WO2019144573A1 - 触控显示面板及其制备方法、驱动方法、触控显示装置 - Google Patents

触控显示面板及其制备方法、驱动方法、触控显示装置 Download PDF

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Publication number
WO2019144573A1
WO2019144573A1 PCT/CN2018/094953 CN2018094953W WO2019144573A1 WO 2019144573 A1 WO2019144573 A1 WO 2019144573A1 CN 2018094953 W CN2018094953 W CN 2018094953W WO 2019144573 A1 WO2019144573 A1 WO 2019144573A1
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Prior art keywords
electrodes
driving
cathode
sub
sensing
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PCT/CN2018/094953
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English (en)
French (fr)
Inventor
文国哲
王冰
许�鹏
李源规
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云谷(固安)科技有限公司
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Priority to US16/496,308 priority Critical patent/US20200348782A1/en
Publication of WO2019144573A1 publication Critical patent/WO2019144573A1/zh
Priority to US16/913,462 priority patent/US11119619B2/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40OLEDs integrated with touch screens
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/60Forming conductive regions or layers, e.g. electrodes
    • H10K71/611Forming conductive regions or layers, e.g. electrodes using printing deposition, e.g. ink jet printing
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/621Providing a shape to conductive layers, e.g. patterning or selective deposition
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/1201Manufacture or treatment
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals

Definitions

  • the present application relates to the field of display technologies, and in particular, to a touch display panel, a method for fabricating the same, a driving method, and a touch display device.
  • the touch display panel integrates the touch screen and the flat display panel to enable the flat display panel to have a touch function.
  • the touch display panel can provide a human-machine interaction interface, and allows input through fingers, a stylus, etc., and is more direct and more user-friendly in use.
  • touch display panels are increasingly being used in various display devices.
  • the touch display panel usually includes a sensing electrode and a driving electrode.
  • the sensing electrode and the driving electrode are prepared, they can usually be prepared by a mask process.
  • the main purpose of the present application is to provide a touch display panel, a method for fabricating the same, a driving method, and a touch display device, which are intended to solve the problem of requiring a multi-mask process when preparing a touch display panel.
  • the preparation method of the touch display panel is complicated.
  • the touch display panel comprises: a cathode, wherein:
  • the cathode includes a plurality of sensing electrodes and a plurality of driving electrodes crossing the plurality of sensing electrodes;
  • Each of the sensing electrodes includes a plurality of sensing sub-electrodes connected in series
  • each of the driving electrodes includes a plurality of driving sub-electrodes connected in series.
  • Each of the sensing sub-electrodes has a strip-shaped grid shape
  • each of the driving sub-electrodes has a strip-shaped grid shape
  • Each of the sensing sub-electrodes has a diamond-shaped mesh shape
  • each of the driving sub-electrodes has a diamond-shaped mesh shape
  • the touch display panel further includes: an anode and an organic light emitting layer, the organic light emitting layer covers the anode, and the cathode covers the organic light emitting layer, wherein:
  • the organic light emitting layer includes a plurality of contact holes, and the cathode is connected to the anode through the plurality of contact holes.
  • two adjacent sensing sub-electrodes are connected by the anode between the contact holes corresponding to the positions
  • two adjacent driving sub-electrodes are connected by the anode between the contact holes corresponding to the positions.
  • two adjacent sensing sub-electrodes are connected by the anode between the contact holes corresponding to the positions, and two adjacent driving sub-electrodes pass the cathode between the adjacent two driving sub-electrodes connection.
  • adjacent two sensing sub-electrodes are connected through the cathode between the adjacent two sensing sub-electrodes, and two adjacent driving sub-electrodes pass through the anode corresponding to the position between the contact holes. connection.
  • the cathode is covered with a conductive material at a position of the contact hole.
  • the electrically conductive material has a resistivity lower than a resistivity of the cathode and the anode.
  • the conductive material is a silver paste.
  • the sensing sub-electrode and the driving sub-electrode cross each other and are not in contact with each other, and the sensing sub-electrode is connected to a plurality of pixels, and the driving sub-electrode is connected to the plurality of pixels.
  • a method for preparing a touch display panel comprising:
  • a plurality of sensing sub-electrodes connected in series are included, and each of the driving electrodes includes a plurality of driving sub-electrodes connected in sequence.
  • the method before performing laser laser on the cathode, the method further includes:
  • a cathode is deposited on the organic light-emitting layer, and the cathode is connected to the anode at the contact hole.
  • performing laser drilling on the organic light-emitting layer to form a contact hole comprises: predetermining a position where the contact hole needs to be formed according to an electrode pattern prepared in advance, and then determining a position by laser drilling.
  • the organic light-emitting layer penetrates to form the contact hole at the penetrated position.
  • performing laser laser on the cathode included in the touch display panel to obtain a plurality of sensing electrodes and a plurality of driving electrodes including: laser laser to the cathode, and connecting directions along the sensing sub-electrodes, each of two One contact hole is a group, laser laser is performed at two positions of the cathode portion between each group of contact holes, and the cathode portion between the two positions is a driving sub-electrode, and the cathode portion between each group of contact holes is Sensing sub-electrode.
  • performing laser laser on the cathode included in the touch display panel to obtain a plurality of sensing electrodes and a plurality of driving electrodes including: connecting directions of the driving sub-electrodes, each of the two contact holes being a group Laser laser is performed at a position of the cathode portion between each set of contact holes, and the cathode portion between the adjacent two sets of contact holes is a drive sub-electrode.
  • the method further includes:
  • a conductive material having a lower resistivity than the anode and the cathode is formed at the contact hole of the cathode.
  • Silver paste is printed at the contact hole of the cathode.
  • a driving method of the touch display panel includes: a display driving phase and a touch driving phase, wherein:
  • a touch driving signal is provided to the driving electrode, and a touch sensing signal of the sensing electrode is detected.
  • a touch display device includes the touch display panel.
  • the touch display panel provided by the embodiment of the present application includes a cathode, and the cathode includes a plurality of sensing electrodes and a plurality of driving electrodes crossing the plurality of sensing electrodes; each of the sensing electrodes includes a plurality of sequentially connected The sensing sub-electrodes, each of the driving electrodes comprising a plurality of driving sub-electrodes connected in series.
