CN110858107A - touch display device - Google Patents

Abstract

The touch display device comprises a display module and a touch sensing film. The display module comprises a display panel and an arc-shaped structure. The display panel has a display surface, a rear surface and a side surface, wherein the display surface is disposed opposite to the rear surface, and the side surface connects the display surface and the rear surface. The arc structure is at least arranged on the side surface of the display panel, wherein the arc structure is provided with an arc surface which is arranged opposite to the display panel. The touch sensing film is disposed on the display surface of the display panel and extends along the arc surface of the arc structure.

Description

touch display device

【Technical field】

The present invention relates to a touch display device.

【Background technique】

In recent years, with the technological development of touch panels, touch panels have been widely used in various electronic devices, such as mobile phones, laptop computers, and palmtop computers. The touch panel is generally integrated with the display panel to form a touch display screen, which is used as an input and output interface of an electronic device to achieve a touch display function. Accordingly, the user can control the electronic device by touching the touch display screen with a finger or a touch object (such as a stylus), so as to control the electronic device correspondingly.

In order to enhance the visual effect of users, the design of narrow borders is becoming more and more important. However, due to the design of the wiring space of the touch panel, it is difficult to achieve a narrow bezel.

[Content of the invention]

The present invention provides a touch display device. By designing a flexible touch sensing film to wrap around from the display surface to the rear surface of the display module, the traces of the touch panel can be arranged on the rear surface of the display module. , not the display surface. Thereby, the design of the narrow frame can be realized. In addition, the display module has an arc-shaped side surface, so that the touch sensing film can be bent along the arc-shaped side surface, reducing the risk of scratches on the touch electrodes, and maintaining its electrical properties to provide side touch.

In one embodiment of the present invention, the touch display device includes a display module and a touch sensing film. The display module includes a display panel and an arc structure. The display panel has a display surface, a rear surface, and a side surface, wherein the display surface and the rear surface are disposed opposite to each other, and the side surface connects the display surface and the rear surface. The arc-shaped structure is disposed at least on the side surface of the display panel, wherein the arc-shaped structure has an arc-shaped surface disposed opposite to the display panel. The touch sensing film is disposed on the display surface of the display panel and extends along the arc surface of the arc structure.

In another embodiment of the present invention, the touch sensing film further extends to the rear surface of the display panel.

In another embodiment of the present invention, the touch-sensing film has a portion disposed on the rear surface of the display panel, and the length of the portion of the touch-sensing film along one direction is greater than 2 mm, wherein the display panel and the arc-shaped structure are along the Orientation arrangement.

In another embodiment of the present invention, the touch sensing film is partially disposed on the rear surface of the display panel. The touch sensing film includes a plurality of touch electrodes and a plurality of wirings, and the wirings are respectively connected to the touch electrodes, wherein the wirings are arranged on the part of the touch sensing film.

In another embodiment of the present invention, the touch sensing film is partially disposed on the rear surface of the display panel. The touch display device further includes a pressure sensing layer, and the pressure sensing layer is disposed between the part of the touch sensing film and the rear surface of the display panel.

In another embodiment of the present invention, the display module further includes a frame body for carrying the display panel, wherein the arc structure is connected with the frame body.

In another embodiment of the present invention, the arc structure and the frame are integrally formed.

In another embodiment of the present invention, the display module further includes a backlight module, which has a light-emitting surface and a side surface, wherein the light-emitting surface is adjacent to the rear surface of the display panel, and the side surface of the backlight module is connected to the light-emitting surface of the backlight module. The arc structure is further arranged on the side surface of the backlight module.

In another embodiment of the present invention, the touch sensing film has a first part and a second part, the first part is disposed on the display surface of the display panel, and the second part is disposed on the arc structure the curved surface. The touch display device further includes a cover plate and a fixing glue. The first part is arranged between the display panel and the cover plate. The fixing glue connects the second part of the touch sensing film and the cover plate.

In another embodiment of the present invention, the touch display device further includes an optical glue, and the optical glue is connected to the first part of the touch sensing film and the cover plate, wherein the fixing glue is connected to the optical glue.

In another embodiment of the present invention, the touch display device further includes an optical colloid and a protective layer. The optical glue is connected to the display surface of the display panel and the first part of the touch sensing film. The protective layer is disposed on the second part of the touch sensing film.

