CN110794979A - Touch control panel and touch control display panel - Google Patents
Touch control panel and touch control display panel Download PDFInfo
- Publication number
- CN110794979A CN110794979A CN201911046582.6A CN201911046582A CN110794979A CN 110794979 A CN110794979 A CN 110794979A CN 201911046582 A CN201911046582 A CN 201911046582A CN 110794979 A CN110794979 A CN 110794979A
- Authority
- CN
- China
- Prior art keywords
- touch
- electrode
- slit
- touch electrode
- panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims description 44
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 48
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000010408 film Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 239000010409 thin film Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- 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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a touch pad and a touch display panel, which relate to the technical field of display, wherein the touch pad comprises: the touch control device comprises a plurality of first touch control electrodes arranged in a matrix and a plurality of second touch control electrodes arranged in a matrix, wherein the adjacent first touch control electrodes in the same matrix row are electrically connected; the adjacent second touch electrodes in the same matrix column are electrically connected; the dummy electrode is positioned between the first touch electrode and the second touch electrode which are adjacent, a first slit is formed between the dummy electrode and the first touch electrode, and a second slit is formed between the dummy electrode and the second touch electrode; wherein a distance between a center of the first slit and a center of the second slit is L1; and L1 is more than or equal to 500 mu m. The invention provides a touch pad and a touch display panel, so that patterns visible to human eyes do not appear when the touch pad reflects external ambient light.
Description
Technical Field
The invention relates to the technical field of display, in particular to a touch pad and a touch display panel.
Background
With the development of science and technology, a touch display panel with a touch function is widely applied to various display products such as mobile phones, tablet computers, information query machines in halls of public places and the like as an information input tool. Therefore, the user can operate the electronic equipment by only touching the mark on the touch display panel with fingers, dependence of the user on other input equipment (such as a keyboard, a mouse and the like) is eliminated, and man-machine interaction is simpler.
What plays a touch control role in the touch control display panel is a touch control panel, and the touch control panel can generate patterns visible to human eyes when reflecting external ambient light, so that the user experience is poor.
Disclosure of Invention
The invention provides a touch pad and a touch display panel, so that patterns visible to human eyes do not appear when the touch pad reflects external ambient light.
In a first aspect, an embodiment of the present invention provides a touch panel, including:
the touch control device comprises a plurality of first touch control electrodes arranged in a matrix and a plurality of second touch control electrodes arranged in a matrix, wherein the adjacent first touch control electrodes in the same matrix row are electrically connected;
the adjacent second touch electrodes in the same matrix column are electrically connected;
the dummy electrode is positioned between the first touch electrode and the second touch electrode which are adjacent, a first slit is formed between the dummy electrode and the first touch electrode, and a second slit is formed between the dummy electrode and the second touch electrode;
wherein a distance between a center of the first slit and a center of the second slit is L1; and L1 is more than or equal to 500 mu m.
In a second aspect, an embodiment of the present invention provides a touch display panel, including the touch pad of the first aspect.
The touch panel provided by the embodiment of the invention comprises the first touch electrode and the second touch electrode, and the dummy electrode is arranged between the first touch electrode and the second touch electrode, so that the dummy electrode can prevent the first touch electrode and the second touch electrode from generating coupling capacitance when the first touch electrode and the second touch electrode are too close to each other, and the stability of a touch function and the touch precision are ensured. And the distance between the center of the first slit and the center of the second slit is set to be greater than or equal to 500 μm, so that the first slit and the second slit are prevented from being too close to each other, and thus the first slit and the second slit can be clearly distinguished by human eyes, instead of seeing the first slit, the second slit and the area between the first slit and the second slit as a whole, so that patterns visible to human eyes do not appear when the touch panel reflects external ambient light.
