WO2021254490A1 - 触控模组、触控显示屏及电子设备 - Google Patents
触控模组、触控显示屏及电子设备 Download PDFInfo
- Publication number
- WO2021254490A1 WO2021254490A1 PCT/CN2021/100956 CN2021100956W WO2021254490A1 WO 2021254490 A1 WO2021254490 A1 WO 2021254490A1 CN 2021100956 W CN2021100956 W CN 2021100956W WO 2021254490 A1 WO2021254490 A1 WO 2021254490A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- area
- touch
- electrode
- layer
- metal mesh
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 134
- 239000002184 metal Substances 0.000 claims abstract description 134
- 239000010410 layer Substances 0.000 claims description 202
- 239000011241 protective layer Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000011368 organic material Substances 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 230000008878 coupling Effects 0.000 description 20
- 238000010168 coupling process Methods 0.000 description 20
- 238000005859 coupling reaction Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910004205 SiNX Inorganic materials 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1698—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
Definitions
- the present disclosure relates to the field of display technology, and in particular to a touch module, a touch display screen and an electronic device.
- the present disclosure proposes a touch module, a touch display screen, and an electronic device, and the solution is as follows:
- a touch module includes:
- the second metal mesh layer has a first area and a second area, and the second metal mesh layer includes a plurality of touch units located in the first area, and A first electrode, the first electrode is coupled to a first touch unit of the plurality of touch units, and the first touch unit is adjacent to the first side of the second area;
- the first metal mesh layer has a third area, and the orthographic projection of the third area on the supporting layer overlaps with the orthographic projection of the second area on the supporting layer.
- the first metal mesh The grid layer includes a second electrode located in the third area, the second electrode is coupled to a second touch unit of the plurality of touch units, and the second touch unit is connected to the second touch unit. The other side of the area is adjacent, and the first electrode and the second electrode are used to form a target touch unit.
- the orthographic projection of the third area on the supporting layer coincides with the orthographic projection of the second area on the supporting layer.
- the first side and the second side are two adjacent sides of the second area.
- each of the touch control units in the first area includes: a sensing electrode and a driving electrode;
- the first electrode is coupled to one of the sensing electrode and the driving electrode in the first touch unit
- the second electrode is coupled to the other of the sensing electrode and the driving electrode in the second touch unit.
- One electrode is coupled.
- the orthographic projection of the first electrode on the carrier layer coincides with the orthographic projection of the second area on the carrier layer
- the orthographic projection of the second electrode on the carrier layer coincides with the orthographic projection of the second electrode on the carrier layer.
- the orthographic projections of the third area on the bearing layer coincide.
- the middle part of the second area is hollowed out, and the middle part of the third area is hollowed out;
- the orthographic projection of the hollowed-out portion of the second area on the supporting layer overlaps with the orthographic projection of the hollowed-out portion of the third area on the supporting layer.
- the orthographic projection of the hollowed-out portion of the second region on the carrier layer coincides with the orthographic projection of the hollowed-out portion of the third region on the carrier layer.
- the size of the second area is the same as the size of an area occupied by one of the touch units in the first area, and the shape of the second area is the same as that of one of the first areas.
- the shape of the area occupied by the touch unit is the same.
- the second metal mesh layer includes one of the first electrodes located in the second region, and the number of the second electrodes included in the first metal mesh layer is equal to the number of the second electrodes.
- the number of the first electrodes included in the metal mesh layer is equal.
- the size of the second area is the same as the size of the area occupied by the plurality of touch units in the first area, and the shape of the second area is the same as that of the first area.
- the shapes of the areas occupied by the touch units are the same.
- the second metal mesh layer includes one or more of the first electrodes located in the second area;
- the number of the second electrodes included in the first metal grid layer is equal to the number of the first electrodes included in the second metal grid layer.
- the second area has rounded corners.
- the second metal mesh layer further includes: one or more dummy electrodes on the first electrode.
- the material of the supporting layer is silicon nitride or silicon oxide; or, the supporting layer is a transparent glass layer.
- the second electrode and the second touch unit are coupled through a via hole.
- one end of the via hole is located at a position where two metal lines of the first metal grid layer intersect, and the other end of the via hole is located at a position where two metal lines of the second metal grid layer intersect. Corresponds to the intersecting position.
- the touch module further includes: a protective layer on a side of the second metal mesh layer away from the carrier layer.
- the material of the protective layer is an organic material.
- a touch display screen is provided, wherein the touch display screen includes: a display screen, and the touch module as described in the above aspect.
- an electronic device wherein the electronic device includes: a power supply component, and the touch display screen as described in the foregoing aspect;
- the power supply component is coupled to the touch display screen, and the power supply component is used for supplying power to the touch display screen.
