WO2024229909A1 - 一种显示面板及驱动方法 - Google Patents
一种显示面板及驱动方法 Download PDFInfo
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- WO2024229909A1 WO2024229909A1 PCT/CN2023/097442 CN2023097442W WO2024229909A1 WO 2024229909 A1 WO2024229909 A1 WO 2024229909A1 CN 2023097442 W CN2023097442 W CN 2023097442W WO 2024229909 A1 WO2024229909 A1 WO 2024229909A1
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- electromagnetic
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- bridging
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- G06—COMPUTING OR CALCULATING; COUNTING
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- 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- 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
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- G06—COMPUTING OR CALCULATING; 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
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- 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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04113—Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field
Definitions
- the present application relates to the field of display technology, and in particular to a display panel and a driving method.
- organic light-emitting diode (OLED) display panels Compared with liquid crystal displays, organic light-emitting diode (OLED) display panels have the advantages of being lighter, thinner, having better display effects, higher resolution, wider color gamut, lower power consumption, and the ability to achieve flexible displays. As a result, they have developed rapidly in recent years and have become the preferred display panel type for small and medium-sized displays.
- OLED organic light-emitting diode
- the present application provides a display panel and a driving method, which can effectively solve the problems of relatively thick overall thickness and complicated production process of existing display panels with electromagnetic touch functions.
- the present application provides a display panel, which includes a capacitive touch part, and the capacitive touch part includes a first capacitive touch part and a second capacitive touch part arranged in different layers; wherein the display panel includes a plurality of electromagnetic coils, and the plurality of electromagnetic coils include an electromagnetic touch part, and the electromagnetic touch part includes a first electromagnetic touch part and a second electromagnetic touch part arranged in different layers, wherein at least one of the first electromagnetic touch part and the second electromagnetic touch part is arranged in the same layer as the capacitive touch part.
- the plurality of electromagnetic coils also include the capacitive touch unit.
- the first capacitive touch part includes multiple touch electrodes
- the second capacitive touch part includes multiple bridging electrodes
- the first electromagnetic touch part includes multiple electromagnetic coil traces
- the second electromagnetic touch part includes multiple electromagnetic bridging traces; wherein the area of the multiple touch electrodes is larger than the area of the multiple bridging electrodes, the area of the multiple electromagnetic coil traces is larger than the area of the multiple electromagnetic bridging traces, and the electromagnetic coil traces are arranged on the same layer as the bridging electrodes.
- the electromagnetic bridging traces are arranged in the same layer as the touch electrodes.
- the electromagnetic bridging traces, the touch electrodes, and the bridging electrodes are all arranged in different layers.
- the second electromagnetic touch control unit further includes a plurality of electromagnetic coil parallel structures, and the electromagnetic coil parallel structures are connected in parallel with the electromagnetic coil wiring.
- the multiple touch electrodes include multiple first touch electrodes and multiple second touch electrodes, each of the first touch electrodes includes multiple first touch sub-electrodes arranged in sequence in a first direction, and two adjacent first touch sub-electrodes are electrically connected; the second touch electrode includes multiple second touch sub-electrodes arranged in sequence in a second direction, and two adjacent second touch sub-electrodes are electrically connected through the bridging electrode; the multiple electromagnetic coils include: multiple first electromagnetic coils and multiple second electromagnetic coils, wherein each first electromagnetic coil includes two first main bodies extending along the first direction, one of the first main bodies includes the electromagnetic coil wiring, and the other first main body includes the first touch electrode; each second electromagnetic coil includes two second main bodies extending along the second direction, one of the second main bodies includes the electromagnetic coil wiring, and the other second main body includes the second touch electrode; wherein the first direction is perpendicular to the second direction.
- an orthographic projection of the electromagnetic bridging trace in a third direction does not overlap with an orthographic projection of the bridging electrode in the third direction, wherein the third direction is perpendicular to the first direction and the second direction.
- the area enclosed by each of the first electromagnetic coils partially overlaps with the area enclosed by at least one of the first electromagnetic coils; the area enclosed by each of the second electromagnetic coils partially overlaps with the area enclosed by at least one of the second electromagnetic coils.
- each first electromagnetic coil also includes a first connecting portion connecting the two first main body portions
- each second electromagnetic coil also includes a second connecting portion connecting the two second main body portions
- the display panel includes a plurality of data lines, the first main body portion or the second main body portion is parallel to the data line, and when the first main body portion is parallel to the data line, at least one second connecting portion is respectively provided on both sides of the data line; when the second main body portion is parallel to the data line, at least one first connecting portion is respectively provided on both sides of the data line.
- the plurality of electromagnetic coils do not include the capacitive touch portion.