  • the cathode of the touch display panel includes the sensing electrode and the driving electrode, the sensing electrode and the driving electrode can be prepared in the cathode, and the single film is not separately prepared by the mask process as compared with the prior art.
  • the layered sensing and driving electrodes can simplify the process.
  • the sensing electrodes and the driving electrodes of the touch display panel are both included in the cathode, the structure of the touch display panel is simpler, and the integration of touch and display in the touch display panel is easy to implement.
  • FIG. 1 is a side view of a touch display panel according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a touch electrode according to an embodiment of the present application.
  • FIG. 3 is a side view of another touch display panel according to an embodiment of the present application.
  • FIG. 4 is a side view of still another touch display panel according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a method for fabricating a touch display panel according to an embodiment of the present application.
  • the embodiment of the present invention provides a touch display panel, a method for fabricating the same, a driving method, and a touch display device.
  • the touch display panel includes a cathode, wherein the cathode includes a plurality of sensing electrodes. And a plurality of driving electrodes crossing the plurality of sensing electrodes; each of the sensing electrodes includes a plurality of sensing sub-electrodes sequentially connected, and each of the driving electrodes includes a plurality of driving sub-electrodes connected in sequence.
  • the cathode of the touch display panel includes the sensing electrode and the driving electrode
  • the sensing electrode and the driving electrode can be prepared in the cathode, and the single film is not separately prepared by the mask process as compared with the prior art.
  • the layered sensing and driving electrodes can simplify the process.
  • the sensing electrodes and the driving electrodes of the touch display panel are both included in the cathode, the structure of the touch display panel is simpler, and the integration of touch and display in the touch display panel is easy to implement.
  • the touch display panel provided by the embodiment of the present invention may be an in-cell touch display panel, wherein the touch electrodes may be integrated in the cathode of the touch display panel.
  • a laser laser process is used to replace the traditional mask process to prepare a touch electrode, which can effectively simplify the preparation process of the touch display panel, and can also avoid water vapor and the like on the touch display panel during the mask process. Damage.
  • FIG. 1 is a side view of a touch display panel according to an embodiment of the present application.
  • the touch display panel is as follows.
  • the touch display panel may include a cathode 11
  • the cathode 11 includes a plurality of sensing electrodes and a plurality of driving electrodes
  • the plurality of sensing electrodes and the plurality of driving electrodes cross each other and are not in direct contact with each other.
  • Each of the sensing electrodes may include a plurality of sensing sub-electrodes 111 connected in series
  • each of the driving electrodes may include a plurality of driving sub-electrodes 112 connected in series.
  • the ellipsis shown in FIG. 1 can be used to represent a plurality of pixels, that is, the driving sub-electrode 112 can be connected to a plurality of pixels.
  • the sensing sub-electrode 112 can also be connected to a plurality of pixels, which is not shown in FIG.
  • the plurality of sensing sub-electrodes 111 and the plurality of driving sub-electrodes 112 can be obtained by laser laser patterning the cathode 11.
  • the laser can laser laser the position A and the position B of the cathode 11.
  • the cathode 11 can be disconnected at the position A and the position B.
  • the A position and the B position are located in the pixel.
  • the upper layer is defined to form the sensing sub-electrode 111 and the driving sub-electrode 112.
  • the sensing sub-electrode 111 and the driving sub-electrode 112 cross each other.
  • each of the sensing sub-electrodes 111 and the shape of each of the driving sub-electrodes may be in the form of a strip grid or a diamond grid. In other embodiments, the shape of each of the sensing sub-electrodes 111 and the shape of each of the driving sub-electrodes may also be rectangular grids or other shapes, which are not specifically limited herein.
  • the touch display panel shown in FIG. 1 may further include an organic light emitting layer 12 and an anode 13 , wherein the organic light emitting layer 12 may cover the anode 13 , and the cathode 11 may cover the organic light emitting layer 12 , wherein the organic light emitting layer A plurality of contact holes 121 may also be included in the 12, and the cathode 11 may be connected to the anode 13 at the position of the contact holes 121.
  • the plurality of contact holes 121 can also be obtained by laser drilling. Specifically, the organic light-emitting layer 12 can be laser-punched at a plurality of positions covering the anode 13 and the organic light-emitting layer 12 can be penetrated at the punched position. A plurality of contact holes 121 are formed.
  • the cathode 11 covers the organic light-emitting layer 12, since the organic light-emitting layer 12 is penetrated at the position of the contact hole 121, the cathode 11 can be positioned at the plurality of contact holes 121. It is connected to the anode 13.
  • the adjacent two sensing sub-electrodes 111 can pass through the corresponding contact holes 121 (ie, as shown in FIG. 1 ).
  • the anode 13 is connected between the two contact holes); for each of the driving electrodes, among the plurality of sequentially connected driving sub-electrodes 112, the adjacent two driving sub-electrodes 112 can pass the position corresponding The anode 13 is connected between the contact holes (not shown in Fig. 1).
  • FIG. 2 is a schematic structural diagram of a touch electrode according to an embodiment of the present application.
  • Figure 1 may be a side view of Figure 2 along the dashed line M.
  • the touch electrode may include a plurality of sensing electrodes 21 and a plurality of driving electrodes 22, wherein the sensing electrodes 21 may include a plurality of sensing sub-electrodes 211 (corresponding to the sensing sub-electrodes 111 shown in FIG. 1), and driving electrodes 22 may include a plurality of driving sub-electrodes 221 (corresponding to the driving sub-electrodes 112 shown in FIG. 1).
  • the two adjacent sensing sub-electrodes 211 in FIG. 2 they may be connected by a bridge 212, wherein the bridging 212 may correspond to the anode region 131 shown in FIG. 1, and the two ends A and B of the bridging 212 may be Corresponding to the contact holes 121 at both ends of the anode region 131 shown in FIG.
  • FIG. 3 may be a side view of FIG. 2 along the broken line L.
  • the bridge 222 shown in FIG. 2 may correspond to the anode region 31 shown in FIG. 3.
  • the two end points C and D of the bridge 222 may correspond to FIG.
  • Contact holes 32 are shown at both ends of the anode region 31. The meanings of other numbers in FIG. 3 can be seen in FIG. 1 .
