CN211349322U - Touch display module and touch display device - Google Patents

Abstract

The utility model provides a touch-control display module assembly and touch-control display device, wherein, touch-control display module assembly includes: the touch control sensing layer and the display screen are arranged; the touch sensing layer comprises a visible touch area and a peripheral circuit area, and the visible touch area is bonded with the display screen through optical cement; the peripheral circuit area is bent to the side face and the back face of the display screen; and a decorative panel is also arranged on the surface of the touch induction layer and is made of ultrathin materials. Compared with the prior art, the embodiment of the utility model provides a set up visual touch-control district and all ring edge borders into a whole structure of buckling, avoided the circuit district additionally to occupy the margin width, also avoided directly to insert FPC in the touch-control response layer, lead to fold, unevenness to appear in the touch-control display module assembly. Moreover, the ultrathin material is used as the decoration panel, so that the problem of surface smoothness of the large-size touch display module is solved while the light and thin properties and the surface shock resistance are considered.

Description

Touch display module and touch display device

Technical Field

The utility model relates to a touch display technology field especially relates to a touch-control display module assembly and touch-control display device.

Background

Nowadays, electronic products are indispensable products in daily life of people, and along with the development of large-size communication products, people have increasingly greater demands on electronic products, and the requirements of electronic products on touch display screens are also increasingly higher.

However, the current touch module electrode leads of the touch display screen are arranged around the periphery, one end of each electrode lead is connected with each touch sensing electrode, and the other end of each electrode lead is connected with an FPC (flexible printed circuit) inserted into the touch module

One end of the Flexible Printed Circuit is connected, and the other end of the FPC is connected with the touch chip on the back of the display screen after being bent. Due to the structural design, a large number of electrode leads are arranged around the display screen to form a frame, so that the frame becomes a great obstacle for realizing a full-face screen, and the FPC is partially inserted into the touch module to cause the corresponding position of the touch module to be raised, so that the whole touch device has wrinkles and unevenness, is large in size and is not beneficial to light and thin.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a touch-control display module assembly of decoration panel is made to ultra-thin material is dedicated to providing, under the circumstances of taking into account light thin nature and surface shock resistance, has overcome the problem of ultra-thin jumbo size touch-control display module assembly surface smoothness, and simultaneously, the touch-control display module assembly main part sets up visual touch-control district and peripheral circuit district into a whole structure of buckling, has avoided the circuit district to additionally occupy the margin width, and the condition of fold, unevenness appears in touch-control display module assembly.

According to the utility model discloses an aspect provides a touch-control display module assembly, include: the touch control sensing layer and the display screen are arranged; the touch sensing layer comprises a visible touch area and a peripheral circuit area, and the visible touch area is bonded with the display screen through optical cement; the peripheral circuit area is bent to the side face and the back face of the display screen; and a decorative panel is also arranged on the surface of the touch induction layer and is made of ultrathin materials.

In an embodiment of the present invention, the touch display module further includes a flexible circuit board, wherein one end of the flexible circuit board is electrically connected to the back surface of the display screen and the metal leads of the peripheral circuit area.

In one embodiment of the present invention, the ultra-thin material is selected from: ultrathin glass, PET material with hardness value of 3H-9H or composite material of PMMA and PC.

In one embodiment of the present invention, when the ultra-thin material is selected from a PET material, the PET material has a hardness value of 7H.

In one embodiment of the present invention, when the ultra-thin material is selected from ultra-thin glass, the thickness of the ultra-thin glass is 30 μm to 70 μm.

In one embodiment of the present invention, the ultra-thin glass has a thickness of 35 μm or 50 μm.

In an embodiment of the present invention, the touch sensing layer includes a transparent substrate, a plurality of first electrodes disposed in a visible touch area of the transparent substrate and extending along a first direction, and a plurality of second electrodes disposed in a visible touch area of the transparent substrate and extending along a second direction; the plurality of first electrodes and the plurality of second electrodes are respectively electrically connected with the plurality of metal leads; the first direction and the second direction are perpendicular to each other, and the plurality of first electrodes and the plurality of second electrodes are patterned metal grid electrodes; at least one of the plurality of first electrodes and the plurality of second electrodes employs an irregular polygonal metal mesh pattern.