In another embodiment of the present invention, the touch display device further includes a cover plate, an optical colloid and a protective layer. The optical glue is connected to the first part of the touch sensing film and the cover plate. The protective layer is disposed on the second part of the touch sensing film.

The above descriptions are only used to illustrate the problems that the present invention can solve, the technical means for solving the problems, and their effects, etc. The specific details of the present invention will be introduced in detail in the following embodiments and related drawings.

【Description of drawings】

1A is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention.

FIG. 1B is a top view of the touch display device of FIG. 1A .

2A to 2D are schematic diagrams illustrating a manufacturing process of a touch display device according to an embodiment of the present invention.

3 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention.

4 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention.

5 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention.

6 is a schematic top view of a touch sensing film according to an embodiment of the present invention.

7 is a schematic top view of a touch sensing film according to an embodiment of the present invention.

8A and 8B are top views of a touch sensing film according to an embodiment of the present invention.

【Detailed ways】

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

1A is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention. FIG. 1B is a top view of the touch display device of FIG. 1A . The touch display device 100 includes a display module 200 , a touch sensing film 300 and a cover plate 400 . The display module 200 includes a display panel 210 , a backlight module 230 , an arc structure 220 , and a frame body 240 . The display panel 210 has a display surface 210T, a rear surface 210B, and a side surface 210S, wherein the display surface 210T is disposed opposite to the rear surface 210B, the display surface 210T faces the cover plate 400, and the side surface 210S can connect the display surface 210T and the rear surface 210B. The backlight module 230 has a light emitting surface 230T and a side surface 230S, wherein the light emitting surface 230T is adjacent to the rear surface 210B of the display panel 210 , and the side surface 230S of the backlight module 230 is connected to the light emitting surface 230T of the backlight module 230 .

The arc structure 220 may be disposed on the side surface 210S of the display panel 210 . In some embodiments, the arc structure 220 is further disposed on the side surface 230S of the backlight module 230 . The arc-shaped structure 220 has an arc-shaped surface 220S disposed opposite to the display panel 210 . The arc-shaped structure 220 can be made by molding, and its material can be plastic, such as polyethylene terephthalate (PET), polycarbonate (Poly Carbonate; PC), polyethylene (Polyethylene; PE) ) or polymethylmethacrylate (PE), cycloolefin polymer (COP), etc. In some embodiments, the frame body 240 is used to carry the display panel 210 and the backlight module 230 , and the arc structure 220 and the The frame bodies 240 may be connected. For example, the arc-shaped structure 220 and the frame body 240 can be connected through an appropriate adhesive material. The material of the frame body can be a material with better rigidity, such as metal and plastic. In some embodiments, the material of the arc structure 220 and the frame body 240 is the same. Alternatively, in some embodiments, the materials of the arc structure 220 and the frame body 240 are different. In some other embodiments, the material of the arc structure 220 and the frame body 2400 are the same and are integrally formed, for example, by molding, and are seamless and no other material is disposed therebetween.

In some embodiments, the touch sensing film 300 is disposed on the display surface 210T of the display panel 210 , and extends and bends along the curved surface 220S of the curved structure 220 , and the curved surface 220S can lower the height of the touch sensing film 300 the risk of scratching of the touch electrodes during bending, and maintain their electrical properties to provide side touch. In some embodiments, the touch sensing film 300 further extends to the rear surface 210B of the display panel 210 .

Specifically, the touch sensing film 300 is composed of three parts, namely 300A, 300B, and 300C. The portion 300A of the touch sensing film 300 is disposed on the display surface 210T of the display panel 210 . In detail, the portion 300A of the touch sensing film 300 is disposed between the display panel 210 and the cover plate 400 , and is connected to the cover plate 400 and the display panel 210 through the optical glues A1 and A2 , respectively.

In this embodiment, the portion 300B of the touch sensing film 300 is disposed on the arc-shaped surface 220S of the arc-shaped structure 220 . In some embodiments, the junction of the parts 300A and 300B of the touch sensing film 300 can be connected to the cover plate 400 by the adhesive G2 to prevent the part 300A of the touch sensing film 300 from being deformed due to the bending of the part 300B. In some embodiments, the fixing glue G2 can be in contact with the optical glue A1. The portion 300B of the touch sensing film 300 can realize side touch. For example, on a smart device, the side-touched portion 300B can be used as a home button or other touch buttons.

