WO2022262047A1 - 触控显示面板 - Google Patents

触控显示面板 Download PDF

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Publication number
WO2022262047A1
WO2022262047A1 PCT/CN2021/106663 CN2021106663W WO2022262047A1 WO 2022262047 A1 WO2022262047 A1 WO 2022262047A1 CN 2021106663 W CN2021106663 W CN 2021106663W WO 2022262047 A1 WO2022262047 A1 WO 2022262047A1
Authority
WO
WIPO (PCT)
Prior art keywords
touch
sub
line
signal transmission
arranged along
Prior art date
Application number
PCT/CN2021/106663
Other languages
English (en)
French (fr)
Inventor
杨薇薇
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/431,192 priority Critical patent/US20240019960A1/en
Publication of WO2022262047A1 publication Critical patent/WO2022262047A1/zh

Links

Classifications

    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes

Definitions

  • the present application relates to the field of display technology, in particular to a touch display panel.
  • OLED Organic Light Emitting Diode
  • OLED Organic Light Emitting Diode
  • touch circuits are directly deposited on the encapsulation layer instead of an external touch screen, thereby saving costs.
  • the current encapsulation layer is thicker and has more particles, and since the signal transmission line of the self-capacitive touch circuit is at the lower end of the touch unit, it is very easy to cause a short circuit between the signal transmission line and the touch unit at the particle, resulting in abnormal touch.
  • the present application provides a touch display panel, which can avoid the abnormal touch caused by the short circuit between the signal transmission line and the touch unit.
  • a touch display panel which includes:
  • the signal transmission wiring layer includes a plurality of signal transmission lines, the plurality of signal transmission lines are arranged along a first direction, and each of the signal transmission lines extends along a second direction; and,
  • a touch electrode wiring layer is arranged on one side of the signal transmission wiring layer, and the touch electrode wiring layer includes a plurality of touch control units arranged in an array; wherein,
  • the orthographic projection of the part of the signal transmission line corresponding to a touch unit on the touch electrode wiring layer overlaps with the corresponding part of the touch unit.
  • the touch unit includes a plurality of touch unit lines arranged along the first direction, and the adjacent touch unit lines are electrically connected by touch connection lines; wherein ,
  • the signal transmission line is arranged between two adjacent touch unit lines, and partially overlaps with the touch connection line between two adjacent touch unit lines.
  • the touch display panel includes a plurality of sub-pixels arranged in an array
  • the signal transmission line includes a plurality of electrically connected signal transmission sub-lines, each of the signal The transmission sub-lines are all arranged around one of the sub-pixels.
  • each of the sub-pixels includes a first end and a second end oppositely arranged along the first direction, and a third end and a fourth end oppositely arranged along the second direction. end; among them,
  • the touch connection line includes a first touch connection sub-line arranged along the first end to the third end and a second touch connection sub-line arranged along the third end to the second end sub-line; among them,
  • One end of the first touch connection sub-line is connected to the touch unit line located on one side of the touch connection line, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, The other end of the second touch connection sub-wire is connected to the touch unit line located on the other side of the touch connection line.
  • the touch connection line further includes a third touch connection sub-line arranged along the first end to the fourth end.
  • the touch connection line further includes a fourth touch connection sub-line arranged along the fourth end to the second end.
  • the touch connection line further includes a third touch connection sub-line arranged along the first end to the fourth end and a third touch connection sub-line along the fourth end to the fourth end.
  • the fourth touch connection sub-wire provided at the second end.
  • the touch display panel includes a plurality of sub-pixels arranged in an array
  • the signal transmission line includes a plurality of electrically connected signal transmission sub-lines, each of the signal The transmission sub-lines are partially arranged around one of the sub-pixels.
  • each of the sub-pixels includes a first end and a second end oppositely arranged along the first direction, and a third end and a fourth end oppositely arranged along the second direction. end; among them,
  • the touch connection line includes a first touch connection sub-line arranged along the first end to the third end and a second touch connection sub-line arranged along the third end to the second end sub-line; among them,
  • One end of the first touch connection sub-line is connected to the touch unit line located on one side of the touch connection line, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, The other end of the second touch connection sub-line is connected to the touch unit line located on the other side of the touch connection line; the touch control connection line is partially overlapped with the signal transmission sub-line.
  • the signal transmission sub-wire includes a first signal transmission sub-wire arranged along the first end to the third end and a first signal transmission sub-wire arranged along the first end to the third end.
  • the second signal transmission sub-wire provided at the fourth end;
  • the touch connection line further includes a fourth touch connection sub-line arranged along the second end to the fourth end.
  • the touch unit further includes a dummy sub-wire arranged between adjacent touch unit lines, one end of the dummy sub-wire is electrically connected to the touch unit wire, The other end is arranged close to the signal transmission line, and there is no overlap between the dummy sub-line and the signal transmission line.
  • each of the sub-pixels includes a first end and a second end oppositely arranged along the first direction, and a third end and a fourth end oppositely arranged along the second direction. end; among them,
  • the signal transmission sub-wire includes: a first signal transmission sub-wire arranged along the first end to the third end and a second signal transmission sub-wire arranged along the first end to the fourth end Wire;
  • the dummy sub-wire includes: a first dummy sub-wire arranged along the second end to the third end, and a second dummy sub-wire arranged along the second end to the fourth end.
  • a touch display panel which includes:
  • the signal transmission wiring layer includes a plurality of signal transmission lines, the plurality of signal transmission lines are arranged along a first direction, and each of the signal transmission lines extends along a second direction; and,
  • a touch electrode wiring layer is arranged on one side of the signal transmission wiring layer, and the touch electrode wiring layer includes a plurality of touch control units arranged in an array; wherein,
  • each of the signal transmission lines is electrically connected to one of the touch-control units and insulated from the rest of the touch-control units.
  • the touch unit includes a plurality of touch unit lines arranged along the first direction, and the adjacent touch unit lines are electrically connected by touch connection lines;
  • the signal transmission line is arranged between two adjacent touch unit lines, and partially overlaps with the touch connection line between two adjacent touch unit lines.
  • the touch display panel includes a plurality of sub-pixels arranged in an array
  • the signal transmission line includes a plurality of electrically connected signal transmission sub-lines, each of the signal The transmission sub-lines are all arranged around one of the sub-pixels.
  • each of the sub-pixels includes a first end and a second end oppositely arranged along the first direction, and a third end and a fourth end oppositely arranged along the second direction. end; among them,
  • the touch connection line includes a first touch connection sub-line arranged along the first end to the third end and a second touch connection sub-line arranged along the third end to the second end sub-line; among them,
  • One end of the first touch connection sub-line is connected to the touch unit line located on one side of the touch connection line, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, The other end of the second touch connection sub-wire is connected to the touch unit line located on the other side of the touch connection line.
  • the touch connection line further includes a third touch connection sub-line arranged along the first end to the fourth end.
  • the touch display panel includes a plurality of sub-pixels arranged in an array
  • the signal transmission line includes a plurality of electrically connected signal transmission sub-lines, each of the signal The transmission sub-lines are partially arranged around one of the sub-pixels.
  • each of the sub-pixels includes a first end and a second end oppositely arranged along the first direction, and a third end and a fourth end oppositely arranged along the second direction. end; among them,
  • the touch connection line includes a first touch connection sub-line arranged along the first end to the third end and a second touch connection sub-line arranged along the third end to the second end sub-line; among them,
  • One end of the first touch connection sub-line is connected to the touch unit line located on one side of the touch connection line, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, The other end of the second touch connection sub-line is connected to the touch unit line located on the other side of the touch connection line; the touch control connection line is partially overlapped with the signal transmission sub-line.