- FIG. 1 is a schematic structural diagram of a touch module provided by an embodiment of the present disclosure
- FIG. 2 is a schematic structural diagram of a second metal mesh layer of a touch module provided by an embodiment of the present disclosure
- FIG. 3 is a schematic diagram of the structure of a first metal mesh layer of a touch module provided by an embodiment of the present disclosure
- FIG. 4 is a schematic structural diagram of a second metal mesh layer of another touch module provided by an embodiment of the present disclosure
- FIG. 5 is a schematic structural diagram of a first metal mesh layer of another touch module provided by an embodiment of the present disclosure
- FIG. 6 is a schematic structural diagram of a second metal mesh layer of another touch module provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of the structure of a first metal mesh layer of another touch module provided by an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of another second metal mesh layer of a touch module provided by an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of a first metal mesh layer of still another touch module provided by an embodiment of the present disclosure.
- FIG. 10 is a schematic structural diagram of another touch module provided by an embodiment of the present disclosure.
- FIG. 11 is a schematic structural diagram of a touch display screen provided by an embodiment of the present disclosure.
- FIG. 12 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.
- the labels in Figure 1 to Figure 9 are: 1-carrying layer, 2-first metal grid layer, 21-third area, 211-second electrode, 3-insulating layer, 4-second metal grid layer, 41-first area, 411-touch unit, 42-second area, 421-first electrode, 4211-dummy electrode, 5-via, 6-protection layer, 00-display, 01-touch module , 000-electronic equipment and J1-power supply components.
- the area of the touch unit set at the position of the opening or the corner of the arc is much smaller than the area of the touch unit set at other positions . corresponding.
- the capacitance signal amount of the touch unit at the position of the opening or the corner of the arc is lower. As a result, the touch accuracy at the position of the opening or the corner of the arc is poor, which seriously affects the user experience.
- the embodiment of the present disclosure provides a touch module.
- a touch display screen including the touch module the touch accuracy at any position is better, which effectively improves the user experience.
- FIG. 1 is a schematic structural diagram of a touch module provided by an embodiment of the present disclosure.
- the touch module includes: a carrier layer 1, a first metal mesh layer 2, an insulating layer 3 and a second metal mesh layer 4 stacked in sequence.
- FIG. 2 shows a structure of the second metal mesh layer 4.
- FIG. 3 shows a structure of the first metal mesh layer 2.
- the touch control module is generally located on one side of the display screen for the user to touch.
- the second metal mesh layer 4 has a first area 41 and a second area 42. That is, the second metal mesh layer 4 includes a first area 41 and a second area 42.
- the second metal mesh layer 4 includes a plurality of touch units 411 located in the first area 41 and a first electrode 421 located in the second area 42. That is, the first area 41 is formed with a plurality of touch units 411, and the second area 42 is formed with the first electrode 421.
- the first electrode 421 may be coupled to a first touch unit of the plurality of touch units 411, and the first touch unit is adjacent to the first side L1 of the second area 42. That is, the first electrode 421 is coupled to the touch unit 411 adjacent to one side of the second area 42. Coupling may refer to electrical connection.
- the first metal mesh layer 2 provided by the embodiment of the present disclosure has a third region 21, and the orthographic projection of the third region 21 on the carrier layer 1 and the second region 42 on the carrier layer 1 The orthographic projections overlap.
- the first metal mesh layer 2 includes a second electrode 211 located in the third area 21, that is, the third area 21 forms the second electrode 211.
- the second electrode 211 is coupled to a second touch unit of the plurality of touch units 411, and the second touch unit is adjacent to the second side L2 of the second area 42. That is, the second electrode 211 is coupled to the touch unit 411 adjacent to the other side of the second area 42.
- the first electrode 421 located in the second area 42 and the second electrode 211 located in the third area 21 can be used to form a target touch unit for the user to touch.
- the capacitance signal of the target touch unit formed by the first electrode 421 and the second electrode 211 is relatively large, and the target touch unit The output touch accuracy is higher.
- the orthographic projection of the second area 42 on the display screen and the orthographic projection of the third area 31 on the display screen can be set to be located at the openings on the display screen or the arc corners of the display screen, thereby effectively improving The touch accuracy and sensitivity of the opening position of the display screen or the position of the arc corners.
- metal mesh Metal Mesh
- ITO indium tin oxide
- the use of metal mesh (Metal Mesh) as the conductive layer compared with the traditional conductive layer made of indium tin oxide (ITO) material, not only has a thinner thickness, but also can make the final touch The resistance of the unit is lower. That is, the touch unit formed by using the metal mesh layer has good conductive effect and touch effect.
- the metal grid can replace the traditional indium tin oxide ITO conductive layer, and the use of the metal grid as the electrode can make the resistance lower and the conductive layer or electrode layer thinner. Therefore, using the first metal mesh layer 2 to form the touch unit 411 can have good conductivity and touch effects.
- the bearing layer 1 may be a buffer layer that can be directly formed on the surface of the display screen.
- the insulating layer 3 may be a film layer capable of insulating and isolating the first metal mesh layer 2 and the second metal mesh layer 4.
- the material of the insulating layer can be selected according to actual needs, and the embodiment of the present disclosure does not specifically limit it.
- the embodiments of the present disclosure provide a touch module.
- the touch module includes a carrier layer, a first metal mesh layer, an insulating layer, and a second metal mesh layer that are stacked, and the first metal mesh layer includes a second electrode located in a third area, and the second metal mesh
- the grid layer includes a first electrode located in the second area, and the third area overlaps the second area. In this way, the capacitance signal amount of the touch unit formed by the first electrode and the second electrode is relatively large. Based on this, by setting the second area and the third area at positions corresponding to the openings of the display screen or the corners of the arc, the touch accuracy and touch sensitivity at the positions can be effectively improved.
