WO2020029121A1

WO2020029121A1 - Touch display panel and touch display device

Info

Publication number: WO2020029121A1
Application number: PCT/CN2018/099420
Authority: WO
Inventors: 林源城
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2020-02-13
Also published as: CN112639704A

Abstract

A touch display panel (10) and a touch display device (20). The touch display panel (10) comprises a substrate (100) and multiple first touch electrode chains (200) and second touch electrode chains (300) arranged at intervals on the substrate (100). The first touch electrode chains (200) and the second touch electrode chains (300) are disposed to intersect and are insulated from one another. Each first touch electrode chain (200) comprises multiple first electrode units (210) consisting of first electrode lines (211) and second electrode lines (212) that intersect and are electrically connected with one another. Each second touch electrode chain (300) comprises multiple second electrode units (310) consisting of third electrode lines (311) and fourth electrode lines (312) that intersect and are electrically connected with one another. In the touch display panel, intersections only occur at the touch electrode chains, and thus there are fewer intersecting points, and the electrode lines are arranged in the electrode unit such that the touch display panel is more bendable.

Description

Touch display panel and touch display device

Technical field

The invention belongs to the field of display technology, and particularly relates to a touch display panel and a touch display device.

Background technique

The display device is generally input or controlled by a keyboard or a mouse. With the development of the display technology field, using touch technology to control information equipment is a very convenient control method. Among them, the touch display panel has a humanized and intuitive input operation interface, so that users of any age can directly select or control information devices with their fingers or stylus, so they are more and more popular in the market. In the prior art, the combination of touch and display is generally realized by bonding a whole touch electrode, but bonding the whole touch electrode on a display panel will affect the display luminous effect, and when applied to a flexible display device As a result, its bending performance is not good. In addition, there are too many intersections of driving electrodes and sensing electrodes in traditional touch electrodes, and the background value of capacitance is large, which reduces the accuracy of touch sensing.

Summary of the invention

In view of this, the present invention provides a touch display panel with few intersections and good bendability.

A touch display panel includes:

Substrate

And a plurality of spaced first touch electrode chains arranged on the substrate, each first touch electrode chain includes a plurality of first electrode units, and each first electrode unit includes a plurality of spaced arrays A first electrode line and a plurality of second electrode lines arranged at intervals, the second electrode line and the first electrode line being arranged crosswise and electrically connected; and

A plurality of spaced second touch electrode chains arranged on the substrate, the second touch electrode chains and the first touch electrode chains are cross-insulated, and each second touch electrode chain includes A plurality of second electrode units, each of which includes a plurality of third electrode lines arranged at intervals and a plurality of fourth electrode lines arranged at intervals, the fourth electrode lines crossing the third electrode lines Arranged and electrically connected.

The present invention also provides a touch display device, which includes the touch display panel according to any one of the present invention.

The beneficial effects of the present invention: The touch display panel provided by the present invention only crosses at the intersection of the touch electrode chains, there are fewer intersections, and the electrode lines in the electrode unit are arranged to make it have good bending properties.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

1 is a schematic structural diagram of a touch display panel according to a first embodiment of the present invention;

2 is a schematic structural diagram of a touch display panel according to a first embodiment of the present invention, showing an intersection;

3 is a schematic structural diagram of a touch electrode chain and a sub-pixel in a touch display panel according to a first embodiment of the present invention;

FIG. 4 is an enlarged schematic view of J in FIG. 3 of the present invention; FIG.

5 is a schematic structural diagram of another boundary sub-pixel region provided by the present invention;

FIG. 6 is a schematic structural diagram of still another boundary sub-pixel area provided by the present invention; FIG.

7 is a schematic structural diagram of a cross connection portion in a touch display panel according to a first embodiment of the present invention;

8 is a schematic structural diagram of a touch display panel according to a second embodiment of the present invention;

9a to 9c are schematic diagrams of a layered structure of a touch display panel according to a second embodiment of the present invention;

10 is a schematic structural diagram of a touch display panel according to a third embodiment of the present invention;

11a to 11c are schematic diagrams of a layered structure of a touch display panel according to a third embodiment of the present invention;

11d to 11e are schematic diagrams of partial stereo effects of a touch display panel according to a third embodiment of the present invention;

12 is a schematic structural diagram of a touch display panel according to a fourth embodiment of the present invention;

13 is a schematic structural diagram of a cross connection portion in a touch display panel according to a fourth embodiment of the present invention;

14a to 14c are schematic diagrams of a layered structure of a touch display panel according to a fourth embodiment of the present invention;

15 is a schematic structural diagram of a touch display panel according to a fifth embodiment of the present invention;

16 is a schematic structural diagram of a touch display panel according to a sixth embodiment of the present invention;

17 is a schematic structural diagram of a touch display panel according to a seventh embodiment of the present invention;

18 is a schematic structural diagram of a touch display panel according to an eighth embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a touch display device provided by the present invention.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second", and the like in the description and claims of the present invention and the drawings are used to distinguish different objects and are not used to describe a specific order. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device containing a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to these processes, methods, products or equipment.

