CN107526478A - Touch control display apparatus - Google Patents

Abstract

A kind of touch control display apparatus includes a display module, a touch-control sensing film and an electrostatic protection portion.Display module has a viewing area, and wherein viewing area is located on a upper surface of display module.Touch-control sensing film is covered on viewing area, and extends one of cladding display module side surface.Electrostatic protection portion at least covers the part that touch-control sensing film is located at the side surface of display module, and wherein electrostatic protection portion has a conductive layer, and conductive layer is electrically connected to a lower surface of display module.The touch control display apparatus of this exposure has narrow frame and good reliability.

Description

touch display device

technical field

The disclosure relates to a touch display device, in particular to a touch display device with an electrostatic protection part.

Background technique

With the development of touch display technology, the quality of touch display devices has been continuously improved. As far as a single touch display device is concerned, how to increase the screen utilization rate of the touch display device has always been one of the important issues. For example, mobile phone models with narrow bezel designs are now the mainstream in the market.

However, the frame width of the touch display device depends on the manufacturing process of the conductive circuit, and the current manufacturing process of the conductive circuit, such as printing, laser, yellow light, etc., has reached a bottleneck in the line width and spacing of the fine conductive circuit. Therefore, how to achieve the pursuit of extremely narrow borders under the limit of the existing conductive circuit manufacturing process is actually one of the issues that current research and development personnel want to solve urgently.

Contents of the invention

The disclosure relates to a touch display device with a narrow frame and good reliability.

An embodiment of the present disclosure includes a touch display device. The touch display device includes a display module, a touch sensitive film and an electrostatic protection part. The display module has a visible area, wherein the visible area is located on an upper surface of the display module. The touch sensing film covers the visible area and extends to cover one side surface of the display module. The static protection part at least covers the part of the touch sensitive film on the side surface of the display module, wherein the static protection part has a conductive layer, and the conductive layer is electrically connected to a lower surface of the display module.

In some embodiments of the present disclosure, the above-mentioned display module has a metal frame, and the conductive layer is electrically connected to the metal frame.

In some embodiments of the present disclosure, the above-mentioned touch-sensing film has a first portion and a second portion, the first portion of the touch-sensing film is substantially parallel to the side surface of the display module, and the second portion of the touch-sensing film The second part is located on the lower surface of the display module.

In some embodiments of the present disclosure, the above touch display device further includes a colloid located between the display module and the touch sensing film.

In some embodiments of the present disclosure, the above-mentioned touch display device further includes a light-transmitting plate, wherein the touch-sensing film is located between the display module and the light-transmitting plate.

In some embodiments of the present disclosure, one end of the conductive layer of the electrostatic protection portion contacts the lower surface of the display module, and the other end contacts the light-transmitting plate.

In some embodiments of the present disclosure, the above-mentioned electrostatic protection part is a conductive adhesive tape, and includes an adhesive layer and an insulating layer. The adhesive layer covers the touch sensing film. The conductive layer is located between the touch sensing film and the insulating layer.

In some embodiments of the present disclosure, the thickness of the above-mentioned electrostatic protection part ranges from 25 microns to 250 microns.

In some embodiments of the present disclosure, the aforementioned conductive layer is a metal conductive layer or an organic compound conductive layer.

In some embodiments of the present disclosure, the aforementioned touch-sensing film is a flexible touch-sensing film.

Based on the above, the touch display device of the embodiments of the present disclosure can achieve the pursuit of an extremely narrow frame by folding the touch-sensing film back. Moreover, the touch display device according to the embodiment of the present disclosure can form a static discharge path through the configuration that the conductive layer of the static protection part is electrically connected to the lower surface of the display module, so as to achieve the protection effect of electrostatic discharge, thereby avoiding static electricity. Release (ESD, Electro-Static Discharge) risk. In addition, since the electrostatic protection part covers the touch sensing film, it can also protect the touch sensing film. In this way, with the above configuration, the touch display device of the embodiment of the present disclosure can achieve good reliability under the limitation of the requirement of extremely narrow frame.

Description of drawings

Multiple aspects of this disclosure can be understood by reading the following detailed descriptions together with the corresponding drawings. It should be noted that, in accordance with the standard practice in the industry, various features are not drawn to scale. In fact, the dimensions of the various features may be arbitrarily increased or decreased for clarity of discussion.

FIG. 1 is a schematic diagram of a touch display device according to an embodiment of the disclosure.

FIG. 2 is a partially enlarged schematic view of the electrostatic protection part in FIG. 1 .

FIG. 3 is a schematic diagram of a touch display device according to another embodiment of the disclosure.