Drawings
Fig. 1 is a schematic top view of a touch panel according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the region S1 in FIG. 1;
FIG. 3 is a schematic cross-sectional view along AA' of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along the direction BB' in FIG. 2;
FIG. 5 is a simplified diagram of the touch panel reflecting light propagation;
fig. 6 is a schematic cross-sectional view illustrating another touch pad according to an embodiment of the invention;
fig. 7 is a schematic cross-sectional view illustrating another touch pad according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a touch display panel according to an embodiment of the present invention;
fig. 9 is a top view of a partial structure of a touch display panel according to an embodiment of the present invention;
fig. 10 is a schematic cross-sectional view taken along line CC' in fig. 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic top view structure diagram of a touch panel according to an embodiment of the present invention, fig. 2 is an enlarged structure diagram of an area S1 in fig. 1, fig. 3 is a schematic cross-sectional structure diagram along an AA 'direction in fig. 2, and fig. 4 is a schematic cross-sectional structure diagram along a BB' direction in fig. 2, referring to fig. 1, fig. 2, fig. 3, and fig. 4, the touch panel includes a plurality of first touch electrodes 11 arranged in a matrix and a plurality of second touch electrodes 12 arranged in a matrix, adjacent first touch electrodes 11 in a same matrix row are electrically connected, and adjacent second touch electrodes 12 in a same matrix column are electrically connected. The direction of the matrix rows is the X direction shown in fig. 1, and the direction of the matrix columns is the Y direction shown in fig. 1. The first touch electrode 11 may be a touch driving electrode, and the second touch electrode 12 may be a touch sensing electrode; alternatively, the first touch electrode 11 may be a touch sensing electrode, and the second touch electrode 12 may be a touch driving electrode. The touch pad further includes a dummy electrode 30 (for clarity, the dummy electrode 30 is omitted in fig. 1 to illustrate the array formed by the first touch electrode 11 and the second touch electrode 12), the dummy electrode 30 is located between the adjacent first touch electrode 11 and the second touch electrode 12, a first slit 31 is formed between the dummy electrode 30 and the first touch electrode 11, and a second slit 32 is formed between the dummy electrode 30 and the second touch electrode 12. Wherein, the distance between the center of the first slit 31 and the center of the second slit 32 is L1, and L1 ≧ 500 μm is satisfied. The center of the first slit 31 refers to a position that is equidistant from opposite side edges of the first slit 31 in a direction perpendicular to the extending direction of the first slit 31. The center of the second slit 32 refers to a position that is equidistant from opposite side edges of the second slit 32 in a direction perpendicular to the extending direction of the second slit 32.
Fig. 5 is a simple schematic diagram of the propagation of the reflected light of the touch panel, and referring to fig. 5, a line segment BC between a point B and a point C indicates a distance between a center of the first slit 31 and a center of the second slit 32, and the reflected light of the touch panel propagates to a human eye located at the point a under an oblique viewing angle (25 ° ≦ ∠ OBA ≦ 45 °), and the length of the line segment BC between the point B and the point C is perceived as the length of the line segment CD by the human eye, since the angle of ∠ BCA is relatively small, the length of the line segment BC is approximately equal to the length of the line segment BD, BC ═ CD/(2 × sin (∠ CBD/2)). since the minimum visible size of the human eye is 100 μm, a single object below 100 μm is invisible to the human eye, between 100 μm and 200 μm, the human eye cannot distinguish the point B from the point C, and above 200 μm, the human eye can distinguish the point B from the point C, and the minimum value BC is equal to BC 2 ═ BC 2/(35 μm/(362 μm)). when the point B and the point C are clearly visible.