Reference to "an embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they independent or alternative embodiments that are mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Please refer to FIG. 1. The present invention provides a touch display panel 10 including a substrate 100 (see FIG. 15); and a plurality of spaced first touch electrode chains 200 disposed on the substrate 100. (See FIG. 1), each first touch electrode chain 200 includes a plurality of first electrode units 210, and each first electrode unit 210 includes a plurality of spaced first electrode lines 211 and a plurality of spaced A second electrode line 212, the second electrode line 212 intersects with the first electrode line 211 and is electrically connected; and a plurality of spaced second touch electrode chains 300 and a second touch electrode provided on the substrate 100; The chain 300 is cross-insulated with the first touch electrode chain 200. Each second touch electrode chain 300 includes a plurality of second electrode units 310, and each second electrode unit 310 includes a plurality of third electrode lines arranged at intervals. 311 and a plurality of fourth electrode lines 312 arranged at intervals. The fourth electrode lines 312 and the third electrode lines 311 are arranged crosswise and electrically connected. It can be understood that only a part of the first touch electrode chain 200 and a part of the second touch electrode chain 300 are shown in FIG. 1 to assist in description. The first touch electrode chain 200 and the second touch electrode chain 300 together constitute a touch electrode of the touch display panel 10 to implement a touch function. When the first touch electrode chain 200 is a driving electrode, the second touch electrode The chain 300 is a sensing electrode. When the first touch electrode chain 200 is a sensing electrode, the second touch electrode chain 300 is a driving electrode. Please refer to FIG. 2, a second touch electrode chain 300 (a sensing electrode in this embodiment) and a first touch electrode chain 200 (a driving electrode in this embodiment) of the present invention are cross-insulated, that is, the sensing electrode and the driving The electrodes cross only at X in FIG. 2, and the two first electrode units 210 connected to the cross X have a plurality of second electrode lines 212 and first electrode lines 211 that are arranged crosswise and are connected to the cross X The two second electrode units 310 also have multiple fourth electrode lines 312 and third electrode lines 311 that are arranged in a crosswise manner, and multiple second electrode lines 212 that are arranged in a crosswise manner with the first electrode lines 211 and a plurality of crosses The arranged fourth electrode line 312 and the third electrode line 311 enlarge the touch sensing area, or in the same touch area, the driving electrode and the sensing electrode in the present invention only cross at X, which is The driving electrode and the sensing electrode are designed to avoid pixel crossing, which reduces the intersection point, reduces the capacitance background value, and provides the touch sensing amount. In addition, in the present invention, the first electrode unit 210 and the second electrode unit 310 are arranged in a line, which is more favorable for bending than a touch electrode provided by sheet bonding, and improves bending resistance, and can Increase the light output area and increase the brightness of the luminous display.

Referring to FIG. 3, in a further embodiment, a first sub-pixel region 213 is formed between two adjacent first electrode lines 211 and two adjacent second electrode lines 212. A second sub-pixel region 313 is formed between two adjacent third electrode lines 311 and two adjacent fourth electrode lines 312. The first sub-pixel region 213 and the second sub-pixel region 313 are used for accommodating sub-pixels. In other words, the arrangement of electrode lines between the sub-pixels increases the density of touch and improves the sensitivity of touch response. It can be understood that the sub-pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. FIG. 3 shows only one arrangement manner of the sub-pixels. It can be understood that the touch electrodes of the present invention can be applied to sub-pixels arranged in different manners.