- the multiple touch units 411 in the first area 41 may be arranged in a matrix.
- Each touch unit 411 may include sensing electrodes and driving electrodes.
- the sensing electrodes in the multiple touch units 411 can be connected through a coupling bridge.
- the driving electrodes in the multiple touch units 411 can also be connected through a coupling bridge.
- the structure and setting position of the are all mastered by the technicians.
- the shape of the sensing electrode and the driving electrode in the touch unit 411 can be set as required, and the embodiment of the present disclosure does not specifically limit it.
- the first electrode 421 may be coupled with one of the sensing electrode and the driving electrode in the first touch unit, and the second electrode 211 may be coupled with the sensing electrode and the driving electrode in the second touch unit.
- the other electrode in the coupling That is, if the first electrode 421 is coupled to the sensing electrode in the first touch unit, the second electrode 211 is coupled to the driving electrode in the second touch unit.
- the electrode 211 serves as a driving electrode, and the two form a target touch unit. If the first electrode 421 is coupled to the driving electrode in the first touch unit, the second electrode 211 is coupled to the sensing electrode in the second touch unit, that is, the first electrode 421 serves as the driving electrode, and the second electrode 211 serves as the driving electrode. Sensing electrodes, the two form a target touch unit.
- the second metal mesh layer 4 described in the embodiment of the present disclosure may further include: one or more dummy electrodes 4211 on the first electrode 421.
- the number of dummy electrodes 4211 can be set according to design and usage requirements.
- each dummy electrode 4211 can be set according to usage requirements. For example, they may all be oval shapes as shown in FIG. 2 or other shapes, such as rhombuses.
- the first electrode 421 may be directly coupled to the first touch unit.
- the opening position of the display screen can be designed without borders.
- it also avoids the problem of cracks in the display screen caused by the cutting of the opening positions, and eventually the local touch channel is disconnected and the problem of poor touch.
- the second electrode 211 and the second touch unit may be coupled through the via 5.
- the method of forming the via 5 is mastered by the technicians.
- both the first metal mesh layer 2 and the second metal mesh layer 4 may be a mesh structure formed by a plurality of metal wires staggered.
- One end of the via hole 5 may be located at a position where the two metal lines of the first metal mesh layer 2 intersect, and the other end of the via hole 5 may be located at a position where the two metal lines of the second metal mesh layer 4 intersect. That is, one end of the via hole 5 may correspond to the position where the two metal lines of the first metal mesh layer 2 intersect, and the other end of the via hole 5 may correspond to the position where the two metal lines of the second metal mesh layer 4 intersect. correspond.
- a plurality of vias 5 may be included, and the plurality of vias 5 may be arranged in a suitable arrangement according to the needs of the design, for example, may be a matrix arrangement as shown in the figure.
- first side L1 and the second side L2 may be two adjacent sides of the second area 42. That is, referring to FIGS. 2 and 3, the first touch unit coupled to the first electrode 421 and the second touch unit coupled to the second electrode 211 may be respectively located on the right side adjacent to the second area 42 having a rectangular shape. And downside.
- first side L1 and the second side L2 may not be adjacent.
- first touch unit coupled to the first electrode 421 and the second touch unit coupled to the second electrode 211 may be respectively located on the left and right sides of the second area 42 that is rectangular. .
- the orthographic projection of the third region 21 on the carrier layer 1 and the orthographic projection of the second region 42 on the carrier layer 1 may overlap, that is, the second region 42 of the first metal mesh layer 2 and the second metal
- the third area 21 of the grid layer 4 corresponds to and has the same shape and size. In this way, it can be ensured that the relative area of the first electrode 421 located in the second area 42 and the second electrode 211 located in the third area 21 is large, and the target touch unit formed by the first electrode 421 and the second electrode 211 can be further ensured.
- the amount of capacitive signal is larger, which improves the touch accuracy and sensitivity of the display.
- the shape of the second area 42 and the third area 21 may be determined according to the position corresponding to the display screen.
- the second area 42 and the third area 21 correspond to the opening positions of the display screen, referring to FIG. 2 and FIG.
- the orthographic projection of the central hollow of the region 42 on the carrier layer 1 and the orthographic projection of the middle hollow of the third region 21 on the carrier 1 may overlap and correspond to the position of the opening of the display screen. That is, when the two correspond to the position of the rounded corners of the display screen, the two are arc-shaped.
- the orthographic projection of the hollowed-out middle of the second region 42 on the carrier layer 1 and the orthographic projection of the hollowed-out middle of the third region 21 on the carrier layer 1 may also overlap.
- the middle hollow of the second area 42 and the middle hollow of the third area 21 have the same shape and size, and they penetrate each other to the opening.
- the hollow shape of the middle part may be the same as the shape of the opening of the display screen, for example, both are circular as shown in FIG. 2 and FIG. 3. Of course, in some embodiments, it may also have other shapes, such as oblong and rhombus. It can be understood at this time that the second area 42 is a hollow ring, and the third area 21 is the same as the second area 42.