When external ambient light is reflected, because light rays at the positions of the first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 are reflected for a plurality of times, the light rays pass through a longer optical path, the light rays reflected back to human eyes are less, and the positions of the first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 are in a dark state; the electrodes are not present at the positions of the first slit 31 and the second slit 32, the light is reflected for a few times, the light passes through a short optical path, and the light reflected back to human eyes is more, and the positions of the first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 are bright. That is, the first slit 31 and the second slit 32 represent bright lines when the touch pad reflects the external ambient light, and the first touch electrode 11, the second touch electrode 12, and the dummy electrode 30 represent a dark background when the touch pad reflects the external ambient light. If the first slit 31 and the second slit 32 are set too close (L1 < 462 μm), the human eye cannot distinguish the first slit 31 and the second slit 32, and the dark-state area between the first slit 31 and the second slit 32 is perceived as a bright-state area by the human eye, which is equivalent to increasing the width of the bright line (i.e. the first slit 31 and the second slit 32), so that the touch pad has a pattern visible to the human eye when reflecting the external ambient light, which affects the user experience. When the L1 is greater than or equal to 500 μm, human eyes can distinguish the first slit 31 and the second slit 32, a dark-state area between the first slit 31 and the second slit 32 is a dark-state area, the human eyes sense the dark-state area, the first slit 31 and the second slit 32 are two independent slits, and due to the fact that the widths of the first slit 31 and the second slit 32 are small, patterns visible to human eyes do not appear when the touch panel reflects external ambient light.
It should be noted that if ∠ OBA in fig. 5 satisfies 45 ° ≦ ∠ OBA ≦ 90 °, the value obtained according to the formula BC ═ CD/(2 × sin (∠ CBD/2)) is smaller than the value obtained when ∠ OBA ≦ 25 °, the condition that the point B and the point C can be resolved at all angles cannot be satisfied, and ∠ OBA < 25 ° is less in actual use of the touch panel, and in the case of ∠ OBA < 25 °, the actual application scene of the touch panel (or the touch display panel on which the touch panel is mounted) is observed is less, so 25 ° ∠ OBA ≦ 45 ° is selected for the study.
The touch panel provided by the embodiment of the invention comprises the first touch electrode and the second touch electrode, and the dummy electrode is arranged between the first touch electrode and the second touch electrode, so that the dummy electrode can prevent the first touch electrode and the second touch electrode from generating coupling capacitance when the first touch electrode and the second touch electrode are too close to each other, and the stability of a touch function and the touch precision are ensured. And the distance between the center of the first slit and the center of the second slit is set to be greater than or equal to 500 μm, so that the first slit and the second slit are prevented from being too close to each other, and thus the first slit and the second slit can be clearly distinguished by human eyes, instead of seeing the first slit, the second slit and the area between the first slit and the second slit as a whole, so that patterns visible to human eyes do not appear when the touch panel reflects external ambient light.
Alternatively, referring to FIGS. 2 and 3, L1 ≦ 1200 μm. The dummy electrode 30 has a width L2 in a direction perpendicular to the extending direction of the dummy electrode 30, the first slit 31 has a width L3 in a direction perpendicular to the extending direction of the first slit 31, and the second slit 32 has a width L4 in a direction perpendicular to the extending direction of the second slit 32. Generally, L3 and L4 are small relative to L2, and if L1 > 1200 μm is provided, the distance between the center of the first slit 31 and the center of the second slit 32 is too large, and the width of the dummy electrode 30 is too large. Since the area of the touch pad is limited, the width of the dummy electrode 30 is increased, and the area of the dummy electrode 30 is increased, the area of the first touch electrode 11 and the area of the second touch electrode 12 need to be reduced, and when the area of the first touch electrode 11 and the area of the second touch electrode 12 is too small, the touch performance of the touch pad is affected. In the embodiment of the invention, L1 is more than or equal to 500 mu m and less than or equal to 1200 mu m, so that the touch performance of the touch pad is ensured, and patterns visible to human eyes do not appear when the touch pad reflects external ambient light.
Alternatively, referring to fig. 1, fig. 2, fig. 3 and fig. 4, the first touch electrodes 11 and the second touch electrodes 12 are disposed on the same layer, and adjacent first touch electrodes 11 in the same matrix row are electrically connected through the first connection portion 21. The adjacent second touch electrodes 12 in the same matrix column are electrically connected through the second connection portion 22, and the first connection portion 21 and the first touch electrode 11 are disposed on the same layer. The touch pad further includes a first insulating layer 40, and the first insulating layer 40 is located between the plane of the second connection portion 22 and the plane of the second touch electrode 12. In the embodiment of the present invention, the first touch electrode 11 and the second touch electrode 12 are disposed on the same layer, so that the first touch electrode 11 and the second touch electrode 12 can be formed in the same process by using the same material, and the process is saved.