Please refer to FIG. 4. FIG. 4 is a partial enlarged view at J in FIG. 3. In a further embodiment, the adjacent first electrode unit 210 and the second electrode unit 310 include a boundary sub-pixel region 214. The first electrode line 211, part of the second electrode line 212, part of the third electrode line 311, and part of the fourth electrode line 312 constitute a boundary sub-pixel region 214. The boundary sub-pixel region 214 is configured to accommodate a sub-pixel between the adjacent first electrode unit 210 and the second electrode unit 310. It can be understood that part of the first electrode line 211 and part of the second electrode line 212 are not connected to part of the third electrode line 311 and part of the fourth electrode line 312, so as to prevent the first touch electrode chain 200 and the first touch electrode chain 200 from being connected. The two touch electrode chains 300 are short-circuited. It can be understood that the boundary sub-pixel region 214 includes a first side 2141, a second side 2142, a third side 2143, and a fourth side 2144, the first side 2141 and the third side 2143 are oppositely disposed, and the second side 2142 and the fourth side The edges 2144 are oppositely arranged, wherein the first edge 2141 intersects the second edge 2142, and the third edge 2143 intersects the fourth edge 2144, respectively, to form a boundary sub-pixel area 214. The first side 2141 is composed of part of the first electrode line 211, the second side 2142 is composed of part of the second electrode line 212, the third side 2143 is composed of part of the third electrode line 311, and the fourth side 2144 is composed of part of the fourth electrode line. 312 composition. Referring to FIG. 5, or the first side 2141 is composed of part of the first electrode line 211, the second side 2142 is composed of part of the second electrode line 212, and the third side 2143 is composed of part of the first electrode line 211 and part of the third electrode line 311 The fourth side 2144 is composed of a part of the second electrode line 212 and a part of the fourth electrode line 312. Referring to FIG. 6, or the first side 2141 is composed of part of the first electrode line 211 and part of the third electrode line 311, the second side 2142 is composed of part of the fourth electrode line 312 and part of the second electrode line 212, and the third side 2143 is composed of A portion of the third electrode line 311 is formed, and a fourth side 2144 is formed of a portion of the fourth electrode line 312. That is to say, according to different arrangement manners of the first electrode unit 210 and the second electrode unit 310 in the display panel 10, the boundary sub-pixel region 214 structured between the two adjacent electrodes may be different, and the boundary sub-pixel region may be different. The constitution of 214 is not limited to the above description. The configuration of the boundary sub-pixel region 214 makes the first electrode unit 210 and the second electrode unit 310 adjacent to each other also have good touch sensing effect when they are not connected.

Please refer to FIG. 1 again. In a further embodiment, in each first electrode unit 210, a first electrode line 211 is disposed in a first direction A, and a second electrode line 212 is disposed in a second direction B. In each of the second electrode units 310, the third electrode line 311 is disposed in the first direction A, and the fourth electrode line 312 is disposed in the second direction B. The first direction A intersects the second direction B. This arrangement allows the touch electrode lines (the first electrode line 211, the second electrode line 212, the third electrode line 311, and the fourth electrode line 312) to be arranged in an orderly manner, so as to avoid short circuits caused by disordered lines.

In a further embodiment, the direction in which the boundary sub-pixel regions 214 are arranged intersects the first direction A to form an acute angle. That is, the boundary between the first electrode unit 210 and the second electrode unit 310 intersects with the first direction A to form an acute angle. It can be understood that, because the boundary sub-pixel region 214 can be formed in various ways, the direction in which the boundary sub-pixel region 214 is arranged here refers to the approximate direction in which the boundary sub-pixel region 214 is arranged.

In a further embodiment, in each of the first electrode units 210, the length of the first electrode line 211 gradually decreases from the middle to both sides, and the length of the second electrode line 212 gradually decreases from the middle to both sides. The outline of the arrangement of the first electrode units 210 is substantially diamond-shaped. In each of the second electrode units 310, the length of the third electrode line 311 gradually decreases from the middle to both sides, and the length of the fourth electrode line 312 gradually decreases from the middle to both sides. The outline of the arrangement of the second electrode units 310 is substantially diamond-shaped. It can be understood that the arrangement of the first electrode line 211, the second electrode line 212, the third electrode line 311, and the fourth electrode line 312 is not limited thereto.

Referring to FIG. 7, in a further embodiment, a connection portion 400 is formed at the intersection X of the second touch electrode chain 300 and the first touch electrode chain 200. The connection portion 400 includes a first connection portion 410 and a second connection portion 420. The first connection portion 410 and the second connection portion 420 are cross-insulated, and the first connection portion 410 is used to connect two adjacent first electrode units 210, and the second connection portion 420 is used to connect two adjacent first electrode units 210. Two electrode unit 310.