In this embodiment, the portion 300C of the touch sensing film 300 is disposed on the rear surface 210B of the display panel 210 . In some embodiments, the portion 300C connected to the touch sensing film 300 is fixed on the back surface of the display module 200 by the fixing glue G1 . The portion 300C of the touch sensing film 300 can be connected to the flexible circuit board 500, and the flexible circuit board 500 can be provided with a processing chip (not shown) to process touch signals. In some embodiments, the fixing glue G3 can fix the flexible circuit board 500 on the back of the display module 200 . In some embodiments, the backside of the display module 200 (eg, the backside of the backlight module 230 ) adjacent to the portion 300C of the touch sensing film 300 and the flexible circuit board 500 may be pasted or plated with an anti-interference layer, such as electromagnetic waves Shielding film (Electromagnetic Interference Film), optical glue, high-dielectric double-sided tape, etc., to prevent noise from interfering with touch signals.

In some embodiments, in order to avoid peeling of the touch-sensing film 300 after bending, the length of the portion 300C of the touch-sensing film 300 along one direction D1 is greater than 2 mm. Here, the display panel 210 and the arc structure 220 are arranged along the direction D1.

In some embodiments, the optical colloids A1 and A2 are composed of viscous materials with high transmittance. For example, the transmittance of the optical colloids A1 and A2 is greater than 60%, even greater than 80%. In some embodiments, the fixing glue G1 connects the portion 300C of the touch sensing film 300 and the display module 200 . In some embodiments, the fixing glues G1 and G3 can be double-sided adhesive, optical glue or other suitable materials, and the fixing glue G2 is formed by dispensing, such as UV glue, wet curing glue or thermosetting glue. The materials of the fixing glues G1 and G2 may be different from those of the optical glues A1 and A2. For example, the transmittance of the fixing glues G1 and G2 may be smaller than that of the optical glues A1 and A2. In some embodiments, the fixing glue G2 is connected to the optical glue A1. It should be understood that the fixing glue G2 is not necessarily configured, and in some other embodiments, the fixing glue G2 may be omitted.

In some embodiments, the display panel 210 includes an active device array substrate 212 , a color filter 214 and a display medium layer (not shown) sandwiched therein. The display medium layer is, for example, a liquid crystal layer, an organic light-emitting layer, and the like. The active element array substrate 212 may include a plurality of active elements to control the characteristics of the display medium layer to achieve light and dark changes. The color filter 250 may include a plurality of color filter units arranged in an array, such as red, green, and blue color filter units, to adjust the color of light. It should be understood that the color filter 250 is not necessarily provided. In some other embodiments, the color filter 250 may be omitted. In some embodiments, an optical colloid A3 is disposed between the display panel 210 and the backlight module 230 to connect the two and allow light to penetrate. The material of the optical colloid A3 is the same as the aforementioned optical colloids A1 and A2, which will not be repeated here.

In some embodiments, the cover plate 400 can be a transparent inorganic substrate, such as a glass substrate; or a transparent organic substrate, such as a plastic substrate, the material of which is polyethylene terephthalate, such as polyethylene terephthalate; PET), polycarbonate (Poly Carbonate; PC), polyethylene (Polyethylene; PE) or polymethylmethacrylate (Polymethylmethacrylate; PE) and the like. In some embodiments, the touch display device 100 further includes a light shielding layer 610 disposed on a side of the cover plate 400 adjacent to the display module 200 . The light shielding layer 610 may be formed of opaque ink, such as black ink, white ink, and the like. For example, the transmittance of the light shielding layer is less than 20%. The light shielding layer 610 has openings 610O to allow light to exit, thereby defining the display area DA and the non-display area NA.

2A to 2D are schematic diagrams illustrating a manufacturing process of a touch display device according to an embodiment of the present invention.

Referring to FIG. 2A , first, a display module 200 is provided, which has a display surface 200T, an arc-shaped side surface 200S and a rear surface 200B. In some embodiments, the display surface 200T may be a surface of the aforementioned display surface 210T of the display panel 210 . In some embodiments, the arc-shaped side surface 200S may be the arc-shaped surface 220S of the aforementioned arc-shaped structure 220 . In some embodiments, the rear surface 200B may be a surface of the aforementioned backlight module 230 , the frame body 240 or other components.