Optionally, referring to fig. 3 and 4, the second connection portion 22 is located on a side of the second touch electrode 12 facing away from the touch surface of the touch pad. The touch surface of the touch pad is located on the side of the second touch electrode 12 away from the second connection portion 22, when external environment light is irradiated to the touch pad, the external environment light is firstly irradiated to the first touch electrode 11, the second touch electrode 12, the dummy electrode 30, the first slit 31 and the second slit 32, and then irradiated to the first insulating layer 40, and light reflected by the touch pad firstly passes through the first insulating layer 40, and then passes through the first touch electrode 11, the second touch electrode 12, the dummy electrode 30, the first slit 31 and the second slit 32.
Alternatively, referring to fig. 3, the dummy electrode 30 is disposed in the same layer as the first touch electrode 11. Since the first touch electrode 11 and the second touch electrode 12 are disposed in the same layer in the embodiment of the invention, the dummy electrode 30, the first touch electrode 11 and the second touch electrode 12 are disposed in the same layer, so that the dummy electrode 30, the first touch electrode 11 and the second touch electrode 12 can be formed by using the same material and in the same process, and the process is saved.
Optionally, referring to fig. 3 and 4, the touch pad further includes a substrate 50, where the substrate 50 may be a rigid substrate, such as a glass substrate, and the substrate 50 may also be a flexible substrate, such as a polyimide substrate. The first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 are located on the same side of the substrate 50. In the embodiment of the present invention, the touch pad further includes a substrate 50, so that the first touch electrode 11 and the second touch electrode 12 can be formed on the substrate 50, that is, in the embodiment of the present invention, the touch pad only has a touch function, for example, the touch pad can be formed outside the display panel in a plug-in manner. In the embodiment of the present invention, an independent substrate 50 is provided for the first touch electrode 11 and the second touch electrode 12, so that the manufacturing difficulty of the touch panel is reduced, and referring to fig. 3 and fig. 4, in terms of the process, the manufactured touch display panel can implement the manufacturing process by 3 masks, that is, the second connection portion 22 is manufactured; manufacturing a first insulating layer 40 and a via hole; the first touch electrode 11, the second touch electrode 12 and the first connection portion 21 are manufactured. Such a structure is simple in process, and when the touch panel is used for a display device, the cover sheet (cover lens) is only required to be adhered to the layer of the first touch electrode 11 far away from the substrate 50 through optical adhesive.
Fig. 6 is a schematic cross-sectional structure view of another touch pad according to an embodiment of the invention, referring to fig. 6, the touch pad further includes a first insulating layer 40, the first insulating layer 40 is located between a plane where the first touch electrode 11 is located and a plane where the second touch electrode 12 is located, and the first touch electrode 11 and the second touch electrode 12 are disposed in different layers.
Exemplarily, referring to fig. 6, the touch panel further includes a substrate 50, and the first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 are all located on the same side of the substrate 50.
Alternatively, referring to fig. 6, the dummy electrode 30 is disposed in the same layer as the first touch electrode 11. The dummy electrode 30 and the first touch electrode 11 may be formed of the same material and in the same process, thereby saving the process. In other embodiments, the dummy electrode 30 may be disposed on the same layer as the second touch electrode 12.
Alternatively, referring to fig. 3, 4 and 6, the first insulating layer 40 is an inorganic layer. The inorganic layer has a thinner thickness than the organic layer, thereby contributing to a reduction in the thickness of the touch panel. On the other hand, the organic layer cannot be made below 1 micron due to the limitation of the manufacturing process, and the manufacturing process requires more time than the inorganic layer, so in the embodiment of the invention, the inorganic layer is used for forming the first insulating layer 40 in the touch pad, the manufacturing time of the touch pad is saved, and the manufacturing difficulty is reduced.