  • the signal transmission sub-wire includes a first signal transmission sub-wire arranged along the first end to the third end and a first signal transmission sub-wire arranged along the first end to the third end.
  • the second signal transmission sub-wire provided at the fourth end;
  • the touch connection line further includes a fourth touch connection sub-line arranged along the second end to the fourth end.
  • the signal transmission sub-wire includes: a first signal transmission sub-wire arranged along the first end to the third end and a second signal transmission sub-wire arranged along the first end to the fourth end Wire;
  • the dummy sub-wire includes: a first dummy sub-wire arranged along the second end to the third end, and a second dummy sub-wire arranged along the second end to the fourth end.
  • the present application provides a touch display panel.
  • the orthographic projection of the part of the signal transmission line corresponding to a touch unit on the touch electrode wiring layer overlaps with the corresponding touch unit, so that the direct alignment between the signal transmission line and the touch unit can be reduced. area, thus avoiding the touch abnormality caused by the short circuit between the signal transmission line and the touch unit due to particles.
  • FIG. 1 is a schematic top view of a touch display panel provided by an embodiment of the present application
  • FIG. 2 is an enlarged schematic diagram of a signal transmission line and sub-pixels in area A in FIG. 1;
  • FIG. 3 is a first enlarged schematic diagram of the touch unit and sub-pixels in area A in FIG. 1;
  • FIG. 4 is an enlarged schematic diagram of a signal transmission line, a touch unit and a sub-pixel in area A in FIG. 1;
  • Fig. 5 is a sectional view along line A1A1 in Fig. 4;
  • FIG. 6 is a second enlarged schematic diagram of the touch unit and sub-pixels in area A in FIG. 1;
  • FIG. 7 is a third enlarged schematic diagram of the touch unit and sub-pixels in area A in FIG. 1;
  • FIG. 8 is a fourth enlarged schematic diagram of the touch unit and sub-pixels in area A in FIG. 1;
  • FIG. 9 is another enlarged schematic diagram of the signal transmission line and sub-pixels in area A in FIG. 1;
  • FIG. 10 is a fifth enlarged schematic diagram of the touch unit and sub-pixels in area A in FIG. 1;
  • FIG. 11 is a sixth enlarged schematic view of the touch unit and sub-pixels in the region A in FIG. 1 .
  • FIG. 1 is a schematic top view structure diagram of a touch display panel provided by an embodiment of the present application.
  • the touch display panel 1 provided by the embodiment of the present application includes a touch electrode wiring layer 10 and a signal transmission wiring layer 20 .
  • the touch electrode wiring layer 10 is disposed on the transmission wiring layer 20 .
  • the signal transmission wiring layer 20 may also be disposed on the touch electrode wiring layer. That is, the touch electrode wiring layer 10 is disposed on one side of the signal transmission wiring layer 20 .
  • the touch electrode wiring layer 10 includes a plurality of touch units 101 arranged in an array.
  • the signal transmission wiring layer 20 includes a plurality of signal transmission lines 201 extending in the column direction. In the extending direction of the signal transmission lines 201 , each signal transmission line 201 is electrically connected to one touch unit 101 and insulated from other touch units 101 .
  • the column direction refers to the extending direction parallel to the data signal lines
  • the row direction refers to the extending direction parallel to the scanning signal lines.
  • the orthographic projection of the portion of the signal transmission line 201 corresponding to a touch unit 101 on the touch electrode wiring layer 10 partially overlaps with the corresponding touch unit 101 .
  • the touch electrode wiring layer 10 includes M rows of touch units 101 arranged along the column direction and N columns of touch units 101 arranged along the row direction.
  • the signal transmission wiring layer 20 includes M*N signal transmission lines 201 extending in the column direction.
  • Each row of touch units 101 has M signal transmission lines 201 .
  • the first signal transmission line 201 corresponds to the first row of touch units 101 to the Mth row of touch units 101
  • the first signal transmission line 201 corresponds to the first row of touch units 101 is electrically connected and insulated from other touch units 101 .
  • the second signal transmission line 201 corresponds to the touch units 101 in the second row to the touch units 101 in the Mth row, and the second signal transmission line 201 is electrically connected to the touch units 101 in the second row.
  • the Mth signal transmission line 201 corresponds to the Mth row of touch units 101
  • the Mth signal transmission line 201 is electrically connected to the Mth row of touch units 101 .
  • one signal transmission line 201 is electrically connected to a row of touch units 101 , so as to lead out the touch signals of each row of touch units 101 .
  • touch display panel 1 provided in the embodiment of the present application has multiple areas that are set the same as the area A, such as area B and area C shown in FIG. 1 , which will not be described in detail here.
  • FIG. 2 is an enlarged schematic diagram of the signal transmission line and the sub-pixels in the area A in FIG. 1 .
  • the signal transmission line 201 includes a plurality of signal transmission sub-lines 2011 electrically connected.
  • a plurality of signal transmission sub-wires 2011 are distributed in a grid shape.
  • the signal transmission sub-line 2011 is disposed between two sub-pixels 30 , and a signal transmission line 201 includes signal transmission sub-lines 2011 between a plurality of sub-pixels 30 . That is, each signal transmission sub-line 2011 is arranged around a sub-pixel 30 .
  • FIG. 3 is a first enlarged schematic diagram of the touch unit and sub-pixels in the area A in FIG. 1 .
  • the touch unit 101 includes a plurality of touch unit traces 1011 electrically connected.
  • the touch unit wiring 1011 is arranged between two sub-pixels 30 , and one touch unit 101 includes touch unit wiring 1011 between multiple sub-pixels 30 .
  • the touch display panel 1 is pressed, the denser the distribution of the touch unit wires 1011 in one touch unit 101 is, the greater the change in capacitance is, and the easier it is to detect a touch signal.
  • the orthographic projection of the signal transmission line 201 on the touch unit 101 electrically connected to it and the touch unit trace 1011 of the touch unit 101 are one by one. corresponding to overlap. Since the signal transmission line 201 needs to be electrically connected to the corresponding touch unit 101 in the extending direction of the signal transmission line 201, the embodiment of the present application combines the orthographic projection of the signal transmission line 201 on the touch unit 101 electrically connected with it. The traces 1011 of the touch unit at the touch unit 101 overlap one by one, so that the signal transmission line at the place can be better electrically connected with the touch unit.
  • a plurality of sub-pixels 30 are arranged in an array; the wiring 1011 of the touch control unit is located between adjacent sub-pixels 30 .
  • the signal transmission sub-line 2011 is located between adjacent sub-pixels 30 .
  • the touch electrode wiring layer 10 includes a first projection area 100 .
  • the first projection area 100 is a projection area corresponding to the orthographic projection of the signal transmission line 201 on the touch electrode wiring layer 10 .
  • the first projection area 100 includes at least one second projection area 202 corresponding to the touch unit 101 insulated from the signal transmission line 201 .
  • the second projection area 202 divides the touch unit 101 into a first portion 102 and a second portion 103 .
  • the second projection area 202 corresponding to the orthographic projection of the signal transmission line 201 on the touch unit 101 divides the touch unit 101 into a first part 102 and a second part 103 .
  • the touch unit 101 includes a wiring area 2023 and a blank area 2022.
  • the wiring area 2023 is provided with a touch unit trace 1011 for electrically connecting the first part 102 and the second part 103; on the blank area 2022, the touch unit 101 No trace unit wiring 1011 is set.
  • the second projection area 202 includes a plurality of interconnected projection sub-areas 2021 .
  • Each projection sub-area 2021 is arranged around a sub-pixel 30 .