  • the touch display panel provided by the embodiment of the present invention may also pass two adjacent sensing sub-electrodes. The positions correspond to the anode connections between the contact holes, and the adjacent two drive sub-electrodes are connected by a cathode between the two.
  • the adjacent two sensing sub-electrodes are connected to the anode between the contact holes corresponding to the positions, and the descriptions of FIG. 1 to FIG. 3 above may be referred to, and the description thereof will not be repeated here.
  • Adjacent two driving sub-electrodes are connected by a cathode between the two, in particular, when laser laser is applied to the cathode to prepare a driving electrode, the position of the driving sub-electrode in the cathode can be predetermined, and the two drivers are A portion of the cathode between the electrodes is laser lasered and a portion of the cathode is retained, and the remaining portion of the cathode can be used to connect adjacent two driver sub-electrodes. In this way, it is possible to achieve a cathode connection between two adjacent drive sub-electrodes.
  • FIG. 4 compared with FIG. 3, there is no contact hole at the 14 position in FIG. 4, and laser laser can be performed at two positions A and B when the laser 11 is shown in FIG. And, a portion of the cathode between the adjacent two driving sub-electrodes 112 is retained to achieve a cathode connection between the two adjacent driving sub-electrodes 112.
  • FIG. 4 For the meanings of other reference numerals in FIG. 4, reference may be made to FIG. 3, and the description is not repeated here.
  • the adjacent two sensing sub-electrodes may be connected by a cathode between the two, and the adjacent two moving sub-electrodes pass between the corresponding contact holes.
  • the anode is connected.
  • Two adjacent sensing sub-electrodes are connected by a cathode between the two.
  • the position of the sensing sub-electrode in the cathode can be determined in advance, and a part of the cathode between the two sensing sub-electrodes is laser-lasered, and one is retained.
  • the remaining portion of the cathode can be used to connect adjacent two sensing sub-electrodes. In this way, it is possible to achieve a cathode connection between two adjacent sensing sub-electrodes.
  • the conductive material 14 can also be printed on the cathode 11 in the touch display panel shown in FIG. 1. Specifically, the conductive material 14 can be printed on the cathode 11 at the position of the contact hole 121. Wherein, the resistivity of the conductive material may be lower than the resistivity of the cathode 11 and the anode 13, so that the impedance between the cathode 11 and the anode 13 at the contact hole 121 can be effectively reduced.
  • the conductive material may be a silver paste with better conductivity, or other viscous (printable) conductive material, which is not specifically limited herein.
  • the touch display panel provided by the embodiment of the present application includes a cathode, and the cathode includes a plurality of sensing electrodes and a plurality of driving electrodes crossing the plurality of sensing electrodes; each of the sensing electrodes includes a plurality of sequentially connected The sensing sub-electrodes, each of the driving electrodes comprising a plurality of driving sub-electrodes connected in series.
  • the cathode of the touch display panel includes the sensing electrode and the driving electrode, the sensing electrode and the driving electrode can be prepared in the cathode, and the single film is not separately prepared by the mask process as compared with the prior art.
  • the layered sensing and driving electrodes can simplify the process.
  • the sensing electrodes and the driving electrodes of the touch display panel are both included in the cathode, the structure of the touch display panel is simpler, and the integration of touch and display in the touch display panel is easy to implement.
  • the embodiment of the present invention provides a method for preparing a touch display panel, and the preparation method can be used to prepare the touch display panel according to the first embodiment.
  • the preparation method may include:
  • Laser laser is applied to the cathode included in the touch display panel to obtain a plurality of sensing electrodes and a plurality of driving electrodes, and the plurality of sensing electrodes and the plurality of driving electrodes cross each other.
  • the cathode in the touch display panel may be laser-lased.
  • the cathode may be laser-lased.
  • the region is interrupted to form a plurality of electrode patterns, thereby producing a plurality of sensing electrodes and a plurality of driving electrodes.
  • the plurality of sensing electrodes and the plurality of driving electrodes may cross each other.
  • the method before performing laser laser on the cathode, the method further includes:
  • a cathode is deposited on the organic light-emitting layer, and the cathode is connected to the anode at the contact hole.
  • the substrate may be a glass substrate, and the anode may be directly formed on the substrate, and then the organic light emitting layer may be deposited on the anode, wherein the organic light emitting layer may be an OLED organic light emitting layer Floor.
  • the organic light-emitting layer may be laser-punched to form the contact hole, wherein the contact hole may be used to connect the anode to the cathode to be prepared .
  • the position where the contact hole needs to be formed may be determined in advance according to an electrode pattern prepared in advance, and then the organic light-emitting layer of the determined position is penetrated by laser drilling to form a position at the penetration position. The contact hole.
  • a cathode may be deposited on the organic light-emitting layer such that the cathode may be in contact with the anode at the position of the contact hole.
  • a conductive material having a lower resistivity than the cathode and the anode may be formed at the contact hole of the cathode to reduce a cathode between the cathode and the anode at the contact hole.
  • the conductive material may be a silver paste having better conductivity, that is, a silver paste may be printed at the contact hole of the cathode.
  • the conductive material may also be other viscous conductive materials, which will not be exemplified herein.
  • FIG. 5 to FIG. 10 are schematic diagrams showing a method for fabricating a touch display panel according to an embodiment of the present application.
  • the anode 51 can be formed by an array process, wherein 52 in FIG. 5 can be a pixel defining layer, and pixels can be prepared in the pixel defining layer 52.
  • an organic light-emitting layer 61 may be prepared on the anode 51, wherein the organic light-emitting layer 61 may be an OLED organic light-emitting layer.
  • the organic light-emitting layer 61 can be laser-punched at a determined position to obtain two contact holes 71.
  • a cathode 81 may be deposited on the organic light-emitting layer 61, wherein the cathode 81 is connected to the anode 51 at the position of the two contact holes 71.
  • the silver paste 91 can be printed at the position of the two contact holes 71 of the cathode 81 to lower the impedance between the cathode 81 and the anode 51.
  • Step 6 As shown in FIG. 10, after determining the position at which the laser laser is required, the cathode 81 may be laser-laser at a determined position to form the sensing sub-electrode 101 and the driving sub-electrode 102, wherein the sensing sub-electrode The 101 and the driving sub-electrodes 102 cross each other and are not in contact with each other.