Referring to FIG. 8, a second embodiment of the present invention provides a touch display panel 10 a. The touch display panel 10 a further includes a first insulation layer 500, and the first insulation layer 500 is disposed on one side of the first touch electrode chain 200. The second touch electrode chain 300 is disposed on a side of the first insulation layer 500 away from the first touch electrode chain 200. That is, the first electrode unit 210 and the second electrode unit 310 are distributed in different layers, and the two are insulated by the first insulation layer 500. Compared with the first electrode unit 210 and the second electrode unit 310, The same layer can reduce the risk that the first electrode unit 210 and the second electrode unit 310 are in contact with each other and short-circuited. Please refer to FIGS. 9a to 9c, where FIG. 9a refers to the layer where the first touch electrode chain 200 is located, FIG. 9b refers to the layer where the first insulation layer 500 is located, and FIG. 9c refers to the layer where the second touch electrode chain 300 is located A layer indicated in FIG. 9b is provided on the layer indicated in FIG. 9a, and a layer indicated in FIG. 9c is provided on the layer indicated in FIG. 9b. A partial cross-sectional view of the formation is shown in FIG.

Referring to FIG. 10 and FIGS. 11 a to 11 e, a third embodiment of the present invention provides a touch display panel 10 b. The touch display panel 10 b further includes a first auxiliary electrode 600. The first auxiliary electrode 600 is disposed on a side of the first insulating layer 500 away from the first electrode unit 210 and is disposed in a region corresponding to the first electrode unit 210 (see FIG. 11d for a three-dimensional rendering). The first insulating layer 500 defines a plurality of first through holes 510, and the first auxiliary electrode 600 and the first electrode unit 210 are connected through the first through holes 510. The first auxiliary electrode 600 and the first electrode unit 210 are connected through upper and lower layers to form a parallel circuit, which can reduce the total resistance. Especially when the size is large or the resistance of the material used is high, the total resistance can be reduced by setting the auxiliary electrode. It can be understood that the first auxiliary electrode 600 and the second electrode unit 310 in the same layer are insulated and separated, and the manner of the insulation and separation is not limited. In FIG. 10, the relationship of insulation and insulation is illustrated by the shade shown by Y. Please refer to FIGS. 11a to 11c, where FIG. 11a refers to the layer where the first electrode unit 210 is located, FIG. 11b refers to the layer where the first insulating layer 500 is located, and FIG. 11c refers to the second electrode unit 310 and the first auxiliary electrode 600. The layer referred to in FIG. 11a is provided on the layer referred to in FIG. 11a, and the layer indicated in FIG. 11c is provided on the layer referred to in FIG. 11b. Partial stereo rendering is shown in Figure 11d.

Please refer to FIG. 11c. In a further embodiment, the first auxiliary electrode 600 includes a first auxiliary electrode line 610 and a second auxiliary electrode line 620. The first auxiliary electrode line 610 and the first electrode line 211 are on the first insulating layer 500. The orthographic projections on the top coincide with each other, and the orthographic projections of the second auxiliary electrode line 620 and the second electrode line 212 on the first insulating layer 500 coincide. This setting can further reduce the resistance of the first auxiliary electrode 600 and the first electrode unit 210 in parallel. Preferably, the first auxiliary electrode line 610 is intersected with the second auxiliary electrode line 620.

Please refer to FIG. 10 again. In a further embodiment, the touch display panel 10b further includes a second auxiliary electrode 700. The second auxiliary electrode 700 is on the same layer as the first electrode unit 210, and the second auxiliary electrode 700 is disposed in a region corresponding to the second electrode unit 310 (see FIG. 11e for a stereoscopic effect diagram). The first insulating layer 500 defines a plurality of second through holes 520, and the second auxiliary electrode 700 and the second electrode unit 310 are connected by an electrode line passing through the second through holes 520. Forming a parallel circuit by connecting the second auxiliary electrode 700 and the second electrode unit 310 through the upper and lower layers can reduce the total resistance. Especially when the size is large or the resistance of the material used is high, the total resistance can be reduced by setting the auxiliary electrode. It can be understood that the second auxiliary electrode 700 and the first electrode unit 210 in the same layer are insulated and separated, and the manner of the insulation and separation is not limited. In FIG. 10, the insulation and isolation relationship is illustrated by the shade shown by Y.

In a further embodiment, the second auxiliary electrode 700 includes a third auxiliary electrode line 710 and a fourth auxiliary electrode line 720, and an orthographic projection portion of the third auxiliary electrode line 710 and the third electrode line 311 on the first insulating layer 500 Overlap, the orthographic projection of the fourth auxiliary electrode line 720 and the fourth electrode line 312 on the first insulating layer 500 coincide. This setting can further reduce the resistance of the second auxiliary electrode 700 and the second electrode unit 310 in parallel. Preferably, the third auxiliary electrode line 710 and the fourth auxiliary electrode line 720 are intersected.

Please refer to FIG. 11b. In a further embodiment, the first through holes 510 between two adjacent rows or two adjacent columns are staggered from each other, and the second through holes between two adjacent rows or two adjacent columns are arranged alternately. 520 are staggered from each other. The staggered arrangement can further avoid the risk of short circuit caused by the electrical connection between the upper and lower connection circuits.