  • Each projected sub-area 2021 is set corresponding to a sub-pixel 30 .
  • the partial projection sub-area 2021 is set corresponding to the blank area 2022 , and the partial projection sub-area 2021 is set corresponding to the wiring area 2023 . That is, part of the projected sub-area 2021 is not provided with touch unit wires 1011 , and part of the projected sub-area 2021 is provided with touch unit wires 1011 for electrically connecting the first part 102 and the second part 103 .
  • the touch unit wiring 1011 is not provided on the part of the projected sub-region 2021, and the part of the projected sub-region 2021 is provided with the touch unit circuit for electrically connecting the first part 102 and the second part 103. , so that the area facing the signal transmission line 201 and the touch control unit 101 can be reduced, thereby avoiding the abnormal touch caused by the short circuit between the signal transmission line 201 and the touch control unit 101 due to particles.
  • each sub-pixel 30 includes a first end a and a second end b oppositely arranged along the row direction, and a third end c and a fourth end d oppositely arranged along the column direction.
  • the touch unit 101 includes a first touch unit wiring arranged along the first end a to the third end c. That is, on the wiring area 2023 , the touch unit 101 includes a first touch unit wiring arranged along the first end a to the third end c.
  • the touch unit 101 further includes a second touch unit wiring arranged along the third end c to the second end b. That is, on the wiring area 2023 , the touch unit 101 further includes a second touch unit wiring arranged along the third end c to the second end b.
  • One end of the wiring of the first touch unit is connected to the first part 102, the other end of the wiring of the first touch unit is connected to one end of the wiring of the second touch unit, and the other end of the wiring of the second touch unit is connected to the second Section 103 is connected. That is, on part of the projected sub-area 2021 , the touch unit 101 is only provided with the first touch unit wiring and the second touch unit wiring.
  • the touch unit 101 includes a plurality of touch unit lines 101A arranged along the first direction, and the touch unit lines 101A are electrically connected through the touch connection line 101B; between the control unit lines 101A and partly overlap with the touch connection line 101B between two adjacent touch unit lines 101A.
  • the touch display panel 1 includes a plurality of sub-pixels 30 arranged in an array, and the signal transmission line 201 includes a plurality of electrically connected signal transmission sub-lines 2011 , and each signal transmission sub-line 2011 is arranged around a sub-pixel 30 .
  • Each sub-pixel 30 includes a first end a and a second end b oppositely arranged along the first direction, and a third end c and a fourth end d oppositely arranged along the second direction;
  • the touch connection line 101B includes The first touch connection sub-line arranged along the first end a to the third end c and the second touch connection sub-line arranged along the third end c to the second end b; wherein, the first touch connection sub-line One end of the line is connected to the touch unit line 101A located on one side of the touch connection line 101B, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, and the second touch connection sub-line The other end is connected to the touch unit line 101A on the other side of the touch connection line 101B.
  • FIG. 4 is an enlarged schematic diagram of the signal transmission line, the touch unit and the sub-pixels in the area A in FIG. 1 .
  • FIG. 5 is a cross-sectional view along line A1A1 in FIG. 4 .
  • the touch display panel 1 includes a substrate 80 .
  • the substrate 80 can be a flexible substrate or a rigid substrate.
  • the material of the flexible base can be polyimide, and the material of the hard base can be glass.
  • the substrate 80 has a planarization layer 70 thereon.
  • a side of the planarization layer 70 away from the substrate 80 has a plurality of first electrodes 31 .
  • a pixel definition layer 60 is disposed on the first electrode 31 and the planarization layer 70 .
  • the pixel definition layer 60 has several openings exposing the first electrodes 31 .
  • a light emitting block 32 is disposed in the opening.
  • the second electrode 33 is disposed on the light emitting block 32 and the pixel definition layer 60 .
  • the first electrode 31 , the light emitting block 32 and the second electrode 33 form a sub-pixel 30 . Wherein, a plurality of sub-pixels 30 are arranged in an array.
  • the light emitting block 32 can be red, green or blue, and can also be red, green, blue or white.
  • the sub-pixels 30 of the three primary colors of red, green, and blue or the four primary colors of red, green, blue, and white are distributed alternately.
  • the material of the light-emitting block 32 can be an organic light-emitting material.
  • the first electrode 31 can be an anode, and the material can be a light-transmitting material or a light-reflecting material.
  • the light-transmitting material may be at least one of indium tin oxide (ITO), indium zinc oxide (IZO) and indium gallium zinc oxide (IGZO).
  • Reflective materials can include silver (Ag) and its alloys, aluminum (Al) and its alloys, such as silver (Ag), silver and lead alloy (Ag: Pb), aluminum and neodymium alloy (Al: Nd), silver Platinum-copper alloy (Ag:Pt:Cu), etc.
  • the second electrode 33 can be a cathode, and the material can be a material with partial light transmission and partial light reflection (semi-transparent and semi-reflective material) or a light-reflective material.
  • the transflective material may include at least one of magnesium, silver, and aluminum, for example, a mixture of magnesium and silver or a mixture of aluminum and silver.
  • the light-transmitting material may be at least one of indium tin oxide (ITO), indium zinc oxide (IZO) and indium gallium zinc oxide (IGZO).
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • IGZO indium gallium zinc oxide
  • the OLED display panel 1 may have a top emission structure or a bottom emission structure, which is not limited in this embodiment.
  • the second electrodes 33 of each sub-pixel 30 can be connected to form one surface electrode, so as to facilitate the power supply of the second electrodes 33 .
  • the light emitting mode of the sub-pixel 30 may be Active Matrix (AM).
  • the active driving light emitting method is also called the active driving method, and the pixel driving circuit controls the light emitting of the sub-pixels. Therefore, a pixel driving circuit may be disposed between the first electrode 31 and the substrate 80 .
  • the pixel driving circuit may include several transistors and storage capacitors, wherein the drain of one transistor is electrically connected to the first electrode.
  • a pixel driving circuit with a 2T1C structure includes: a switching transistor, a driving transistor, and a storage capacitor.
  • the gate of the switching transistor is electrically connected to a scanning signal line.
  • the switching transistor keeps the data signal on a data signal line at one plate of the storage capacitor; when the scanning signal is at the off voltage, the storage
  • the data signal held on the capacitor keeps the driving transistor turned on, so that the power signal on a power signal line continuously supplies power to the first electrode 31 of the sub-pixel 30 .
  • a side of the second electrode 33 away from the substrate 80 may be provided with an encapsulation layer 50 .
  • the encapsulation layer 50 may be a TFE film.
  • the encapsulation layer 50 may include: an overlapping structure of several organic encapsulation layers and inorganic encapsulation layers.
  • the touch electrode wiring layer 10 may be disposed on a side of the encapsulation layer 50 away from the substrate 80 .
  • it may include: a touch electrode wiring layer 10 and a signal transmission wiring layer 20 .
  • the touch electrode wiring layer 10 and the signal transmission wiring layer 20 are located in different layers, and are insulated by an insulating layer 40 .
  • the touch electrode wiring layer 10 is close to the substrate 80 , and the signal transmission wiring layer 20 is far away from the substrate 80 .
  • the signal transmission wiring layer 20 may also be close to the substrate 80 , and the touch electrode wiring layer 10 may be far away from the substrate 80 .
  • the material of the touch electrode wiring layer 10 and the signal transmission wiring layer 20 is opaque metal, such as metal molybdenum. Therefore, the touch electrode wiring layer 10 and the signal transmission wiring layer 20 are disposed between adjacent sub-pixels 30 .