- the second area 42 and the third area 21 correspond to the arc corners of the display screen
- the second area 42 and the third area 21 have rounded corners, and the The rounded corners coincide with the arc corners of the display screen. That is, the second area 42 may also have a rounded corner shape, which is used to correspond to the rounded corners of the display screen.
- the orthographic projection of the first electrode 421 on the carrier layer 1 and the orthographic projection of the second area 42 on the carrier layer 1 may overlap, and the orthographic projection of the second electrode 211 on the carrier layer 1 is the same as the orthographic projection of the second electrode 211 on the carrier layer 1.
- the orthographic projections on the supporting layer 1 can be overlapped. That is, the first electrode 421 may occupy the entire second area 42 of the first metal mesh layer 2, and the second electrode 211 may also occupy the entire third area 21 of the second metal mesh layer 4. In this way, it can be further ensured that the target touch unit formed by the first electrode 421 and the second electrode 211 has a larger capacitance signal amount, and further ensures touch accuracy and touch sensitivity.
- the second area 42 and the third area 21 are provided with holes corresponding to the display screen, since the second area 42 corresponds to the third area 21 and has the same shape and size, the second area 42 is used as the main area and size.
- the description of the relative display position wherein, without the second area 42, the touch unit 411 needs to occupy the entire first metal mesh layer 2, while taking into account the electrical connection between the touch unit 411, and the first electrode 421 and the touch unit
- the size of the second area 42 can be described by the number of touch units 411 occupied.
- the size of the second area 42 may be the same as the size of the area occupied by one touch unit 411 in the first area 41, and the shape of the second area 42 is the same as that of the first area 41.
- the shape of the area occupied by the touch unit 411 may be the same.
- the second metal mesh layer 4 may include a first electrode 421 located in the second region 42, and the number of the second electrodes 21 included in the first metal mesh layer 2 is the same as that of the second metal mesh layer.
- the number of the first electrodes 421 included in 4 may be equal. That is, the first metal mesh layer 2 may also include a second electrode 211.
- the size of the second area 42 may be the same as the size of the area occupied by the multiple touch units 411 in the first area 41, and the shape of the second area 42 is the same as that of the first area 41.
- the shape of the area occupied by the plurality of touch units 411 may be the same.
- the second metal mesh layer 4 may include one or more first electrodes 421 located in the second region 42, and the number of the second electrodes 21 included in the first metal mesh layer 2 is the same as that of the second metal.
- the number of the first electrodes 421 included in the mesh layer 4 may be equal. That is, the first metal mesh layer 2 may also include one or more second electrodes 211.
- the number of the second electrodes 211 included in the first metal mesh layer 2 is greater than the number of the first electrodes 421 included in the second metal mesh layer 4
- the quantity can also be unequal.
- the second metal mesh layer 4 may include one first electrode 421 located in the second region 42, and the first metal mesh layer 2 includes two second electrodes 211 located in the third region 21.
- the second metal mesh layer 4 may include two first electrodes 421 located in the second region 42, and the first metal mesh layer 2 includes one second electrode 211 located in the third region 21.
- the touch unit 411 In the absence of the second area 42, the touch unit 411 needs to occupy the entire first metal mesh layer 2, that is, the entire first metal mesh layer 2 only includes a plurality of touch units 411, and does not include any other electrodes And the shape and size of the area occupied by each touch unit 411 are the same. At the same time, considering the electrical connection between the touch unit 411 and the coupling between the first electrode 421 and the first touch unit, the size of the second area 42 described below can be determined by the number of areas occupied by the touch unit 411 Describe.
- the second area 42 may have two situations. One is as shown in FIGS. 2 and 3, where the second area 42 occupies an area of the touch unit 411. At this time, as shown in FIG. 2, The number of the first electrode 421 is one, and the first electrode 421 is coupled to one first touch unit. As shown in FIG. 3, the number of the second electrode 211 is one, and the second electrode 211 is coupled to one second touch unit through the via 5. It can be seen from the figure that in this scenario, the area of the second area 42 is relatively small, and the area of the first electrode 421 can be effectively increased by arranging a complete first electrode 421 in the second area 42.
- the area of the third region 21 is relatively small, and the area of the second electrode 211 can also be effectively increased by arranging a complete second electrode 211 in the third region 21. In this way, the capacitance signal amount of the target touch unit formed by the first electrode 421 and the second electrode 211 can be increased, and the touch sensitivity can be improved.
- the second area 42 occupies the area of two touch units 411.
- the area of the second region 42 is larger.
- the number of the second electrodes 421 may be two, and they are respectively coupled to the two first touch units located on different sides of the second area 42 in a one-to-one correspondence.
- the number of the second electrodes 211 may be two, and they are respectively coupled to the two second touch units located on different sides of the second area 42 through the vias 5 in a one-to-one correspondence.
- the number of the second electrodes 421 may be two, and they are respectively coupled to the two first touch units located on different sides of the second area 42 in a one-to-one correspondence.