In an embodiment of the present invention, the transparent substrate includes a first transparent substrate, and the plurality of first electrodes and the plurality of second electrodes are stacked on any surface of the first transparent substrate in a bridging manner.

In one embodiment of the present invention, the transparent substrate includes a first transparent substrate, the plurality of first electrodes are disposed on a first surface of the first transparent substrate, and the plurality of second electrodes are disposed on a second surface of the first transparent substrate opposite to the first surface.

In an embodiment of the present invention, the transparent substrate includes a first transparent substrate and a second transparent substrate, the plurality of first electrodes are disposed on any surface of the first transparent substrate to form a first electrode film, the plurality of second electrodes are disposed on any surface of the second transparent substrate to form a second electrode film, and the first electrode film is bonded to the second electrode film through an optical adhesive.

In one embodiment of the present invention, the width of the plurality of metal leads is 4 μm to 15 μm.

According to the utility model discloses an on the other hand provides a touch-control display device, include: the touch display module according to any of the above embodiments; and the control chip is used for receiving the touch signal from the touch display module and sending a control signal to the touch display module to control the image display of the touch display module.

According to the above technical scheme, the embodiment of the utility model provides an adopt ultra-thin material to do the decoration panel, when alleviateing the weight and the thickness of whole touch-control display module assembly, also overcome the problem of ultra-thin jumbo size touch-control display module assembly surface smoothness, current jumbo size touch-control display module assembly surface all is the concatenation and forms, and the smoothness is relatively poor, adopts the utility model provides an ultra-thin material is that the decoration panel can the integrated into one piece, when solving the smoothness problem, compromises flexibility and surface shock resistance requirement. Meanwhile, the visible touch area and the peripheral circuit area are arranged to be of an integral bending structure, the circuit area is prevented from additionally occupying the edge width, and the situation that the FPC is directly inserted into the touch induction layer to cause wrinkles and unevenness of the touch display module is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a main view direction of a touch display module according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a top view of a connection relationship between an electrode and a metal lead according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an irregular polygonal pattern of a plurality of first electrodes and a plurality of second electrodes according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an irregular polygonal pattern of a plurality of first electrodes and a plurality of second electrodes according to another embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an irregular polygonal pattern of a plurality of first electrodes and a plurality of second electrodes according to another embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to another embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to still another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural view of a main viewing direction of a touch display module according to an embodiment of the present invention, as shown in fig. 1, the touch display module includes: decoration panel 1, touch-control response layer 2 and display screen 3. The touch sensing layer 2 includes a visible touch area 21 and a peripheral circuit area 22, the visible touch area 21 is bonded to the display screen 3 by an optical adhesive, and the peripheral circuit area 22 is bent to the side and the back of the display screen 3. And, still be provided with decoration panel 1 on the surface of touch-control response layer 2, this decoration panel 1 is made by ultra-thin material.

It should be understood that the main viewing direction shown in fig. 1 is a direction perpendicular to the touch display module, and the decoration panel 1 is made of an ultra-thin material, which may be selected from: the ultra-thin glass, the PET material with the hardness value of 3H-9H or the composite material of PMMA and PC, the utility model discloses do not do the specific restriction to the selection of ultra-thin material. When the ultra-thin material is selected from ultra-thin glass, the thickness of the ultra-thin glass should be in the range of 30 μm to 70 μm, and among this range, the thickness of the ultra-thin glass may be preferably 35 μm or 50 μm, and the thickness range of the ultra-thin glass is not particularly limited by the present invention; when the ultra-thin material is selected from PET material, the hardness value of the PET material should be 3H-9H, and in this range, the hardness value of the PET material may be preferably 3H, 7H, and the present invention does not specifically limit the hardness value range of the PET material.