  • the materials of the touch electrode wiring layer 10 and the signal transmission wiring layer 20 can also be light-transmitting conductive materials, such as indium tin oxide (ITO), indium zinc oxide (IZO) and indium gallium zinc oxide (IGZO). ) at least one of.
  • FIG. 6 is a second enlarged schematic view of the touch unit and sub-pixels in the area A in FIG. 1 .
  • the difference between the enlarged schematic diagram shown in FIG. 6 and the enlarged schematic diagram shown in FIG. 3 is that: on the projection sub-area 2021 where the touch unit wiring 1011 is provided, the touch unit 101 also includes The wiring of the third touch unit provided at terminal d. That is, on the wiring area 2023 , the touch unit 101 further includes a third touch unit wiring arranged along the first terminal a to the fourth terminal d.
  • the touch connection line 101B further includes a third touch connection sub-line arranged along the first end a to the fourth end d.
  • FIG. 7 is a third enlarged schematic view of the touch unit and sub-pixels in the area A in FIG. 1 .
  • the difference between the enlarged schematic diagram shown in FIG. 7 and the enlarged schematic diagram shown in FIG. 3 is that: on the projected sub-area 2021 where the touch unit wiring 1011 is provided, the touch unit 101 also includes The wiring of the fourth touch control unit provided at terminal b. That is, on the wiring area 2023 , the touch unit 101 further includes a fourth touch unit wiring arranged along the fourth end d to the second end b.
  • the touch connection line 101B further includes a fourth touch connection sub-line arranged along the fourth end d to the second end b.
  • FIG. 8 is a fourth enlarged schematic view of the touch unit and sub-pixels in the area A in FIG. 1 .
  • the touch unit 101 also includes The wiring of the third touch unit provided at terminal d. That is, on the wiring area 2023 , the touch unit 101 further includes a third touch unit wiring arranged along the first terminal a to the fourth terminal d.
  • the touch unit 101 On the projection sub-area 2021 where the touch unit wiring 1011 is disposed, the touch unit 101 further includes a fourth touch unit wiring arranged along the fourth end d to the second end b. That is, on the wiring area 2023 , the touch unit 101 further includes a fourth touch unit wiring arranged along the fourth end d to the second end b.
  • the touch connection line 101B also includes a third touch connection sub-line arranged along the first end a to the fourth end d and a fourth touch connection sub-line arranged along the fourth end d to the second end b. sub-line.
  • FIG. 9 is another enlarged schematic view of the signal transmission line and the sub-pixels in the area A in FIG. 1 .
  • FIG. 10 is a fifth enlarged schematic view of the touch unit and sub-pixels in the region A in FIG. 1 .
  • the touch display panel 1 provided in the embodiment of the present application has multiple areas that are set the same as the area A, such as area B and area C shown in FIG. 1 , which will not be described in detail here.
  • the signal transmission line 201 includes a plurality of signal transmission sub-lines 2011 electrically connected.
  • the signal transmission sub-wires 2011 are distributed in a zigzag shape.
  • the signal transmission sub-line 2011 is disposed between two sub-pixels 30 , and a signal transmission line 201 includes signal transmission sub-lines 2011 between a plurality of sub-pixels 30 . That is, each signal transmission sub-line 2011 is partially disposed around a sub-pixel 30 .
  • the touch unit 101 includes a plurality of touch unit traces 1011 electrically connected.
  • the touch unit wiring 1011 is arranged between two sub-pixels 30 , and one touch unit 101 includes touch unit wiring 1011 between multiple sub-pixels 30 .
  • the denser the distribution of the touch unit traces 1011 in one touch unit 101 the greater the capacitance change, and the easier it is to detect the touch signal.
  • the touch electrode wiring layer 10 includes a first projection area 100 .
  • the first projection area 100 is a projection area corresponding to the orthographic projection of the signal transmission line 201 on the touch electrode wiring layer 10 .
  • the first projection area 100 includes at least one second projection area 202 corresponding to the touch unit 101 insulated from the signal transmission line 201 .
  • the second projection area 202 divides the touch unit 101 into a first portion 102 and a second portion 103 .
  • the second projection area 202 corresponding to the orthographic projection of the signal transmission line 201 on the touch unit 101 divides the touch unit 101 into a first part 102 and a second part 103 .
  • the touch unit 101 includes a wiring area 2023 and a blank area 2022.
  • the wiring area 2023 is provided with a touch unit trace 1011 for electrically connecting the first part 102 and the second part 103; on the blank area 2022, the touch unit 101 No trace unit wiring 1011 is set.
  • the second projection area 202 includes a plurality of interconnected projection sub-areas 2021 .
  • Each projection sub-area 2021 is half-enclosed around a sub-pixel 30 .
  • Each projection sub-area 2021 is corresponding to a sub-pixel 30 .
  • the partial projection sub-area 2021 is set corresponding to the blank area 2022 , and the partial projection sub-area 2021 is set corresponding to the wiring area 2023 . That is, part of the projected sub-area 2021 is not provided with touch unit wires 1011 , and part of the projected sub-area 2021 is provided with touch unit wires 1011 for electrically connecting the first part 102 and the second part 103 .
  • the touch unit wiring 1011 is not provided on the part of the projected sub-region 2021, and the part of the projected sub-region 2021 is provided with the touch unit circuit for electrically connecting the first part 102 and the second part 103. 1011 , so that the area directly facing the signal transmission line 201 and the touch unit 101 can be reduced, thereby avoiding abnormal touch control caused by a short circuit between the signal transmission line 201 and the touch unit 101 due to particles.
  • each sub-pixel 30 includes a first end a and a second end b oppositely arranged along the row direction, and a third end c and a fourth end d oppositely arranged along the column direction.
  • the touch unit 101 includes a first touch unit wiring arranged along the first end a to the third end c. That is, on the wiring area 2023 , the touch unit 101 includes a first touch unit wiring arranged along the first end a to the third end c.
  • One end of the wiring of the first touch unit is connected to the first part 102 , and the other end of the wiring of the first touch unit is connected to the second part 103 . That is, on part of the projected sub-region 2021 , the touch unit 101 is only provided with the first touch unit wiring 1011 .
  • the touch unit 101 includes a plurality of touch unit lines 101A arranged along the first direction, and the touch unit lines 101A are electrically connected through the touch connection line 101B; the signal transmission line 201 is arranged on the corresponding It is between adjacent two touch unit lines 101A and partially overlaps with a touch connection line 101B between two adjacent touch unit lines 101A.
  • the touch display panel 1 includes a plurality of sub-pixels 30 arranged in an array, and the signal transmission line 201 includes a plurality of electrically connected signal transmission sub-lines 2011 , and each signal transmission sub-line 2011 is partially arranged around a sub-pixel 30 .
  • Each sub-pixel 30 includes a first end a and a second end b oppositely arranged along the first direction, and a third end c and a fourth end d oppositely arranged along the second direction;
  • the touch connection line 101B includes The first touch connection sub-line arranged along the first end a to the third end c and the second touch connection sub-line arranged along the third end c to the second end b; wherein, the first touch connection sub-line One end of the line is connected to the touch unit line 101A located on one side of the touch connection line 101B, the other end of the first touch connection sub-line is connected to one end of the second touch connection sub-line, and the second touch connection sub-line The other end is connected to the touch unit line 101A located on the other side of the touch connection line 101B; the touch connection line 101B is partially overlapped with the signal transmission sub-line 2011 .
  • the touch unit 101 further includes dummy sub-lines 101C disposed between adjacent touch unit lines 101A.
  • One end of the dummy sub-wire 101C is electrically connected to the touch cell line 101A, and the other end is disposed close to the signal transmission line 201 , and there is no overlapping portion between the dummy sub-wire 101C and the signal transmission line 201 .