Reference signs:

100, 200: touch display device

110: transparent board

120: shading component

130, 230: touch sensitive film

131: Part One

132: Part Two

140: colloid

150: display module

151: metal frame

160: Static Protection Department

161: Adhesive layer

163: conductive layer

165: insulating layer

VA: Viewable area

US: upper surface

SS: side surface

LS: lower surface

detailed description

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is a schematic diagram of a touch display device 100 according to an embodiment of the present disclosure, and FIG. 2 is a partially enlarged schematic diagram of the electrostatic protection portion 160 in FIG. 1 . As shown in FIG. 1 , the touch display device 100 of this embodiment includes a light-transmitting plate 110 , a light-shielding component 120 , a touch-sensing film 130 , an adhesive 140 , a display module 150 and an electrostatic protection part 160 . In this embodiment, the light-transmitting plate 110 is, for example, a glass cover, the light-shielding component 120 includes an opaque insulating material, such as an ink, and the glue 140 is, for example, an optical glue, but the disclosure is not limited thereto.

Specifically, as shown in FIG. 1 , in this embodiment, the touch-sensitive film 130 is located between the display module 150 and the light-transmitting plate 110 , and the glue 140 is located between the display module 150 and the touch-sensitive film 130 , for bonding the display module 150 and the touch sensing film 130 . As shown in FIG. 1 , in this embodiment, the display module 150 has a visible area VA, wherein the visible area VA is located on an upper surface US of the display module 150 . For example, in this embodiment, the boundary of the visible area VA can be defined by the light shielding component 120 . As shown in FIG. 1 , in this embodiment, the shading component 120 defines the boundary of the viewable area VA in such a way that the inner edge of the shading component 120 is adjacent to the edge of the viewable area VA.

As shown in FIG. 1 , in this embodiment, the touch-sensing film 130 is a flexible touch-sensing film that can cover the visible area VA and extend to cover one side surface SS of the display module 150 . For example, in this embodiment, the touch sensing film 130 has a first portion 131 and a second portion 132, the first portion 131 of the touch sensing film 130 is substantially parallel to the side surface SS of the display module 150, and The second portion 132 of the touch sensing film 130 is located on the lower surface LS of the display module 150 .

Specifically, as shown in FIG. 1 , the touch-sensitive film 130 extends from the upper surface US of the display module 150 in a direction away from the display module 150 and then bends downward to form the first part 131 of the touch-sensitive film 130 . Afterwards, the touch-sensing film 130 extends along the side surface SS of the display module 150 and is bent toward the direction close to the lower surface LS of the display module 150 to form the second portion 132 of the touch-sensing film 130 . In other words, in this embodiment, the touch sensing film 130 not only extends to cover the side surface SS of the display module 150 , but also extends to the lower surface LS of the display module 150 . However, the present disclosure is not limited thereto. In other embodiments, the touch sensing film 130 may only cover the side surface SS of the display module 150 without covering the lower surface LS of the display module 150 .

In this way, the touch display device 100 of this embodiment can reduce the width of the conductive lines on the edge of the touch-sensing film 130 by refolding the touch-sensing film 130 , thereby reducing the visible area VA and light transmission. The distance between the edges of the board 110 is required so as to achieve the pursuit of an extremely narrow frame.

On the other hand, as shown in FIG. 1 and FIG. 2 , in this embodiment, the static electricity protection portion 160 at least covers the portion of the touch sensing film 130 located on the side surface SS of the display module 150 . For example, in this embodiment, the static electricity protection part 160 covers the first part 131 and the second part 132 of the touch sensing film 130 . For example, in this embodiment, the thickness of the electrostatic protection portion 160 ranges from 25 microns to 250 microns. It should be noted that the ranges of the above parameters are only for illustration, and are not intended to limit the present disclosure.

Further, as shown in FIG. 2 , in this embodiment, the static electricity protection part 160 is a conductive adhesive tape, and includes an adhesive layer 161 , a conductive layer 163 and an insulating layer 165 . The adhesive layer 161 covers the touch sensing film 130 , and the conductive layer 163 is located between the touch sensing film 130 and the insulating layer 165 , wherein one end of the conductive layer 163 contacts the lower surface LS of the display module 150 , and the other end contacts the transparent plate 110 . In this embodiment, the conductive layer 163 is, for example, a metal conductive layer or an organic compound conductive layer, but the disclosure is not limited thereto.