It should also be understood that when the thickness of the ultra-thin glass ranges from 30 μm to 70 μm, the ultra-thin glass can reduce the weight of the whole touch display module after being attached, and preferably the thickness of 35 μm is obtained by grinding and polishing a material with the thickness of 70 μm. When the material is made to be 30-70 μm, the material has certain flexibility; the PET of 3H-9H is selected, which is not as strong in flexibility and weak in hardness as common PET materials, and the PET material selected by the utility model has certain hardness; the composite material of PMMA and PC is selected, and the advantages of high light transmittance of the PMMA material, high impact resistance and high heat resistance of the PC material can be utilized simultaneously, so that the PMMA and PC composite material can better play a role in protecting the touch display module.

It should be noted that, in the materials provided in the above embodiments of the present invention, the optical Adhesive for bonding may be an OCA optical Adhesive material (optical Clear Adhesive) for full bonding. Its colorless transparency of OCA, the light transmittance is more than 90%, the technology is mature, it is effectual to bond, can not produce the air bed, can reduce 8% reflection, improve display effect, and through OCA's setting, when decoration panel 1 receives external force and assaults, OCA also can absorb and release partial external force, in order to reduce external force to the impact of touch-control display module assembly, further improve the shock resistance of touch-control display module assembly main part, and then improve touch-control display module assembly's shock resistance. However the utility model discloses optical cement in the above-mentioned embodiment also can adopt OCR optical cement material (optical Clear Resin), and its laminating cost of OCR is lower to luminousness after the laminating is also higher, disassembles simply simultaneously, and regeneration yield is high after disassembling, and to this, the utility model discloses do not do specifically and restrict to optical cement's material.

Preferably, the utility model discloses optical cement adopts OCA optical cement material.

It should be further noted that the Display screen 3 in the above embodiments of the present invention may be any one of an LCD Display (Liquid crystal Display), an LCM Display module (Liquid Composite Display), and an OLED Display screen (organic light-Emitting Diode), and the present invention is not limited to this. The LCD display has thin body, saves space, saves electricity, does not generate high temperature and radiation, is beneficial to body health and does not hurt eyes; the LCM has the advantages of size, no radiation and flicker in the working process, low energy consumption and good visual effect; the OLED display screen is a self-luminous display screen, does not need a backlight source, can realize the ultrathin screen, has good anti-seismic performance, large visual angle, short response time and high refreshing speed, can be bent and the like, and is suitable for various working conditions and display shapes.

Preferably, the present invention employs an LCD display as the display screen 3.

Therefore, the embodiment of the utility model provides an adopt ultra-thin material to do the decoration panel, when alleviateing the weight and the thickness of whole touch-control display module assembly, also overcome the problem of ultra-thin jumbo size touch-control display module assembly surface planarization, current jumbo size touch-control display module assembly surface all is the concatenation and forms, and the planarization is relatively poor, adopts the utility model provides an ultra-thin material is that the decoration panel can the integrated into one piece, when solving the planarization problem, compromises light thin nature and surface shock resistance requirement. Meanwhile, the visual touch area and the peripheral circuit area are arranged to be of an integral bending structure, the circuit area is prevented from additionally occupying the edge width, and the border-free full-face screen is favorably realized.

In an embodiment of the present invention, as shown in fig. 1, the touch display module further includes a flexible circuit board 4, and one end of the flexible circuit board 4 is electrically connected to the metal leads of the peripheral circuit area 22 at the back of the display screen 3.

It should be understood that one end of the flexible circuit board 4 (i.e., FPC) is electrically connected to the touch sensing layer 2 through a metal lead on the back of the display screen 3. It can be seen that in terms of connection, the FPC itself is not bent, and it is the metal leads in the peripheral wiring region 22 that function as the bent connection. Therefore, the utility model discloses avoided directly to insert FPC in the touch-control response layer, leaded to the condition of fold, unevenness to appear in the touch-control display module assembly.

Fig. 2 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to an embodiment of the present invention. As shown in fig. 2, the touch sensing layer 2 can be divided into a visible touch area 21 and a peripheral circuit area 22 corresponding to a display area of the touch display module. The visible touch area 21 of the touch sensing layer 2 includes a first transparent substrate 25, and a plurality of first electrodes 23 extending in a first direction and a plurality of second electrodes 24 extending in a second direction, which are disposed on the visible touch area 21 of the first transparent substrate 25, and a plurality of electrodes (i.e., the plurality of first electrodes 23, the plurality of second electrodes 24) are disposed on any surface of the first transparent substrate 25 in a stacked manner.