  • a plurality of sensing electrodes and a plurality of driving electrodes may be fabricated, wherein the plurality of sensing electrodes and the plurality of driving electrodes cross each other, and Each of the sensing electrodes may include a plurality of sensing sub-electrodes connected in series, and each of the driving electrodes may include a plurality of driving sub-electrodes connected in series.
  • connection structure between the sensing sub-electrodes and the connection structure between the driving sub-electrodes may include at least the following three types:
  • the first structure the adjacent two sensing sub-electrodes are connected by the anode between the contact holes corresponding to the positions, and the adjacent two driving sub-electrodes are connected by the anode between the contact holes corresponding to the positions;
  • two adjacent sensing sub-electrodes are connected by an anode between the corresponding contact holes, and two adjacent driving sub-electrodes are connected by a cathode between the two;
  • the third structure two adjacent sensing sub-electrodes are connected by a cathode between the two, and two adjacent driving sub-electrodes are connected through an anode between the corresponding contact holes.
  • the method may specifically include:
  • the anode can serve as a bridge between two adjacent sensing sub-electrodes, it can also serve as a bridge between two adjacent driving sub-electrodes, thus:
  • the position of the contact hole corresponding to each of the sensing sub-electrodes and each of the driving sub-electrodes may be determined according to a predetermined connection structure between the sensing sub-electrodes and a connection structure between the driving sub-electrodes (each sensing sub-electrode may correspond to Two contact holes, two contact holes may be located at two ends of the sensing sub-electrodes, each driving sub-electrode may correspond to two contact holes, two contact holes may be located at both ends of the driving sub-electrode), and the laser is at a certain position Punch to get the contact hole.
  • each of the two contact holes may be grouped, and laser laser is performed at two positions of the cathode portion between each group of contact holes, and the two positions are
  • the cathode portion is a driving sub-electrode
  • the cathode portion between each group of contact holes is a sensing sub-electrode
  • each of the two contact holes may also be a group, between each group of contact holes.
  • Laser laser is performed at one position of the cathode portion, and the cathode portion between the adjacent two sets of contact holes is a driving sub-electrode.
  • the touch electrode shown in FIG. 2 can be prepared.
  • the adjacent two sensing sub-electrodes are connected by the anode between the contact holes corresponding to the positions, and the adjacent two driving sub-electrodes are in contact with each other through the position. Anode connection between the holes.
  • the driving sub-electrode can also be prepared according to the method for preparing the sensing sub-electrode described above, and the sensing sub-electrode is prepared according to the method for preparing the driving sub-electrode, so that the touch electrode of the first structure can also be obtained.
  • the electrode structure of the touch electrode is opposite to the electrode structure shown in FIG. 2, that is, the sensing sub-electrode shown in FIG. 2 is a driving sub-electrode of the touch electrode, and the driving sub-electrode shown in FIG. 2 is the touch electrode. Sensing sub-electrode.
  • the method may specifically include:
  • the cathode can serve as a bridge between two adjacent driving sub-electrodes, thus:
  • the sensing sub-electrode When preparing the sensing sub-electrode, it can be prepared according to the preparation method described in the first structure above;
  • the method may specifically include:
  • the cathode can serve as a bridge between two adjacent sensing sub-electrodes
  • the anode can serve as a bridge between two adjacent driving sub-electrodes
  • the preparation can be carried out according to the method for preparing the driving sub-electrode described in the second structure described above;
  • the driving sub-electrode it can be prepared by the method of preparing the driving sub-electrode described in the above first structure.
  • the adjacent two sensing sub-electrodes can be connected through the cathode between the two, and the adjacent two driving sub-electrodes are connected through the anode between the corresponding contact holes.
  • the method for preparing the touch display panel provided by the embodiment of the present invention can obtain the sensing electrode and the driving electrode by performing laser laser on the cathode of the touch display panel when preparing the touch display panel, compared with the prior art.
  • the sensing electrode and the driving electrode can be prepared by performing a laser laser process on the cathode. Therefore, the preparation process of the touch display panel can be simplified, and the preparation method is simpler.
  • the embodiment of the present invention provides a driving method of a touch display panel, and the driving method can be used to drive the touch display panel described in Embodiment 1 above.
  • one driving cycle of the driving method may include: a display driving phase and a touch driving phase, wherein:
  • a display driving signal may be supplied to the plurality of sensing electrodes and the plurality of driving electrodes included in the cathode, so that the cathode can be made to perform a display function in the display driving phase.
  • the touch driving signal can be provided to the driving electrode, and the touch sensing signal of the sensing electrode can be detected, so that the cathode can be touch-enabled during the touch driving phase.
  • the touch driving signal is not required to be provided to the sensing electrode, but the touch sensing signal sensed by the sensing electrode needs to be detected, so that the touch can be
  • the driving stage implements the touch function of the touch display panel.
  • the touch display device of the first embodiment described above may be included in the touch display device.