- the number of the second electrode 211 can be one, and it is coupled to one second touch unit through the via 5.
- the number of the second electrode 421 may be one, and it is coupled to one first touch unit.
- the number of the second electrodes 211 may be two, and they are respectively coupled to the two second touch units located on different sides of the second area 42 through the vias 5 in a one-to-one correspondence.
- the number of first electrodes 421 included in the second metal mesh layer 4 may be the same as the number of regions of the touch unit occupied by the second region 41.
- the second area 42 may occupy two or more touches located in a row as shown in FIG.
- the control unit 411 may occupy two or more touch units 411 in a row.
- the size of the second area 42 can refer to the description of the opening position of the second area 42 corresponding to the display screen, that is, the area of the second area 42 can be relatively small and only occupy the area of one touch unit 411. Or the area of the second area 42 may be relatively large, such as an area occupied by multiple touch units 411.
- the number of the first electrode 421 may be one, and the first electrode 421 is coupled to one first touch unit .
- the number of the second electrode 211 may be one, and is coupled to the second touch unit through the via 5.
- the number of the first electrodes 421 corresponds to two, and the two first electrodes 421 are located in the second area respectively.
- the two first touch units on different sides of the area 42 are coupled in a one-to-one correspondence.
- the number of the second electrodes 211 corresponds to two, and they are respectively coupled to the two second touch units located on different sides of the second area 42 through the vias 5 in a one-to-one correspondence.
- the touch module described in the embodiment of the present disclosure may further include: a protective layer 6 located on the side of the second metal mesh layer 4 away from the carrier layer 1.
- the protective layer 6 is a film layer capable of waterproofing, dustproofing, insulating and strengthening.
- the material of the protective layer 6 can be selected according to actual needs.
- the material of the protective layer 6 may be an organic material, that is, the protective layer 6 may be a film layer of an organic material.
- the material of the supporting layer 1 may be silicon nitride (SiNx) or silicon oxide (SiOx), that is, the supporting layer 1 may be a film layer made of SiNx/SiOx.
- the touch module can be directly formed on the light emitting side of the display screen through conventional process methods such as evaporation, exposure, and etching, and together with the display screen, form a touch display screen with touch function.
- the carrier layer 1 may be a transparent glass layer.
- the touch module can be molded separately. That is, a transparent glass layer can be used as a substrate, and the first metal mesh layer 2, the insulating layer 3, the second metal mesh layer 4, and the protective layer 6 can be laminated and formed sequentially on the substrate using an existing layer film process.
- the formed touch module can be combined with the display screen through a full bonding process to form a touch display screen with touch function.
- the touch module provided in the technical solution of the present disclosure is provided with a first metal mesh layer 2 and a second metal mesh layer 4, and a plurality of touch units are provided in the first area 41 of the second metal mesh layer 4 411 may correspond to the surface of the display screen, and is used to realize the touch function of the main body surface of the display screen.
- the second area 42 may be located at the rounded corners of the display screen, and/or the second area 42 may be arranged opposite to the opening of the display screen. That is, the second area 42 is opposite to the opening position of the display screen. In this way, the second area 42 is set as the first electrode 421, which corresponds to the second area 42 and is located on the third area of the first metal mesh layer 2.
- the area 21 is set as the second electrode 211, it can ensure that the touch unit 411 formed by the first electrode 421 and the second electrode 211 can have a larger capacitance signal, and the opening position of the display screen corresponding to the second area 42 can be improved And the sensitivity of the rounded corner position touch.
- the touch module provided in the embodiment of the present invention does not need to provide additional signal coupling lines in the second area 42, that is, does not need to additionally provide the second area 42 and the first area 41.
- the signal coupling line coupled to the touch unit 411 can be designed without a frame at the opening position of the display screen, and because there is no need to set the signal coupling line, it avoids the panel cracking caused by the cutting of the opening position, which will eventually lead to The local touch channel is disconnected and the touch is bad.
- the embodiments of the present disclosure provide a touch module.
- the touch module includes a carrier layer, a first metal mesh layer, an insulating layer, and a second metal mesh layer that are stacked, and the first metal mesh layer includes a second electrode located in a third area, and the second metal mesh
- the grid layer includes a first electrode located in the second area, and the third area overlaps the second area. In this way, the capacitance signal amount of the touch unit formed by the first electrode and the second electrode is relatively large. Based on this, by setting the second area and the third area at positions corresponding to the openings of the display screen or the corners of the arc, the touch accuracy and touch sensitivity at the positions can be effectively improved.
- FIG. 11 is a schematic structural diagram of a touch display screen provided by an embodiment of the present disclosure.
- the touch display screen may include a display screen 00 and a touch module 01 as shown in any one of FIGS. 1 to 10.
- the touch module 01 may be located on one side of the display screen 00.
- the touch module includes: a carrier layer 1, a first metal mesh layer 2, an insulating layer 3, a second metal mesh layer 4, and a protective layer 5 stacked in sequence.
- the second metal mesh layer 4 includes a first area 41 and a second area 42.
