with first input end 3113；First pole of multiple second thin film transistor (TFT)s 3212 electrically connects with multiple second sub-electrode 3072 one_to_one corresponding, and the second of multiple second thin film transistor (TFT)s 3212 is extremely unified to be electrically connected with the second input 3112.
For array base palte 301, except a plurality of first electrode 307 given in embodiment corresponding to Fig. 3, also have a plurality of D1 in the first direction to extend and the data wire of D2 parallel arrangement in a second direction is not (because being the inventive point of the present invention, so being not drawn into), and a plurality of D2 in a second direction extends and the gate line of D1 parallel arrangement in the first direction is not (because being the inventive point of the present invention, so being not drawn into), the region that gate line and data wire intersect define one by one pixel cell (because not being the inventive point of the present invention, so being not drawn into), gated sweep signal is transmitted by grid alignment pixel cell, to control being turned on and off of pixel cell；Data signal is transmitted, to control the luminosity of pixel cell by data alignment pixel cell.nullBy inputting necessarily constant voltage from outside (before unbound integrated circuit) or integrated circuit 309 (after binding integrated circuit) to all gate lines，The pixel of each row is all opened，Input a constant voltage from outside (before unbound integrated circuit) or integrated circuit 309 (after binding integrated circuit) to all data wires simultaneously，All of data wire on substrate 301 is made all to receive identical voltage signal，A constant high level signal or low level signal is now inputted again through the 3rd input 3113，Multiple the first film transistors 3211 and multiple second thin film transistor (TFT) 3212 are opened，Two kinds of unequal voltage signals are inputted to multiple the first film transistors 3211 and multiple second thin film transistor (TFT) 3212 respectively again respectively through first input end 3111 and the second input 3112，Therefore，These two kinds of unequal voltages are transmitted separately to the first sub-electrode 3071 and the second sub-electrode 3072 by multiple the first film transistors 3211 and multiple second thin film transistor (TFT) 3212.Owing to all data wires on substrate 301 all receive identical voltage signal, and first sub-electrode 3071 of arbitrary neighborhood and the second sub-electrode 3072 all receive different voltage signals on substrate 301, so from the touch-control display panel 300 of whole " lighting ", on picture, also all identical and adjacent first sub-electrode 3071 of gray-scale intensity of the gray-scale intensity of all first sub-electrodes 3071 displays the second sub-electrode 3072 display all identical, all and the second sub-electrode 3072 should show the pattern of different gray-scale intensity.If owing to problem in processing technology is for any one first sub-electrode 3071 or second sub-electrode 3072 in the case of of being short-circuited, first sub-electrode 3071 of such as arbitrary neighborhood and the second sub-electrode 3072 are by together with " short circuit ", so by the design of the embodiment of the present invention, after whole touch-control display panel 300 is lighted, from image, seemed that its gray-scale intensity is inconsistent with other normal first sub-electrode 3071 and the second sub-electrode 3072 by " short circuit " first sub-electrode 3071 together and the second sub-electrode 3072, therefore can judge that this electrode there occurs short circuit easily, prove that this product is bad product；Same, if any one in the first sub-electrode 3071 or the second sub-electrode 3072 there occurs the situation of open circuit due to the problem of processing technology, so by the design of the embodiment of the present invention, after whole touch-control display panel 300 is lighted, region corresponding to first sub-electrode 3071 of generation open circuit or the second sub-electrode 3072 seems to produce any image or brightness from image, therefore can be determined that open circuit occurs for the first sub-electrode 3071 of this corresponding region or the second sub-electrode 3072, this product is bad.
It should be noted that, in the embodiment shown in fig. 3, electrode detection unit 311 is arranged in the non-display area 305 on the upside of viewing area 303, and be not in the non-display area 305 on the downside of viewing area 303, the useful benefit of this design has two: first, non-display area 305 on the downside of viewing area 303 is generally the binding region of integrated circuit 309, owing in the binding region of integrated circuit 309, space is minimum, and the load capacitance on stripe type first electrodes 307 is very big, if electrode detection unit 311 is designed the binding region at integrated circuit 309, it is very big that electrode detection unit 311 cannot do, therefore the risk that driving force is not enough is existed for.If electrode detection unit is produced on this region, it is impossible to produce the thin film transistor (TFT) of enough driving forces in limited space, and then affect Detection results；If it addition, electrode detection unit 311 designs in the lower section of integrated circuit 309, it is likely to produce impact on the electrode detection unit 311 of integrated circuit 309 itself；Secondly, if electrode detection unit 311 is placed on the non-display area 305 on the downside of viewing area 303, optionally, being placed on the region between integrated circuit 309 and stripe type first electrodes 307, this will take fanout routing region, be unfavorable for narrow frame design.