- the present application provides a display panel driving method for driving a display panel, wherein the display panel includes a capacitive touch portion, and the capacitive touch portion includes a first capacitive touch portion and a second capacitive touch portion arranged in different layers; wherein the display panel includes a plurality of electromagnetic coils, and the plurality of electromagnetic coils include an electromagnetic touch portion, and the electromagnetic touch portion includes a first electromagnetic touch portion and a second electromagnetic touch portion arranged in different layers, wherein at least one of the first electromagnetic touch portion and the second electromagnetic touch portion is arranged in the same layer as the capacitive touch portion, and the plurality of electromagnetic coils also include the capacitive touch portion, wherein the display panel driving method includes the following steps: using a touch driving chip to scan the capacitive touch portion in the display panel, each scanning cycle includes an electromagnetic scanning interval and a capacitive scanning interval, wherein, within the electromagnetic scanning interval, the capacitive touch portion performs an electromagnetic touch function; and within the capacitive scanning interval, the capacitive touch portion
- the present application provides a display panel and a driving method, wherein the display panel includes a capacitive touch portion, wherein the capacitive touch portion includes a first capacitive touch portion and a second capacitive touch portion which are arranged in different layers; wherein the display panel includes a plurality of electromagnetic coils, wherein the plurality of electromagnetic coils include an electromagnetic touch portion, wherein the electromagnetic touch portion includes a first electromagnetic touch portion and a second electromagnetic touch portion which are arranged in different layers, wherein at least one of the first electromagnetic touch portion and the second electromagnetic touch portion is arranged in the same layer as the capacitive touch portion, and the present application arranges at least one of the first electromagnetic touch portion and the second electromagnetic touch portion in the same layer as the capacitive touch portion, thereby being able to utilize the space of the film layer where the capacitive touch portion is located to form a partial structure in the electromagnetic touch portion, thereby improving the problem of a large overall thickness and a relatively complex production process of a display panel with an electromagnetic touch function.
- FIG. 1 is a schematic diagram of the structure of a display panel provided in Embodiment 1 of the present application.
- FIG. 2 is a schematic diagram of the structure of the touch layer provided in the first embodiment of the present application.
- FIG. 3 is a plan view of a capacitive touch control unit provided in the first embodiment of the present application.
- FIG. 4 is a schematic plan view of a first touch electrode provided in Embodiment 1 of the present application.
- FIG. 5 is a schematic plan view of a second touch electrode provided in the first embodiment of the present application.
- FIG. 6 is a plan view schematically showing a bridging electrode provided in the first embodiment of the present application.
- FIG. 7 is a plan view of an electromagnetic touch control unit provided in the first embodiment of the present application.
- FIG8 is a plan view of a first electromagnetic coil provided in Embodiment 1 of the present application.
- FIG. 9 is a plan view schematically showing a second electromagnetic coil provided in the first embodiment of the present application.
- FIG. 10 is a schematic diagram of the structure of the touch layer provided in the second embodiment of the present application.
- FIG. 11 is a schematic diagram of the structure of the touch layer provided in the third embodiment of the present application.
- FIG. 12 is a schematic diagram of a first structure of a touch layer provided in Embodiment 4 of the present application.
- FIG. 13 is a schematic diagram of a second structure of a touch layer provided in the fourth embodiment of the present application.
- Display panel 01 substrate 10; drive circuit layer 20; display function layer 30; packaging layer 40; touch layer 50; first insulating layer 51; first touch layer 52; second insulating layer 53; second touch layer 54; third insulating layer 55; third touch layer 56; electromagnetic coil M0; first electromagnetic coil M1; first main body M11; first connecting part M12; second electromagnetic coil M2; second main body M21; second connecting part M22; capacitive touch part C0; first Capacitive touch part C1; touch electrode C11; first touch electrode C111; first touch sub-electrode C1111; second touch electrode C112; second touch sub-electrode C1121; second capacitive touch part C2; bridge electrode C21; electromagnetic touch part E0; first electromagnetic touch part E1; electromagnetic coil wiring E11; second electromagnetic touch part E2; electromagnetic bridge wiring E21; electromagnetic coil parallel structure E22; first direction X; second direction Y; third direction Z;
- the present application provides a display panel and a driving method, wherein the display panel includes a capacitive touch portion, wherein the capacitive touch portion includes a first capacitive touch portion and a second capacitive touch portion arranged in different layers; wherein the display panel includes a plurality of electromagnetic coils, wherein the plurality of electromagnetic coils include an electromagnetic touch portion, wherein the electromagnetic touch portion includes a first electromagnetic touch portion and a second electromagnetic touch portion arranged in different layers, wherein at least one of the first electromagnetic touch portion and the second electromagnetic touch portion is arranged in the same layer as the capacitive touch portion.
- the electromagnetic touch part is used to realize the electromagnetic touch function, and the user can trigger the electromagnetic touch function with an electromagnetic pen.
- the capacitive touch part is used to realize the capacitive touch function, and the user can trigger the capacitive touch function with a finger.
- the first capacitive touch portion and the second capacitive touch portion, and the first electromagnetic touch portion and the second electromagnetic touch portion are respectively located in four different film layers in the display panel, so that the overall thickness of the display panel is greatly increased.
- the present application arranges at least one of the first electromagnetic touch part and the second electromagnetic touch part in the same layer as the capacitive touch part, so that the space of the film layer where the capacitive touch part is located can be used to form a partial structure in the electromagnetic touch part, thereby improving the problem of a large overall thickness and complicated production process of the display panel with electromagnetic touch function.