Alternatively, referring to FIGS. 3, 4, and 6, the thickness of the first insulating layer 40 is greater than or equal to 500nm and less than or equal to 800nm, i.e., 500nm ≦ H ≦ 800 nm. Due to the limitation of the manufacturing process of the inorganic layer, the difficulty of manufacturing the inorganic layer below 500nm is large. The larger the thickness of the inorganic layer, the longer the manufacturing time is required, and the larger the thickness of the inorganic layer, the larger the thickness of the touch panel is, which is contrary to the thinning of the touch panel. In the embodiment of the invention, the first insulating layer 40 is an inorganic layer, and the thickness of the first insulating layer 40 is greater than or equal to 500nm and less than or equal to 800nm, so that the manufacturing difficulty and the manufacturing time of the first insulating layer 40 are reduced, and the first insulating layer 40 is controlled to have a thinner thickness, which is beneficial to reducing the thickness of the touch panel.
Fig. 7 is a schematic cross-sectional structure view of another touch pad according to an embodiment of the invention, and referring to fig. 7, the touch pad further includes a substrate 50, and the first touch electrode 11 and the second touch electrode 12 are located on two opposite sides of the substrate 50.
Alternatively, referring to fig. 7, the dummy electrode 30 is disposed in the same layer as the first touch electrode 11. The dummy electrode 30 and the first touch electrode 11 may be formed of the same material and in the same process, thereby saving the process. In other embodiments, the dummy electrode 30 may be disposed on the same layer as the second touch electrode 12.
Alternatively, referring to fig. 1 to 7, the first touch electrode 11, the second touch electrode 12, and the dummy electrode 30 each include a transparent metal oxide. The transparent metal oxide may be, for example, indium tin oxide. In the embodiment of the present invention, the first touch electrode 11, the second touch electrode 12 and the dummy electrode 30 all include transparent metal oxide, and the transparent metal oxide has high light transmittance, and does not affect the light emitting display when the touch panel is assembled into the touch display panel.
Alternatively, referring to fig. 1 to 7, the widths of the first slit 31 and the second slit 32 are each greater than or equal to 8 μm and less than or equal to 10 μm. That is, 8 μm L3 10 μm, 8 μm L4 10 μm. Since the widths of the first slit 31 and the second slit 32 are set to be smaller, the bright stripes formed by the first slit 31 and the second slit 32 when the touch pad reflects the external ambient light are thinner, and the reflection pattern is less likely to be seen by human eyes. On the other hand, the narrower the widths of the first slit 31 and the second slit 32, the greater the difficulty of the manufacturing process. In the embodiment of the present invention, the manufacturing difficulty of the first slit 31 and the second slit 32 is considered, and the width of the bright stripe formed when the touch panel reflects the external ambient light is considered for the first slit 31 and the second slit 32.
The embodiment of the invention also provides a touch display panel. Fig. 8 is a schematic structural diagram of a touch display panel according to an embodiment of the present invention, and referring to fig. 8, the touch display panel includes any one of the touch pads 100 according to the embodiment of the present invention. The touch display panel may be a mobile phone, a tablet computer, an intelligent wearable device, and the like.
Fig. 9 is a partial top view of a touch display panel according to an embodiment of the present invention, fig. 10 is a schematic cross-sectional view taken along CC' in fig. 9, and referring to fig. 9 and fig. 10, the touch display panel further includes a polarizer 80, and the polarizer 80 is located on a side of the first touch electrode 11 and the second touch electrode 12 facing away from the touch surface of the touch panel 100. Since polarizer 80 has light polarizing ability and has a certain haze, that is, polarizer 80 has a certain homogenization effect on light passing therethrough. For the externally-hung touch display panel, because the touch panel 100 with the touch function is attached after the display panel is attached with the polarizer, the alignment problem does not need to be considered in the process, the process is simpler, and the cost is lower. In the embodiment of the present invention, the polarizer 80 is located on the side of the first touch electrode 11 and the second touch electrode 12 away from the touch surface of the touch panel 100, and the touch panel 100 is prone to generate patterns visible to human eyes when the touch panel 100 reflects the external ambient light, so that the touch panel 100 provided in the embodiment of the present invention is more suitable for preventing the patterns visible to human eyes from being generated, that is, the touch display panel provided in the embodiment of the present invention with a touch function prevents the patterns visible to human eyes from being generated after the touch display panel reflects the external ambient light, thereby improving the overall aesthetic measure of the touch display panel.