For embodiment illustrated in fig. 3, viewing area 303 includes multiple pixel cell (known general knowledge, do not provide in figure) in array distribution, and each pixel cell includes at least one film crystal pipe unit (known general knowledge, do not provide in figure).It is known that weigh the channel width-over-length ratio that principal element is thin film transistor (TFT) of thin film transistor (TFT) size and driving force, channel width-over-length ratio is more big, and the size of thin film transistor (TFT) is more big, and the driving force of thin film transistor (TFT) is more strong.In preceding embodiment it have been mentioned that, the driving force of stripe type first electrodes 307 in viewing area is driven in order to meet, do not affect the area of non-display area (rim area) on the upside of viewing area simultaneously, optionally, being arranged in the channel width of the included multiple the first film transistors 3211 of electrode detection unit on the upside of viewing area 303 311 is in viewing area 303 10 to 50 times of the channel width of at least one film crystal pipe unit；Same, the channel width of multiple second thin film transistor (TFT)s 3212 is in viewing area 303 10 to 50 times of the channel width of at least one film crystal pipe unit.Under this design condition, both can meet the effect that driving force is strong, the size of non-display area on the upside of viewing area (upper side frame) can have been saved again.
Therefore, analysis based on above defect situation not of the same race, by adopting the design in the embodiment of the present invention, touch-control display panel arranges electrode detection unit, this electrode detection unit is arranged in the non-display area on the upside of touch-control display panel viewing area, when not affecting narrow frame, this electrode detection unit can realize the detection of touch control electrode in viewing area.
It should be noted that for previous embodiment, first input end, the second input and the 3rd input, optionally, be conductive pad, and, optionally, it is arranged on the non-display area on the upside of viewing area.By adopting the design of conductive pad, technique is simple, it is easy to make；It addition, conductive pad to be arranged on the non-display area on the upside of viewing area, it is possible to make full use of the region of non-display area on the upside of viewing area, it is not necessary to take the area of other non-display area, be of value to narrow frame.
It should be noted that, for previous embodiment, electrode detection unit transmits high level signal and low level signal respectively to the first sub-electrode and the second sub-electrode, adopt so design, corresponding to the first adjacent sub-electrode and the second sub-electrode, the gray-scale intensity in region differs greatly, be conducive to quickly finding the quality of the first sub-electrode and the second sub-electrode, be conducive to the examination efficiency of defective products, improve production efficiency.
The structural representation of another touch-control display panel that Fig. 4 provides for the embodiment of the present invention, with Fig. 3 corresponding to similarity in embodiment and previous embodiment, repeating no more herein, only describe difference, the content of concrete similarity is referred to preceding sections.nullConcrete，In the structure of touch-control display panel 400 shown in Fig. 4，Substrate 401 also include a plurality of D1 in the first direction extend and the data wire 430 of D2 parallel arrangement in a second direction (in the present embodiment, being diagrammatically only by property provides 4 data line，But the quantity of data wire is not intended that the restriction to the embodiment of the present invention)，And a plurality of extend along described second direction D2 and gate line (the known general knowledge of D1 parallel arrangement in the first direction，Unrelated with the inventive point of the present embodiment，Do not provide in the drawings)，And the electrostatic defending bus 440 electrically connected with data wire 430 (electrostatic defending bus 440 is one " loop wire " around viewing area 403 in the present embodiment，But can also be straight line in other embodiments，Concrete shape does not limit，As long as ensureing that this electrostatic defending bus 440 electrically connects with a plurality of data lines 430)，Electrode detection unit 411 also includes at least one first static protective unit 4311 and at least one second static protective unit 4312，Wherein，One end electrical connection electrostatic defending bus 440 of at least one the first static protective unit 4311，The other end of at least one the first static protective unit 4311 and the electrical connection of the first touch-control sub-electrode 4071 one_to_one corresponding；One end electrical connection electrostatic defending bus 440 of at least one the second static protective unit 4312, the other end of at least one the second static protective unit 4312 and the electrical connection of the second touch-control sub-electrode 4072 one_to_one corresponding.
Adopt the technical scheme in the present embodiment, electrode detection unit 411 increases at least one the first static protective unit 4311 and at least one second static protective unit 4312, it is possible to the electromotive force on pixel electrode allowed in touch-control display panel in pixel cell and the electromotive force on the first touch-control sub-electrode 4071 (the display stage is multiplexed with public electrode), the second touch-control sub-electrode 4072 (the display stage is multiplexed with public electrode) are equal.If there is electric potential difference between public electrode and pixel electrode, such issues that be easy for liquid crystal polarization, ion aggregation, then in the display stage, display effect will be affected.Next explain in detail, adopt the technical scheme in the present embodiment is how to reach to eliminate the problem such as liquid crystal polarization, ion aggregation.