In a further embodiment, the second auxiliary electrode 700 and the first electrode unit 210 are separated by a distance of at least one pixel width, and the first auxiliary electrode 600 and the second electrode unit 310 are separated by a distance of at least one pixel width. It can reduce the short risk path between the second auxiliary electrode 700 and the first electrode unit 210 provided on the same layer, and the risk of short circuit between the first auxiliary electrode 600 and the second electrode unit 310 provided on the same layer. Can reduce difficulty.

Referring to FIG. 12, a fourth embodiment of the present invention provides a touch display panel 10c. In the touch display panel 10c, the first electrode unit 210 and the second electrode unit 310 are on the same layer. A second insulating layer 800 is provided between the connection portions 420 to insulate and separate the first connection portion 410 and the second connection portion 420 (see FIG. 13). That is, the first connection portion 410 is insulated from the second connection portion 420 by the second insulation layer 800 only at the connection portion 400. At the connection portion 400, it has three layers, which are respectively where the first connection portion 410 is located. It can be understood that the layer where the first connection portion 410 is located and the layer where the second connection portion 420 is located can be exchanged.

Please refer to FIG. 12 and FIGS. 14 a to 14 c. In a further embodiment, the touch display panel 10 c further includes a first insulating layer 500 and a first auxiliary electrode 600. The first insulating layer 500 is disposed on the first electrode unit 210 and One side of the second electrode unit 310. It can be understood that the first insulating layer 500 may cover the first electrode unit 210 and the second electrode unit 310 and the connection portion 400 between the first electrode unit 210 and the second electrode unit 310. The first auxiliary electrode 600 is disposed on a side of the first insulating layer 500 away from the first electrode unit 210, and the first auxiliary electrode 600 is disposed in a region corresponding to the first electrode unit 210. The first insulating layer 500 defines a first through hole 510 therethrough, and the first auxiliary electrode 400 and the first electrode unit 210 are connected through the first through hole 510. Similarly, forming a parallel circuit by connecting the first auxiliary electrode 600 and the first electrode unit 210 through upper and lower layers can reduce the total resistance. Especially when the size is large or the resistance of the material used is high, the total resistance can be reduced by setting the auxiliary electrode. Please refer to FIGS. 14a to 14c, where FIG. 14a refers to the layer where the first electrode unit 210 and the second electrode unit 310 are located, FIG. 14b refers to the layer where the first insulating layer 500 is located, and FIG. 14c refers to the first auxiliary electrode 600 where 14a, the layer referred to in FIG. 14b is provided on the layer indicated in FIG. 14a, and the layer indicated in FIG. 14c is provided on the layer indicated in FIG. 14b.

It can be understood that, in this embodiment, the auxiliary electrode line in the first auxiliary electrode 600 coincides with the orthographic projection of the electrode line in the first electrode unit 210 on the first insulating layer 500 so as to further reduce the first The resistance of the auxiliary electrode 600 in parallel with the first electrode unit 210.

In a further embodiment, the touch display panel 10c further includes a second auxiliary electrode 700, the second auxiliary electrode 700 is disposed on a side of the first insulating layer 500 away from the second electrode unit 310, and the second auxiliary electrode 700 is disposed on Within a region corresponding to the second electrode unit 310. The first insulating layer 500 is opened through the second through hole 520, and the second auxiliary electrode 700 and the second electrode unit 310 are connected through the second through hole 520. That is, the first electrode unit 210 and the second electrode unit 310 are provided on the same layer, and the first auxiliary electrode 600 and the second auxiliary electrode 700 are provided on the same layer. Similarly, the second auxiliary electrode 700 and the second electrode unit 310 are connected in parallel to form a parallel circuit, which can reduce the total resistance. Especially when the size is large or the resistance of the material used is high, the total resistance can be reduced by setting the auxiliary electrode. It can be understood that the distance between the first auxiliary electrode 600 and the second auxiliary electrode 700 is at least one pixel width, which reduces the risk of short circuit.

It can be understood that, in this embodiment, the auxiliary electrode line in the second auxiliary electrode 700 coincides with the orthographic projection of the electrode line in the second electrode unit 310 on the first insulating layer 500 so as to further reduce the second Resistance of the auxiliary electrode 700 in parallel with the second electrode unit 310.