- At least one of the first electromagnetic touch portion and the second electromagnetic touch portion is arranged in the same layer with the capacitive touch portion, including: the first electromagnetic touch portion is arranged in the same layer with the first capacitive touch portion, and the second electromagnetic touch portion is arranged in the same layer with the second capacitive touch portion; the first electromagnetic touch portion is arranged in the same layer with the second capacitive touch portion, and the second electromagnetic touch portion is arranged in the same layer with the first capacitive touch portion; the first electromagnetic touch portion is arranged in the same layer with the first capacitive touch portion, and the second electromagnetic touch portion is arranged in different layers from the first capacitive touch portion and the second capacitive touch portion; the first electromagnetic touch portion is arranged in the same layer with the second capacitive touch portion, and the second electromagnetic touch portion is arranged in different layers from the first capacitive touch portion and the second capacitive touch portion; the second electromagnetic touch portion is arranged in the same layer with the first capacitive touch portion, and the first electromagnetic touch portion is arranged in different layers from the first
- a first embodiment of the present application provides a display panel.
- Figure 1 is a schematic diagram of the structure of a display panel provided in the first embodiment of the present application
- Figure 2 is a schematic diagram of the structure of a touch layer provided in the first embodiment of the present application
- Figure 3 is a plan schematic diagram of a capacitive touch portion provided in the first embodiment of the present application
- Figure 4 is a plan schematic diagram of a first touch electrode provided in the first embodiment of the present application
- Figure 5 is a plan schematic diagram of a second touch electrode provided in the first embodiment of the present application
- Figure 6 is a plan schematic diagram of a bridging electrode provided in the first embodiment of the present application
- Figure 7 is a plan schematic diagram of an electromagnetic touch portion provided in the first embodiment of the present application
- Figure 8 is a plan schematic diagram of a first electromagnetic coil provided in the first embodiment of the present application
- Figure 9 is a plan schematic diagram of a second electromagnetic coil provided in the first embodiment of the present application.
- Embodiment 1 of the present application provides a display panel 01, wherein the display panel 01 includes a capacitive touch part C0, and the capacitive touch part C0 includes a first capacitive touch part C1 and a second capacitive touch part C2 arranged in different layers; wherein the display panel 01 includes a plurality of electromagnetic coils M0, and the plurality of electromagnetic coils M0 include an electromagnetic touch part E0, and the electromagnetic touch part E0 includes a first electromagnetic touch part E1 and a second electromagnetic touch part E2 arranged in different layers, wherein the second electromagnetic touch part E2 is arranged in the same layer as the first capacitive touch part C1.
- the second electromagnetic touch part E2 and the first capacitive touch part C1 are arranged on the same layer, the problem of increased number of film layers and increased thickness of the display panel 01 due to the provision of the second electromagnetic touch part E2 can be avoided, so that the display panel 01 has a thinner thickness, simplifies the preparation process of the display panel 01, and reduces the production cost.
- the plurality of electromagnetic coils M0 include the electromagnetic touch portion E0 and the capacitive touch portion C0.
- the electromagnetic coil M0 only includes the electromagnetic touch part E0 , that is, the electromagnetic touch part E0 and the capacitive touch part C0 exist separately.
- the capacitive touch part C0 can be used to form a part of the electromagnetic coil M0, thereby reducing the layout area of the electromagnetic touch part E0, reducing the process difficulty, and improving the space utilization of the display panel 01.
- the first capacitive touch part C1 includes a plurality of touch electrodes C11
- the second capacitive touch part C2 includes a plurality of bridging electrodes C21
- the first electromagnetic touch part E1 includes a plurality of electromagnetic coil traces E11
- the second electromagnetic touch part E2 includes a plurality of electromagnetic bridging traces E21; wherein an area of the plurality of touch electrodes C11 is greater than an area of the plurality of bridging electrodes C21, an area of the plurality of electromagnetic coil traces E11 is greater than an area of the plurality of electromagnetic bridging traces E21, and the electromagnetic coil traces E11 are arranged on the same layer as the bridging electrodes C21.
- the touch electrode C11 belongs to the first capacitive touch part C1
- the bridge electrode C21 belongs to the second capacitive touch part C2. Therefore, the touch electrode C11 and the bridge electrode C21 are arranged in different layers. Since the area of the multiple touch electrodes C11 is larger than the area of the multiple bridge electrodes C21, the film layer where the multiple bridge electrodes C21 are located has more free area.
- the present application arranges the multiple electromagnetic coil wiring E11 with a larger area in the film layer where the multiple bridge electrodes C21 with more free area are located, thereby simplifying the film layer structure of the display panel 01, reducing the thickness, and more reasonably utilizing the space in the film layer where the first capacitive touch part C1 and the second capacitive touch part C2 are located, thereby reducing the wiring difficulty of the electromagnetic touch part E0, improving the product yield, and reducing the production cost.