Optionally, referring to fig. 9 and 10, the touch display panel further includes an array substrate 60, the array substrate 60 is located on a side of the polarizer 80 away from the touch panel 100, and the array substrate 60 includes a plurality of pixels 70 arranged in a matrix. The extending direction of the edge of the first touch electrode 11 intersects with the row direction of the matrix in which the pixels 70 are arranged, and the extending direction of the edge of the first touch electrode 11 intersects with the column direction of the matrix in which the pixels 70 are arranged. If the extending direction of the edge of the first touch electrode 11 is parallel to the row direction of the matrix in which the pixels 70 are arranged, and the extending direction of the edge of the first touch electrode 11 is parallel to the column direction of the matrix in which the pixels 70 are arranged, the film layer under the first touch electrode 11, the film layer under the dummy electrode 30, and the film layer under the first slit 31 are not uniform, for example, the film layer under the first touch electrode 11 and the dummy electrode 30 includes a plurality of pixels 70 and a plurality of pixel gaps, wherein a pixel gap is a gap between two adjacent pixels 70. The film layer below the first slit 31 is only the pixel gap. Thus, the non-uniformity of the film layer structure under the touch pad may affect the path of the first touch electrode 11, the dummy electrode 30 and the first slit 31 for reflecting the external ambient light, which is not favorable for the uniformity of the external ambient light reflected by the touch pad 100. In the embodiment of the present invention, the extending direction of the edge of the first touch electrode 11 intersects with the row direction of the matrix in which the pixels 70 are arranged, and the extending direction of the edge of the first touch electrode 11 intersects with the column direction of the matrix in which the pixels 70 are arranged, so that the film layer under the first touch electrode 11, the film layer under the dummy electrode 30, and the film layer under the first slit 31 are uniform, for example, the film layer under the first touch electrode 11, the dummy electrode 30, and the first slit 31 includes a plurality of pixels 70 and a plurality of pixel gaps. Therefore, when the touch panel 100, the polarizer 80 and the array substrate 60 are integrated into a touch display panel, the film structure of the array substrate 60 corresponding to the touch panel is uniform, and the path of the first touch electrode 11, the dummy electrode 30 and the first slit 31 for reflecting the external ambient light is not affected, thereby facilitating the design of the touch panel 100. It is understood that, similar to the first touch electrode 11, the embodiment of the invention may further provide: the extending direction of the edge of the second touch electrode 12 intersects the row direction of the matrix in which the pixels 70 are arranged, and the extending direction of the edge of the second touch electrode 12 intersects the column direction of the matrix in which the pixels 70 are arranged. Therefore, when the touch panel 100, the polarizer 80 and the array substrate 60 are integrated into a touch display panel, the array substrate 60 does not affect the path of the external ambient light reflected at the positions of the second touch electrode 12, the dummy electrode 30 and the second slit 32, thereby facilitating the design of the touch panel 100. It should be noted that the array substrate of the present invention may be an array substrate of a liquid crystal display panel, and may also be an array substrate of an organic light emitting display panel, for the liquid crystal display panel, in addition to the array substrate, the array substrate further includes a color film substrate disposed opposite to the array substrate, and a liquid crystal layer sandwiched between the color film substrate and the array substrate, for the organic light emitting display panel, the array substrate further includes an encapsulation layer, and the encapsulation layer may be a rigid encapsulation or a thin film encapsulation, which is not limited herein.