It should be understood that the main viewing direction shown in fig. 2 is a direction perpendicular to the touch display module. Any surface of the first transparent substrate 25 may refer to an upper surface or a lower surface of the first transparent substrate 25, and the embodiment of the invention does not limit whether the two layers of electrodes (i.e., the plurality of first electrodes 23 and the plurality of second electrodes 24) are disposed on the upper surface or the lower surface of the first transparent substrate 25. For example, as shown in fig. 2, two layers of electrodes (i.e., a plurality of first electrodes 23 and a plurality of second electrodes 24) are disposed on the upper surface of the first transparent substrate 25, and they may also be disposed on the lower surface of the first transparent substrate 25 according to actual production requirements, which is not limited in this respect by the present invention.

It should be further understood that the two-layer electrodes (i.e. the plurality of first electrodes 23 and the plurality of second electrodes 24) of the embodiment of the present invention are stacked on the first transparent substrate 25 by means of a bridge, but it is not limited how the two-layer electrodes are stacked on the first transparent substrate 25 by means of a bridge, nor is it limited how the plurality of first electrodes 23 and the plurality of second electrodes 24 are relative to each other, that is, the plurality of first electrodes 23 may be located above the plurality of second electrodes 24, or the plurality of first electrodes 23 may be located below the plurality of second electrodes 24, and the position of the electrodes is not specifically limited by the present invention. Meanwhile, the embodiment of the present invention does not limit what kind of method is specifically adopted for the bridge, and the bridge can adopt a mode of setting an insulating glue layer between two electrodes, and also can be other methods, as long as it can insulate the plurality of first electrodes 23 and the plurality of second electrodes 24.

It should be noted that the first transparent substrate 25 is equivalent to a carrier plate of two electrodes, and can be prepared by a yellow light process, and the like. The first electrodes 23 and the second electrodes 24 are insulated in a bridging manner between the two layers of electrodes to form two layers of electrode films. In this embodiment, the two electrode films can be produced simultaneously on different production lines without mutual influence.

The laser etching specifically means that a high-energy laser beam is irradiated on a plurality of electrodes according to a preset profile structure and an internal pattern, so that a part irradiated with the laser beam is melted and gasified, and the part is etched, and thus a first electrode and a second electrode of a final permanent pattern are formed. The photolithography process specifically refers to exposing, developing and curing portions of the plurality of first electrodes 23 and/or the plurality of second electrodes 24 according to a predetermined profile structure and an internal pattern, thereby leaving the portions, which are the first electrodes and the second electrodes in a final permanent pattern.

It should be further noted that, the material provided in the above embodiments of the present invention, wherein the first transparent substrate 25 may be made of transparent plastic material, and may include any material such as PET plastic (Polyethylene terephthalate), PC material (Polycarbonate), pmma (poly methyl methacrylate), cop (optical material cop), tctf (transparent Conductive film), tac (triacetyl cellulose), and the present invention is not limited to this. The PET plastic has excellent physical and mechanical properties and excellent electrical insulation property within a wider temperature range, and even at high temperature and high frequency, the PET plastic still has good electrical property and good dimensional stability; the COP film has the transmittance of about 92 percent and has excellent mechanical property, temperature resistance and weather resistance; the TAC film has excellent optical performance and water vapor penetration rate; the TCTF can suppress an increase in wiring resistance due to an increase in the size of the touch display module, and is excellent in conductivity and high transparency.

Preferably, the material of the first transparent substrate 25 of the present invention is PET plastic material.

Therefore, the two layers of electrodes correspond to one transparent substrate to serve as a carrier, so that the overall thickness of the touch display module can be reduced, and the touch display module is thinner.