- the display panel 01 includes: a substrate 10 and a driving circuit layer 20, a display function layer 30, a packaging layer 40 and a touch layer 50 stacked in sequence on the substrate 10,
- the touch layer 50 includes a first insulating layer 51, a first touch layer 52, a second insulating layer 53 and a second touch layer 54 stacked in sequence in a direction away from the packaging layer 40, wherein the touch electrode C11 in the first capacitive touch part C1 is arranged in the second touch layer 54, and the electromagnetic bridging trace E21 in the second electromagnetic touch part E2 is arranged in the second touch layer 54, that is, the electromagnetic bridging trace E21 is arranged in the same layer as the touch electrode C11.
- the electromagnetic coil wiring E11 and the bridge electrode C21 are arranged in the same layer, and the electromagnetic bridge wiring E21 and the touch electrode C11 are arranged in the same layer, the electromagnetic coil wiring E11 in the first electromagnetic touch part E1 can share a film layer with the bridge electrode C21 in the second capacitive touch part C2, and the electromagnetic bridge wiring E21 in the second electromagnetic touch part E2 can share a film layer with the touch electrode C11 in the first capacitive touch part C1, and further, the electromagnetic touch part E0 can share the space of the touch layer 50 with the capacitive touch part C0, so that the number of film layers of the display panel 01 will not increase due to the arrangement of the electromagnetic touch part E0, so that the display panel 01 has the advantages of being light and thin, and having a simplified production process.
- the present application does not limit the vertical positional relationship between the first touch layer 52 and the second touch layer 54.
- the first touch layer 52 can be disposed on a side of the second touch layer 54 away from the encapsulation layer 40.
- the plurality of touch electrodes C11 include a plurality of first touch electrodes C111 and a plurality of second touch electrodes C112, each of the first touch electrodes C111 includes a plurality of first touch sub-electrodes C1111 sequentially arranged in a first direction X, and two adjacent first touch sub-electrodes C1111 are electrically connected;
- the second touch electrode C112 includes a plurality of second touch sub-electrodes C1121 sequentially arranged in a second direction Y, and two adjacent second touch sub-electrodes C1121 are electrically connected via the bridging electrode C21;
- the plurality of electromagnetic coils M0 include: a plurality of first touch sub-electrodes C1111 and a plurality of second touch sub-electrodes C1121.
- each first electromagnetic coil M1 includes two first main body parts M11 extending along a first direction X, one of the first main body parts M11 includes an electromagnetic coil wiring E11, and the other first main body part M11 includes the first touch electrode C111; each second electromagnetic coil M2 includes two second main body parts M21 extending along a second direction Y, one of the second main body parts M21 includes the electromagnetic coil wiring E11, and the other second main body part M21 includes the second touch electrode C112; wherein the first direction X is perpendicular to the second direction Y.
- the first touch electrode C111 and the second touch electrode C112 can be used not only as capacitive touch channels, but also as electromagnetic touch channels, so that electromagnetic touch drive and capacitive touch drive can be realized by using one touch drive chip, which improves the integration of the display panel 01 and simplifies the structure of the display panel 01. And since each touch channel corresponds to a pin on the touch drive chip, the number of pins can be reduced and the frame of the display panel 01 can be narrowed.
- the present application does not limit the directions of the first direction X and the second direction Y. In other embodiments of the present application, the directions of the first direction X and the second direction Y can be interchanged.
- the orthographic projection of the electromagnetic bridging trace E21 in the third direction Z does not overlap with the orthographic projection of the bridging electrode C21 in the third direction Z, wherein the third direction Z is perpendicular to the first direction X and the second direction Y.
- the electromagnetic bridging trace E21 is located in the second touch layer 54, and the electromagnetic bridging trace E21 is electrically connected to the electromagnetic coil trace E11 in the first touch layer 52 by way of a via connection. Since the bridging electrode C21 is also located in the first touch layer 52, the present application can effectively avoid the short circuit between the bridging electrode C21 and the electromagnetic bridging trace E21 by means of a layout in which the orthographic projection of the electromagnetic bridging trace E21 in the third direction Z and the orthographic projection of the bridging electrode C21 in the third direction Z do not overlap, thereby improving the touch performance of the display panel 01.
- the electromagnetic bridging trace E21 and the touch electrode C11 are staggered in the second touch layer 54
- the electromagnetic coil trace E11 and the bridging electrode C21 are staggered in the first touch layer 52 .
- the area enclosed by each of the first electromagnetic coils M1 partially overlaps with the area enclosed by at least one of the first electromagnetic coils M1; the area enclosed by each of the second electromagnetic coils M2 partially overlaps with the area enclosed by at least one of the second electromagnetic coils M2.
- the amount of electromagnetic signal in the area enclosed by the electromagnetic coil M0 can be increased, which is beneficial to improving the electromagnetic induction sensitivity and accuracy of the display panel 01.
- each first electromagnetic coil M1 also includes a first connecting portion M12 connecting the two first main body portions M11
- each second electromagnetic coil M2 also includes a second connecting portion M22 connecting the two second main body portions M21
- the display panel 01 includes a plurality of data lines, the first main body portion M11 or the second main body portion M21 is parallel to the data line, and when the first main body portion M11 is parallel to the data line, at least one second connecting portion M22 is respectively arranged on both sides of the data line; when the second main body portion M21 is parallel to the data line, at least one first connecting portion M12 is respectively arranged on both sides of the data line.