  • the signal transmission sub-wire 2011 includes: a first signal transmission sub-wire arranged along the first end a to the third end c and a second signal transmission sub-wire arranged along the first end a to the fourth end d; the virtual The sub-wire 101C includes: a first dummy sub-wire arranged along the second end b to the third end c, and a second dummy sub-wire arranged along the second end b to the fourth end d.
  • FIG. 11 is a sixth enlarged schematic view of the touch unit and sub-pixels in the area A in FIG. 1 .
  • the difference between the enlarged schematic diagram shown in FIG. 11 and the enlarged schematic diagram shown in FIG. 10 is that: on the projected sub-area 2021 where the touch unit wiring 1011 is provided, the touch unit 101 also includes The wiring of the third touch unit provided at terminal d. That is, on the wiring area 2023 , the touch unit 101 further includes a third touch unit wiring arranged along the first terminal a to the fourth terminal d.
  • the signal transmission sub-wire 2011 includes a first signal transmission sub-wire arranged along the first end a to the third end c and a second signal transmission sub-wire arranged along the first end a to the fourth end d;
  • the touch connection line 101B further includes a third touch connection sub-line arranged along the first end a to the fourth end d and a fourth touch connection sub-line arranged along the second end b to the fourth end d. That is to say, the embodiment of the present application can make full use of the wiring space, thereby improving the touch effect.
  • An embodiment of the present application further provides a touch display device, which includes the touch display panel described in any one of the above embodiments. For details, reference may be made to the above description, which will not be repeated here.

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Abstract

一种触控显示面板（1），包括：信号传输布线层（20），其包括多条信号传输线（201），多条信号传输线（201）沿第一方向排布，且每条信号传输线（201）沿第二方向延伸；以及触控电极布线层（10），其设置在信号传输布线层（20）的一侧，触控电极布线层（20）包括多个触控单元（101）；其中，信号传输线（201）对应一触控单元（101）的部分在触控电极布线层（10）上的正投影与相应触控单元（101）部分重叠。

Description

触控显示面板 技术领域
本申请涉及显示技术领域，具体涉及一种触控显示面板。
 背景技术
OLED(Organic Light Emitting Diode，有机发光二极管)由于重量轻、自发光、广视角、驱动电压低、发光效率高、功耗低、响应速度快等优点，应用范围越来越广泛。现有的OLED触控显示面板会直接在封装层上面沉积触控电路替代外挂式触控屏，从而节约成本。
但是，目前封装层因较厚且有较多颗粒，而自容式触控电路由于信号传输线在触控单元下端，极易在颗粒处导致信号传输线和触控单元短路，从而出现触控异常。
 技术问题
本申请提供一种触控显示面板，可以避免信号传输线与触控单元短路导致的触控异常。
 技术解决方案
第一方面，本申请提供一种触控显示面板，其包括：
信号传输布线层，所述信号传输布线层包括多条信号传输线，多条所述信号传输线沿第一方向排布，且每条所述信号传输线沿第二方向延伸；以及，
触控电极布线层，所述触控电极布线层设置在所述信号传输布线层的一侧，所述触控电极布线层包括多个呈阵列排布的触控单元；其中，
所述信号传输线对应一所述触控单元的部分在所述触控电极布线层上的正投影与相应所述触控单元部分重叠。
在本申请提供的触控显示面板中，所述触控单元包括多条沿第一方向排布的触控单元线，相邻所述触控单元线之间通过触控连接线电连接；其中，
所述信号传输线设置在相邻两条所述触控单元线之间，并与相邻两条所述触控单元线之间的所述触控连接线部分重叠。
在本申请提供的触控显示面板中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均围绕一所述子像素设置。
在本申请提供的触控显示面板中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；其中，
所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接。
在本申请提供的触控显示面板中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线。
在本申请提供的触控显示面板中，所述触控连接线还包括沿着所述第四端至所述第二端设置的第四触控连接子线。
在本申请提供的触控显示面板中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线以及沿着所述第四端至所述第二端设置的第四触控连接子线。
在本申请提供的触控显示面板中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均部分围绕一所述子像素设置。
在本申请提供的触控显示面板中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；其中，
所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接；所述触控连接线与所述信号传输子线部分重叠设置。
在本申请提供的触控显示面板中，所述信号传输子线包括沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
所述触控连接线还包括沿着所述第二端至所述第四端设置的第四触控连接子线。
在本申请提供的触控显示面板中，所述触控单元还包括设置在相邻触控单元线之间的虚拟子线，所述虚拟子线的一端与所述触控单元线电连接，其另一端靠近所述信号传输线设置，且所述虚拟子线与所述信号传输线不存在重叠部分。
在本申请提供的触控显示面板中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；其中，
所述信号传输子线包括：沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
所述虚拟子线包括：沿着所述第二端至所述第三端设置的第一虚拟子线，以及沿着所述第二端至所述第四端设置的第二虚拟子线。
第二方面，本申请提供一种触控显示面板，其包括：
信号传输布线层，所述信号传输布线层包括多条信号传输线，多条所述信号传输线沿第一方向排布，且每条所述信号传输线沿第二方向延伸；以及，
触控电极布线层，所述触控电极布线层设置在所述信号传输布线层的一侧，所述触控电极布线层包括多个呈阵列排布的触控单元；其中，
所述信号传输线对应一所述触控单元的部分在所述触控电极布线层上的正投影与相应所述触控单元部分重叠；
在所述第二方向上，每一所述信号传输线均与一个所述触控单元电性连接，与其余所述触控单元绝缘。
在本申请提供的触控显示面板中，所述触控单元包括多条沿第一方向排布的触控单元线，相邻所述触控单元线之间通过触控连接线电连接；所述信号传输线设置在相邻两条所述触控单元线之间，并与相邻两条所述触控单元线之间的所述触控连接线部分重叠。