In some embodiments, at least a portion 300A of the touch sensing film 300 is firstly fixed on the display surface 200T of the display module 200 . Specifically, the part 300A of the touch sensing film 300 and the cover plate 400 are attached with the optical glue A1 , and the part 300A of the display module 200 and the touch sensing film 300 are attached with the optical glue A2 .

Here, the fixing glue G1 is disposed on the rear surface 200B of the display module 200 to facilitate the subsequent adhesion of the touch control sensing film 300 . Of course, this should not limit the scope of the present invention. In other embodiments, the fixing glue G1 may be disposed on the portion 300C of the touch sensing film 300 .

2B , the portion 300B of the touch sensing film 300 is pressed by the roller 900 to bend the portion 300B of the touch sensing film 300 along the curved side surface 200S of the display module 200 . For example, the roller 900 exerts force on the arcuate side surface 200S in the direction N1 and rolls in the direction N2. The direction N1 is perpendicular to the arcuate side surface 200S, and the direction N2 may be parallel to the rear surface 200B, eg, parallel to the aforementioned direction D1 (refer to FIG. 1 ). Here, during the bending process, the curved side surface 200S can keep the touch sensing film 300 pressed in a forward direction (eg, the direction N1 ), so as to avoid scratching the touch electrodes or affecting the electrical performance.

Referring to FIG. 2C , the roller 900 is rolled from the curved side surface 200S of the display module 200 to the rear surface 200B of the display module 200 , so that the part 300C of the touch sensing film 300 is at least partially contacted with the fixing glue G1 , and then fixed on the rear surface 200B of the display module 200 .

Referring to FIG. 2D , so far, the part 300C of the touch sensing film 300 can be flatly attached to the rear surface 200B of the display module 200 to obtain the touch display device 100 .

3 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention. The difference between this embodiment and the embodiment of FIG. 1 is that in this embodiment, the arc structure 220 and the frame body 240 are integrally formed, which can be formed by the same molding process. For example, the arc structure 220 and the frame body 240 are made of the same material and are seamlessly connected. Other details of this implementation manner are generally as described above, and will not be repeated here.

4 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention. The difference between this embodiment and the embodiment of FIG. 1 is that in this embodiment, the touch display device 100 further includes protective layers 710 and 720 . The protective layers 710 and 720 are disposed on the parts of the touch sensing film 300 that are not in contact with the optical glues A1 and A2 . For example, the protective layers 710 and 720 are disposed on two opposite surfaces of the portion 300B of the touch sensing film 300 . The protective layers 710 and 720 may also extend to two opposite surfaces of the portion 300C of the touch sensing film 300 . The material of the protective layers 710 and 720 can be protective ink or other suitable materials, which can be formed by means of deposition, coating and the like. The protective layer 720 can contact the arc-shaped surface 220S of the arc-shaped structure 220 to protect the touch electrodes on the portion 300B of the touch sensing film 300 during a bending process (eg, a process of pressing with a roller). Other details of this implementation manner are generally as described above, and will not be repeated here.

5 is a schematic cross-sectional view of a touch display device according to an embodiment of the present invention. The difference between this embodiment and the embodiment of FIG. 1 is that in this embodiment, the touch display device 100 further includes a pressure sensing layer 800 , and the pressure sensing layer 800 is disposed on the portion 300C of the touch sensing film 300 and the display between the rear surfaces 210B of the panels 210 . In some embodiments, the portion 300C of the touch sensing film 300 and the pressure sensing layer 800 may be used together to sense pressure. Specifically, the size of the pressing channel can be estimated by detecting changes in characteristics (eg, capacitance and resistance) of the touch sensing film 300 and the pressure sensing layer 800 . For example, the pressure sensing layer 800 may include a pressure dielectric layer and an electrode layer, the pressure dielectric layer is sandwiched between the portion 300C and the electrode layer, and the thickness of the pressure dielectric layer changes with the applied pressure. Accordingly, by measuring the capacitance change between the electrode layer and the portion 300C of the touch sensing film 300 , the size of the pressing channel can be estimated. In some embodiments, the fixing glue G1 can connect the pressure sensing layer 800 and the display module 200 . The adhesive G1 can be used as an anti-interference layer to prevent noise from interfering with touch and pressure signals. Other details of this implementation manner are generally as described above, and will not be repeated here.

