Specific embodiment
In order to explain the technical content of the present invention in more detail, it is special lift specific embodiment and illustrate appended by cooperating asUnder, but the following drawings and detailed description are not intended to limit the invention, has in any technical field usualSkill, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection model of the inventionIt encloses subject to view those as defined in claim.
Fig. 2A show the structural schematic diagram of substrate in a kind of touch-control display panel provided in an embodiment of the present invention, specifically, touch-control display panel 200 includes substrate 201, and substrate 201 includes viewing area 203 and the non-display area around viewing area 203205；Include a plurality of first touch control electrode 207 in viewing area 203, includes in non-display area 205 and a plurality of first touch-control electricityPole 207 corresponds a plurality of first lead 208 of electrical connection, wherein a plurality of first touch control electrode 207 extends along first direction D1And D2 successively arranges in a second direction, D2 extends and successively arranges along first direction D1 a plurality of first lead 208 in a second direction.Fig. 2 B show the partial enlarged view of dotted line frame Z in Fig. 2A, a plurality of first be located in non-display area 205 combined with Figure 1 and Figure 2,Lead 208 includes from separate viewing area 203 to three first leads 2083,2082 and 2081 for moving closer to viewing area 203 threeThe width W on first direction D1 of first lead 2083,2082 and 2081 is gradually reduced with close to viewing area 203.
It should be noted that the connection for touch control electrode and touch control electrode lead in Fig. 2A and Fig. 2 B illustrated embodimentRelationship are as follows: in a second direction d 2, from the top of touch-control display panel 200 to bottom end, with the first touch control electrode close to topThe first leads 208 of 207 electrical connections are respectively positioned on the right side of viewing area 201, are electrically connected with the first touch control electrode 207 of close bottom endFirst lead 208 is respectively positioned on 201 left side of viewing area, but this setup does not constitute the restriction to the embodiment of the present invention, theSet-up mode of one lead 208 from the top of touch-control display panel 200 to bottom end is also possible to: touching with arbitrary neighborhood two firstThe first lead that control electrode 207 is electrically connected alternately is set in the non-display area 205 of 201 left and right side of viewing area, such asDetails are not described herein for such design method, both falls in range claimed of the embodiment of the present invention, as long as meeting a plurality ofThe width W on first direction D1 of first lead 208 is gradually reduced with close to viewing area 203.
It should also be noted that, for the quantity also not structure of the touch control electrode lead in Fig. 2A and Fig. 2 B illustrated embodimentThe restriction of the pairs of embodiment of the present invention, specifically, can be arbitrarily devised according to the needs of product, and both fall within of the invention realIt applies in example range claimed, as long as meeting the width W on first direction D1 of a plurality of first lead 208 with closeViewing area 203 and be gradually reduced.
By using the design method in inventive embodiments as shown in Figure 2 A and 2 B, occur in viewing area when touch point andWhen the boundary position of non-display area, can and interference of the touch objects for touch control electrode lead in touch-control display panel it preventThe voltage swing transmitted on different touch control electrode leads is inconsistent, improves the touch accuracy of touch-control display panel.
Fig. 3 show the touch probability analysis figure of the different location based on viewing area in Fig. 2A and non-display area, in conjunction with figure2A and Fig. 3, it can be seen that in viewing area 203, be since touch-control display panel collects display and touch function in viewing area 203One, therefore most of touch all occurs in viewing area, this region is considered by what the probability of touch-control was normalized100%, touch-control probability curve is represented by curve A；With more and more far away from viewing area 203, especially in non-display area 205, byIn not having touch-control and a display function, the probability that touch-control display panel is touched in the region with further away from viewing area 203 andIt gradually decreases, the touch-control probability curve in this region is represented by curve B, and normalized is thought at the edge of touch-control display panelPosition, the probability touched are 0%.
Assuming that the non-display area of touch-control display panel is 1mm along the width of first direction D1,203 edge of viewing area is touchedProbability be normalization probability 100%, the probability that the edge of touch display panel is touched be 0%, then entire touch-control display surfaceThe probability that first lead in the non-display area of plate is touched is about the relational expression apart from viewing area are as follows: P=(1-d) * 100%,Wherein d is distance of the first lead to edge of display area.Simultaneously, it is assumed that longitudinal height of touch objects is H, the width of first leadFor W, then first lead be generated interference be desired for H*W* (1-d), in the prior art, in the first lead of non-display areaDistance d to viewing area is all different, but homogeneous in width of the whole first leads of non-display area on first direction D1Together, therefore, the disturbed expectation of any two first lead is different, this also directly affects different first lead transmissionThe difference of signal, affects touch accuracy.