For example, referring to fig. 10, the array substrate 60 may further include an array substrate 61, a thin film transistor 62 and a pixel electrode 63, the thin film transistor 62 is located between the array substrate 61 and the pixel electrode 63, a source or a drain of the thin film transistor 62 is electrically connected to the pixel electrode 63, the thin film transistor 62 is configured to provide a driving voltage or a driving current for the pixel electrode 63, and the array substrate 60 may further include a common electrode and the like, which are not described herein again.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (16)
1. A touch panel, comprising:
the touch control device comprises a plurality of first touch control electrodes arranged in a matrix and a plurality of second touch control electrodes arranged in a matrix, wherein the adjacent first touch control electrodes in the same matrix row are electrically connected;
the adjacent second touch electrodes in the same matrix column are electrically connected;
the dummy electrode is positioned between the first touch electrode and the second touch electrode which are adjacent, a first slit is formed between the dummy electrode and the first touch electrode, and a second slit is formed between the dummy electrode and the second touch electrode;
wherein a distance between a center of the first slit and a center of the second slit is L1; and L1 is more than or equal to 500 mu m.
2. The touch pad of claim 1, wherein L1 is ≦ 1200 μm.
3. The touch panel of claim 1, wherein the first touch electrode and the second touch electrode are disposed on the same layer;
the adjacent first touch electrodes in the same matrix row are electrically connected through a first connecting part; the adjacent second touch electrodes in the same matrix column are electrically connected through a second connecting part; the first connecting part and the first touch electrode are arranged on the same layer;
the touch pad further comprises a first insulating layer;
the first insulating layer is located between the plane where the second connecting portion is located and the plane where the second touch electrode is located.
4. The touch panel of claim 3, wherein the second connecting portion is located on a side of the second touch electrode facing away from the touch surface of the touch panel.
5. The touch panel of claim 3, wherein the dummy electrode is disposed on the same layer as the first touch electrode.
6. The touch pad of claim 1, further comprising a first insulating layer between the plane of the first touch electrode and the plane of the second touch electrode; the first touch electrode and the second touch electrode are arranged in different layers.
7. The touch panel of claim 3 or 6, wherein the first insulating layer is an inorganic layer.
8. The touch panel of claim 7, wherein the thickness of the first insulating layer is greater than or equal to 500nm and less than or equal to 800 nm.
9. The touch pad of claim 1, further comprising a substrate; the first touch electrode and the second touch electrode are positioned on two opposite sides of the substrate.
10. The touch panel of claim 6 or 9, wherein the dummy electrode is disposed in the same layer as the first touch electrode or the second touch electrode.
11. The touch pad of claim 1, wherein the first touch electrode, the second touch electrode, and the dummy electrode each comprise a transparent metal oxide.
12. The touch pad of claim 1, wherein the widths of the first slit and the second slit are both greater than or equal to 8 μm and less than or equal to 10 μm.
13. The touch pad of claim 1, further comprising a substrate; the first touch electrode, the second touch electrode and the dummy electrode are all located on the same side of the substrate.
14. A touch display panel comprising the touch panel according to any one of claims 1 to 13.
15. The touch display panel of claim 14, further comprising a polarizer disposed on a side of the first touch electrode and the second touch electrode facing away from the touch surface of the touch panel.