6 is a schematic top view of a touch sensing film according to an embodiment of the present invention. The touch sensing film 300 of this embodiment includes a single layer of touch electrodes. Specifically, the touch sensing film 300 includes a substrate 310 , a plurality of touch electrodes 322 and traces 330 . The touch electrodes 322 are disposed on the substrate 310 , and the traces 330 respectively connect the touch electrodes 322 to the flexible circuit board 500 . A processing chip (not shown) may be disposed on the flexible circuit board 500 to process touch signals. In some embodiments, the touch electrodes 322 are located at the parts 300A and 300B, so as to realize the touch sensing of the parts 300A and 300B. The wiring 330 is generally located in the portion 300C, and is disposed on the rear surface 210B of the display panel 210 . Therefore, most of the traces 330 are not located in the portion 300A, and do not occupy the front surface of the display panel 210 (eg, the display surface 210T), so that a narrow frame design can be realized. In some embodiments, the touch electrodes 322 extend to the part 300C and are also located in the part 300C, so as to improve the edge sensing effect of the part 300B and make the side touch effect better.

7 is a schematic top view of a touch sensing film according to an embodiment of the present invention. The difference between this embodiment and the embodiment of FIG. 6 is that this embodiment includes touch electrodes 322 and 324 in two axial directions. Specifically, the touch sensing film 300 includes a substrate 310 and a plurality of touch electrodes 322 and 324 disposed on the substrate 310 . As shown in the figure, the touch electrodes 322 are arranged in a first axial direction, and the touch electrodes 324 are arranged in a second axial direction. Specifically, the touch sensing film 300 includes connecting wires 326 , bridging wires 352 and insulating blocks 362 . The connection lines 326 and the touch electrodes 322 and 324 can be formed by patterning the same transparent electrode layer. The connecting lines 326 connect adjacent touch electrodes 324 . The bridge wires 352 connect adjacent touch electrodes 322 . The bridge wires 352 may be formed of transparent or opaque conductive materials. The bridge wires 352 may be composed of metal, such as copper. The insulating block 362 is disposed between the connection wire 326 and the bridge wire 352 and separates the connection wire 326 from the bridge wire 352 so as to electrically isolate the touch electrodes 322 and 324 .

Similarly, in some embodiments, the touch electrodes 322 and 324 may be located at the portion 300A and the portion 300B, and the wiring 330 may be located at the portion 300C and disposed on the rear surface 210B of the display panel 210 . Therefore, most of the traces 330 are not located in the portion 300A, and do not occupy the front surface of the display panel 210 (eg, the display surface 210T), thereby enabling a narrow frame design. In some embodiments, the touch electrodes 322 and 324 are also located in the portion 300C.

8A and 8B are top views of a touch sensing film according to an embodiment of the present invention. The difference between this embodiment and the embodiment of FIG. 6 is that in this embodiment, the touch sensing film 300 includes double layers of touch electrodes. Specifically, the touch sensing film 300 includes the touch electrodes 322 and the touch electrodes 342 , which are respectively disposed on the surface 310A and the surface 310B of the substrate 310 . The touch electrodes 322 and the touch electrodes 322 are respectively connected to conductive lines (not shown) in the peripheral area, and the touch signals are transmitted to the controller for calculation through the conductive lines in the peripheral area, thereby determining the coordinates of the touch position. Although here, the touch electrodes 322 and 342 are disposed on two opposite surfaces of the same substrate 310 , this should not limit the scope of the present invention. In other embodiments, the touch electrodes 322 and 342 may be disposed on different substrates. s surface.

Similarly, in some embodiments, the touch electrodes 322 and 342 are also located in the parts 300A and 300B, and the traces 330 are located in the part 300C and are disposed on the rear surface 210B of the display panel 210 . Therefore, most of the traces 330 are not located in the portion 300A, and do not occupy the front surface of the display panel 210 (eg, the display surface 210T), thereby enabling a narrow frame design. In some embodiments, the touch electrodes 322 and 342 are also located in the portion 300C.