In conjunction with Fig. 3 with continued reference to Fig. 2 B, the width along first direction D1 of first lead 2081 and 2082 divides in fig. 2bNot Wei W1 and W2, and the first lead 2081 of the close viewing area 203 in the two of first lead 2081 and 2082 is along firstOn the D1 of direction be d1 at a distance from first touch control electrode 207 in viewing area 203, it is separate in the two of first lead 2081 and 2082The first lead 2082 of viewing area 203 along first direction D1 be at a distance from first touch control electrode 207 in viewing area 203D2 works as touch point when the width W1 and W2 of first lead 2081 and 2082 meet relational expression W1* (1-d1)=A*W2* (1-d2)Occur in the delivery position of viewing area and non-display area, can more effectively and touch objects for being touched in touch-control display panelThe interference for controlling contact conductor, prevents the voltage swing transmitted on different touch control electrode leads inconsistent, and it is aobvious preferably to improve touch-controlShow the touch accuracy of panel.Wherein, A is the Any Digit more than or equal to 0.85 and less than or equal to 1.15.It should be noted thatFor the relational expression, W1 and W2 be respectively in non-display area any two first leads along first direction D1 width, andIt is not limited to two first leads adjacent in Fig. 2 B.
It should be noted that further including just like Fig. 4 institute for the touch-control display panel 200 in embodiment corresponding to Fig. 2AThe counter substrate 301 shown, the substrate 201 in counter substrate 301 and Fig. 2A are oppositely arranged, and include more in counter substrate 301Item in a second direction D2 extend and along the first direction D1 second touch control electrode 303 successively arranged and with a plurality of second touch control electrode303 correspond a plurality of second lead 305 of electrical connection, and a plurality of second lead 305 is located at non-display area.
It further include common electrode layer it should also be noted that, for the counter substrate 301 in Fig. 4, common electrode layer is along theOne direction D1 is divided into a plurality of public electrode insulated from each other, and public electrode is exactly second touch control electrode 303, i.e. the second touch-controlElectrode 303 is multiplexed with public electrode.It further include scanning circuit 307 in Fig. 4, scanning circuit 307 passes through the second lead 305 and theThe connection of two touch control electrodes 303.In the display stage, second touch control electrode 303 is received by the second lead 305 and comes from scanning circuit307 common signal, the i.e. second touch control electrode 303 in this stage are public electrode；In the touch-control stage, second touch control electrode 303The touch drive signal from scanning circuit 307 is received by the second lead 305, meanwhile, the first touch control electrode 207 is based on secondThe touch-control of touch drive signal and external touch objects on touch-control display panel in touch control electrode 303 generates touch control detection letterNumber, the position of touch-control is identified with this.
It should also be noted that, Fig. 2A and Fig. 4 is combined, it is more since substrate 201 and counter substrate 301 are generally oppositely arrangedSecond touch control electrode 303 be arranged in counter substrate 301 towards on the side of substrate 201, while a plurality of first touch control electrode207 be arranged in substrate 201 on the side of counter substrate 301, as shown in Figure 5A；Alternatively, a plurality of second touch control electrode 303Be arranged in counter substrate 301 towards on the side of substrate 201, while substrate 201 is arranged in a plurality of first touch control electrode 207Towards on the side of counter substrate 301, as shown in Figure 5 B.Various other setting about the first touch control electrode and second touch control electrodeSituation is set to repeat no more, belong to the embodiment of the present invention protection in the range of.
It should also be noted that, by taking Fig. 5 A and Fig. 5 B as an example, substrate 201 can be color membrane substrates, and counter substrate 301 can be withFor array substrate.When substrate 201 is color membrane substrates, and counter substrate 301 is array substrate, further include in counter substrate 301A plurality of controlling grid scan line (not provided in figure) and the multiple data lines (not provided in figure) intersected with controlling grid scan line insulation, gridThe extending direction of scan line can be parallel with first direction D1, and the extending direction of data line is parallel with second direction D2.
The embodiment of the present invention also proposes a kind of touch control display device, which can be mobile phone, orThe touching devices such as computer, specifically, the electronic equipment includes the touch-control display panel mentioned in aforementioned any embodiment.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art thatThe invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present inventionIt is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, alsoIt may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.