- the display panel 01 provided in the present application also includes the touch driver chip arranged at one end of the data line. Since the touch driver chip is arranged at the end of the data line, and the ends of each electromagnetic coil M0 must be electrically connected to the touch driver chip, the electromagnetic coil M0 where the second connection part M22 or the first connection part M12 is located on one side of the data line needs to be wound before it can be finally connected to the touch driver chip. Therefore, when the second connection part M22 or the first connection part M12 are both arranged on the same side of the data line, it will cause dense wiring on that side, increasing the wiring difficulty.
- the present application can balance the number of windings on both sides of the data line and reduce the wiring difficulty by respectively providing at least one second connection part M22 on both sides of the data line or at least one first connection part M12 on both sides of the data line.
- the type of the display panel 01 may be an OLED display panel, a liquid crystal display panel, or a LED display panel.
- the present application also provides a driving method for a display panel 01, and the driving method for the display panel 01 includes the following steps: using a driving chip to scan the capacitive touch part C0 in the display panel 01, each scanning cycle includes an electromagnetic scanning interval and a capacitive scanning interval, wherein, within the electromagnetic scanning interval, the capacitive touch part C0 performs an electromagnetic touch function; and within the capacitive scanning interval, the capacitive touch part C0 performs a capacitive touch function.
- the present application divides each scanning cycle into an independent electromagnetic scanning interval and a capacitive scanning interval, so that the capacitive touch part C0 can be used as an electromagnetic touch channel in the electromagnetic scanning interval and as a capacitive touch channel in the capacitive scanning interval through time-sharing driving.
- the first embodiment of the present application further provides a display device, comprising a housing and a display panel 01 as described in any one of the above items, wherein the housing has a containing space, and the display panel 01 is arranged in the containing space.
- FIG10 is a schematic diagram of the structure of the touch layer provided in the second embodiment of the present application.
- the second embodiment of the present application provides a display panel 01, a driving method, and a display device, wherein the display panel 01 includes a capacitive touch portion C0, and the capacitive touch portion C0 includes a first capacitive touch portion C1 and a second capacitive touch portion C2 arranged in different layers; wherein the display panel 01 includes a plurality of electromagnetic coils M0, and the plurality of electromagnetic coils M0 include an electromagnetic touch portion E0, and the electromagnetic touch portion E0 includes a first electromagnetic touch portion E1 and a second electromagnetic touch portion E2 arranged in different layers, wherein the plurality of electromagnetic coils M0 also include the capacitive touch portion C0, and the electromagnetic coil wiring E11 is arranged in the same layer as the bridging electrode C21.
- the electromagnetic coil wiring E11 and the bridging electrode C21 are arranged on the same layer, the problem of increased number of film layers and increased thickness of the display panel 01 caused by the arrangement of the electromagnetic coil wiring E11 can be avoided, thereby simplifying the preparation process of the display panel 01 and reducing the production cost.
- the display panel 01, the structure of the display device and the driving method provided in the second embodiment of the present application are similar to the display panel 01, the structure of the display device and the driving method provided in the first embodiment of the present application, and the structure and effects of the same parts will not be repeated in the second embodiment of the present application.
- the electromagnetic bridging wire E21 is arranged in a different layer from the touch electrode C11 and the bridging electrode C21. That is, the electromagnetic bridging wire E21 is arranged in a film layer other than the film layer where the touch electrode C11 and the bridging electrode C21 are located.
- the display panel 01 includes: a substrate 10 and a driving circuit layer 20, a display function layer 30, a packaging layer 40 and a touch layer 50 stacked in sequence on the substrate 10, and the electromagnetic touch part E0E is arranged in the touch layer 50.
- the touch layer 50 includes a third insulating layer 55, a third touch layer 56, a first insulating layer 51, a first touch layer 52, a second insulating layer 53 and a second touch layer 54 stacked in sequence in a direction away from the packaging layer 40, wherein the multiple bridging electrodes C21 and the multiple electromagnetic coil traces E11 are arranged in the first touch layer 52, the multiple touch electrodes C11 are arranged in the second touch layer 54, and the electromagnetic bridging traces E21 are arranged in the third touch layer 56.
- the present application arranges the electromagnetic bridging traces E21 in the third touch layer 56, which can effectively reduce the wiring difficulty and improve the production yield of the display panel 01.
- FIG11 is a schematic diagram of the structure of the touch layer provided in the third embodiment of the present application.