In an embodiment of the present invention, as shown in fig. 3, the touch sensing layer 2 includes a transparent substrate, a plurality of first electrodes 23 extending along a first direction and a plurality of second electrodes 24 extending along a second direction, which are disposed in a visible touch area of the transparent substrate; and a plurality of metal leads 27 disposed in the peripheral circuit region 22, wherein the plurality of first electrodes 23 and the plurality of second electrodes 24 are electrically connected to the plurality of metal leads 27, respectively; the first direction and the second direction are perpendicular to each other, and the plurality of first electrodes and the plurality of second electrodes are patterned metal grid electrodes; at least one of the plurality of first electrodes and the plurality of second electrodes employs an irregular polygonal metal mesh pattern.

It should be understood that fig. 3 is a schematic structural diagram of a top view of a connection relationship between an electrode and a metal lead according to an embodiment of the present invention. As shown in fig. 3, the plurality of first electrodes 23 of the touch display module extend along a first direction a, the plurality of second electrodes 24 extend along a second direction B, and the plurality of metal leads 27 in the peripheral circuit region 22 are electrically connected to the plurality of first electrodes 23 and the plurality of second electrodes 24, respectively.

It should be further understood that, as can be seen from fig. 1, fig. 2 and fig. 3, the visual touch area 21 corresponds to a display area of the touch display module, and the visual touch area 21 includes: a transparent substrate (i.e., a first transparent substrate 25), a plurality of first electrodes 23, and a plurality of second electrodes 24, a peripheral circuit region 22 is disposed around the edge of the visual touch region 21, and respectively connected with the plurality of first electrodes 23 and the plurality of second electrodes 24 through the plurality of metal leads 27, i.e., to the visible touch area 21, wherein one first electrode is connected to one metal lead, therefore, the plurality of metal leads 27 are collected at the center of a side surface (which may be the upper side, the lower side, the left side or the right side of the touch display module, the present invention does not specify the collection surface of the metal leads, i.e. does not specify the upper side, the left side, etc., and does not limit the number of the collection surfaces of the metal leads, i.e. does not limit the arrangement on one surface or two surfaces) of the touch display module for connection with the touch chip, thereby connecting the plurality of first electrodes 23 and the plurality of second electrodes 24 with the touch chip.

It should be noted that, the first direction a is the X direction of a two-dimensional rectangular coordinate system, i.e. a first electrode extending transversely; the second direction, such as the Y direction of the two-dimensional rectangular coordinate system, that is, the second electrode extending longitudinally, that is, the first direction and the second direction are just like X, Y directions in the two-dimensional coordinate system, and the first direction can be the X direction, and the second direction can be the Y direction, and the first direction can also be the Y direction, and the second direction is the X direction, the present invention does not limit this specifically, in addition, the embodiment of the present invention does not limit the specific distribution direction of the plurality of first electrodes 23 and the plurality of second electrodes 24, and those skilled in the art can design the distribution direction of the plurality of electrodes according to the actual application requirement.

It should be noted that the width of the metal leads 27 is 4 μm to 15 μm, and the material may be silver, copper, or nano-conductive powder (powder particle is 10nm to 100nm), and the present invention does not specifically limit the width and the material of the metal leads 27. The preparation process of the metal lead 27 can adopt any one of screen printing, laser etching, 3D printing and the like, and the utility model discloses do not limit this.

The material of metal grid electrode can be at least one in Cu, Ag, Al, Ti or Ni, the net pattern on metal grid layer can be rectangle, square, rhombus or other polygons, and is this the utility model discloses do not do specifically and restrict metal grid electrode and net pattern. In addition, although the metal wires in the metal mesh are opaque to light, the metal wires cannot be felt by human vision due to the thin metal wires, that is, the metal mesh is transparent in human vision, and the transparency of the whole flexible touch display screen is not affected.

It should be noted that at least one of the first electrodes 23 and the second electrodes 24 is an irregular polygonal metal mesh pattern, where the irregular polygon may be a non-regular polygon, that is, the length of at least one side of the polygon is not equal to the lengths of the other sides, as shown in fig. 4, or at least one side of the polygon is a curve or a broken line, as shown in fig. 5, or at least part of the metal lines in the patterned metal mesh electrode is non-linear, as shown in fig. 6 (the dotted lines in the figure represent the arrangement of the metal lines), so as to avoid generating interference fringes.