In some of the foregoing embodiments, the substrate 310 is a flexible substrate. In some embodiments, the bendable radius of the substrate 310 may be less than 1 mm, for example, less than 0.5 mm. Specifically, the flexibility of the base material 310 may be higher than that of the cover plate 400 . In some embodiments, the substrate 310 may be formed of a transparent inorganic substrate or a transparent organic substrate, such as glass or plastic, such as a plastic substrate, such as polyethylene terephthalate, polycarbonate, etc. , polyethylene or polymethyl methacrylate, etc. In some embodiments, the material of the substrate 310 may be different from the material of the cover plate 400 .

The above-mentioned touch electrodes 322, 324, 342 can be made of transparent conductive materials, and the transparent conductive materials can be selected from one of the following groups or a combination thereof: indium tin oxide (ITO), antimony tin oxide (ATO), Zinc oxide (ZnO), zinc dioxide (ZnO2), tin dioxide (SnO2), indium trioxide (In2O3). Alternatively, the above-mentioned touch electrodes 322, 324, and 342 may be metal meshes, and the material thereof may be metal, such as silver or copper. In other embodiments, the above-mentioned touch electrodes 322 , 324 , and 342 may include graphene, nanosilver, carbon nanotubes, and the like.

In various embodiments of the present invention, by designing a flexible touch sensing film to wrap around from the display surface to the rear surface of the display panel, the traces of the touch panel can be arranged on the rear surface of the display panel, and non-display surface. Thereby, the design of the narrow frame can be realized. In addition, the display module has an arc-shaped side surface, so that the touch sensing film can be bent along the arc-shaped side surface, reducing the risk of scratches on the touch electrodes, and maintaining its electrical properties to provide side touch.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the principles of the present invention should be included within the protection scope of the present invention.

Claims (12)

1. A touch display device, comprising:

the display module comprises a display panel and an arc-shaped structure, wherein the display panel is provided with a display surface, a rear surface and a side surface, the display surface and the rear surface are oppositely arranged, and the side surface is connected with the display surface and the rear surface; the arc structure is at least arranged on the side surface of the display panel, wherein the arc structure is provided with an arc surface arranged opposite to the display panel; and

and the touch sensing film is arranged on the display surface of the display panel and extends along the arc surface of the arc structure.

2. The touch display device of claim 1, wherein the touch sensing film further extends to the rear surface of the display panel.

3. The touch display device of claim 2, wherein the touch sensing film has a portion disposed on the rear surface of the display panel, the portion of the touch sensing film having a length along a direction that is greater than 2 mm, wherein the display panel and the arc structure are arranged along the direction.

4. The touch display device of claim 2, wherein the touch sensing film has a portion disposed on the rear surface of the display panel, the touch sensing film comprises a plurality of touch electrodes and a plurality of traces respectively connected to the touch electrodes, and the traces are disposed on the portion of the touch sensing film.

5. The touch display device of claim 2, wherein the touch sensing film has a portion disposed on the back surface of the display panel, the touch display device further comprising:

a pressure sensing layer disposed between the portion of the touch sensing film and the back surface of the display panel.

6. The touch display device of claim 1, wherein the display module further comprises:

a frame for carrying the display panel, wherein the arc structure is connected with the frame.

7. The touch display device of claim 6, wherein the arc structure is integrally formed with the frame.

8. The touch display device of claim 1, wherein the display module further comprises:

the backlight module is provided with a light-emitting surface and a side surface, wherein the light-emitting surface is adjacent to the rear surface of the display panel, the side surface of the backlight module is connected with the light-emitting surface of the backlight module, and the arc-shaped structure is further arranged on the side surface of the backlight module.

9. The touch display device of claim 1, wherein the touch sensing film has a first portion disposed on the display surface of the display panel and a second portion disposed on the arc surface of the arc structure, the touch display device further comprising:

a cover plate, wherein the first part is arranged between the display panel and the cover plate; and

a fixing adhesive connecting the second portion of the touch sensing film and the cover plate.

10. The touch display device of claim 9, further comprising:

and the optical colloid is connected with the first part of the touch sensing film and the cover plate, wherein the fixing colloid is connected with the optical colloid.

11. The touch display device of claim 1, further comprising:

the optical colloid is connected with the display surface of the display panel and a first part of the touch sensing film;

a protective layer disposed on a second portion of the touch sensing film.

12. The touch display device of claim 1, further comprising:

a cover plate; and

an optical adhesive connected to a first portion of the touch sensing film and the cover plate,

a protective layer disposed on a second portion of the touch sensing film.

Images