Referring to FIG. 15, a fifth embodiment of the present invention provides a touch display panel 10 d. The touch display panel 10 d includes a light emitting functional layer 900 and a packaging layer 1000. The light emitting functional layer 900 is disposed on one side of the substrate 100 and the packaging layer. 1000 is disposed on a side of the light-emitting layer functional layer 900 far from the substrate 100. The light-emitting functional layer 900 includes a cathode 910, a first gap 911 is provided in the cathode 910, and a first touch electrode chain 200 is disposed in the first gap 911. The second touch electrode chain 300 is disposed on a surface of the encapsulation layer 1000 away from the cathode 910 and the first touch electrode chain 200. The encapsulation layer 1000 includes a first insulation layer 500, a second touch electrode chain 300, and a first touch electrode The chain 200 is insulated by a first insulating layer 500 in the encapsulation layer 1000.

It can be understood that a second auxiliary electrode 700 that is not connected to the first touch electrode chain 200 can be provided in the first gap 911, and a second through hole 520 is opened in the encapsulation layer 1000 to make the second auxiliary electrode The electrode 700 is connected to the second touch electrode chain 300 to form a parallel circuit. And a first auxiliary electrode 600 that is not connected to the second touch electrode chain 300 is disposed on a surface of the packaging layer 1000 away from the cathode 910 and the first touch electrode chain 200, and a first through hole is opened in the packaging layer 1000 510, so that the first auxiliary electrode 600 is connected to the first touch electrode chain 200 to form a parallel circuit. This reduces the total resistance.

It can be understood that a thin film transistor layer 1100 is further provided between the substrate 100 and the light emitting functional layer 900. The light-emitting functional layer 900 further includes an anode 930 and a light-emitting layer 920, wherein the anode 930 is disposed on a surface of the thin-film transistor layer 1100 away from the substrate 100, the light-emitting layer 920 is disposed on a surface of the anode 930 away from the thin-film transistor layer 1100, and the cathode 910 is disposed on The layer 920 is on a surface remote from the anode 930.

Referring to FIG. 16, a sixth embodiment of the present invention provides a touch display panel 10 e. In the touch display panel 10 e, the first touch electrode chain 200 and the second touch electrode chain 300 are both disposed in the light-emitting function layer 900. . Specifically, the light-emitting functional layer 900 is disposed on one side of the substrate 100. The light-emitting functional layer 900 includes an anode 930, a light-emitting layer 920, and a cathode 910. A second gap 931 is provided in the anode 930, and the first touch electrode chain 200 is disposed in the second gap 931. The anode 930 is disposed on one side of the substrate 100, and the light emitting layer 920 is disposed on a surface of the anode 930. The cathode 910 is disposed on a surface of the light-emitting layer 920 away from the anode 930. The cathode 910 is provided with a first gap 911, and the second touch electrode chain 300 is disposed within the first gap 911. The light emitting layer 920 includes a first insulating layer 500, and the second touch electrode chain 300 and the first touch electrode chain 200 are insulated by the first insulating layer 500 in the light emitting layer 920.

It can be understood that a second auxiliary electrode 700 that is not connected to the first touch electrode chain 200 can be provided in the second gap 931, and a second through hole 520 is opened in the light-emitting layer 920 to make the second auxiliary electrode The electrode 700 is connected to the second touch electrode chain 300 to form a parallel circuit. In addition, a first auxiliary electrode 600 that is not connected to the second touch electrode chain 300 may be provided in the first gap 911, and a first through hole 510 is opened in the packaging layer 1000 so that the first auxiliary electrode 600 and the first A touch electrode chain 200 is connected to form a parallel circuit. This reduces the total resistance.

Referring to FIG. 17, a seventh embodiment of the present invention provides a touch display panel 10f. The touch display panel 10f includes an encapsulation layer 1000, the encapsulation layer 1000 is disposed on one side of the substrate 100, and the first touch electrode chain 200 is disposed. On the surface of the packaging layer 1000, a first insulating layer 500 is disposed on a side of the first touch electrode chain 200 away from the packaging layer 1000. That is, the first touch electrode chain 200 and the second touch electrode chain 300 are both disposed above the packaging layer 1000 away from the substrate 100. The first touch electrode chain 200 and the second touch electrode chain 300 can be set in any of the above-mentioned first to third embodiments.