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Abstract

本申请公开一种触控显示面板及其制备方法、驱动方法、触控显示装置,该触控显示面板包括:阴极,其中,所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电极;每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。这样,由于触控显示面板的阴极中包含感应电极和驱动电极,因此,可以在阴极中制备得到感应电极和驱动电极,相较于现有技术而言,无需通过mask工艺单独制备包含多个膜层结构的感应电极和驱动电极,可以有效简化工艺流程。

Description

触控显示面板及其制备方法、驱动方法、触控显示装置 技术领域
本申请涉及显示技术领域,尤其涉及一种触控显示面板及其制备方法、驱动方法、触控显示装置。
背景技术
触控显示面板是将触控屏与平面显示面板整合在一起,以使平面显示面板具有触控功能。通常,触控显示面板可以提供人机互动界面,并允许通过手指、触控笔等执行输入,在使用上更直接、更人性化。随着显示技术的发展,触控显示面板被越来越多地应用于各种显示装置中。
触控显示面板中通常包含感应电极以及驱动电极,在对感应电极以及驱动电极进行制备时,通常可以采用mask(掩膜)工艺进行制备。
然而,在实际制备过程中,由于感应电极与驱动电极之间包含多个膜层结构,因此,需要多道mask工艺才可以制备得到感应电极以及驱动电极。这样,由于多道mask工艺的工序数目比较多,制备时间比较长,导致现有的触控显示面板的制备方法比较复杂。
发明内容
本申请的主要目的是提供一种触控显示面板及其制备方法、驱动方法、触控显示装置,旨在解决现有的对触控显示面板进行制备时,由于需要进行多道mask工艺,导致触控显示面板的制备方法比较复杂的问题。
为实现上述目的,本申请提出的触控显示面板,
触控显示面板,包括:阴极,其中:
所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电极;
每一个所述感应电极包括多个依次连接的感应子电极,每一个所述驱动电极包括多个依次连接的驱动子电极。
每一个所述感应子电极的形状为条形网格状,每一个所述驱动子电极的形状为条形网格状或者,
每一个所述感应子电极的形状为菱形网格状,每一个所述驱动子电极的形状为菱形网格状。
可选的,所述触控显示面板还包括:阳极和有机发光层,所述有机发光层覆盖于所述阳极上,所述阴极覆盖于所述有机发光层上,其中:
所述有机发光层中包含多个接触孔,所述阴极通过所述多个接触孔与所述阳极连接。
可选的,相邻两个感应子电极通过位置对应的所述接触孔之间的所述阳极连接,相邻两个驱动子电极通过位置对应的所述接触孔之间的所述阳极连接。
可选的,相邻两个感应子电极通过位置对应的所述接触孔之间的所述阳极连接,相邻两个驱动子电极通过所述相邻两个驱动子电极之间的所述阴极连接。
可选的,相邻两个感应子电极通过所述相邻两个感应子电极之间的所述阴极连接,相邻两个驱动子电极通过位置对应的所述接触孔之间的所述阳极连接。
可选的,所述阴极在所述接触孔的位置上覆盖有导电材料。
可选的,所述导电材料的电阻率低于所述阴极和阳极的电阻率。
可选的,所述导电材料为银浆。
可选的,所述感应子电极与驱动子电极相互交叉且互不接触,所述感应子电极与多个像素连接,所述驱动子电极与多个像素连接。
可选的,一种触控显示面板的制备方法,其中,包括:
对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,所述多个感应电极与所述多个驱动电极之间相互交叉,每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。
可选的,在对所述阴极进行激光镭射之前,所述方法还包括:
在基板上形成阳极;
在所述阳极上沉积有机发光层;
对所述有机发光层进行激光打孔,形成接触孔;
在所述有机发光层上沉积阴极,所述阴极在所述接触孔与所述阳极连接。
可选的,对所述有机发光层进行激光打孔,形成接触孔,包括:预先根据需要制备的电极图案确定需要形成所述接触孔的位置,然后通过激光打孔的方法将确定位置的所述有机发光层穿透,从而在所述穿透的位置形成所述接触孔。
可选的,所述对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,包括:对阴极进行激光镭射,沿感应子电极的连接方向,每两个接触孔为一组,在每组接触孔之间的阴极部分的两个位置处进行激光镭射,这两个位置之间的阴极部分为驱动子电极,每组接触孔之间的阴极部分为感应子电极。
可选的,所述对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,包括:沿驱动子电极的连接方向,每两个接触孔为一组,在每组接触孔之间的阴极部分的一个位置处进行激光镭射,相邻两组接触孔之间的阴极部分为驱动子电极。
可选的,在所述有机发光层上沉积阴极后,所述方法还包括:
在所述阴极的所述接触孔处形成电阻率低于所述阳极和所述阴极的导电材料。
在所述阴极的所述接触孔处打印银浆。
可选的,一种触控显示面板的驱动方法,包括:显示驱动阶段以及触控驱动阶段,其中:
在所述显示驱动阶段,向所述阴极中包含的多个感应电极以及多个驱动电极提供显示驱动信号;
在所述触控驱动阶段,向所述驱动电极提供触控驱动信号,并检测所述感应电极的触控感应信号。
可选的,一种触控显示装置,其中,包括所述的触控显示面板。
本申请实施例采用的上述至少一个技术方案能够达到以下有益效果:
本申请实施例提供的触控显示面板中包含阴极,所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电极;每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。这样,由于触控显示面板的阴极中包含感应电极和驱动电极,因此,可以在阴极中制备得到感应电极和驱动电极,相较于现有技术而言,无需通过mask工艺单独制备包含多个膜层结构的感应电极和驱动电极,可以有效简化工艺流程。
此外,由于触控显示面板的感应电极以及驱动电极均包含在阴极中,因此,该触控显示面板的结构更为简单,易于实现触控显示面板中触控与显示的集成。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术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,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本申请实施例提供的一种触控显示面板的侧视图;
图2为本申请实施例提供的一种触控电极的结构示意图;
图3为本申请实施例提供的另一种触控显示面板的侧视图;
图4为本申请实施例提供的又一种触控显示面板的侧视图;