在本申请提供的触控显示面板中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均围绕一所述子像素设置。
在本申请提供的触控显示面板中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；其中，
所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接。
在本申请提供的触控显示面板中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线。
在本申请提供的触控显示面板中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均部分围绕一所述子像素设置。
在本申请提供的触控显示面板中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；其中，
所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接；所述触控连接线与所述信号传输子线部分重叠设置。
在本申请提供的触控显示面板中，所述信号传输子线包括沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
所述触控连接线还包括沿着所述第二端至所述第四端设置的第四触控连接子线。
所述信号传输子线包括：沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
所述虚拟子线包括：沿着所述第二端至所述第三端设置的第一虚拟子线，以及沿着所述第二端至所述第四端设置的第二虚拟子线。
 有益效果
本申请提供一种触控显示面板，信号传输线对应一触控单元的部分在触控电极布线层上的正投影与相应触控单元部分重叠，从而可以减小信号传输线与触控单元的正对面积，进而避免了由于颗粒而导致信号传输线与触控单元短路导致的触控异常。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的触控显示面板的俯视结构示意图；
图2为图1中信号传输线以及子像素在区域A的放大示意图；
图3为图1中触控单元以及子像素在区域A的第一种放大示意图；
图4为图1中信号传输线、触控单元以及子像素在区域A的放大示意图；
图5为沿着图4中的A1A1线的剖视图；
图6为图1中触控单元以及子像素在区域A的第二种放大示意图；
图7为图1中触控单元以及子像素在区域A的第三种放大示意图；
图8为图1中触控单元以及子像素在区域A的第四种放大示意图；
图9为图1中信号传输线以及子像素在区域A的另一放大示意图；
图10为图1中触控单元以及子像素在区域A的第五种放大示意图；
图11为图1中触控单元以及子像素在区域A的第六种放大示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请的一部实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参阅图1，图1为本申请实施例提供的触控显示面板的俯视结构示意图。如图1所示，本申请实施例提供的触控显示面板1包括触控电极布线层10以及信号传输布线层20。需要说明的是，图1所示实施例中，触控电极布线层10设置在传输布线层20上。在一些实施例中，也可以信号传输布线层20设置在触控电极布线层上。也即，触控电极布线层10设置在信号传输布线层20的一侧。
触控电极布线层10包括多个呈阵列排布的触控单元101。信号传输布线层20包括沿列方向延伸的多条信号传输线201。在信号传输线201的延伸方向上，每一信号传输线201均与一个触控单元101电性连接，与其余触控单元101绝缘。需要说明的是，在本申请实施例中，列方向指的是平行于数据信号线的延伸方向，行方向指的是平行于扫描信号线的延伸方向。其中，信号传输线201对应一触控单元101的部分在触控电极布线层10上的正投影与相应触控单元101部分重叠。
具体的，触控电极布线层10包括沿着列方向设置的M行触控单元101以及沿着行方向设置的N列触控单元101。信号传输布线层20包括沿列方向延伸的M*N条信号传输线201。每列触控单元101具有M条信号传输线201。其中，在第1列触控单元101中，第1条信号传输线201与第1行触控单元101至第M行触控单元101对应，且第1条信号传输线201与第1行触控单元101电性连接，与其余触控单元101绝缘。在第1列触控单元101中，第2条信号传输线201与第2行触控单元101至第M行触控单元101对应，且第2条信号传输线201与第2行触控单元101电性连接，与其余触控单元101绝缘。以此类推，在第1列触控单元101中，第M条信号传输线201与第M行触控单元101对应，且第M条信号传输线201与第M行触控单元101电性连接。
可以理解的是，同一列触控单元101的M条信号传输线201中，一信号传输线201与一行触控单元101电性连接，从而将各行触控单元101的触控信号分别引出。
需要说明的是，本申请实施例提供的触控显示面板1存在多处与区域A相同设置的区域，比如图1所示的区域B、区域C等，在此不做赘述。
请参阅图2，图2为图1中信号传输线以及子像素在区域A的放大示意图。
如图2所示，信号传输线201包括电性连接的多条信号传输子线2011。多条信号传输子线2011呈网格状分布。信号传输子线2011设置在两个子像素30之间，一信号传输线201包括多个子像素30之间的信号传输子线2011。也即，每一信号传输子线2011均围绕一子像素30设置。
请参阅图3，图3为图1中触控单元以及子像素在区域A的第一种放大示意图。如图3所示，触控单元101包括电性连接的多条触控单元走线1011。触控单元走线1011设置在两个子像素30之间，一个触控单元101包括多个子像素30之间的触控单元走线1011。当按压触控显示面板1时，一个触控单元内101的触控单元走线1011分布越密集，电容变化越大，越容易检测到触控信号。
在本申请实施例中，在信号传输线201的延伸方向上，信号传输线201在与其电性连接的触控单元101上的正投影与触控单元101在此处的触控单元走线1011一一对应重叠。由于在信号传输线201的延伸方向上，信号传输线201需要与对应的触控单元101电性连接，故本申请实施例通过将信号传输线201在与其电性连接的触控单元101上的正投影与触控单元101在处的触控单元走线1011一一对应重叠，从而可以使得在处信号传输线能够与触控单元更好的电性连接。
在本申请实施例中，多个子像素30呈阵列排布设置；触控单元走线1011位于相邻子像素30之间。信号传输子线2011位于相邻子像素30之间。
结合图1、图3所示，在本申请实施例中，触控电极布线层10包括第一投影区域100。第一投影区域100为信号传输线201在触控电极布线层10上的正投影对应的投影区域。第一投影区域100包括至少一与201信号传输线绝缘的触控单元101对应设置的第二投影区域202。第二投影区域202将触控单元101划分为第一部分102和第二部分103。具体的，在区域A上，信号传输线201在触控单元101上的正投影对应的第二投影区域202将触控单元101划分为第一部分102和第二部分103。
其中，触控单元101包括布线区2023以及空白区2022，布线区2023上设置有用于电性连接第一部分102和第二部分103的触控单元走线1011；在空白区2022上，触控单元101未设置触控单元走线1011。
其中，第二投影区域202包括多个相互连接的投影子区域2021。每一投影子区域2021均围绕一子像素30设置。每一投影子区域2021均对应一子像素30设置。部分投影子区域2021与空白区2022对应设置，部分投影子区域2021与布线区2023对应设置。也即，部分投影子区域2021上未设置触控单元走线1011，部分投影子区域2021上设置有用于电性连接第一部分102和第二部分103的触控单元走线1011。
也即，本申请实施例通过在部分投影子区域2021上未设置触控单元走线1011，部分投影子区域2021上设置有用于电性连接第一部分102和第二部分103的触控单元走线，从而可以减小信号传输线201与触控单元101的正对面积，进而避免了由于颗粒而导致信号传输线201与触控单元101短路导致的触控异常。
具体的，每一子像素30均包括沿着行方向相对设置的第一端a和第二端b，以及沿着列方向相对设置的第三端c和第四端d。其中，在设置有触控单元走线1011的投影子区域2021上，触控单元101包括沿着第一端a至第三端c设置的第一触控单元走线。也即，在布线区2023上，触控单元101包括沿着第一端a至第三端c设置的第一触控单元走线。在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第三端c至第二端b设置的第二触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第三端c至第二端b设置的第二触控单元走线。
第一触控单元走线的一端与第一部分102连接，第一触控单元走线的另一端与第二触控单元走线的一端连接，第二触控单元走线的另一端与第二部分103连接。也即，在部分投影子区域2021上，触控单元101仅仅设置第一触控单元走线和第二触控单元走线。
可以理解的，触控单元101包括多条沿第一方向排布的触控单元线101A，触控单元线101A之间通过触控连接线101B电连接；信号传输线201设置在相邻两条触控单元线101A之间，并与相邻两条触控单元线101A之间的触控连接线101B部分重叠。
触控显示面板1包括多个呈阵列排布设置的子像素30，信号传输线201包括多个电性连接的信号传输子线2011，每一信号传输子线2011均围绕一子像素30设置。