Referring to FIG. 18, an eighth embodiment of the present invention provides a touch display panel 10g. In the touch display panel 10g, the first touch electrode chain 200 and the second touch electrode chain 300 are both disposed in the packaging layer 1000. Specifically, the encapsulation layer 1000 is disposed on one side of the substrate 100. The encapsulation layer 1000 includes a first layer 1010 and a second layer 1020. The first layer 1010 is disposed closer to the substrate 100 than the second layer 1020, and the first insulating layer 500 is disposed. Between the first layer 1010 and the second layer 1020, the first layer 1010 is an organic layer or an inorganic layer, and the second layer 1020 is an organic layer or an inorganic layer. It can be understood that the first insulating layer 400 may also be an organic layer or an inorganic layer. Preferably, the first layer 1010 is an inorganic layer, the first insulating layer 400 is an organic layer, and the second layer 1020 is an inorganic layer.

A third gap 1011 is provided in the first layer 1010, a first touch electrode chain 200 is provided in the third gap 1011, a fourth gap 1021 is provided in the second layer 1020, and a second touch electrode chain 300 is provided in the fourth Within the gap 1021. The second touch electrode chain 300 and the first touch electrode chain 200 are insulated by a first insulating layer 500.

It can be understood that, in addition to the fourth embodiment to the seventh embodiment, the first touch electrode chain 200 and the second touch electrode chain 300 can also be disposed on the touch display panel 10 in the manner disclosed in the present invention. In other layers.

Referring to FIG. 19, the present invention further provides a touch display device 20. The touch display device 20 includes the touch display panel 10 according to any one of the above embodiments. The touch display device 20 may be, but is not limited to, an e-book, a smart phone (such as an Android phone, an iOS phone, a Windows Phone, etc.), a tablet computer, a flexible palm computer, a flexible notebook computer, and a mobile Internet device (MID, Mobile Internet Devices) or wearable devices, etc., or organic light-emitting diode (OLED) touch display devices, active matrix organic light emitting diodes (AMOLED) touch display devices .

The above-mentioned embodiments only express several implementation manners of the present invention, and their descriptions are more specific and detailed, but they cannot be understood as limiting the scope of the patent of the present invention. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

A touch display panel, wherein the touch display panel includes:

Substrate

And a plurality of spaced first touch electrode chains arranged on the substrate, each first touch electrode chain includes a plurality of first electrode units, and each first electrode unit includes a plurality of spaced arrays A first electrode line and a plurality of second electrode lines arranged at intervals, the second electrode line and the first electrode line being arranged crosswise and electrically connected; and

A plurality of spaced second touch electrode chains arranged on the substrate, the second touch electrode chains and the first touch electrode chains are cross-insulated, and each second touch electrode chain includes A plurality of second electrode units, each of which includes a plurality of third electrode lines arranged at intervals and a plurality of fourth electrode lines arranged at intervals, the fourth electrode lines crossing the third electrode lines Arranged and electrically connected.
The touch display panel according to claim 1, wherein a first sub-pixel region is formed between two adjacent first electrode lines and two adjacent second electrode lines; A second sub-pixel area is formed between the three electrode lines and two adjacent fourth electrode lines; the first sub-pixel area and the second sub-pixel area are used for accommodating sub-pixels.
The touch display panel according to claim 2, wherein a boundary sub-pixel region is included between the adjacent first electrode unit and the second electrode unit, part of the first electrode line, part of the The second electrode line, a part of the third electrode line, and a part of the fourth electrode line constitute the boundary sub-pixel area; the boundary sub-pixel area is configured to accommodate the adjacent first electrode unit and the second electrode. Sub-pixels between cells.
The touch display panel according to any one of claims 1-3, wherein a connection portion is formed at the intersection of the second touch electrode chain and the first touch electrode chain, and the connection portion includes a first A connection portion and a second connection portion, the first connection portion and the second connection portion are provided in a cross-insulation manner, and the first connection portion is used to connect two adjacent first electrode units, and the second connection portion Used to connect two adjacent second electrode units.
The touch display panel according to claim 4, wherein the touch display panel further comprises a first insulating layer, and the first insulating layer is disposed on one side of the first touch electrode chain, so The second touch electrode chain is disposed on a side of the first insulation layer away from the first touch electrode chain.
The touch display panel according to claim 5, wherein the touch display panel further comprises a first auxiliary electrode;

The first auxiliary electrode is disposed on a side of the first insulating layer remote from the first electrode unit and is disposed in a region corresponding to the first electrode unit;

The first insulating layer has a plurality of first through holes, and the first auxiliary electrode and the first electrode unit are connected through the first through holes.
The touch display panel according to claim 6, wherein the first auxiliary electrode comprises a first auxiliary electrode line and a second auxiliary electrode line, and the first auxiliary electrode line is in line with the first electrode line. The orthographic projection portion on the first insulating layer coincides, and the orthographic projection portion of the second auxiliary electrode line on the first insulating layer coincides.
The touch display panel according to claim 6, wherein the touch display panel further comprises a second auxiliary electrode;