- the first area 41 is formed with a plurality of touch units 411, and the second area 42 forms a first electrode 421 and is located in the first electrode 421 A dummy electrode 4211 is provided, and the first electrode 421 is coupled to the touch unit 411 adjacent to one side of the second area 42;
- the first metal mesh layer 2 has a third area 21, and the third area 21 corresponds to the second area 42 and
- the shape and size are the same, the third area 21 forms the second electrode 211, the second electrode 211 and the touch unit 411 adjacent to the other side of the second area 42 are coupled through the via 5; the first electrode 421 and the second electrode 211 are formed A touch unit 411.
- the touch module in the second embodiment can directly use the touch module provided in the first embodiment, and the specific implementation structure can refer to the related content described in the first embodiment, which will not be repeated here.
- the touch module provided in the technical solution of the present invention is provided with a first metal mesh layer 2 and a second metal mesh layer 4, and a plurality of touch units are provided in the first area 41 of the second metal mesh layer 4 411 may correspond to the surface of the display screen, and is used to realize the touch function of the main body surface of the display screen.
- the second area 42 may be located at the rounded corners of the display screen, and/or the second area 42 may be arranged opposite to the opening of the display screen. That is, the second area 42 is opposite to the opening position of the display screen. In this way, the second area 42 is set as the first electrode 421, which corresponds to the second area 42 and is located on the third area of the first metal mesh layer 2.
- the area 21 is set as the second electrode 211, it can ensure that the touch unit 411 formed by the first electrode 421 and the second electrode 211 can have a larger capacitance signal, and the opening position of the display screen corresponding to the second area 42 can be improved And the sensitivity of the rounded corner position touch.
- the touch module provided in the embodiment of the present invention does not need to provide additional signal coupling lines in the second area 42, that is, there is no need to additionally provide the second area 42 and the first area 41 to contact the touch module.
- the signal coupling line coupled to the control unit 411 can be designed without borders at the opening position of the display screen, and since there is no need to set the signal coupling line, the panel cracking caused by the cutting of the opening position is avoided, and the partial resultant result is avoided.
- the touch channel is disconnected and the touch is bad.
- FIG. 12 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure. As shown in FIG. 12, the electronic device may include a power supply assembly 100, and a touch display screen 000 as shown in FIG. 11.
- the power supply component 100 can be coupled to the touch display screen 000 for supplying power to the touch display screen 000.
- the touch module includes: a carrier layer 1, a first metal mesh layer 2, an insulating layer 3, a second metal mesh layer 4 and a protective layer 5 stacked in sequence.
- the second metal mesh layer 4 includes a first area 41 and a second area 42.
- the first area 41 is formed with a plurality of touch units 411, and the second area 42 forms a first electrode 421 and is located in the first electrode 421 A dummy electrode 4211 is provided, and the first electrode 421 is coupled to the touch unit 411 adjacent to one side of the second area 42;
- the first metal mesh layer 2 has a third area 21, and the third area 21 corresponds to the second area 42 and The shape and size are the same, the third area 21 forms the second electrode 211, the second electrode 211 and the touch unit 411 adjacent to the other side of the second area 42 are coupled through the via 5; the first electrode 421 and the second electrode 211 are formed A touch unit 411.
- the touch module in the third embodiment can directly use the touch module provided in the first embodiment, and the specific implementation structure can refer to the related content described in the first embodiment, which will not be repeated here.
- the touch module provided in the technical solution of the present invention is provided with a first metal mesh layer 2 and a second metal mesh layer 4, and a plurality of touch units are provided in the first area 41 of the second metal mesh layer 4 411 may correspond to the surface of the display screen, and is used to realize the touch function of the main body surface of the display screen.
- the second area 42 may be located at the rounded corners of the display screen, and/or the second area 42 may be arranged opposite to the opening of the display screen. That is, the second area 42 is opposite to the opening position of the display screen. In this way, the second area 42 is set as the first electrode 421, which corresponds to the second area 42 and is located on the third area of the first metal mesh layer 2.
- the area 21 is set as the second electrode 211, it can ensure that the touch unit 411 formed by the first electrode 421 and the second electrode 211 can have a larger capacitance signal, and the opening position of the display screen corresponding to the second area 42 can be improved And the sensitivity of the rounded corner position touch.
- the touch module provided in the embodiment of the present invention does not need to provide additional signal coupling lines in the second area 42, that is, there is no need to additionally provide the second area 42 and the first area 41 to contact the touch module.
- the signal coupling line coupled to the control unit 411 can be designed without borders at the opening position of the display screen, and since there is no need to set the signal coupling line, the panel cracking caused by the cutting of the opening position is avoided, and the partial resultant result is avoided.