每一子像素30均包括沿着第一方向相对设置的第一端a和第二端b，以及沿着第二方向相对设置的第三端c和第四端d；触控连接线101B包括沿着第一端a至第三端c设置的第一触控连接子线以及沿着第三端c至第二端b设置的第二触控连接子线；其中，第一触控连接子线的一端与位于触控连接线101B一侧的触控单元线101A连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于触控连接线101B另一侧的触控单元线101A连接。
进一步的，请参阅图4、图5。图4为图1中信号传输线、触控单元以及子像素在区域A的放大示意图。图5为沿着图4中的A1A1线的剖视图。结合图4、图5所示，触控显示面板1包括基底80。基底80可以为柔性基底，也可以为硬质基底。柔性基底的材料可以为聚酰亚胺，硬质基底的材料可以为玻璃。
基底80上具有平坦化层70。平坦化层70远离基底80的一侧具有若干第一电极31。第一电极31以及平坦化层70上设置有像素定义层60。像素定义层60具有若干暴露第一电极31的开口。开口内设置有发光块32。发光块32以及像素定义层60上设置有第二电极33。第一电极31、发光块32以及第二电极33形成子像素30。其中，多个子像素30呈阵列式排布设置。
发光块32可以为红、绿或蓝，也可以为红、绿、蓝或白。红绿蓝三基色或红绿蓝白四基色的子像素30交替分布。发光块32的材料可以为有机发光材料。
第一电极31可以为阳极，材料可以为透光材料或反光材料。透光材料可以为氧化铟锡(ITO)、铟锌氧化物(IZO)以及氧化铟镓锌(IGZO)中的至少一种。反光材料可以为包括银(Ag)及其合金、铝(Al)及其合金，例如银(Ag)、银和铅的合金(Ag：Pb)、铝和钕的合金(Al：Nd)、银铂铜的合金(Ag：Pt：Cu)等。
第二电极33可以为阴极，材料可以为具有部分透光、部分反光功能的材料(半透半反材料)或反光材料。半透半反材料可以包括：镁、银、铝中的至少一种，例如为：镁与银的混合物或铝与银的混合物。透光材料可以为氧化铟锡(ITO)、铟锌氧化物(IZO)以及氧化铟镓锌(IGZO)中的至少一种。换言之，OLED显示面板1可以为顶发光结构，也可以为底发光结构，本实施例对此并不加以限定。
其中，各个子像素30的第二电极33可以连接成一面电极，以方便第二电极33的供电。
在一些实施例中，子像素30的发光方式可以为主动驱动发光(Active Matrix，AM)。主动驱动发光方式也称有源驱动方式，由像素驱动电路控制子像素的发光。因而，第一电极31与基底80之间可以设置有像素驱动电路。像素驱动电路可以包括若干晶体管以及存储电容，其中一晶体管的漏极与第一电极电连接。例如2T1C结构的像素驱动电路，包括：开关晶体管、驱动晶体管以及存储电容。
开关晶体管的栅极与一扫描信号线电性连接，扫描信号为开启电压时，开关晶体管将一数据信号线上的数据信号保持在存储电容的一个极板；扫描信号为关断电压时，存储电容上保持的数据信号保持驱动晶体管打开，使得一电源信号线上的电源信号对子像素30的第一电极31持续供电。
第二电极33远离基底80的一侧可以设置有封装层50。例如，封装层50可以为TFE薄膜。封装层50可以包括：若干有机封装层、无机封装层的交叠结构。
封装层50远离基底80的一侧可以设置触控电极布线层10。对于自容式结构的触控层，可以包括：触控电极布线层10与信号传输布线层20。触控电极布线层10与信号传输布线层20位于不同层，两者之间通过绝缘层40绝缘。
需要说明的是，图5所示实施例中，触控电极布线层10靠近基底80，信号传输布线层20远离基底80。在一些实施例中，也可以信号传输布线层20靠近基底80，触控电极布线层10远离基底80。
在本申请实施例中，触控电极布线层10和信号传输布线层20的材料为不透光金属，例如金属钼。因而，触控电极布线层10和信号传输布线层20设置在相邻子像素30之间。在一些实施例中，触控电极布线层10和信号传输布线层20的材料也可以为透光导电材料，例如氧化铟锡(ITO)、铟锌氧化物(IZO)以及氧化铟镓锌(IGZO)中的至少一种。
在一种实施方式中，请参阅图6，图6为图1中触控单元以及子像素在区域A的第二种放大示意图。图6所示的放大示意图与图3所示的放大示意图的区别在于：在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。
可以理解的，触控连接线101B还包括沿着第一端a至第四端d设置的第三触控连接子线。
在一种实施方式中，请参阅图7，图7为图1中触控单元以及子像素在区域A的第三种放大示意图。图7所示的放大示意图与图3所示的放大示意图的区别在于：在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第四端d至第二端b设置的第四触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第四端d至第二端b设置的第四触控单元走线。
可以理解的，触控连接线101B还包括沿着第四端d至第二端b设置的第四触控连接子线。
在一种实施方式中，请参阅图8，图8为图1中触控单元以及子像素在区域A的第四种放大示意图。图8所示的放大示意图与图3所示的放大示意图的区别在于：在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第四端d至第二端b设置的第四触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第四端d至第二端b设置的第四触控单元走线。
可以理解的，触控连接线101B还包括沿着第一端a至第四端d设置的第三触控连接子线以及沿着第四端d至第二端b设置的第四触控连接子线。
请参阅图9，图10，图9为图1中信号传输线以及子像素在区域A的另一放大示意图。图10为图1中触控单元以及子像素在区域A的第五种放大示意图。需要说明的是，本申请实施例提供的触控显示面板1存在多处与区域A相同设置的区域，比如图1所示的区域B、区域C等，在此不做赘述。
如图9所示，信号传输线201包括电性连接的多条信号传输子线2011。信号传输子线2011呈折线状分布。信号传输子线2011设置在两个子像素30之间，一信号传输线201包括多个子像素30之间的信号传输子线2011。也即，每一信号传输子线2011均部分围绕一子像素30设置。
如图10所示，触控单元101包括电性连接的多条触控单元走线1011。触控单元走线1011设置在两个子像素30之间，一个触控单元101包括多个子像素30之间的触控单元走线1011。当用于按压触控显示面板1时，一个触控单元101内的触控单元走线1011分布越密集，电容变化越大，越容易检测到触控信号。
结合图1、图9、图10所示,在本申请实施例中，触控电极布线层10包括第一投影区域100。第一投影区域100为信号传输线201在触控电极布线层10上的正投影对应的投影区域。第一投影区域100包括至少一与201信号传输线绝缘的触控单元101对应设置的第二投影区域202。第二投影区域202将触控单元101划分为第一部分102和第二部分103。具体的，在区域A上，信号传输线201在触控单元101上的正投影对应的第二投影区域202将触控单元101划分为第一部分102和第二部分103。
其中，触控单元101包括布线区2023以及空白区2022，布线区2023上设置有用于电性连接第一部分102和第二部分103的触控单元走线1011；在空白区2022上，触控单元101未设置触控单元走线1011。
其中，第二投影区域202包括多个相互连接的投影子区域2021。每一投影子区域2021均半围绕一子像素30设置。每一投影子区域2021均对应一子像素30设置。部分投影子区域2021与空白区2022对应设置，部分投影子区域2021与布线区2023对应设置。也即，部分投影子区域2021上未设置触控单元走线1011，部分投影子区域2021上设置有用于电性连接第一部分102和第二部分103的触控单元走线1011。
也即，本申请实施例通过在部分投影子区域2021上未设置触控单元走线1011，部分投影子区域2021上设置有用于电性连接第一部分102和第二部分103的触控单元走线1011，从而可以减小信号传输线201与触控单元101的正对面积，进而避免了由于颗粒而导致信号传输线201与触控单元101短路导致的触控异常。
具体的，每一子像素30均包括沿着行方向相对设置的第一端a和第二端b，以及沿着列方向相对设置的第三端c和第四端d。其中，在设置有触控单元走线1011的投影子区域2021上，触控单元101包括沿着第一端a至第三端c设置的第一触控单元走线。也即，在布线区2023上，触控单元101包括沿着第一端a至第三端c设置的第一触控单元走线。
第一触控单元走线的一端与第一部分102连接，第一触控单元走线的另一端与第二部分103连接。也即，在部分投影子区域2021上，触控单元101仅仅设置第一触控单元走线1011。
可以理解的，可以理解的，触控单元101包括多条沿第一方向排布的触控单元线101A，触控单元线101A之间通过触控连接线101B电连接；信号传输线201设置在相邻两条触控单元线101A之间，并与相邻两条触控单元线101A之间的触控连接线101B部分重叠。
触控显示面板1包括多个呈阵列排布设置的子像素30，信号传输线201包括多个电性连接的信号传输子线2011，每一信号传输子线2011均部分围绕一子像素30设置。
每一子像素30均包括沿着第一方向相对设置的第一端a和第二端b，以及沿着第二方向相对设置的第三端c和第四端d；触控连接线101B包括沿着第一端a至第三端c设置的第一触控连接子线以及沿着第三端c至第二端b设置的第二触控连接子线；其中，第一触控连接子线的一端与位于触控连接线101B一侧的触控单元线101A连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于触控连接线101B另一侧的触控单元线101A连接；触控连接线101B与信号传输子线2011部分重叠设置。