Further, as shown in FIG. 1 and FIG. 2 , in this embodiment, the conductive layer 163 is electrically connected to the lower surface LS of the display module 150 . For example, as shown in FIG. 1 and FIG. 2 , the display module 150 has a metal frame 151 , and the conductive layer 163 is electrically connected to the metal frame 151 of the display module 150 . In this way, the conductive layer 163 of the electrostatic protection part 160 and the metal frame 151 of the display module 150 can form an electrostatic discharge path to achieve the protection effect of electrostatic discharge, thereby avoiding the risk of electrostatic discharge. In addition, since the electrostatic protection part 160 covers the touch sensing film 130 , it can also protect the touch sensing film 130 . In this way, with the above-mentioned configuration, the touch display device 100 can achieve good reliability under the limitation of achieving extremely narrow borders.

FIG. 3 is a schematic diagram of a touch display device 200 according to another embodiment of the disclosure. Please refer to FIG. 3 , the touch display device 200 in FIG. 3 is similar to the touch display device 100 in FIG. 1 , and the differences are as follows. As shown in FIG. 3 , in this embodiment, the touch-sensing film 230 extends from above the display module 150 in a direction away from the display module 150 and then bends downward, covering only the side surface of the display module 150 SS, but not covering the lower surface LS of the display module 150 .

In this embodiment, the touch display device 100 can still reduce the width of the conductive lines on the edge of the touch-sensing film 230 by folding the touch-sensing film 230 back, thereby reducing the visible area VA and light transmission. The distance between the edges of the board 110 is required so as to achieve the pursuit of an extremely narrow frame.

Moreover, as shown in FIG. 3 , the touch display device 100 of this embodiment can also be electrically connected to the configuration of the lower surface LS of the display module 150 through the conductive layer 163 of the electrostatic protection portion 160 , so as to form a discharge of static electricity. Path to achieve the protective effect of electrostatic discharge, thereby avoiding the risk of electrostatic discharge. In addition, since the electrostatic protection part 160 also covers the touch sensing film 230 , it can also protect the touch sensing film 230 . In this way, with the above configuration, the touch display device 100 of the embodiment of the present disclosure can also achieve good reliability under the limitation of achieving extremely narrow borders.

To sum up, the touch display device of the embodiments of the present disclosure can achieve the pursuit of extremely narrow borders by folding the touch-sensing film back. Moreover, the touch display device according to the embodiment of the present disclosure can form a static discharge path through the configuration that the conductive layer of the static protection part is electrically connected to the lower surface of the display module, so as to achieve the protection effect of electrostatic discharge, thereby avoiding static electricity. release risk. In addition, since the electrostatic protection part covers the touch sensing film, it can also protect the touch sensing film. In this way, with the above configuration, the touch display device of the embodiment of the present disclosure can achieve good reliability under the limitation of the requirement of extremely narrow frame.

Claims (10)

1. a kind of touch control display apparatus, it is characterised in that include：

One display module, has a viewing area, and the wherein viewing area is located on a upper surface of the display module；

One touch-control sensing film, is covered on the viewing area, and extends and coat one of display module side surface；And

One electrostatic protection portion, the part that the touch-control sensing film is located at the side surface of the display module is at least covered, wherein should Electrostatic protection portion has a conductive layer, and the conductive layer is electrically connected to a lower surface of the display module.

2. touch control display apparatus as claimed in claim 1, it is characterised in that the display module has a metal frame, and this is led Electric layer is electrically connected to the metal frame.

3. touch control display apparatus as claimed in claim 1, it is characterised in that the touch-control sensing film have a Part I with One Part II, the Part I of the touch-control sensing film and the side surface of the display module are substantial parallel, and this is touched The Part II of control sensor film is located on the lower surface of the display module.

4. touch control display apparatus as claimed in claim 1, it is characterised in that further include colloid, positioned at the display module with Between the touch-control sensing film.

5. touch control display apparatus as claimed in claim 1, it is characterised in that further include a light-passing board, wherein the touch-control sensing Film is located between the display module and the light-passing board.

6. touch control display apparatus as claimed in claim 5 a, it is characterised in that termination of the conductive layer in the electrostatic protection portion Touch the lower surface of the display module, another end in contact light-passing board.

7. touch control display apparatus as claimed in claim 1, it is characterised in that the electrostatic protection portion is a conductive tape, and is wrapped Contain：

One glue-line, cover the touch-control sensing film；And

One insulating barrier, the wherein conductive layer are located between the touch-control sensing film and the insulating barrier.

8. touch control display apparatus as claimed in claim 7, it is characterised in that the thickness range in the electrostatic protection portion is micro- between 25 Rice is between 250 microns.

9. touch control display apparatus as claimed in claim 1, it is characterised in that the conductive layer is metal conductor layer or organic compound Thing conductor layer.

10. touch control display apparatus as claimed in claim 1, it is characterised in that the touch-control sensing film is flexible touch-control sense Answer film.