- the touch channel is disconnected and the touch is bad.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
Claims (20)
- 一种触控模组,所述触控模组包括:依次层叠设置的承载层、第一金属网格层、绝缘层和第二金属网格层;所述第二金属网格层具有第一区域和第二区域,且所述第二金属网格层包括位于所述第一区域中的多个触控单元,以及位于所述第二区域中的第一电极,所述第一电极与所述多个触控单元中的第一触控单元耦接,所述第一触控单元与第二区域的第一侧相邻;所述第一金属网格层具有第三区域,所述第三区域在所述承载层上的正投影与所述第二区域在所述承载层上的正投影重叠,所述第一金属网格层包括位于所述第三区域中的第二电极,所述第二电极与所述多个触控单元中的第二触控单元耦接,所述第二触控单元与所述第二区域的另一侧相邻,所述第一电极与所述第二电极用于形成一目标触控单元。
- 根据权利要求1所述的触控模组,其中,所述第三区域在所述承载层上的正投影与所述第二区域在所述承载层上的正投影重合。
- 根据权利要求1或2所述的触控模组,其中,所述第一侧与所述第二侧为所述第二区域相邻的两侧。
- 根据权利要求1至3任一所述的触控模组,其中,所述第一区域中的每个所述触控单元均包括:感应电极和驱动电极;所述第一电极与所述第一触控单元中的感应电极和驱动电极中的一个电极耦接,所述第二电极与所述第二触控单元中的感应电极和驱动电极中的另一个电极耦接。
- 根据权利要求1至4任一所述的触控模组,其中,所述第一电极在所述承载层上的正投影与所述第二区域在所述承载层上的正投影重合,所述第二电极在所述承载层上的正投影与所述第三区域在所述承载层上的正投影重合。
- 根据权利要求1至5任一所述的触控模组,其中,所述第二区域的中部镂空,所述第三区域的中部镂空;且,所述第二区域的镂空部分在所述承载层上的正投影和所述第三区域的镂空部分在所述承载层上的正投影重叠。
- 根据权利要求6所述的触控模组,其中,所述第二区域的镂空部分在所述承载层上的正投影和所述第三区域的镂空部分在所述承载层上的正投影重合。
- 根据权利要求1至7任一所述的触控模组,其中,所述第二区域的尺寸与所述第一区域中的一个所述触控单元所占区域的尺寸相同,且所述第二区域的形状与所述第一区域中的一个所述触控单元所占区域的形状相同。
- 根据权利要求8述的触控模组,其中,所述第二金属网格层包括位于所述第二区域中的一个所述第一电极,所述第一金属网格层包括的所述第二电极的数量与所述第二金属网格层包括的所述第一电极的数量相等。
- 根据权利要求1至9任一所述的触控模组,其中,所述第二区域的尺寸与所述第一区域中的多个所述触控单元所占区域的尺寸相同,且所述第二区域的形状与所述第一区域中的多个所述触控单元所占区域的形状相同。
- 根据权利要求10所述的触控模组,其中,所述第二金属网格层包括位于所述第二区域的一个或多个所述第一电极;所述第一金属网格层包括的所述第二电极的数量与所述第二金属网格层包括的所述第一电极的数量相等。
- 根据权利要求1至11任一所述的触控模组,其中,所述第二区域具有圆角。
- 根据权利要求1至12任一所述的触控模组,其中,所述第二金属网格层还包括:位于所述第一电极上的一个或多个虚设电极。
- 根据权利要求1至13任一所述的触控模组,其中,所述承载层的材质为氮化硅或氧化硅;或,所述承载层为透明玻璃层。
- 根据权利要求1至14任一所述的触控模组,其中,所述第二电极与所述第二触控单元通过过孔耦接。
- 根据权利要求15所述的触控模组,其中,所述过孔的一端位于所述第一金属网格层的两条金属线相交的位置处,所述过孔的另一端位于所述第二金属网格层的两条金属线相交的位置处。
- 根据权利要求1至16任一所述的触控模组,其中,所述触控模组还包括:位于所述第二金属网格层远离所述承载层一侧的保护层。
- 根据权利要求17所述的触控模组,其中,所述保护层的材质为有机材质。
- 一种触控显示屏,其中,所述触控显示屏包括:显示屏,以及如权利要求1-18任一所述的触控模组。
- 一种电子设备,其中,所述电子设备包括:供电组件,以及如权利要求19所述的触控显示屏;所述供电组件与所述触控显示屏耦接,所述供电组件用于为所述触控显示屏供电。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/775,731 US12001637B2 (en) | 2020-06-19 | 2021-06-18 | Touch module, touch display screen, and electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010568114.1 | 2020-06-19 | ||
CN202010568114.1A CN111708461B (zh) | 2020-06-19 | 2020-06-19 | 触控模组、触控显示屏及电子设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2021254490A1 true WO2021254490A1 (zh) | 2021-12-23 |
WO2021254490A9 WO2021254490A9 (zh) | 2022-03-17 |
Family
ID=72541670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/100956 WO2021254490A1 (zh) | 2020-06-19 | 2021-06-18 | 触控模组、触控显示屏及电子设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US12001637B2 (zh) |
CN (1) | CN111708461B (zh) |
WO (1) | WO2021254490A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023142504A1 (zh) * | 2022-01-28 | 2023-08-03 | 云谷(固安)科技有限公司 | 触控面板及显示装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114556274B (zh) * | 2020-09-27 | 2024-03-15 | 京东方科技集团股份有限公司 | 触控结构及显示设备 |
CN112286388B (zh) * | 2020-10-29 | 2022-12-20 | 维沃移动通信有限公司 | 电子设备及触控显示屏的制备方法 |
KR20230019291A (ko) * | 2021-07-29 | 2023-02-08 | 삼성디스플레이 주식회사 | 표시 장치 |
CN116324690A (zh) * | 2021-09-03 | 2023-06-23 | 京东方科技集团股份有限公司 | 触控显示面板和显示装置 |
CN114489375A (zh) * | 2021-12-29 | 2022-05-13 | 重庆莱宝科技有限公司 | 一种触控屏与触控显示屏 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150324056A1 (en) * | 2014-05-12 | 2015-11-12 | Japan Display Inc. | Portable electronic device |