It is known that, touch-control display panel has multiple pixel cell (not shown in FIG.), it is rectangular be distributed on panel respectively along first direction and second direction, general, the pixel electrode of each pixel cell all with in pixel cell thin film transistor (TFT) source electrode or drain electrode electrically connect, and, general, for in the whole pixel cells on any string thin film transistor (TFT) source electrode or drain electrode all connects and an identical data line on, and in the prior art, in order to eliminate the electrostatic existed on data wire, it is generally designed the ESD electrostatic bus (data wire 430 in such as the present embodiment and the electrostatic defending bus 440 electrically connected with data wire 430) electrically connected with data wire.nullIn the present embodiment，For the first static protective unit 4311，It is additionally provided with at least one first static protective unit 4311，One end electrical connection electrostatic defending bus 440 of the first static protective unit 4311，The other end of the first static protective unit 4311 and the electrical connection of the first touch-control sub-electrode 4071 one_to_one corresponding，So，For on the pixel electrode of any pixel cell once electrostatic charge occurs，So this electrostatic charge just can along from pixel electrode、The source electrode of thin film transistor (TFT) or drain electrode in pixel cell、Data wire、Electrostatic defending bus 440、First static protective unit 4311，Flow ultimately in the first touch-control sub-electrode 4071 (the display stage is multiplexed with public electrode)，Thus reaching to allow the equal purpose of the electromotive force on the pixel electrode in pixel cell and the electromotive force on the first touch-control sub-electrode 4071 (the display stage is multiplexed with public electrode) in touch-control display panel.For the second static protective unit 4312, principle is identical, repeats no more herein.
It can further be stated that, simply show schematically first static protective unit 4311 and second static protective unit 4312 in the present embodiment, but this quantity is not intended that the restriction to the present embodiment, optionally, can be for each first touch-control sub-electrode 4071 all one the first static protective unit 4311 of corresponding connection, each second touch-control sub-electrode 4072 all one second static protective unit 4312 of corresponding connection, so can reach the best purpose eliminating the problem such as liquid crystal polarization, ion aggregation.
It should be noted that, in embodiment for earlier figures 2 to Fig. 4, the first film transistor and the second thin film transistor (TFT) all adopt N-type transistor, but this design is not intended that the restriction to the embodiment of the present invention, optionally, the first film transistor and the second thin film transistor (TFT) all adopt P-type transistor；Or the first film transistor adopts N-type transistor, and the second thin film transistor (TFT) all adopts P-type transistor；Or, the first film transistor adopts P-type transistor, and the second thin film transistor (TFT) adopts N-type transistor.
Fig. 5 show a kind of touch display panel structure schematic diagram that the embodiment of the present invention provides.In conjunction with the embodiment corresponding to earlier figures 2 to Fig. 4, touch-control display panel 500 includes: substrate 501, substrate 501 is provided with common electrode layer, common electrode layer is divided into multiple first electrode 503, first electrode 503 includes multiple first sub-electrode and multiple second sub-electrode, the first sub-electrode and the second sub-electrode are intervally arranged successively；Opposite side at substrate 501 also includes counter substrate 502, is additionally provided with a plurality of second electrode 505 on the side deviating from substrate 501 of counter substrate 502, and the bearing of trend of the first electrode 503 and the second electrode intersects.
In Figure 5, simply schematically explain the relative position relation of the first electrode 503 and the second electrode 505, each technical scheme in earlier figures 2 to Fig. 4 embodiment is injected for the not additional description of the embodiment corresponding to Fig. 5, concrete, each technical scheme in Fig. 2 to Fig. 4 embodiment is all suitable in embodiment corresponding to Fig. 5, and this is no longer going to repeat them.Concrete, in the display stage, the first electrode 503 receives the public voltage signal of integrated circuit transmission so that touch-control display panel performs display function；In the touch-control stage, first electrode 503 receives the touch-control of integrated circuit transmission and drives signal, namely the first electrode 503 is multiplexed with touch-control drive electrode, meanwhile, the touch-control that second electrode 505 receives based on touch-control drive electrode 503 drives signal, generate touch control detection signal, and this touch control detection signal is fed back to integrated circuit so that touch-control display panel performs touch controllable function.
It can further be stated that, for the mutual capacitance control mode touch mode being previously mentioned in Fig. 5 embodiment, it is not limited only to situation drawn in Fig. 5, it may also is that touch-control drive electrode and touch detection electrodes are arranged in a crossed manner inside touch-control display panel, or the one in the two is arranged at inside touch-control display panel, another one is arranged at the outside of touch-control display panel, and, it is arranged at the one within touch-control display panel, both can be arranged at the counter substrate side towards substrate, it is also possible to be arranged at substrate towards counter substrate side.Above all multiple touch-control drive electrodes and touch detection electrodes be oppositely arranged mode, do not repeat them here, do not constitute the restriction to the embodiment of the present invention.