Fig. 7 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to another embodiment of the present invention. As shown in fig. 7, the touch sensing layer 2 can be divided into a visible touch area 21 and a peripheral circuit area 22 corresponding to a display area of the touch display module. The visible touch area 21 of the touch sensing layer 2 includes a first transparent substrate 25, a plurality of first electrodes 23 disposed on a first surface of the first transparent substrate 25, and a plurality of second electrodes 24 disposed on a second surface of the first transparent substrate 25 opposite to the first surface.

It should be understood that the main viewing direction shown in fig. 7 is a direction perpendicular to the touch display module. The first transparent substrate 25 is equivalent to a carrier plate of an electrode and can be prepared by yellow light process and other processes. A plurality of first electrodes 23 are formed on a first surface of the first transparent substrate 25 to obtain a first electrode thin film, and a plurality of second electrodes 24 are formed on a second surface of the first transparent substrate 25 opposite to the first surface to obtain a second electrode thin film. In this embodiment, the two electrode films can be produced simultaneously on different production lines without mutual influence.

Note that the orientations of the first surface and the second surface are not fixed, that is, the plurality of first electrodes 23 may be on the first surface or the second surface; the plurality of second electrodes 24 may be on the first surface or the second surface, which is not limited in the present invention. If the plurality of first electrodes 23 are on the first surface, the plurality of second electrodes 24 are on the second surface; if the plurality of second electrodes 24 are on the first surface, the plurality of first electrodes 23 are on the second surface, and the position of the two layers of electrodes is not particularly limited.

It should be noted that the type of the transparent substrate material in this embodiment is substantially the same as that in fig. 1 and fig. 2, and please refer to the related description above, which is not repeated herein.

Fig. 8 is a schematic structural diagram of a main view direction of a touch sensing layer included in a touch display module according to still another embodiment of the present invention. As shown in fig. 8, the touch sensing layer 2 can be divided into a visible touch area 21 and a peripheral circuit area 22 corresponding to a display area of the touch display module. It is understood that the visible touch area 21 of the touch sensing layer 2 includes a first transparent substrate 25, a second transparent substrate 26, and a plurality of first electrodes 23 disposed on any surface of the first transparent substrate 25, and a plurality of second electrodes 24 disposed on any surface of the second transparent substrate 26. Here, a plurality of first electrode layers 23 are formed on either surface of a first transparent substrate 25 to obtain a first electrode thin film, and a plurality of second electrodes 24 are formed on either surface of a second transparent substrate 26 to obtain a second electrode thin film. The first electrode film and the second electrode film are bonded through optical glue.

It should be understood that the main viewing direction shown in fig. 8 is a direction perpendicular to the touch display module. The first transparent substrate 25 and the second transparent substrate 26 are equivalent to the carrier plates of the electrodes, and can be prepared by the processes such as the yellow light process, and the like. A plurality of first electrodes 23 are formed on the surface of the first transparent substrate 25 to obtain a first electrode thin film, and a plurality of second electrodes 24 are formed on the surface of the second transparent substrate 26 to obtain a second electrode thin film. In this embodiment, the two electrode films can be simultaneously produced on different production lines without mutual influence, and the touch sensing layer 2 formed by the two electrode films is only formed by optical glue in the final assembly stage.

It should be noted that, in the above embodiments of the present invention, the plurality of first electrodes 23 may be disposed on any surface of the first transparent substrate 25 to form a first electrode film, the plurality of second electrodes 24 may be disposed on any surface of the second transparent substrate 26 to form a second electrode film, any one of the surfaces refers to any one of the upper surface and the lower surface of the transparent substrates (i.e. the first transparent substrate 25 and the second transparent substrate 26), that is, the plurality of first electrodes 23 are disposed on the upper surface of the first transparent substrate 25, the plurality of second electrodes 24 are also disposed on the upper surface of the second transparent substrate 26, as shown in fig. 8, or a plurality of first electrodes 23 lay at the lower surface of first transparent substrate 25, and a plurality of second electrodes 24 also lay at the lower surface of second transparent substrate 26, and the laying of electrode is adjusted according to the demand in actual production, the utility model discloses do not do specifically to the position of laying of electrode and limit.