16. The touch display panel according to claim 15, further comprising an array substrate, the array substrate being located on a side of the polarizer away from the touch panel, the array substrate including a plurality of pixels arranged in a matrix;
the edge extension direction of the first touch electrode is crossed with the row direction of the pixel array matrix, and the edge extension direction of the first touch electrode is crossed with the column direction of the pixel array matrix;
the edge extending direction of the second touch electrode is crossed with the row direction of the matrix in which the pixels are arranged, and the edge extending direction of the second touch electrode is crossed with the column direction of the matrix in which the pixels are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046582.6A CN110794979A (en) | 2019-10-30 | 2019-10-30 | Touch control panel and touch control display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046582.6A CN110794979A (en) | 2019-10-30 | 2019-10-30 | Touch control panel and touch control display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110794979A true CN110794979A (en) | 2020-02-14 |
Family
ID=69442166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911046582.6A Pending CN110794979A (en) | 2019-10-30 | 2019-10-30 | Touch control panel and touch control display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110794979A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093952A (en) * | 2021-04-30 | 2021-07-09 | 合肥维信诺科技有限公司 | Touch display panel and touch display device |
| CN113238683A (en) * | 2021-05-27 | 2021-08-10 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN114327163A (en) * | 2021-12-30 | 2022-04-12 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995613A (en) * | 2014-05-19 | 2014-08-20 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method of touch display panel and touch display device |
| CN104360773A (en) * | 2014-11-25 | 2015-02-18 | 上海天马微电子有限公司 | Touch display device and electronic equipment |
| CN107608565A (en) * | 2017-10-31 | 2018-01-19 | 武汉华星光电技术有限公司 | Touch-control display panel and touch control display apparatus |
| CN109669573A (en) * | 2018-12-17 | 2019-04-23 | 上海天马有机发光显示技术有限公司 | Touch-control display panel and touch control display apparatus |
-
2019
- 2019-10-30 CN CN201911046582.6A patent/CN110794979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995613A (en) * | 2014-05-19 | 2014-08-20 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method of touch display panel and touch display device |
| CN104360773A (en) * | 2014-11-25 | 2015-02-18 | 上海天马微电子有限公司 | Touch display device and electronic equipment |
| CN107608565A (en) * | 2017-10-31 | 2018-01-19 | 武汉华星光电技术有限公司 | Touch-control display panel and touch control display apparatus |
| CN109669573A (en) * | 2018-12-17 | 2019-04-23 | 上海天马有机发光显示技术有限公司 | Touch-control display panel and touch control display apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093952A (en) * | 2021-04-30 | 2021-07-09 | 合肥维信诺科技有限公司 | Touch display panel and touch display device |
| CN113093952B (en) * | 2021-04-30 | 2023-11-07 | 合肥维信诺科技有限公司 | Touch display panel and touch display device |
| CN113238683A (en) * | 2021-05-27 | 2021-08-10 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN113238683B (en) * | 2021-05-27 | 2024-02-09 | 武汉天马微电子有限公司 | Display panel and display device |
| CN114327163A (en) * | 2021-12-30 | 2022-04-12 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
| CN114327163B (en) * | 2021-12-30 | 2024-02-02 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11402959B2 (en) | Touch structure, touch panel and display device | |
| US10303300B2 (en) | Liquid crystal display device and display device substrate | |
| WO2019128208A1 (en) | Touch panel and touch device | |
| US10175834B2 (en) | Position input device and display device | |
| US9104254B2 (en) | Touch screen panel | |
| JP5520093B2 (en) | Manufacturing method of touch panel | |
| TWI581157B (en) | Touch display device | |
| KR20130017745A (en) | Display device integrated with touch screen | |
| EP2490108A2 (en) | Touch Screen | |
| US10209841B2 (en) | Position inputting device and display device with position inputting function | |
| JPWO2015146277A1 (en) | Touch panel, display device, and method for manufacturing touch panel | |
| TWI502445B (en) | Touch display device and touch substrate | |
| US20150212540A1 (en) | Light diffusing touch panel and manufacturing method for same, as well as display device | |
| US9291847B2 (en) | Pixel unit and TFT-LCD with touch function | |
| CN110794979A (en) | Touch control panel and touch control display panel | |
| US9734788B2 (en) | Touch display device | |
| TW201728884A (en) | Pressure sensing device and manufacturing method thereof | |
| US20210223931A1 (en) | Touch control display device | |
| JP2019101095A (en) | Liquid crystal panel | |
| KR20120134376A (en) | Transparent adhesive unit and touch screen having the same | |
| US10802653B2 (en) | Touch type display device and method for sensing touch thereof | |
| KR101658149B1 (en) | Display Device Including Touch Panel | |
| TWI553522B (en) | Touch substrate | |
| JP2011159094A (en) | Method for manufacturing electric solid state device | |
| US20170262131A1 (en) | Position inputting device and display device with position inputting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200214 |