It should be noted that, for being given above various embodiment, the quantity of the first sub-electrode and the second sub-electrode is not as the criterion with the scheme drawn in accompanying drawing, namely this quantity does not constitute the restriction to the embodiment of the present invention, the first concrete sub-electrode and the quantity of the second sub-electrode can be arbitrarily devised according to the needs of product, as long as ensureing that the first sub-electrode and the second sub-electrode interval successively are arranged, and the first adjacent sub-electrode and the second sub-electrode receiving different voltage signals in detection process.
Fig. 6 is a kind of touch control display device that the embodiment of the present invention proposes, and this touch control display device can for the mobile phone shown in Fig. 6, it is also possible to for touching devices such as computers, concrete, this electronic equipment includes the touch-control display panel mentioned in aforementioned any embodiment.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (11)
1. a touch-control display panel, it is characterised in that including:
Substrate, described substrate includes viewing area and is arranged at the non-display area of the upper side and lower side, described viewing area；
Being arranged at the common electrode layer on described substrate, described common electrode layer is divided into multiple extending in a first direction and the first electrode of parallel arrangement in a second direction, and described first direction intersects with described second direction；
Described first electrode includes multiple first sub-electrode and multiple second sub-electrode, described first sub-electrode and described second sub-electrode and is intervally arranged successively；
Electrode detection unit, it is arranged at the non-display area on the upside of described viewing area, described electrode detection unit transmits different size of public voltage signal to described first sub-electrode and described second sub-electrode, to realize the detection to described first sub-electrode and described second sub-electrode.
2. touch-control display panel as claimed in claim 1, it is characterized in that, described first electrode electrically connects with integrated circuit, in the display stage, described first electrode receives the common signal of described integrated circuit transmission, and described integrated circuit is located at the non-display area on the downside of described viewing area.
3. touch-control display panel as claimed in claim 1, it is characterised in that described electrode detection unit includes:
First input end and the second input, described first input end electrically connects with described first sub-electrode, and described second input electrically connects with described second sub-electrode.
4. touch-control display panel as claimed in claim 3, it is characterised in that described electrode detection unit also includes switch element, and described switch element is used for controlling whether to described first sub-electrode and described second sub-electrode transmitting telecommunication number.
5. touch-control display panel as claimed in claim 4, it is characterized in that, described switch element includes the 3rd input and multiple the first film transistor and multiple second thin film transistor (TFT), the grid of described the first film transistor and described second thin film transistor (TFT) all electrically connects with described 3rd input, first pole of described the first film transistor electrically connects with described first sub-electrode one_to_one corresponding, second pole of described the first film transistor electrically connects with described first input end, first pole of described second thin film transistor (TFT) electrically connects with described second sub-electrode one_to_one corresponding, second pole of described second thin film transistor (TFT) electrically connects with described second input.
6. touch-control display panel as claimed in claim 5, it is characterised in that described first input end, described second input and described 3rd input are conductive pad, are arranged on the non-display area on the upside of described viewing area.
7. touch-control display panel as claimed in claim 5, it is characterized in that, described viewing area includes multiple pixel cell in array distribution, each pixel cell includes at least one film crystal pipe unit, the channel width of the plurality of the first film transistor is 10 to 50 times of the channel width of at least one film crystal pipe unit described, and the channel width of the plurality of second thin film transistor (TFT) is 10 to 50 times of the channel width of at least one film crystal pipe unit described.
8. touch-control display panel as claimed in claim 1, it is characterized in that, also include the counter substrate being oppositely arranged with described substrate, the side deviating from described substrate of described counter substrate arranges a plurality of second electrode, described second electrode extends along described second direction and along described first direction parallel arrangement, described first electrode is arranged on described substrate on the side of described counter substrate.
9. touch-control display panel as claimed in claim 8, it is characterised in that in the touch-control stage, described first electrode is multiplexed with touch-control drive electrode, and described second touch control electrode is touch detection electrodes；Or, described first touch control electrode is multiplexed with touch detection electrodes, and described second touch control electrode is touch-control drive electrode.
null10. touch-control display panel as claimed in claim 1，It is characterized in that，Described substrate also includes a plurality of along the extension of described first direction and the data wire along described second direction parallel arrangement，And it is a plurality of along the extension of described second direction and the gate line along described first direction parallel arrangement，And the electrostatic defending bus electrically connected with described data wire，Described electrode detection unit also includes at least one first static protective unit and at least one second static protective unit，One end of at least one the first static protective unit described electrically connects described electrostatic defending bus，The other end of at least one the first static protective unit described electrically connects with described first touch-control sub-electrode one_to_one corresponding，One end of at least one the second static protective unit described electrically connects described electrostatic defending bus，The other end of at least one the second static protective unit described electrically connects with described second touch-control sub-electrode one_to_one corresponding.
11. a touch control display device, it is characterised in that include as arbitrary in claim 1-10 as described in touch-control display panel.
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