It should be noted that the types of the materials of the transparent substrate and the optical adhesive in this embodiment are substantially the same as those in fig. 1, fig. 2, and fig. 7, and please refer to the related descriptions above for details, which are not repeated herein.

Therefore, in the touch sensing layer 2, the first electrodes 23 and the second electrodes 24 all have a transparent substrate as a carrier to form two layers of electrode films, which can be generated respectively and do not interfere with each other, and only in the final assembly stage, the two layers of electrode films are transferred through the optical adhesive, so that the modular production of the touch display module is realized, and the production efficiency is improved.

On the other hand, the utility model provides a touch-control display device, including the touch-control display module assembly of any above-mentioned embodiment, touch-control chip, this touch-control chip is used for receiving the touch-control signal that comes from this touch-control display module assembly to and send control signal with the image display of controlling this touch-control display module assembly to this touch-control display module assembly.

Therefore, the touch display device provided by the embodiment has the advantages that the surface of the touch display module is smooth, and the shock resistance is strong; the whole touch device is thinner and thinner.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include at least one such feature.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several modifications and improvements can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (12)

1. A touch display module is characterized by comprising: the touch control sensing layer and the display screen are arranged; the touch sensing layer comprises a visible touch area and a peripheral circuit area, and the visible touch area is bonded with the display screen through optical cement; the peripheral circuit area is bent to the side face and the back face of the display screen;

and a decorative panel is also arranged on the surface of the touch induction layer and is made of ultrathin materials.

2. The touch display module of claim 1, further comprising a flexible circuit board, wherein one end of the flexible circuit board is electrically connected to the metal leads of the peripheral circuit area on the back side of the display screen.

3. The touch display module of claim 1, wherein the ultra-thin material is selected from the group consisting of: ultra-thin glass, PET material with hardness value of 3H-9H or PC/PMMA composite board.

4. The touch display module of claim 3, wherein when the ultra-thin material is selected from a PET material, the PET material has a hardness value of 7H.

5. The touch display module of claim 3, wherein when the ultra-thin material is selected from ultra-thin glass, the thickness of the ultra-thin glass is 30 μm to 70 μm.

6. The touch display module of claim 5, wherein the ultra-thin glass has a thickness of 35 μm or 50 μm.

7. The touch display module of claim 1, wherein the touch sensing layer comprises a transparent substrate, a plurality of first electrodes disposed in a visible touch area of the transparent substrate and extending along a first direction, and a plurality of second electrodes disposed in a visible touch area of the transparent substrate and extending along a second direction; and

the plurality of first electrodes and the plurality of second electrodes are respectively electrically connected with the plurality of metal leads;

the first direction and the second direction are perpendicular to each other, and the plurality of first electrodes and the plurality of second electrodes are patterned metal grid electrodes;

at least one of the plurality of first electrodes and the plurality of second electrodes employs a polygonal metal mesh pattern.

8. The touch display module of claim 7, wherein the transparent substrate comprises a first transparent substrate, and the first electrodes and the second electrodes are stacked on any surface of the first transparent substrate in a bridging manner.

9. The touch display module of claim 7, wherein the transparent substrate comprises a first transparent substrate, the first electrodes are disposed on a first surface of the first transparent substrate, and the second electrodes are disposed on a second surface of the first transparent substrate opposite to the first surface.

10. The touch display module of claim 7, wherein the transparent substrate comprises a first transparent substrate and a second transparent substrate, the first electrodes are disposed on any surface of the first transparent substrate to form a first electrode film, the second electrodes are disposed on any surface of the second transparent substrate to form a second electrode film, and the first electrode film is bonded to the second electrode film through an optical adhesive.

11. The touch display module of claim 7, wherein the width of the metal leads is 4 μm to 15 μm.

12. A touch display device, comprising:

the touch display module of any one of claims 1-11;

and the control chip is used for receiving the touch signal from the touch display module and sending a control signal to the touch display module to control the image display of the touch display module.

Images