图5至图10为本申请实施例提供的一种触控显示面板的制备方法的示意图。
本申请目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
为了解决上述技术问题,本申请实施例提供一种触控显示面板及其制备方法、驱动方法、触控显示装置,该触控显示面板包括:阴极,其中,所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电 极;每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。这样,由于触控显示面板的阴极中包含感应电极和驱动电极,因此,可以在阴极中制备得到感应电极和驱动电极,相较于现有技术而言,无需通过mask工艺单独制备包含多个膜层结构的感应电极和驱动电极,可以有效简化工艺流程。
此外,由于触控显示面板的感应电极以及驱动电极均包含在阴极中,因此,该触控显示面板的结构更为简单,易于实现触控显示面板中触控与显示的集成。
下面结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做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。
本申请实施例提供的触控显示面板可以是in-cell触控显示面板,其中,触控电极可以集成在所述触控显示面板的阴极中。
本申请实施例通过激光镭射工艺代替传统的mask工艺来制备触控电极,一方面可以有效简化触控显示面板的制备流程,另一方面还可以避免mask工艺过程中的水汽等对触控显示面板的损伤。
以下结合附图,详细说明本申请各实施例提供的技术方案。
实施例1
图1为本申请实施例提供的一种触控显示面板的侧视图。所述触控显示面板如下所述。
图1中,所述触控显示面板可以包含阴极11,阴极11中包含多个感应电极以及多个驱动电极,所述多个感应电极与所述多个驱动电极相互交叉,且互不直接接触。每一个所述感应电极可以包含多个依次连接的感应子电极111,每一个所述驱动电极可以包含多个依次连接的驱动子电极112。
图1所示的省略号可以用于表示多个像素,即驱动子电极112可以与多个像素连接。此外,感应子电极112也可以与多个像素连接,图1并未示出。多个感应子电极111以及多个驱动子电极112可以通过对阴极11进行激光镭射图案化得到。
如图1所示,激光可以对阴极11的位置A以及位置B进行激光镭射,在激光镭射后,可以将阴极11在位置A以及位置B处断开,具体来说A位置和B位置位于像素限定层上方,以形成感应子电极111以及驱动子电极112。其中,感应子电极111与驱动子电极112之间相互交叉。
本申请实施例中,每一个感应子电极111的形状以及每一个驱动子电极的形状可以均为条形网格状,也可以均为菱形网格状。在其他实施方式中,每一个感应子电极111的形状以及每一个驱动子电极的形状还可以均为矩形网格状或其他形状,这里不做具体限定。
图1所示的触控显示面板中还可以包含有机发光层12以及阳极13,其中,有机发光层12可以覆盖于阳极13上,阴极11可以覆盖于有机发光层12上,其中,有机发光层12中还可以包含多个接触孔121,在接触孔121的位置,阴极11可以与阳极13连接。
多个接触孔121也可以通过激光打孔的方式得到,具体地,可以对有机发光层12覆盖阳极13的多个位置进行激光打孔,并在打孔的位置将有机发光层12穿透,以形成多个接触孔121。
在形成多个接触孔121后,当阴极11覆盖于有机发光层12上时,由于有机发光层12在接触孔121的位置处被穿透,因此,阴极11可以在多个接触孔121的位置处与阳极13连接。
图1中,针对每一个所述感应电极而言,其包含的多个依次连接的感应子电极111中,相邻两个感应子电极111可以通过位置对应的接触孔121(即图1所示的两个接触孔)之间的阳极13连接;针对每一个所述驱动电极而言,其包含的多个依次连接的驱动子电极112中,相邻两个驱动子电极112可以通过位置对应的所述接触孔(图1中并未示出)之间的阳极13连接。
具体地,请参考图2。图2为本申请实施例提供的一种触控电极的结构示意图。图1可以是图2沿虚线M的侧视图。图2中,触控电极可以包含多个感应电极21以及多个驱动电极22,其中,感应电极21中可以包含多个感应子电极211(对应图1所示的感应子电极111),驱动电极22可以包含多个驱动子电极221(对应图1所示的驱动子电极112)。
针对图2中相邻的两个感应子电极211而言,可以通过架桥212连接,其中,架桥212可以对应图1所示的阳极区域131,架桥212的两个端点A和B可以对应 图1所示的阳极区域131两端的接触孔121。
针对图2中相邻的两个驱动子电极221而言,可以通过架桥222连接。结合图3,图3可以是图2沿虚线L的侧视图,图2所示的架桥222可以对应图3所示的阳极区域31,架桥222的两个端点C和D可以对应图3所示的阳极区域31两端的接触孔32。其中,图3中其他标号的含义可以参见图1。
需要说明的是,本申请实施例提供的所述触控显示面板中,除了图2所示的感应子电极111与驱动子电极112的连接结构外,也可以是相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过两者之间的阴极连接。
具体地,相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,可以参见上述图1至图3的描述,这里不再重复说明。
相邻两个驱动子电极通过两者之间的阴极连接,具体地,在对阴极进行激光镭射以制备得到驱动电极时,可以预先确定驱动子电极在阴极中的位置,并对两个驱动子电极之间的部分阴极进行激光镭射,并保留一份阴极,保留的这部分阴极可以用于连接相邻的两个驱动子电极。这样,可以实现相邻两个驱动子电极通过两者之间的阴极连接。
如图4所示,图4与图3相比,图4中的14位置处没有接触孔,在对图4所示的阴极11进行激光镭射时,可以在A和B两个位置进行激光镭射,且,保留相邻两个驱动子电极112之间的部分阴极,以实现相邻两个驱动子电极112通过两者之间的阴极连接。其中,图4中的其他标号的含义可以参考图3,这里不再重复描述。
此外,本申请实施例提供的所述触控显示面板中,还可以是相邻两个感应子电极通过两者之间的阴极连接,相邻两个动子电极通过位置对应的接触孔之间的阳极连接。
其中,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接,可以参见上述图1至图3的描述,这里也不再重复说明。
相邻两个感应子电极通过两者之间的阴极连接,具体地,可以预先确定感应子电极在阴极中的位置,并对两个感应子电极之间的部分阴极进行激光镭射,并保留一份阴极,保留的这部分阴极可以用于连接相邻的两个感应子电极。这样,可以实现相邻两个感应子电极通过两者之间的阴极连接。
本申请实施例中,图1所示的触控显示面板中还可以在阴极11上打印导电材料14,具体地,可以在阴极11在接触孔121的位置上打印导电材料14。其中,所述导电材料的电阻率可以低于阴极11和阳极13的电阻率,这样,可以有效降低接触孔121处的阴极11与阳极13之间的阻抗。