- the third embodiment of the present application provides a display panel 01, a driving method and a display device, wherein the display panel 01 includes a capacitive touch part C0, and the capacitive touch part C0 includes a first capacitive touch part C1 and a second capacitive touch part C2 arranged in different layers; wherein the display panel 01 includes a plurality of electromagnetic coils M0, and the plurality of electromagnetic coils M0 include an electromagnetic touch part E0, and the electromagnetic touch part E0 includes a first electromagnetic touch part E1 and a second electromagnetic touch part E2 arranged in different layers, wherein the plurality of electromagnetic coils M0 also include the capacitive touch part C0, and the electromagnetic coil wiring E11 is arranged in the same layer as the bridging electrode C21, and the electromagnetic bridging wiring E21 and the touch electrode C11 and the bridging electrode C21 are arranged
- the electromagnetic coil wiring E11 and the bridge electrode C21 are arranged in the same layer, the problem of increasing the number of film layers and increasing the thickness of the display panel 01 caused by the arrangement of the electromagnetic coil wiring E11 can be avoided, thereby simplifying the preparation process of the display panel 01 and reducing the production cost. Since the electromagnetic bridge wiring E21 and the touch electrode C11 and the bridge electrode C21 are all arranged in different layers, the wiring difficulty can be effectively reduced and the production yield of the display panel 01 can be improved.
- the display panel 01, the structure of the display device and the driving method provided in the third embodiment of the present application are similar to the display panel 01, the structure of the display device and the driving method provided in the second embodiment of the present application, and the structure and effects of the same parts will not be repeated in the third embodiment of the present application.
- the second electromagnetic touch control part E2 further includes a plurality of electromagnetic coil parallel structures E22, and the electromagnetic coil parallel structures E22 are connected in parallel with the electromagnetic coil wiring E11.
- the second electromagnetic touch control part E2 also includes a plurality of electromagnetic coil parallel structures E22, the electromagnetic coil parallel structures E22 and the electromagnetic bridge wiring E21 are arranged in the same layer, therefore, the arrangement of the electromagnetic coil parallel structures E22 does not cause the problem of increasing the film layers of the display panel 01. Moreover, the electromagnetic coil parallel structures E22 are connected in parallel with the electromagnetic coil wiring E11, thereby reducing the resistance of the electromagnetic coil wiring E11, reducing the impedance of the electromagnetic signal when it is transmitted in the electromagnetic touch control part E0, and improving the accuracy of the electromagnetic signal.
- FIG12 is a schematic diagram of the first structure of the touch layer provided in the fourth embodiment of the present application
- FIG13 is a schematic diagram of the second structure of the touch layer provided in the fourth embodiment of the present application.
- the fourth embodiment of the present application provides a display panel 01 and a display device, wherein the display panel 01 includes a capacitive touch portion C0, and the capacitive touch portion C0 includes a first capacitive touch portion C1 and a second capacitive touch portion C2 arranged in different layers; wherein the display panel 01 includes a plurality of electromagnetic coils M0, and the plurality of electromagnetic coils M0 include an electromagnetic touch portion E0, and the electromagnetic touch portion E0 includes a first electromagnetic touch portion E1 and a second electromagnetic touch portion E2 arranged in different layers, wherein at least one of the first electromagnetic touch portion E1 and the second electromagnetic touch portion E2 is arranged in the same layer as the capacitive touch portion C0.
- the structure of the display panel 01 and the display device provided in the fourth embodiment of the present application is similar to the structure of the display panel 01 and the display device provided in the first embodiment of the present application, and the structure and effects of the same parts will not be repeated in the fourth embodiment of the present application.
- the difference is that the plurality of electromagnetic coils M0 do not include the capacitive touch portion C0.
- the capacitive touch part C0 is set independently of the electromagnetic touch part E0.
- the electromagnetic touch part E0 only has a touch function and does not participate in the formation of the electromagnetic coil M0, so that the capacitive touch and electromagnetic touch functions of the display panel 01 do not affect each other.
- the present application provides a display panel and a driving method, wherein the display panel includes a capacitive touch part, the capacitive touch part includes a first capacitive touch part and a second capacitive touch part arranged in different layers; wherein the display panel includes a plurality of electromagnetic coils, the plurality of electromagnetic coils include an electromagnetic touch part, the electromagnetic touch part includes a first electromagnetic touch part and a second electromagnetic touch part arranged in different layers, wherein at least one of the first electromagnetic touch part and the second electromagnetic touch part is arranged in the same layer as the capacitive touch part.
- the present application arranges at least one of the first electromagnetic touch part and the second electromagnetic touch part in the same layer as the capacitive touch part, thereby being able to utilize the space of the film layer where the capacitive touch part is located to form a partial structure in the electromagnetic touch part, thereby improving the problems of a large overall thickness and a relatively complex production process of a display panel with an electromagnetic touch function.