The second auxiliary electrode is on the same layer as the first electrode unit, and the second auxiliary electrode is disposed in a region corresponding to the second electrode unit;

The first insulating layer is provided with a plurality of second through holes, and the second auxiliary electrode and the second electrode unit are connected through the second through holes.
The touch display panel according to claim 8, wherein the second auxiliary electrode comprises a third auxiliary electrode line and a fourth auxiliary electrode line, and the third auxiliary electrode line is in line with the third electrode line. The orthographic projection portion on the first insulating layer coincides, and the orthographic projection portion of the fourth auxiliary electrode line on the first insulating layer coincides.
The touch display panel according to claim 8, wherein the first through holes between two adjacent rows or two columns are staggered from each other, and the first through holes between two adjacent rows or two columns are The two through holes are staggered from each other.
The touch display panel according to claim 8, wherein the second auxiliary electrode and the first electrode unit are separated by a distance of at least one pixel width, and the first auxiliary electrode and the second The electrode units are separated by a distance of at least one pixel width.
The touch display panel according to claim 4, wherein the first electrode unit and the second electrode unit are on the same layer, and are provided between the first connection portion and the second connection portion. A second insulating layer is provided to insulate the first connection portion from the second connection portion.
The touch display panel according to claim 12, wherein the touch display panel further comprises a first insulating layer and a first auxiliary electrode, and the first insulating layer is disposed on the first electrode unit and the first electrode unit. The side of the second electrode unit, the first auxiliary electrode is disposed on a side of the first insulating layer away from the first electrode unit, and the first auxiliary electrode is disposed corresponding to the first electrode unit. Within the area;

A first through hole is opened in the first insulating layer, and the first auxiliary electrode and the first electrode unit are connected through the first through hole.
The touch display panel according to claim 13, wherein the touch display panel further comprises a second auxiliary electrode, and the second auxiliary electrode is disposed on the first insulating layer away from the second electrode unit. And the second auxiliary electrode is disposed in a region corresponding to the second electrode unit, a second through hole is formed in the first insulating layer, and the second auxiliary electrode and the second electrode The units are connected through the second through hole.
The touch display panel according to any one of claims 5 to 11, wherein the touch display panel includes a light-emitting function layer and a packaging layer, and the light-emitting function layer is provided on one side of the substrate, so that The packaging layer is disposed on a side of the light-emitting layer functional layer remote from the substrate; the light-emitting functional layer includes a cathode, a first gap is provided in the cathode, and the first touch electrode chain is disposed in the first Within a gap; the second touch electrode chain is disposed on a surface of the encapsulation layer away from the cathode and the first touch electrode chain, the encapsulation layer includes the first insulation layer, and the second contact The control electrode chain and the first touch electrode chain are insulated by the first insulating layer in the encapsulation layer.
The touch display panel according to any one of claims 5 to 11, wherein the touch display panel includes a light-emitting function layer, the light-emitting function layer is provided on one side of the substrate, and the light-emitting function The layer includes an anode, a light emitting layer, and a cathode; the anode is disposed on one side of the substrate, a second gap is provided in the anode, and the first touch electrode chain is disposed in the second gap; the A light emitting layer is provided on a surface of the anode; the cathode is provided on a surface of the light emitting layer away from the anode, a first gap is provided in the cathode, and a second touch electrode chain is provided in the Within the first gap; the light-emitting layer includes the first insulation layer, and the second touch electrode chain and the first touch electrode chain are insulated by the first insulation layer in the light-emitting layer.
The touch display panel according to any one of claims 5 to 14, wherein the touch display panel includes an encapsulation layer, the encapsulation layer is disposed on one side of the substrate, and the first touch An electrode chain is disposed on a surface of the encapsulation layer, and the first insulation layer is disposed on a side of the first touch electrode layer away from the encapsulation layer.
The touch display panel according to any one of claims 5 to 11, wherein the touch display panel includes a packaging layer, the packaging layer is disposed on one side of the substrate, and the packaging layer includes a first One layer and a second layer, the first layer is disposed adjacent to the substrate compared to the second layer, the first insulating layer is disposed between the first layer and the second layer, the The first layer is an organic layer or an inorganic layer, and the second layer is an organic layer or an inorganic layer;

A third gap is provided in the first layer, the first touch electrode chain is provided in the third gap, a fourth gap is provided in the second layer, and the second touch electrode chain is provided Within the fourth gap, the second touch electrode chain and the first touch electrode chain are insulated by the first insulation layer.
A touch display device, wherein the touch display device comprises the touch display panel according to any one of claims 1-18.