优选地,所述导电材料可以是导电性能较好的银浆,也可以是其他粘稠状(便于打印)的导电材料,这里不做具体限定。
本申请实施例提供的触控显示面板中包含阴极,所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电极;每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。这样,由于触控显示面板的阴极中包含感应电极和驱动电极,因此,可以在阴极中制备得到感应电极和驱动电极,相较于现有技术而言,无需通过mask工艺单独制备包含多个膜层结构的感应电极和驱动电极,可以有效简化工艺流程。
此外,由于触控显示面板的感应电极以及驱动电极均包含在阴极中,因此,该触控显示面板的结构更为简单,易于实现触控显示面板中触控与显示的集成。
实施例2
本申请实施例提供一种触控显示面板的制备方法,所述制备方法可以用于制备得到上述实施例1记载的所述触控显示面板。所述制备方法可以包括:
对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,所述多个感应电极与所述多个驱动电极之间相互交叉。
在本申请实施例中,在制备触控显示面板中的感应电极以及驱动电极时,可以对所述触控显示面板中的阴极进行激光镭射,具体地,可以通过激光镭射将所述阴极的部分区域打断,以形成多个电极图案,进而制作得到多个感应电极以及多个驱动电极。其中,所述多个感应电极以及所述多个驱动电极可以相互交叉。
本申请实施例中,在对所述阴极进行激光镭射之前,所述方法还包括:
在基板上形成阳极;
在所述阳极上沉积有机发光层;
对所述有机发光层进行激光打孔,形成接触孔;
在所述有机发光层上沉积阴极,所述阴极在所述接触孔与所述阳极连接。
具体地,所述基板可以是玻璃基板,在所述基板上可以直接形成所述阳极,之后,可以在所述阳极上沉积所述有机发光层,其中,所述有机发光层可以是OLED有机发光层。
在沉积得到所述有机发光层后,可以对所述有机发光层进行激光打孔,以形成所述接触孔,其中,所述接触孔可以用于将所述阳极与待制备的所述阴极相连。具体地,可以预先根据需要制备的电极图案确定需要形成所述接触孔的位置,然后通过激光打孔的方法将确定位置的所述有机发光层穿透,以便于在所述穿透的位置形成所述接触孔。
在激光打孔得到所述接触孔后,可以在所述有机发光层上沉积阴极,这样,所述阴极可以在所述接触孔的位置与所述阳极接触。
在沉积得到所述阴极后,还可以在所述阴极的所述接触孔处形成电阻率低于所述阴极和所述阳极的导电材料,以降低所述接触孔处的阴极与阳极之间的阻抗。优选地,所述导电材料可以是导电性能较好的银浆,即可以在所述阴极的所述接触孔处打印银浆。
应理解,所述导电材料还可以是其他粘稠状的导电材料,这里不再一一举例说明。
图5至图10为本申请实施提供的一种触控显示面板制备方法的示意图。
第一步:如图5所示,可以通过阵列工艺形成阳极51,其中,图5中的52可以为像素限定层,像素限定层52中可以制备得到像素。
第二步:如图6所示,可以在阳极51上制备得到有机发光层61,其中,有机发光层61可以是OLED有机发光层。
第三步:如图7所示,可以在确定的位置处对有机发光层61进行激光打孔,得到两个接触孔71。
第四步:如图8所示,可以在有机发光层61上沉积得到阴极81,其中,阴极81在两个接触孔71的位置处与阳极51连接。
第五步:如图9所示,可以在阴极81的两个接触孔71的位置上打印银浆91,以降低阴极81与阳极51之间的阻抗。
第六步:如图10所示,在确定需要进行激光镭射的位置后,可以在确定 的位置上对阴极81进行激光镭射,以形成感应子电极101以及驱动子电极102,其中,感应子电极101与驱动子电极102之间相互交叉,且互不接触。
本申请实施例中,基于上述图5至图10所示的步骤,可以制作得到多个感应电极和多个驱动电极,其中,所述多个感应电极与所述多个驱动电极相互交叉,且互不接触,每一个所述感应电极可以包含多个依次连接的感应子电极,每一个所述驱动电极可以包含多个依次连接的驱动子电极。
需要说明的是,本申请实施例提供的触控显示面板中,感应子电极之间的连接结构以及驱动子电极之间的连接结构至少可以包含以下三种:
第一种结构:相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接;
第二种结构:相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过两者之间的阴极连接;
第三种结构:相邻两个感应子电极通过两者之间的阴极连接,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接。
其中,在制备上述第一种结构的触控电极时,具体可以包括:
由于阳极可以作为相邻两个感应子电极之间的架桥,也可以作为相邻两个驱动子电极之间的架桥,因此:
可以根据预先确定的感应子电极之间的连接结构以及驱动子电极之间的连接结构,确定与每一个感应子电极以及每一个驱动子电极对应的接触孔的位置(每个感应子电极可以对应两个接触孔,两个接触孔可以位于感应子电极的两端,每个驱动子电极可以对应两个接触孔,两个接触孔可以位于驱动子电极的两端),在确定的位置处激光打孔得到接触孔。
在对阴极进行激光镭射时,沿感应子电极的连接方向,可以每两个接触孔为一组,在每组接触孔之间的阴极部分的两个位置处进行激光镭射,这两个位置之间的阴极部分为驱动子电极,每组接触孔之间的阴极部分为感应子电极;沿驱动子电极的连接方向,也可以每两个接触孔为一组,在每组接触孔之间的阴极部分的一个位置处进行激光镭射,相邻两组接触孔之间的阴极部分为驱动子电极。
这样,可以实现相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接。
按照上述方法可以制备得到图2所示的触控电极,图2中,相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接。
需要说明的是,还可以按照上述记载的制备感应子电极的方法制备驱动子电极,并按照制备驱动子电极的方法制备感应子电极,这样也可以得到所述第一种结构的触控电极,该触控电极的电极结构与图2所示的电极结构相反,即图2所示的感应子电极为该触控电极的驱动子电极,图2所示的驱动子电极为该触控电极的感应子电极。
在制备上述第二种结构的触控电极时,具体可以包括:
由于阳极可以作为相邻两个感应子电极之间的架桥,阴极可以作为相邻两个驱动子电极之间的架桥,因此:
在制备感应子电极时,可以按照上述第一种结构中记载的制备方法制备得到;
在制备驱动子电极时,可以无需制备与驱动子电极对应的接触孔,确定驱动子电极在阴极中的位置后,可以对两个驱动子电极之间的部分阴极进行激光镭射,并保留一份阴极,保留的这部分阴极可以用于连接相邻的两个驱动子电极。