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Abstract
Description
Claims (20)
- 一种显示面板,其中,所述显示面板包括电容触控部,所述电容触控部包括异层设置的第一电容触控部和第二电容触控部;其中,所述显示面板包括多个电磁线圈,所述多个电磁线圈包括电磁触控部,所述电磁触控部包括异层设置的第一电磁触控部和第二电磁触控部,其中,所述第一电磁触控部和所述第二电磁触控部中的至少一个与所述电容触控部同层设置。
- 根据权利要求1所述的显示面板,其中,所述多个电磁线圈还包括所述电容触控部。
- 根据权利要求2所述的显示面板,其中,所述第一电容触控部包括多个触控电极,所述第二电容触控部包括多个桥接电极,所述第一电磁触控部包括多个电磁线圈走线,所述第二电磁触控部包括多个电磁桥接走线;其中,所述多个触控电极的面积大于所述多个桥接电极的面积,所述多个电磁线圈走线的面积大于所述多个电磁桥接走线的面积,且所述电磁线圈走线与所述桥接电极同层设置。
- 根据权利要求3所述的显示面板,其中,所述电磁桥接走线与所述触控电极同层设置。
- 根据权利要求4所述的显示面板,其中,所述显示面板包括:衬底和在所述衬底上依次层叠设置的驱动电路层、显示功能层、封装层和触控层,所述触控层包括在背离所述封装层的方向上依次层叠设置的第一绝缘层、第一触控层、第二绝缘层和第二触控层,其中,所述电磁线圈走线和所述桥接电极均设置在所述第一触控层中,所述电磁桥接走线和所述触控电极均设置在所述第二触控层中。
- 根据权利要求5所述的显示面板,其中,所述电磁桥接走线和所述触控电极在所述第二触控层中错位设置,所述电磁线圈走线和所述桥接电极在所述第一触控层中错位设置。
- 根据权利要求3所述的显示面板,其中,所述电磁桥接走线与所述触控电极、所述桥接电极均异层设置。
- 根据权利要求7所述的显示面板,其中,所述显示面板包括:衬底和在所述衬底上依次层叠设置的驱动电路层、显示功能层、封装层和触控层,所述触控层包括在背离所述封装层的方向上依次层叠设置的第三绝缘层、第三触控层、第一绝缘层、第一触控层、第二绝缘层和第二触控层,其中,所述电磁线圈走线和所述桥接电极均设置在所述第一触控层中,所述触控电极设置在所述第二触控层中,所述电磁桥接走线设置在所述第三触控层中。
- 根据权利要求7所述的显示面板,其中,所述第二电磁触控部还包括多个电磁线圈并联结构,所述电磁线圈并联结构与所述电磁线圈走线并联。
- 根据权利要求9所述的显示面板,其中,所述显示面板包括:衬底和在所述衬底上依次层叠设置的驱动电路层、显示功能层、封装层和触控层,所述触控层包括在背离所述封装层的方向上依次层叠设置的第三绝缘层、第三触控层、第一绝缘层、第一触控层、第二绝缘层和第二触控层,其中,所述电磁线圈走线和所述桥接电极均设置在所述第一触控层中,所述触控电极设置在所述第二触控层中,所述电磁桥接走线和所述电磁线圈并联结构设置在所述第三触控层中。
- 根据权利要求3所述的显示面板,其中,所述多个触控电极包括多个第一触控电极和多个第二触控电极,每个所述第一触控电极包括在第一方向依次排布的多个第一触控子电极,相邻两个所述第一触控子电极电性连接;所述第二触控电极包括在第二方向上依次排布的多个第二触控子电极,相邻两个所述第二触控子电极通过所述桥接电极电性连接;多个所述电磁线圈包括:多个第一电磁线圈和多个第二电磁线圈,其中,每个第一电磁线圈包括两个沿第一方向延伸的第一主体部,其中一个第一主体部包括电磁线圈走线,另外一个第一主体部包括所述第一触控电极;每个第二电磁线圈包括两个沿第二方向延伸的第二主体部,其中一个第二主体部包括电磁线圈走线,另外一个第二主体部包括所述第二触控电极;其中,所述第一方向垂直于所述第二方向。
- 根据权利要求11所述的显示面板,其中,所述电磁桥接走线在第三方向上的正投影与所述桥接电极在所述第三方向上的正投影不重叠,其中,所述第三方向垂直于所述第一方向和所述第二方向。
- 根据权利要求11所述的显示面板,其中,每个所述第一电磁线圈所围设的区域与至少一个所述第一电磁线圈围设的区域部分重叠;每个所述第二电磁线圈所围设的区域与至少一个所述第二电磁线圈围设的区域部分重叠。
- 根据权利要求11所述的显示面板,其中,每个第一电磁线圈还包括连接两个所述第一主体部的第一连接部,每个第二电磁线圈还包括连接两个所述第二主体部的第二连接部;其中,所述显示面板包括多条数据线,所述第一主体部或所述第二主体部平行于所述数据线,当所述第一主体部平行于所述数据线时,所述数据线的两侧分别设置有至少一个所述第二连接部;当所述第二主体部平行于所述数据线时,所述数据线的两侧分别设置有至少一个所述第一连接部。
- 根据权利要求2所述的显示面板,其中,所述显示面板的类型为OLED显示面板、液晶显示面板或LED显示面板。
- 一种显示面板的驱动方法,用于驱动权利要求2-15任一项所述的显示面板,其中,所述显示面板的驱动方法包括以下步骤:利用触控驱动芯片对所述显示面板中的电容触控部进行扫描,每个扫描周期包括电磁扫描区间和电容扫描区间,其中,在所述电磁扫描区间内,所述电容触控部执行电磁触控功能;在所述电容扫描区间,所述电容触控部执行电容触控功能。
- 根据权利要求1所述的显示面板,其中,所述多个电磁线圈不包括所述电容触控部。
- 根据权利要求17所述的显示面板,其中,所述第一电容触控部包括多个触控电极,所述第二电容触控部包括多个桥接电极,所述第一电磁触控部包括多个电磁线圈走线,所述第二电磁触控部包括多个电磁桥接走线;其中,所述多个触控电极的面积大于所述多个桥接电极的面积,所述多个电磁线圈走线的面积大于所述多个电磁桥接走线的面积。
- 根据权利要求18所述的显示面板,其中,所述电磁桥接走线与所述桥接电极同层设置,所述电磁线圈走线与所述触控电极、所述桥接电极异层设置。
- 根据权利要求18所述的显示面板,其中,所述电磁线圈走线与所述桥接电极同层设置,所述电磁桥接走线与所述触控电极、所述桥接电极异层设置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237027719A KR20240164365A (ko) | 2023-05-11 | 2023-05-31 | 디스플레이 패널 및 구동 방법 |
| US18/262,741 US20260050337A1 (en) | 2023-05-11 | 2023-05-31 | Display panel and driving method |
| KR1020257019626A KR20250092291A (ko) | 2023-05-11 | 2023-05-31 | 디스플레이 패널 및 구동 방법 |
| JP2023548956A JP2025518407A (ja) | 2023-05-11 | 2023-05-31 | 表示パネル及び駆動方法 |