US20160103517A1 (en) * | 2014-10-10 | 2016-04-14 | Samsung Display Co., Ltd. | Touch sensor and display including the same |
CN107422932A (zh) * | 2017-08-01 | 2017-12-01 | 上海天马微电子有限公司 | 显示面板、移动终端及其驱动方法 |
CN108984046A (zh) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | 触摸显示装置 |
CN109360494A (zh) * | 2018-10-15 | 2019-02-19 | 武汉天马微电子有限公司 | 显示面板和显示装置 |
CN110502152A (zh) * | 2019-08-29 | 2019-11-26 | 合肥维信诺科技有限公司 | 触控面板、触控显示面板及触控显示装置 |
CN110874160A (zh) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | 触控模组和触控屏 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210012086A (ko) * | 2019-07-23 | 2021-02-03 | 삼성디스플레이 주식회사 | 표시 장치 |
-
2020
- 2020-06-19 CN CN202010568114.1A patent/CN111708461B/zh active Active
-
2021
- 2021-06-18 US US17/775,731 patent/US12001637B2/en active Active
- 2021-06-18 WO PCT/CN2021/100956 patent/WO2021254490A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150324056A1 (en) * | 2014-05-12 | 2015-11-12 | Japan Display Inc. | Portable electronic device |
US20160103517A1 (en) * | 2014-10-10 | 2016-04-14 | Samsung Display Co., Ltd. | Touch sensor and display including the same |
CN108984046A (zh) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | 触摸显示装置 |
CN107422932A (zh) * | 2017-08-01 | 2017-12-01 | 上海天马微电子有限公司 | 显示面板、移动终端及其驱动方法 |
CN109360494A (zh) * | 2018-10-15 | 2019-02-19 | 武汉天马微电子有限公司 | 显示面板和显示装置 |
CN110502152A (zh) * | 2019-08-29 | 2019-11-26 | 合肥维信诺科技有限公司 | 触控面板、触控显示面板及触控显示装置 |
CN110874160A (zh) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | 触控模组和触控屏 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023142504A1 (zh) * | 2022-01-28 | 2023-08-03 | 云谷(固安)科技有限公司 | 触控面板及显示装置 |
Also Published As
Publication number | Publication date |
---|---|
US12001637B2 (en) | 2024-06-04 |
WO2021254490A9 (zh) | 2022-03-17 |
US20230094766A1 (en) | 2023-03-30 |
CN111708461A (zh) | 2020-09-25 |
CN111708461B (zh) | 2024-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021254490A1 (zh) | 触控模组、触控显示屏及电子设备 | |
TWI785611B (zh) | 顯示裝置及電子裝置 | |
WO2018036179A1 (zh) | 触控结构、阵列基板和显示装置 | |
WO2020038200A1 (zh) | 显示面板及制备方法以及电子设备 | |
WO2021068407A1 (zh) | 触控感应装置及触控显示面板 | |
JP2019212331A (ja) | 表示装置 | |
WO2018223689A1 (zh) | 一种阵列基板、显示面板及显示装置 | |
WO2017004986A1 (zh) | 触控显示面板及其制作方法、触控显示装置 | |
CN105045435B (zh) | 一种内嵌式触摸屏及显示装置 | |
CN109375405A (zh) | 显示面板及其制作方法、显示装置 | |
TWI580090B (zh) | 內嵌式觸控面板 | |
CN105742330A (zh) | 一种有机发光显示面板及其制作方法、显示装置 | |
TW201020871A (en) | Touch panel and touch display panel | |
CN110308822B (zh) | 触摸显示面板及其制备方法 | |
CN211654824U (zh) | 透明oled基板、透明显示面板、阵列基板、显示屏及显示设备 | |
CN111580695B (zh) | 显示面板及其制作方法和显示装置 | |
WO2019029226A1 (zh) | 触控面板及其制作方法、触控显示装置 | |
WO2019169882A1 (zh) | 触控基板及其制造方法和显示装置 | |
CN111625119B (zh) | 触摸屏及显示装置 | |
US11907456B2 (en) | Touch substrate, display panel, and touch display device | |
CN109002229A (zh) | 一种触控面板、显示模组和触控显示装置 | |
KR20140004716U (ko) | 터치 패널 | |
CN106020562A (zh) | 一种触控屏及其制作方法、外挂式触摸屏 | |
CN206479966U (zh) | 一种触控显示面板和显示装置 | |
WO2024032593A1 (zh) | 显示装置和触控结构 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21824898 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21824898 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 10.07.2023) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21824898 Country of ref document: EP Kind code of ref document: A1 |