这样,可以实现相邻两个感应子电极通过位置对应的接触孔之间的阳极连接,相邻两个驱动子电极通过两者之间的阴极连接。
在制备上述第三种结构的触控电极时,具体可以包括:
由于阴极可以作为相邻两个感应子电极之间的架桥,阳极可以作为相邻两个驱动子电极之间的架桥,因此:
在制备感应子电极时,可以按照上述第二种结构中记载的制备驱动子电极的方法进行制备;
在制备驱动子电极时,可以按照上述第一种结构中记载的制备驱动子电极的方法进行制备。
这样,可以实现相邻两个感应子电极通过两者之间的阴极连接,相邻两个驱动子电极通过位置对应的接触孔之间的阳极连接。
本申请实施例提供的触控显示面板的制备方法,在对触控显示面板进行制备时,可以通过对触控显示面板的阴极进行激光镭射制备得到感应电极以 及驱动电极,相较于现有技术而言,由于本申请实施例对阴极进行一道激光镭射工艺就可以制备得到感应电极以及驱动电极,因此,可以有效简化触控显示面板的制备流程,制备方法更为简单。
实施例3
本申请实施例提供一种触控显示面板的驱动方法,所述驱动方法可以用于驱动上述实施例1记载的所述触控显示面板。
具体地,所述驱动方法的一个驱动周期可以包含:显示驱动阶段以及触控驱动阶段,其中:
在所述显示驱动阶段,可以向所述阴极中包含的多个感应电极以及多个驱动电极提供显示驱动信号,这样,可以便于所述阴极在显示驱动阶段实现显示功能。
在所述触控驱动阶段,可以向所述驱动电极提供触控驱动信号,并检测所述感应电极的触控感应信号,这样,可以便于所述阴极在触控驱动阶段可以触控功能。
需要说明的是,在所述触控驱动阶段,不需要对所述感应电极提供触控驱动信号,而是需要检测所述感应电极感应到的触控感应信号,这样,可以在所述触控驱动阶段实现所述触控显示面板的触控功能。
实施例4
本申请实施例还提供了一种触控显示装置,所述触控显示装置可以包括上述实施例1记载的所述触控显示面板。
本领域的技术人员应明白,尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例作出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (19)

  1. 一种触控显示面板,包括:阴极,其中:
    所述阴极中包含多个感应电极以及与所述多个感应电极相互交叉的多个驱动电极;
    每一个所述感应电极包括多个依次连接的感应子电极,每一个所述驱动电极包括多个依次连接的驱动子电极。
  2. 如权利要求1所述的触控显示面板,其中,
    每一个所述感应子电极的形状为条形网格状,每一个所述驱动子电极的形状为条形网格状或者,
    每一个所述感应子电极的形状为菱形网格状,每一个所述驱动子电极的形状为菱形网格状。
  3. 如权利要求1所述的触控显示面板,所述触控显示面板还包括:阳极和有机发光层,所述有机发光层覆盖于所述阳极上,所述阴极覆盖于所述有机发光层上,其中:
    所述有机发光层中包含多个接触孔,所述阴极通过所述多个接触孔与所述阳极连接。
  4. 如权利要求3所述的触控显示面板,其中,
    相邻两个感应子电极通过位置对应的所述接触孔之间的所述阳极连接,相邻两个驱动子电极通过位置对应的所述接触孔之间的所述阳极连接。
  5. 如权利要求3所述的触控显示面板,其中,
    相邻两个感应子电极通过位置对应的所述接触孔之间的所述阳极连接,相邻两个驱动子电极通过所述相邻两个驱动子电极之间的所述阴极连接。
  6. 如权利要求3所述的触控显示面板,其中,
    相邻两个感应子电极通过所述相邻两个感应子电极之间的所述阴极连接,相邻两个驱动子电极通过位置对应的所述接触孔之间的所述阳极连接。
  7. 如权利要求3所述的触控显示面板,其中,
    所述阴极在所述接触孔的位置上覆盖有导电材料。
  8. 如权利要求7所述的触控显示面板,其中,
    所述导电材料的电阻率低于所述阴极和阳极的电阻率。
  9. 如权利要求7所述的触控显示面板,其中,
    所述导电材料为银浆。
  10. 如权利要求1所述的触控显示面板,其中,所述感应子电极与驱动子电极相互交叉且互不接触,所述感应子电极与多个像素连接,所述驱动子电极与多个像素连接。
  11. 一种触控显示面板的制备方法,其中,包括:
    对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,所述多个感应电极与所述多个驱动电极之间相互交叉,每一个所述感应电极包含多个依次连接的感应子电极,每一个所述驱动电极包含多个依次连接的驱动子电极。
  12. 如权利要求11所述的制备方法,其中,在对所述阴极进行激光镭射之前,所述方法还包括:
    在基板上形成阳极;
    在所述阳极上沉积有机发光层;
    对所述有机发光层进行激光打孔,形成接触孔;
    在所述有机发光层上沉积阴极,所述阴极在所述接触孔与所述阳极连接。
  13. 如权利要求12所述的制备方法,其中对所述有机发光层进行激光打孔,形成接触孔,包括:预先根据需要制备的电极图案确定需要形成所述接触孔的位置,然后通过激光打孔的方法将确定位置的所述有机发光层穿透,从而在所述穿透的位置形成所述接触孔。
  14. 如权利要求11所述的制备方法,其中,所述对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,包括:对阴极进行激光镭射,沿感应子电极的连接方向,每两个接触孔为一组,在每组接触孔之间的阴极部分的两个位置处进行激光镭射,这两个位置之间的阴 极部分为驱动子电极,每组接触孔之间的阴极部分为感应子电极。
  15. 如权利要求11所述的制备方法,其中,所述对所述触控显示面板中包含的阴极进行激光镭射,得到多个感应电极以及多个驱动电极,包括:沿驱动子电极的连接方向,每两个接触孔为一组,在每组接触孔之间的阴极部分的一个位置处进行激光镭射,相邻两组接触孔之间的阴极部分为驱动子电极。
  16. 如权利要求11所述的制备方法,其中,在所述有机发光层上沉积阴极后,所述方法还包括:
    在所述阴极的所述接触孔处形成电阻率低于所述阳极和所述阴极的导电材料。
  17. 如权利要求16所述的制备方法,其中,
    在所述阴极的所述接触孔处打印银浆。
  18. 一种如权利要求1至10任一项所述的触控显示面板的驱动方法,包括:显示驱动阶段以及触控驱动阶段,其中:
    在所述显示驱动阶段,向所述阴极中包含的多个感应电极以及多个驱动电极提供显示驱动信号;
    在所述触控驱动阶段,向所述驱动电极提供触控驱动信号,并检测所述感应电极的触控感应信号。
  19. 一种触控显示装置,其中,包括:如权利要求1至10任一项所述的触控显示面板。
PCT/CN2018/094953 2018-01-26 2018-07-09 触控显示面板及其制备方法、驱动方法、触控显示装置 WO2019144573A1 (zh)

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