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| CN202310539794.8 | 2023-05-11 | ||
| CN202310539794.8A CN117453061A (zh) | 2023-05-11 | 2023-05-11 | 一种显示面板及驱动方法 |
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| WO2024229909A1 true WO2024229909A1 (zh) | 2024-11-14 |
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| PCT/CN2023/097442 Ceased WO2024229909A1 (zh) | 2023-05-11 | 2023-05-31 | 一种显示面板及驱动方法 |
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| US (1) | US20260050337A1 (zh) |
| JP (1) | JP2025518407A (zh) |
| KR (2) | KR20240164365A (zh) |
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| CN119916977A (zh) * | 2025-02-26 | 2025-05-02 | 武汉华星光电半导体显示技术有限公司 | 显示模组 |
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|---|---|---|---|---|
| CN104484071A (zh) * | 2014-12-25 | 2015-04-01 | 上海天马微电子有限公司 | 一种触控面板和触控装置及其驱动方法 |
| CN104915083A (zh) * | 2015-06-30 | 2015-09-16 | 上海天马微电子有限公司 | 触摸屏及显示装置 |
| US20210333909A1 (en) * | 2018-08-31 | 2021-10-28 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Touch control array substrate and display device |
| CN114647343A (zh) * | 2020-12-17 | 2022-06-21 | 合肥鑫晟光电科技有限公司 | 一种触控基板及其制备方法、触控装置 |
| CN114924665A (zh) * | 2022-05-12 | 2022-08-19 | 武汉华星光电半导体显示技术有限公司 | 触控显示模组及触控显示装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103092446B (zh) * | 2013-01-17 | 2015-09-09 | 北京京东方光电科技有限公司 | 一种触摸屏及制备方法、显示装置 |
| CN105204702B (zh) * | 2015-09-25 | 2018-04-20 | 京东方科技集团股份有限公司 | 电磁电容触摸屏 |
| CN111240523B (zh) * | 2020-02-11 | 2021-10-08 | 武汉华星光电半导体显示技术有限公司 | 一种显示装置 |
| CN113741730B (zh) * | 2021-08-25 | 2023-11-28 | 武汉华星光电半导体显示技术有限公司 | 显示装置 |
-
2023
- 2023-05-11 CN CN202310539794.8A patent/CN117453061A/zh active Pending
- 2023-05-31 JP JP2023548956A patent/JP2025518407A/ja active Pending
- 2023-05-31 KR KR1020237027719A patent/KR20240164365A/ko active Pending
- 2023-05-31 US US18/262,741 patent/US20260050337A1/en active Pending
- 2023-05-31 WO PCT/CN2023/097442 patent/WO2024229909A1/zh not_active Ceased
- 2023-05-31 KR KR1020257019626A patent/KR20250092291A/ko active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484071A (zh) * | 2014-12-25 | 2015-04-01 | 上海天马微电子有限公司 | 一种触控面板和触控装置及其驱动方法 |
| CN104915083A (zh) * | 2015-06-30 | 2015-09-16 | 上海天马微电子有限公司 | 触摸屏及显示装置 |
| US20210333909A1 (en) * | 2018-08-31 | 2021-10-28 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Touch control array substrate and display device |
| CN114647343A (zh) * | 2020-12-17 | 2022-06-21 | 合肥鑫晟光电科技有限公司 | 一种触控基板及其制备方法、触控装置 |
| CN114924665A (zh) * | 2022-05-12 | 2022-08-19 | 武汉华星光电半导体显示技术有限公司 | 触控显示模组及触控显示装置 |
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| Publication number | Publication date |
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| CN117453061A (zh) | 2024-01-26 |
| KR20240164365A (ko) | 2024-11-19 |
| JP2025518407A (ja) | 2025-06-13 |
| KR20250092291A (ko) | 2025-06-23 |
| US20260050337A1 (en) | 2026-02-19 |
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