进一步的，触控单元101还包括设置在相邻触控单元线101A之间的虚拟子线101C。虚拟子线101C的一端与触控单元线101A电连接，其另一端靠近信号传输线201设置，且虚拟子线101C与信号传输线201不存在重叠部分。
信号传输子线2011包括：沿着第一端a至第三端c设置的第一信号传输子线以及沿着第一端a至第四端d设置的第二信号传输子线；所述虚拟子线101C包括：沿着第二端b至第三端c设置的第一虚拟子线，以及沿着第二端b至第四端d设置的第二虚拟子线。
在一种实施方式中，请参阅图11，图11为图1中触控单元以及子像素在区域A的第六种放大示意图。图11所示的放大示意图与图10所示的放大示意图的区别在于：在设置有触控单元走线1011的投影子区域2021上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。也即，在布线区2023上，触控单元101还包括沿着第一端a至第四端d设置的第三触控单元走线。
可以理解的，信号传输子线2011包括沿着第一端a至第三端c设置的第一信号传输子线以及沿着第一端a至第四端d设置的第二信号传输子线；触控连接线101B还包括沿着第一端a至第四端d设置的第三触控连接子线以及沿着第二端b至第四端d设置的第四触控连接子线。也即，本申请实施例可以充分利用布线空间，从而可以提高触控效果。
本申请实施例还提供一种触控显示装置，其包括以上任一实施例所述的触控显示面板，具体可参照以上所述，在此不做赘述。
以上对本申请提供的触控显示面板及触控显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种触控显示面板，其包括：
    信号传输布线层，所述信号传输布线层包括多条信号传输线，多条所述信号传输线沿第一方向排布，且每条所述信号传输线沿第二方向延伸；以及，
    触控电极布线层，所述触控电极布线层设置在所述信号传输布线层的一侧，所述触控电极布线层包括多个呈阵列排布的触控单元；其中，
    所述信号传输线对应一所述触控单元的部分在所述触控电极布线层上的正投影与相应所述触控单元部分重叠。
  2. 根据权利要求1所述的触控显示面板，其中，所述触控单元包括多条沿第一方向排布的触控单元线，相邻所述触控单元线之间通过触控连接线电连接；所述信号传输线设置在相邻两条所述触控单元线之间，并与相邻两条所述触控单元线之间的所述触控连接线部分重叠。
  3. 根据权利要求2所述的触控显示面板，其中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均围绕一所述子像素设置。
  4. 根据权利要求3所述的触控显示面板，其中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；
    所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
    第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接。
  5. 根据权利要求4所述的触控显示面板，其中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线。
  6. 根据权利要求4所述的触控显示面板，其中，所述触控连接线还包括沿着所述第四端至所述第二端设置的第四触控连接子线。
  7. 根据权利要求4所述的触控显示面板，其中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线以及沿着所述第四端至所述第二端设置的第四触控连接子线。
  8. 根据权利要求2所述的触控显示面板，其中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均部分围绕一所述子像素设置。
  9. 根据权利要求8所述的触控显示面板，其中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；
    所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；
    第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接；所述触控连接线与所述信号传输子线部分重叠设置。
  10. 根据权利要求9所述的触控显示面板，其中，所述信号传输子线包括沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
    所述触控连接线还包括沿着所述第二端至所述第四端设置的第四触控连接子线。
  11. 根据权利要求8所述的触控显示面板，其中，所述触控单元还包括设置在相邻触控单元线之间的虚拟子线，所述虚拟子线的一端与所述触控单元线电连接，其另一端靠近所述信号传输线设置，且所述虚拟子线与所述信号传输线不存在重叠部分。
  12. 根据权利要求11所述的触控显示面板，其中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；
    所述信号传输子线包括：沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
    所述虚拟子线包括：沿着所述第二端至所述第三端设置的第一虚拟子线，以及沿着所述第二端至所述第四端设置的第二虚拟子线。
  13. 一种触控显示面板，其包括：
    信号传输布线层，所述信号传输布线层包括多条信号传输线，多条所述信号传输线沿第一方向排布，且每条所述信号传输线沿第二方向延伸；以及，
    触控电极布线层，所述触控电极布线层设置在所述信号传输布线层的一侧，所述触控电极布线层包括多个呈阵列排布的触控单元；其中，
    所述信号传输线对应一所述触控单元的部分在所述触控电极布线层上的正投影与相应所述触控单元部分重叠；
    在所述第二方向上，每一所述信号传输线均与一个所述触控单元电性连接，与其余所述触控单元绝缘。
  14. 根据权利要求13所述的触控显示面板，其中，所述触控单元包括多条沿第一方向排布的触控单元线，相邻所述触控单元线之间通过触控连接线电连接；所述信号传输线设置在相邻两条所述触控单元线之间，并与相邻两条所述触控单元线之间的所述触控连接线部分重叠。
  15. 根据权利要求14所述的触控显示面板，其中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均围绕一所述子像素设置。
  16. 根据权利要求15所述的触控显示面板，其中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；
    所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；
    第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接。
  17. 根据权利要求16所述的触控显示面板，其中，所述触控连接线还包括沿着所述第一端至所述第四端设置的第三触控连接子线。
  18. 根据权利要求14所述的触控显示面板，其中，所述触控显示面板包括多个呈阵列排布设置的子像素，所述信号传输线包括多个电性连接的信号传输子线，每一所述信号传输子线均部分围绕一所述子像素设置。
  19. 根据权利要求18所述的触控显示面板，其中，每一所述子像素均包括沿着第一方向相对设置的第一端和第二端，以及沿着第二方向相对设置的第三端和第四端；
    所述触控连接线包括沿着所述第一端至所述第三端设置的第一触控连接子线以及沿着所述第三端至所述第二端设置的第二触控连接子线；其中，
    第一触控连接子线的一端与位于所述触控连接线一侧的所述触控单元线连接，第一触控连接子线的另一端与第二触控连接子线的一端连接，第二触控连接子线的另一端与位于所述触控连接线另一侧的所述触控单元线连接；所述触控连接线与所述信号传输子线部分重叠设置。
  20. 根据权利要求19所述的触控显示面板，其中，所述信号传输子线包括沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
    所述触控连接线还包括沿着所述第二端至所述第四端设置的第四触控连接子线；
    所述信号传输子线包括：沿着所述第一端至所述第三端设置的第一信号传输子线以及沿着所述第一端至所述第四端设置的第二信号传输子线；
    所述虚拟子线包括：沿着所述第二端至所述第三端设置的第一虚拟子线，以及沿着所述第二端至所述第四端设置的第二虚拟子线。
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CN107301001A (zh) * 2017-07-31 2017-10-27 上海中航光电子有限公司 基板、显示面板和显示装置
CN107491213A (zh) * 2017-08-28 2017-12-19 厦门天马微电子有限公司 显示面板和显示装置
CN111665999A (zh) * 2020-07-29 2020-09-15 京东方科技集团股份有限公司 显示装置及其自容式触控面板
CN112764284A (zh) * 2021-02-07 2021-05-07 Tcl华星光电技术有限公司 阵列基板及显示面板

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